diff --git a/.editorconfig b/.editorconfig
index 6e87a003d..510fa8f6d 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,4 +1,8 @@
+<<<<<<< HEAD
+# Editor configuration, see https://editorconfig.org
+=======
 # Editor configuration, see http://editorconfig.org
+>>>>>>> 931316b1596d118e9d78dcb00fc326c6e4d3166c
 root = true
 
 [*]
@@ -8,6 +12,12 @@ indent_size = 2
 insert_final_newline = true
 trim_trailing_whitespace = true
 
+<<<<<<< HEAD
+[*.ts]
+quote_type = single
+
+=======
+>>>>>>> 931316b1596d118e9d78dcb00fc326c6e4d3166c
 [*.md]
 max_line_length = off
 trim_trailing_whitespace = false
diff --git a/.gitignore b/.gitignore
index 207803cb0..9ca5e0b4e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,10 +4,22 @@
 /dist
 /tmp
 /out-tsc
+<<<<<<< HEAD
+# Only exists if Bazel was run
+/bazel-out
+
+# dependencies
+/node_modules
+
+# profiling files
+chrome-profiler-events*.json
+speed-measure-plugin*.json
+=======
 
 # dependencies
 /node_modules
 yarn.lock
+>>>>>>> 931316b1596d118e9d78dcb00fc326c6e4d3166c
 
 # IDEs and editors
 /.idea
@@ -24,11 +36,26 @@ yarn.lock
 !.vscode/tasks.json
 !.vscode/launch.json
 !.vscode/extensions.json
+<<<<<<< HEAD
+.history/*
+=======
+>>>>>>> 931316b1596d118e9d78dcb00fc326c6e4d3166c
 
 # misc
 /.sass-cache
 /connect.lock
 /coverage
+<<<<<<< HEAD
+/libpeerconnection.log
+npm-debug.log
+yarn-error.log
+testem.log
+/typings
+
+# System Files
+.DS_Store
+Thumbs.db
+=======
 /typings
 .firebase
 *.log
@@ -47,3 +74,4 @@ yarn.lock
 ehthumbs.db
 Thumbs.db
 
+>>>>>>> 931316b1596d118e9d78dcb00fc326c6e4d3166c
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 000000000..fa1ceff3c
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,914 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="BranchesTreeState">
+    <expand>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="LOCAL_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:origin" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:origin" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:dependabot" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="REMOTE_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:origin" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:dependabot" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="GROUP_NODE:npm_and_yarn" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+    </expand>
+    <select>
+      <path>
+        <item name="ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="LOCAL_ROOT" type="e8cecc67:BranchNodeDescriptor" />
+        <item name="BRANCH:master" type="e8cecc67:BranchNodeDescriptor" />
+      </path>
+    </select>
+  </component>
+  <component name="ChangeListManager">
+    <list default="true" id="f870ac63-bdf8-4e90-84e3-a6fdd1762d1a" name="Default Changelist" comment="testing upload of quiz to GH">
+      <change afterPath="$PROJECT_DIR$/../../../../../.editorconfig" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/../../../../../.nvmrc" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../.prettierignore" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../.prettierrc" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/../../../../../../old quiz backup/app.component.css" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../old quiz backup/app.component.html" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../old quiz backup/app.component.scss" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../old quiz backup/app.component.spec.ts" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app.component.scss" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app.component.ts" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app/containers/scoreboard/scoreboard.component.ts" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app/containers/scoreboard/time/time.component.scss" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app/containers/scoreboard/time/time.component.ts" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app/index.ts" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app/routing/quiz-routing.module.ts" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/../../../../../../src/app/tsconfig.app.json" afterDir="false" />
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+      <change afterPath="$PROJECT_DIR$/../../../../../../src/assets/alarm-clock.ttf" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/assets/audio/sound-correct.mp3" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/assets/audio/sound-incorrect.mp3" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/assets/quiz.ts" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/index.ts" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/../../../../../../src/styles.scss" afterDir="false" />
+    </list>
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
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+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/../../../../../.." />
+  </component>
+  <component name="ProjectId" id="1d0UXRRGqzRlTKvIgfaOyLFOxXL" />
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+    <property name="TERMINAL_CUSTOM_COMMANDS_GOT_IT" value="true" />
+    <property name="WebServerToolWindowFactoryState" value="false" />
+    <property name="aspect.path.notification.shown" value="true" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="nodejs_package_manager_path" value="npm" />
+    <property name="project.structure.last.edited" value="Project" />
+    <property name="project.structure.proportion" value="0.0" />
+    <property name="project.structure.side.proportion" value="0.0" />
+    <property name="ts.external.directory.path" value="C:\Program Files\JetBrains\IntelliJ IDEA 2020.1.2\plugins\JavaScriptLanguage\jsLanguageServicesImpl\external" />
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="f870ac63-bdf8-4e90-84e3-a6fdd1762d1a" name="Default Changelist" comment="" />
+      <created>1591561543202</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1591561543202</updated>
+      <workItem from="1591561545209" duration="1279000" />
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+    </task>
+    <task id="LOCAL-00001" summary="testing upload of quiz to GH">
+      <created>1591562148848</created>
+      <option name="number" value="00001" />
+      <option name="presentableId" value="LOCAL-00001" />
+      <option name="project" value="LOCAL" />
+      <updated>1591562148848</updated>
+    </task>
+    <option name="localTasksCounter" value="2" />
+    <servers />
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="2" />
+  </component>
+  <component name="Vcs.Log.Tabs.Properties">
+    <option name="TAB_STATES">
+      <map>
+        <entry key="MAIN">
+          <value>
+            <State>
+              <option name="FILTERS">
+                <map>
+                  <entry key="branch">
+                    <value>
+                      <list>
+                        <option value="master" />
+                      </list>
+                    </value>
+                  </entry>
+                </map>
+              </option>
+            </State>
+          </value>
+        </entry>
+      </map>
+    </option>
+    <option name="oldMeFiltersMigrated" value="true" />
+  </component>
+  <component name="VcsManagerConfiguration">
+    <MESSAGE value="testing upload of quiz to GH" />
+    <option name="LAST_COMMIT_MESSAGE" value="testing upload of quiz to GH" />
+  </component>
+  <component name="WindowStateProjectService">
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+      <screen x="0" y="0" width="1217" height="720" />
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+    </state>
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+    </state>
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+      <screen x="0" y="0" width="1280" height="680" />
+    </state>
+    <state x="303" y="1" width="672" height="678" key="search.everywhere.popup/0.0.1280.680@0.0.1280.680" timestamp="1591645701301" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index b60b76b42..d20667351 100644
--- a/README.md
+++ b/README.md
@@ -1,49 +1,27 @@
-[![Join our Slack, #codelab channel](https://img.shields.io/badge/slack-%23codelab-yellowgreen)](https://nycjsorg.now.sh) [![Check out the demo](https://img.shields.io/badge/see%20the-Demo-brightgreen)](https://codelab.fun)
+# Quiz
 
-# Angular Codelab - [codelab.fun](https://codelab.fun)
+This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 9.1.7.
 
-Angular Codelab is a self-paced interactive Angular course:
+## Development server
 
-<img alt="interactive exercises" src="https://user-images.githubusercontent.com/2545357/66274607-4d17a880-e84e-11e9-8ed0-a1ae678988a5.gif"  width="600">
- 
-- 🔥 Everything in the browser - **no setup needed**
-- 🔥 **Interactive code samples** - Change the code and see the result immediately!
-- 🔥 Hands-on **Exercises** to solidify your knowledge
-- 🔥 **Free** - Made for Angular enthusiasts by Angular enthusiasts  
-- 🔥 Written in Angular and **open source**
+Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The app will automatically reload if you change any of the source files.
 
-Try it out yourself at [codelab.fun](https://codelab.fun)
+## Code scaffolding
 
-## Help us make Codelab.fun better
+Run `ng generate component component-name` to generate a new component. You can also use `ng generate directive|pipe|service|class|guard|interface|enum|module`.
 
-- [Contribute to the codebase](#contribute-to-the-codebase)
-- [Host a live Angular Codelab event in your city](#host-a-live-angular-codelab-event-in-your-city)
-- [Translate Codelab to your language](#translate-codelab-to-your-language)
+## Build
 
-### Contribute to the codebase
+Run `ng build` to build the project. The build artifacts will be stored in the `dist/` directory. Use the `--prod` flag for a production build.
 
-Codelab.fun is an Angular app!
+## Running unit tests
 
-It uses [angular-cli](https://cli.angular.io/) with [nx](https://nx.dev) and all materials are in a form of Angular components.
+Run `ng test` to execute the unit tests via [Karma](https://karma-runner.github.io).
 
-![image](https://user-images.githubusercontent.com/2545357/66277059-0edab300-e867-11e9-863e-340e6d888ea5.png)
+## Running end-to-end tests
 
-See what [Good first issues](https://github.com/codelab-fun/codelab/issues?q=is%3Aissue+is%3Aopen+label%3Agood-first-issue) are available.
+Run `ng e2e` to execute the end-to-end tests via [Protractor](http://www.protractortest.org/).
 
-See [CONTRIBUTING.md](./docs/CONTRIBUTING.md) for detailed instructions.
+## Further help
 
-### Host a live Angular Codelab event in your city
-
-We have hosted multiple live codelab events in 10+ cities, and you can help us host one in yours!
-
-See how in [HOSTING.md](./docs/HOSTING.md)
-
-<img alt="People learning angular" src="https://user-images.githubusercontent.com/2545357/66275179-1fcdf900-e854-11e9-8c44-69e4368ba6c1.png"  width="600">
-
-### Translate Codelab to your language
-
-Currently codelab.fun is availble in English and Russian.
-
-See [TRANSLATING.md](./docs/TRANSLATING.md) for how you can help us translate the codelab into your language.
-
-Thanks to amazing [PoEditor](https://poeditor.com) for providing us with an open source licence
+To get more help on the Angular CLI use `ng help` or go check out the [Angular CLI README](https://github.com/angular/angular-cli/blob/master/README.md).
diff --git a/angular.json b/angular.json
index 55c146558..051c50d0a 100644
--- a/angular.json
+++ b/angular.json
@@ -1,778 +1,43 @@
 {
   "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
   "version": 1,
-  "newProjectRoot": "",
+  "newProjectRoot": "projects",
   "projects": {
-    "codelab": {
-      "root": "apps/codelab",
-      "sourceRoot": "apps/codelab/src",
+    "quiz": {
       "projectType": "application",
-      "architect": {
-        "build": {
-          "builder": "@angular-builders/custom-webpack:browser",
-          "options": {
-            "customWebpackConfig": {
-              "path": "apps/codelab/extra-webpack.config.js"
-            },
-            "outputPath": "dist/apps/codelab",
-            "index": "apps/codelab/src/index.html",
-            "main": "apps/codelab/src/main.ts",
-            "tsConfig": "apps/codelab/tsconfig.app.json",
-            "polyfills": "apps/codelab/src/polyfills.ts",
-            "aot": true,
-            "assets": [
-              "apps/codelab/src/assets",
-              "apps/codelab/src/favicon.ico",
-              "apps/codelab/src/manifest.webmanifest",
-              {
-                "glob": "**/*",
-                "input": "node_modules/monaco-editor/",
-                "output": "./assets/monaco/"
-              },
-              {
-                "glob": "**/*",
-                "input": "libs/intro/assets/",
-                "output": "./assets/intro/"
-              },
-              {
-                "glob": "**/*",
-                "input": "libs/code-demos/assets/runner/",
-                "output": "./assets/runner/"
-              }
-            ],
-            "styles": ["apps/codelab/src/styles.scss"],
-            "scripts": []
-          },
-          "configurations": {
-            "ru": {
-              "optimization": true,
-              "outputHashing": "all",
-              "sourceMap": false,
-              "extractCss": true,
-              "namedChunks": true,
-              "aot": true,
-              "extractLicenses": true,
-              "vendorChunk": false,
-              "buildOptimizer": true,
-              "baseHref": "/ru/",
-              "deployUrl": "/ru/",
-              "fileReplacements": [
-                {
-                  "replace": "apps/codelab/src/environments/environment.ts",
-                  "with": "apps/codelab/src/environments/environment.prod.ts"
-                }
-              ],
-              "outputPath": "dist/apps/codelab/ru",
-              "i18nFile": "apps/codelab/src/locale/codelab.ru.xtb",
-              "i18nFormat": "xtb",
-              "i18nLocale": "ru"
-            },
-            "production": {
-              "optimization": true,
-              "outputHashing": "all",
-              "sourceMap": false,
-              "extractCss": true,
-              "namedChunks": false,
-              "aot": true,
-              "extractLicenses": true,
-              "vendorChunk": false,
-              "buildOptimizer": true,
-              "fileReplacements": [
-                {
-                  "replace": "apps/codelab/src/environments/environment.ts",
-                  "with": "apps/codelab/src/environments/environment.prod.ts"
-                }
-              ],
-              "serviceWorker": false
-            }
-          }
-        },
-        "serve": {
-          "builder": "@angular-builders/custom-webpack:dev-server",
-          "options": {
-            "browserTarget": "codelab:build"
-          },
-          "configurations": {
-            "production": {
-              "browserTarget": "codelab:build:production"
-            },
-            "ru": {
-              "browserTarget": "codelab:build:ru"
-            }
-          }
-        },
-        "extract-i18n": {
-          "builder": "@angular-devkit/build-angular:extract-i18n",
-          "options": {
-            "browserTarget": "codelab:build"
-          }
-        },
-        "test": {
-          "builder": "@angular-devkit/build-angular:karma",
-          "options": {
-            "main": "apps/codelab/src/test.ts",
-            "karmaConfig": "apps/codelab/karma.conf.js",
-            "polyfills": "apps/codelab/src/polyfills.ts",
-            "tsConfig": "apps/codelab/tsconfig.spec.json",
-            "scripts": [],
-            "styles": ["apps/codelab/src/styles.scss"],
-            "assets": [
-              "apps/codelab/src/assets",
-              "apps/codelab/src/favicon.ico",
-              "apps/codelab/src/manifest.webmanifest"
-            ]
-          }
-        },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "apps/codelab/tsconfig.app.json",
-              "apps/codelab/tsconfig.spec.json"
-            ],
-            "exclude": []
-          }
-        }
-      }
-    },
-    "browser": {
-      "root": "libs/browser",
-      "sourceRoot": "libs/browser/src",
-      "projectType": "library",
-      "prefix": "codelab",
-      "architect": {
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "libs/browser/tsconfig.lib.json",
-              "libs/browser/tsconfig.spec.json"
-            ],
-            "exclude": ["**/node_modules/**"]
-          }
-        }
-      }
-    },
-    "console": {
-      "root": "libs/console",
-      "sourceRoot": "libs/console/src",
-      "projectType": "library",
-      "prefix": "codelab",
-      "architect": {
-        "test": {
-          "builder": "@angular-devkit/build-angular:karma",
-          "options": {
-            "main": "libs/console/src/test.ts",
-            "tsConfig": "libs/console/tsconfig.spec.json",
-            "karmaConfig": "libs/console/karma.conf.js"
-          }
-        },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "libs/console/tsconfig.lib.json",
-              "libs/console/tsconfig.spec.json"
-            ],
-            "exclude": ["**/node_modules/**"]
-          }
-        }
-      }
-    },
-    "utils": {
-      "root": "libs/utils",
-      "sourceRoot": "libs/utils/src",
-      "projectType": "library",
-      "prefix": "codelab",
-      "architect": {
-        "test": {
-          "builder": "@angular-devkit/build-angular:karma",
-          "options": {
-            "main": "libs/utils/src/test.ts",
-            "tsConfig": "libs/utils/tsconfig.spec.json",
-            "karmaConfig": "libs/utils/karma.conf.js"
-          }
-        },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "libs/utils/tsconfig.lib.json",
-              "libs/utils/tsconfig.spec.json"
-            ],
-            "exclude": ["**/node_modules/**"]
-          }
-        }
-      }
-    },
-    "kirjs": {
-      "root": "apps/kirjs/",
-      "sourceRoot": "apps/kirjs/src",
-      "projectType": "application",
-      "prefix": "kirjs",
-      "schematics": {},
-      "architect": {
-        "build": {
-          "builder": "@angular-devkit/build-angular:browser",
-          "options": {
-            "aot": true,
-            "outputPath": "dist/apps/kirjs",
-            "index": "apps/kirjs/src/index.html",
-            "main": "apps/kirjs/src/main.ts",
-            "polyfills": "apps/kirjs/src/polyfills.ts",
-            "tsConfig": "apps/kirjs/tsconfig.app.json",
-            "assets": [
-              {
-                "glob": "**/*",
-                "input": "node_modules/monaco-editor/",
-                "output": "./assets/monaco/"
-              },
-              "apps/kirjs/src/favicon.ico",
-              "apps/kirjs/src/assets",
-              {
-                "glob": "**/*",
-                "input": "libs/code-demos/assets/runner/",
-                "output": "./assets/runner/"
-              }
-            ],
-            "styles": ["apps/kirjs/src/styles.css"],
-            "scripts": []
-          },
-          "configurations": {
-            "ru": {
-              "outputPath": "dist/apps/kirjs/ru",
-              "aot": true,
-              "i18nFile": "apps/kirjs/src/locale/kirjs.ru.xtb",
-              "i18nFormat": "xtb",
-              "i18nLocale": "ru"
-            },
-            "production": {
-              "fileReplacements": [
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@@ -780,7 +45,6 @@
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-            "tsConfig": [
-              "libs/firebase/tsconfig.lib.json",
-              "libs/firebase/tsconfig.spec.json"
+            "styles": [
+              "src/styles.scss"
             ],
-            "exclude": ["**/node_modules/**", "!libs/firebase/**"]
+            "scripts": []
           }
         },
-        "test": {
-          "builder": "@nrwl/jest:jest",
-          "options": {
-            "jestConfig": "libs/firebase/jest.config.js",
-            "tsConfig": "libs/firebase/tsconfig.spec.json",
-            "setupFile": "libs/firebase/src/test-setup.ts"
-          }
-        }
-      },
-      "schematics": {}
-    },
-    "intro": {
-      "projectType": "library",
-      "root": "libs/intro",
-      "sourceRoot": "libs/intro/src",
-      "prefix": "codelab",
-      "architect": {
         "lint": {
           "builder": "@angular-devkit/build-angular:tslint",
           "options": {
             "tsConfig": [
-              "libs/intro/tsconfig.lib.json",
-              "libs/intro/tsconfig.spec.json"
+              "tsconfig.app.json",
+              "tsconfig.spec.json",
+              "e2e/tsconfig.json"
             ],
-            "exclude": ["**/node_modules/**", "!libs/intro/**"]
+            "exclude": [
+              "**/node_modules/**"
+            ]
           }
         },
-        "test": {
-          "builder": "@nrwl/jest:jest",
+        "e2e": {
+          "builder": "@angular-devkit/build-angular:protractor",
           "options": {
-            "jestConfig": "libs/intro/jest.config.js",
-            "tsConfig": "libs/intro/tsconfig.spec.json",
-            "setupFile": "libs/intro/src/test-setup.ts"
-          }
-        }
-      },
-      "schematics": {}
-    },
-    "slides": {
-      "projectType": "library",
-      "root": "libs/slides",
-      "sourceRoot": "libs/slides/src",
-      "prefix": "codelab",
-      "architect": {
-        "build": {
-          "builder": "@nrwl/angular:package",
-          "options": {
-            "tsConfig": "libs/slides/tsconfig.lib.json",
-            "project": "libs/slides/ng-package.json"
+            "protractorConfig": "e2e/protractor.conf.js",
+            "devServerTarget": "quiz:serve"
           },
           "configurations": {
             "production": {
-              "tsConfig": "libs/slides/tsconfig.lib.prod.json"
+              "devServerTarget": "quiz:serve:production"
             }
           }
-        },
-        "lint": {
-          "builder": "@angular-devkit/build-angular:tslint",
-          "options": {
-            "tsConfig": [
-              "libs/slides/tsconfig.lib.json",
-              "libs/slides/tsconfig.spec.json"
-            ],
-            "exclude": ["**/node_modules/**", "!libs/slides/**"]
-          }
-        },
-        "test": {
-          "builder": "@nrwl/jest:jest",
-          "options": {
-            "jestConfig": "libs/slides/jest.config.js",
-            "tsConfig": "libs/slides/tsconfig.spec.json",
-            "setupFile": "libs/slides/src/test-setup.ts"
-          }
         }
-      },
-      "schematics": {}
-    }
-  },
-  "defaultProject": "codelab",
-  "schematics": {
-    "@schematics/angular:component": {
-      "prefix": "slides",
-      "style": "css"
-    },
-    "@schematics/angular:directive": {
-      "prefix": "slides"
-    },
-    "@nrwl/schematics:library": {
-      "unitTestRunner": "karma",
-      "framework": "angular"
-    },
-    "@nrwl/schematics:application": {
-      "unitTestRunner": "karma",
-      "e2eTestRunner": "protractor"
-    },
-    "@nrwl/schematics:node-application": {
-      "framework": "express"
-    },
-    "@nrwl/angular:application": {
-      "unitTestRunner": "jest",
-      "e2eTestRunner": "cypress"
-    },
-    "@nrwl/angular:library": {
-      "unitTestRunner": "jest"
-    }
-  },
-  "cli": {
-    "defaultCollection": "@nrwl/angular",
-    "analytics": "2d33a6dc-15e8-4227-b14e-dedd96805cec"
-  }
+      }
+    }},
+  "defaultProject": "quiz"
 }
diff --git a/animations/animations.ts b/animations/animations.ts
new file mode 100644
index 000000000..4e1d74915
--- /dev/null
+++ b/animations/animations.ts
@@ -0,0 +1,24 @@
+import { animate, keyframes, style, transition, trigger } from '@angular/animations';
+
+/************** animation utilized in QuizSelectionComponent *********************/
+export const SlideLeftToRightAnimation = {
+  slideLeftToRight: trigger('slideLeftToRight', [
+    transition(':enter', [
+      style({transform: 'translateX(-100%)'}),
+      animate('500ms ease-in', style({transform: 'translateX(0%)'}))
+    ])
+  ])
+};
+
+/************** animation utilized in QuizComponent *********************/
+export const ChangeRouteAnimation = {
+  changeRoute: trigger('changeRoute', [
+    transition('* => animationStarted', [
+      animate('1s', keyframes([
+        style({transform: 'scale(1.0)'}),
+        style({transform: 'scale(1.3)'}),
+        style({transform: 'scale(1.0)'})
+      ]))
+    ]),
+  ])
+};
diff --git a/animations/index.ts b/animations/index.ts
new file mode 100644
index 000000000..5fbd24ec7
--- /dev/null
+++ b/animations/index.ts
@@ -0,0 +1,2 @@
+export * from './animations';
+
diff --git a/apps/kirjs/src/app/modules/gomoku/renlib/I7.lib b/apps/kirjs/src/app/modules/gomoku/renlib/I7.lib
old mode 100755
new mode 100644
diff --git a/apps/playground/src/app/app.module.ts b/apps/playground/src/app/app.module.ts
index ab8fda53c..6fb2f9130 100644
--- a/apps/playground/src/app/app.module.ts
+++ b/apps/playground/src/app/app.module.ts
@@ -5,10 +5,17 @@ import { AppComponent } from './app.component';
 import { RouterModule } from '@angular/router';
 import { monacoReady } from '@codelab/code-demos';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { HttpClientModule } from '@angular/common/http';
 import { environment } from '../environments/environment';
 import { AngularFireModule } from '@angular/fire';
 import { AngularFireDatabaseModule } from '@angular/fire/database';
 import { AngularFireAuthModule } from '@angular/fire/auth';
+import { MatGridListModule } from '@angular/material/grid-list';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatTooltipModule } from '@angular/material/tooltip';
+
 
 const routes = [
   {
@@ -25,6 +32,11 @@ const routes = [
     path: 'code-sync',
     loadChildren: () =>
       import('./code-sync/code-sync.module').then(m => m.CodeSyncModule)
+  },
+  {
+    path: 'quiz',
+    loadChildren: () =>
+      import('./quiz/routing/quiz-routing.module').then(m => m.QuizRoutingModule)
   }
 ];
 
@@ -38,9 +50,15 @@ export const AngularFireApp = AngularFireModule.initializeApp(
     BrowserModule,
     BrowserAnimationsModule,
     RouterModule.forRoot(routes, { initialNavigation: 'enabled' }),
+    HttpClientModule,
     AngularFireApp,
     AngularFireDatabaseModule,
-    AngularFireAuthModule
+    AngularFireAuthModule,
+    MatGridListModule,
+    MatMenuModule,
+    MatProgressSpinnerModule,
+    MatToolbarModule,
+    MatTooltipModule
   ],
   providers: [
     {
diff --git a/apps/playground/src/app/quiz b/apps/playground/src/app/quiz
new file mode 160000
index 000000000..84aaf6b30
--- /dev/null
+++ b/apps/playground/src/app/quiz
@@ -0,0 +1 @@
+Subproject commit 84aaf6b3020aeac43c9db40f2bebfb757308ed55
diff --git a/apps/playground/src/assets/audio/sound-correct.mp3 b/apps/playground/src/assets/audio/sound-correct.mp3
new file mode 100644
index 000000000..074d27a0b
Binary files /dev/null and b/apps/playground/src/assets/audio/sound-correct.mp3 differ
diff --git a/apps/playground/src/assets/audio/sound-incorrect.mp3 b/apps/playground/src/assets/audio/sound-incorrect.mp3
new file mode 100644
index 000000000..3d9a1e866
Binary files /dev/null and b/apps/playground/src/assets/audio/sound-incorrect.mp3 differ
diff --git a/apps/playground/src/assets/fonts/DjbUpOnTheScoreboard.ttf b/apps/playground/src/assets/fonts/DjbUpOnTheScoreboard.ttf
new file mode 100644
index 000000000..ded21514c
Binary files /dev/null and b/apps/playground/src/assets/fonts/DjbUpOnTheScoreboard.ttf differ
diff --git a/apps/playground/src/assets/fonts/LucidaUnicodeCalligraphy.ttf b/apps/playground/src/assets/fonts/LucidaUnicodeCalligraphy.ttf
new file mode 100644
index 000000000..c716b2b15
Binary files /dev/null and b/apps/playground/src/assets/fonts/LucidaUnicodeCalligraphy.ttf differ
diff --git a/apps/playground/src/assets/images/DIDiagram.png b/apps/playground/src/assets/images/DIDiagram.png
new file mode 100644
index 000000000..8aab83cbc
Binary files /dev/null and b/apps/playground/src/assets/images/DIDiagram.png differ
diff --git a/apps/playground/src/assets/images/angular-cli.png b/apps/playground/src/assets/images/angular-cli.png
new file mode 100644
index 000000000..93e20291d
Binary files /dev/null and b/apps/playground/src/assets/images/angular-cli.png differ
diff --git a/apps/playground/src/assets/images/angular.png b/apps/playground/src/assets/images/angular.png
new file mode 100644
index 000000000..6c115fba8
Binary files /dev/null and b/apps/playground/src/assets/images/angular.png differ
diff --git a/apps/playground/src/assets/images/angular.svg b/apps/playground/src/assets/images/angular.svg
new file mode 100644
index 000000000..bf081acb1
--- /dev/null
+++ b/apps/playground/src/assets/images/angular.svg
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 250 250" style="enable-background:new 0 0 250 250;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#DD0031;}
+	.st1{fill:#C3002F;}
+	.st2{fill:#FFFFFF;}
+</style>
+<g>
+	<polygon class="st0" points="125,30 125,30 125,30 31.9,63.2 46.1,186.3 125,230 125,230 125,230 203.9,186.3 218.1,63.2 	"/>
+	<polygon class="st1" points="125,30 125,52.2 125,52.1 125,153.4 125,153.4 125,230 125,230 203.9,186.3 218.1,63.2 125,30 	"/>
+	<path class="st2" d="M125,52.1L66.8,182.6h0h21.7h0l11.7-29.2h49.4l11.7,29.2h0h21.7h0L125,52.1L125,52.1L125,52.1L125,52.1
+		L125,52.1z M142,135.4H108l17-40.9L142,135.4z"/>
+</g>
+</svg>
diff --git a/apps/playground/src/assets/images/backpack.svg b/apps/playground/src/assets/images/backpack.svg
new file mode 100644
index 000000000..b5c458ae9
--- /dev/null
+++ b/apps/playground/src/assets/images/backpack.svg
@@ -0,0 +1,133 @@
+<<<<<<< HEAD
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+>>>>>>> a5fd134b84149c490bf14430ee27d0cab79a5ec7
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diff --git a/apps/playground/src/assets/images/email.svg b/apps/playground/src/assets/images/email.svg
new file mode 100644
index 000000000..77c5db3ca
--- /dev/null
+++ b/apps/playground/src/assets/images/email.svg
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 100 100" style="enable-background:new 0 0 100 100;" xml:space="preserve">
+	<polygon style="fill:#fff;" points="50.604, 66.905 6.865, 29.167 5.75, 29.167 5.75, 75.833 94.75, 75.833 94.75, 29.167 94.343, 29.167 "/>
+	<polygon style="fill:#fff;" points="94.343, 24.167 6.865, 24.167 50.604, 61.905 "/>
+</svg>
diff --git a/apps/playground/src/assets/images/facebook.gif b/apps/playground/src/assets/images/facebook.gif
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index 000000000..cb02b6d11
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diff --git a/apps/playground/src/assets/images/first_app.png b/apps/playground/src/assets/images/first_app.png
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diff --git a/apps/playground/src/assets/images/forms.png b/apps/playground/src/assets/images/forms.png
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diff --git a/apps/playground/src/assets/images/headgears.png b/apps/playground/src/assets/images/headgears.png
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diff --git a/apps/playground/src/assets/images/helloworldapp.png b/apps/playground/src/assets/images/helloworldapp.png
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diff --git a/apps/playground/src/assets/images/material.png b/apps/playground/src/assets/images/material.png
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diff --git a/apps/playground/src/assets/images/not-bad.jpg b/apps/playground/src/assets/images/not-bad.jpg
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diff --git a/apps/playground/src/assets/images/router.png b/apps/playground/src/assets/images/router.png
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diff --git a/apps/playground/src/assets/images/template.png b/apps/playground/src/assets/images/template.png
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diff --git a/apps/playground/src/assets/images/try-again.jpeg b/apps/playground/src/assets/images/try-again.jpeg
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diff --git a/apps/playground/src/assets/images/tryagain.jpeg b/apps/playground/src/assets/images/tryagain.jpeg
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diff --git a/apps/playground/src/assets/images/ts.png b/apps/playground/src/assets/images/ts.png
new file mode 100644
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diff --git a/apps/playground/src/assets/images/twitter.svg b/apps/playground/src/assets/images/twitter.svg
new file mode 100644
index 000000000..a4ed81154
--- /dev/null
+++ b/apps/playground/src/assets/images/twitter.svg
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 100 100" style="enable-background:new 0 0 100 100;" xml:space="preserve">
+	<path style="fill:#fff;" d="M81.947, 32.56c0.033, 0.705, 0.05, 1.416, 0.05, 2.132c0, 21.768-16.563, 46.859-46.854, 46.859c-9.3, 0-17.962-2.725-25.254-7.398 c1.293, 0.151, 2.608, 0.235, 3.928, 0.235c7.722, 0, 14.818-2.635, 20.458-7.056c-7.208-0.134-13.296-4.902-15.388-11.438 c1.001, 0.185, 2.042, 0.291, 3.106, 0.291c1.494, 0, 2.949-0.202, 4.337-0.576c-7.537-1.516-13.217-8.164-13.217-16.144v-0.213 c2.222, 1.242, 4.768, 1.975, 7.465, 2.059c-4.421-2.949-7.33-7.991-7.33-13.704c0-3.016, 0.817-5.853, 2.227-8.282 c8.131, 9.966, 20.263, 16.513, 33.956, 17.213c-0.28-1.209-0.426-2.468-0.426-3.755c0-9.099, 7.37-16.474, 16.463-16.474 c4.74, 0, 9.026, 1.998, 12.02, 5.204c3.755-0.739, 7.28-2.11, 10.47-4.001c-1.237, 3.85-3.85, 7.079-7.246, 9.116 c3.33-0.397, 6.508-1.281, 9.457-2.591C87.957, 27.334, 85.17, 30.244, 81.947, 32.56z"/>
+</svg>
\ No newline at end of file
diff --git a/apps/playground/src/index.html b/apps/playground/src/index.html
index 4039ce552..d7d735cdc 100644
--- a/apps/playground/src/index.html
+++ b/apps/playground/src/index.html
@@ -2,16 +2,29 @@
 <html lang="en">
   <head>
     <meta charset="utf-8" />
-    <title>Playground</title>
+    <title>Angular Codelab Quiz App</title>
     <base href="/" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <link rel="icon" type="image/x-icon" href="favicon.ico" />
-    <link
-      href="https://fonts.googleapis.com/icon?family=Material+Icons"
-      rel="stylesheet"
-    />
+    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons" />
+    <script>
+      // var global = global || window; // open this if you take global error
+      // var Buffer = Buffer || []; // open this if you take buffer error
+      var process = process || {
+        env: { DEBUG: undefined },
+        version: []
+      };
+    </script>
   </head>
   <body>
-    <codelab-root></codelab-root>
+    <codelab-root>
+      <div class="preload">
+        <div></div>
+        <div></div>
+        <div></div>
+        <div></div>
+      </div>
+    </codelab-root>
+    <noscript>Please enable JavaScript to continue using this application.</noscript>
   </body>
 </html>
diff --git a/apps/playground/tsconfig.app.json b/apps/playground/tsconfig.app.json
index ddd50436d..cd6236720 100644
--- a/apps/playground/tsconfig.app.json
+++ b/apps/playground/tsconfig.app.json
@@ -5,7 +5,7 @@
     "types": []
   },
   "angularCompilerOptions": {
-    "enableIvy": true
+    "enableIvy": false
   },
   "files": ["src/main.ts", "src/polyfills.ts"],
   "include": ["**/*.ts"],
diff --git a/apps/playground/tsconfig.json b/apps/playground/tsconfig.json
index 7ceb7d74d..db4f20839 100644
--- a/apps/playground/tsconfig.json
+++ b/apps/playground/tsconfig.json
@@ -1,10 +1,44 @@
 {
   "extends": "../../tsconfig.json",
   "compilerOptions": {
-    "types": ["node", "jest"]
+    "baseUrl": ".",
+    "types": ["node", "jest"],
+    "paths": {
+      "@codelab/*": ["../../../codelab-master/libs/*"],
+      "@ng360/slides": ["../../../codelab-master/libs/slides/src/index.ts"],
+      "@codelab/utils": ["../../../codelab-master/libs/utils/src/index.ts"],
+      "@codelab/code-demos": ["../../../codelab-master/libs/code-demos/src/index.ts"],
+      "@codelab/firebase": ["../../../codelab-master/libs/firebase/src/index.ts"],
+      "@codelab/intro": ["../../../codelab-master/libs/intro/src/index.ts"],
+      "@codelab/browser": ["../../../codelab-master/libs/browser/src/index.ts"],
+      "@codelab-quiz/animations/*": [
+        "src/app/quiz/animations/index.ts"
+      ],
+      "@codelab-quiz/components/*": [
+        "src/app/quiz/components/index.ts"
+      ],
+      "@codelab-quiz/containers/*": [
+        "src/app/quiz/containers/index.ts"
+      ],
+      "@codelab-quiz/pipes/*": [
+        "src/app/quiz/pipes/index.ts"
+      ],
+      "@codelab-quiz/shared/*": [
+        "src/app/quiz/shared/index.ts"
+      ],
+      "@codelab-quiz/shared/models/*": [
+        "src/app/quiz/shared/models/index.ts"
+      ],
+      "@codelab-quiz/shared/quiz-data": [
+        "src/app/quiz/shared/quiz.ts"
+      ],
+      "@codelab-quiz/shared/services/*": [
+        "src/app/quiz/shared/services/index.ts"
+      ]
+    }
   },
   "angularCompilerOptions": {
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+	<path style="fill:#fff;" d="M81.947, 32.56c0.033, 0.705, 0.05, 1.416, 0.05, 2.132c0, 21.768-16.563, 46.859-46.854, 46.859c-9.3, 0-17.962-2.725-25.254-7.398 c1.293, 0.151, 2.608, 0.235, 3.928, 0.235c7.722, 0, 14.818-2.635, 20.458-7.056c-7.208-0.134-13.296-4.902-15.388-11.438 c1.001, 0.185, 2.042, 0.291, 3.106, 0.291c1.494, 0, 2.949-0.202, 4.337-0.576c-7.537-1.516-13.217-8.164-13.217-16.144v-0.213 c2.222, 1.242, 4.768, 1.975, 7.465, 2.059c-4.421-2.949-7.33-7.991-7.33-13.704c0-3.016, 0.817-5.853, 2.227-8.282 c8.131, 9.966, 20.263, 16.513, 33.956, 17.213c-0.28-1.209-0.426-2.468-0.426-3.755c0-9.099, 7.37-16.474, 16.463-16.474 c4.74, 0, 9.026, 1.998, 12.02, 5.204c3.755-0.739, 7.28-2.11, 10.47-4.001c-1.237, 3.85-3.85, 7.079-7.246, 9.116 c3.33-0.397, 6.508-1.281, 9.457-2.591C87.957, 27.334, 85.17, 30.244, 81.947, 32.56z"/>
+</svg>
\ No newline at end of file
diff --git a/browserslist b/browserslist
new file mode 100644
index 000000000..80848532e
--- /dev/null
+++ b/browserslist
@@ -0,0 +1,12 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11 # For IE 9-11 support, remove 'not'.
\ No newline at end of file
diff --git a/codelab-master/.editorconfig b/codelab-master/.editorconfig
new file mode 100644
index 000000000..6e87a003d
--- /dev/null
+++ b/codelab-master/.editorconfig
@@ -0,0 +1,13 @@
+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false
diff --git a/codelab-master/.firebaserc b/codelab-master/.firebaserc
new file mode 100644
index 000000000..5aef36aa3
--- /dev/null
+++ b/codelab-master/.firebaserc
@@ -0,0 +1,27 @@
+{
+  "projects": {
+    "default": "angular-presentation",
+    "kirjs": "kirjs-kirjs"
+  },
+  "targets": {
+    "angular-presentation": {
+      "hosting": {
+        "codelab": [
+          "angular-presentation"
+        ],
+        "kirjs": [
+          "kirjs-home"
+        ],
+        "codelab-next": [
+          "codelab-next"
+        ],
+        "lis": [
+          "lis-lis"
+        ],
+        "angular-ivy": [
+            "angular-ivy"
+        ]
+      }
+    }
+  }
+}
diff --git a/codelab-master/.flooignore b/codelab-master/.flooignore
new file mode 100644
index 000000000..ed824d39a
--- /dev/null
+++ b/codelab-master/.flooignore
@@ -0,0 +1,6 @@
+extern
+node_modules
+tmp
+vendor
+.idea/workspace.xml
+.idea/misc.xml
diff --git a/codelab-master/.gitattributes b/codelab-master/.gitattributes
new file mode 100644
index 000000000..940a34485
--- /dev/null
+++ b/codelab-master/.gitattributes
@@ -0,0 +1 @@
+src/assets/monaco linguist-vendored
diff --git a/codelab-master/.gitignore b/codelab-master/.gitignore
new file mode 100644
index 000000000..207803cb0
--- /dev/null
+++ b/codelab-master/.gitignore
@@ -0,0 +1,49 @@
+# See http://help.github.com/ignore-files/ for more about ignoring files.
+
+# compiled output
+/dist
+/tmp
+/out-tsc
+
+# dependencies
+/node_modules
+yarn.lock
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# misc
+/.sass-cache
+/connect.lock
+/coverage
+/typings
+.firebase
+*.log
+.floo
+
+# e2e
+/e2e/*.js
+/e2e/*.map
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
diff --git a/codelab-master/.nvmrc b/codelab-master/.nvmrc
new file mode 100644
index 000000000..73bffb039
--- /dev/null
+++ b/codelab-master/.nvmrc
@@ -0,0 +1 @@
+10.17.0
diff --git a/codelab-master/.prettierignore b/codelab-master/.prettierignore
new file mode 100644
index 000000000..85c3af54c
--- /dev/null
+++ b/codelab-master/.prettierignore
@@ -0,0 +1,5 @@
+ng2ts
+dist
+coverage
+libs/code-demos/assets/runner/ng2/ng-bundle.js
+libs/code-demos/assets/runner/ng-dts/files.txt
diff --git a/codelab-master/.prettierrc b/codelab-master/.prettierrc
new file mode 100644
index 000000000..544138be4
--- /dev/null
+++ b/codelab-master/.prettierrc
@@ -0,0 +1,3 @@
+{
+  "singleQuote": true
+}
diff --git a/codelab-master/.travis.yml b/codelab-master/.travis.yml
new file mode 100644
index 000000000..54b5c3ee5
--- /dev/null
+++ b/codelab-master/.travis.yml
@@ -0,0 +1,31 @@
+dist: trusty
+language: node_js
+node_js:
+  - "10"
+
+env:
+  matrix:
+    - TRIGGER="format:check"
+    - TRIGGER="lint"
+    - TRIGGER="ng build --  --prod --source-map=false --build-optimizer=false"
+
+script:
+  - npm run $TRIGGER
+
+notifications:
+  email: false
+
+cache:
+  npm: true
+  directories:
+    - node_modules
+
+deploy:
+  provider: firebase
+  project: "angular-presentation"
+  token:
+    secure: "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"
+  before_deploy:
+    - npm run pre-deploy
+  on:
+    branch: release
diff --git a/codelab-master/.vscode/extensions.json b/codelab-master/.vscode/extensions.json
new file mode 100644
index 000000000..f04b90129
--- /dev/null
+++ b/codelab-master/.vscode/extensions.json
@@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "nrwl.angular-console",
+    "angular.ng-template",
+    "esbenp.prettier-vscode"
+  ]
+}
diff --git a/LICENSE b/codelab-master/LICENSE
similarity index 100%
rename from LICENSE
rename to codelab-master/LICENSE
diff --git a/codelab-master/README.md b/codelab-master/README.md
new file mode 100644
index 000000000..b60b76b42
--- /dev/null
+++ b/codelab-master/README.md
@@ -0,0 +1,49 @@
+[![Join our Slack, #codelab channel](https://img.shields.io/badge/slack-%23codelab-yellowgreen)](https://nycjsorg.now.sh) [![Check out the demo](https://img.shields.io/badge/see%20the-Demo-brightgreen)](https://codelab.fun)
+
+# Angular Codelab - [codelab.fun](https://codelab.fun)
+
+Angular Codelab is a self-paced interactive Angular course:
+
+<img alt="interactive exercises" src="https://user-images.githubusercontent.com/2545357/66274607-4d17a880-e84e-11e9-8ed0-a1ae678988a5.gif"  width="600">
+ 
+- 🔥 Everything in the browser - **no setup needed**
+- 🔥 **Interactive code samples** - Change the code and see the result immediately!
+- 🔥 Hands-on **Exercises** to solidify your knowledge
+- 🔥 **Free** - Made for Angular enthusiasts by Angular enthusiasts  
+- 🔥 Written in Angular and **open source**
+
+Try it out yourself at [codelab.fun](https://codelab.fun)
+
+## Help us make Codelab.fun better
+
+- [Contribute to the codebase](#contribute-to-the-codebase)
+- [Host a live Angular Codelab event in your city](#host-a-live-angular-codelab-event-in-your-city)
+- [Translate Codelab to your language](#translate-codelab-to-your-language)
+
+### Contribute to the codebase
+
+Codelab.fun is an Angular app!
+
+It uses [angular-cli](https://cli.angular.io/) with [nx](https://nx.dev) and all materials are in a form of Angular components.
+
+![image](https://user-images.githubusercontent.com/2545357/66277059-0edab300-e867-11e9-863e-340e6d888ea5.png)
+
+See what [Good first issues](https://github.com/codelab-fun/codelab/issues?q=is%3Aissue+is%3Aopen+label%3Agood-first-issue) are available.
+
+See [CONTRIBUTING.md](./docs/CONTRIBUTING.md) for detailed instructions.
+
+### Host a live Angular Codelab event in your city
+
+We have hosted multiple live codelab events in 10+ cities, and you can help us host one in yours!
+
+See how in [HOSTING.md](./docs/HOSTING.md)
+
+<img alt="People learning angular" src="https://user-images.githubusercontent.com/2545357/66275179-1fcdf900-e854-11e9-8c44-69e4368ba6c1.png"  width="600">
+
+### Translate Codelab to your language
+
+Currently codelab.fun is availble in English and Russian.
+
+See [TRANSLATING.md](./docs/TRANSLATING.md) for how you can help us translate the codelab into your language.
+
+Thanks to amazing [PoEditor](https://poeditor.com) for providing us with an open source licence
diff --git a/codelab-master/angular.json b/codelab-master/angular.json
new file mode 100644
index 000000000..3f00ceada
--- /dev/null
+++ b/codelab-master/angular.json
@@ -0,0 +1,1079 @@
+{
+  "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
+  "version": 1,
+  "newProjectRoot": "",
+  "projects": {
+    "codelab": {
+      "root": "apps/codelab",
+      "sourceRoot": "apps/codelab/src",
+      "projectType": "application",
+      "architect": {
+        "build": {
+          "builder": "@angular-builders/custom-webpack:browser",
+          "options": {
+            "customWebpackConfig": {
+              "path": "apps/codelab/extra-webpack.config.js"
+            },
+            "outputPath": "dist/apps/codelab",
+            "index": "apps/codelab/src/index.html",
+            "main": "apps/codelab/src/main.ts",
+            "tsConfig": "apps/codelab/tsconfig.app.json",
+            "polyfills": "apps/codelab/src/polyfills.ts",
+            "aot": true,
+            "assets": [
+              "apps/codelab/src/assets",
+              "apps/codelab/src/favicon.ico",
+              "apps/codelab/src/manifest.webmanifest",
+              {
+                "glob": "**/*",
+                "input": "node_modules/monaco-editor/",
+                "output": "./assets/monaco/"
+              },
+              {
+                "glob": "**/*",
+                "input": "libs/intro/assets/",
+                "output": "./assets/intro/"
+              },
+              {
+                "glob": "**/*",
+                "input": "libs/code-demos/assets/runner/",
+                "output": "./assets/runner/"
+              }
+            ],
+            "styles": ["apps/codelab/src/styles.scss"],
+            "scripts": []
+          },
+          "configurations": {
+            "ru": {
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "extractCss": true,
+              "namedChunks": true,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true,
+              "baseHref": "/ru/",
+              "deployUrl": "/ru/",
+              "fileReplacements": [
+                {
+                  "replace": "apps/codelab/src/environments/environment.ts",
+                  "with": "apps/codelab/src/environments/environment.prod.ts"
+                }
+              ],
+              "outputPath": "dist/apps/codelab/ru",
+              "i18nFile": "apps/codelab/src/locale/codelab.ru.xtb",
+              "i18nFormat": "xtb",
+              "i18nLocale": "ru"
+            },
+            "production": {
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "extractCss": true,
+              "namedChunks": false,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true,
+              "fileReplacements": [
+                {
+                  "replace": "apps/codelab/src/environments/environment.ts",
+                  "with": "apps/codelab/src/environments/environment.prod.ts"
+                }
+              ],
+              "serviceWorker": false
+            }
+          }
+        },
+        "serve": {
+          "builder": "@angular-builders/custom-webpack:dev-server",
+          "options": {
+            "browserTarget": "codelab:build"
+          },
+          "configurations": {
+            "production": {
+              "browserTarget": "codelab:build:production"
+            },
+            "ru": {
+              "browserTarget": "codelab:build:ru"
+            }
+          }
+        },
+        "extract-i18n": {
+          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "options": {
+            "browserTarget": "codelab:build"
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "apps/codelab/src/test.ts",
+            "karmaConfig": "apps/codelab/karma.conf.js",
+            "polyfills": "apps/codelab/src/polyfills.ts",
+            "tsConfig": "apps/codelab/tsconfig.spec.json",
+            "scripts": [],
+            "styles": ["apps/codelab/src/styles.scss"],
+            "assets": [
+              "apps/codelab/src/assets",
+              "apps/codelab/src/favicon.ico",
+              "apps/codelab/src/manifest.webmanifest"
+            ]
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "apps/codelab/tsconfig.app.json",
+              "apps/codelab/tsconfig.spec.json"
+            ],
+            "exclude": []
+          }
+        }
+      }
+    },
+    "browser": {
+      "root": "libs/browser",
+      "sourceRoot": "libs/browser/src",
+      "projectType": "library",
+      "prefix": "codelab",
+      "architect": {
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "libs/browser/tsconfig.lib.json",
+              "libs/browser/tsconfig.spec.json"
+            ],
+            "exclude": ["**/node_modules/**"]
+          }
+        }
+      }
+    },
+    "console": {
+      "root": "libs/console",
+      "sourceRoot": "libs/console/src",
+      "projectType": "library",
+      "prefix": "codelab",
+      "architect": {
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "libs/console/src/test.ts",
+            "tsConfig": "libs/console/tsconfig.spec.json",
+            "karmaConfig": "libs/console/karma.conf.js"
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "libs/console/tsconfig.lib.json",
+              "libs/console/tsconfig.spec.json"
+            ],
+            "exclude": ["**/node_modules/**"]
+          }
+        }
+      }
+    },
+    "utils": {
+      "root": "libs/utils",
+      "sourceRoot": "libs/utils/src",
+      "projectType": "library",
+      "prefix": "codelab",
+      "architect": {
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "libs/utils/src/test.ts",
+            "tsConfig": "libs/utils/tsconfig.spec.json",
+            "karmaConfig": "libs/utils/karma.conf.js"
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "libs/utils/tsconfig.lib.json",
+              "libs/utils/tsconfig.spec.json"
+            ],
+            "exclude": ["**/node_modules/**"]
+          }
+        }
+      }
+    },
+    "kirjs": {
+      "root": "apps/kirjs/",
+      "sourceRoot": "apps/kirjs/src",
+      "projectType": "application",
+      "prefix": "kirjs",
+      "schematics": {},
+      "architect": {
+        "build": {
+          "builder": "@angular-devkit/build-angular:browser",
+          "options": {
+            "aot": true,
+            "outputPath": "dist/apps/kirjs",
+            "index": "apps/kirjs/src/index.html",
+            "main": "apps/kirjs/src/main.ts",
+            "polyfills": "apps/kirjs/src/polyfills.ts",
+            "tsConfig": "apps/kirjs/tsconfig.app.json",
+            "assets": [
+              {
+                "glob": "**/*",
+                "input": "node_modules/monaco-editor/",
+                "output": "./assets/monaco/"
+              },
+              "apps/kirjs/src/favicon.ico",
+              "apps/kirjs/src/assets",
+              {
+                "glob": "**/*",
+                "input": "libs/code-demos/assets/runner/",
+                "output": "./assets/runner/"
+              }
+            ],
+            "styles": ["apps/kirjs/src/styles.css"],
+            "scripts": []
+          },
+          "configurations": {
+            "ru": {
+              "outputPath": "dist/apps/kirjs/ru",
+              "aot": true,
+              "i18nFile": "apps/kirjs/src/locale/kirjs.ru.xtb",
+              "i18nFormat": "xtb",
+              "i18nLocale": "ru"
+            },
+            "production": {
+              "fileReplacements": [
+                {
+                  "replace": "apps/kirjs/src/environments/environment.ts",
+                  "with": "apps/kirjs/src/environments/environment.prod.ts"
+                }
+              ],
+              "optimization": true,
+              "outputHashing": "all",
+              "sourceMap": false,
+              "extractCss": true,
+              "namedChunks": false,
+              "aot": true,
+              "extractLicenses": true,
+              "vendorChunk": false,
+              "buildOptimizer": true
+            }
+          }
+        },
+        "serve": {
+          "builder": "@angular-devkit/build-angular:dev-server",
+          "options": {
+            "browserTarget": "kirjs:build"
+          },
+          "configurations": {
+            "production": {
+              "browserTarget": "kirjs:build:production"
+            },
+            "ru": {
+              "browserTarget": "kirjs:build:ru"
+            }
+          }
+        },
+        "extract-i18n": {
+          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "options": {
+            "browserTarget": "kirjs:build"
+          },
+          "configurations": {
+            "ru": {
+              "outputPath": "locale/",
+              "outFile": "messages.ru.untranslated.xlf",
+              "i18nFormat": "xlf",
+              "i18nLocale": "ru"
+            }
+          }
+        },
+        "test": {
+          "builder": "@angular-devkit/build-angular:karma",
+          "options": {
+            "main": "apps/kirjs/src/test.ts",
+            "polyfills": "apps/kirjs/src/polyfills.ts",
+            "tsConfig": "apps/kirjs/tsconfig.spec.json",
+            "karmaConfig": "apps/kirjs/karma.conf.js",
+            "styles": ["apps/kirjs/src/styles.css"],
+            "scripts": [],
+            "assets": ["apps/kirjs/src/favicon.ico", "apps/kirjs/src/assets"]
+          }
+        },
+        "lint": {
+          "builder": "@angular-devkit/build-angular:tslint",
+          "options": {
+            "tsConfig": [
+              "apps/kirjs/tsconfig.app.json",
+              "apps/kirjs/tsconfig.spec.json"
+            ],
+            "exclude": ["**/node_modules/**"]
+          }
+        }
+      }
+    },
+    "angular-ast-viz": {
+      "root": "libs/angular-ast-viz",
+      "sourceRoot": "libs/angular-ast-viz/src",
+      "projectType": "library",
+      "prefix": "codelab",
+      "architect": {
+        "build": {
+          "builder": "@nrwl/angular:package",
+          "options": {
+            "tsConfig": "libs/angular-ast-viz/tsconfig.lib.json",
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+          },
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+    }
+  },
+  "defaultProject": "codelab",
+  "schematics": {
+    "@schematics/angular:component": {
+      "prefix": "slides",
+      "style": "css"
+    },
+    "@schematics/angular:directive": {
+      "prefix": "slides"
+    },
+    "@nrwl/schematics:library": {
+      "unitTestRunner": "karma",
+      "framework": "angular"
+    },
+    "@nrwl/schematics:application": {
+      "unitTestRunner": "karma",
+      "e2eTestRunner": "protractor"
+    },
+    "@nrwl/schematics:node-application": {
+      "framework": "express"
+    },
+    "@nrwl/angular:application": {
+      "unitTestRunner": "jest",
+      "e2eTestRunner": "cypress"
+    },
+    "@nrwl/angular:library": {
+      "unitTestRunner": "jest"
+    }
+  },
+  "cli": {
+    "defaultCollection": "@nrwl/angular",
+    "analytics": "2d33a6dc-15e8-4227-b14e-dedd96805cec"
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/browserslist b/codelab-master/apps/angular-thirty-seconds/browserslist
new file mode 100644
index 000000000..37371cb04
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/browserslist
@@ -0,0 +1,11 @@
+# This file is currently used by autoprefixer to adjust CSS to support the below specified browsers
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+#
+# For IE 9-11 support, please remove 'not' from the last line of the file and adjust as needed
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11
\ No newline at end of file
diff --git a/codelab-master/apps/angular-thirty-seconds/karma.conf.js b/codelab-master/apps/angular-thirty-seconds/karma.conf.js
new file mode 100644
index 000000000..97cb50940
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/karma.conf.js
@@ -0,0 +1,31 @@
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+module.exports = function(config) {
+  config.set({
+    basePath: '../',
+    frameworks: ['jasmine', '@angular-devkit/build-angular'],
+    plugins: [
+      require('karma-jasmine'),
+      require('karma-chrome-launcher'),
+      require('karma-jasmine-html-reporter'),
+      require('karma-coverage-istanbul-reporter'),
+      require('@angular-devkit/build-angular/plugins/karma')
+    ],
+    client: {
+      clearContext: false // leave Jasmine Spec Runner output visible in browser
+    },
+    coverageIstanbulReporter: {
+      dir: require('path').join(__dirname, '../coverage'),
+      reports: ['html', 'lcovonly'],
+      fixWebpackSourcePaths: true
+    },
+    reporters: ['progress', 'kjhtml'],
+    port: 9876,
+    colors: true,
+    logLevel: config.LOG_INFO,
+    autoWatch: true,
+    browsers: ['Chrome'],
+    singleRun: false
+  });
+};
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/app.component.ts b/codelab-master/apps/angular-thirty-seconds/src/app/app.component.ts
new file mode 100644
index 000000000..9713b60a8
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/app.component.ts
@@ -0,0 +1,27 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-root',
+  template: `
+    <div class="wrapper">
+      <router-outlet></router-outlet>
+    </div>
+  `,
+
+  styles: [
+    `
+      .wrapper {
+        margin: 0 60px;
+        padding: 0 20px;
+      }
+
+      :host ::ng-deep {
+        font-family: 'Helvetica Neue', sans-serif;
+        font-weight: 300;
+        padding: 0 20px;
+        display: block;
+      }
+    `
+  ]
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/app.module.ts b/codelab-master/apps/angular-thirty-seconds/src/app/app.module.ts
new file mode 100644
index 000000000..750a872c4
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/app.module.ts
@@ -0,0 +1,51 @@
+import { MatButtonModule } from '@angular/material/button';
+import { MatTableModule } from '@angular/material/table';
+import { BrowserModule } from '@angular/platform-browser';
+import { APP_INITIALIZER, NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { RouterModule, Routes } from '@angular/router';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { monacoReady } from '@codelab/code-demos';
+import { HttpClientModule } from '@angular/common/http';
+import { CreateSnippetComponent } from './create-snippet/create-snippet.component';
+import { CreateSnippetModule } from './create-snippet/create-snippet.module';
+import { environment } from '../../../codelab/src/environments/environment';
+import { AngularFireModule } from '@angular/fire';
+import { PullRequestsListComponent } from './pull-requests-list/pull-requests-list.component';
+
+export const angularFire = AngularFireModule.initializeApp(
+  environment.firebaseConfig
+);
+
+const routes: Routes = [
+  { path: '', redirectTo: 'list', pathMatch: 'full' },
+  { path: 'list', component: PullRequestsListComponent },
+  { path: 'new/:repoName/:repoOwner', component: CreateSnippetComponent },
+  {
+    path: 'new/:repoName/:repoOwner/:pullNumber',
+    component: CreateSnippetComponent
+  }
+];
+
+@NgModule({
+  imports: [
+    angularFire,
+    BrowserModule,
+    BrowserAnimationsModule,
+    RouterModule.forRoot(routes),
+    MatButtonModule,
+    MatTableModule,
+    HttpClientModule,
+    CreateSnippetModule
+  ],
+  declarations: [AppComponent, PullRequestsListComponent],
+  providers: [
+    {
+      provide: APP_INITIALIZER,
+      useValue: monacoReady,
+      multi: true
+    }
+  ],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.html b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.html
new file mode 100644
index 000000000..f3119620c
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.html
@@ -0,0 +1,222 @@
+<div *ngIf="!isLoading; else loadingTmp" class="container">
+  <h1>
+    {{ isEditing ? '' : 'New' }} Snippet
+    <button (click)="openPreview()" mat-button class="btn-submit">
+      {{ isEditing ? 'Edit' : 'Create' }} Snippet
+    </button>
+  </h1>
+
+  <codelab-snippet-info></codelab-snippet-info>
+
+  <form [formGroup]="snippetForm">
+    <section>
+      <div class="input-block">
+        <div>
+          <label for="snippetTitle">
+            Title <span class="required">*</span>
+          </label>
+          <mat-form-field>
+            <input
+              formControlName="title"
+              maxlength="120"
+              id="snippetTitle"
+              type="text"
+              matInput
+            />
+          </mat-form-field>
+          <span class="input-info"> Maximum 120 symbols </span>
+          <div
+            *ngIf="
+              snippetForm.get('title').touched &&
+              snippetForm.get('title').invalid
+            "
+          >
+            <div
+              *ngIf="snippetForm.get('title').errors['required']"
+              class="validation-message"
+            >
+              This field is required
+            </div>
+          </div>
+        </div>
+        <div>
+          <label for="snippetLevel">
+            Level <span class="required">*</span>
+          </label>
+          <mat-form-field>
+            <mat-select formControlName="level" id="snippetLevel">
+              <mat-option value="beginner">beginner</mat-option>
+              <mat-option value="intermediate">intermediate</mat-option>
+              <mat-option value="advanced">advanced</mat-option>
+            </mat-select>
+          </mat-form-field>
+          <div
+            *ngIf="
+              snippetForm.get('level').touched &&
+              snippetForm.get('level').invalid
+            "
+          >
+            <div
+              *ngIf="snippetForm.get('level').errors['required']"
+              class="validation-message"
+            >
+              This field is required
+            </div>
+          </div>
+        </div>
+
+        <div>
+          <label for="snippetTwitter">
+            Your twitter handle
+          </label>
+          <mat-form-field>
+            <input
+              formControlName="twitter"
+              id="snippetTwitter"
+              type="text"
+              matInput
+            />
+          </mat-form-field>
+        </div>
+
+        <div>
+          <label for="tags"> Tags <span class="required">*</span> </label>
+          <mat-form-field>
+            <mat-chip-list #chipList>
+              <mat-chip
+                *ngFor="let tag of tags"
+                [removable]="true"
+                (removed)="removeTag(tag)"
+              >
+                {{ tag }}
+              </mat-chip>
+              <input
+                #tagInput
+                formControlName="tags"
+                id="tags"
+                [matAutocomplete]="auto"
+                [matChipInputFor]="chipList"
+                [matChipInputAddOnBlur]="true"
+                [matChipInputSeparatorKeyCodes]="separatorKeysCodes"
+                (matChipInputTokenEnd)="addTag($event)"
+              />
+            </mat-chip-list>
+            <mat-autocomplete
+              #auto="matAutocomplete"
+              (optionSelected)="selectedTags($event)"
+            >
+              <mat-option
+                *ngFor="let tag of filteredTags | async"
+                [value]="tag"
+              >
+                {{ tag }}
+              </mat-option>
+            </mat-autocomplete>
+          </mat-form-field>
+          <span class="input-info"> Maximum 5 tags </span>
+          <div
+            *ngIf="
+              snippetForm.get('tags').touched && snippetForm.get('tags').invalid
+            "
+          >
+            <div
+              *ngIf="snippetForm.get('tags').errors['required']"
+              class="validation-message"
+            >
+              This field is required
+            </div>
+            <div
+              *ngIf="snippetForm.get('tags').errors['tagsError']"
+              class="validation-message"
+            >
+              {{ snippetForm.get('tags').errors['tagsError'] }}
+            </div>
+          </div>
+        </div>
+      </div>
+    </section>
+
+    <section>
+      <div class="w-50">
+        <label for="content"> Content <span class="required">*</span> </label>
+        <mat-form-field>
+          <textarea formControlName="content" id="content" type="text" matInput>
+          </textarea>
+        </mat-form-field>
+        <div
+          *ngIf="
+            snippetForm.get('content').touched &&
+            snippetForm.get('content').invalid
+          "
+        >
+          <div
+            *ngIf="snippetForm.get('content').errors['required']"
+            class="validation-message"
+          >
+            This field is required
+          </div>
+          <div
+            *ngIf="snippetForm.get('content').errors['linesError']"
+            class="validation-message"
+          >
+            {{ snippetForm.get('content').errors['linesError'] }}
+          </div>
+        </div>
+      </div>
+      <div class="markdown-info">
+        <markdown [data]="snippetForm.get('content').value"></markdown>
+      </div>
+    </section>
+
+    <p (click)="hasBonus = !hasBonus" class="cursor-pointer">
+      <span *ngIf="!hasBonus" class="icon-plus"> Add Bonus section </span>
+      <span *ngIf="hasBonus" class="icon-minus"> Remove Bonus section </span>
+    </p>
+    <ng-container *ngIf="hasBonus">
+      <section>
+        <div class="w-50">
+          <label for="bonus"> Bonus </label>
+          <mat-form-field>
+            <textarea formControlName="bonus" id="bonus" type="text" matInput>
+            </textarea>
+          </mat-form-field>
+        </div>
+        <div class="markdown-info">
+          <markdown [data]="snippetForm.get('bonus').value"></markdown>
+        </div>
+      </section>
+    </ng-container>
+
+    <p (click)="hasLinks = !hasLinks" class="cursor-pointer">
+      <span *ngIf="!hasLinks" class="icon-plus"> Add Links section </span>
+      <span *ngIf="hasLinks" class="icon-minus"> Remove Links section </span>
+    </p>
+    <ng-container *ngIf="hasLinks">
+      <section>
+        <div class="w-50">
+          <label for="links"> Links </label>
+          <mat-form-field>
+            <textarea formControlName="links" id="links" type="text" matInput>
+            </textarea>
+          </mat-form-field>
+        </div>
+      </section>
+    </ng-container>
+
+    <p (click)="hasDemo = !hasDemo" class="cursor-pointer">
+      <span *ngIf="!hasDemo" class="icon-plus"> Add Demo section </span>
+      <span *ngIf="hasDemo" class="icon-minus"> Remove Demo section </span>
+    </p>
+    <ng-container *ngIf="hasDemo">
+      <section>
+        <div class="w-100">
+          <code-demo formControlName="demo" bootstrap="main"></code-demo>
+        </div>
+      </section>
+    </ng-container>
+  </form>
+</div>
+
+<ng-template #loadingTmp>
+  <codelab-snippet-spinner></codelab-snippet-spinner>
+</ng-template>
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.scss b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.scss
new file mode 100644
index 000000000..3b752d38e
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.scss
@@ -0,0 +1,112 @@
+:host {
+  label {
+    color: #3e515b;
+  }
+
+  textarea {
+    width: 100%;
+    height: 280px;
+  }
+
+  mat-form-field {
+    width: 100%;
+  }
+
+  section {
+    display: flex;
+    margin: 30px 0;
+  }
+
+  .icon {
+    justify-content: center;
+    align-items: center;
+    font-size: 15px;
+
+    &-plus:before {
+      content: '\FF0B';
+      border: 1px solid #444;
+      border-radius: 50%;
+      color: #444;
+    }
+
+    &-minus:before {
+      content: '\FF0D';
+      border: 1px solid #444;
+      border-radius: 50%;
+      color: #444;
+    }
+  }
+
+  .btn-submit {
+    float: right;
+    font-weight: 400;
+    text-align: center;
+    vertical-align: middle;
+    border: 1px solid #213451;
+    font-size: 14px;
+    color: #fff;
+    background-color: #213451;
+    cursor: pointer;
+  }
+
+  .container {
+    max-width: 850px;
+    padding: 0 15px 30px 15px;
+    margin: 0 auto;
+    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
+  }
+
+  .input-info {
+    display: block;
+    height: 10px;
+    line-height: 10px;
+    font-size: 0.625em;
+    margin-top: -15px;
+    color: #8b8b8b;
+  }
+
+  .markdown-info {
+    width: 50%;
+    padding: 15px 35px;
+    border: 1px solid #a4b7c1;
+    margin-left: 30px;
+  }
+
+  .input-block {
+    width: 300px;
+
+    div {
+      margin-bottom: 25px;
+      width: 100%;
+    }
+  }
+
+  .required {
+    color: red;
+  }
+
+  .cursor-pointer {
+    cursor: pointer;
+  }
+
+  .w {
+    &-100 {
+      width: 100%;
+    }
+
+    &-50 {
+      width: 50%;
+    }
+  }
+
+  .validation-message {
+    color: red;
+    position: absolute;
+    width: 100%;
+    height: 1em;
+    margin-top: 5px;
+    line-height: 1em;
+    font-size: 0.75em;
+    text-align: left;
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.spec.ts b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.spec.ts
new file mode 100644
index 000000000..3d138aff1
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.spec.ts
@@ -0,0 +1,70 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { CreateSnippetComponent } from './create-snippet.component';
+import { CreateSnippetModule } from './create-snippet.module';
+import { ActivatedRoute } from '@angular/router';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { SnippetService } from '../shared/services/snippet.service';
+import SpyObj = jasmine.SpyObj;
+import { of } from 'rxjs';
+
+describe('CreateSnippetComponent', () => {
+  let component: CreateSnippetComponent;
+  let fixture: ComponentFixture<CreateSnippetComponent>;
+  let snippetService: SpyObj<SnippetService>;
+  let activatedRoute: Partial<ActivatedRoute>;
+
+  beforeEach(async(() => {
+    activatedRoute = {
+      snapshot: {
+        params: {}
+      }
+    } as any;
+
+    snippetService = jasmine.createSpyObj('snippetService', ['fetchPR']);
+
+    TestBed.configureTestingModule({
+      imports: [CreateSnippetModule, NoopAnimationsModule],
+      providers: [
+        {
+          provide: ActivatedRoute,
+          useFactory: () => activatedRoute
+        },
+        {
+          provide: SnippetService,
+          useValue: snippetService
+        }
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {});
+
+  xit('should create', () => {
+    const repoName = 'name';
+    const repoOwner = 'PIKACHU';
+    const pullNumber = 689;
+
+    activatedRoute = {
+      snapshot: {
+        params: {
+          pullNumber,
+          repoName,
+          repoOwner
+        }
+      }
+    } as any;
+
+    snippetService.fetchPR.and.returnValue(of({}));
+
+    fixture = TestBed.createComponent(CreateSnippetComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+
+    expect(snippetService.fetchPR).toHaveBeenCalledWith(
+      repoName,
+      repoOwner,
+      pullNumber
+    );
+  });
+});
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.ts b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.ts
new file mode 100644
index 000000000..9935a4f78
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.component.ts
@@ -0,0 +1,219 @@
+import {
+  ChangeDetectionStrategy,
+  ChangeDetectorRef,
+  Component,
+  ElementRef,
+  OnDestroy,
+  ViewChild
+} from '@angular/core';
+import { FormBuilder, Validators } from '@angular/forms';
+import { ActivatedRoute } from '@angular/router';
+import {
+  MatAutocomplete,
+  MatAutocompleteSelectedEvent
+} from '@angular/material/autocomplete';
+import { MatChipInputEvent } from '@angular/material/chips';
+import { MatDialog } from '@angular/material/dialog';
+import { COMMA, ENTER } from '@angular/cdk/keycodes';
+import { Observable } from 'rxjs/internal/Observable';
+import { finalize, map } from 'rxjs/operators';
+import { ReplaySubject } from 'rxjs/internal/ReplaySubject';
+import { SnippetOverviewComponent } from './snippet-modal/snippet-overview.component';
+import {
+  angularSampleCode,
+  LINKS_PLACEHOLDER,
+  MARKDOWN_PLACEHOLDER,
+  TAGS_LIST
+} from '../shared';
+import { SnippetService } from '../shared/services/snippet.service';
+import {
+  markFormControlsAsTouched,
+  validatorMaxLines,
+  validatorMaxTags
+} from '../shared/functions/validation';
+import { parseSnippet } from '../shared/functions/parse-snippet';
+import { SEPARATOR } from '../shared/consts';
+
+interface SnippetFileInfo {
+  sha: string;
+  fileName: string;
+  snippet: string;
+  branchName: string;
+}
+
+function importSnippet(snippet) {
+  const result = { ...snippet };
+  result.links = (result.links || []).join(SEPARATOR);
+  return result;
+}
+
+@Component({
+  selector: 'codelab-create-snippet',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  templateUrl: './create-snippet.component.html',
+  styleUrls: ['./create-snippet.component.scss']
+})
+export class CreateSnippetComponent implements OnDestroy {
+  @ViewChild('tagInput', { static: false }) tagInput: ElementRef<
+    HTMLInputElement
+  >;
+  @ViewChild('auto', { static: false }) matAutocomplete: MatAutocomplete;
+
+  repoName: string;
+  repoOwner: string;
+
+  destroy = new ReplaySubject<void>(1);
+
+  isLoading = false;
+  isEditing = false;
+  snippetFileInfo: SnippetFileInfo;
+
+  TAGS_LIST = TAGS_LIST;
+  tags: string[] = ['tip'];
+  filteredTags: Observable<string[]>;
+
+  snippetForm = this.fb.group({
+    title: ['', Validators.required],
+    twitter: [''],
+    level: ['beginner', Validators.required],
+    tags: [this.tags, [Validators.required, validatorMaxTags(5)]],
+    content: [
+      MARKDOWN_PLACEHOLDER,
+      [Validators.required, validatorMaxLines(25)]
+    ],
+    bonus: [''],
+    links: [LINKS_PLACEHOLDER],
+    demo: [angularSampleCode]
+  });
+
+  hasBonus = false;
+  hasLinks = false;
+  hasDemo = false;
+
+  separatorKeysCodes: number[] = [ENTER, COMMA];
+
+  constructor(
+    private fb: FormBuilder,
+    private cd: ChangeDetectorRef,
+    private activatedRoute: ActivatedRoute,
+    private snippetService: SnippetService,
+    public dialog: MatDialog
+  ) {
+    const pullNumber = this.activatedRoute.snapshot.params['pullNumber'];
+    this.repoName = this.activatedRoute.snapshot.params['repoName'];
+    this.repoOwner = this.activatedRoute.snapshot.params['repoOwner'];
+
+    if (pullNumber) {
+      this.isEditing = true;
+      this.fetchPR(pullNumber);
+    }
+
+    this.filteredTags = this.snippetForm
+      .get('tags')
+      .valueChanges.pipe(
+        map((tags: string) =>
+          tags ? this._filterTags(tags.slice(-1)[0]) : this.TAGS_LIST.slice()
+        )
+      );
+  }
+
+  fetchPR(pullNumber: number) {
+    this.isLoading = true;
+    this.snippetService
+      .fetchPR(this.repoName, this.repoOwner, pullNumber)
+      .pipe(
+        finalize(() => {
+          this.isLoading = false;
+          this.cd.markForCheck();
+        })
+      )
+      .subscribe((snippetFileInfo: SnippetFileInfo) => {
+        this.snippetFileInfo = snippetFileInfo;
+
+        const snippet = importSnippet(parseSnippet(snippetFileInfo.snippet));
+        if (snippet.demo) {
+          this.hasDemo = true;
+        }
+        if (snippet.bonus) {
+          this.hasBonus = true;
+        }
+        if (snippet.links) {
+          this.hasLinks = true;
+        }
+        this.snippetForm.patchValue(snippet);
+      });
+  }
+
+  ngOnDestroy() {
+    this.destroy.next(null);
+    this.destroy.complete();
+  }
+
+  openPreview() {
+    if (this.snippetForm.valid) {
+      this.dialog.open(SnippetOverviewComponent, {
+        data: {
+          formValue: this.getPreparedFormValue(this.snippetForm.value),
+          isEditing: this.isEditing,
+          fileInfo: this.snippetFileInfo
+            ? {
+                sha: this.snippetFileInfo['sha'],
+                fileName: this.snippetFileInfo['fileName'],
+                branchName: this.snippetFileInfo['branchName']
+              }
+            : null,
+          repoName: this.repoName,
+          repoOwner: this.repoOwner
+        }
+      });
+    } else {
+      markFormControlsAsTouched(this.snippetForm);
+    }
+  }
+
+  getPreparedFormValue(value) {
+    Object.keys(value['demo']).forEach(x => {
+      const isChangedAndNotEmpty =
+        this.hasDemo && value.demo[x] && value.demo[x] !== angularSampleCode[x];
+      value['demo'][x] = isChangedAndNotEmpty ? value.demo[x] : null;
+    });
+    value['bonus'] = this.hasBonus ? value['bonus'] : null;
+    value['links'] = this.hasLinks ? value['links'] : null;
+    return value;
+  }
+
+  addTag(event: MatChipInputEvent): void {
+    if (!this.matAutocomplete.isOpen) {
+      const input = event.input;
+      const value = event.value;
+      if ((value || '').trim()) {
+        this.tags.push(value.trim());
+      }
+      if (input) {
+        input.value = '';
+      }
+      this.snippetForm.get('tags').patchValue(this.tags);
+    }
+  }
+
+  removeTag(tag: string): void {
+    const index = this.tags.indexOf(tag);
+    if (index >= 0) {
+      this.tags.splice(index, 1);
+    }
+    this.snippetForm.get('tags').patchValue(this.tags);
+  }
+
+  selectedTags(event: MatAutocompleteSelectedEvent): void {
+    this.tags.push(event.option.viewValue);
+    this.tagInput.nativeElement.value = '';
+    this.snippetForm.get('tags').patchValue(this.tags);
+  }
+
+  private _filterTags(value: string): string[] {
+    const filterValue = value ? value.toLowerCase() : null;
+    return this.TAGS_LIST.filter(
+      tag => tag.toLowerCase().indexOf(filterValue) === 0
+    );
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.module.ts b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.module.ts
new file mode 100644
index 000000000..6cbab2a18
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/create-snippet.module.ts
@@ -0,0 +1,50 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { CreateSnippetComponent } from './create-snippet.component';
+import { SnippetInfoComponent } from './snippet-info/snippet-info.component';
+import { ReactiveFormsModule } from '@angular/forms';
+import { MatAutocompleteModule } from '@angular/material/autocomplete';
+import { MatButtonModule } from '@angular/material/button';
+import { MatChipsModule } from '@angular/material/chips';
+import { MatDialogModule } from '@angular/material/dialog';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatInputModule } from '@angular/material/input';
+import { MatSelectModule } from '@angular/material/select';
+import { MatSnackBarModule } from '@angular/material/snack-bar';
+import { MarkdownModule } from 'ngx-markdown';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { SnippetOverviewComponent } from './snippet-modal/snippet-overview.component';
+import { SnippetSpinnerComponent } from './snippet-spinner/snippet-spinner.component';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { RouterModule } from '@angular/router';
+
+const MAT_MODULES = [
+  MatButtonModule,
+  MatFormFieldModule,
+  MatChipsModule,
+  MatAutocompleteModule,
+  MatSelectModule,
+  MatInputModule,
+  MatDialogModule,
+  MatSnackBarModule
+];
+
+@NgModule({
+  declarations: [
+    CreateSnippetComponent,
+    SnippetInfoComponent,
+    SnippetOverviewComponent,
+    SnippetSpinnerComponent
+  ],
+  entryComponents: [SnippetOverviewComponent],
+  imports: [
+    ...MAT_MODULES,
+    CommonModule,
+    ReactiveFormsModule,
+    AngularFireAuthModule,
+    MarkdownModule.forRoot(),
+    CodeDemoModule,
+    RouterModule
+  ]
+})
+export class CreateSnippetModule {}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.html b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.html
new file mode 100644
index 000000000..54ffa270f
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.html
@@ -0,0 +1,3 @@
+<div class="snippets-info">
+  This form will generate a snippet request for you.
+</div>
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.scss b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.scss
new file mode 100644
index 000000000..0115567e8
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.scss
@@ -0,0 +1,58 @@
+:host {
+  .snippets-info {
+    float: right;
+    top: 40px;
+    max-width: 50%;
+    padding: 35px 35px 15px 35px;
+    margin-left: 30px;
+  }
+
+  .nav {
+    &-fixed-wrapper {
+      position: fixed;
+      right: 30px;
+      bottom: 30px;
+      z-index: 2000;
+    }
+
+    &-btn {
+      border-radius: 50%;
+      width: 45px;
+      height: 45px;
+      font-weight: bold;
+      display: table;
+      text-align: center;
+
+      box-shadow: 0 3px 7px rgba(0, 0, 0, 0.9);
+
+      &-go-up {
+        background: #213451;
+        color: white;
+        cursor: pointer;
+      }
+
+      p {
+        vertical-align: middle;
+        display: table-cell;
+      }
+    }
+  }
+
+  .animated {
+    animation-duration: 1s;
+  }
+
+  @keyframes fadeIn {
+    from {
+      opacity: 0;
+    }
+
+    to {
+      opacity: 1;
+    }
+  }
+
+  .fadeIn {
+    animation-name: fadeIn;
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.ts b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.ts
new file mode 100644
index 000000000..2d9116c31
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-info/snippet-info.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-snippet-info',
+  templateUrl: './snippet-info.component.html',
+  styleUrls: ['./snippet-info.component.scss']
+})
+export class SnippetInfoComponent {}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.html b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.html
new file mode 100644
index 000000000..766eef5d8
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.html
@@ -0,0 +1,20 @@
+<h1 mat-dialog-title>
+  Snippet Markdown
+</h1>
+<mat-dialog-content>
+  <markdown [data]="snippetWithFormat"></markdown>
+</mat-dialog-content>
+<div class="snippet-modal-footer">
+  <mat-dialog-actions>
+    <button mat-button (click)="this.dialogRef.close()">
+      Back to form
+    </button>
+    <button mat-button (click)="onSubmit()" cdkFocusInitial class="btn-submit">
+      {{ isEditing ? 'Edit' : 'Create' }} Snippet
+    </button>
+  </mat-dialog-actions>
+</div>
+
+<ng-container *ngIf="isPRCreating">
+  <codelab-snippet-spinner></codelab-snippet-spinner>
+</ng-container>
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.scss b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.scss
new file mode 100644
index 000000000..f6cd210b7
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.scss
@@ -0,0 +1,23 @@
+:host {
+  h1 {
+    color: #444;
+  }
+
+  .snippet-modal {
+    &-footer {
+      float: right;
+    }
+  }
+
+  .btn-submit {
+    float: right;
+    font-weight: 400;
+    text-align: center;
+    vertical-align: middle;
+    border: 1px solid #213451;
+    font-size: 14px;
+    color: #fff;
+    background-color: #213451;
+    cursor: pointer;
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.ts b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.ts
new file mode 100644
index 000000000..f10ff685d
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-modal/snippet-overview.component.ts
@@ -0,0 +1,157 @@
+import { Component, Inject, OnDestroy, OnInit } from '@angular/core';
+import { Router } from '@angular/router';
+import { AngularFireAuth } from '@angular/fire/auth';
+import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
+import { MatSnackBar } from '@angular/material/snack-bar';
+import { auth } from 'firebase/app';
+import { finalize, switchMap, take, takeUntil } from 'rxjs/operators';
+import { ReplaySubject } from 'rxjs/internal/ReplaySubject';
+import { SnippetService } from '../../shared/services/snippet.service';
+import { GitHubService } from '../../shared/services/github.service';
+import { generateSnippet } from '../../shared/functions/generate-snippet';
+import { SEPARATOR } from '../../shared/consts';
+
+interface SnippetOverviewData {
+  formValue: object;
+  isEditing: boolean;
+  fileInfo: {
+    sha: string;
+    fileName: string;
+    branchName: string;
+  };
+  repoName: string;
+  repoOwner: string;
+}
+
+function exportSnippet(snippet) {
+  const result = { ...snippet };
+  result.links = result.links ? result.links.split(SEPARATOR) : undefined;
+  result.author = result.author || '** Your github username will be here **';
+  result.bonus = result.bonus || undefined;
+  return result;
+}
+
+@Component({
+  selector: 'codelab-snippet-overview',
+  templateUrl: './snippet-overview.component.html',
+  styleUrls: ['./snippet-overview.component.scss']
+})
+export class SnippetOverviewComponent implements OnInit, OnDestroy {
+  destroy = new ReplaySubject<void>(1);
+
+  githubAuth;
+  isPRCreating = false;
+
+  isEditing: boolean;
+  snippet: string;
+  snippetWithFormat: string;
+
+  constructor(
+    public dialogRef: MatDialogRef<SnippetOverviewComponent>,
+    private afAuth: AngularFireAuth,
+    private snippetService: SnippetService,
+    private githubService: GitHubService,
+    private _snackBar: MatSnackBar,
+    private router: Router,
+    @Inject(MAT_DIALOG_DATA) public data: SnippetOverviewData
+  ) {}
+
+  ngOnInit() {
+    this.isEditing = this.data.isEditing;
+    this.snippet = generateSnippet(exportSnippet(this.data.formValue));
+    // This is a temporary hack.
+    // The version of markdown requires new lines between meta values, but github does not.
+    this.snippetWithFormat = this.snippet.replace(
+      /\n(title|author|twitter|level|tags|links):/g,
+      '\n\n$1:'
+    );
+  }
+
+  ngOnDestroy() {
+    this.destroy.next(null);
+    this.destroy.complete();
+  }
+
+  async onSubmit() {
+    console.log('You can copy the snippet here:\n', this.snippet);
+    this.isPRCreating = true;
+
+    if (!(this.githubAuth && this.githubAuth.credential)) {
+      await this.login();
+    }
+
+    if (this.isEditing) {
+      this.snippetService
+        .updatePR(
+          this.githubAuth,
+          this.snippet,
+          this.data.fileInfo,
+          this.data.repoName
+        )
+        .pipe(
+          finalize(() => (this.isPRCreating = false)),
+          takeUntil(this.destroy)
+        )
+        .subscribe(res =>
+          this.navigateAndShowSnackBar(
+            'Success',
+            'Snippet updated',
+            res['commit']['html_url']
+          )
+        );
+    } else {
+      this.snippetService
+        .createPR(
+          this.githubAuth,
+          this.snippet,
+          this.data.formValue['title'],
+          this.data.repoName,
+          this.data.repoOwner
+        )
+        .pipe(
+          switchMap(res =>
+            this.githubService.addLinkToEditForm(
+              this.data.repoOwner,
+              this.data.repoName,
+              res['number']
+            )
+          ),
+          switchMap(res =>
+            this.githubService.addSnippetLabel(
+              this.data.repoOwner,
+              this.data.repoName,
+              res['number']
+            )
+          ),
+          finalize(() => (this.isPRCreating = false)),
+          takeUntil(this.destroy)
+        )
+        .subscribe(res =>
+          this.navigateAndShowSnackBar(
+            'Pull request created',
+            res['title'].replace('Add - new snippet: ', ''),
+            res['html_url']
+          )
+        );
+    }
+  }
+
+  navigateAndShowSnackBar(text: string, linkLabel: string, linkUrl: string) {
+    this.dialogRef.close();
+    this.router.navigate(['list']);
+    const snakeBarRef = this._snackBar.open(text, linkLabel, {
+      duration: 20000
+    });
+    snakeBarRef
+      .onAction()
+      .pipe(take(1))
+      .subscribe(() => window.open(linkUrl));
+  }
+
+  async login() {
+    const provider = new auth.GithubAuthProvider().addScope('repo');
+    this.githubAuth = await this.afAuth.auth.signInWithPopup(provider);
+    this.data.formValue['author'] = this.githubAuth.additionalUserInfo.username;
+    this.snippet = generateSnippet(exportSnippet(this.data.formValue));
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.html b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.html
new file mode 100644
index 000000000..b12fe4427
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.html
@@ -0,0 +1,10 @@
+<div class="spinner-back-ground">
+  <div class="centered-spinner">
+    <div class="preload">
+      <div></div>
+      <div></div>
+      <div></div>
+      <div></div>
+    </div>
+  </div>
+</div>
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.scss b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.scss
new file mode 100644
index 000000000..ab4423af9
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.scss
@@ -0,0 +1,73 @@
+.spinner-back-ground {
+  position: fixed;
+  width: 100%;
+  left: 0;
+  right: 0;
+  top: 0;
+  bottom: 0;
+  background-color: rgba(0, 0, 0, 0.2);
+  z-index: 9999;
+}
+
+.centered-spinner {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 100vw;
+  height: 100vh;
+}
+
+.preload {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  /*change these sizes to fit into your project*/
+  width: 100px;
+  height: 100px;
+}
+
+.preload div {
+  border: 0;
+  margin: 0;
+  width: 40%;
+  height: 40%;
+  position: absolute;
+  border-radius: 50%;
+  animation: spin 2s ease infinite;
+}
+
+.preload :first-child {
+  background: #19a68c;
+  animation-delay: -1.5s;
+}
+
+.preload :nth-child(2) {
+  background: #f63d3a;
+  animation-delay: -1s;
+}
+
+.preload :nth-child(3) {
+  background: #fda543;
+  animation-delay: -0.5s;
+}
+
+.preload :last-child {
+  background: #193b48;
+}
+
+@keyframes spin {
+  0%,
+  100% {
+    transform: translate(0);
+  }
+  25% {
+    transform: translate(160%);
+  }
+  50% {
+    transform: translate(160%, 160%);
+  }
+  75% {
+    transform: translate(0, 160%);
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.ts b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.ts
new file mode 100644
index 000000000..d66eb393b
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/create-snippet/snippet-spinner/snippet-spinner.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-snippet-spinner',
+  templateUrl: './snippet-spinner.component.html',
+  styleUrls: ['./snippet-spinner.component.scss']
+})
+export class SnippetSpinnerComponent {}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.html b/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.html
new file mode 100644
index 000000000..a47a9a204
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.html
@@ -0,0 +1,68 @@
+<div class="container">
+  <div class="flex-header">
+    <h1>Open pull requests</h1>
+    <button
+      mat-raised-button
+      color="accent"
+      class="align-center"
+      [routerLink]="['/new', repoName, repoOwner]"
+    >
+      Create new snippet
+    </button>
+  </div>
+
+  <table
+    *ngIf="pullsList$ | async as pullsList; else loading"
+    mat-table
+    [dataSource]="pullsList"
+  >
+    <ng-container matColumnDef="number">
+      <th mat-header-cell *matHeaderCellDef>#</th>
+      <td mat-cell *matCellDef="let item" class="mat-cell-padding">
+        {{ item.number }}
+      </td>
+    </ng-container>
+    <ng-container matColumnDef="title">
+      <th mat-header-cell *matHeaderCellDef>Title</th>
+      <td mat-cell *matCellDef="let item" class="mat-cell-padding">
+        <a
+          href="https://github.com/{{ repoOwner }}/{{ repoName }}/pull/{{
+            item.number
+          }}"
+          target="_blank"
+          >{{ item.title }}</a
+        >
+      </td>
+    </ng-container>
+    <ng-container matColumnDef="login">
+      <th mat-header-cell *matHeaderCellDef>Author</th>
+      <td mat-cell *matCellDef="let item" class="mat-cell-padding">
+        {{ item.user.login }}
+      </td>
+    </ng-container>
+    <ng-container matColumnDef="created_at">
+      <th mat-header-cell *matHeaderCellDef>Creation Date</th>
+      <td mat-cell *matCellDef="let item" class="mat-cell-padding">
+        {{ item.created_at | date: 'MM/dd/yyyy' }}
+      </td>
+    </ng-container>
+    <ng-container matColumnDef="action">
+      <th mat-header-cell *matHeaderCellDef>Action</th>
+      <td mat-cell *matCellDef="let item" class="mat-cell-padding">
+        <button
+          mat-button
+          color="warn"
+          [routerLink]="['/new', repoName, repoOwner, item['number']]"
+        >
+          Edit
+        </button>
+      </td>
+    </ng-container>
+    <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
+    <tr mat-row *matRowDef="let row; columns: displayedColumns"></tr>
+  </table>
+</div>
+
+<ng-template #loading>
+  loading ...
+</ng-template>
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.scss b/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.scss
new file mode 100644
index 000000000..f6d1ff26c
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.scss
@@ -0,0 +1,27 @@
+h1 {
+  color: #444;
+}
+
+.container {
+  max-width: 850px;
+  padding: 0 15px 30px 15px;
+  margin: 0 auto;
+  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
+}
+
+table {
+  width: 100%;
+}
+
+.mat-cell-padding {
+  padding: 0 5px;
+}
+
+.flex-header {
+  display: flex;
+  justify-content: space-between;
+}
+
+.align-center {
+  align-self: center;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.ts b/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.ts
new file mode 100644
index 000000000..54ccb339b
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/pull-requests-list/pull-requests-list.component.ts
@@ -0,0 +1,22 @@
+import { Component } from '@angular/core';
+import { Router } from '@angular/router';
+import { GitHubService } from '../shared/services/github.service';
+
+const REPO_OWNER = 'nycJSorg';
+const REPO_NAME = '30-seconds-of-angular';
+
+@Component({
+  selector: 'codelab-pull-requests-list',
+  templateUrl: './pull-requests-list.component.html',
+  styleUrls: ['./pull-requests-list.component.scss']
+})
+export class PullRequestsListComponent {
+  repoOwner = REPO_OWNER;
+  repoName = REPO_NAME;
+
+  pullsList$ = this.githubService.getPullsList(this.repoOwner, this.repoName);
+
+  displayedColumns = ['number', 'title', 'login', 'created_at', 'action'];
+
+  constructor(private router: Router, private githubService: GitHubService) {}
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/angular-sample.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/angular-sample.ts
new file mode 100644
index 000000000..fa1e5e82b
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/angular-sample.ts
@@ -0,0 +1,26 @@
+export const angularSampleCode = {
+  'app.component.ts': `import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Edit me </h1>\`
+})
+export class AppComponent {}`,
+  'app.module.ts': `import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}`,
+
+  'main.ts': `import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app.module';
+
+platformBrowserDynamic().bootstrapModule(AppModule);
+`,
+  'index.html': '<my-app></my-app>'
+};
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/constants.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/constants.ts
new file mode 100644
index 000000000..a0e564c1d
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/constants.ts
@@ -0,0 +1,24 @@
+export const MARKDOWN_PLACEHOLDER = `
+You can use markdown here.\n
+Highlight \`important terms\` with backticks.\n
+For examples use:
+\`\`\`typescript
+const language = 'English';
+function theLanguageISpeak(language) {
+  // English? No, only typescript!
+  return 'typescript'
+}
+\`\`\``;
+
+export const TAGS_LIST = [
+  'components',
+  'tip',
+  'forms',
+  'templates',
+  'styling',
+  'routing',
+  'performance'
+];
+
+export const LINKS_PLACEHOLDER = `https://angular.io/
+https://www.typescriptlang.org/`;
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/consts.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/consts.ts
new file mode 100644
index 000000000..beddfd27e
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/consts.ts
@@ -0,0 +1 @@
+export const SEPARATOR = '\n';
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/generate-snippet.spec.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/generate-snippet.spec.ts
new file mode 100644
index 000000000..3e9828c6a
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/generate-snippet.spec.ts
@@ -0,0 +1,30 @@
+import { testSnippetMd, testSnippetParsed } from './test-data/snippet';
+import { generateSnippet } from './generate-snippet';
+
+describe('GenerateSnippet', () => {
+  it('generates a simple snippet', () => {
+    const actual = generateSnippet(testSnippetParsed);
+    expect(actual).toEqual(testSnippetMd);
+  });
+
+  it('generates a snippet without demo', () => {
+    const testSnippet = { ...testSnippetParsed };
+    delete testSnippet.demo;
+    const actual = generateSnippet(testSnippet);
+    expect(actual).not.toContain('file:');
+  });
+
+  it('generates a snippet without bonus', () => {
+    const testSnippet = { ...testSnippetParsed };
+    delete testSnippet.bonus;
+    const actual = generateSnippet(testSnippet);
+    expect(actual).not.toContain('bonus');
+  });
+
+  it('generates a snippet without links', () => {
+    const testSnippet = { ...testSnippetParsed };
+    delete testSnippet.links;
+    const actual = generateSnippet(testSnippet);
+    expect(actual).not.toContain('links');
+  });
+});
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/generate-snippet.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/generate-snippet.ts
new file mode 100644
index 000000000..cd93efef5
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/generate-snippet.ts
@@ -0,0 +1,105 @@
+import { Snippet } from '../interfaces/snippet';
+import { angularSampleCode } from '../angular-sample';
+import { SEPARATOR } from '../consts';
+
+const config = {
+  header: ['title', 'author', 'twitter', 'level', 'links', 'tags'],
+  body: ['content', 'bonus']
+};
+
+function arrayToMarkdownList(tagsArray: Array<string>): string {
+  return tagsArray
+    .filter(a => a)
+    .map(x => `- ${x}`)
+    .join(`\n`);
+}
+
+function generateMdHeader(keys: string[], snippet: Snippet) {
+  return keys
+    .map(key => ({
+      key,
+      value: snippet[key]
+    }))
+    .filter(({ value }) => !!value)
+    .map(({ value, key }) => {
+      if (typeof value === 'string') {
+        return `${key}: ${value}`;
+      }
+      if (Array.isArray(value)) {
+        return `${key}:
+${arrayToMarkdownList(value)}`;
+      }
+      throw new Error(key + 'is not a real key');
+    })
+    .join(SEPARATOR);
+}
+
+const ucFirst = s => {
+  if (typeof s !== 'string') {
+    return '';
+  }
+  return s.charAt(0).toUpperCase() + s.slice(1);
+};
+
+const extensionTolanguage = {
+  ts: 'typescript',
+  js: 'javascript'
+};
+
+function getFileLanguage(fileName) {
+  const fileExtension =
+    fileName.substring(fileName.lastIndexOf('.') + 1, fileName.length) ||
+    fileName;
+  return extensionTolanguage[fileExtension] || fileExtension;
+}
+
+/**
+ * Drop markdown "```language```" from the code
+ */
+function addMarkdownLanguageMark(code: string, filename: string) {
+  return `\`\`\`${getFileLanguage(filename)}
+${code}
+\`\`\``;
+}
+
+function generateMdBody(keys: string[], snippet: Snippet) {
+  return keys
+    .map(key => ({
+      key,
+      value: snippet[key]
+    }))
+    .filter(({ value, key }) => !!value)
+    .map(({ value, key }) => {
+      return `# ${ucFirst(key)}
+${value}
+`;
+    })
+    .join(SEPARATOR);
+}
+
+function generateDemo(snippet) {
+  if (!snippet.demo) {
+    return '';
+  }
+
+  return (
+    Object.entries(snippet.demo)
+      .filter(([key, value]) => value && value !== angularSampleCode[key])
+      .map(([key, value]) => {
+        return `# file:${key}
+${addMarkdownLanguageMark(value.toString(), key)}`;
+      })
+      .join(SEPARATOR) + SEPARATOR
+  );
+}
+
+export function generateSnippet(snippet: Snippet) {
+  const header = generateMdHeader(config.header, snippet);
+  const body = generateMdBody(config.body, snippet);
+  const demo = generateDemo(snippet);
+  return `---
+${header}
+---
+${body}
+${demo}`;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/parse-snippet.spec.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/parse-snippet.spec.ts
new file mode 100644
index 000000000..ac4dd9889
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/parse-snippet.spec.ts
@@ -0,0 +1,40 @@
+import { parseSnippet } from './parse-snippet';
+import {
+  testSnippetEdgeCases,
+  testSnippetMd,
+  testSnippetMinimal,
+  testSnippetParsed
+} from './test-data/snippet';
+
+describe('ParseSnippet', () => {
+  it('parses a simple snippet', () => {
+    const actual = parseSnippet(testSnippetMd);
+    expect(actual).toEqual(testSnippetParsed);
+  });
+
+  it('testSnippetMinimal', () => {
+    const actual = parseSnippet(testSnippetMinimal);
+    expect(actual.bonus).toBe('');
+    expect(actual.links).toEqual(undefined);
+    expect(actual.demo).toEqual(undefined);
+    expect(actual.content).toEqual('Content');
+  });
+
+  it('works when file names have spaces', () => {
+    const actual = parseSnippet(testSnippetEdgeCases);
+
+    expect(actual.demo).toEqual({
+      'app.component.ts':
+        "import { Component } from '@angular/core';\n\n@Component({\n  selector: 'my-app',\n  template: `<h1>Edit me </h1>`\n})\nexport class AppComponent {}",
+      'app.module.ts':
+        "import { BrowserModule } from '@angular/platform-browser';\nimport { NgModule } from '@angular/core';\nimport { AppComponent } from './app.component';\n" +
+        '\n@NgModule({\n  imports: [BrowserModule],\n  declarations: [AppComponent],\n' +
+        '  bootstrap: [AppComponent]\n})\nexport class AppModule {}',
+      'main.ts':
+        "import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\nimport { AppModule } from './app.module';" +
+        '\n\nplatformBrowserDynamic().bootstrapModule(AppModule);\n',
+      'index.html': '<my-app></my-app>',
+      'app.svg': '<circle r=100 fill=red></circle>'
+    });
+  });
+});
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/parse-snippet.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/parse-snippet.ts
new file mode 100644
index 000000000..14a75dbb4
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/parse-snippet.ts
@@ -0,0 +1,98 @@
+import { angularSampleCode } from '../angular-sample';
+
+// @ts-ignore
+// If you delete this you get a run time error.
+// This is needed for gray-matter
+window.Buffer = {
+  from() {}
+};
+
+// @ts-ignore
+const matter = require('gray-matter');
+
+/**
+ *
+ * Takes markdown and returns content.
+ * e.g. input:
+ *
+ * # LOL
+ * 1
+ * # HI
+ * 2
+ *
+ * result:
+ *
+ * {LOL: "1", HI: "2"}
+ */
+function extractHeaders(str) {
+  const match = ('\n' + str + '\n#').match(/\n#+.*\n[\s\S]*?(?=\n#)/g);
+  return !match
+    ? { content: str }
+    : match.reduce((result, a) => {
+        const [, header, content] = a.match(/^\n#+(.*)\n([\s\S]*)$/);
+        result[header.trim().toLocaleLowerCase()] = content.trim();
+        return result;
+      }, {});
+}
+
+/**
+ *
+ * Takes markdown and returns content.
+ * e.g. input:
+ *
+ * ---
+ * title: Hello
+ * tags:
+ * - tips
+ * - good-to-know
+ * ---
+ *
+ * # LOL
+ * 1
+ * # HI
+ * 2
+ *
+ * result:
+ *
+ * {title: "Hello", tags: ["tips", "good-to-know"], LOL: "1", HI: "2"}
+ *
+ */
+function mdTextToJson(snippet: string) {
+  const metaData = matter(snippet);
+  return { ...extractHeaders(metaData.content), ...metaData.data };
+}
+
+/**
+ * Drop markdown "```language```" from the code
+ */
+function stripMarkdownLanguageMark(code = '') {
+  return code.replace(/```\w+\n/, '').replace(/\n```/, '');
+}
+
+function normalize(text) {
+  return text ? text.replace(/↵/g, '\n') : '';
+}
+
+export function parseSnippet(snippetBody: string) {
+  const snippet = mdTextToJson(snippetBody);
+  snippet.content = normalize(snippet.content);
+  snippet.bonus = normalize(snippet.bonus);
+
+  const demoFiles = Object.entries(snippet)
+    .filter(([key]) => key.startsWith('file:'))
+    .reduce((files, [key, value]) => {
+      files[key.replace(/^file:/, '').trim()] = stripMarkdownLanguageMark(
+        value.toString()
+      );
+      return files;
+    }, {});
+
+  if (Object.keys(demoFiles).length) {
+    snippet.demo = {
+      ...angularSampleCode,
+      ...demoFiles
+    };
+  }
+
+  return snippet;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/test-data/snippet.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/test-data/snippet.ts
new file mode 100644
index 000000000..6194ec450
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/test-data/snippet.ts
@@ -0,0 +1,84 @@
+export const testSnippetMd = `---
+title: title
+author: author
+twitter: kirjs
+level: intermediate
+links:
+- gogel.com
+- 123.com
+tags:
+- tip
+---
+# Content
+Content
+
+# Bonus
+Wow bonus
+
+# file:app.component.ts
+\`\`\`typescript
+import { Component } from '@angular/core';
+ @Component({
+  selector: 'my-app',
+  templateUrl: './app.svg'
+})
+export class AppComponent {}
+\`\`\`
+# file:app.svg
+\`\`\`svg
+<circle r=100 fill=red></circle>
+\`\`\`
+`;
+
+export const testSnippetParsed = {
+  content: 'Content',
+  bonus: 'Wow bonus',
+  'file:app.component.ts':
+    "```typescript\nimport { Component } from '@angular/core';\n @Component({\n  selector: 'my-app',\n  templateUrl: './app.svg'\n})\nexport class AppComponent {}\n```",
+  'file:app.svg': '```svg\n<circle r=100 fill=red></circle>\n```',
+  title: 'title',
+  author: 'author',
+  twitter: 'kirjs',
+  level: 'intermediate',
+  links: ['gogel.com', '123.com'],
+  tags: ['tip'],
+  demo: {
+    'app.component.ts':
+      "import { Component } from '@angular/core';\n @Component({\n  selector: 'my-app',\n  templateUrl: './app.svg'\n})\nexport class AppComponent {}",
+    'app.module.ts':
+      "import { BrowserModule } from '@angular/platform-browser';\nimport { NgModule } from '@angular/core';\nimport { AppComponent } from './app.component';\n" +
+      '\n@NgModule({\n  imports: [BrowserModule],\n  declarations: [AppComponent],\n  bootstrap: [AppComponent]\n})\nexport class AppModule {}',
+    'main.ts':
+      "import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\nimport { AppModule } from './app.module';\n\nplatformBrowserDynamic().bootstrapModule(AppModule);\n",
+    'index.html': '<my-app></my-app>',
+    'app.svg': '<circle r=100 fill=red></circle>'
+  }
+};
+
+export const testSnippetMinimal = `---
+title: title
+author: author
+twitter: kirjs
+level: intermediate
+tags:
+- tip
+---
+# Content
+Content`;
+
+export const testSnippetEdgeCases = `---
+title: title
+author: author
+twitter: kirjs
+level: intermediate
+tags:
+- tip
+---
+# Content
+Content
+
+# file: app.svg
+\`\`\`svg
+<circle r=100 fill=red></circle>
+\`\`\`
+`;
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/validation/index.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/validation/index.ts
new file mode 100644
index 000000000..4d5ffa36a
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/validation/index.ts
@@ -0,0 +1 @@
+export * from './validation';
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/validation/validation.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/validation/validation.ts
new file mode 100644
index 000000000..62d73bd26
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/functions/validation/validation.ts
@@ -0,0 +1,30 @@
+import { FormArray, FormControl, FormGroup } from '@angular/forms';
+import { AbstractControl } from '@angular/forms';
+
+export function markFormControlsAsTouched(
+  formGroup: FormGroup | FormArray
+): void {
+  Object.values(formGroup.controls).forEach(control => {
+    if (control instanceof FormControl) {
+      control.markAsTouched({ onlySelf: true });
+    } else if (control instanceof FormGroup || control instanceof FormArray) {
+      markFormControlsAsTouched(control);
+    }
+  });
+}
+
+export function validatorMaxTags(maximumTags: number) {
+  return (control: AbstractControl) => {
+    return Array.isArray(control.value) && control.value.length > maximumTags
+      ? { tagsError: `Number of tags should be below ${maximumTags + 1}` }
+      : null;
+  };
+}
+
+export function validatorMaxLines(lines: number) {
+  return (control: AbstractControl) => {
+    return control.value.split('\n').length > lines
+      ? { linesError: `This field shouldn't have more than ${lines} lines` }
+      : null;
+  };
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/index.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/index.ts
new file mode 100644
index 000000000..47429c854
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/index.ts
@@ -0,0 +1,2 @@
+export * from './angular-sample';
+export * from './constants';
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/branch.interface.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/branch.interface.ts
new file mode 100644
index 000000000..b549864e4
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/branch.interface.ts
@@ -0,0 +1,10 @@
+export interface Branch {
+  ref: string;
+  node_id: string;
+  url: string;
+  object: {
+    type: string;
+    sha: string;
+    url: string;
+  };
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/commit-info.interface.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/commit-info.interface.ts
new file mode 100644
index 000000000..0078d4807
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/commit-info.interface.ts
@@ -0,0 +1,6 @@
+export interface CommitInfo {
+  message: string;
+  content: string;
+  branchName: string;
+  filePath: string;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/github-auth.interface.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/github-auth.interface.ts
new file mode 100644
index 000000000..20999beaf
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/github-auth.interface.ts
@@ -0,0 +1,10 @@
+import { User } from './user.interface';
+
+export interface GithubAuth {
+  additionalUserInfo: {
+    profile: User;
+  };
+  credential: {
+    accessToken: string;
+  };
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/index.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/index.ts
new file mode 100644
index 000000000..2a353af9c
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/index.ts
@@ -0,0 +1,6 @@
+export * from './branch.interface';
+export * from './github-auth.interface';
+export * from './repo.interface';
+export * from './user.interface';
+export * from './pull-request.intreface';
+export * from './commit-info.interface';
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/pull-request.intreface.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/pull-request.intreface.ts
new file mode 100644
index 000000000..78246e8ce
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/pull-request.intreface.ts
@@ -0,0 +1,11 @@
+export interface CreatePullRequest {
+  title: string;
+  body: string;
+  branchName: string;
+  labels?: Array<string>;
+}
+
+export interface PullRequest {
+  title: string;
+  html_url: string;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/repo.interface.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/repo.interface.ts
new file mode 100644
index 000000000..e64c77626
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/repo.interface.ts
@@ -0,0 +1,7 @@
+export interface Repo {
+  name: string;
+  full_name: string;
+  sha: string;
+  url: string;
+  git_refs_url: string;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/snippet.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/snippet.ts
new file mode 100644
index 000000000..05b294c8c
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/snippet.ts
@@ -0,0 +1 @@
+export type Snippet = Record<string, any>;
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/user.interface.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/user.interface.ts
new file mode 100644
index 000000000..c8c6cf937
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/interfaces/user.interface.ts
@@ -0,0 +1,4 @@
+export interface User {
+  login: string;
+  repos_url: string;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/github.service.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/github.service.ts
new file mode 100644
index 000000000..3bf2616bb
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/github.service.ts
@@ -0,0 +1,237 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { MatSnackBar } from '@angular/material/snack-bar';
+import { Observable } from 'rxjs/internal/Observable';
+import { catchError, map } from 'rxjs/operators';
+import { throwError } from 'rxjs/internal/observable/throwError';
+import { MonoTypeOperatorFunction } from 'rxjs/internal/types';
+import {
+  Branch,
+  CommitInfo,
+  CreatePullRequest,
+  Repo,
+  User
+} from '../interfaces';
+
+// TODO work on github api names
+// Here is an example link: https://github.com/github-tools/github
+
+@Injectable({
+  providedIn: 'root'
+})
+export class GitHubService {
+  private apiGithubUrl = 'https://api.github.com';
+  private options: object;
+
+  constructor(private http: HttpClient, private _snackBar: MatSnackBar) {}
+
+  showSnackbarOnError<T>(message: string): MonoTypeOperatorFunction<T> {
+    return catchError(() => {
+      this._snackBar.open(message, '', { duration: 10000 });
+      return throwError(new Error(message));
+    });
+  }
+
+  setToken(token: string) {
+    this.options = { headers: { Authorization: `token ${token}` } };
+  }
+
+  getRepo(owner: string, repoName: string): Observable<Repo> {
+    requires(owner, 'Owner is required');
+    requires(repoName, 'Repo name is required');
+
+    const requestUrl = `${this.apiGithubUrl}/repos/${owner}/${repoName}`;
+    return this.http
+      .get<Repo>(requestUrl, this.options)
+      .pipe(this.showSnackbarOnError("Can't get repo"));
+  }
+
+  getMyRepos(user: User): Observable<Repo[]> {
+    requires(user, 'User is required');
+
+    return this.http
+      .get<Repo[]>(user.repos_url, this.options)
+      .pipe(this.showSnackbarOnError("Can't fetch user repos"));
+  }
+
+  forkRepo(repo: Repo): Observable<Repo> {
+    requires(repo, 'Repository is required');
+
+    const requestUrl = `${this.apiGithubUrl}/repos/${repo.full_name}/forks`;
+    return this.http
+      .post<Repo>(requestUrl, {}, this.options)
+      .pipe(this.showSnackbarOnError("Can't fork 30 secs repo"));
+  }
+
+  getMasterBranch(repo: Repo): Observable<Branch> {
+    requires(repo, 'Repository is required');
+
+    const requestUrl = `${this.apiGithubUrl}/repos/${repo.full_name}/git/refs/heads/master`;
+    return this.http
+      .get<Branch>(requestUrl, this.options)
+      .pipe(
+        this.showSnackbarOnError(
+          `Can't fetch master branch of ${repo.full_name}`
+        )
+      );
+  }
+
+  createBranch(
+    repo: Repo,
+    baseBranch: Branch,
+    branchName: string
+  ): Observable<Branch> {
+    requires(repo, 'Repository is required');
+    requires(baseBranch, 'Base branch is required');
+    requires(branchName, 'Branch name is required');
+
+    const requestUrl = `${this.apiGithubUrl}/repos/${repo.full_name}/git/refs`;
+    const branchRef = `refs/heads/${branchName}`;
+    const requestData = {
+      ref: branchRef,
+      sha: baseBranch.object.sha
+    };
+
+    return this.http
+      .post<Branch>(requestUrl, requestData, this.options)
+      .pipe(
+        this.showSnackbarOnError(
+          `Can't create branch ${branchName} of base branch ${baseBranch.object.url}`
+        )
+      );
+  }
+
+  createCommit(repo: Repo, commitInfo: CommitInfo): Observable<any> {
+    requires(repo, 'Repository is required');
+    requires(commitInfo, 'Commit is required');
+
+    const requestUrl = `${this.apiGithubUrl}/repos/${repo.full_name}/${commitInfo.filePath}`;
+    const requestData = {
+      message: commitInfo.message,
+      branch: commitInfo.branchName,
+      content: commitInfo.content
+    };
+
+    return this.http
+      .put(requestUrl, requestData, this.options)
+      .pipe(this.showSnackbarOnError("Can't create commit"));
+  }
+
+  createPullRequest(
+    repo: Repo,
+    user: User,
+    pullRequest: CreatePullRequest
+  ): Observable<any> {
+    requires(repo, 'Repository is required');
+    requires(user, 'User is required');
+    requires(pullRequest, 'Pull request is required');
+
+    const requestUrl = `${this.apiGithubUrl}/repos/${repo.full_name}/pulls`;
+    const requestData = {
+      title: pullRequest.title,
+      head: `${user.login}:${pullRequest.branchName}`,
+      base: 'master',
+      body: pullRequest.body,
+      labels: pullRequest.labels
+    };
+
+    return this.http
+      .post(requestUrl, requestData, this.options)
+      .pipe(this.showSnackbarOnError("Can't create pull request"));
+  }
+
+  getPullsList(owner: string, repoName: string): Observable<any> {
+    return this.http
+      .get<any>(
+        `${this.apiGithubUrl}/repos/${owner}/${repoName}/pulls`,
+        this.options
+      )
+      .pipe(
+        map(res =>
+          res.filter(
+            x =>
+              x['labels'].length &&
+              x['labels'].map(y => y['name']).indexOf('snippet') > -1
+          )
+        ),
+        this.showSnackbarOnError("Can't fetch user repos")
+      );
+  }
+
+  getPullByPullNumber(
+    owner: string,
+    repoName: string,
+    pullNumber: number
+  ): Observable<any> {
+    return this.http
+      .get<any>(
+        `${this.apiGithubUrl}/repos/${owner}/${repoName}/pulls/${pullNumber}`,
+        this.options
+      )
+      .pipe(this.showSnackbarOnError("Can't get pull request"));
+  }
+
+  addLinkToEditForm(
+    owner: string,
+    repoName: string,
+    pullNumber: number
+  ): Observable<any> {
+    return this.http
+      .patch<any>(
+        `${this.apiGithubUrl}/repos/${owner}/${repoName}/pulls/${pullNumber}`,
+        {
+          body: `Here you can edit snippet content: https://30.codelab.fun/new/${pullNumber}`
+        },
+        this.options
+      )
+      .pipe(this.showSnackbarOnError("Can't update pull request"));
+  }
+
+  addSnippetLabel(owner: string, repoName: string, issueNumber: number) {
+    return this.http
+      .patch<any>(
+        `${this.apiGithubUrl}/repos/${owner}/${repoName}/issues/${issueNumber}`,
+        { labels: ['snippet'] },
+        this.options
+      )
+      .pipe(this.showSnackbarOnError("Can't get issues list"));
+  }
+
+  getPullFileByPullNumber(
+    owner: string,
+    repoName: string,
+    pullNumber: number
+  ): Observable<any> {
+    return this.http
+      .get<any>(
+        `${this.apiGithubUrl}/repos/${owner}/${repoName}/pulls/${pullNumber}/files`,
+        this.options
+      )
+      .pipe(this.showSnackbarOnError("Can't get pull request file"));
+  }
+
+  getSnippetBody(url) {
+    return this.http
+      .get<any>(url, this.options)
+      .pipe(this.showSnackbarOnError("Can't get snippet body"));
+  }
+
+  updateFile(repoFullName, snippetData, fileInfo): Observable<any> {
+    const requestUrl = `${this.apiGithubUrl}/repos/${repoFullName}/contents/${fileInfo['fileName']}`;
+    const requestPayload = {
+      message: `Snippet Update`,
+      content: btoa(snippetData),
+      sha: fileInfo['sha'],
+      branch: fileInfo['branchName']
+    };
+    return this.http
+      .put<any>(requestUrl, requestPayload, this.options)
+      .pipe(this.showSnackbarOnError('Cannot update file'));
+  }
+}
+
+function requires(expression: any, message: string) {
+  if (!expression) {
+    throw new Error(message);
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/snippet.service.spec.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/snippet.service.spec.ts
new file mode 100644
index 000000000..cb314792f
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/snippet.service.spec.ts
@@ -0,0 +1,70 @@
+import { TestBed } from '@angular/core/testing';
+import { SnippetService } from './snippet.service';
+import { GitHubService } from './github.service';
+import { of } from 'rxjs';
+import SpyObj = jasmine.SpyObj;
+
+describe('SnippetService', () => {
+  let gitHubService: SpyObj<GitHubService>;
+  const repoName = '30seconds';
+  const repoOwner = 'PIKACHU';
+  const pullNumber = 689;
+
+  beforeEach(() => {
+    gitHubService = jasmine.createSpyObj('gitHubService', [
+      'getPullByPullNumber',
+      'getPullFileByPullNumber',
+      'getSnippetBody'
+    ]);
+
+    TestBed.configureTestingModule({
+      providers: [
+        {
+          provide: GitHubService,
+          useValue: gitHubService
+        }
+      ]
+    });
+  });
+
+  it('should be created', () => {
+    const snippet = 'pirojok';
+    const fileName = 'john';
+    const contents_url = 'LOL';
+    const branchName = 'branch';
+
+    const service: SnippetService = TestBed.inject(SnippetService);
+
+    gitHubService.getPullByPullNumber.and.returnValue(
+      of({
+        head: { ref: branchName }
+      })
+    );
+    const sha = 'sa sha';
+
+    gitHubService.getPullFileByPullNumber.and.returnValue(
+      of([
+        {
+          contents_url,
+          sha,
+          filename: fileName
+        }
+      ])
+    );
+
+    gitHubService.getSnippetBody.and.returnValue(
+      of({
+        content: btoa(snippet)
+      })
+    );
+
+    service.fetchPR(repoName, repoOwner, pullNumber).subscribe(result => {
+      expect(result).toEqual({
+        branchName,
+        fileName,
+        sha,
+        snippet
+      });
+    });
+  });
+});
diff --git a/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/snippet.service.ts b/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/snippet.service.ts
new file mode 100644
index 000000000..3ea6e055b
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/app/shared/services/snippet.service.ts
@@ -0,0 +1,156 @@
+import { Injectable } from '@angular/core';
+import { combineLatest, Observable, of } from 'rxjs';
+import { debounceTime, map, switchMap } from 'rxjs/operators';
+import slugify from 'slugify';
+import { GitHubService } from './github.service';
+import {
+  Branch,
+  CommitInfo,
+  CreatePullRequest,
+  GithubAuth,
+  PullRequest,
+  Repo,
+  User
+} from '../interfaces';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SnippetService {
+  constructor(private githubService: GitHubService) {}
+
+  fetchPR(repoName: string, repoOwner: string, pullNumber: number) {
+    // todo move it to service later
+    const pr$ = this.githubService.getPullByPullNumber(
+      repoOwner,
+      repoName,
+      pullNumber
+    );
+    const file$ = this.githubService
+      .getPullFileByPullNumber(repoOwner, repoName, pullNumber)
+      .pipe(
+        switchMap(([file]) => {
+          return this.githubService.getSnippetBody(file['contents_url']).pipe(
+            map(res => {
+              const body = atob(res.content);
+              return {
+                ...res[0],
+                body,
+                sha: file['sha'],
+                fileName: file['filename']
+              };
+            })
+          );
+        })
+      );
+
+    return combineLatest([file$, pr$]).pipe(
+      map(([file, pr]) => {
+        return {
+          sha: file['sha'],
+          fileName: file['fileName'],
+          snippet: file['body'] as string,
+          branchName: pr['head']['ref']
+        };
+      })
+    );
+  }
+
+  updatePR(
+    githubAuth: GithubAuth,
+    snippetData: string,
+    fileInfo: object,
+    repoName: string
+  ): Observable<any> {
+    this.githubService.setToken(githubAuth.credential.accessToken);
+    const user: User = githubAuth.additionalUserInfo.profile;
+
+    return this.githubService.getMyRepos(user).pipe(
+      switchMap((repos: Repo[]) => {
+        const repo = repos.find(r => r.name === repoName);
+        return this.githubService.updateFile(
+          repo.full_name,
+          snippetData,
+          fileInfo
+        );
+      })
+    );
+  }
+
+  createPR(
+    githubAuth: GithubAuth,
+    snippetData: string,
+    title: string,
+    repoName: string,
+    repoOwner: string
+  ): Observable<PullRequest> {
+    requires(githubAuth, 'Github auth is required');
+    requires(snippetData, 'Snippet is required');
+    requires(title, 'Snippet title is required');
+
+    this.githubService.setToken(githubAuth.credential.accessToken);
+
+    const branchName = `new_snippet_${this.toLowerCaseAndSlugify(title)}`;
+    const filePath = `contents/snippets/${this.toLowerCaseAndSlugify(
+      title
+    )}.md`;
+
+    const user: User = githubAuth.additionalUserInfo.profile;
+    return this.githubService.getRepo(repoOwner, repoName).pipe(
+      switchMap((baseRepo: Repo) => {
+        return this.githubService.getMyRepos(user).pipe(
+          switchMap((repos: Repo[]) => {
+            const repo = repos.find(r => r.name === repoName);
+            return repo
+              ? of(repo)
+              : this.githubService.forkRepo(baseRepo).pipe(debounceTime(5000));
+          }),
+          switchMap((userRepo: Repo) => {
+            return this.githubService.getMasterBranch(userRepo).pipe(
+              switchMap((masterBranch: Branch) => {
+                return this.githubService.createBranch(
+                  userRepo,
+                  masterBranch,
+                  branchName
+                );
+              }),
+              switchMap(() => {
+                const commit: CommitInfo = {
+                  message:
+                    'I have added awesome snippet. Look at my awesome snippet!',
+                  content: btoa(snippetData),
+                  branchName: branchName,
+                  filePath: filePath
+                };
+                return this.githubService.createCommit(userRepo, commit);
+              }),
+              switchMap(() => {
+                const pullRequest: CreatePullRequest = {
+                  title: `Add - new snippet: ${title}`,
+                  body: 'Here is a new snippet. Hope you like it :)',
+                  labels: ['snippet'],
+                  branchName: branchName
+                };
+                return this.githubService.createPullRequest(
+                  baseRepo,
+                  user,
+                  pullRequest
+                );
+              })
+            );
+          })
+        );
+      })
+    );
+  }
+
+  private toLowerCaseAndSlugify(str: string) {
+    return slugify(str.toLowerCase());
+  }
+}
+
+function requires(expression: any, message: string) {
+  if (!expression) {
+    throw new Error(message);
+  }
+}
diff --git a/libs/angular-ast-viz/src/lib/app.component.css b/codelab-master/apps/angular-thirty-seconds/src/assets/.gitkeep
similarity index 100%
rename from libs/angular-ast-viz/src/lib/app.component.css
rename to codelab-master/apps/angular-thirty-seconds/src/assets/.gitkeep
diff --git a/codelab-master/apps/angular-thirty-seconds/src/environments/environment.prod.ts b/codelab-master/apps/angular-thirty-seconds/src/environments/environment.prod.ts
new file mode 100644
index 000000000..3612073bc
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/environments/environment.prod.ts
@@ -0,0 +1,3 @@
+export const environment = {
+  production: true
+};
diff --git a/codelab-master/apps/angular-thirty-seconds/src/environments/environment.ts b/codelab-master/apps/angular-thirty-seconds/src/environments/environment.ts
new file mode 100644
index 000000000..7b4f817ad
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/environments/environment.ts
@@ -0,0 +1,16 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.
diff --git a/codelab-master/apps/angular-thirty-seconds/src/favicon.ico b/codelab-master/apps/angular-thirty-seconds/src/favicon.ico
new file mode 100644
index 000000000..8081c7cea
Binary files /dev/null and b/codelab-master/apps/angular-thirty-seconds/src/favicon.ico differ
diff --git a/codelab-master/apps/angular-thirty-seconds/src/index.html b/codelab-master/apps/angular-thirty-seconds/src/index.html
new file mode 100644
index 000000000..dccd1fe1f
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/index.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>AngularThirtySeconds</title>
+    <base href="/" />
+
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link
+      rel="icon"
+      type="image/x-icon"
+      href="apps/angular-thirty-seconds/src/favicon.ico"
+    />
+  </head>
+  <body>
+    <codelab-root></codelab-root>
+  </body>
+</html>
diff --git a/codelab-master/apps/angular-thirty-seconds/src/main.ts b/codelab-master/apps/angular-thirty-seconds/src/main.ts
new file mode 100644
index 000000000..fa4e0aef3
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/main.ts
@@ -0,0 +1,13 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic()
+  .bootstrapModule(AppModule)
+  .catch(err => console.error(err));
diff --git a/codelab-master/apps/angular-thirty-seconds/src/polyfills.ts b/codelab-master/apps/angular-thirty-seconds/src/polyfills.ts
new file mode 100644
index 000000000..d15a1152a
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/polyfills.ts
@@ -0,0 +1,62 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE10 and IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags.ts';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__BLACK_LISTED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js/dist/zone'; // Included with Angular CLI.
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
diff --git a/codelab-master/apps/angular-thirty-seconds/src/styles.scss b/codelab-master/apps/angular-thirty-seconds/src/styles.scss
new file mode 100644
index 000000000..d6562785a
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/styles.scss
@@ -0,0 +1,7 @@
+@import '~@angular/material/prebuilt-themes/indigo-pink.css';
+
+html,
+body {
+  margin: 0;
+  padding: 0;
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/src/test.ts b/codelab-master/apps/angular-thirty-seconds/src/test.ts
new file mode 100644
index 000000000..16317897b
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/src/test.ts
@@ -0,0 +1,20 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/dist/zone-testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: any;
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);
diff --git a/codelab-master/apps/angular-thirty-seconds/tsconfig.app.json b/codelab-master/apps/angular-thirty-seconds/tsconfig.app.json
new file mode 100644
index 000000000..f68ed007e
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/tsconfig.app.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../../dist/out-tsc",
+    "types": []
+  },
+  "exclude": ["test.ts", "**/*.spec.ts"],
+  "include": ["**/*.ts"]
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/tsconfig.json b/codelab-master/apps/angular-thirty-seconds/tsconfig.json
new file mode 100644
index 000000000..38260e195
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "types": ["jasmine"]
+  }
+}
diff --git a/codelab-master/apps/angular-thirty-seconds/tsconfig.spec.json b/codelab-master/apps/angular-thirty-seconds/tsconfig.spec.json
new file mode 100644
index 000000000..e729d1001
--- /dev/null
+++ b/codelab-master/apps/angular-thirty-seconds/tsconfig.spec.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../../dist/out-tsc",
+    "types": ["jasmine", "node"]
+  },
+  "files": ["src/test.ts", "src/polyfills.ts"],
+  "include": ["**/*.spec.ts", "**/*.d.ts"]
+}
diff --git a/libs/firebase-login/tslint.json b/codelab-master/apps/angular-thirty-seconds/tslint.json
similarity index 100%
rename from libs/firebase-login/tslint.json
rename to codelab-master/apps/angular-thirty-seconds/tslint.json
diff --git a/codelab-master/apps/blog/browserslist b/codelab-master/apps/blog/browserslist
new file mode 100644
index 000000000..37371cb04
--- /dev/null
+++ b/codelab-master/apps/blog/browserslist
@@ -0,0 +1,11 @@
+# This file is currently used by autoprefixer to adjust CSS to support the below specified browsers
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+#
+# For IE 9-11 support, please remove 'not' from the last line of the file and adjust as needed
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11
\ No newline at end of file
diff --git a/codelab-master/apps/blog/jest.config.js b/codelab-master/apps/blog/jest.config.js
new file mode 100644
index 000000000..0e1024e8d
--- /dev/null
+++ b/codelab-master/apps/blog/jest.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  name: 'blog',
+  preset: '../../jest.config.js',
+  coverageDirectory: '../../coverage/apps/blog/'
+};
diff --git a/codelab-master/apps/blog/src/app/app.component.html b/codelab-master/apps/blog/src/app/app.component.html
new file mode 100644
index 000000000..c1fd98af5
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/app.component.html
@@ -0,0 +1,6 @@
+<div routerLink="/">
+  <h2><span>Angular Codelab Newsletter</span></h2>
+  <img src="/assets/images/logo.png" />
+</div>
+
+<router-outlet></router-outlet>
diff --git a/codelab-master/apps/blog/src/app/app.component.scss b/codelab-master/apps/blog/src/app/app.component.scss
new file mode 100644
index 000000000..9761a7948
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/app.component.scss
@@ -0,0 +1,24 @@
+h2 {
+  color: white;
+  text-align: center;
+  height: 70px;
+  background-image: linear-gradient(to right, red, white);
+  width: 90%;
+}
+div {
+  width: 100%;
+  display: flex;
+}
+
+span {
+  margin: auto;
+  display: inline-block;
+  vertical-align: middle;
+  line-height: normal;
+  margin-top: 20px;
+}
+
+img {
+  height: 100px;
+  margin-left: auto;
+}
diff --git a/codelab-master/apps/blog/src/app/app.component.spec.ts b/codelab-master/apps/blog/src/app/app.component.spec.ts
new file mode 100644
index 000000000..83efa430f
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/app.component.spec.ts
@@ -0,0 +1,33 @@
+import { TestBed, async } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+import { RouterTestingModule } from '@angular/router/testing';
+
+describe('AppComponent', () => {
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [RouterTestingModule],
+      declarations: [AppComponent]
+    }).compileComponents();
+  }));
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'blog'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('blog');
+  });
+
+  it('should render title in a h1 tag', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('h1').textContent).toContain(
+      'Welcome to blog!'
+    );
+  });
+});
diff --git a/codelab-master/apps/blog/src/app/app.component.ts b/codelab-master/apps/blog/src/app/app.component.ts
new file mode 100644
index 000000000..014583e16
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss']
+})
+export class AppComponent {
+  title = 'blog';
+}
diff --git a/codelab-master/apps/blog/src/app/app.module.ts b/codelab-master/apps/blog/src/app/app.module.ts
new file mode 100644
index 000000000..2a243e61a
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/app.module.ts
@@ -0,0 +1,60 @@
+import { HttpClientModule } from '@angular/common/http';
+import { NgModule } from '@angular/core';
+import { AngularFireModule } from '@angular/fire';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { ReactiveFormsModule } from '@angular/forms';
+import { MatCardModule } from '@angular/material/card';
+import { MatSnackBarModule } from '@angular/material/snack-bar';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatSelectModule } from '@angular/material/select';
+import { BrowserModule } from '@angular/platform-browser';
+import { RouterModule, Routes } from '@angular/router';
+import { MarkdownModule } from 'ngx-markdown';
+
+import { environment } from '../../../../apps/codelab/src/environments/environment';
+import { AppComponent } from './app.component';
+import { FeedComponent } from './feed/feed.component';
+import { FormComponent } from './form/form.component';
+import { PostService } from './post.service';
+import { PostComponent } from './post/post.component';
+import { SinglePostComponent } from './single-post/single-post.component';
+
+export const angularFire = AngularFireModule.initializeApp(
+  environment.firebaseConfig
+);
+
+const appRoutes: Routes = [
+  { path: 'post/:id', component: PostComponent },
+  { path: '', component: FeedComponent },
+  { path: 'form', component: FormComponent }
+];
+
+@NgModule({
+  declarations: [
+    AppComponent,
+    FormComponent,
+    FeedComponent,
+    PostComponent,
+    SinglePostComponent
+  ],
+  imports: [
+    BrowserModule,
+    MarkdownModule.forRoot(),
+    MatFormFieldModule,
+    MatSelectModule,
+    ReactiveFormsModule,
+    HttpClientModule,
+    AngularFireDatabaseModule,
+    angularFire,
+    MatCardModule,
+    AngularFireAuthModule,
+    MatSnackBarModule,
+
+    RouterModule.forRoot(appRoutes, { initialNavigation: 'enabled' })
+  ],
+  providers: [PostService],
+  bootstrap: [AppComponent],
+  exports: [FormComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/blog/src/app/common.ts b/codelab-master/apps/blog/src/app/common.ts
new file mode 100644
index 000000000..9b67162c2
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/common.ts
@@ -0,0 +1,8 @@
+export interface Post {
+  key?: string;
+  title: string;
+  author: string;
+  text: string;
+  date: string;
+  hidden: boolean;
+}
diff --git a/codelab-master/apps/blog/src/app/feed/feed.component.html b/codelab-master/apps/blog/src/app/feed/feed.component.html
new file mode 100644
index 000000000..4ad805a88
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/feed/feed.component.html
@@ -0,0 +1,6 @@
+<a routerLink="/form">Tell us what you have done!</a>
+
+<div *ngFor="let post of posts$ | async">
+  <codelab-single-post [post]="post" [full]="false"></codelab-single-post>
+  <div></div>
+</div>
diff --git a/libs/angular-ast-viz/src/lib/ast-tree/ast-tree.module.ts b/codelab-master/apps/blog/src/app/feed/feed.component.scss
similarity index 100%
rename from libs/angular-ast-viz/src/lib/ast-tree/ast-tree.module.ts
rename to codelab-master/apps/blog/src/app/feed/feed.component.scss
diff --git a/codelab-master/apps/blog/src/app/feed/feed.component.spec.ts b/codelab-master/apps/blog/src/app/feed/feed.component.spec.ts
new file mode 100644
index 000000000..b854547c9
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/feed/feed.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FeedComponent } from './feed.component';
+
+describe('FeedComponent', () => {
+  let component: FeedComponent;
+  let fixture: ComponentFixture<FeedComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [FeedComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FeedComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/blog/src/app/feed/feed.component.ts b/codelab-master/apps/blog/src/app/feed/feed.component.ts
new file mode 100644
index 000000000..92f61da95
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/feed/feed.component.ts
@@ -0,0 +1,30 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+import { PostService } from '../post.service';
+import { Observable } from 'rxjs';
+import { Post } from '../common';
+import { map } from 'rxjs/operators';
+
+@Component({
+  selector: 'codelab-feed',
+  templateUrl: './feed.component.html',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  styleUrls: ['./feed.component.scss']
+})
+export class FeedComponent {
+  posts$: Observable<Post[]>;
+
+  constructor(private postService: PostService) {
+    this.posts$ = this.postService.repo$.snapshotChanges().pipe(
+      map(items => {
+        return items
+          .map(a => {
+            return {
+              ...a.payload.val(),
+              key: a.payload.key
+            };
+          })
+          .reverse();
+      })
+    );
+  }
+}
diff --git a/codelab-master/apps/blog/src/app/form/form.component.html b/codelab-master/apps/blog/src/app/form/form.component.html
new file mode 100644
index 000000000..dabb82aa4
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/form/form.component.html
@@ -0,0 +1,38 @@
+<h3>Tell us what's new</h3>
+<form class="container" [formGroup]="myform" (ngSubmit)="onSubmit()">
+  <input
+    type="text"
+    placeholder="Title"
+    class="form-control"
+    [formControl]="title"
+    required
+  />
+
+  <input
+    type="text"
+    placeholder="Name"
+    class="form-control"
+    [formControl]="author"
+    required
+  />
+
+  <textarea
+    rows="5"
+    class="form-control"
+    [formControl]="text"
+    placeholder="Text"
+    required
+    (keydown.control.enter)="onSubmit()"
+  >
+  </textarea>
+
+  <button
+    type="submit"
+    class="btn btn-primary form-control"
+    [attr.disabled]="myform.valid ? null : true"
+  >
+    Submit
+  </button>
+</form>
+
+<a routerLink="">Back</a>
diff --git a/codelab-master/apps/blog/src/app/form/form.component.scss b/codelab-master/apps/blog/src/app/form/form.component.scss
new file mode 100644
index 000000000..991f2c273
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/form/form.component.scss
@@ -0,0 +1,19 @@
+.container {
+  display: flex;
+  flex-direction: column;
+  width: 40%;
+}
+
+input,
+textarea {
+  width: 600px;
+}
+
+.form-control {
+  margin: 2px;
+}
+
+textarea {
+  overflow: auto;
+  resize: vertical;
+}
diff --git a/codelab-master/apps/blog/src/app/form/form.component.spec.ts b/codelab-master/apps/blog/src/app/form/form.component.spec.ts
new file mode 100644
index 000000000..0d2585861
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/form/form.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FormComponent } from './form.component';
+
+describe('FormComponent', () => {
+  let component: FormComponent;
+  let fixture: ComponentFixture<FormComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [FormComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FormComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/blog/src/app/form/form.component.ts b/codelab-master/apps/blog/src/app/form/form.component.ts
new file mode 100644
index 000000000..067721b50
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/form/form.component.ts
@@ -0,0 +1,48 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+import { Observable } from 'rxjs';
+import { FormControl, FormGroup, Validators } from '@angular/forms';
+import { PostService } from '../post.service';
+import { Router } from '@angular/router';
+import { Post } from '../common';
+
+@Component({
+  selector: 'codelab-form',
+  templateUrl: './form.component.html',
+  styleUrls: ['./form.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class FormComponent {
+  title = new FormControl('', Validators.required);
+  author = new FormControl('', Validators.required);
+  text = new FormControl('', Validators.required);
+  date: Date;
+  post: Observable<Post>;
+  myform = new FormGroup({
+    title: this.title,
+    author: this.author,
+    text: this.text
+  });
+  statusMessage = '';
+  error = false;
+
+  constructor(
+    private http: HttpClient,
+    private postService: PostService,
+    private router: Router
+  ) {}
+
+  onSubmit() {
+    const formValues: any = this.myform.getRawValue();
+    this.postService
+      .addPost(formValues)
+      .then(({ key }) => {
+        this.myform.reset();
+        this.router.navigateByUrl(`post/${key}`);
+      })
+      .catch(() => {
+        this.statusMessage = 'Error';
+        this.error = true;
+      });
+  }
+}
diff --git a/codelab-master/apps/blog/src/app/post.service.ts b/codelab-master/apps/blog/src/app/post.service.ts
new file mode 100644
index 000000000..31cafe4dc
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/post.service.ts
@@ -0,0 +1,39 @@
+import { Injectable } from '@angular/core';
+import { AngularFireDatabase, AngularFireList } from '@angular/fire/database';
+import { Observable } from 'rxjs';
+import { Post } from './common';
+import { database } from 'firebase/app';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class PostService {
+  repo$: AngularFireList<Post> = this.database.list('/posts', ref => {
+    return ref.orderByChild('hidden').equalTo(null);
+  });
+
+  constructor(private database: AngularFireDatabase) {}
+
+  getPostById(id: string) {
+    return this.database.object(`posts/${id}`);
+  }
+
+  removePost(id: string) {
+    return this.getPostById(id).remove();
+  }
+
+  updatePost(id: string, post: Partial<Post>) {
+    return this.getPostById(id).update(post);
+  }
+
+  addPost(post: Post): any {
+    return this.repo$.push({
+      ...post,
+      date: database.ServerValue.TIMESTAMP as string
+    });
+  }
+
+  getPost(id: string): Observable<any> {
+    return this.getPostById(id).valueChanges();
+  }
+}
diff --git a/codelab-master/apps/blog/src/app/post/post.component.html b/codelab-master/apps/blog/src/app/post/post.component.html
new file mode 100644
index 000000000..49632850a
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/post/post.component.html
@@ -0,0 +1,8 @@
+<ng-container *ngIf="post$ | async as post">
+  <codelab-single-post
+    [post]="post"
+    [full]="true"
+    [key]="key"
+  ></codelab-single-post>
+  <button routerLink="/">Back</button>
+</ng-container>
diff --git a/codelab-master/apps/blog/src/app/post/post.component.scss b/codelab-master/apps/blog/src/app/post/post.component.scss
new file mode 100644
index 000000000..bdeae1ef1
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/post/post.component.scss
@@ -0,0 +1,4 @@
+.text {
+  overflow: hidden;
+  max-height: 100px;
+}
diff --git a/codelab-master/apps/blog/src/app/post/post.component.spec.ts b/codelab-master/apps/blog/src/app/post/post.component.spec.ts
new file mode 100644
index 000000000..14de6c8b0
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/post/post.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PostComponent } from './post.component';
+
+describe('PostComponent', () => {
+  let component: PostComponent;
+  let fixture: ComponentFixture<PostComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [PostComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PostComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/blog/src/app/post/post.component.ts b/codelab-master/apps/blog/src/app/post/post.component.ts
new file mode 100644
index 000000000..3bb4dd9f6
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/post/post.component.ts
@@ -0,0 +1,27 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { Observable } from 'rxjs';
+import { Post } from '../common';
+import { PostService } from '../post.service';
+import { ActivatedRoute } from '@angular/router';
+import { MarkdownModule } from 'ngx-markdown';
+
+@Component({
+  selector: 'codelab-post',
+  templateUrl: './post.component.html',
+  styleUrls: ['./post.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class PostComponent implements OnInit {
+  post$: Observable<Post>;
+  key: string;
+
+  constructor(
+    private postService: PostService,
+    private route: ActivatedRoute
+  ) {}
+
+  ngOnInit() {
+    this.key = this.route.snapshot.params['id'];
+    this.post$ = this.postService.getPost(this.key);
+  }
+}
diff --git a/codelab-master/apps/blog/src/app/single-post/single-post.component.html b/codelab-master/apps/blog/src/app/single-post/single-post.component.html
new file mode 100644
index 000000000..f7fd7f0b4
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/single-post/single-post.component.html
@@ -0,0 +1,23 @@
+<mat-card>
+  <mat-card-content>
+    <p class="head">
+      <span class="title">{{ post.title }}</span>
+      <span class="date"
+        >by <span>{{ post.author }}</span> on
+        {{ post.date | date: 'short' }}</span
+      >
+    </p>
+
+    <div class="container">
+      <markdown ngPreserveWhitespaces>
+        <div [class.text]="!full" [innerHTML]="post.text"></div>
+      </markdown>
+
+      <span *ngIf="!full"><a routerLink="/post/{{ post.key }}">More</a> </span>
+      <span *ngIf="full">
+        <button (click)="edit()">Edit</button>
+        <button (click)="delete()">Delete</button>
+      </span>
+    </div>
+  </mat-card-content>
+</mat-card>
diff --git a/codelab-master/apps/blog/src/app/single-post/single-post.component.scss b/codelab-master/apps/blog/src/app/single-post/single-post.component.scss
new file mode 100644
index 000000000..ce8ecbc07
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/single-post/single-post.component.scss
@@ -0,0 +1,30 @@
+.date {
+  float: right;
+  margin-right: 5px;
+}
+
+.title {
+  margin-top: 0px;
+  margin-top: 0px;
+  padding-left: 5px;
+}
+
+mat-card {
+  margin-bottom: 10px;
+  padding-bottom: 10px;
+}
+.text {
+  overflow: hidden;
+  max-height: 100px;
+}
+
+.gradient {
+  position: absolute;
+  height: 130px;
+  bottom: 0;
+  width: 100%;
+}
+
+.container {
+  position: relative;
+}
diff --git a/codelab-master/apps/blog/src/app/single-post/single-post.component.ts b/codelab-master/apps/blog/src/app/single-post/single-post.component.ts
new file mode 100644
index 000000000..fe4991e38
--- /dev/null
+++ b/codelab-master/apps/blog/src/app/single-post/single-post.component.ts
@@ -0,0 +1,38 @@
+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { AccessService } from '../../../../codelab/src/app/shared/services/access.service';
+import { Post } from '../common';
+import { PostService } from '../post.service';
+import { Router } from '@angular/router';
+import { MatSnackBar } from '@angular/material/snack-bar';
+
+@Component({
+  selector: 'codelab-single-post',
+  templateUrl: './single-post.component.html',
+  styleUrls: ['./single-post.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class SinglePostComponent {
+  @Input() post: Post;
+  @Input() full: boolean;
+  @Input() key = '';
+
+  constructor(
+    private postService: PostService,
+    private accessService: AccessService,
+    private router: Router,
+    private snackBar: MatSnackBar
+  ) {}
+
+  delete() {
+    this.accessService.oldIsAdmin$.subscribe();
+    this.post.hidden = true;
+    this.postService
+      .updatePost(this.key, this.post)
+      .then(() => {
+        this.router.navigateByUrl(``);
+      })
+      .catch(err => {
+        this.snackBar.open(`ERR: ${err}`);
+      });
+  }
+}
diff --git a/libs/code-demos/src/lib/code-demo-runner/code-demo-runner.component.css b/codelab-master/apps/blog/src/assets/.gitkeep
similarity index 100%
rename from libs/code-demos/src/lib/code-demo-runner/code-demo-runner.component.css
rename to codelab-master/apps/blog/src/assets/.gitkeep
diff --git a/codelab-master/apps/blog/src/assets/fonts/droid-sans/Apache License.txt b/codelab-master/apps/blog/src/assets/fonts/droid-sans/Apache License.txt
new file mode 100644
index 000000000..989e2c59e
--- /dev/null
+++ b/codelab-master/apps/blog/src/assets/fonts/droid-sans/Apache License.txt	
@@ -0,0 +1,201 @@
+Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
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+
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
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+      including but not limited to software source code, documentation
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+
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+      of this License, Derivative Works shall not include works that remain
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+
+      "Contribution" shall mean any work of authorship, including
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+   2. Grant of Copyright License. Subject to the terms and conditions of
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+   3. Grant of Patent License. Subject to the terms and conditions of
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+          notices within Derivative Works that You distribute, alongside
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+      You may add Your own copyright statement to Your modifications and
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
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+   9. Accepting Warranty or Additional Liability. While redistributing
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+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
\ No newline at end of file
diff --git a/codelab-master/apps/blog/src/assets/fonts/droid-sans/DroidSans-Bold.ttf b/codelab-master/apps/blog/src/assets/fonts/droid-sans/DroidSans-Bold.ttf
new file mode 100644
index 000000000..d065b64eb
Binary files /dev/null and b/codelab-master/apps/blog/src/assets/fonts/droid-sans/DroidSans-Bold.ttf differ
diff --git a/codelab-master/apps/blog/src/assets/fonts/droid-sans/DroidSans.ttf b/codelab-master/apps/blog/src/assets/fonts/droid-sans/DroidSans.ttf
new file mode 100644
index 000000000..ad1efca88
Binary files /dev/null and b/codelab-master/apps/blog/src/assets/fonts/droid-sans/DroidSans.ttf differ
diff --git a/codelab-master/apps/blog/src/assets/images/logo.png b/codelab-master/apps/blog/src/assets/images/logo.png
new file mode 100644
index 000000000..82b24332f
Binary files /dev/null and b/codelab-master/apps/blog/src/assets/images/logo.png differ
diff --git a/codelab-master/apps/blog/src/assets/images/logo.svg b/codelab-master/apps/blog/src/assets/images/logo.svg
new file mode 100644
index 000000000..8f47be04c
--- /dev/null
+++ b/codelab-master/apps/blog/src/assets/images/logo.svg
@@ -0,0 +1,19 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
+ "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
+<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
+ width="1200.000000pt" height="1200.000000pt" viewBox="0 0 1200.000000 1200.000000"
+ preserveAspectRatio="xMidYMid meet">
+
+<g transform="translate(0.000000,1200.000000) scale(0.100000,-0.100000)"
+fill="#000000" stroke="none">
+<path d="M0 6000 l0 -6000 6000 0 6000 0 0 6000 0 6000 -6000 0 -6000 0 0
+-6000z m7385 383 c759 -1708 1383 -3114 1387 -3124 7 -18 -9 -19 -511 -19
+l-518 0 -280 697 -281 698 -1187 0 -1187 0 -277 -693 c-153 -381 -280 -694
+-283 -697 -3 -3 -237 -4 -521 -3 l-515 3 1391 3122 c766 1717 1394 3122 1397
+3122 3 0 626 -1397 1385 -3106z"/>
+<path d="M5595 6493 c-219 -527 -400 -966 -403 -975 -4 -17 39 -18 811 -18
+l815 0 -193 463 c-105 254 -288 693 -405 975 -117 281 -216 512 -220 512 -4 0
+-186 -431 -405 -957z"/>
+</g>
+</svg>
diff --git a/codelab-master/apps/blog/src/environments/environment.prod.ts b/codelab-master/apps/blog/src/environments/environment.prod.ts
new file mode 100644
index 000000000..3612073bc
--- /dev/null
+++ b/codelab-master/apps/blog/src/environments/environment.prod.ts
@@ -0,0 +1,3 @@
+export const environment = {
+  production: true
+};
diff --git a/codelab-master/apps/blog/src/environments/environment.ts b/codelab-master/apps/blog/src/environments/environment.ts
new file mode 100644
index 000000000..7b4f817ad
--- /dev/null
+++ b/codelab-master/apps/blog/src/environments/environment.ts
@@ -0,0 +1,16 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.
diff --git a/codelab-master/apps/blog/src/favicon.ico b/codelab-master/apps/blog/src/favicon.ico
new file mode 100644
index 000000000..8081c7cea
Binary files /dev/null and b/codelab-master/apps/blog/src/favicon.ico differ
diff --git a/codelab-master/apps/blog/src/index.html b/codelab-master/apps/blog/src/index.html
new file mode 100644
index 000000000..90c8ac10f
--- /dev/null
+++ b/codelab-master/apps/blog/src/index.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>Blog</title>
+    <base href="/" />
+
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+  </head>
+  <body>
+    <codelab-root></codelab-root>
+  </body>
+</html>
diff --git a/codelab-master/apps/blog/src/main.ts b/codelab-master/apps/blog/src/main.ts
new file mode 100644
index 000000000..fa4e0aef3
--- /dev/null
+++ b/codelab-master/apps/blog/src/main.ts
@@ -0,0 +1,13 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic()
+  .bootstrapModule(AppModule)
+  .catch(err => console.error(err));
diff --git a/codelab-master/apps/blog/src/polyfills.ts b/codelab-master/apps/blog/src/polyfills.ts
new file mode 100644
index 000000000..d15a1152a
--- /dev/null
+++ b/codelab-master/apps/blog/src/polyfills.ts
@@ -0,0 +1,62 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE10 and IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags.ts';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__BLACK_LISTED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js/dist/zone'; // Included with Angular CLI.
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
diff --git a/codelab-master/apps/blog/src/styles.scss b/codelab-master/apps/blog/src/styles.scss
new file mode 100644
index 000000000..be998b46d
--- /dev/null
+++ b/codelab-master/apps/blog/src/styles.scss
@@ -0,0 +1,15 @@
+/* You can add global styles to this file, and also import other style files */
+@import '~@angular/material/prebuilt-themes/indigo-pink.css';
+@font-face {
+  font-family: 'Droid Sans';
+  src: url('/assets/fonts/droid-sans/DroidSans.ttf') format('opentype');
+}
+
+@font-face {
+  font-family: 'Droid Sans Bold';
+  src: url('/assets/fonts/droid-sans/DroidSans-Bold.ttf') format('opentype');
+}
+
+body {
+  font-family: 'Droid Sans', 'Droid Sans Bold';
+}
diff --git a/libs/code-demos/src/test-setup.ts b/codelab-master/apps/blog/src/test-setup.ts
similarity index 100%
rename from libs/code-demos/src/test-setup.ts
rename to codelab-master/apps/blog/src/test-setup.ts
diff --git a/codelab-master/apps/blog/tsconfig.app.json b/codelab-master/apps/blog/tsconfig.app.json
new file mode 100644
index 000000000..7f64c89c1
--- /dev/null
+++ b/codelab-master/apps/blog/tsconfig.app.json
@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "exclude": ["src/test-setup.ts", "**/*.spec.ts"]
+}
diff --git a/codelab-master/apps/blog/tsconfig.json b/codelab-master/apps/blog/tsconfig.json
new file mode 100644
index 000000000..929357216
--- /dev/null
+++ b/codelab-master/apps/blog/tsconfig.json
@@ -0,0 +1,10 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "types": ["node", "jest"]
+  },
+  "include": ["**/*.ts"],
+  "angularCompilerOptions": {
+    "enableIvy": true
+  }
+}
diff --git a/codelab-master/apps/blog/tsconfig.spec.json b/codelab-master/apps/blog/tsconfig.spec.json
new file mode 100644
index 000000000..61c376d57
--- /dev/null
+++ b/codelab-master/apps/blog/tsconfig.spec.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": ["jest", "node"]
+  },
+  "files": ["src/test-setup.ts"],
+  "include": ["**/*.spec.ts", "**/*.d.ts"]
+}
diff --git a/libs/firebase/tslint.json b/codelab-master/apps/blog/tslint.json
similarity index 100%
rename from libs/firebase/tslint.json
rename to codelab-master/apps/blog/tslint.json
diff --git a/codelab-master/apps/codelab/browserslist b/codelab-master/apps/codelab/browserslist
new file mode 100644
index 000000000..b15c7fae5
--- /dev/null
+++ b/codelab-master/apps/codelab/browserslist
@@ -0,0 +1,12 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11 # For IE 9-11 support, remove 'not'.
diff --git a/codelab-master/apps/codelab/extra-webpack.config.js b/codelab-master/apps/codelab/extra-webpack.config.js
new file mode 100644
index 000000000..69558fa55
--- /dev/null
+++ b/codelab-master/apps/codelab/extra-webpack.config.js
@@ -0,0 +1,27 @@
+const webpack = require('webpack');
+const MonacoWebpackPlugin = require('monaco-editor-webpack-plugin');
+
+const findLoader = (webpackConfig, regex) => {
+  return webpackConfig.module.rules
+    .filter(rule => !!rule.use)
+    .find(rule => rule.use.find(it => !!it.loader && regex.test(it.loader)));
+};
+
+module.exports = (webpackConfig, cliConfig) => {
+  if (cliConfig.buildOptimizer) {
+    const loader = findLoader(
+      webpackConfig,
+      /@angular-devkit\/build-optimizer.*\/webpack-loader/
+    );
+
+    const originalTest = loader.test;
+    loader.test = file => {
+      const isMonaco = !!file.match('node_modules/monaco-editor');
+      return !isMonaco && !!file.match(originalTest);
+    };
+  }
+
+  webpackConfig.plugins.push(new MonacoWebpackPlugin());
+
+  return webpackConfig;
+};
diff --git a/codelab-master/apps/codelab/karma.conf.js b/codelab-master/apps/codelab/karma.conf.js
new file mode 100644
index 000000000..97cb50940
--- /dev/null
+++ b/codelab-master/apps/codelab/karma.conf.js
@@ -0,0 +1,31 @@
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+module.exports = function(config) {
+  config.set({
+    basePath: '../',
+    frameworks: ['jasmine', '@angular-devkit/build-angular'],
+    plugins: [
+      require('karma-jasmine'),
+      require('karma-chrome-launcher'),
+      require('karma-jasmine-html-reporter'),
+      require('karma-coverage-istanbul-reporter'),
+      require('@angular-devkit/build-angular/plugins/karma')
+    ],
+    client: {
+      clearContext: false // leave Jasmine Spec Runner output visible in browser
+    },
+    coverageIstanbulReporter: {
+      dir: require('path').join(__dirname, '../coverage'),
+      reports: ['html', 'lcovonly'],
+      fixWebpackSourcePaths: true
+    },
+    reporters: ['progress', 'kjhtml'],
+    port: 9876,
+    colors: true,
+    logLevel: config.LOG_INFO,
+    autoWatch: true,
+    browsers: ['Chrome'],
+    singleRun: false
+  });
+};
diff --git a/codelab-master/apps/codelab/src/app/admin/admin-routing.module.ts b/codelab-master/apps/codelab/src/app/admin/admin-routing.module.ts
new file mode 100644
index 000000000..55944685e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/admin-routing.module.ts
@@ -0,0 +1,22 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { AdminComponent } from './admin.component';
+import { UsersComponent } from './users/users.component';
+import { FeedbackComponent } from './feedback/feedback.component';
+
+const routes = [
+  {
+    path: '',
+    component: AdminComponent,
+    children: [
+      { path: 'users', component: UsersComponent },
+      { path: 'feedback', component: FeedbackComponent }
+    ]
+  }
+];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+export class AdminRoutingModule {}
diff --git a/codelab-master/apps/codelab/src/app/admin/admin.component.css b/codelab-master/apps/codelab/src/app/admin/admin.component.css
new file mode 100644
index 000000000..aac68fdee
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/admin.component.css
@@ -0,0 +1,9 @@
+:host {
+  display: block;
+  max-width: 1000px;
+  margin: 0 auto;
+}
+
+.wrapper {
+  margin-top: 20px;
+}
diff --git a/codelab-master/apps/codelab/src/app/admin/admin.component.html b/codelab-master/apps/codelab/src/app/admin/admin.component.html
new file mode 100644
index 000000000..beff4dca8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/admin.component.html
@@ -0,0 +1,20 @@
+<mat-card>
+  <h2>Angular Codelab 🔥 Admin</h2>
+
+  <nav mat-tab-nav-bar>
+    <a
+      *ngFor="let link of links"
+      mat-tab-link
+      routerLinkActive
+      #rla="routerLinkActive"
+      [routerLink]="link.link"
+      [active]="rla.isActive"
+    >
+      {{ link.name }}
+    </a>
+  </nav>
+
+  <div class="wrapper">
+    <router-outlet></router-outlet>
+  </div>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/admin/admin.component.spec.ts b/codelab-master/apps/codelab/src/app/admin/admin.component.spec.ts
new file mode 100644
index 000000000..60b8ca95a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/admin.component.spec.ts
@@ -0,0 +1,28 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AdminComponent } from './admin.component';
+import { AdminModule } from './admin.module';
+import { getMockAngularFireProviders } from '@codelab/utils/src/lib/testing/mocks/angular-fire';
+import { RouterModule } from '@angular/router';
+
+describe('AdminComponent', () => {
+  let component: AdminComponent;
+  let fixture: ComponentFixture<AdminComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [AdminModule, RouterModule.forRoot([])],
+      providers: [...getMockAngularFireProviders()]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AdminComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/admin/admin.component.ts b/codelab-master/apps/codelab/src/app/admin/admin.component.ts
new file mode 100644
index 000000000..1105c7a59
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/admin.component.ts
@@ -0,0 +1,13 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-admin',
+  templateUrl: './admin.component.html',
+  styleUrls: ['./admin.component.css']
+})
+export class AdminComponent {
+  readonly links = [
+    { link: 'users', name: 'Users' },
+    { link: 'feedback', name: 'Feedback' }
+  ];
+}
diff --git a/codelab-master/apps/codelab/src/app/admin/admin.module.ts b/codelab-master/apps/codelab/src/app/admin/admin.module.ts
new file mode 100644
index 000000000..cc58d961e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/admin.module.ts
@@ -0,0 +1,21 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { MatCardModule } from '@angular/material/card';
+import { MatTabsModule } from '@angular/material/tabs';
+import { AdminComponent } from './admin.component';
+import { AdminRoutingModule } from './admin-routing.module';
+import { FeedbackModule } from './feedback/feedback.module';
+import { UsersModule } from './users/users.module';
+
+@NgModule({
+  imports: [
+    AdminRoutingModule,
+    CommonModule,
+    FeedbackModule,
+    UsersModule,
+    MatCardModule,
+    MatTabsModule
+  ],
+  declarations: [AdminComponent]
+})
+export class AdminModule {}
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.component.ts b/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.component.ts
new file mode 100644
index 000000000..ec02731e2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.component.ts
@@ -0,0 +1,56 @@
+import {
+  Component,
+  Input,
+  ViewChild,
+  Output,
+  EventEmitter,
+  ChangeDetectionStrategy
+} from '@angular/core';
+import { MatMenuTrigger } from '@angular/material/menu';
+import { MatTableDataSource } from '@angular/material/table';
+import { MatSort } from '@angular/material/sort';
+import { Message } from '@codelab/feedback/src/lib/message';
+
+const clearTags = (value: string) =>
+  value.replace(/<[^>]+>/g, '').replace(/Angular Codelab \/ /, '');
+const clearAllTags = (values: Message[]): Message[] =>
+  values.map((m: Message) => ({
+    ...m,
+    header: clearTags(m.header || 'No header')
+  }));
+const sortingDataAccessor = (item, property) => {
+  switch (property) {
+    case 'timestamp':
+      return new Date(item.timestamp).toISOString();
+    default:
+      return item[property];
+  }
+};
+
+@Component({
+  selector: 'codelab-feedback-message-table',
+  templateUrl: './feedback-message-table.html',
+  styleUrls: ['./feedback-message-table.css'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class FeedbackMessageTableComponent {
+  @ViewChild(MatSort, { static: true }) sort: MatSort;
+
+  @Input('dataSource')
+  set dataSourceSetter(values: Message[]) {
+    this.dataSource.data = clearAllTags(values);
+    this.dataSource.sortingDataAccessor = sortingDataAccessor;
+    this.dataSource.sort = this.sort;
+  }
+  dataSource = new MatTableDataSource([]);
+
+  closeReasons = [
+    { name: '[Duplicate]', reason: '[Duplicate]' },
+    { name: '[No fix]', reason: '[No fix]' },
+    { name: '[Done]', reason: '[Done]' },
+    { name: '[Nice message]', reason: '[Nice message, though not a real bug]' },
+    { name: "[Can't reproduce]", reason: "[Can't reproduce]" }
+  ];
+
+  tableColumns = ['comment', 'name', 'header', 'timestamp', 'actions'];
+}
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.css b/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.css
new file mode 100644
index 000000000..7868785b8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.css
@@ -0,0 +1,35 @@
+.done-row {
+  background: #fcfcfc;
+  color: #666;
+}
+
+.mat-column-comment {
+  width: 55%;
+  padding-right: 5px;
+}
+
+.mat-column-name {
+  width: 10%;
+  padding-right: 5px;
+}
+
+.mat-column-header {
+  width: 20%;
+  padding-right: 5px;
+}
+
+.mat-column-timestamp {
+  width: 10%;
+  max-width: 120px;
+  padding-right: 5px;
+}
+
+.mat-column-actions {
+  width: 5%;
+  max-width: 20px;
+}
+
+table {
+  width: 100%;
+  overflow: hidden;
+}
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.html b/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.html
new file mode 100644
index 000000000..450dd7ccb
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback-message-table/feedback-message-table.html
@@ -0,0 +1,48 @@
+<table mat-table [dataSource]="dataSource" matSort class="mat-elevation-z4">
+  <ng-container matColumnDef="comment">
+    <th mat-header-cell *matHeaderCellDef mat-sort-header>comment</th>
+    <td mat-cell *matCellDef="let element">
+      {{element.comment}}
+    </td>
+  </ng-container>
+
+  <ng-container matColumnDef="name">
+    <th mat-header-cell *matHeaderCellDef mat-sort-header>
+      name
+    </th>
+    <td mat-cell *matCellDef="let element">{{element.name}}</td>
+  </ng-container>
+
+  <ng-container matColumnDef="header">
+    <th mat-header-cell *matHeaderCellDef mat-sort-header>header</th>
+    <td mat-cell *matCellDef="let element">
+      <a [routerLink]="element.href">{{ element.header}}</a>
+    </td>
+  </ng-container>
+
+  <ng-container matColumnDef="href">
+    <th mat-header-cell *matHeaderCellDef>href</th>
+    <td mat-cell *matCellDef="let element">{{element.href}}</td>
+  </ng-container>
+
+  <ng-container matColumnDef="timestamp">
+    <th mat-header-cell *matHeaderCellDef mat-sort-header>timestamp</th>
+    <td mat-cell *matCellDef="let element">
+      {{element.timestamp|date}}
+    </td>
+  </ng-container>
+
+  <ng-container matColumnDef="actions" stickyEnd>
+    <th mat-header-cell *matHeaderCellDef></th>
+    <td mat-cell *matCellDef="let element">
+      <feedback-issue-dropdown [message]="element"></feedback-issue-dropdown>
+    </td>
+  </ng-container>
+
+  <tr mat-header-row *matHeaderRowDef="tableColumns"></tr>
+  <tr
+    mat-row
+    *matRowDef="let row; columns: tableColumns"
+    [class.done-row]="row.isDone"
+  ></tr>
+</table>
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.css b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.css
new file mode 100644
index 000000000..988742743
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.css
@@ -0,0 +1,9 @@
+.panel {
+  margin-bottom: 10px;
+}
+
+mat-form-field {
+  margin-left: 15px;
+  margin-top: 5px;
+  width: 120px;
+}
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.html b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.html
new file mode 100644
index 000000000..b2e31eae0
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.html
@@ -0,0 +1,67 @@
+<div no-padding>
+  <div>
+    <mat-form-field>
+      <mat-label>Feedback</mat-label>
+      <mat-select
+        [value]="filter$ | async"
+        (selectionChange)="this.filter$.next($event.value)"
+      >
+        <mat-option value="all">All</mat-option>
+        <mat-option value="done">Done</mat-option>
+        <mat-option value="notDone">Undone</mat-option>
+      </mat-select>
+    </mat-form-field>
+
+    <mat-form-field>
+      <mat-label>Group by</mat-label>
+      <mat-select
+        [value]="group$ | async"
+        (selectionChange)="group$.next($event.value)"
+      >
+        <mat-option value="nothing">Do not group</mat-option>
+        <mat-option value="href">Slide URL</mat-option>
+        <mat-option value="name">Name</mat-option>
+      </mat-select>
+    </mat-form-field>
+
+    <mat-form-field>
+      <input
+        matInput
+        [matDatepicker]="picker"
+        placeholder="From"
+        [(ngModel)]="datesForFilter.dateFrom"
+        (dateChange)="changeDate()"
+      />
+      <mat-datepicker-toggle matSuffix [for]="picker"></mat-datepicker-toggle>
+      <mat-datepicker #picker></mat-datepicker>
+    </mat-form-field>
+
+    <mat-form-field>
+      <input
+        matInput
+        [matDatepicker]="picker2"
+        placeholder="To"
+        [(ngModel)]="datesForFilter.dateTo"
+        (dateChange)="changeDate()"
+      />
+      <mat-datepicker-toggle matSuffix [for]="picker2"></mat-datepicker-toggle>
+      <mat-datepicker #picker2></mat-datepicker>
+    </mat-form-field>
+    <button mat-button (click)="clearDate()">Clear</button>
+  </div>
+
+  <div>
+    <div *ngFor="let item of this.messages$ | async" class="panel">
+      <mat-expansion-panel [expanded]="true" [hideToggle]="true">
+        <mat-expansion-panel-header>
+          <mat-panel-title>
+            <h3>{{ item.key }}</h3>
+          </mat-panel-title>
+        </mat-expansion-panel-header>
+        <codelab-feedback-message-table
+          [dataSource]="item.value"
+        ></codelab-feedback-message-table>
+      </mat-expansion-panel>
+    </div>
+  </div>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.spec.ts b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.spec.ts
new file mode 100644
index 000000000..5ea7ff3b1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.spec.ts
@@ -0,0 +1,31 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { FeedbackComponent } from './feedback.component';
+import { FeedbackModule } from './feedback.module';
+import { getMockAngularFireProviders } from '@codelab/utils/src/lib/testing/mocks/angular-fire';
+import { GithubService } from './github.service';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+
+describe('FeedbackComponent', () => {
+  let component: FeedbackComponent;
+  let fixture: ComponentFixture<FeedbackComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [FeedbackModule, NoopAnimationsModule],
+      providers: [
+        ...getMockAngularFireProviders(),
+        { provide: GithubService, useValue: {} }
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FeedbackComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.ts b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.ts
new file mode 100644
index 000000000..a0d750b4f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.component.ts
@@ -0,0 +1,113 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { AngularFireDatabase, AngularFireList } from '@angular/fire/database';
+import { Message } from '@codelab/feedback/src/lib/message';
+import { BehaviorSubject, combineLatest, Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+type Filter = 'all' | 'done' | 'notDone';
+type Grouping = 'nothing' | 'href' | 'name';
+
+function groupBy(feedback: Array<Message>, grouping: Grouping) {
+  const result = feedback.reduce((comment, item) => {
+    const groupName = item[grouping];
+    comment[groupName] = comment[groupName] || [];
+    comment[groupName].push(item);
+    return comment;
+  }, {});
+
+  return Object.keys(result).map(key => ({ key, value: result[key] }));
+}
+
+function normalize(feedback: Array<any>) {
+  return feedback.map(item => ({
+    ...(item.payload && item.payload.val()),
+    key: item.key
+  }));
+}
+
+function group([feedback, grouping]) {
+  if (grouping === 'nothing') {
+    return [
+      {
+        key: 'Messages',
+        value: feedback
+      }
+    ];
+  }
+  if (grouping === 'name' || grouping === 'href') {
+    return groupBy(feedback, grouping);
+  }
+  throw new Error('Unknown grouping: ' + grouping);
+}
+
+function filter([feedback, filterName, [fromDate, toDate]]) {
+  let result;
+  if (filterName === 'all') {
+    result = feedback;
+  }
+
+  if (filterName === 'done') {
+    result = feedback.filter(message => message.isDone);
+  }
+
+  if (filterName === 'notDone') {
+    result = feedback.filter(message => !message.isDone);
+  }
+
+  const fromMs = fromDate ? new Date(fromDate).getTime() : null;
+  const toMs = toDate ? new Date(toDate).getTime() + 86400000 : null; // add 24hrs to include the day of upper bound
+
+  result = result.filter(msg => {
+    const timestampMs = new Date(msg.timestamp).getTime();
+    return (
+      (fromMs ? timestampMs >= fromMs : true) &&
+      (toMs ? timestampMs <= toMs : true)
+    );
+  });
+  return result;
+}
+
+@Component({
+  selector: 'codelab-feedback',
+  templateUrl: './feedback.component.html',
+  styleUrls: ['./feedback.component.css'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class FeedbackComponent implements OnInit {
+  messages$: Observable<{ key: string; value: Message }[]>;
+  filter$ = new BehaviorSubject<Filter>('notDone');
+  dateFilter$ = new BehaviorSubject<[string, string]>(['', '']);
+  group$ = new BehaviorSubject<Grouping>('nothing');
+
+  datesForFilter = { dateFrom: '', dateTo: '' };
+
+  constructor(private database: AngularFireDatabase) {}
+
+  ngOnInit() {
+    const feedback$: AngularFireList<any[]> = this.database.list('/feedback');
+
+    const filteredMessages$ = combineLatest([
+      feedback$.snapshotChanges().pipe(map(normalize)),
+      this.filter$,
+      this.dateFilter$
+    ]).pipe(map(filter));
+
+    this.messages$ = combineLatest([filteredMessages$, this.group$]).pipe(
+      map(group)
+    );
+  }
+
+  changeDate(clearDates = false) {
+    if (clearDates) {
+      this.datesForFilter = { dateFrom: '', dateTo: '' };
+    }
+    this.dateFilter$.next([
+      this.datesForFilter.dateFrom || '',
+      this.datesForFilter.dateTo || ''
+    ]);
+  }
+
+  clearDate() {
+    this.changeDate(true);
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/feedback.module.ts b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.module.ts
new file mode 100644
index 000000000..0013325ea
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/feedback.module.ts
@@ -0,0 +1,53 @@
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+import { CommonModule } from '@angular/common';
+import { MatCardModule } from '@angular/material/card';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatButtonModule } from '@angular/material/button';
+import { MatSelectModule } from '@angular/material/select';
+import { MatTableModule } from '@angular/material/table';
+import { MatIconModule } from '@angular/material/icon';
+import { MatDatepickerModule } from '@angular/material/datepicker';
+import { MatInputModule } from '@angular/material/input';
+import { MatExpansionModule } from '@angular/material/expansion';
+import { MatFormFieldModule } from '@angular/material/form-field';
+import { MatSortModule } from '@angular/material/sort';
+import { MatNativeDateModule } from '@angular/material/core';
+import { SlidesModule } from '@ng360/slides';
+import { BrowserWindowModule } from '@codelab/browser';
+import { FeedbackMessageTableComponent } from './feedback-message-table/feedback-message-table.component';
+import { FeedbackComponent } from './feedback.component';
+import { FeedbackModule as FeedbackLibModule } from '@codelab/feedback';
+
+@NgModule({
+  imports: [
+    RouterModule,
+    AngularFireDatabaseModule,
+    AngularFireAuthModule,
+    BrowserWindowModule,
+    FormsModule,
+    ReactiveFormsModule,
+    CommonModule,
+    SlidesModule,
+    MatButtonModule,
+    MatCardModule,
+    MatMenuModule,
+    MatSelectModule,
+    MatTableModule,
+    MatIconModule,
+    MatDatepickerModule,
+    MatNativeDateModule,
+    MatFormFieldModule,
+    MatInputModule,
+    MatExpansionModule,
+    MatSortModule,
+    FeedbackLibModule
+  ],
+  declarations: [FeedbackComponent, FeedbackMessageTableComponent],
+  exports: [FeedbackComponent],
+  entryComponents: [FeedbackComponent]
+})
+export class FeedbackModule {}
diff --git a/codelab-master/apps/codelab/src/app/admin/feedback/github.service.ts b/codelab-master/apps/codelab/src/app/admin/feedback/github.service.ts
new file mode 100644
index 000000000..50664cd0a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/feedback/github.service.ts
@@ -0,0 +1,31 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class GithubService {
+  repo = 'codelab-fun/codelab';
+
+  constructor(private http: HttpClient) {}
+
+  createIssue(issueData, accessToken) {
+    const headers = { Authorization: 'token ' + accessToken };
+    const options = { headers };
+    return this.http.post(
+      `https://api.github.com/repos/${this.repo}/issues`,
+      issueData,
+      options
+    );
+  }
+
+  closeIssue(changes, issueId, accessToken) {
+    const headers = { Authorization: 'token ' + accessToken };
+    const options = { headers };
+    return this.http.patch(
+      `https://api.github.com/repos/${this.repo}/issues/${issueId}`,
+      changes,
+      options
+    );
+  }
+}
diff --git a/libs/utils/src/lib/sync/components/sync-sessions/sync-sessions.component.css b/codelab-master/apps/codelab/src/app/admin/users/users.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/sync-sessions/sync-sessions.component.css
rename to codelab-master/apps/codelab/src/app/admin/users/users.component.css
diff --git a/codelab-master/apps/codelab/src/app/admin/users/users.component.html b/codelab-master/apps/codelab/src/app/admin/users/users.component.html
new file mode 100644
index 000000000..aa4f76676
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/users/users.component.html
@@ -0,0 +1,16 @@
+<table mat-table [dataSource]="admins$ | async" class="mat-elevation-z8">
+  <ng-container matColumnDef="key">
+    <th mat-header-cell *matHeaderCellDef>Key</th>
+    <td mat-cell *matCellDef="let admin">{{ admin.key }}</td>
+  </ng-container>
+
+  <ng-container matColumnDef="isCurrentUser">
+    <th mat-header-cell *matHeaderCellDef>You</th>
+    <td mat-cell *matCellDef="let admin">
+      {{ admin.isCurrentUser ? '⛱' : '' }}
+    </td>
+  </ng-container>
+
+  <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
+  <tr mat-row *matRowDef="let row; columns: displayedColumns"></tr>
+</table>
diff --git a/codelab-master/apps/codelab/src/app/admin/users/users.component.spec.ts b/codelab-master/apps/codelab/src/app/admin/users/users.component.spec.ts
new file mode 100644
index 000000000..fb26617da
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/users/users.component.spec.ts
@@ -0,0 +1,38 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { UsersComponent } from './users.component';
+import { UsersModule } from './users.module';
+import { SyncDbService } from '@codelab/utils/src/lib/sync/services/sync-db.service';
+import { of } from 'rxjs';
+import { LoginService } from '@codelab/firebase-login';
+
+describe('UsersComponent', () => {
+  let component: UsersComponent;
+  let fixture: ComponentFixture<UsersComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [UsersModule],
+      providers: [
+        {
+          provide: SyncDbService,
+          useValue: { list: () => ({ snapshots$: of([]) }) }
+        },
+        {
+          provide: LoginService,
+          useValue: {}
+        }
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(UsersComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/admin/users/users.component.ts b/codelab-master/apps/codelab/src/app/admin/users/users.component.ts
new file mode 100644
index 000000000..762a6f902
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/users/users.component.ts
@@ -0,0 +1,51 @@
+import { Component, OnInit } from '@angular/core';
+import { LoginService } from '@codelab/firebase-login';
+import { SyncDbService } from '@codelab/utils/src/lib/sync/services/sync-db.service';
+import { map } from 'rxjs/operators';
+import { firebaseToValuesWithKey } from '@codelab/utils/src/lib/sync/common';
+import { combineLatest, Observable } from 'rxjs';
+import { Permissions } from '../../shared/services/access.service';
+
+export interface AdminDb {
+  key: string;
+  permissions: Record<Permissions, boolean>;
+}
+
+export interface Admin extends AdminDb {
+  isCurrentUser: boolean;
+}
+
+export interface UserDb {
+  admin: AdminDb[];
+}
+
+@Component({
+  selector: 'codelab-users',
+  templateUrl: './users.component.html',
+  styleUrls: ['./users.component.css']
+})
+export class UsersComponent {
+  readonly displayedColumns = ['isCurrentUser', 'key'];
+
+  readonly admins = this.dbService.list('admin');
+  private readonly allAdmins$ = this.admins.snapshots$.pipe(
+    map(firebaseToValuesWithKey)
+  );
+
+  readonly admins$: Observable<Admin[]> = combineLatest([
+    this.allAdmins$,
+    this.loginService.uid$
+  ]).pipe(
+    map(([admins, currentUserUid]) => {
+      return admins.map(admin => ({
+        ...admin,
+        isCurrentUser: admin.key === currentUserUid
+      }));
+    })
+  );
+
+  constructor(
+    private readonly loginService: LoginService,
+    private readonly dbService: SyncDbService<UserDb>
+  ) {}
+}
diff --git a/codelab-master/apps/codelab/src/app/admin/users/users.module.ts b/codelab-master/apps/codelab/src/app/admin/users/users.module.ts
new file mode 100644
index 000000000..9456579a6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/admin/users/users.module.ts
@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { UsersComponent } from './users.component';
+import { MatCardModule } from '@angular/material/card';
+import { MatTableModule } from '@angular/material/table';
+
+@NgModule({
+  declarations: [UsersComponent],
+  entryComponents: [UsersComponent],
+  imports: [CommonModule, MatTableModule, MatCardModule]
+})
+export class UsersModule {}
diff --git a/codelab-master/apps/codelab/src/app/app-routing.module.ts b/codelab-master/apps/codelab/src/app/app-routing.module.ts
new file mode 100644
index 000000000..51db37503
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/app-routing.module.ts
@@ -0,0 +1,36 @@
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import { LoginComponent } from './components/login/login.component';
+import { NotFoundComponent } from './components/not-found/not-found.component';
+import { AdminGuard } from './shared/services/guards/admin-guard';
+import { LoginGuard } from './shared/services/guards/login-guard';
+
+const routes: Routes = [
+  {
+    path: '',
+    loadChildren: () =>
+      import('./codelabs/codelabs.module').then(m => m.CodelabsModule)
+  },
+  {
+    path: 'login',
+    component: LoginComponent,
+    canActivate: [LoginGuard]
+  },
+  {
+    path: 'admin',
+    loadChildren: () => import('./admin/admin.module').then(m => m.AdminModule),
+    canActivate: [AdminGuard]
+  },
+  {
+    path: 'sync',
+    loadChildren: () =>
+      import('./sync/sync.module').then(m => m.SyncAdminModule)
+  },
+  { path: '**', component: NotFoundComponent }
+];
+
+@NgModule({
+  imports: [RouterModule.forRoot(routes)],
+  exports: [RouterModule]
+})
+export class AppRoutingModule {}
diff --git a/codelab-master/apps/codelab/src/app/app.component.ts b/codelab-master/apps/codelab/src/app/app.component.ts
new file mode 100644
index 000000000..552b511d6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/app.component.ts
@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-root',
+  template: '<router-outlet></router-outlet>'
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/codelab/src/app/app.module.ts b/codelab-master/apps/codelab/src/app/app.module.ts
new file mode 100644
index 000000000..60dcb8a02
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/app.module.ts
@@ -0,0 +1,40 @@
+import { APP_INITIALIZER, NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { monacoReady } from '@codelab/code-demos';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { AngularFireModule } from '@angular/fire';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { AppComponent } from './app.component';
+import { AppRoutingModule } from './app-routing.module';
+import { LoginModule } from './components/login/login.module';
+import { menuRoutes } from './codelabs/angular/angular-routing.module';
+import { MENU_ROUTES } from './common';
+import { environment } from '../environments/environment';
+import { NotFoundModule } from './components/not-found/not-found.module';
+import { MatButtonModule } from '@angular/material/button';
+import { DirectivesModule } from './directives/directives.module';
+import { HttpClientModule } from '@angular/common/http';
+
+@NgModule({
+  imports: [
+    AppRoutingModule,
+    LoginModule,
+    BrowserModule,
+    BrowserAnimationsModule,
+    HttpClientModule,
+    AngularFireModule.initializeApp(environment.firebaseConfig),
+    AngularFireAuthModule,
+    AngularFireDatabaseModule,
+    NotFoundModule,
+    MatButtonModule,
+    DirectivesModule
+  ],
+  declarations: [AppComponent],
+  providers: [
+    { provide: MENU_ROUTES, useValue: menuRoutes },
+    { provide: APP_INITIALIZER, useValue: monacoReady, multi: true }
+  ],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/about.component.html b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.html
new file mode 100644
index 000000000..92a1d5081
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.html
@@ -0,0 +1,403 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <div *slide cover>
+    codelab.fun
+  </div>
+
+  <!--  TODO(anya):-->
+  <div *slide cover>What is codelab.fun</div>
+  <div *slide pic-label>
+    Online interactive angular tutorial no setup
+    <div class="no-setup" pic></div>
+  </div>
+  <div *slide pic-label>
+    Interactive code samples
+    <div class="examples" pic></div>
+  </div>
+  <div *slide pic-label>
+    Hands on exercises
+    <div class="exercises" pic></div>
+  </div>
+  <div *slide pic-label>
+    All open source/Angular Ivy/on Github
+    <div class="github" pic></div>
+    <div class="issues" pic></div>
+  </div>
+
+  <div *slide pic-label>
+    Regular offline contributors meetings
+    <div class="community" pic></div>
+  </div>
+  <div *slide>
+    <h2>20+ Live-events in 10+ countries</h2>
+    <div pic class="img-todo"></div>
+  </div>
+  <div *slide>
+    <h2>~1000 users a month</h2>
+    <div pic class="img-todo"></div>
+  </div>
+  <div *slide>
+    <h2>Almost 50 contributors</h2>
+    <div pic class="img-todo"></div>
+  </div>
+  <!-- end  TODO(anya):-->
+  <div *slide>
+    <h2>Live-Stream "Звуки программистов"</h2>
+    <h2>
+      @kirjs and @thekiba_io meet on weekends and do long technical streams in
+      russian, https://www.twitch.tv/kirjs
+    </h2>
+    <div pic class="img-todo"></div>
+  </div>
+
+  <!--
+   Story
+  -->
+  <div *slide cover>Nov 11, 2016</div>
+  <div *slide text>Angular 2.1</div>
+  <div *slide text>Kirjs did not know Angular</div>
+  <div *slide text>Move exercises to the browser</div>
+  <!--  MORE - TBD-->
+
+  <!--
+   TODO: Runner story
+  -->
+  <div *slide>Running tests (mocha / babel + traversing AST)</div>
+  <div *slide>
+    - The goal is to quickly assess whether user's code does what we want.
+  </div>
+  <div *slide>
+    - Initially the plan was to run unit tests in an iframe with TestBed, mocha
+    + chai (code TBD)
+  </div>
+
+  <!--
+     Types
+  -->
+  <div *slide text>Types</div>
+  <div *slide text>There's no types (TODO: Explain)</div>
+
+  <!--
+      Creating slides
+  -->
+  <div *slide cover>Next level</div>
+
+  <!--
+      Creating slides
+  -->
+  <div cover *slide>Creating slides library with Angular</div>
+
+  <div *slide>
+    <h2>What's an ideal API for a presentation?</h2>
+    <code-demo-editor
+      language="html"
+      [(ngModel)]="code.slides.component"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide>
+    <h2>Can we use ng-template?</h2>
+    <code-demo-editor
+      language="html"
+      [(ngModel)]="code.slides.template"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide>
+    <h2>Can we use ng-template?</h2>
+    <code-demo-editor
+      language="html"
+      [(ngModel)]="code.slides.directive"
+    ></code-demo-editor>
+  </div>
+
+  <!--
+    Highlighting directive
+  -->
+  <div *slide cover>
+    Highlights
+  </div>
+
+  <div *slide>
+    <h2>How to implement this?</h2>
+    <div class="highlight-slides" pic></div>
+  </div>
+
+  <div *slide>
+    <h2>We need a popup which</h2>
+    <ul>
+      <li>plays well with Monaco</li>
+      <li>Updates when the code is updated</li>
+      <li>Not obstructive</li>
+    </ul>
+  </div>
+
+  <div *slide>
+    <h2>We don't. We use highlight instead</h2>
+    <!--    <code-demo-editor></code-demo-editor>-->
+  </div>
+  <div *slide>
+    <h2>We don't. We use highlight instead</h2>
+    <!--    <code-demo-editor></code-demo-editor>-->
+  </div>
+
+  <div *slide>
+    <h2>Find position by regex or string</h2>
+    <code-demo-editor [(ngModel)]="code.highlights.find"></code-demo-editor>
+  </div>
+
+  <div *slide>
+    <h2>Add classes using Monaco's deltaDecorations</h2>
+    <!--    TODO-->
+  </div>
+
+  <!--
+      Code in a template
+  -->
+  <div *slide cover>Storing code samples</div>
+  <div *slide>
+    <h2>This can't be hard!</h2>
+    <code-demo-editor
+      language="html"
+      [(ngModel)]="code.storingCode.plain"
+    ></code-demo-editor>
+  </div>
+  <div *slide>
+    <h2>Can we use multiline strings?</h2>
+    <code-demo-editor
+      language="html"
+      [(ngModel)]="code.storingCode.backticks"
+      [codeDemoHighlight]="code.storingCode.backticksMatch"
+    ></code-demo-editor>
+  </div>
+  <div *slide>
+    <h2>Custom interpolation to the rescue?</h2>
+    <code-demo
+      language="html"
+      [(ngModel)]="code.storingCode.interpolation"
+    ></code-demo>
+  </div>
+
+  <div *slide>
+    <h2>Can we use ng-template?</h2>
+    <!--    TODO-->
+  </div>
+  <div *slide>
+    <h2>Can we use ngNonBindable?</h2>
+    <!--    TODO-->
+  </div>
+  <div *slide>
+    <h2>Can we use Script tag?</h2>
+    <!--    TODO-->
+  </div>
+  <div *slide>
+    <h2>Can we use Textarea?</h2>
+    <!--    TODO-->
+  </div>
+  <div *slide>
+    <h2>Textarea + ngNonBindable</h2>
+    <!--    TODO-->
+  </div>
+
+  <div *slide>
+    <h2>Code in the component</h2>
+    <!--    TODO-->
+  </div>
+
+  <div *slide>
+    <h2>raw-loader - code in files</h2>
+    <!--    TODO-->
+  </div>
+
+  <!--
+    Types
+   -->
+
+  <div *slide cover>
+    Can we use figure out the types now?
+  </div>
+
+  <div *slide>
+    <h2>Let's fake it!</h2>
+    <code-demo-file-path path="fake-types.d.ts"></code-demo-file-path>
+    <code-demo-editor [(ngModel)]="code.fakeTypes"></code-demo-editor>
+  </div>
+
+  <div *slide>
+    <h2>Then webstorm started shouting at me.</h2>
+    <div class="types-error" pic></div>
+  </div>
+  <div *slide>
+    <h2>Let's fake it!</h2>
+    <code-demo-file-path
+      path="fake-types.d.ts.not-really"
+    ></code-demo-file-path>
+    <code-demo-editor [(ngModel)]="code.fakeTypes"></code-demo-editor>
+  </div>
+  <div *slide>
+    <h2>Types work!</h2>
+    <div class="types-work" pic></div>
+  </div>
+
+  <!--
+   Feedback
+  -->
+  <div *slide>
+    <h2>So we kinda ready for prime time, except nothing really works</h2>
+    <!--    TODO-->
+  </div>
+
+  <div *slide>
+    <h2>People will probably get really mad?</h2>
+    <!--    TODO-->
+  </div>
+
+  <div *slide>
+    <h2>Let's add feedback feature</h2>
+    <!--    TODO screenshot-->
+  </div>
+  <div *slide>
+    <h2>We use firebase</h2>
+    <!--    TODO screenshot-->
+  </div>
+
+  <div *slide>
+    <h2>
+      We want the feedback to be as specific as possible, so we need to identify
+      the slide
+    </h2>
+    <!--    TODO screenshot-->
+  </div>
+
+  <div *slide>
+    <h2>We Already use routing, and each slide has a #</h2>
+    <!--    TODO screenshot-->
+  </div>
+
+  <div *slide>
+    <h2>We can't generate and ID</h2>
+    <!--    TODO screenshot-->
+  </div>
+  <div *slide>
+    <h2>We have to give an ID manually</h2>
+    <!--    TODO screenshot-->
+  </div>
+
+  <div *slide>
+    <h2>TADA</h2>
+    <!-- Ugly code -->
+  </div>
+
+  <!--
+    Success
+   -->
+
+  <!--
+    Translations
+   -->
+  <div *slide cover>i18n</div>
+
+  <div *slide>
+    <h2>We use standard Angular i18n</h2>
+    <!--    TODO: Code sample-->
+  </div>
+  <div *slide>
+    <h2>But how can we translate code samples?</h2>
+    <!--    TODO: Illustration-->
+  </div>
+  <div *slide>
+    <ul>
+      <li>Have strings in template with ids</li>
+      <li>Then query it in the Component</li>
+    </ul>
+    {{ "@ViewChild('translations', { static: true }) translation;" }}
+    <!--    TODO: Illustration-->
+  </div>
+
+  <div *slide text>
+    How to we translate it in a way that scales?
+  </div>
+
+  <div *slide>
+    <h2>Codelab uses PoEditor</h2>
+    <div pic class="i18n-poeditor"></div>
+  </div>
+
+  <div *slide>
+    <h2>Thanks PoEditor for providing us with an Open Source license!</h2>
+    <div pic class="i18n-poeditor"></div>
+  </div>
+
+  <div *slide text>Anybody can help with translation</div>
+  <div *slide text>- Already translated into Russian</div>
+
+  <!--
+    Optimizing everything.
+   -->
+  <!--  TODO(🦊):-->
+  <div *slide>Let's make it faster</div>
+
+  <div *slide>- изначальные проблемы:</div>
+  <div *slide>очень долго пересобиралось, потому что пересоздавался iframe</div>
+  <div *slide>
+    типы задавались вручную, поэтому было проблемно подключать дополнительные
+    библиотеки
+  </div>
+  <div *slide>- что сделано:</div>
+  <div *slide>iframe стал переиспользоваться</div>
+  <div *slide>инстанс ts compiler был переведен на watch режим</div>
+  <div *slide>реализован bundler, который собирает типы в один файл</div>
+  <div *slide>оптимизация бандла с пакетами, чтобы все сжималось</div>
+  <div *slide>- что получили:</div>
+  <div *slide>
+    перезапуск вместо 0.5-1 сек стало почти мгновенно (показать демонстрацию)
+  </div>
+  <div *slide>размер бандла уменьшился в 2 раза (todo: посмотреть размер)</div>
+  <div *slide>
+    появилась возможность подключать любые библиотеки на этапе компиляции
+  </div>
+  <div *slide>Running tests (mocha / babel + traversing AST)</div>
+  <div *slide>
+    - The goal is to quickly assess whether user's code does what we want.
+  </div>
+  <div *slide>
+    - Initially the plan was to run unit tests in an iframe with TestBed, mocha
+    + chai (code TBD)
+  </div>
+  <div *slide>- Phase 2 - We started reusing iframe (code TBD)</div>
+  <div *slide>- Special case testing bootstrapping the app (code TBD)</div>
+  <div *slide>
+    - We also added babel tests (babel can parse TypeScript) (code TBD)
+  </div>
+  <div *slide>- This works, we look at the code, not at the result.</div>
+  <div *slide>Monaco</div>
+  <div *slide>
+    - The goal is to give users a type aware editor with SyntaxHighlighting
+    quick, extensible
+  </div>
+  <div *slide>- We chose monaco</div>
+  <div *slide>
+    - Bundle size/It's own AMD loader/Have to be included in the assets
+  </div>
+  <div *slide>- Adding types to monaco</div>
+  <div *slide>- Highlighting</div>
+  <div *slide>- Autofolding</div>
+  <div *slide>- Init on app load</div>
+  <div *slide>Experiments/What's next?</div>
+  <div *slide>Sync lib</div>
+  <div *slide>- Codelab is not just an angular course it is a platform</div>
+  <div *slide>- Demo</div>
+  <div *slide>New runner</div>
+  <div *slide>- What we want:</div>
+  <div *slide>- Generic runner (not just angular)</div>
+  <div *slide>
+    - Does not need types/libraries bundled (fetched them asynchronously from
+    cdn)
+  </div>
+  <div *slide>- Where we are?</div>
+  <div *slide>- We don't know how to</div>
+  <div *slide>How/Why to contribute?</div>
+  <div *slide>Is is hard?</div>
+  <div *slide>How to start</div>
+  <div *slide>Why to contribute?</div>
+  <div *slide>What's next?</div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/about.component.scss b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.scss
new file mode 100644
index 000000000..5b77e2453
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.scss
@@ -0,0 +1,101 @@
+.screenshot {
+  /*background: url("images/sss");*/
+}
+
+[cover] ::ng-deep {
+  line-height: 100vh;
+  text-align: center;
+  background: #6cae00;
+  color: white;
+  font-size: 100px;
+  font-weight: 300;
+}
+
+[text] ::ng-deep {
+  line-height: 100vh;
+  text-align: center;
+  background: #6cae00;
+  color: white;
+  font-size: 100px;
+  font-weight: 300;
+}
+
+[pic] {
+  background-size: contain;
+  background-repeat: no-repeat;
+  width: 100%;
+  height: 100%;
+}
+
+[pic-label] ::ng-deep {
+  line-height: 20vh;
+  text-align: center;
+  color: black;
+  font-size: 100px;
+  font-weight: 280;
+}
+
+.types-error {
+  background-image: url('./images/types-error.png');
+}
+
+.types-missing {
+  background-image: url('./images/types-missing.png');
+}
+
+.types-work {
+  background-image: url('./images/types-work.png');
+}
+
+.i18n-poeditor {
+  background-image: url('./images/i18n-poeditor.png');
+}
+
+.highlight-slides {
+  background-image: url('./images/highlight-slides.png');
+}
+
+.img-todo {
+  content: 'lol';
+  border: 50px white dotted;
+  margin-top: 20px;
+  background: #d68200;
+  box-sizing: border-box;
+
+  &:before {
+    line-height: 100%;
+    font-size: 200px;
+    content: 'IMAGE-TBD';
+    padding: 100px 0;
+    text-align: center;
+    display: block;
+    color: white;
+  }
+}
+h2 {
+  padding: 20px;
+}
+
+.no-setup {
+  background-image: url('./images/no-setup.png');
+}
+
+.examples {
+  background-image: url('./images/examples.gif');
+}
+
+.exercises {
+  background-image: url('./images/exercises.gif');
+}
+
+.github {
+  background-image: url('./images/github.png');
+}
+
+.issues {
+  background-image: url('./images/issues.gif');
+}
+
+.community {
+  background-image: url('./images/codelab.jpeg');
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/about.component.spec.ts b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.spec.ts
new file mode 100644
index 000000000..063616a61
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AboutComponent } from './about.component';
+
+describe('AboutComponent', () => {
+  let component: AboutComponent;
+  let fixture: ComponentFixture<AboutComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [AboutComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AboutComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/about.component.ts b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.ts
new file mode 100644
index 000000000..f4731b7d4
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/about.component.ts
@@ -0,0 +1,34 @@
+import { Component, OnInit } from '@angular/core';
+
+declare const require;
+
+@Component({
+  selector: 'about',
+  templateUrl: './about.component.html',
+  styleUrls: ['./about.component.scss']
+})
+export class AboutComponent implements OnInit {
+  code = {
+    fakeTypes: require('!!raw-loader!./samples/fake-types.d.ts.not-really'),
+    slides: {
+      template: require('!!raw-loader!./samples/slides/ng-template.html'),
+      component: require('!!raw-loader!./samples/slides/slide-component.html'),
+      directive: require('!!raw-loader!./samples/slides/structural-directive.html')
+    },
+    storingCode: {
+      plain: require('!!raw-loader!./samples/storing-code/plain.html'),
+      backticks: require('!!raw-loader!./samples/storing-code/backticks.html'),
+      backticksMatch: [/{{`/, /`}}/],
+      interpolation: {
+        'bootstrap.ts': require('!!raw-loader!./samples/storing-code/interpolations.ts')
+      }
+    },
+    highlights: {
+      find: require('!!raw-loader!@codelab/code-demos/src/lib/code-demo-editor/utils/utils')
+    }
+  };
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/about.module.ts b/codelab-master/apps/codelab/src/app/codelabs/about/about.module.ts
new file mode 100644
index 000000000..9982deb89
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/about.module.ts
@@ -0,0 +1,15 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { FormsModule } from '@angular/forms';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { AboutComponent } from './about.component';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(AboutComponent));
+
+@NgModule({
+  declarations: [AboutComponent],
+  imports: [CommonModule, SlidesModule, routes, CodeDemoModule, FormsModule]
+})
+export class AboutModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/images/codelab.jpeg b/codelab-master/apps/codelab/src/app/codelabs/about/images/codelab.jpeg
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diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/images/types-work.png b/codelab-master/apps/codelab/src/app/codelabs/about/images/types-work.png
new file mode 100644
index 000000000..379109b9c
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diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/samples/fake-types.d.ts.not-really b/codelab-master/apps/codelab/src/app/codelabs/about/samples/fake-types.d.ts.not-really
new file mode 100644
index 000000000..bd829ea92
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/samples/fake-types.d.ts.not-really
@@ -0,0 +1,146 @@
+interface RouteConfig {
+  path: string;
+  component: any;
+}
+
+declare module '@angular/core' {
+  export class EventEmitter<T> {
+    emit: (param: T) => void;
+  }
+
+  export interface DirectiveConfig {
+    selector: string;
+  }
+
+  export interface ComponentConfig {
+    selector: string;
+    template?: string;
+    templateUrl?: string;
+  }
+
+  export interface PipeConfig {
+    name: string;
+  }
+
+  export function enableProdMode();
+
+  export function Component(config: ComponentConfig);
+
+  export function Directive(config: DirectiveConfig);
+
+  export class TemplateRef<T> {
+  }
+
+  export class ViewContainerRef {
+    clear: () => void;
+    createEmbeddedView: (ref: TemplateRef<any>, context: any) => void;
+  }
+
+  export interface AfterViewInit {
+    ngAfterViewInit: () => void;
+  }
+
+  export interface OnInit {
+    ngOnInit: () => void;
+  }
+
+  export interface NgModuleConfig {
+    imports?: any[];
+    declarations?: any[];
+    providers?: any[];
+    bootstrap?: any[];
+    exports?: any[];
+  }
+
+  export function NgModule(config: NgModuleConfig);
+
+  export function Injectable();
+
+  export function Output();
+
+  export function Input();
+
+  export interface OnChanges {
+    ngOnChanges: (simpleChanges: SimpleChange[]) => void;
+  }
+
+  export interface SimpleChange {
+    [key: string]: any;
+  }
+
+  export function Pipe(config: PipeConfig);
+
+  export interface PipeTransform {
+    transform(value: string);
+  }
+}
+
+declare module '@angular/forms' {
+  export class FormsModule {
+  }
+}
+declare module '@angular/platform-browser' {
+  export class BrowserModule {
+  }
+}
+
+declare module '@angular/platform-browser/animations' {
+  export class NoopAnimationsModule {
+  }
+}
+declare module '@angular/platform-browser-dynamic' {
+  export class Platform {
+    bootstrapModule: (module: any, config?: any) => void;
+  }
+
+  export function platformBrowserDynamic(): Platform;
+}
+
+declare module '@angular/compiler' {
+  export class ResourceLoader {
+  }
+}
+
+declare class Observable<T> {
+  subscribe: (T) => void;
+}
+
+declare module '@angular/router' {
+  export type Routes = Array<RouteConfig>;
+
+  export class RouterModule {
+    static forRoot: (routes: Routes) => any;
+  }
+}
+
+declare module '@angular/common' {
+  export class NgIf {
+    constructor(v: any, t: any);
+  }
+}
+
+declare module '@angular/material' {
+  export class MatTab {
+    position: number;
+  }
+
+  export class MatTabGroup {
+    selectedIndex: number;
+    selectChange: Observable<any>;
+  }
+
+  export class MatInputModule {
+  }
+
+  export class MatTabsModule {
+  }
+
+  export class MatToolbarModule {
+  }
+
+  export class MatCardModule {
+  }
+
+  export class MatButtonModule {
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/ng-template.html b/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/ng-template.html
new file mode 100644
index 000000000..ac97206a2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/ng-template.html
@@ -0,0 +1,11 @@
+<slide-deck>
+  <ng-template>
+    <h2>Awesome slide</h2>
+  </ng-template>
+  <ng-template>
+    <h2>Code sample</h2>
+  </ng-template>
+  <ng-template>
+    <music-player></music-player>
+  </ng-template>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/slide-component.html b/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/slide-component.html
new file mode 100644
index 000000000..a3ef823ca
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/slide-component.html
@@ -0,0 +1,11 @@
+<slide-deck>
+  <slide>
+    <h2>Awesome slide</h2>
+  </slide>
+  <slide>
+    <h2>Code sample</h2>
+  </slide>
+  <slide>
+    <music-player></music-player>
+  </slide>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/structural-directive.html b/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/structural-directive.html
new file mode 100644
index 000000000..1cfbd9f6f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/samples/slides/structural-directive.html
@@ -0,0 +1,11 @@
+<slide-deck>
+  <div *slide>
+    <h2>Awesome slide</h2>
+  </div>
+  <div *slide>
+    <h2>Code sample</h2>
+  </div>
+  <div *slide>
+    <music-player></music-player>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/backticks.html b/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/backticks.html
new file mode 100644
index 000000000..cc57e7b58
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/backticks.html
@@ -0,0 +1,9 @@
+<div *slide id="angular-component">
+  <code-editor>
+    {{` import { Component } from '@angular/core'; @Component({ selector:
+    'hello-world', template: `
+    <h1>Hello I'm an Angular app!</h1>
+    <h2>Very soon you will learn how to create and bootstrap me!</h2>
+    ` }) export class AppComponent {} `}}
+  </code-editor>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/interpolations.ts b/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/interpolations.ts
new file mode 100644
index 000000000..819ef6357
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/interpolations.ts
@@ -0,0 +1,23 @@
+import { Component, NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+@Component({
+  selector: 'app-root',
+  template: `
+    🐶 1 + 2 🦊
+  `,
+  interpolation: ['🐶', '🦊']
+})
+export class AppComponent {}
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
+
+platformBrowserDynamic()
+  .bootstrapModule(AppModule)
+  .catch(err => console.error(err));
diff --git a/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/plain.html b/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/plain.html
new file mode 100644
index 000000000..56f62aa14
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/about/samples/storing-code/plain.html
@@ -0,0 +1,9 @@
+<div *slide id="angular-component">
+  <code-editor>
+    import { Component } from '@angular/core'; @Component({ selector:
+    'hello-world', template: `
+    <h1>Hello I'm an Angular app!</h1>
+    <h2>Very soon you will learn how to create and bootstrap me!</h2>
+    ` }) export class AppComponent {}
+  </code-editor>
+</div>
diff --git a/libs/console/src/lib/display-dynamic.component/display-dynamic-component.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.css
similarity index 100%
rename from libs/console/src/lib/display-dynamic.component/display-dynamic-component.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.html
new file mode 100644
index 000000000..e2e15d39e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.html
@@ -0,0 +1,197 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <!--  INTRO -->
+  <div *slide id="intro" no-padding>
+    <codelab-title-slide
+      i18n-title
+      title="Angular-cli"
+      i18n-description
+      description="Learn how to quickly start working on your Angular app"
+    ></codelab-title-slide>
+  </div>
+
+  <div *slide id="angular-cli">
+    <codelab-breadcrumb i18n>Intro</codelab-breadcrumb>
+    <h2 i18n>
+      Angular CLI is a command line tool that can be used to quickly get up to
+      speed with running your Angular app.
+    </h2>
+
+    <preview-terminal-window>
+      $ ng hello
+      <span class="success" i18n>
+        Hi, I'm <b>angular-cli</b>, I'm a command line tool!
+      </span>
+      <span i18n> It may sound scary, but I'm really easy to use! </span>
+    </preview-terminal-window>
+    <!--Привет, я - <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>angular-cli<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, я инструмент для командой строки!-->
+  </div>
+
+  <div *slide id="npm">
+    <codelab-breadcrumb i18n>node</codelab-breadcrumb>
+    <h2 i18n>Before you start, make sure you have node.js on your machine.</h2>
+    <h2 i18n>Open terminal and type in: <code>node -v</code></h2>
+    <ul>
+      <li i18n>
+        If there is an error, follow the
+        <a href="https://nodejs.org/en/download/">NodeJS setup instructions</a>
+      </li>
+      <li i18n>
+        If the output is a number, you're good, move to the next slide.
+      </li>
+    </ul>
+    <preview-terminal-window>
+      $ node -v<span class="success"> v6.11.3</span>
+    </preview-terminal-window>
+  </div>
+
+  <div *slide id="install">
+    <codelab-breadcrumb i18n>installing</codelab-breadcrumb>
+    <h2 i18n>
+      Run <code>npm install -g @angular/cli</code> to install
+      <b>Angular cli</b> on your machine
+    </h2>
+    <preview-terminal-window>
+      <pre>
+      $ sudo npm install -g @angular/cli<span class="skipped">
+      &hellip; A bunch of output omitted for brevety &hellip;</span>
+      │ ├─┬ strip-ansi@3.0.1
+      │ │ └── ansi-regex@2.1.1
+      │ ├─┬ supports-color@3.2.3
+      │ │ └── has-flag@1.0.0
+      │ └─┬ yargs@6.6.0
+      │ ├── camelcase@3.0.0
+      │ ├── os-locale@1.4.0
+      │ ├─┬ string-width@1.0.2
+      │ │ ├── code-point-at@1.1.0
+      │ │ └─┬ is-fullwidth-code-point@1.0.0
+      │ │ └── number-is-nan@1.0.1
+      │ ├── which-module@1.0.0
+      │ └── yargs-parser@4.2.1
+      ├── webpack-merge@4.1.0
+      ├── webpack-sources@1.0.1
+      └── zone.js@0.8.18
+      </pre>
+    </preview-terminal-window>
+  </div>
+
+  <div *slide id="new-app">
+    <codelab-breadcrumb i18n>Creating new Angular app</codelab-breadcrumb>
+    <h2 i18n>
+      To create a new Angular app run:
+      <code>ng new awesome-app</code>, then <code>cd awesome-app</code>
+    </h2>
+    <preview-terminal-window>
+      <pre>
+      $ ng new awesome-app
+
+      create awesome-app/README.md (1026 bytes)
+      create awesome-app/.angular-cli.json (1288 bytes)
+      create awesome-app/.editorconfig (245 bytes)<span class="skipped">
+        &hellip; A bunch of output omitted for brevety &hellip;</span>
+      create awesome-app/src/app/app.component.spec.ts (986 bytes)
+      create awesome-app/src/app/app.component.ts (207 bytes)
+      <div class="success">
+        Installing packages for tooling via npm.
+        Installed packages for tooling via npm.
+        Successfully initialized git.
+        Project 'awesome-app' successfully created.
+      </div>
+      </pre>
+    </preview-terminal-window>
+  </div>
+
+  <div *slide id="starting">
+    <codelab-breadcrumb i18n>Starting the app</codelab-breadcrumb>
+    <h2 i18n>
+      Once you're in the app folder, start the app with <code>ng serve</code>
+    </h2>
+    <preview-terminal-window
+      >>
+      <pre>
+      $ ng serve
+      ** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
+      Date: 2017-10-22T03:25:09.430Z - Hash: 6af162d0da3cc77873d4
+      Time: 6417ms
+      chunk {{'{'}}inline{{'}'}} inline.bundle.js, inline.bundle.js.map (inline) 5.83 kB [entry] [rendered]
+      chunk {{'{'}}main{{'}'}} main.bundle.js, main.bundle.js.map (main) 8.63 kB {{'{'}}vendor{{'}'}} [initial]
+      [rendered]
+      chunk {{'{'}}polyfills{{'}'}} polyfills.bundle.js, polyfills.bundle.js.map (polyfills) 199 kB {{'{'}}inline{{'}'}}
+        [initial] [rendered]
+      chunk {{'{'}}styles{{'}'}} styles.bundle.js, styles.bundle.js.map (styles) 11.3 kB {{'{'}}inline{{'}'}} [initial]
+      [rendered]
+      chunk {{'{'}}vendor{{'}'}} vendor.bundle.js, vendor.bundle.js.map (vendor) 2.32 MB [initial] [rendered]
+      <span class="success">
+      webpack: Compiled successfully.
+      </span>
+    </pre>
+    </preview-terminal-window>
+
+    <h2 i18n>
+      Once the app is started just open
+      <a href="http://localhost:4200/">http://localhost:4200/</a> in your
+      browser
+    </h2>
+  </div>
+
+  <div *slide id="generating">
+    <codelab-breadcrumb i18n>Generating components</codelab-breadcrumb>
+    <h2 i18n>
+      You can easily generate new components
+      <code>ng generate component my-component</code>
+    </h2>
+    <preview-terminal-window
+      ><pre>
+      $ ng generate component my-component
+      create src/app/my-component/my-component.component.css (0 bytes)
+      create src/app/my-component/my-component.component.html (31 bytes)
+      create src/app/my-component/my-component.component.spec.ts (664 bytes)
+      create src/app/my-component/my-component.component.ts (292 bytes)
+      update src/app/app.module.ts (418 bytes)
+    </pre
+      >
+    </preview-terminal-window>
+
+    <h2 i18n>You can also generate modules, services and pipes</h2>
+    <div class="info" i18n>
+      You can use a shorter version: <code>ng g c my-component</code>
+    </div>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <codelab-breadcrumb i18n
+          >End of The Angular-cli Milestone
+        </codelab-breadcrumb>
+      </div>
+      <div class="body" body>
+        <h2 i18n>
+          This is <b>the end</b> of the codelab, but it's just the beginning of
+          your Angular journey. Below are some links that can help you continue
+          learning.
+        </h2>
+        <ul>
+          <li>
+            <a href="https://angular.io/" target="_blank">Angular.io</a> &mdash;
+            <span i18n>Find features, docs and events listed here</span>
+          </li>
+          <li>
+            <a href="https://cli.angular.io/" target="_blank">Angular CLI</a>
+            <span i18n>
+              makes it easy to create an application that already works, right
+              out of the box and generate new components! It also takes care of
+              the build system for you
+            </span>
+          </li>
+        </ul>
+      </div>
+
+      <div class="footer" footer>
+        <feedback-rating lesson="AngularCli"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.ts
new file mode 100644
index 000000000..ac3904811
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.component.ts
@@ -0,0 +1,11 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-slides-angular-cli',
+  templateUrl: './angular-cli.component.html',
+  styleUrls: [
+    '../../../components/css/codelab-styles.scss',
+    './angular-cli.component.css'
+  ]
+})
+export class AngularCliComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.module.ts
new file mode 100644
index 000000000..b5b0ab118
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-cli/angular-cli.module.ts
@@ -0,0 +1,29 @@
+import { AngularCliComponent } from './angular-cli.component';
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FeedbackModule } from '@codelab/feedback';
+import { CommonModule } from '@angular/common';
+import { BrowserWindowModule } from '@codelab/browser';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+import { FormsModule } from '@angular/forms';
+import { ExternalLinkDirectiveDirective } from '../../../components/external-link-directive/external-link-directive.directive';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+
+const routes = RouterModule.forChild([
+  ...SlidesRoutes.get(AngularCliComponent)
+]);
+
+@NgModule({
+  imports: [
+    routes,
+    FeedbackModule,
+    CommonModule,
+    BrowserWindowModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  declarations: [AngularCliComponent, ExternalLinkDirectiveDirective],
+  exports: [AngularCliComponent]
+})
+export class AngularCliModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/angular-routing.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-routing.module.ts
new file mode 100644
index 000000000..abf90017f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/angular-routing.module.ts
@@ -0,0 +1,181 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { AngularRoutesComponent } from '../../components/angular-routes/angular-routes.component';
+import { FullLayoutComponent } from '../../containers/full-layout';
+import { environment } from '../../../environments/environment';
+import { MENU_ROUTES, MenuRoutes } from '../../common';
+
+const routes: MenuRoutes = [
+  {
+    path: '',
+    component: FullLayoutComponent,
+    children: [
+      {
+        path: '',
+        component: AngularRoutesComponent
+      },
+      {
+        path: 'intro',
+        loadChildren: () => import('@codelab/intro').then(m => m.IntroModule),
+        name: 'Introduction',
+        description: `Learn more about Angular`,
+        page: 'main',
+        prod: true
+      },
+      {
+        path: 'typescript',
+        loadChildren: () =>
+          import('./typescript/typescript.module').then(
+            m => m.TypeScriptModule
+          ),
+        name: 'TypeScript',
+        description:
+          'Angular is written in TypeScript, a superset of JavaScript. Learn TypeScript',
+        page: 'typescript',
+        prod: true
+      },
+      {
+        path: 'create-first-app',
+        loadChildren: () =>
+          import('./create-first-app/create-first-app.module').then(
+            m => m.CreateFirstAppModule
+          ),
+        name: 'Create your first Angular app',
+        description:
+          'Learn how to create and bootstrap your first Angular application',
+        page: 'main',
+        prod: true,
+        translationIds: ['createFirstNgApp', 'learnHowToBootstrapApp']
+      },
+      {
+        path: 'templates',
+        loadChildren: () =>
+          import('./templates/templates.module').then(m => m.TemplatesModule),
+        name: 'Templates',
+        description: 'Learn how to use Angular templates',
+        page: 'main',
+        prod: true,
+        translationIds: ['templates', 'learnUsingTemplates']
+      },
+      {
+        path: 'dependency-injection',
+        loadChildren: () =>
+          import('./dependency-injection/dependency-injection.module').then(
+            m => m.DependencyInjectionModule
+          ),
+        name: 'Dependency-Injection',
+        description:
+          'Learn how to provide dependencies to your code instead of hard-coding them',
+        page: 'main',
+        prod: true,
+        translationIds: ['dependencyInjection', 'learnToProvideDependencies']
+      },
+      {
+        path: 'component-tree',
+        loadChildren: () =>
+          import('./component-tree/component-tree.module').then(
+            m => m.ComponentTreeModule
+          ),
+        name: 'Component-Tree',
+        description: 'Learn how to structure your app with reusable components',
+        page: 'main',
+        prod: true,
+        translationIds: [
+          'componentTree',
+          'learnToStructureAppWithReusableComponents'
+        ]
+      },
+      // {
+      //   path: 'custom-events',
+      //   loadChildren: './custom-events/custom-events.module#CustomEventsModule',
+      //   name: 'Custom-Events (work in progress)',
+      //   description: 'Learn to bind to events.',
+      //   page: 'bonus',
+      //   translationIds: ['customEvents', 'learnToBindToEvents']
+      // },
+      {
+        path: 'router',
+        loadChildren: () =>
+          import('./router/router.module').then(m => m.RouterCodelabModule),
+        name: 'Angular Router',
+        description: 'Learn how to add routes to your Angular application',
+        page: 'main',
+        prod: true
+      },
+      {
+        path: 'material',
+        loadChildren: () =>
+          import('./material/material.module').then(
+            m => m.MaterialCodelabModule
+          ),
+        name: 'Angular Material',
+        description: 'Learn how to use Angular Material',
+        page: 'main',
+        prod: true
+      },
+      {
+        path: 'forms',
+        loadChildren: () =>
+          import('./forms/forms.module').then(m => m.FormsCodelabModule),
+        name: 'Forms',
+        description: 'Learn how to add Forms to your app',
+        page: 'main',
+        prod: true
+      },
+      {
+        path: 'angular-cli',
+        loadChildren: () =>
+          import('./angular-cli/angular-cli.module').then(
+            m => m.AngularCliModule
+          ),
+        name: 'Angular-cli',
+        description: 'Learn how to quickly start working with angular',
+        page: 'main',
+        prod: true
+      },
+      {
+        path: 'pipes',
+        loadChildren: () =>
+          import('./pipes/pipes.module').then(m => m.PipesModule),
+        name: 'Pipes',
+        description:
+          'Learn how pipes transform input values to output values for display in a view',
+        page: 'bonus',
+        prod: false
+      },
+      {
+        path: 'structural-directives',
+        loadChildren: () =>
+          import('./structural-directives/structural-directives.module').then(
+            m => m.StructuralDirectivesModule
+          ),
+        name: 'Structural Directives',
+        description: 'Learn about structural directives in angular',
+        page: 'bonus',
+        prod: true
+      },
+      {
+        path: 'playground',
+        loadChildren: () =>
+          import('./playground/playground.module').then(
+            m => m.PlaygroundModule
+          ),
+        page: 'bonus',
+        prod: true
+      }
+    ]
+  }
+];
+
+const isProd = environment.production;
+export const menuRoutes = routes[0].children
+  .filter(x => x.page === 'main')
+  // Hide non-prod routes in prod
+  .filter(x => !isProd || x.prod);
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule],
+  providers: [{ provide: MENU_ROUTES, useValue: menuRoutes }]
+})
+export class AngularRoutingModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/angular.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/angular.module.ts
new file mode 100644
index 000000000..2a1403745
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/angular.module.ts
@@ -0,0 +1,9 @@
+import { NgModule } from '@angular/core';
+import { AngularRoutingModule } from './angular-routing.module';
+import { FullLayoutModule } from '../../containers/full-layout/full-layout.module';
+import { AngularRoutesModule } from '../../components/angular-routes/angular-routes.module';
+
+@NgModule({
+  imports: [AngularRoutingModule, FullLayoutModule, AngularRoutesModule]
+})
+export class AngularModule {}
diff --git a/libs/console/src/lib/display-dynamic.component/display-dynamic-component.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.css
similarity index 100%
rename from libs/console/src/lib/display-dynamic.component/display-dynamic-component.component.html
rename to codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.html
new file mode 100644
index 000000000..899cba331
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.html
@@ -0,0 +1,282 @@
+<div #translations style="display: none">
+  <div
+    i18n="@@addComponentDecoratorAndSetSelectorToMyVideo"
+    id="addComponentDecoratorAndSetSelectorToMyVideo"
+  >
+    video/video.component.ts: Add the '@Component' decorator and set its
+    selector property to 'my-video'.
+  </div>
+  <div i18n="@@addVideoComponentToAppModule" id="addVideoComponentToAppModule">
+    app.module.ts: Add VideoComponent to the AppModule 'declarations'.
+  </div>
+
+  <div
+    i18n="@@setTemplateUrlToLoadAppropriateFile"
+    id="setTemplateUrlToLoadAppropriateFile"
+  >
+    video/video.component.ts: Set the templateUrl to load the appropriate html
+    file
+  </div>
+  <div
+    i18n="@@addVideoPropertyAndDecorateWithInput"
+    id="addVideoPropertyAndDecorateWithInput"
+  >
+    video/video.component.ts: Add a video property and decorate it with @Input()
+  </div>
+  <div i18n="@@displayVideoTitle" id="displayVideoTitle">
+    video/video.component.html: Display the video title
+  </div>
+  <div i18n="@@displayVideoThumbnail" id="displayVideoThumbnail">
+    video/video.component.html: Display the video thumbnail (src)
+  </div>
+  <div i18n="@@displayVideoDescription" id="displayVideoDescription">
+    video/video.component.html: Display the video description
+  </div>
+  <div i18n="@@displayVideoData" id="displayVideoData">
+    video/video.component.html: Display the video date
+  </div>
+  <div i18n="@@displayNumberOfVideoViews" id="displayNumberOfVideoViews">
+    video/video.component.html: Display the number of video views
+  </div>
+  <div i18n="@@displayNumberOfVideoLikes" id="displayNumberOfVideoLikes">
+    video/video.component.html: Display the number video likes
+  </div>
+  <div i18n="@@replaceTitleAndThumbnail" id="replaceTitleAndThumbnail">
+    app.html: Replace existing title and thumbnail with our shiny new my-video
+    component
+  </div>
+  <div
+    i18n="@@useDataBindingToPassVideoToComponent"
+    id="useDataBindingToPassVideoToComponent"
+  >
+    app.html: Use the data binding to pass the video object to the component
+    (don't forget the square brackets)
+  </div>
+</div>
+
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+
+  <slide-arrows></slide-arrows>
+
+  <!--  MILESTONE #3  Dependency Injection  -->
+  <!-- RECAP -->
+
+  <div *slide id="intro" no-padding>
+    <codelab-title-slide
+      i18n-title
+      title="Component Tree"
+      i18n-description
+      description="Combine components together"
+      prereqs=""
+    ></codelab-title-slide>
+  </div>
+
+  <!--  COMPONENT TREE  -->
+  <div *slide id="description" milestone="component-tree">
+    <codelab-breadcrumb i18n>Component Tree</codelab-breadcrumb>
+    <h2 i18n>
+      So far we have only one component, but as your app grows it will form a
+      tree of components
+    </h2>
+    <codelab-components-hierarchy-svg></codelab-components-hierarchy-svg>
+  </div>
+
+  <!--  Parent/Child COMPONENTS-->
+  <div *slide id="parent-child-component" milestone="Component Tree">
+    <codelab-breadcrumb i18n>Parent and Child</codelab-breadcrumb>
+    <h2 i18n>
+      Any component can render another one by using an HTML element that matches
+      the selector of the other component
+    </h2>
+    <div row>
+      <div column-5>
+        <code-demo-file-path path="box.component.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.circleAndBox.other.boxNoParams"
+          [codeDemoHighlight]="code.parentComponentSkeleton.match"
+        ></code-demo-editor>
+      </div>
+      <div column-5>
+        <code-demo-file-path path="circle.component.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.circleAndBox.files[0].code"
+          [codeDemoHighlight]="code.parentComponentSkeleton.match"
+        ></code-demo-editor>
+      </div>
+    </div>
+    <preview-browser-window style="margin-top: 280px;">
+      <div style="border: 1px #ddd solid; width: 100px">
+        <div
+          style="width: 100px;height: 100px;background-color: green;border-radius: 50%"
+        ></div>
+      </div>
+    </preview-browser-window>
+  </div>
+
+  <!--  PASSING DATA  -->
+  <div *slide id="passing-data" milestone="component-tree">
+    <codelab-breadcrumb i18n
+      >Passing Data from Parent to Child</codelab-breadcrumb
+    >
+    <h2 i18n>
+      Parent component passes its data to the child component via properties
+    </h2>
+    <div class="exercise" i18n>
+      Change the <b>size</b> to <b>100</b> and <b>color</b> to <b>red</b> to
+      recreate the Japanese flag.
+    </div>
+    <codelab-exercise-playground
+      [exercise]="code.boxAndCircle"
+    ></codelab-exercise-playground>
+  </div>
+
+  <!--  PASSING DATA  -->
+  <div *slide id="passing-data-child" milestone="component-tree">
+    <codelab-breadcrumb i18n
+      >Passing Data from Parent to Child</codelab-breadcrumb
+    >
+    <h2 i18n>
+      The child class must decorate its properties with a special
+      <b>@Input()</b> decorator
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.circleAndBox"
+      [highlights]="code.passingDataToChildHighlights"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      This is the first time we're applying decorators to properties (as opposed
+      to classes).
+    </div>
+  </div>
+
+  <div *slide id="exercise-1-pre" milestone="component-tree">
+    <codelab-breadcrumb i18n>Exercise 1</codelab-breadcrumb>
+    <h2 i18n>
+      We already know how to create a component. Let's move all the
+      video-related information into a new component called VideoComponent.
+    </h2>
+    <h3 i18n>
+      We will bootstrap the component for you; the result will be as follows:
+    </h3>
+    <preview-browser-window>
+      <div>
+        <h2 i18n>Cute kitten</h2>
+        <img src="/assets/images/cat-00.png" />
+        <div>Date 2016-11-25</div>
+        <div>Views 100</div>
+        <div>Likes 49329</div>
+        <div>Description todo</div>
+      </div>
+    </preview-browser-window>
+  </div>
+
+  <!--  COMPONENT TREE EXERCISE 1 -->
+  <div *slide id="exercise-1" no-padding>
+    <codelab-exercise
+      milestone="component-tree"
+      [translations]="t"
+      [exercise]="exercise"
+    >
+    </codelab-exercise>
+  </div>
+  <!--TODO: looks like exercise is broken: after entering "selector: 'my-video'" it has error 'undefined in selector-->
+
+  <!-- NgModule -->
+  <div *slide id="module" milestone="component-tree-2">
+    <codelab-breadcrumb i18n>Parent and Child component</codelab-breadcrumb>
+    <h2 i18n>
+      Components won't know about each other unless they're declared in the same
+      module
+    </h2>
+    <code-demo
+      [files]="code.appModule.files"
+      [highlights]="code.appModule.highlights"
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.appModule.code"
+    ></code-demo>
+  </div>
+
+  <div *slide id="recap" milestone="component-tree-2">
+    <codelab-breadcrumb i18n>Review</codelab-breadcrumb>
+    <div>
+      <div row>
+        <div column-5>
+          <code-demo-file-path path="box.component.ts"></code-demo-file-path>
+          <code-demo-editor
+            [fontSize]="15"
+            [(ngModel)]="code.circleAndBox.files[1].code"
+            [codeDemoHighlight]="code.parentComponentSkeleton.match"
+          ></code-demo-editor>
+        </div>
+        <div column-5>
+          <code-demo-file-path path="circle.component.ts"></code-demo-file-path>
+          <code-demo-editor
+            [fontSize]="15"
+            [(ngModel)]="code.circleAndBox.files[0].code"
+            [codeDemoHighlight]="code.parentComponentSkeleton.match"
+          ></code-demo-editor>
+        </div>
+      </div>
+      <div row>
+        <div column-5>
+          <code-demo-file-path path="module.ts"></code-demo-file-path>
+          <code-demo-editor
+            [fontSize]="15"
+            [(ngModel)]="code.circleAndBox.files[2].code"
+            [codeDemoHighlight]="code.appModule.match"
+          ></code-demo-editor>
+        </div>
+        <preview-browser-window
+          style="display: block;width: 50vw; height: 50vh;"
+        >
+          <div style="border: 1px #ddd solid; width: 100px">
+            <div
+              style="width: 30px;height: 30px;background-color: green;border-radius: 50%"
+            ></div>
+          </div>
+        </preview-browser-window>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="exercise-2-pre" milestone="component-tree-2">
+    <codelab-breadcrumb i18n>Exercise 2</codelab-breadcrumb>
+    <h2 i18n>In the next exercise you will use the newly created component</h2>
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercise2"
+    ></codelab-exercise-preview>
+  </div>
+
+  <!--  COMPONENT TREE EXERCISE 2-->
+  <div *slide id="exercise-2" no-padding>
+    <codelab-exercise
+      [translations]="t"
+      [exercise]="exercise2"
+      milestone="component-tree-2"
+    >
+    </codelab-exercise>
+  </div>
+
+  <!--  COMPONENT TREE EXERCISE 2-->
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div header>
+        <codelab-breadcrumb i18n>Milestone Completed</codelab-breadcrumb>
+      </div>
+      <div body></div>
+      <div footer>
+        <h2>
+          <ng-container i18n>Next: </ng-container>
+          <a routerLink="../../router/0" i18n>
+            Learn how to set up routing in your Angular app
+          </a>
+        </h2>
+        <feedback-rating lesson="AngularComponentTree"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.ts
new file mode 100644
index 000000000..edd8eca2e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.component.ts
@@ -0,0 +1,115 @@
+import { AfterViewInit, Component, ViewChild } from '@angular/core';
+import {
+  ExerciseConfigTemplate,
+  Ng2TsExercises,
+  SlideTemplate
+} from '../../../../../../../ng2ts/ng2ts';
+
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+import { boxAndCircle, circleAndBox } from '../../../shared/helpers/helpers';
+
+const circleAndBoxCode = circleAndBox();
+declare const require;
+
+@Component({
+  selector: 'codelab-slides-component-tree',
+  templateUrl: './component-tree.component.html',
+  styleUrls: [
+    '../../../components/css/codelab-styles.scss',
+    './component-tree.component.css'
+  ]
+})
+export class ComponentTreeComponent implements AfterViewInit {
+  t: { [key: string]: string };
+
+  @ViewChild('translations', { static: false }) translation;
+
+  exercise: ExerciseConfigTemplate | SlideTemplate;
+  exercise2: ExerciseConfigTemplate | SlideTemplate;
+  title = 'Component Tree';
+  description = '';
+  prereqs = '';
+
+  code = {
+    parentComponentSkeleton: {
+      match: /slides-circle/,
+      code: `import { Component } from '@angular/core';
+
+@Component({
+  selector: 'slides-hello',
+  template: \`<h1>Hello</h1><slides-world></slides-world>\`
+})
+export class HelloComponent {}
+`,
+      path: 'parent.component.ts',
+      type: 'typescript'
+    },
+    childComponentSkeleton: {
+      code: `import { Component } from '@angular/core';
+
+@Component({
+  selector: 'slides-world',
+  template: '<h1>World</h1>'
+})
+export class WorldComponent {}
+`,
+      path: 'child.component.ts',
+      type: 'typescript'
+    },
+    appModule: {
+      code: {
+        'app.module.ts': require('!!raw-loader!./samples/module/app.module.ts'),
+        'circle.component.ts': require('!!raw-loader!./samples/module/circle.component.ts'),
+        'box.component.ts': require('!!raw-loader!./samples/module/box.component.ts'),
+        'bootstrap.ts': require('!!raw-loader!./../../../shared/angular-code/bootstrap.ts'),
+        'index.html': require('!!raw-loader!./samples/module/index.html')
+      },
+      files: ['app.module.ts'],
+      highlights: { 'app.module.ts': /declarations.*/ }
+    },
+    parentComponent: {
+      code: `import { Component } from '@angular/core';
+import { Result } from './result.model';
+
+@Component({
+  selector: 'parent',
+  template: '<child [data]=”results()”>
+             </child>'
+})
+export class Parent {
+  results(): Result[] {...}
+}`,
+      path: 'parent.component.ts',
+      type: 'typescript'
+    },
+    childComponent: {
+      code: `import { Component, Input } from '@angular/core';
+import { Result } from './result.model';
+
+@Component({
+  selector: 'child',
+  template: '<p *ngFor="let result of data">{{result}}</p>'
+})
+export class Child {
+  @Input() data: Result[];
+}`,
+      path: 'child.component.ts',
+      type: 'typescript'
+    },
+
+    boxAndCircle: boxAndCircle(),
+    circleAndBox: circleAndBoxCode,
+    passingDataToChildHighlights: {
+      'circle.component.ts': [/@Input\(\) size/, /@Input\(\) color/]
+    }
+  };
+
+  constructor(private exercises: Ng2TsExercises) {
+    this.exercise = exercises.getExercises(4, 1);
+    this.exercise2 = exercises.getExercises(4, 2);
+  }
+
+  ngAfterViewInit() {
+    this.t = extractMessages(this.translation);
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.module.ts
new file mode 100644
index 000000000..fd9876520
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/component-tree.module.ts
@@ -0,0 +1,31 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FormsModule } from '@angular/forms';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { ComponentTreeComponent } from './component-tree.component';
+import { ComponentsHierarchySvgComponent } from './components-hierarchy-svg';
+import { Ng2TsExercises } from '../../../../../../../ng2ts/ng2ts';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild([
+  ...SlidesRoutes.get(ComponentTreeComponent)
+]);
+
+@NgModule({
+  imports: [
+    routes,
+    BrowserWindowModule,
+    CodeDemoModule,
+    FeedbackModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  providers: [Ng2TsExercises],
+  declarations: [ComponentTreeComponent, ComponentsHierarchySvgComponent],
+  exports: [ComponentTreeComponent]
+})
+export class ComponentTreeModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.html
new file mode 100644
index 000000000..809f5908c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.html
@@ -0,0 +1,134 @@
+<svg width="90vw" height="60vh" viewBox="0 0 780 540">
+  <style>
+    /* TODO: Use proper fonts */
+    .parent {
+      font-family: Arial, Helvetica, sans-serif;
+      font-size: 50px;
+      fill: white;
+    }
+
+    .child-first {
+      font-family: Arial, Helvetica, sans-serif;
+      font-size: 30px;
+      font-weight: bold;
+      fill: white;
+    }
+  </style>
+
+  <g>
+    <rect
+      x="0"
+      y="0"
+      width="780"
+      height="540"
+      style="fill:rgb(100%,100%,100%);"
+    />
+    <path
+      style="fill:rgb(0%,19.999695%,55.299377%);"
+      d="M 110.039062 288.71875 L 529.199219 288.71875 L 529.199219 263.640625 L 110.039062 263.640625 Z M 110.039062 288.71875 "
+    />
+    <path
+      style="fill:rgb(0%,19.999695%,55.299377%);"
+      d="M 183.839844 124.921875 L 183.839844 93.371094 C 183.839844 75.941406 197.96875 61.808594 215.390625 61.808594 L 509.851562 61.808594 L 509.851562 52.800781 L 527.878906 70.828125 L 509.851562 88.859375 L 509.851562 79.851562 L 215.390625 79.851562 C 207.921875 79.851562 201.871094 85.898438 201.871094 93.371094 L 201.871094 124.921875 Z M 183.839844 124.921875 "
+    />
+    <path
+      style="fill:rgb(0%,19.999695%,55.299377%);"
+      d="M 183.839844 429.359375 L 183.839844 458.550781 C 183.839844 474.671875 196.910156 487.738281 213.03125 487.738281 L 511.199219 487.738281 L 511.199219 496.078125 L 527.878906 479.398438 L 511.199219 462.71875 L 511.199219 471.058594 L 213.03125 471.058594 C 206.121094 471.058594 200.519531 465.460938 200.519531 458.550781 L 200.519531 429.359375 Z M 183.839844 429.359375 "
+    />
+    <path
+      style="fill:rgb(0%,14.898682%,41.598511%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,19.999695%,55.299377%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 0 263.820312 C 0 364.320312 81.476562 445.800781 181.980469 445.800781 C 282.480469 445.800781 363.960938 364.320312 363.960938 263.820312 C 363.960938 163.320312 282.480469 81.839844 181.980469 81.839844 C 81.476562 81.839844 0 163.320312 0 263.820312 Z M 0 263.820312 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(0%,36.898804%,72.198486%);"
+      d="M 563.761719 43.679688 L 665.160156 43.679688 L 665.160156 33.601562 L 563.761719 33.601562 Z M 563.761719 43.679688 "
+    />
+    <path
+      style="fill:rgb(41.999817%,63.09967%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 643.679688 502.859375 C 643.679688 514.820312 653.378906 524.519531 665.339844 524.519531 C 677.300781 524.519531 687 514.820312 687 502.859375 C 687 490.898438 677.300781 481.199219 665.339844 481.199219 C 653.378906 481.199219 643.679688 490.898438 643.679688 502.859375 Z M 643.679688 502.859375 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(0%,36.898804%,72.198486%);"
+      d="M 563.761719 107.878906 L 665.160156 107.878906 L 665.160156 97.679688 L 563.761719 97.679688 Z M 563.761719 107.878906 "
+    />
+    <path
+      style="fill:rgb(41.999817%,63.09967%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 643.679688 436.859375 C 643.679688 448.820312 653.378906 458.519531 665.339844 458.519531 C 677.300781 458.519531 687 448.820312 687 436.859375 C 687 424.898438 677.300781 415.199219 665.339844 415.199219 C 653.378906 415.199219 643.679688 424.898438 643.679688 436.859375 Z M 643.679688 436.859375 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(0%,36.898804%,72.198486%);"
+      d="M 563.761719 249.121094 L 665.160156 249.121094 L 665.160156 238.441406 L 563.761719 238.441406 Z M 563.761719 249.121094 "
+    />
+    <path
+      style="fill:rgb(41.999817%,63.09967%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 643.679688 296.039062 C 643.679688 308.039062 653.378906 317.761719 665.339844 317.761719 C 677.300781 317.761719 687 308.039062 687 296.039062 C 687 284.039062 677.300781 274.320312 665.339844 274.320312 C 653.378906 274.320312 643.679688 284.039062 643.679688 296.039062 Z M 643.679688 296.039062 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(0%,36.898804%,72.198486%);"
+      d="M 563.761719 313.558594 L 665.160156 313.558594 L 665.160156 302.878906 L 563.761719 302.878906 Z M 563.761719 313.558594 "
+    />
+    <path
+      style="fill:rgb(41.999817%,63.09967%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 643.679688 231.660156 C 643.679688 243.621094 653.378906 253.320312 665.339844 253.320312 C 677.300781 253.320312 687 243.621094 687 231.660156 C 687 219.699219 677.300781 210 665.339844 210 C 653.378906 210 643.679688 219.699219 643.679688 231.660156 Z M 643.679688 231.660156 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(0%,36.898804%,72.198486%);"
+      d="M 563.761719 446.160156 L 665.160156 446.160156 L 665.160156 435.601562 L 563.761719 435.601562 Z M 563.761719 446.160156 "
+    />
+    <path
+      style="fill:rgb(41.999817%,63.09967%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 643.679688 99 C 643.679688 111 653.378906 120.71875 665.339844 120.71875 C 677.300781 120.71875 687 111 687 99 C 687 87.003906 677.300781 77.28125 665.339844 77.28125 C 653.378906 77.28125 643.679688 87.003906 643.679688 99 Z M 643.679688 99 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(0%,36.898804%,72.198486%);"
+      d="M 563.761719 510.359375 L 665.160156 510.359375 L 665.160156 499.679688 L 563.761719 499.679688 Z M 563.761719 510.359375 "
+    />
+    <path
+      style="fill:rgb(41.999817%,63.09967%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 643.679688 34.859375 C 643.679688 46.824219 653.378906 56.519531 665.339844 56.519531 C 677.300781 56.519531 687 46.824219 687 34.859375 C 687 22.898438 677.300781 13.199219 665.339844 13.199219 C 653.378906 13.199219 643.679688 22.898438 643.679688 34.859375 Z M 643.679688 34.859375 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(13.299561%,44.699097%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 581.941406 27.238281 C 555.960938 3 513.898438 3 487.921875 27.238281 C 581.941406 114.960938 581.941406 114.960938 581.941406 114.960938 C 607.921875 90.722656 607.921875 51.476562 581.941406 27.238281 Z M 581.941406 27.238281 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(13.299561%,44.699097%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 468.238281 66.898438 C 468.238281 103.851562 498.378906 133.800781 535.558594 133.800781 C 572.738281 133.800781 602.878906 103.851562 602.878906 66.898438 C 602.878906 29.953125 572.738281 0 535.558594 0 C 498.378906 0 468.238281 29.953125 468.238281 66.898438 Z M 468.238281 66.898438 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(13.299561%,44.699097%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 581.941406 433.441406 C 555.960938 409.199219 513.898438 409.199219 487.921875 433.441406 C 581.941406 521.160156 581.941406 521.160156 581.941406 521.160156 C 607.921875 496.921875 607.921875 457.679688 581.941406 433.441406 Z M 581.941406 433.441406 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(13.299561%,44.699097%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 468.238281 473.101562 C 468.238281 510.050781 498.378906 540 535.558594 540 C 572.738281 540 602.878906 510.050781 602.878906 473.101562 C 602.878906 436.148438 572.738281 406.199219 535.558594 406.199219 C 498.378906 406.199219 468.238281 436.148438 468.238281 473.101562 Z M 468.238281 473.101562 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(13.299561%,44.699097%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 581.941406 224.160156 C 555.960938 199.921875 513.898438 199.921875 487.921875 224.160156 C 581.941406 311.878906 581.941406 311.878906 581.941406 311.878906 C 607.921875 287.640625 607.921875 248.398438 581.941406 224.160156 Z M 581.941406 224.160156 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+    <path
+      style="fill:rgb(13.299561%,44.699097%,100%);stroke-width:0.72;stroke-linecap:butt;stroke-linejoin:round;stroke:rgb(0%,9.799194%,27.799988%);stroke-opacity:1;stroke-miterlimit:10;"
+      d="M 468.238281 263.820312 C 468.238281 300.769531 498.378906 330.71875 535.558594 330.71875 C 572.738281 330.71875 602.878906 300.769531 602.878906 263.820312 C 602.878906 226.871094 572.738281 196.921875 535.558594 196.921875 C 498.378906 196.921875 468.238281 226.871094 468.238281 263.820312 Z M 468.238281 263.820312 "
+      transform="matrix(1,0,0,-1,0,540)"
+    />
+  </g>
+
+  <text x="495" y="79" class="child-first">Child</text>
+  <text x="495" y="288" class="child-first">Child</text>
+  <text x="495" y="487" class="child-first">Child</text>
+
+  <text x="110" y="290" class="parent">Parent</text>
+</svg>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.spec.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.spec.ts
new file mode 100644
index 000000000..01b078bc1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ComponentsHierarchySvgComponent } from './components-hierarchy-svg.component';
+
+describe('ComponentsHierarchySvgComponent', () => {
+  let component: ComponentsHierarchySvgComponent;
+  let fixture: ComponentFixture<ComponentsHierarchySvgComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ComponentsHierarchySvgComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ComponentsHierarchySvgComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.ts
new file mode 100644
index 000000000..c35125568
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/components-hierarchy-svg.component.ts
@@ -0,0 +1,8 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-components-hierarchy-svg',
+  templateUrl: './components-hierarchy-svg.component.html',
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ComponentsHierarchySvgComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/index.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/index.ts
new file mode 100644
index 000000000..b96f5ef4b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/components-hierarchy-svg/index.ts
@@ -0,0 +1 @@
+export * from './components-hierarchy-svg.component';
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/app.module.ts
new file mode 100644
index 000000000..ec9353cb0
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/app.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { BoxComponent } from './box.component';
+import { CircleComponent } from './circle.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [BoxComponent, CircleComponent],
+  bootstrap: [BoxComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/box.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/box.component.ts
new file mode 100644
index 000000000..35d3c8310
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/box.component.ts
@@ -0,0 +1,13 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: `
+    <div>
+      <slides-circle [size]="100" [color]="circleColor"></slides-circle>
+    </div>
+  `
+})
+export class BoxComponent {
+  circleColor = 'green';
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/circle.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/circle.component.ts
new file mode 100644
index 000000000..c670862b2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/circle.component.ts
@@ -0,0 +1,11 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'slides-circle',
+  template:
+    '<div class="circle" [style.width]="size" [style.height]="size" [style.background]="color"></div>'
+})
+export class CircleComponent {
+  @Input() size: number;
+  @Input() color: string;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/index.html b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/index.html
new file mode 100644
index 000000000..1ca8c6f04
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/component-tree/samples/module/index.html
@@ -0,0 +1,13 @@
+<!DOCTYPE >
+<head>
+  <style>
+    .circle {
+      border-radius: 50%;
+    }
+  </style>
+</head>
+<body>
+  <my-app>
+    Loading...
+  </my-app>
+</body>
diff --git a/libs/utils/src/lib/sandbox-runner/typescript-checker-runner/typescript-checker-runner.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.css
similarity index 100%
rename from libs/utils/src/lib/sandbox-runner/typescript-checker-runner/typescript-checker-runner.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.html
new file mode 100644
index 000000000..f436bb307
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.html
@@ -0,0 +1,512 @@
+<div #translations style="display: none">
+  <div i18n="@@componentIsDecorator" id="componentIsDecorator">
+    @Component is an Angular decorator
+  </div>
+  <div i18n="@@noSemicolon" id="noSemicolon">
+    No semicolon here (as it attaches itself to the class below
+  </div>
+  <div i18n="@@decoratorGoesAboveEntity" id="decoratorGoesAboveEntity">
+    The Decorator goes directly above the decorated entity (class in this case)
+  </div>
+  <div i18n="@@componentNameIsClassName" id="componentNameIsClassName">
+    Component name is the class name (AppComponent).
+  </div>
+  <div i18n="@@createClassAppComponent" id="createClassAppComponent">
+    Create a class called 'AppComponent'
+  </div>
+  <div i18n="@@createClassAppModule" id="createClassAppModule">
+    Create a class called 'AppModule'
+  </div>
+  <div i18n="@@allSetBootstrapApp" id="allSetBootstrapApp">
+    All set! Bootstrap your application
+  </div>
+
+  <div i18n="@@exportClass" id="exportClass">Export the class</div>
+  <div i18n="@@addComponentDecorator" id="addComponentDecorator">
+    Add a Component decorator for the class
+  </div>
+  <div i18n="@@addSelectorMyApp" id="addSelectorMyApp">
+    Add a selector to the component decorator and set it to 'my-app'
+  </div>
+  <div i18n="@@addTemplateHelloMewTube" id="addTemplateHelloMewTube">
+    Add a template that contains: h1 with a text "Hello MewTube!"
+  </div>
+  <div i18n="@@addNgModuleDecorator" id="addNgModuleDecorator">
+    Add a NgModule decorator for the class
+  </div>
+  <div i18n="@@addBrowserModuleToNgModule" id="addBrowserModuleToNgModule">
+    Add 'BrowserModule' to the NgModule decorator imports
+  </div>
+  <div
+    i18n="@@addAppComponentToDeclarations"
+    id="addAppComponentToDeclarations"
+  >
+    Add 'AppComponent' to the 'declarations' property of the decorator
+  </div>
+  <div i18n="@@addAppComponentToBootstrap" id="addAppComponentToBootstrap">
+    Add 'AppComponent' to the 'bootstrap' property of the decorator
+  </div>
+</div>
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <div *slide id="intro" no-padding>
+    <codelab-title-slide
+      title="Create your first Angular app"
+      i18n-title="@@CreateYFirstAgApp"
+      description="You will learn how to create your first Angular component, put it in a module, and bootstrap the app."
+      i18n-description
+      prereqs="Knowing TypeScript basics would help a lot"
+      i18n-prereqs
+    ></codelab-title-slide>
+  </div>
+
+  <!--WHAT IS ANGULAR-->
+  <div *slide id="angular-description" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>What is Angular?</codelab-breadcrumb>
+    <div class="centered-vertically">
+      <h2 i18n>
+        Angular is a <b>development platform</b> for building mobile and desktop
+        applications. Angular lets you <b>extend HTML's syntax</b> to express
+        your application's components clearly and succinctly. Angular's binding
+        and Dependency Injection <b>eliminate much of the code</b> you would
+        otherwise have to write.
+      </h2>
+    </div>
+  </div>
+
+  <!--index.html-->
+  <div *slide id="index-html" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Intro</codelab-breadcrumb>
+    <h2 i18n>Given an HTML file:</h2>
+    <code-demo
+      [fontSize]="18"
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.indexHtml"
+      [highlights]="code.indexHtmlMatches"
+    ></code-demo>
+    <h2 i18n style="margin-top: 20px;">
+      Let's create an Angular app which replaces the <b>hello-world</b> HTML
+      element with the app's contents.
+    </h2>
+    <h2 i18n>This can be done with 3 simple steps.</h2>
+  </div>
+
+  <!--Steps to create an Angular app-->
+  <div *slide id="angular-app" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Intro</codelab-breadcrumb>
+    <h2 i18n>The 3 steps are:</h2>
+    <ol>
+      <li i18n>Create an Angular component</li>
+      <li i18n>Create an Angular module</li>
+      <li i18n>Bootstrap the module</li>
+    </ol>
+  </div>
+
+  <!--COMPONENT-->
+  <div *slide id="component" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Step 1</codelab-breadcrumb>
+    <h2 i18n>
+      Start by creating an Angular <b>Component</b>. Components in Angular are
+      responsible for the visual part of the app
+    </h2>
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.component.ts"
+      [highlights]="code.componentMatches"
+    ></code-demo>
+    <h2 i18n>
+      An Angular component is just a class. Properties and behavior can be added
+      inside.
+    </h2>
+  </div>
+
+  <!--@-Decorator-->
+  <div *slide id="component-decorator" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Decorators</codelab-breadcrumb>
+
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.component.ts"
+      [highlights]="code.decoratorsMatches"
+    ></code-demo>
+
+    <h2 i18n>The class is adorned with a <b>@Component</b> decorator</h2>
+    <div class="info" i18n>
+      Decorators attach <b>Angular</b> specific information to the class.
+    </div>
+  </div>
+
+  <!--@-Decorator-->
+  <div *slide id="decorator" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Decorators</codelab-breadcrumb>
+    <h2 i18n>
+      Decorators are a new feature of TypeScript. They attach metadata to a
+      class, function, property or variable
+    </h2>
+    <code-demo-editor
+      language="typescript"
+      [fontSize]="30"
+      [(ngModel)]="code.decorators.code"
+    ></code-demo-editor>
+
+    <div class="info" i18n>
+      TypeScript decorators are inspired by a similar feature in the Python
+      language.
+    </div>
+  </div>
+
+  <!--Selector-->
+  <div *slide id="selector" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Selector</codelab-breadcrumb>
+    <h2 i18n>
+      Selectors define the location of the component. When Angular renders this
+      component, it'll find a <b>hello-world</b> HTML element in the document
+      and render the component inside of it
+    </h2>
+
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.component.ts"
+      [highlights]="code.selectorMatches"
+    ></code-demo>
+  </div>
+
+  <!--Template-->
+  <div *slide id="template" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Inline Template</codelab-breadcrumb>
+    <h2 i18n>Template defines the HTML code that the component generates</h2>
+
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.component.ts"
+      [highlights]="code.templateMatches"
+    ></code-demo>
+    <div class="info" i18n>
+      If the amount of HTML grows out of hand, it's possible (and recommended)
+      to use a <b>templateUrl</b> instead and provide a path to the HTML file.
+    </div>
+  </div>
+
+  <!--MODULE BOOTSTRAPPING-->
+  <div *slide id="exercise-component-pre" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide you'll create your first <b>Angular</b> component! We'll
+      do all the wiring for you. The result will look like this:
+    </h2>
+
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercises[0]"
+    ></codelab-exercise-preview>
+  </div>
+
+  <!--Angular app exercise-->
+  <div *slide no-padding id="exercise-component">
+    <codelab-exercise
+      [translations]="t"
+      testRunner="babel"
+      [exercise]="exercises[0]"
+      milestone="Bootstrap"
+    >
+      <div class="description"><p i18n>Create first Angular component!</p></div>
+    </codelab-exercise>
+  </div>
+
+  <!--ngModule intro-->
+  <div *slide id="module" milestone="Bootstrap2">
+    <codelab-breadcrumb i18n>Step 2</codelab-breadcrumb>
+    <h2 i18n>Next step is to declare the component in an <b>NgModule</b>.</h2>
+    <h2 i18n>
+      <b>NgModule</b> does not have any visual representation and is used
+      exclusively for grouping Angular building blocks together
+    </h2>
+    <div class="info" i18n>
+      We will learn more about NgModules in the future milestones
+    </div>
+  </div>
+
+  <!--MODULE ANATOMY-->
+  <div *slide id="module-exercise" milestone="Bootstrap2">
+    <codelab-breadcrumb i18n>Module Class</codelab-breadcrumb>
+    <h2 i18n>Like a component, <b>Angular</b> module is just a class</h2>
+
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.module.ts"
+      [highlights]="code.exportMatches"
+    ></code-demo>
+  </div>
+
+  <!--MODULE ANATOMY-->
+  <div *slide id="module-decorator" milestone="Bootstrap2">
+    <codelab-breadcrumb i18n>NgModule Decorator</codelab-breadcrumb>
+    <h2 i18n>
+      Like a component, <b>Angular</b> module is adorned with a decorator
+      providing metadata
+    </h2>
+
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.module.ts"
+      [highlights]="code.ngModuleMatches"
+    ></code-demo>
+  </div>
+
+  <!--Imports-->
+  <div *slide id="imports" milestone="Bootstrap2">
+    <codelab-breadcrumb i18n>Browser Module</codelab-breadcrumb>
+    <codelab-slides-ng-module-mode></codelab-slides-ng-module-mode>
+  </div>
+
+  <!--Declarations-->
+  <div *slide id="declarations" milestone="Bootstrap2">
+    <codelab-breadcrumb i18n>Declarations</codelab-breadcrumb>
+    <h2 i18n>
+      The <b>declarations</b> array specifies components belonging to the
+      AppModule
+    </h2>
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.module.ts"
+      [highlights]="code.declarationsMatches"
+    ></code-demo>
+  </div>
+
+  <!--Bootstrap-->
+  <div *slide id="bootstrap" milestone="Bootstrap2">
+    <codelab-breadcrumb i18n>Bootstrap</codelab-breadcrumb>
+    <h2 i18n>
+      The component passed into the <b>bootstrap</b> array will be created and
+      displayed in your <b>index.html</b> file
+    </h2>
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.module.ts"
+      [highlights]="code.bootstrapMatches"
+    ></code-demo>
+  </div>
+
+  <!--MODULE BOOTSTRAPPING-->
+  <div *slide id="exercise-module-pre" milestone="Bootstrap2">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide you'll create your first <b>Angular</b> module! We'll
+      use the component from the previous exercises and do all the wiring for
+      you. The result will look like this:
+    </h2>
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercises[1]"
+    ></codelab-exercise-preview>
+  </div>
+
+  <!--DESCRIPTION 1-->
+  <div *slide id="exercise-module" no-padding>
+    <codelab-exercise
+      [translations]="t"
+      testRunner="babel"
+      [exercise]="exercises[1]"
+      milestone="Bootstrap2"
+    >
+      <div class="description"><p i18n>Create first NgModule.</p></div>
+    </codelab-exercise>
+  </div>
+
+  <!--MODULE BOOTSTRAPPING-->
+  <div *slide id="bootstrapping" milestone="Bootstrap3">
+    <codelab-breadcrumb i18n>Bootstrapping</codelab-breadcrumb>
+    <h2 i18n>
+      We have everything ready, so now it's time to start (bootstrap) the app!
+    </h2>
+    <h2 i18n>
+      Passing your <b>AppModule</b> to the <b>bootstrapModule</b> method will
+      start up all the components from that module's bootstrap section
+    </h2>
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="bootstrap.ts"
+    ></code-demo>
+    <div class="info" i18n>
+      For most simple apps, you can just copy/paste the code above "as is"
+    </div>
+  </div>
+
+  <div *slide id="bootstrapping-more" milestone="Bootstrap">
+    <codelab-breadcrumb i18n>Bootstrapping 1</codelab-breadcrumb>
+    <h2 i18n>How does bootstrapping work in Angular?</h2>
+    <br />
+    <h2 i18n>
+      1. Kicks off execution environment. <b>platformBrowserDynamic()</b> tells
+      Angular that we are operating in the browser
+    </h2>
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="bootstrap.ts"
+      [highlights]="code.bootstrapPlatformMatches"
+    ></code-demo>
+
+    <div class="info">
+      <a href="https://angular.io/guide/bootstrapping" target="_blank" i18n
+        >Read more about root module and bootstrapping in Angular
+      </a>
+    </div>
+  </div>
+
+  <div *slide id="bootstrapping-more-2" milestone="Bootstrap3">
+    <codelab-breadcrumb i18n>Bootstrapping 2</codelab-breadcrumb>
+    <h2 i18n>
+      2. Angular initializes the component from the <b>bootstrap</b> array in
+      <b>app.module.ts</b> (<b>HelloWorldComponent</b> in this case)
+    </h2>
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="app.module.ts"
+      [highlights]="code.bootstrapMatches"
+    ></code-demo>
+
+    <div class="info">
+      <a href="https://angular.io/guide/bootstrapping" target="_blank" i18n
+        >Read more about root module and bootstrapping in Angular
+      </a>
+    </div>
+  </div>
+
+  <div *slide id="bootstrapping-more-3" milestone="Bootstrap3">
+    <codelab-breadcrumb i18n>Bootstrapping 3</codelab-breadcrumb>
+    <h2 i18n>
+      3. Angular looks in the document for an element matching the selector
+      defined in <b>HelloWorldComponent</b> (<b>'hello-world'</b> in our case)
+      and inserts the component inside that element
+    </h2>
+    <code-demo
+      [fontSize]="18"
+      [(ngModel)]="code.angularApp"
+      files="index.html"
+      [highlights]="code.indexHtmlMatches"
+    ></code-demo>
+
+    <div class="info">
+      <a href="https://angular.io/guide/bootstrapping" target="_blank" i18n
+        >Read more about root module and bootstrapping in Angular
+      </a>
+    </div>
+  </div>
+
+  <div *slide id="exercise-bootstrap-pre" milestone="Bootstrap3">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      All set! In the next page you'll bootstrap your first <b>Angular</b> app!
+    </h2>
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercises[2]"
+    ></codelab-exercise-preview>
+  </div>
+
+  <!--DESCRIPTION 2-->
+  <div *slide id="exercise-bootstrap" no-padding>
+    <codelab-exercise
+      milestone="Bootstrap3"
+      testRunner="babel"
+      [translations]="t"
+      [exercise]="exercises[2]"
+    >
+      <div class="description">
+        <p i18n>
+          Now that we've got both NgModule and the component ready, let's
+          bootstrap the app!
+        </p>
+      </div>
+    </codelab-exercise>
+    <!--TODO: check the result area - it's shown if the test passed for the first time, but doesn't disappear in case if to broke the test-->
+  </div>
+
+  <!--Whole picture-->
+  <div *slide id="overview">
+    <codelab-breadcrumb i18n>Review</codelab-breadcrumb>
+    <h2 i18n>Loading order: index -> main -> app.module -> app.component</h2>
+
+    <div row>
+      <div class="col-6">
+        <code-demo-file-path path="index.html"></code-demo-file-path>
+
+        <code-demo-editor
+          style="height: 50vh"
+          [fontSize]="18"
+          [codeDemoHighlight]="code.indexHtmlMatches['index.html']"
+          language="html"
+          [(ngModel)]="code.angularApp['index.html']"
+        ></code-demo-editor>
+      </div>
+      <div class="col-6">
+        <code-demo-file-path path="bootstrap.ts"></code-demo-file-path>
+
+        <code-demo-editor
+          style="height: 50vh"
+          [fontSize]="18"
+          [(ngModel)]="code.angularApp['bootstrap.ts']"
+        ></code-demo-editor>
+      </div>
+    </div>
+    <div row>
+      <div class="col-6">
+        <code-demo-file-path path="app.module.ts"></code-demo-file-path>
+
+        <code-demo-editor
+          style="height: 50vh"
+          [fontSize]="18"
+          [(ngModel)]="code.angularApp['app.module.ts']"
+        ></code-demo-editor>
+      </div>
+      <div class="col-6">
+        <code-demo-file-path path="app.component.ts"></code-demo-file-path>
+
+        <code-demo-editor
+          style="height: 50vh"
+          [fontSize]="18"
+          [codeDemoHighlight]="code.helloMatches['app.component.ts']"
+          [(ngModel)]="code.angularApp['app.component.ts']"
+        ></code-demo-editor>
+      </div>
+    </div>
+
+    <div class="info" i18n>
+      While Angular is loading, the contents of the element will stay the same
+      (<b>Loading...</b>) in this case
+    </div>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <codelab-breadcrumb i18n>End of Bootstrap Section</codelab-breadcrumb>
+      </div>
+      <div class="body" body>
+        <h2 i18n>Well done! This is the end of the milestone!</h2>
+      </div>
+      <div class="footer" footer>
+        <h2>
+          <ng-container i18n>Next:</ng-container>
+          <a routerLink="../../templates/0" i18n>
+            Go to the templates Milestone
+          </a>
+        </h2>
+        <feedback-rating lesson="FirstAngularApp"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.ts
new file mode 100644
index 000000000..9ec58100f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.component.ts
@@ -0,0 +1,128 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+
+import { ng2tsConfig } from '../../../../../../../ng2ts/ng2ts';
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+
+declare const require;
+
+@Component({
+  selector: 'codelab-slides-create-first-app',
+  templateUrl: './create-first-app.component.html',
+  styleUrls: [
+    '../../../components/css/codelab-styles.scss',
+    './create-first-app.component.css'
+  ]
+})
+export class CreateFirstAppComponent implements OnInit {
+  t: { [key: string]: string };
+
+  // TODO(kirjs): we can't access tanslation in OnInit hook iwht static set to false
+  // need to consider changing how we set code
+  @ViewChild('translations', { static: true }) translation;
+  //  Exercises
+  exercises = [
+    ng2tsConfig.milestones[1].exercises[1],
+    ng2tsConfig.milestones[1].exercises[2],
+    ng2tsConfig.milestones[1].exercises[3],
+    {
+      name: 'Create a component',
+      description: '<p>Create first Angular component!</p>',
+      files: [
+        {
+          bootstrap: false,
+          excludeFromTesting: false,
+          type: 'typescript',
+          path: 'app.component.ts',
+          template: `import {Component} from '@angular/core';\n\n`,
+          moduleName: 'app.component',
+          code: `import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: '<h1>Hello MewTube!</h1>',
+})
+export class AppComponent {
+}
+`,
+          solution: `import { Component } from '@angular/core';\n\n@Component({\n  selector: 'my-app',\n
+              template: '<h1>Hello MewTube!</h1>',\n})\nexport class AppComponent {\n}\n`,
+          after: 'export function evalJs( js ){ return eval(js);}'
+        },
+        {
+          bootstrap: false,
+          excludeFromTesting: false,
+          type: 'typescript',
+          path: 'app.module.ts',
+          template: `import { BrowserWindowModule } from '@angular/platform-browser';\nimport { NgModule } from '@angular/core';\n
+            import { AppComponent } from './app.component';\n\n@NgModule({\n  imports: [BrowserWindowModule],\n  declarations: [AppComponent],
+            \n  bootstrap: [AppComponent]\n})\nexport class AppModule {\n}\n`,
+          moduleName: 'app.module',
+          code: `import { BrowserWindowModule } from '@angular/platform-browser';\nimport {NgModule} from '@angular/core';\n
+            import { AppComponent } from './app.component';\n\n@NgModule({\n  imports: [BrowserWindowModule],\n  declarations: [AppComponent],
+            \n  bootstrap: [AppComponent]\n})\nexport class AppModule {\n}\n`,
+          readonly: true,
+          collapsed: true
+        },
+        {
+          bootstrap: true,
+          excludeFromTesting: true,
+          type: 'typescript',
+          path: 'main.ts',
+          template: `import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\nimport {AppModule} from './app.module';\n\n
+            const platform = platformBrowserDynamic();\nplatform.bootstrapModule(AppModule);\n`,
+          moduleName: 'main',
+          code: `import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';\nimport {AppModule} from './app.module';\n\n
+            const platform = platformBrowserDynamic();\nplatform.bootstrapModule(AppModule);\n`,
+          readonly: true,
+          collapsed: true
+        }
+      ]
+    }
+  ];
+
+  // tslint:disable:max-line-length TODO: Clean up exercises and remove this comment.
+  private code: any = {};
+
+  // tslint:enable:max-line-length
+
+  ngOnInit() {
+    this.t = extractMessages(this.translation);
+
+    this.code = {
+      indexHtml: {
+        'index.html': require('!!raw-loader!./samples/index-html/index.html'),
+        'bootstrap.ts': require('!!raw-loader!./samples/index-html/bootstrap.ts')
+      },
+      angularApp: {
+        'index.html': require('!!raw-loader!./samples/app-component/index.html'),
+        'bootstrap.ts': require('!!raw-loader!./samples/app-component/bootstrap.ts'),
+        'app.component.ts': require('!!raw-loader!./samples/app-component/app.component.ts'),
+        'app.module.ts': require('!!raw-loader!./samples/app-component/app.module.ts')
+      },
+      indexHtmlMatches: { 'index.html': /<hello-[^]*world>/ },
+      helloMatches: { 'app.component.ts': /hello-world/ },
+      componentMatches: { 'app.component.ts': /export.*/ },
+      decoratorsMatches: { 'app.component.ts': /@C[^]*?\)[^]/ },
+      selectorMatches: { 'app.component.ts': /selector.*'.*'/ },
+      templateMatches: { 'app.component.ts': /template: `[^]*?`[^]/ },
+      exportMatches: { 'app.module.ts': /export.*/ },
+      ngModuleMatches: { 'app.module.ts': /@N[^]*?\)[^]/ },
+      declarationsMatches: { 'app.module.ts': /declarations.*/ },
+      bootstrapMatches: { 'app.module.ts': /bootstrap.*/ },
+      bootstrapPlatformMatches: {
+        'bootstrap.ts': /platformBrowserDynamic\(\).*/
+      },
+      decorators: {
+        code: `import {Component} from '@angular/core';
+// ${this.t.componentIsDecorator}
+@Component({
+  // metadata
+}) // ${this.t.noSemicolon}
+export class AppComponent {
+  // ${this.t.decoratorGoesAboveEntity}
+  // ${this.t.componentNameIsClassName}
+}`
+      }
+    };
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.module.ts
new file mode 100644
index 000000000..9833b1325
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/create-first-app.module.ts
@@ -0,0 +1,32 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FeedbackModule } from '@codelab/feedback';
+import { CommonModule } from '@angular/common';
+import { BrowserWindowModule } from '@codelab/browser';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { FormsModule } from '@angular/forms';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+import { ModeComponent } from './mode/mode.component';
+import { CreateFirstAppComponent } from './create-first-app.component';
+
+const routes = RouterModule.forChild([
+  ...SlidesRoutes.get(CreateFirstAppComponent)
+]);
+
+@NgModule({
+  imports: [
+    routes,
+    FeedbackModule,
+    CommonModule,
+    CodeDemoModule,
+    BrowserWindowModule,
+    CodelabComponentsModule,
+    CodeDemoModule,
+    SlidesModule,
+    FormsModule
+  ],
+  declarations: [CreateFirstAppComponent, ModeComponent],
+  exports: [CreateFirstAppComponent]
+})
+export class CreateFirstAppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.css
new file mode 100644
index 000000000..41bfec4ae
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.css
@@ -0,0 +1,46 @@
+.mode {
+  background-size: cover;
+  cursor: pointer;
+  background-repeat: no-repeat;
+  width: 60px;
+  height: 40px;
+  padding: 5px;
+  margin-right: 10px;
+  filter: grayscale(100%);
+}
+
+.mode.mode-current {
+  filter: none;
+}
+
+.mode:hover {
+  border-bottom: 5px solid gray;
+}
+
+.mode-web {
+  background-image: url(./pics/browsericon.png);
+}
+
+.mode-mobile {
+  background-image: url(./pics/phoneicon.png);
+}
+
+.mode-vr {
+  background-image: url(./pics/vricon.png);
+}
+
+.angular {
+  width: 100px;
+}
+
+.module-options {
+  display: flex;
+}
+
+.box-row {
+  display: flex;
+}
+
+.box-row-fill {
+  width: 50vw;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.html
new file mode 100644
index 000000000..648df0149
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.html
@@ -0,0 +1,70 @@
+<div *ngIf="mode === 'web'">
+  <h2 i18n>
+    Because we're building a browser web app, we need to pass
+    <b>BrowserModule</b> to the <b>imports</b> array
+  </h2>
+  <div class="box-row">
+    <div class="box-row-fill">
+      <code-demo-file-path path="app.module.ts"></code-demo-file-path>
+
+      <code-demo-editor
+        [fontSize]="30"
+        [(ngModel)]="code.moduleAnatomy.code"
+        style="height: 400px;"
+        [codeDemoHighlight]="[code.moduleAnatomy.matches.importsArr]"
+      ></code-demo-editor>
+    </div>
+    <preview-browser-window style="width: 490px; height: 300px;">
+      <h1>Hello World</h1>
+      <div style="width: 100%; text-align: center;">
+        <img class="angular" src="/assets/images/angular.svg" />
+      </div>
+    </preview-browser-window>
+  </div>
+</div>
+<div *ngIf="mode === 'mobile'">
+  <h2 i18n>With Angular we build mobile apps using NativeScript or Ionic.</h2>
+  <div class="box-row">
+    <div class="box-row-fill">
+      <code-demo-editor
+        [fontSize]="30"
+        [(ngModel)]="code.moduleAnatomy.codeMobile"
+        [codeDemoHighlight]="[code.moduleAnatomy.matches.importsArr]"
+      ></code-demo-editor>
+    </div>
+    <img
+      style="height: 340px; padding-top: 10px;"
+      src="/assets/images/helloworldapp.png"
+    />
+  </div>
+</div>
+<div *ngIf="mode === 'vr'">
+  <h2 i18n>With Angular you can build VR apps with A-FRAME or WEBGL.</h2>
+  <div class="box-row">
+    <div class="box-row-fill">
+      <code-demo-editor
+        [fontSize]="30"
+        [(ngModel)]="code.moduleAnatomy.codeVR"
+      ></code-demo-editor>
+    </div>
+    <img
+      style="width: 680px; padding-top: 10px;"
+      src="/assets/images/vrhelloworld.png"
+    />
+  </div>
+</div>
+
+<div class="info mt-60" i18n style="display: flex;">
+  <div>
+    Angular is not just for web apps anymore; you can also use it to create
+    native phone apps and even VR scenes.
+  </div>
+  <div class="module-options">
+    <a
+      class="mode mode-{{ m }}"
+      *ngFor="let m of modes"
+      [class.mode-current]="mode === m"
+      (click)="mode = m"
+    ></a>
+  </div>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.spec.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.spec.ts
new file mode 100644
index 000000000..b4a31eca0
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.spec.ts
@@ -0,0 +1,22 @@
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+import { NO_ERRORS_SCHEMA } from '@angular/core';
+import { ModeComponent } from './mode.component';
+
+describe('ModeComponent', () => {
+  let component: ModeComponent;
+  let fixture: ComponentFixture<ModeComponent>;
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      schemas: [NO_ERRORS_SCHEMA],
+      declarations: [ModeComponent]
+    });
+    fixture = TestBed.createComponent(ModeComponent);
+    component = fixture.componentInstance;
+  });
+  it('can load instance', () => {
+    expect(component).toBeTruthy();
+  });
+  it(`modes defaults to: ['web', 'mobile', 'vr']`, () => {
+    expect(component.modes).toEqual(['web', 'mobile', 'vr']);
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.ts
new file mode 100644
index 000000000..d2389b298
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/mode.component.ts
@@ -0,0 +1,52 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-slides-ng-module-mode',
+  templateUrl: './mode.component.html',
+  styleUrls: ['./mode.component.css']
+})
+export class ModeComponent implements OnInit {
+  modes = ['web', 'mobile', 'vr'];
+  mode = this.modes[0];
+  code = {
+    moduleAnatomy: {
+      // Module Anatomy - Milestone #1
+      code: `/* Imports */
+
+@NgModule({
+  imports: [ BrowserModule ],
+  declarations: [ HelloWorldComponent ],
+  bootstrap: [ HelloWorldComponent ],
+})
+export class AppModule {}`,
+      codeMobile: `/* Imports */
+
+@NgModule({
+  imports: [ NativeScriptModule ],
+  declarations: [ HelloWorldComponent ],
+  bootstrap: [ HelloWorldComponent ],
+})
+export class AppModule {}`,
+      codeVR: `/* Imports */
+
+@NgModule({
+  imports: [ SomeMagicVRModule ],
+  declarations: [ HelloWorldComponent ],
+  bootstrap: [ HelloWorldComponent ],
+})
+export class AppModule {}`,
+      matches: {
+        exportClass: /export.*/,
+        ngModule: /@N[^]*?\)[^]/,
+        importsArr: /imports.*/
+      },
+      readonly: true,
+      path: 'module.anatomy.ts',
+      type: 'typescript'
+    }
+  };
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/browsericon.png b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/browsericon.png
new file mode 100644
index 000000000..26d3ff2ae
Binary files /dev/null and b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/browsericon.png differ
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/phoneicon.png b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/phoneicon.png
new file mode 100644
index 000000000..b5b6350f1
Binary files /dev/null and b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/phoneicon.png differ
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/vricon.png b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/vricon.png
new file mode 100644
index 000000000..45453645e
Binary files /dev/null and b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/mode/pics/vricon.png differ
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/app.component.ts
new file mode 100644
index 000000000..fab01d4c7
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'hello-world',
+  template: `
+    <h1>Hello I'm an Angular app!</h1>
+    <h2>Very soon you will learn how to create and bootstrap me!</h2>
+  `
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/app.module.ts
new file mode 100644
index 000000000..02260c17c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/app.module.ts
@@ -0,0 +1,10 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/bootstrap.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/bootstrap.ts
new file mode 100644
index 000000000..2470c9595
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/bootstrap.ts
@@ -0,0 +1,4 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app.module';
+
+platformBrowserDynamic().bootstrapModule(AppModule);
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/index.html b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/index.html
new file mode 100644
index 000000000..c9d305ae1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/app-component/index.html
@@ -0,0 +1,10 @@
+<!DOCTYPE >
+<body>
+  <hello-world>
+    Loading...
+  </hello-world>
+
+  <!--this is main.ts compiled.
+  Often build system will insert the script tag for you-->
+  <script src="main.js"></script>
+</body>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/index-html/bootstrap.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/index-html/bootstrap.ts
new file mode 100644
index 000000000..aa06ef41d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/index-html/bootstrap.ts
@@ -0,0 +1,22 @@
+import { Component, NgModule } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { BrowserModule } from '@angular/platform-browser';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: 'hello-world',
+  template: `
+    <h1>Hello I'm an Angular app!</h1>
+    <h2>Very soon you will learn how to create and bootstrap me!</h2>
+  `
+})
+export class AppComponent {}
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
+
+platformBrowserDynamic().bootstrapModule(AppModule);
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/index-html/index.html b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/index-html/index.html
new file mode 100644
index 000000000..c9d305ae1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/create-first-app/samples/index-html/index.html
@@ -0,0 +1,10 @@
+<!DOCTYPE >
+<body>
+  <hello-world>
+    Loading...
+  </hello-world>
+
+  <!--this is main.ts compiled.
+  Often build system will insert the script tag for you-->
+  <script src="main.js"></script>
+</body>
diff --git a/libs/utils/src/lib/sandbox-runner/typescript-test-runner/typescript-test-runner.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.css
similarity index 100%
rename from libs/utils/src/lib/sandbox-runner/typescript-test-runner/typescript-test-runner.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.html
new file mode 100644
index 000000000..a3e3f1994
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.html
@@ -0,0 +1,78 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <!--  INTRO -->
+  <div *slide id="intro" no-padding>
+    <codelab-title-slide
+      title="Custom Events"
+      description="Learn to bind to custom events using @Output()"
+      prereqs="Component-Tree"
+    ></codelab-title-slide>
+  </div>
+
+  <!--  Slide 1-->
+  <div *slide id="custom-event-slide-1" milestone="CustomEvents">
+    <h1>Custom Events / Intro</h1>
+    <h1>
+      In this milestone, you will learn to use @Output() to communicate from
+      child to parent component and handle custom events.
+    </h1>
+  </div>
+
+  <!--  Slide 2 -->
+  <div *slide id="custom-event-slide-2" milestone="CustomEvents">
+    <h1>Custom Events / Passing data from child to parent</h1>
+
+    <div row>
+      <div column-5>
+        <code-demo-file-path path="parent.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.exercise1a.code"
+          [codeDemoHighlight]="code.exercise1a.match"
+        ></code-demo-editor>
+        <h1>
+          To 'listen' to a child's event, we bind to the child's event
+          childDidSomething.
+        </h1>
+      </div>
+      <div column-5>
+        <code-demo-file-path path="child.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.exercise1b.code"
+          [codeDemoHighlight]="code.exercise1a.match"
+        ></code-demo-editor>
+        <h1>
+          To let the parent know that there is an event. We emit an event from
+          the child.
+        </h1>
+      </div>
+    </div>
+  </div>
+
+  <!--  Slide 3 -->
+  <div *slide id="custom-event-slide-3" milestone="CustomEvents">
+    <h1>Custom Events / Exercise - Intro</h1>
+    <h1>
+      Let's implement a ThumbsUp and ThumbsDown button for the VideoComponent
+      you worked on before.
+    </h1>
+
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercises[0]"
+    ></codelab-exercise-preview>
+  </div>
+
+  <!--  Slide 4 -->
+  <div *slide id="custom-event-slide-4" no-padding>
+    <codelab-exercise
+      milestone="CustomEvents"
+      [translations]="t"
+      [exercise]="exercises[0]"
+    >
+    </codelab-exercise>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.ts
new file mode 100644
index 000000000..843fc65cc
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.component.ts
@@ -0,0 +1,63 @@
+import { Component } from '@angular/core';
+import { ng2tsConfig } from '../../../../../../../ng2ts/ng2ts';
+
+@Component({
+  selector: 'codelab-slides-custom-events',
+  templateUrl: './custom-events.component.html',
+  styleUrls: ['./custom-events.component.css']
+})
+export class CustomEventsComponent {
+  code = {
+    exercise1a: {
+      // parent
+      code: `
+                import { Component } from '@angular/core';
+
+                @Component({
+                    selector: 'parent',
+                    template: \`
+                        <child (childDidSomething)="parentDoSomething()"></child>
+                    \`
+                })
+                export class ParentComponent {
+                    parentDoSomething() {
+                        console.log('child did something');
+                    }
+                }
+            `,
+      path: 'test.ts',
+      type: 'typescript',
+      match: /childDidSomething/
+    },
+    exercise1b: {
+      // child
+      code: `
+                import { Component } from '@angular/core';
+
+                @Component({
+                    selector: 'child',
+                    template: \`
+                        <button (click)="buttonClicked()"></button>
+                    \`
+                })
+                export class ChildComponent {
+                    @Output() childDidSomething = new EventEmitter<any>();
+
+                    buttonClicked() {
+                        this.childDidSomething.emit();
+                    }
+                }
+            `,
+      path: 'test.ts',
+      type: 'typescript',
+      match: ``
+    }
+  };
+
+  exercises = [ng2tsConfig.milestones[5].exercises[1]];
+
+  //   constructor(private exercises: Ng2TsExercises) {
+  //     // this.exercise = exercises.getExercises(4, 1);
+  //     // this.exercise2 = exercises.getExercises(4, 2);
+  //   }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.module.ts
new file mode 100644
index 000000000..50c785e67
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/custom-events/custom-events.module.ts
@@ -0,0 +1,30 @@
+import { CustomEventsComponent } from './custom-events.component';
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FeedbackModule } from '@codelab/feedback';
+import { CommonModule } from '@angular/common';
+import { BrowserWindowModule } from '@codelab/browser';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+import { FormsModule } from '@angular/forms';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+
+const routes = RouterModule.forChild([
+  ...SlidesRoutes.get(CustomEventsComponent)
+]);
+
+@NgModule({
+  imports: [
+    routes,
+    FeedbackModule,
+    CommonModule,
+    BrowserWindowModule,
+    CodeDemoModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  declarations: [CustomEventsComponent],
+  exports: [CustomEventsComponent]
+})
+export class CustomEventsModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.css
new file mode 100644
index 000000000..2ad211544
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.css
@@ -0,0 +1,33 @@
+.content-container {
+  display: flex;
+  flex-direction: row;
+  width: 100%;
+  margin-top: 20px;
+}
+
+.center-preview {
+  margin: 0 auto;
+}
+
+.mewtube-preview {
+  height: 100%;
+  padding: 2vw;
+  overflow: auto;
+}
+
+.comparision {
+  padding: 0.5em;
+}
+
+.diagram-container {
+  height: 500px;
+  width: 100%;
+  max-width: 800px;
+  margin: 2rem auto 0;
+}
+.di-diagram {
+  height: 100%;
+  width: 100%;
+  background: url(./pics/deps.svg) no-repeat;
+  background-size: contain;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.html
new file mode 100644
index 000000000..af9ddc5e5
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.html
@@ -0,0 +1,320 @@
+<div #translations style="display: none">
+  <div
+    i18n="@@shorthandMakesProfessionAvailable"
+    id="shorthandMakesProfessionAvailable"
+  >
+    * TypeScript shorthand makes 'profession' * available to component instance.
+  </div>
+  <div i18n="@@assumingJobHasPropTitle" id="assumingJobHasPropTitle">
+    assuming Job has property '.title'
+  </div>
+  <div i18n="@@addIjectableDecoraterToClass" id="addIjectableDecoraterToClass">
+    video.service.ts: Add @Injectable() decorator to the class
+  </div>
+
+  <div i18n="@@addVideoServiceToNgModule" id="addVideoServiceToNgModule">
+    app.module.ts: Add VideoService to the NgModule providers property
+  </div>
+  <div i18n="@@getRidOfFakeVideos" id="getRidOfFakeVideos">
+    app.component.ts: Get rid of FAKE_VIDEOS
+  </div>
+  <div i18n="@@injectVideoService" id="injectVideoService">
+    app.component.ts: Inject 'VideoService' in the component constructor as
+    'videoService'
+  </div>
+  <div
+    i18n="@@updateAppComponentSearchmethod"
+    id="updateAppComponentSearchmethod"
+  >
+    app.component.ts: Update the app component's search method to use
+    videoService's search method
+  </div>
+</div>
+
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <div *slide id="intro" no-padding milestone="dependency-injection">
+    <codelab-title-slide
+      title="Dependency Injection"
+      i18n-title="@@dependencyInjection"
+      description="Learn more about Angular's powerful Dependency Injection system"
+      i18n-description="@@dependencyInjectionLearnMore"
+    ></codelab-title-slide>
+  </div>
+
+  <!--  MILESTONE #3  Dependency Injection  -->
+  <!-- RECAP -->
+  <div *slide id="dependency" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Example of a dependency</codelab-breadcrumb>
+    <h2 i18n>
+      We display a list of hard-coded videos in our component, but in the real
+      world we'd load them from the server.
+    </h2>
+    <h2 i18n>
+      The code for fetching the data would live in a separate class (service)
+      called VideoService
+    </h2>
+    <h2 i18n>Therefore our component will depend on the VideoService:</h2>
+    <svg viewBox="99 99 601 201" style="margin-top: 2vw">
+      <rect
+        x="100"
+        y="100"
+        width="200"
+        height="100"
+        fill="#fff"
+        stroke="#000"
+        rx="15"
+        ry="15"
+        stroke-width="1.5"
+      ></rect>
+      <text
+        x="200"
+        y="150"
+        fill="#000"
+        text-anchor="middle"
+        alignment-baseline="middle"
+      >
+        AppComponent
+      </text>
+      <rect
+        x="400"
+        y="100"
+        width="200"
+        height="100"
+        fill="#fff"
+        stroke="#000"
+        rx="15"
+        ry="15"
+        stroke-width="1.5"
+      ></rect>
+      <text
+        x="500"
+        y="150"
+        fill="#000"
+        text-anchor="middle"
+        alignment-baseline="middle"
+      >
+        VideoService
+      </text>
+      <line x1="300" x2="400" y1="150" y2="150" stroke="#000"></line>
+      <path d="M 300 150 l 10 6 l -3 -6 l 3 -6 " stroke="#444"></path>
+    </svg>
+  </div>
+
+  <div *slide id="dependency-injection-intro" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Intro</codelab-breadcrumb>
+
+    <h2 i18n>
+      As our app grows, number of dependencies will increase. Dependencies, in
+      order, will have their own dependencies. Managing all of them manually
+      becomes increasingly harder.
+    </h2>
+    <h2 i18n>
+      To simplify that <b>Angular</b> provides a mechanism called
+      <b>Dependency injection</b>
+    </h2>
+    <div class="diagram-container">
+      <div class="di-diagram"></div>
+    </div>
+  </div>
+
+  <!--  COMPARISON -->
+  <div *slide id="comparison" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Comparison</codelab-breadcrumb>
+    <div style="display: flex;">
+      <div class="col-6">
+        <code-demo-file-path path="person.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.withOutDI.code"
+          [codeDemoHighlight]="[code.withOutDI.matches.noDI, 'profession']"
+        ></code-demo-editor>
+        <h2 class="comparision" i18n>
+          Without Dependency Injection, <b>Profession</b> has to be instantiated
+          in the <b>Person</b> class
+        </h2>
+      </div>
+      <div class="col-6" style="margin-left: 10px;">
+        <code-demo-file-path path="person-di.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.withDI.code"
+          [codeDemoHighlight]="[code.withDI.matches.constructor]"
+        ></code-demo-editor>
+        <h2 class="comparision" i18n>
+          With Dependency Injection, <b>Person</b> class just "requires" an
+          instance of <b>Job</b> in the constructor, and Angular takes care of
+          instantiating it
+        </h2>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="comparison-2" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Parameters</codelab-breadcrumb>
+    <div class="content-container">
+      <div class="col-6">
+        <code-demo-file-path path="person.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.withOutDI.code2"
+          [codeDemoHighlight]="[code.withOutDI.matches.noDI]"
+        ></code-demo-editor>
+        <h2 class="comparision" i18n>
+          Without Dependency Injection, you have to figure out all the
+          parameters yourself
+        </h2>
+      </div>
+      <div class="col-6" style="margin-left: 10px;">
+        <code-demo-file-path path="person-di.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.withDI.code"
+          [codeDemoHighlight]="[code.withDI.matches.constructor]"
+        ></code-demo-editor>
+        <h2 class="comparision" i18n>
+          With Dependency Injection, Angular takes care of it
+        </h2>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="comparison-3" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Testing</codelab-breadcrumb>
+    <h2 i18n>
+      Also Dependency Injection simplifies testing a lot, because you can just
+      pass mock dependencies as constructor parameters
+    </h2>
+    <div class="content-container">
+      <div class="col-6">
+        <code-demo-file-path path="person-di.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.withDI.code"
+        ></code-demo-editor>
+      </div>
+      <div class="col-6">
+        <code-demo-file-path path="person-di.spec.ts"></code-demo-file-path>
+        <code-demo-editor
+          [fontSize]="15"
+          [(ngModel)]="code.withDITesting.code"
+        ></code-demo-editor>
+      </div>
+    </div>
+  </div>
+
+  <!--  Steps to create an Angular app -->
+  <div *slide id="angular-app" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Example</codelab-breadcrumb>
+    <h2 i18n>
+      Let's say we have an existing <b>UnitConverterService</b> and we want to
+      start using it in <b>UnitConversionComponent</b>. It will take 3 simple
+      steps:
+    </h2>
+    <ol>
+      <li i18n>Mark dependency as @Injectable()</li>
+      <li i18n>Provide in the module</li>
+      <li i18n>Require in the component</li>
+    </ol>
+  </div>
+
+  <!--  IMPLEMENTATION STEP #1  -->
+  <div *slide id="make-injectable" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Step 1</codelab-breadcrumb>
+    <h2 i18n>
+      Mark the class as <b>@Injectable()</b>. This lets Angular know that this
+      class is part of Angular Dependency Injection system
+    </h2>
+    <code-demo-file-path path="unit-converter-service.ts"></code-demo-file-path>
+    <code-demo-editor
+      [(ngModel)]="code.classAsInjectable.code"
+      [codeDemoHighlight]="[code.classAsInjectable.matches.injectable]"
+    ></code-demo-editor>
+    <div class="info" i18n>
+      If a service class is marked as injectable, it can require other services
+      in its constructor.
+    </div>
+  </div>
+
+  <!--  IMPLEMENTATION STEP #2  -->
+  <div *slide id="provide-injectable" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Step 2</codelab-breadcrumb>
+    <h2 i18n>
+      Provide the injectable to the <b>providers</b> section of <b>NgModule</b>
+    </h2>
+    <code-demo-file-path path="app.module.ts"></code-demo-file-path>
+    <code-demo-editor
+      [(ngModel)]="code.provideInjectable.code"
+      [codeDemoHighlight]="[
+        code.provideInjectable.matches.providers,
+        'UnitConverterService'
+      ]"
+    ></code-demo-editor>
+    <div class="info" i18n>
+      Now, this service becomes available for every <b>Component</b> and other
+      service in this <b>NgModule</b>.
+    </div>
+  </div>
+
+  <!--  IMPLEMENTATION STEP #3  -->
+  <div *slide id="consume-injectable" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Step 3</codelab-breadcrumb>
+    <h2 i18n>Consume the Injectable in the component</h2>
+    <code-demo-file-path
+      path="unit-conversion.component.ts"
+    ></code-demo-file-path>
+    <code-demo-editor
+      [(ngModel)]="code.consumeInjectable.code"
+      [codeDemoHighlight]="[code.consumeInjectable.matches.constructor]"
+    ></code-demo-editor>
+    <div class="info" i18n>
+      Because of the <b>private</b> access modifier the service becomes
+      accessible across the class as <b>this.converter</b>.
+    </div>
+  </div>
+
+  <div *slide id="exercise-pre" milestone="dependency-injection">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide you'll use videoService which has even more cats!!! The
+      result will look like this:
+    </h2>
+
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercise"
+    ></codelab-exercise-preview>
+  </div>
+
+  <!--  CREATE FIRST ANGULAR COMPONENT EXERCISE-->
+  <div *slide id="exercise" no-padding>
+    <codelab-exercise
+      milestone="dependency-injection"
+      [translations]="t"
+      [exercise]="exercise"
+    >
+    </codelab-exercise>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <codelab-breadcrumb i18n>Milestone Completed</codelab-breadcrumb>
+      </div>
+      <div class="body" body></div>
+      <div class="footer" footer>
+        <h2>
+          <ng-container i18n>Next:</ng-container>
+          <a routerLink="../../component-tree/0" i18n>
+            Learn how to combine components together
+          </a>
+        </h2>
+
+        <feedback-rating lesson="Angulardependency-injection">
+        </feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.ts
new file mode 100644
index 000000000..9255bc8d6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.component.ts
@@ -0,0 +1,129 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { Ng2TsExercises } from '../../../../../../../ng2ts/ng2ts';
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+
+@Component({
+  selector: 'codelab-slides-dependency-injection',
+  templateUrl: './dependency-injection.component.html',
+  styleUrls: ['./dependency-injection.component.css']
+})
+export class DependencyInjectionComponent implements OnInit {
+  t: { [key: string]: string };
+  exercise;
+
+  // TODO(kirjs): we can't access tanslation in OnInit hook iwht static set to false
+  // need to consider changing how we set code
+  @ViewChild('translations', { static: true }) translation;
+  code = {};
+
+  constructor(private exercises: Ng2TsExercises) {
+    this.exercise = exercises.getExercises(3, 1);
+  }
+
+  ngOnInit() {
+    this.t = extractMessages(this.translation);
+
+    this.code = {
+      withOutDI: {
+        code: `export class Person {
+  profession: Job;
+
+  constructor() {
+    this.profession = new Job();
+  }
+}`,
+        code2: `import {ProfessionsEnum} from './professions';
+
+export class Person {
+  profession: Job;
+
+  constructor() {
+    const Schedule = new Schedule(ProfessionsEnum.ENGINEER);
+    this.profession = new Job(ProfessionsEnum.ENGINEER, Schedule, /* TODO: Find how to inject salary*/);
+  }
+}`,
+
+        matches: {
+          noDI: /this.*/
+        },
+        readonly: true,
+        path: 'person-noDI.ts',
+        type: 'typescript'
+      },
+
+      withDI: {
+        code: `export class Person {
+  /**
+   ${this.t.shorthandMakesProfessionAvailable}
+   */
+  constructor(public profession: Job) {}
+}`,
+        matches: {
+          constructor: /constructor.*/
+        },
+        readonly: true,
+        path: 'personDI.ts',
+        type: 'typescript'
+      },
+      withDITesting: {
+        code: `const mockProfession = new Job('lawyer');
+it('should create a Person with the right profession', () => {
+  const person = new Person(mockProfession);
+  // ${this.t.assumingJobHasPropTitle}
+  expect(person.profession.title).toEqual('lawyer');
+});
+`,
+        matches: {
+          constructor: /constructor.*/
+        },
+        readonly: true,
+        path: 'personDI.spec.ts',
+        type: 'typescript'
+      },
+
+      classAsInjectable: {
+        code: `import { Injectable } from '@angular/core';
+
+@Injectable()
+export class UnitConverterService {
+  // ...
+}`,
+        matches: {
+          injectable: /@I[^]*?\)[^]/
+        },
+        readonly: true,
+        type: 'typescript'
+      },
+
+      provideInjectable: {
+        code: `import { NgModule } from '@angular/core';
+import { UnitConverterService } from '../services/unit-converter.service';
+import { UnitConversionComponent } from './unit-conversion.component';
+
+@NgModule({
+  declarations: [ UnitConversionComponent ],
+  providers: [ UnitConverterService ]
+})
+export class AppModule {}`,
+        matches: {
+          providers: /providers.*/
+        },
+        readonly: true,
+        type: 'typescript'
+      },
+
+      consumeInjectable: {
+        code: `import { Component } from '@angular/core';
+import { UnitConverterService } from '../services/unit-converter.service';
+
+@Component({...})
+export class UnitConversionComponent {
+  constructor(private converter: UnitConverterService) {}
+}`,
+        matches: {
+          constructor: /constructor.*/
+        }
+      }
+    };
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.module.ts
new file mode 100644
index 000000000..753eb529c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/dependency-injection.module.ts
@@ -0,0 +1,30 @@
+import { NgModule } from '@angular/core';
+import { DependencyInjectionComponent } from './dependency-injection.component';
+import { RouterModule } from '@angular/router';
+import { FormsModule } from '@angular/forms';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+import { Ng2TsExercises } from '../../../../../../../ng2ts/ng2ts';
+
+const routes = RouterModule.forChild([
+  ...SlidesRoutes.get(DependencyInjectionComponent)
+]);
+
+@NgModule({
+  imports: [
+    routes,
+    FeedbackModule,
+    BrowserWindowModule,
+    CodeDemoModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  providers: [Ng2TsExercises],
+  declarations: [DependencyInjectionComponent],
+  exports: [DependencyInjectionComponent]
+})
+export class DependencyInjectionModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/pics/deps.svg b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/pics/deps.svg
new file mode 100644
index 000000000..51f7a5ab9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/dependency-injection/pics/deps.svg
@@ -0,0 +1,132 @@
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+                        <div xmlns="http://www.w3.org/1999/xhtml"
+                             style="display:inline-block;text-align:inherit;text-decoration:inherit;">GreatComponent
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+                    </div>
+                </foreignObject>
+                <text x="46" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">
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+        <g transform="translate(216.5,103.5)">
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+                <foreignObject style="overflow:visible;" pointer-events="all" width="86" height="12"
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+                         style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 86px; white-space: nowrap; overflow-wrap: normal; text-align: center;">
+                        <div xmlns="http://www.w3.org/1999/xhtml"
+                             style="display:inline-block;text-align:inherit;text-decoration:inherit;">DifferentService
+                        </div>
+                    </div>
+                </foreignObject>
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+                        <div xmlns="http://www.w3.org/1999/xhtml"
+                             style="display:inline-block;text-align:inherit;text-decoration:inherit;">CoolService
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+        <g transform="translate(216.5,23.5)">
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+                <foreignObject style="overflow:visible;" pointer-events="all" width="86" height="12"
+                               requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility">
+                    <div xmlns="http://www.w3.org/1999/xhtml"
+                         style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 88px; white-space: nowrap; overflow-wrap: normal; text-align: center;">
+                        <div xmlns="http://www.w3.org/1999/xhtml"
+                             style="display:inline-block;text-align:inherit;text-decoration:inherit;">AmazingService
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="43" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">
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+            </switch>
+        </g>
+        <path d="M 400 30 L 326.37 30" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="none"/>
+        <path d="M 321.12 30 L 328.12 26.5 L 326.37 30 L 328.12 33.5 Z" fill="#000000" stroke="#000000"
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+        <rect x="400" y="0" width="120" height="60" rx="9" ry="9" fill="#ffffff" stroke="#000000"
+              pointer-events="none"/>
+        <g transform="translate(413.5,23.5)">
+            <switch>
+                <foreignObject style="overflow:visible;" pointer-events="all" width="92" height="12"
+                               requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility">
+                    <div xmlns="http://www.w3.org/1999/xhtml"
+                         style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 94px; white-space: nowrap; overflow-wrap: normal; text-align: center;">
+                        <div xmlns="http://www.w3.org/1999/xhtml"
+                             style="display:inline-block;text-align:inherit;text-decoration:inherit;">AwesomeService
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="46" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">
+                    AwesomeService
+                </text>
+            </switch>
+        </g>
+        <path d="M 400 100 L 360 100 L 360 45 L 326.37 45" fill="none" stroke="#000000" stroke-miterlimit="10"
+              pointer-events="none"/>
+        <path d="M 321.12 45 L 328.12 41.5 L 326.37 45 L 328.12 48.5 Z" fill="#000000" stroke="#000000"
+              stroke-miterlimit="10" pointer-events="none"/>
+        <rect x="400" y="70" width="120" height="60" rx="9" ry="9" fill="#ffffff" stroke="#000000"
+              pointer-events="none"/>
+        <g transform="translate(404.5,93.5)">
+            <switch>
+                <foreignObject style="overflow:visible;" pointer-events="all" width="110" height="12"
+                               requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility">
+                    <div xmlns="http://www.w3.org/1999/xhtml"
+                         style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; vertical-align: top; width: 110px; white-space: nowrap; overflow-wrap: normal; text-align: center;">
+                        <div xmlns="http://www.w3.org/1999/xhtml"
+                             style="display:inline-block;text-align:inherit;text-decoration:inherit;">AnotherDependency
+                        </div>
+                    </div>
+                </foreignObject>
+                <text x="55" y="12" fill="#000000" text-anchor="middle" font-size="12px" font-family="Helvetica">
+                    AnotherDependency
+                </text>
+            </switch>
+        </g>
+    </g>
+</svg>
diff --git a/libs/utils/src/lib/sync/components/configure-sync/configure-sync.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/configure-sync/configure-sync.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.html
new file mode 100644
index 000000000..b9183b7d7
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.html
@@ -0,0 +1,236 @@
+<div #translations style="display: none">
+  ¬
+  <div i18n="AddFormsModule" id="AddFormsModule">
+    app.module.ts: Add FormsModule and MatInputModule, to the imports.
+  </div>
+  <div i18n="AddTitle" id="AddTitle">
+    upload/upload.component.html: Add "title" input bound to the title property
+    of the component
+  </div>
+  <div i18n="AddDescription" id="AddDescription">
+    upload/upload.component.html: Add "description" textarea bound to the
+    description property of the component
+  </div>
+</div>
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <!--  INTRO -->
+  <div *slide id="intro" no-padding milestone="forms">
+    <codelab-title-slide
+      i18n-title
+      i18n-description
+      title="Forms"
+      description="Adding basic forms into your app"
+    ></codelab-title-slide>
+  </div>
+
+  <div *slide id="simple-form" milestone="forms" milestone="forms">
+    <codelab-breadcrumb i18n>Simple Form</codelab-breadcrumb>
+    <h2 i18n>
+      We have this simple form, let's find out how to map input values with the
+      ones from our Angular component!
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="samples.basicForm"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="forms-module" milestone="forms" milestone="forms">
+    <codelab-breadcrumb i18n>Simple Form</codelab-breadcrumb>
+    <h2 i18n>First we have to add <b>FormsModule</b> to our NgModule.</h2>
+    <!--[openFilesIndex]="[1]"-->
+    <codelab-exercise-playground
+      files="app.module.ts"
+      [exercise]="samples.basicForm"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="ng-model" milestone="forms" milestone="forms">
+    <codelab-breadcrumb i18n>NgModel</codelab-breadcrumb>
+    <h2 i18n>
+      Now let's use ngModel to bind the inputs to the appropriate fields on the
+      component.
+    </h2>
+    <h2 i18n>Try changing the inputs and see the values updated.</h2>
+    <codelab-exercise-playground
+      [exercise]="samples.ngModel"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      [(NgModel)] - <b>Banana in the box</b> is a simple mnemonic for the braces
+      order.
+    </div>
+  </div>
+
+  <div *slide id="forms-validation-1" milestone="forms">
+    <codelab-breadcrumb i18n>Validation</codelab-breadcrumb>
+    <h2 i18n>
+      It's really easy to add validation for your inputs using predefined
+      Angular directives.
+    </h2>
+    <h2 i18n>Let's make username <b>required</b></h2>
+    <codelab-exercise-playground
+      [exercise]="samples.ngValidation1"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      If you clear the input it'll be marked with an error, however no error
+      will be displayed. We'll learn how to display it in the next slide
+    </div>
+  </div>
+
+  <div *slide id="forms-validation-2" milestone="forms">
+    <codelab-breadcrumb i18n>Displaying Validation Errors</codelab-breadcrumb>
+    <h2 i18n>Now we let's display validation error. It takes 2 steps:</h2>
+    <ul>
+      <li i18n>
+        Get ahold of the input ngModel using <b>#name="ngModel"</b> binding
+      </li>
+      <li i18n>Use <b>usernameModel</b>'s <b>errors</b> property.</li>
+    </ul>
+    <codelab-exercise-playground
+      [exercise]="samples.ngValidation2"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      Try clearing the username input and see the error displayed.
+    </div>
+  </div>
+  <div *slide id="built-in" milestone="forms">
+    <codelab-breadcrumb i18n>Validators</codelab-breadcrumb>
+    <h2 i18n>
+      Here's the list of
+      <a href="https://angular.io/api/forms/Validators#min"
+        >built-in validators</a
+      >
+      that Angular provides out of the box
+    </h2>
+    <ul>
+      <li i18n>min</li>
+      <li i18n>max</li>
+      <li i18n>required</li>
+      <li i18n>requiredTrue</li>
+      <li i18n>email</li>
+      <li i18n>minLength</li>
+      <li i18n>maxLength</li>
+      <li i18n>pattern</li>
+    </ul>
+    <div class="info" i18n>
+      It's also possible to create custom validators, but it's out of scope for
+      this milestone, you can read more:
+      <a href="https://angular.io/guide/form-validation#custom-validators"
+        >here</a
+      >
+    </div>
+  </div>
+
+  <div *slide id="forms-always-required" milestone="forms">
+    <codelab-breadcrumb i18n>Error Always Displayed</codelab-breadcrumb>
+    <h2 i18n>
+      There's one small issue though, if we don't have initial values, the error
+      is displayed right away.
+    </h2>
+    <!--[openFilesIndex]="[0,2]" TODO(kirjs)-->
+    <codelab-exercise-playground
+      [exercise]="samples.touched"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="forms-touched-dirty" milestone="forms">
+    <codelab-breadcrumb i18n>Touched & Dirty</codelab-breadcrumb>
+    <h2 i18n>
+      Luckily we can check if the user interacted with an input using
+      <b>touched</b> property.
+    </h2>
+    <ul>
+      <li i18n>
+        <b>dirty</b> is true if the user changed the value of the input.
+      </li>
+      <li i18n>
+        <b>touched</b> is true if the user focused on the input, and then blured
+        without changing the value.
+      </li>
+    </ul>
+    <codelab-exercise-playground
+      [exercise]="samples.touched2"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      Try focusing/bluring the <b>username</b> field, or adding some value and
+      then removing to see the error.
+    </div>
+  </div>
+
+  <div *slide id="forms-material" milestone="forms">
+    <codelab-breadcrumb i18n>Material Inputs (Bonus!)</codelab-breadcrumb>
+    <h2 i18n>
+      Now let's make our forms beautiful using Material Design inputs! Main
+      building blocks are:
+    </h2>
+    <ul>
+      <li i18n><b>mat-form-field</b> - Wraps the input</li>
+      <li i18n><b>matInput</b> - has to be put on the input</li>
+      <li i18n><b>mat-error</b> - Smarter error wrapper</li>
+    </ul>
+
+    <codelab-exercise-playground
+      [exercise]="samples.ngMaterial"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      Note that we don't need to <b>#name</b> the input anymore.
+    </div>
+  </div>
+
+  <div *slide id="exercise-pre">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide there is an exercise. We're going to add a form to the
+      upload page.
+    </h2>
+    <codelab-exercise-preview
+      style="height:50vh"
+      column-5
+      [exercise]="exercise"
+      [url]="'/assets/runner/'"
+    >
+    </codelab-exercise-preview>
+    <div class="info" i18n>
+      Note: you'd have to manually click on the "upload link" to see the result,
+      we're working on the fix.
+    </div>
+  </div>
+
+  <div *slide id="exercise" no-padding>
+    <codelab-exercise
+      milestone="forms"
+      [translations]="t"
+      url="/assets/runner"
+      [exercise]="exercise"
+    >
+    </codelab-exercise>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <codelab-breadcrumb i18n>End of The Forms Milestone</codelab-breadcrumb>
+      </div>
+      <div class="body" body>
+        <h2 i18n>Well done! This is the end of the milestone!</h2>
+        <h2 i18n>
+          There are more than one way to handle forms in Angular. While
+          <b>Advanced forms</b> milestone is in works, check out
+          <a href="https://angular.io/guide/dynamic-form">Angular docs</a>
+        </h2>
+        <h2>
+          <ng-container i18n>Next:</ng-container>
+          <a routerLink="../../angular-cli/0" i18n>
+            Learn how to start working on your angular app in the Angular-cli
+            Milestone
+          </a>
+        </h2>
+      </div>
+      <div class="footer" footer>
+        <feedback-rating lesson="Forms"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.ts
new file mode 100644
index 000000000..db58b0fc0
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.component.ts
@@ -0,0 +1,132 @@
+import { CodelabFile } from '../../../shared/helpers/codelabFile';
+import { AfterViewInit, Component, ViewChild } from '@angular/core';
+import {
+  ExerciseConfigTemplate,
+  Ng2TsExercises
+} from '../../../../../../../ng2ts/ng2ts';
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+
+declare const require;
+
+interface FileHighlights {
+  appModule?: RegExp | RegExp[];
+  appHtml?: RegExp | RegExp[];
+  appComponent?: RegExp | RegExp[];
+}
+
+function formsConfig(code, highlights: FileHighlights = {}) {
+  const files = {
+    appHtml: require('!!raw-loader!./samples/basic/app.1.html'),
+    appModule: require('!!raw-loader!./samples/basic/app.module.ts'),
+    appComponent: require('!!raw-loader!./samples/basic/app.component.ts'),
+    ...code
+  };
+
+  return {
+    files: [
+      CodelabFile.Html('app')
+        .setCode(files.appHtml)
+        .withHighlight(highlights.appHtml),
+
+      CodelabFile.TypeScriptFile('app.module')
+        .setCode(files.appModule)
+        .withHighlight(highlights.appModule),
+
+      CodelabFile.TypeScriptFile('app.component')
+        .setCode(files.appComponent)
+        .withHighlight(highlights.appComponent),
+
+      CodelabFile.TypeScriptFile('bootstrap')
+        .setCode(require('!!raw-loader!./samples/basic/main.ts'))
+        .makeBootstrappable(),
+
+      CodelabFile.Css('styles').setCode(
+        require('!!raw-loader!@angular/material/prebuilt-themes/indigo-pink.css')
+      ),
+
+      CodelabFile.Css('extra').setCode(
+        require('!!raw-loader!./samples/basic/styles.css')
+      )
+    ]
+  };
+}
+
+@Component({
+  selector: 'codelab-slides-forms',
+  templateUrl: './forms.component.html',
+  styleUrls: ['./forms.component.css']
+})
+export class FormsComponent implements AfterViewInit {
+  @ViewChild('translations', { static: false }) translations;
+  exercise: ExerciseConfigTemplate;
+  samples = {
+    basicForm: formsConfig(
+      { appHtml: require('!!raw-loader!./samples/basic/app.1.html') },
+      {
+        appModule: /FormsModule]/
+      }
+    ),
+    ngModel: formsConfig(
+      { appHtml: require('!!raw-loader!./samples/basic/app.2.html') },
+      {
+        appHtml: [/ngModel/g]
+      }
+    ),
+    ngValidation1: formsConfig(
+      { appHtml: require('!!raw-loader!./samples/basic/app.3.html') },
+      {
+        appHtml: [/required/]
+      }
+    ),
+    ngValidation2: formsConfig(
+      { appHtml: require('!!raw-loader!./samples/basic/app.4.html') },
+      {
+        appHtml: [/#usernameModel="ngModel"/, /<div \*[\s\S]*?<\/div>/]
+      }
+    ),
+    touched: formsConfig(
+      {
+        appHtml: require('!!raw-loader!./samples/basic/app.4.html'),
+        appComponent: require('!!raw-loader!./samples/basic/app.component.5.ts')
+      },
+      {
+        appComponent: /username = ''/
+      }
+    ),
+    touched2: formsConfig(
+      {
+        appHtml: require('!!raw-loader!./samples/basic/app.5.html'),
+        appComponent: require('!!raw-loader!./samples/basic/app.component.5.ts')
+      },
+      {
+        appHtml: /(usernameModel.touched \|\| usernameModel.dirty)/
+      }
+    ),
+    ngMaterial: formsConfig(
+      {
+        appHtml: require('!!raw-loader!./samples/basic/app.6.html'),
+        appModule: require('!!raw-loader!./samples/basic/app.module.6.ts').replace(
+          'component.5',
+          'component' /*Stupid hack*/
+        )
+      },
+      {
+        appHtml: [
+          /<mat-form-field>/,
+          /<\/mat-form-field>/,
+          /matInput/,
+          /<mat-error>.*<\/mat-error>/
+        ]
+      }
+    )
+  };
+  private t: Record<string, string>;
+
+  constructor(private exercises: Ng2TsExercises) {
+    this.exercise = exercises.getExercises(7, 0);
+  }
+
+  ngAfterViewInit() {
+    this.t = extractMessages(this.translations);
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.module.ts
new file mode 100644
index 000000000..cb592eee9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/forms.module.ts
@@ -0,0 +1,28 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { FormsModule } from '@angular/forms';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { FormsComponent } from './forms.component';
+import { Ng2TsExercises } from '../../../../../../../ng2ts/ng2ts';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild([...SlidesRoutes.get(FormsComponent)]);
+
+@NgModule({
+  imports: [
+    routes,
+    FeedbackModule,
+    CommonModule,
+    BrowserWindowModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  declarations: [FormsComponent],
+  exports: [FormsComponent],
+  providers: [Ng2TsExercises]
+})
+export class FormsCodelabModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.1.html b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.1.html
new file mode 100644
index 000000000..d94fa6148
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.1.html
@@ -0,0 +1,8 @@
+<div class="field">
+  *name:
+  <input name="username" />
+</div>
+<div class="field">
+  email:
+  <input name="email" />
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.2.html b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.2.html
new file mode 100644
index 000000000..7b12640bd
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.2.html
@@ -0,0 +1,13 @@
+<div class="field">
+  *name:
+  <input [(ngModel)]="username" name="username" />
+</div>
+<div class="field">
+  email:
+  <input [(ngModel)]="email" name="email" />
+</div>
+
+<div class="values">
+  Username: {{username}} <br />
+  email: {{email}}
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.3.html b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.3.html
new file mode 100644
index 000000000..04f63fa37
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.3.html
@@ -0,0 +1,13 @@
+<div class="field">
+  *name:
+  <input required [(ngModel)]="username" name="username" />
+</div>
+<div class="field">
+  email:
+  <input [(ngModel)]="email" name="email" />
+</div>
+
+<div class="values">
+  Username: {{username}} <br />
+  email: {{email}}
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.4.html b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.4.html
new file mode 100644
index 000000000..11721cb93
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.4.html
@@ -0,0 +1,16 @@
+<div class="field">
+  *name:
+  <input #usernameModel="ngModel" [(ngModel)]="username" required />
+  <div *ngIf="usernameModel.invalid" class="error">
+    Username is required
+  </div>
+</div>
+<div class="field">
+  email:
+  <input [(ngModel)]="email" />
+</div>
+
+<div class="values">
+  Username: {{username}} <br />
+  email: {{email}}
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.5.html b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.5.html
new file mode 100644
index 000000000..ba9f55205
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.5.html
@@ -0,0 +1,17 @@
+<div class="field">
+  *name:
+  <input required #usernameModel="ngModel" [(ngModel)]="username" />
+  <div
+    *ngIf="usernameModel.invalid
+    && (usernameModel.touched || usernameModel.dirty)"
+    class="error"
+  >
+    Username is required
+  </div>
+</div>
+<div class="field">email: <input [(ngModel)]="email" /></div>
+
+<div class="values">
+  Username: {{username}} <br />
+  email: {{email}}
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.6.html b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.6.html
new file mode 100644
index 000000000..b288340f2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.6.html
@@ -0,0 +1,21 @@
+<p>
+  <mat-form-field>
+    <input
+      matInput
+      value="Pirojok"
+      placeholder="name"
+      [(ngModel)]="username"
+      required
+    />
+    <mat-error>Username is required</mat-error>
+  </mat-form-field>
+</p>
+<p>
+  <mat-form-field>
+    <input matInput [(ngModel)]="email" placeholder="email" />
+  </mat-form-field>
+</p>
+<div class="values">
+  Username: {{username}} <br />
+  email: {{email}}
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.component.5.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.component.5.ts
new file mode 100644
index 000000000..f2e51686d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.component.5.ts
@@ -0,0 +1,11 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.html'
+})
+export class AppComponent {
+  username = '';
+  email = 'pirojok@angular.io';
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.component.ts
new file mode 100644
index 000000000..225736b26
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.component.ts
@@ -0,0 +1,11 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'my-app',
+  templateUrl: 'app.html'
+})
+export class AppComponent {
+  username = 'Pirojok';
+  email = 'pirojok@angular.io';
+}
diff --git a/libs/utils/src/lib/sync/components/poll/sync-poll-admin/sync-poll-admin.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.html
similarity index 100%
rename from libs/utils/src/lib/sync/components/poll/sync-poll-admin/sync-poll-admin.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.html
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.module.6.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.module.6.ts
new file mode 100644
index 000000000..42e4dd52c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.module.6.ts
@@ -0,0 +1,13 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component.5';
+import { FormsModule } from '@angular/forms';
+import { MatInputModule } from '@angular/material/input';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+
+@NgModule({
+  imports: [BrowserModule, NoopAnimationsModule, MatInputModule, FormsModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.module.ts
new file mode 100644
index 000000000..d1b8795f3
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/app.module.ts
@@ -0,0 +1,11 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { FormsModule } from '@angular/forms';
+
+@NgModule({
+  imports: [BrowserModule, FormsModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/code.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/code.ts
new file mode 100644
index 000000000..63c681e0b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/code.ts
@@ -0,0 +1,2 @@
+// I'm ignored
+export const hi = 'hi';
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/main.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/main.ts
new file mode 100644
index 000000000..fb38f68fb
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/main.ts
@@ -0,0 +1,23 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app.module';
+import { ResourceLoader } from '@angular/compiler';
+import * as code from './code';
+
+class MyResourceLoader extends ResourceLoader {
+  get(url: string): Promise<string> {
+    const templateId = Object.keys(code).find(key =>
+      key.includes(url.replace(/[\/\.-]/gi, '_'))
+    );
+    const template = code[templateId];
+    if (!template) {
+      console.log(template);
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+    return Promise.resolve(template);
+  }
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule, {
+  providers: [{ provide: ResourceLoader, useClass: MyResourceLoader, deps: [] }]
+} as any);
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/styles.css b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/styles.css
new file mode 100644
index 000000000..f2a00b407
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/forms/samples/basic/styles.css
@@ -0,0 +1,24 @@
+body {
+  padding: 0;
+  margin: 0;
+}
+
+.error {
+  color: red;
+  font-size: 12px;
+  margin-top: 6px;
+}
+
+.field {
+  padding: 10px;
+  border-bottom: 1px #ddd solid;
+  width: 200px;
+}
+
+.field input {
+  float: right;
+}
+
+.values {
+  margin-top: 20px;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.css
new file mode 100644
index 000000000..d3db77975
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.css
@@ -0,0 +1,3 @@
+.examples {
+  width: 100%;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.html
new file mode 100644
index 000000000..d700acd8d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.html
@@ -0,0 +1,243 @@
+<div #translations style="display: none">
+  ¬
+  <div i18n="@@AddMatModules" id="AddMatModules">
+    app.module.ts: Add MatCardModule and MatToolbarModule, to the imports.
+  </div>
+  <div i18n="@@AddMatToolbar" id="AddMatToolbar">
+    app.html: Add material toolbar containing the title
+  </div>
+  <div i18n="@@UseMatCard" id="UseMatCard">
+    video/video.component.html: Use material card to display the data
+  </div>
+  <div i18n="@@AddMatCardTitle" id="AddMatCardTitle">
+    video/video.component.html: Add mat-card-title (inside of the mat-card) to
+    display video title
+  </div>
+  <div i18n="@@AddMatCardSubtitle" id="AddMatCardSubtitle">
+    video/video.component.html: Add mat-card-subtitle (inside of the mat-card)
+    to display video description
+  </div>
+  <div i18n="@@AddMatImage" id="AddMatImage">
+    video/video.component.html: Mark img with mat-card-image attribute (inside
+    of the mat-card) so that it takes full card size
+  </div>
+  <div i18n="@@MoveDataToNewComponent" id="MoveDataToNewComponent">
+    video/video.component.html: move date/views/likes info inside of
+    mat-card-content (inside of the mat-card)
+  </div>
+</div>
+
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <!--  INTRO -->
+  <div *slide id="intro" no-padding>
+    <codelab-title-slide
+      i18n-title
+      i18n-description
+      title="Material design"
+      description="Learn how to use Angular Material"
+    ></codelab-title-slide>
+  </div>
+  <!--  INTRO -->
+  <div *slide id="components" milestone="material">
+    <h2 i18n>
+      Now let's use
+      <a href="https://material.angular.io" target="_blank">Angular Material</a>
+      to make our app look beautiful ✨✨
+    </h2>
+    <h2 i18n>
+      Angular Material provides you with a set of
+      <a href="https://material.io/" target="_blank">Material Design</a>
+      components for Angular:
+    </h2>
+    <!--Angular Material предоставляет множество Angular-компонентов в стиле-->
+    <!--<ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Material Design<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>:-->
+    <ul>
+      <li i18n>Fast and Consistent</li>
+      <li i18n>Versatile</li>
+      <li i18n>Accessible</li>
+      <li i18n>Optimized for Angular</li>
+      <li i18n>Look great on mobile</li>
+    </ul>
+
+    <h2 i18n>
+      See the list of components
+      <a
+        href="https://material.angular.io/components/categories"
+        target="_blank"
+        >here</a
+      >
+    </h2>
+  </div>
+
+  <div *slide id="toolbar" milestone="material">
+    <codelab-breadcrumb i18n>MatToolBar</codelab-breadcrumb>
+    <h2 i18n>Adding a toolbar takes 2 steps:</h2>
+    <ul>
+      <li i18n>Add <b>MatToolbarModule</b> to the imports</li>
+      <li i18n>Use the component in the template</li>
+    </ul>
+    <!--MatToolBar-->
+    <code-demo
+      [(ngModel)]="code.material.step1.code"
+      [files]="code.material.step1.files"
+      [highlights]="code.material.step1.highlights"
+    ></code-demo>
+    <div class="info" i18n>
+      Note that Angular animations come in a separate module. We're including
+      <b>NoopAnimationsModule</b> here, but could have used
+      <b>BrowserAnimationsModule</b> instead, to have full-fledged animations.
+    </div>
+  </div>
+
+  <div *slide id="card" milestone="material">
+    <codelab-breadcrumb i18n>Card</codelab-breadcrumb>
+    <h2 i18n>Now let's add material card.</h2>
+    <code-demo
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.material.step2.code"
+      [files]="code.material.step2.files"
+      [highlights]="code.material.step2.highlights"
+    ></code-demo>
+  </div>
+
+  <div *slide id="header" milestone="material">
+    <codelab-breadcrumb i18n>Card Header</codelab-breadcrumb>
+    <h2 i18n>Header and an image.</h2>
+    <code-demo
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.material.step3.code"
+      [files]="code.material.step3.files"
+      [highlights]="code.material.step3.highlights"
+    ></code-demo>
+  </div>
+
+  <div *slide id="buttons" milestone="material">
+    <codelab-breadcrumb i18n>Buttons</codelab-breadcrumb>
+    <h2 i18n>Adding some actions....</h2>
+    <code-demo
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.material.step4.code"
+      [files]="code.material.step4.files"
+      [highlights]="code.material.step4.highlights"
+    ></code-demo>
+    <div class="info" i18n>
+      Note that for the button we're using <b>mat-button</b> attribute instead
+      of a separate tag.
+    </div>
+  </div>
+
+  <div *slide id="themes" milestone="material">
+    <codelab-breadcrumb i18n>Themes</codelab-breadcrumb>
+    <h2 i18n>
+      All Angular Material components allow to apply themes. Try different
+      themes by clicking the buttons below:
+    </h2>
+    <div style="margin-bottom: 1.5vw;">
+      <button
+        mat-button
+        mat-raised-button
+        [color]="theme === 'indigo' ? 'primary' : 'secondary'"
+        (click)="setTheme('indigo')"
+        i18n
+      >
+        Indigo
+      </button>
+      <button
+        mat-button
+        mat-raised-button
+        [color]="theme === 'deeppurple' ? 'primary' : 'secondary'"
+        (click)="setTheme('deeppurple')"
+        i18n
+      >
+        Deep purple
+      </button>
+      <button
+        mat-button
+        mat-raised-button
+        [color]="theme === 'pink' ? 'primary' : 'secondary'"
+        (click)="setTheme('pink')"
+        i18n
+      >
+        Pink
+      </button>
+      <button
+        mat-button
+        mat-raised-button
+        [color]="theme === 'purple' ? 'primary' : 'secondary'"
+        (click)="setTheme('purple')"
+        i18n
+      >
+        Purple
+      </button>
+    </div>
+    <code-demo
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.material.themes.code"
+      [files]="code.material.themes.files"
+    ></code-demo>
+    <div class="info" i18n>
+      Read more on theming Angular Material
+      <a href="https://material.angular.io/guide/theming">in this guide</a>
+    </div>
+  </div>
+
+  <div *slide id="exercise-pre" milestone="material">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide there is an exercise. We're going to materialize our
+      application
+    </h2>
+    <codelab-exercise-preview
+      style="height: 50vh;width: 100%"
+      [exercise]="exercise"
+      [url]="'/assets/runner/'"
+    ></codelab-exercise-preview>
+    <div class="info" i18n>
+      Note: the final app won't be super beautiful, we're still working on that.
+    </div>
+  </div>
+
+  <div *slide id="exercise" no-padding>
+    <codelab-exercise
+      milestone="material"
+      url="/assets/runner"
+      [translations]="t"
+      [exercise]="exercise"
+    >
+    </codelab-exercise>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <codelab-breadcrumb i18n
+          >End of The Material Milestone
+        </codelab-breadcrumb>
+      </div>
+      <div class="body" body>
+        <h2 i18n>Well done! This is the end of the milestone!</h2>
+        <h2 i18n>
+          Check out Angular Material
+          <a
+            href="https://material.angular.io/guide/getting-started"
+            target="_blank"
+            >"Getting Started"</a
+          >
+          Guide
+        </h2>
+      </div>
+      <div class="footer" footer>
+        <h2>
+          <ng-container i18n>Next:</ng-container>
+          <a routerLink="../../forms/0" i18n>
+            Learn how to create simple forms with Angular
+          </a>
+        </h2>
+        <feedback-rating lesson="Material"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.ts
new file mode 100644
index 000000000..9141260ba
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.component.ts
@@ -0,0 +1,162 @@
+import {
+  AfterViewInit,
+  Component,
+  ViewChild,
+  ViewEncapsulation
+} from '@angular/core';
+
+import {
+  ExerciseConfigTemplate,
+  Ng2TsExercises
+} from '../../../../../../../ng2ts/ng2ts';
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+import { CodelabFile } from '../../../shared/helpers/codelabFile';
+
+declare const require;
+
+interface FileHighlights {
+  appModule?: RegExp;
+  appHtml?: RegExp;
+}
+
+function matExercise(
+  modules,
+  html,
+  highlights: FileHighlights = {},
+  theme = 'purple'
+) {
+  const moduleCode = require('!!raw-loader!./samples/basic/app.module.ts').replace(
+    /MatCardModule, MatToolbarModule/g,
+    modules
+  );
+
+  return {
+    files: [
+      CodelabFile.TypeScriptFile('app.module')
+        .setCode(moduleCode)
+        .withHighlight(highlights.appModule),
+      CodelabFile.Html('app')
+        .setCode(html)
+        .withHighlight(highlights.appHtml),
+      CodelabFile.TypeScriptFile('app.component').setCode(
+        require('!!raw-loader!./samples/basic/app.component.ts')
+      ),
+      CodelabFile.TypeScriptFile('bootstrap')
+        .setCode(require('!!raw-loader!./samples/basic/main.ts'))
+        .makeBootstrappable(),
+      CodelabFile.Css('styles').setCode(
+        require('!!raw-loader!@angular/material/prebuilt-themes/indigo-pink.css')
+      ),
+      CodelabFile.Css('extra').setCode('body {padding: 0; margin: 0;}')
+    ]
+  };
+}
+
+@Component({
+  selector: 'codelab-slides-material',
+  templateUrl: './material.component.html',
+  styleUrls: ['./material.component.css'],
+  encapsulation: ViewEncapsulation.None
+})
+export class MaterialComponent implements AfterViewInit {
+  exercise: ExerciseConfigTemplate;
+  @ViewChild('themePlayground', { static: false }) themePlayground;
+  @ViewChild('translations', { static: false }) translations;
+
+  themes = {
+    indigo: require('!!raw-loader!@angular/material/prebuilt-themes/indigo-pink.css'),
+    deeppurple: require('!!raw-loader!@angular/material/prebuilt-themes/deeppurple-amber.css'),
+    pink: require('!!raw-loader!@angular/material/prebuilt-themes/pink-bluegrey.css'),
+    purple: require('!!raw-loader!@angular/material/prebuilt-themes/purple-green.css')
+  };
+
+  code = {
+    material: {
+      step1: {
+        code: {
+          'app.component.ts': require('!!raw-loader!./samples/basic/app.component.ts'),
+          'app.module.ts': require('!!raw-loader!./samples/step1/app.module.ts'),
+          'app.html': require('!!raw-loader!./samples/step1/app.html'),
+          'bootstrap.ts': require('!!raw-loader!./samples/basic/main.ts'),
+          'styles.css': this.themes.indigo
+        },
+        files: ['app.module.ts', 'app.html'],
+        highlights: {
+          'app.module.ts': 'MatToolbarModule,',
+          'app.html': /<mat-toolbar[\s\S]*<\/mat-toolbar>/
+        }
+      },
+      step2: {
+        code: {
+          'app.component.ts': require('!!raw-loader!./samples/basic/app.component.ts'),
+          'app.module.ts': require('!!raw-loader!./samples/step2/app.module.ts'),
+          'app.html': require('!!raw-loader!./samples/step2/app.html'),
+          'bootstrap.ts': require('!!raw-loader!./samples/basic/main.ts'),
+          'styles.css': this.themes.indigo
+        },
+        files: ['app.module.ts', 'app.html'],
+        highlights: {
+          'app.module.ts': /MatCardModule,/,
+          'app.html': /<mat-card[\s\S]*<\/mat-card>/
+        }
+      },
+      step3: {
+        code: {
+          'app.component.ts': require('!!raw-loader!./samples/basic/app.component.ts'),
+          'app.module.ts': require('!!raw-loader!./samples/step2/app.module.ts'),
+          'app.html': require('!!raw-loader!./samples/step3/app.html'),
+          'bootstrap.ts': require('!!raw-loader!./samples/basic/main.ts'),
+          'styles.css': this.themes.indigo
+        },
+        files: ['app.html'],
+        highlights: {
+          'app.html': /<mat-card-header[\s\S]*?Photo of a Shiba Inu[\s\S]*?>/
+        }
+      },
+      step4: {
+        code: {
+          'app.component.ts': require('!!raw-loader!./samples/basic/app.component.ts'),
+          'app.module.ts': require('!!raw-loader!./samples/step4/app.module.ts'),
+          'app.html': require('!!raw-loader!./samples/step4/app.html'),
+          'bootstrap.ts': require('!!raw-loader!./samples/basic/main.ts'),
+          'styles.css': this.themes.indigo
+        },
+        files: ['app.module.ts', 'app.html'],
+        highlights: {
+          'app.module.ts': /MatButtonModule\n/,
+          'app.html': /<mat-card-actions[\s\S]*<\/mat-card-actions>/
+        }
+      },
+      themes: {
+        code: {
+          'app.component.ts': require('!!raw-loader!./samples/basic/app.component.ts'),
+          'app.module.ts': require('!!raw-loader!./samples/step4/app.module.ts'),
+          'app.html': require('!!raw-loader!./samples/step4/app.html'),
+          'bootstrap.ts': require('!!raw-loader!./samples/basic/main.ts'),
+          'styles.css': this.themes.indigo
+        },
+        files: ['app.html', 'styles.css']
+      },
+      theme: matExercise(
+        `MatToolbarModule,\n    MatCardModule,\n    MatButtonModule`,
+        require('!!raw-loader!./samples/basic/app.4.html')
+      )
+    }
+  };
+  private theme = 'indigo';
+  private t: Record<string, string>;
+
+  constructor(private exercises: Ng2TsExercises) {
+    this.exercise = exercises.getExercises(6, 0);
+  }
+
+  ngAfterViewInit() {
+    this.t = extractMessages(this.translations);
+  }
+
+  setTheme(theme) {
+    this.theme = theme;
+    this.code.material.themes.code['styles.css'] = this.themes[theme];
+    this.code.material.themes.code = { ...this.code.material.themes.code };
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.module.ts
new file mode 100644
index 000000000..fb550d4ca
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/material.module.ts
@@ -0,0 +1,36 @@
+import { MaterialComponent } from './material.component';
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatInputModule } from '@angular/material/input';
+import { FormsModule } from '@angular/forms';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { Ng2TsExercises } from '../../../../../../../ng2ts/ng2ts';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild([...SlidesRoutes.get(MaterialComponent)]);
+
+@NgModule({
+  imports: [
+    routes,
+    FeedbackModule,
+    CommonModule,
+    BrowserWindowModule,
+    MatButtonModule,
+    MatCardModule,
+    MatInputModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule,
+    CodeDemoModule
+  ],
+  declarations: [MaterialComponent],
+  exports: [MaterialComponent],
+  providers: [Ng2TsExercises]
+})
+export class MaterialCodelabModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.1.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.1.html
new file mode 100644
index 000000000..b40c58a4a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.1.html
@@ -0,0 +1,3 @@
+<mat-toolbar color="primary">
+  <span>Hi, I'm material toolbar</span>
+</mat-toolbar>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.2.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.2.html
new file mode 100644
index 000000000..133bb147b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.2.html
@@ -0,0 +1,13 @@
+<mat-toolbar color="primary">
+  <span>Hi, I'm material toolbar</span>
+</mat-toolbar>
+
+<mat-card class="example-card">
+  <mat-card-content>
+    <p>
+      The Shiba Inu is the smallest of the six original and distinct spitz
+      breeds of dog from Japan. A small, agile dog that copes very well with
+      mountainous terrain, the Shiba Inu was originally bred for hunting.
+    </p>
+  </mat-card-content>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.3.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.3.html
new file mode 100644
index 000000000..af6af7195
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.3.html
@@ -0,0 +1,23 @@
+<mat-toolbar color="primary">
+  <span>Hi, I'm material toolbar</span>
+</mat-toolbar>
+
+<mat-card class="example-card">
+  <mat-card-header>
+    <div mat-card-avatar class="example-header-image"></div>
+    <mat-card-title>Shiba Inu</mat-card-title>
+    <mat-card-subtitle>Dog Breed</mat-card-subtitle>
+  </mat-card-header>
+  <img
+    mat-card-image
+    src="http://material.angular.io/assets/img/examples/shiba2.jpg"
+    alt="Photo of a Shiba Inu"
+  />
+  <mat-card-content>
+    <p>
+      The Shiba Inu is the smallest of the six original and distinct spitz
+      breeds of dog from Japan. A small, agile dog that copes very well with
+      mountainous terrain, the Shiba Inu was originally bred for hunting.
+    </p>
+  </mat-card-content>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.4.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.4.html
new file mode 100644
index 000000000..4f1bb7f34
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.4.html
@@ -0,0 +1,25 @@
+<mat-toolbar color="primary"> <span>Header</span> </mat-toolbar>
+
+<mat-card class="example-card">
+  <mat-card-header>
+    <div mat-card-avatar class="example-header-image"></div>
+    <mat-card-title>Shiba Inu</mat-card-title>
+    <mat-card-subtitle>Dog Breed</mat-card-subtitle>
+  </mat-card-header>
+  <img
+    mat-card-image
+    src="http://material.angular.io/assets/img/examples/shiba2.jpg"
+    alt="Photo of a Shiba Inu"
+  />
+  <mat-card-content>
+    <p>
+      The Shiba Inu is the smallest of the six original and distinct spitz
+      breeds of dog from Japan. A small, agile dog that copes very well with
+      mountainous terrain, the Shiba Inu was originally bred for hunting.
+    </p>
+  </mat-card-content>
+  <mat-card-actions>
+    <button mat-raised-button color="primary">LIKE</button>
+    <button mat-button>SHARE</button>
+  </mat-card-actions>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.component.ts
new file mode 100644
index 000000000..decef5238
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.html'
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.html
new file mode 100644
index 000000000..4ba73475d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.html
@@ -0,0 +1,24 @@
+<mat-toolbar color="primary"> <span>Header</span> </mat-toolbar>
+
+<mat-card class="example-card">
+  <mat-card-header>
+    <div mat-card-avatar class="example-header-image"></div>
+    <mat-card-title>Shiba Inu</mat-card-title>
+    <mat-card-subtitle>Dog Breed</mat-card-subtitle>
+  </mat-card-header>
+  <img
+    mat-card-image
+    src="http://material.angular.io/assets/img/examples/shiba2.jpg"
+    alt="Photo of a Shiba Inu"
+  />
+  <mat-card-content>
+    <p>
+      The Shiba Inu is the smallest of the six original and distinct spitz
+      breeds of dog from Japan. A small, agile dog that copes very well with
+      mountainous terrain, the Shiba Inu was originally bred for hunting.
+    </p>
+  </mat-card-content>
+  <mat-card-actions>
+    <button mat-button>LIKE</button> <button mat-button>SHARE</button>
+  </mat-card-actions>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.module.ts
new file mode 100644
index 000000000..d3ad83983
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/app.module.ts
@@ -0,0 +1,20 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [
+    BrowserModule,
+    NoopAnimationsModule,
+    MatToolbarModule,
+    MatCardModule,
+    MatButtonModule
+  ],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/code.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/code.ts
new file mode 100644
index 000000000..63c681e0b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/code.ts
@@ -0,0 +1,2 @@
+// I'm ignored
+export const hi = 'hi';
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/main.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/main.ts
new file mode 100644
index 000000000..f8b9878bf
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/basic/main.ts
@@ -0,0 +1,31 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app.module';
+import { ResourceLoader } from '@angular/compiler';
+import * as code from './code';
+
+class MyResourceLoader extends ResourceLoader {
+  get(url: string): Promise<string> {
+    const templateId = Object.keys(code).find(key =>
+      key.includes(url.replace(/[\/\.-]/gi, '_'))
+    );
+    const template = code[templateId];
+    if (!template) {
+      console.log(template);
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+    return Promise.resolve(template);
+  }
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule, [
+  {
+    providers: [
+      {
+        provide: ResourceLoader,
+        useFactory: () => new MyResourceLoader(),
+        deps: []
+      }
+    ]
+  }
+]);
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step1/app.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step1/app.html
new file mode 100644
index 000000000..b40c58a4a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step1/app.html
@@ -0,0 +1,3 @@
+<mat-toolbar color="primary">
+  <span>Hi, I'm material toolbar</span>
+</mat-toolbar>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step1/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step1/app.module.ts
new file mode 100644
index 000000000..d3ad83983
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step1/app.module.ts
@@ -0,0 +1,20 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [
+    BrowserModule,
+    NoopAnimationsModule,
+    MatToolbarModule,
+    MatCardModule,
+    MatButtonModule
+  ],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step2/app.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step2/app.html
new file mode 100644
index 000000000..133bb147b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step2/app.html
@@ -0,0 +1,13 @@
+<mat-toolbar color="primary">
+  <span>Hi, I'm material toolbar</span>
+</mat-toolbar>
+
+<mat-card class="example-card">
+  <mat-card-content>
+    <p>
+      The Shiba Inu is the smallest of the six original and distinct spitz
+      breeds of dog from Japan. A small, agile dog that copes very well with
+      mountainous terrain, the Shiba Inu was originally bred for hunting.
+    </p>
+  </mat-card-content>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step2/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step2/app.module.ts
new file mode 100644
index 000000000..d3ad83983
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step2/app.module.ts
@@ -0,0 +1,20 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [
+    BrowserModule,
+    NoopAnimationsModule,
+    MatToolbarModule,
+    MatCardModule,
+    MatButtonModule
+  ],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step3/app.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step3/app.html
new file mode 100644
index 000000000..af6af7195
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step3/app.html
@@ -0,0 +1,23 @@
+<mat-toolbar color="primary">
+  <span>Hi, I'm material toolbar</span>
+</mat-toolbar>
+
+<mat-card class="example-card">
+  <mat-card-header>
+    <div mat-card-avatar class="example-header-image"></div>
+    <mat-card-title>Shiba Inu</mat-card-title>
+    <mat-card-subtitle>Dog Breed</mat-card-subtitle>
+  </mat-card-header>
+  <img
+    mat-card-image
+    src="http://material.angular.io/assets/img/examples/shiba2.jpg"
+    alt="Photo of a Shiba Inu"
+  />
+  <mat-card-content>
+    <p>
+      The Shiba Inu is the smallest of the six original and distinct spitz
+      breeds of dog from Japan. A small, agile dog that copes very well with
+      mountainous terrain, the Shiba Inu was originally bred for hunting.
+    </p>
+  </mat-card-content>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step4/app.html b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step4/app.html
new file mode 100644
index 000000000..4f1bb7f34
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step4/app.html
@@ -0,0 +1,25 @@
+<mat-toolbar color="primary"> <span>Header</span> </mat-toolbar>
+
+<mat-card class="example-card">
+  <mat-card-header>
+    <div mat-card-avatar class="example-header-image"></div>
+    <mat-card-title>Shiba Inu</mat-card-title>
+    <mat-card-subtitle>Dog Breed</mat-card-subtitle>
+  </mat-card-header>
+  <img
+    mat-card-image
+    src="http://material.angular.io/assets/img/examples/shiba2.jpg"
+    alt="Photo of a Shiba Inu"
+  />
+  <mat-card-content>
+    <p>
+      The Shiba Inu is the smallest of the six original and distinct spitz
+      breeds of dog from Japan. A small, agile dog that copes very well with
+      mountainous terrain, the Shiba Inu was originally bred for hunting.
+    </p>
+  </mat-card-content>
+  <mat-card-actions>
+    <button mat-raised-button color="primary">LIKE</button>
+    <button mat-button>SHARE</button>
+  </mat-card-actions>
+</mat-card>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step4/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step4/app.module.ts
new file mode 100644
index 000000000..d3ad83983
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/material/samples/step4/app.module.ts
@@ -0,0 +1,20 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [
+    BrowserModule,
+    NoopAnimationsModule,
+    MatToolbarModule,
+    MatCardModule,
+    MatButtonModule
+  ],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/libs/utils/src/lib/sync/components/poll/sync-poll-presenter/leaderboard/leaderboard-presenter/leaderboard-presenter.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/poll/sync-poll-presenter/leaderboard/leaderboard-presenter/leaderboard-presenter.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.html
new file mode 100644
index 000000000..233c6bc27
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.html
@@ -0,0 +1,174 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <div *slide id="intro" no-padding milestone="Pipes">
+    <codelab-title-slide
+      title="Pipes"
+      description="Learn how pipes transform input values to output values for display in a view."
+      prereqs="Interpolation expressions"
+    ></codelab-title-slide>
+  </div>
+
+  <!-- WHAT ARE PIPES  -->
+  <div *slide id="pipes-description" milestone="Pipes">
+    <h1>Introduction</h1>
+    <div class="centered-vertically">
+      <h2>
+        Every application starts out with what seems like a simple task: get
+        data, transform it, and show it to users. Getting data could be as
+        simple as creating a local variable or as complex as streaming data over
+        a WebSocket.<br /><br />
+        An Angular pipe is a <b>function</b> that transforms input values to
+        output values for display in a view. Let's see how it works.
+      </h2>
+    </div>
+  </div>
+
+  <!--  HOW DO PIPES WORK -->
+  <div *slide id="how-pipes-work" milestone="Pipes">
+    <h1>How do pipes work?</h1>
+    <h2>
+      A pipe takes in data as input and transforms it to a desired output.
+    </h2>
+    <h3>
+      Inside the interpolation expression, we use the pipe
+      <b>( &#124; )</b> operator to pass the App Component's 'dob' through the
+      the 'date' pipe on the right, transforming a long timestamp into a more
+      human-readable output. All pipes follow this signature.
+      <codelab-exercise-playground
+        [exercise]="code.workingPipes.template"
+        [codeDemoHighlight]="[code.workingPipes.matches.pipeOperator]"
+      ></codelab-exercise-playground>
+    </h3>
+  </div>
+
+  <!--  BUILT-IN PIPES -->
+  <div *slide id="built-in-pipes" milestone="Pipes">
+    <h1>Built-in Pipes</h1>
+    <div class="centered-vertically">
+      <h2>
+        Angular comes with a variety of built-in pipes that can be used in any
+        template or binding expression. Some of these pipes are:
+      </h2>
+      <ul>
+        <li>DatePipe</li>
+        <li>UpperCasePipe</li>
+        <li>LowerCasePipe</li>
+        <li>CurrencyPipe</li>
+        <li>PercentPipe</li>
+      </ul>
+      <h2>
+        You can check out all the pipes
+        <a href="https://angular.io/docs/ts/latest/api/#!?query=pipe"
+          >in the docs.</a
+        >
+      </h2>
+    </div>
+  </div>
+
+  <!--  CHAINED PIPES -->
+  <div *slide id="chained-pipes" milestone="Pipes">
+    <h1>Chained Pipes</h1>
+    <h2>
+      Translate Dali's birthday to a more human-friendly format. While you're at
+      it, make his birthday uppercase, too.
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.chainedPipesExample.template"
+    ></codelab-exercise-playground>
+    <div class="info" milestone="Pipes">Hint: dob ... date ... uppercase</div>
+  </div>
+
+  <!--  PIPES WITH ARGUMENT -->
+  <div *slide id="argument-pipes" milestone="Pipes">
+    <h1>Pipes with arguments:</h1>
+    <code-demo-editor [(ngModel)]="code.argumentPipes.template" language="html">
+    </code-demo-editor>
+    <div class="info" milestone="Pipes">
+      To add parameters to a pipe, append a colon ( : ) followed by the
+      parameters' values e.g. currency:'AUD'
+    </div>
+  </div>
+
+  <!--  PIPES AS FILTERS  -->
+  <div *slide id="pipes-as-filters" milestone="Pipes">
+    <h1>Using custom pipes to filter data</h1>
+    <code-demo-editor [(ngModel)]="code.filterPipes.template" language="html">
+    </code-demo-editor>
+  </div>
+
+  <!--  CREATING A PIPE  -->
+  <div *slide id="crating-pipe" milestone="Pipes">
+    <h1>Creating a pipe</h1>
+    <code-demo-editor
+      [fontSize]="25"
+      [(ngModel)]="code.creatingAPipe.template"
+      [codeDemoHighlight]="code.creatingAPipe.matches.exportClass"
+    >
+    </code-demo-editor>
+    <h2>A pipe is a class decorated with pipe metadata.</h2>
+  </div>
+
+  <!--  PIPE TRANSFORM  -->
+  <div *slide id="pipeTransform" milestone="Pipes">
+    <h1>Creating a pipe</h1>
+    <code-demo-editor
+      [fontSize]="25"
+      [(ngModel)]="code.creatingAPipe.template"
+      [codeDemoHighlight]="code.creatingAPipe.matches.pipeTransform"
+    >
+    </code-demo-editor>
+    <h2>The pipe class implements the PipeTransform interface.</h2>
+  </div>
+
+  <!--  PIPE TRANSFORM METHOD  -->
+  <div *slide id="pipe-transform-method" milestone="Pipes">
+    <h1>Creating a pipe</h1>
+    <code-demo-editor
+      [fontSize]="25"
+      [(ngModel)]="code.creatingAPipe.template"
+      [codeDemoHighlight]="code.creatingAPipe.matches.method"
+    >
+    </code-demo-editor>
+    <h2>
+      The transform method accepts an input value followed by optional
+      parameters and returns the transformed value.
+    </h2>
+  </div>
+
+  <!--  PIPE DECORATOR  -->
+  <div *slide id="pipe-decorator" milestone="Pipes">
+    <h1>Creating a pipe</h1>
+    <code-demo-editor
+      [fontSize]="25"
+      [(ngModel)]="code.creatingAPipe.template"
+      [codeDemoHighlight]="code.creatingAPipe.matches.decorator"
+    >
+    </code-demo-editor>
+    <h2>
+      The @Pipe decorator allows you to define the pipe name that you'll use
+      within template expressions.
+    </h2>
+    <div class="info" milestone="Pipes">
+      Don't forget to import the @Pipe decorator from the core Angular library.
+    </div>
+  </div>
+
+  <!--  END -->
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header><h1>End of the Pipes Section</h1></div>
+      <div class="body" body>
+        <h2>Well done! This is the end of the milestone!</h2>
+      </div>
+      <div class="footer" footer>
+        <h2>
+          <a routerLink="/visual-studio-code/0"
+            >Go to the next Bonus Milestone</a
+          >
+        </h2>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.ts
new file mode 100644
index 000000000..c1e619a8e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.component.ts
@@ -0,0 +1,80 @@
+import { Component } from '@angular/core';
+import { displayAngularComponent } from '../../../shared/helpers/helpers';
+
+@Component({
+  selector: 'codelab-slides-pipes',
+  templateUrl: './pipes.component.html',
+  styleUrls: ['./pipes.component.css']
+})
+export class PipesComponent {
+  code = {
+    chainedPipesExample: {
+      template: displayAngularComponent(`import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Salvador's Dali DOB</h1>
+  <p>{{ dob }}</p>\`
+})
+export class AppComponent {
+  dob = new Date(1904, 4, 11);
+}`)
+    },
+    workingPipes: {
+      template: displayAngularComponent(`import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Salvador's Dali DOB</h1>
+  <p>{{dob}}</p>
+  <p>{{ dob | date }}</p>\`
+})
+export class AppComponent {
+  dob = new Date(1904, 4, 11);
+}`),
+      matches: {
+        pipeOperator: '|'
+      }
+    },
+    argumentPipes: {
+      template: `<p>Your budget is {{budget | currency:'AUD'}}</p>
+<p>Your truncated name is {{name | substring:1:4}}</p>
+<!-- Maryanne -> Mary -->`,
+      readonly: true,
+      path: 'argument.pipe.html'
+    },
+    filterPipes: {
+      template: `<!-- Here we pipe team.roster through
+  a custom “notInjured” pipe,
+  then render each player that isn't injured. -->
+<ul>
+  <li *ngFor="let player of (team.roster | notInjured)">
+    {{player.name}}
+  </li>
+</ul>`,
+      readonly: true,
+      path: 'filter.pipe.html'
+    },
+    creatingAPipe: {
+      template: `import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({name: 'substring'})
+export class SubstringPipe implements PipeTransform {
+  transform(value: string, start: number, end: number): string {
+    return (value || '').slice(start, end);
+  }
+}`,
+      matches: {
+        exportClass: /export.*/,
+        decorator: /@Pipe/,
+        pipeTransform: /PipeTransform/,
+        method: /transform[^]*?\)[^]/
+      },
+      readonly: true,
+      path: 'substring.pipe.ts',
+      type: 'typescript'
+    }
+  };
+
+  constructor() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.module.ts
new file mode 100644
index 000000000..4ce63b1a1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/pipes.module.ts
@@ -0,0 +1,26 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FormsModule } from '@angular/forms';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { PipesComponent } from './pipes.component';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(PipesComponent));
+
+@NgModule({
+  imports: [
+    routes,
+    CodeDemoModule,
+    BrowserWindowModule,
+    FeedbackModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  declarations: [PipesComponent],
+  exports: [PipesComponent]
+})
+export class PipesModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.component.html
new file mode 100644
index 000000000..3ede6aafc
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.component.html
@@ -0,0 +1,2 @@
+Wow, check out this terribly formatted date:
+<h1>{{ birthday }}</h1>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.component.ts
new file mode 100644
index 000000000..49d54ae8d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.component.ts
@@ -0,0 +1,9 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.component.html'
+})
+export class AppComponent {
+  birthday = new Date('2012-01-19');
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.module.ts
new file mode 100644
index 000000000..60e193df9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/pipes/samples/pipes/app.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { AppComponent } from './app.component';
+
+// Useless app module to prevent angular from complaining
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/playground/angular-sample.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/angular-sample.ts
new file mode 100644
index 000000000..fa1e5e82b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/angular-sample.ts
@@ -0,0 +1,26 @@
+export const angularSampleCode = {
+  'app.component.ts': `import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Edit me </h1>\`
+})
+export class AppComponent {}`,
+  'app.module.ts': `import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}`,
+
+  'main.ts': `import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app.module';
+
+platformBrowserDynamic().bootstrapModule(AppModule);
+`,
+  'index.html': '<my-app></my-app>'
+};
diff --git a/libs/utils/src/lib/sync/components/poll/sync-poll-presenter/leaderboard/leaderboard-viewer/leaderboard-viewer.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/poll/sync-poll-presenter/leaderboard/leaderboard-viewer/leaderboard-viewer.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.html
new file mode 100644
index 000000000..ea1a4a542
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.html
@@ -0,0 +1,5 @@
+<code-demo
+  [(ngModel)]="code"
+  (ngModelChange)="handleUpdate($event)"
+  bootstrap="main"
+></code-demo>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.spec.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.spec.ts
new file mode 100644
index 000000000..a426454eb
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.spec.ts
@@ -0,0 +1,38 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PlaygroundComponent } from './playground.component';
+import { PlaygroundModule } from './playground.module';
+import { ActivatedRoute, Router } from '@angular/router';
+
+describe('PlaygroundComponent', () => {
+  let component: PlaygroundComponent;
+  let fixture: ComponentFixture<PlaygroundComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [PlaygroundModule],
+      providers: [
+        {
+          provide: ActivatedRoute,
+          useValue: { snapshot: { queryParams: { code: '' } } }
+        },
+        {
+          provide: Router,
+          useValue: {
+            navigate: jasmine.createSpy('navigate')
+          }
+        }
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PlaygroundComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create!', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.ts
new file mode 100644
index 000000000..6e82f60bc
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.component.ts
@@ -0,0 +1,34 @@
+import { Component } from '@angular/core';
+import { angularSampleCode } from './angular-sample';
+import { ActivatedRoute, Router } from '@angular/router';
+
+@Component({
+  selector: 'codelab-playground',
+  templateUrl: './playground.component.html',
+  styleUrls: ['./playground.component.css']
+})
+export class PlaygroundComponent {
+  code = angularSampleCode;
+
+  constructor(
+    private readonly activatedRoute: ActivatedRoute,
+    private readonly router: Router
+  ) {
+    const code = activatedRoute.snapshot.queryParams.code;
+    if (code) {
+      try {
+        this.code = { ...angularSampleCode, ...JSON.parse(atob(code)) };
+      } catch (e) {
+        console.log('can not parse code', code);
+      }
+    }
+  }
+
+  handleUpdate(code: any) {
+    const encoded = btoa(JSON.stringify(code));
+    this.router.navigate([], {
+      relativeTo: this.activatedRoute,
+      queryParams: { code: encoded }
+    });
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.module.ts
new file mode 100644
index 000000000..ec4585dbc
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/playground/playground.module.ts
@@ -0,0 +1,17 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { PlaygroundComponent } from './playground.component';
+import { RouterModule } from '@angular/router';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { FormsModule } from '@angular/forms';
+
+@NgModule({
+  declarations: [PlaygroundComponent],
+  imports: [
+    RouterModule.forChild([{ path: '', component: PlaygroundComponent }]),
+    CodeDemoModule,
+    CommonModule,
+    FormsModule
+  ]
+})
+export class PlaygroundModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.css
new file mode 100644
index 000000000..103b62fb9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.css
@@ -0,0 +1,12 @@
+.router-preview {
+  display: flex;
+}
+
+.router-preview codelab-exercise-preview {
+  margin: 10px;
+}
+
+.router-preview ::ng-deep .url {
+  color: black !important;
+  background: #f8ff15 !important;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.html
new file mode 100644
index 000000000..05d7661b8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.html
@@ -0,0 +1,184 @@
+<div #translations style="display: none">
+  <div i18n="@@UseRouterModule" id="UseRouterModule">
+    app.module.ts: Using RouterModule.forRoot provide an empty array to the
+    module
+  </div>
+  <div i18n="@@AddEmptyRoute" id="AddEmptyRoute">
+    app.module.ts: Add a route with an empty ('') path to display
+    SearchComponent
+  </div>
+  <div i18n="@@AddUploadRoute" id="AddUploadRoute">
+    app.module.ts: Add a route with path of "upload" to display UploadComponent
+  </div>
+  <div i18n="@@AddRouterOutlet" id="AddRouterOutlet">
+    app.html: Add router-outlet
+  </div>
+  <div i18n="@@AddSearchMenu" id="AddSearchMenu">
+    app.html: Add a menu item with a text Search pointing to "/"
+  </div>
+  <div i18n="@@AddUploadMenu" id="AddUploadMenu">
+    app.html: Add a menu item with a text Upload pointing to "/upload"
+  </div>
+</div>
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <!--  INTRO -->
+  <div *slide id="intro" no-padding>
+    <codelab-title-slide
+      i18n-title
+      i18n-description
+      title="Routing"
+      description="Learn how to add routing to your app"
+    ></codelab-title-slide>
+  </div>
+
+  <!--  Slide 2-->
+  <div *slide id="router-intro" milestone="Router">
+    <codelab-breadcrumb i18n>Intro</codelab-breadcrumb>
+    <h2 i18n>
+      Router is used to give <b>URLs</b> to different parts of your app.
+    </h2>
+    <div class="router-preview">
+      <preview-browser-window
+        column-5
+        url="http://localhost:4200/kittens"
+        style="height: 40vh"
+      >
+        <h1 i18n>Kittens</h1>
+      </preview-browser-window>
+      <preview-browser-window
+        column-5
+        url="http://localhost:4200/puppies"
+        style="height: 40vh"
+      >
+        <h1 i18n>Puppies</h1>
+      </preview-browser-window>
+    </div>
+  </div>
+  <div *slide id="router-intro2" milestone="Router">
+    <codelab-breadcrumb i18n>Intro</codelab-breadcrumb>
+    <h2 i18n>It takes 3 steps to set up routing in Angular:</h2>
+    <ol>
+      <li i18n>
+        Configure the mapping and specify which component to display for which
+        URL
+      </li>
+      <li i18n>Create the menu with navigation links</li>
+      <li i18n>Find a place to display selected component</li>
+    </ol>
+  </div>
+
+  <div *slide id="router-config" milestone="Router">
+    <codelab-breadcrumb i18n>Configuration</codelab-breadcrumb>
+    <h2 i18n>
+      Routes are configured by defining an array of mapping between URL path and
+      a component
+    </h2>
+    <code-demo
+      url="/assets/runner"
+      [(ngModel)]="code.files"
+      [files]="code.config.files"
+      [highlights]="code.config.highlights"
+    ></code-demo>
+  </div>
+
+  <div *slide id="router-config-pass-to-module" milestone="Router">
+    <codelab-breadcrumb i18n>Configuration</codelab-breadcrumb>
+    <h2 i18n>Then we have to pass the config to our module.</h2>
+    <code-demo
+      url="/assets/runner"
+      [(ngModel)]="code.files"
+      [files]="code.configPass.files"
+      [highlights]="code.configPass.highlights"
+    ></code-demo>
+    <div class="info" i18n>
+      Note that we're using <b>RouterModule.forRoot</b> which creates an Angular
+      Module out of our configuration.
+    </div>
+  </div>
+
+  <div *slide id="router-outlet" milestone="Router">
+    <codelab-breadcrumb i18n>router-outlet</codelab-breadcrumb>
+    <h2 i18n>
+      Now we have to find a place where the router would display selected
+      component.
+    </h2>
+    <h2 i18n>It can be marked by placing <b>router-outlet</b> tag</h2>
+
+    <code-demo
+      url="/assets/runner"
+      [(ngModel)]="code.files"
+      [files]="code.routerOutlet.files"
+      [highlights]="code.routerOutlet.highlights"
+    ></code-demo>
+  </div>
+
+  <div *slide id="menu" milestone="Router">
+    <codelab-breadcrumb i18n>Menu</codelab-breadcrumb>
+    <h2 i18n>The last part is creating the menu.</h2>
+    <h2 i18n>Use <b>routerLink</b> directive to provide the URL</h2>
+
+    <code-demo
+      url="/assets/runner"
+      [(ngModel)]="code.files"
+      [files]="code.menu.files"
+      [highlights]="code.menu.highlights"
+    ></code-demo>
+  </div>
+
+  <div *slide id="exercise-pre">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide there is an exercise. We're going to add 2 routes:
+      <b>Search</b> and <b>Upload</b>, and a menu for switching between them.
+    </h2>
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercise"
+      [url]="'/assets/runner/'"
+    ></codelab-exercise-preview>
+    <div class="info" i18n>
+      Note: We have already created empty Upload component and SearchComponent
+      containing search logic.
+    </div>
+  </div>
+
+  <div *slide id="exercise" no-padding>
+    <codelab-exercise
+      milestone="Router"
+      [translations]="t"
+      url="/assets/runner"
+      [exercise]="exercise"
+    >
+    </codelab-exercise>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <codelab-breadcrumb i18n
+          >End of The Routing Milestone
+        </codelab-breadcrumb>
+      </div>
+      <div class="body" body>
+        <h2 i18n>Well done! This is the end of the milestone!</h2>
+        <h2 i18n>
+          Check out
+          <a href="https://angular.io/guide/router">Angular Router Guide</a> for
+          more fun and advanced techniques.
+        </h2>
+      </div>
+      <div class="footer" footer>
+        <h2>
+          <ng-container i18n>Next:</ng-container>
+          <a routerLink="../../material/0" i18n>
+            Learn how to create beautiful UIs with Angular Material
+          </a>
+        </h2>
+        <feedback-rating lesson="Router"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.ts
new file mode 100644
index 000000000..9029146b6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.component.ts
@@ -0,0 +1,62 @@
+import { CodelabFile } from '../../../shared/helpers/codelabFile';
+import { AfterViewInit, Component, ViewChild } from '@angular/core';
+import {
+  ExerciseConfigTemplate,
+  Ng2TsExercises
+} from '../../../../../../../ng2ts/ng2ts';
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+
+declare const require;
+
+interface FileHighlights {
+  appModule?: RegExp | RegExp[];
+  appHtml?: RegExp | RegExp[];
+}
+
+@Component({
+  selector: 'codelab-slides-router',
+  templateUrl: './router.component.html',
+  styleUrls: ['./router.component.css']
+})
+export class RouterComponent implements AfterViewInit {
+  @ViewChild('translations', { static: false }) translations;
+  private t: Record<string, string>;
+  exercise: ExerciseConfigTemplate;
+
+  code = {
+    files: {
+      'app.module.ts': require('!!raw-loader!./samples/simple-router/app.module.ts'),
+      'app.component.html': require('!!raw-loader!./samples/simple-router/app.component.html'),
+      'app.component.ts': require('!!raw-loader!./samples/simple-router/app.component.ts'),
+      'components/kitten.ts': require('!!raw-loader!./samples/simple-router/components/kitten.ts'),
+      'components/puppy.ts': require('!!raw-loader!./samples/simple-router/components/puppy.ts'),
+      'bootstrap.ts': require('!!raw-loader!./samples/simple-router/main.ts'),
+      'index.html': require('!!raw-loader!./samples/simple-router/index.html'),
+      'components/.html': require('!!raw-loader!./samples/simple-router/index.html')
+    },
+    config: {
+      files: ['app.module.ts'],
+      highlights: { 'app.module.ts': /const routes[\s\S]*?];[\s\S]/ }
+    },
+    configPass: {
+      files: ['app.module.ts'],
+      highlights: { 'app.module.ts': /RouterModule.forRoot\(routes\)/ }
+    },
+    routerOutlet: {
+      files: ['app.component.html'],
+      highlights: { 'app.component.html': /<router-outlet><\/router-outlet>/ }
+    },
+    menu: {
+      files: ['app.component.html'],
+      highlights: { 'app.component.html': /<a[\s\S]*\/a>/ }
+    }
+  };
+
+  constructor(private exercises: Ng2TsExercises) {
+    this.exercise = exercises.getExercises(5, 0);
+  }
+
+  ngAfterViewInit() {
+    this.t = extractMessages(this.translations);
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.module.ts
new file mode 100644
index 000000000..4e85ff5ef
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/router.module.ts
@@ -0,0 +1,30 @@
+import { RouterComponent } from './router.component';
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FormsModule } from '@angular/forms';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { Ng2TsExercises } from '../../../../../../../ng2ts/ng2ts';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild([...SlidesRoutes.get(RouterComponent)]);
+
+@NgModule({
+  imports: [
+    routes,
+    FeedbackModule,
+    CommonModule,
+    BrowserWindowModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule,
+    CodeDemoModule
+  ],
+  declarations: [RouterComponent],
+  providers: [Ng2TsExercises],
+  exports: [RouterComponent]
+})
+export class RouterCodelabModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.component.html
new file mode 100644
index 000000000..af550fe5f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.component.html
@@ -0,0 +1,3 @@
+<h1>Puppies And Kittens</h1>
+<a routerLink="/">Puppies</a> | <a routerLink="/kittens">Kittens</a>
+<router-outlet></router-outlet>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.component.ts
new file mode 100644
index 000000000..5f2d7aaf6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line
+  selector: 'my-app',
+  templateUrl: './app.component.html'
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.module.ts
new file mode 100644
index 000000000..0ccb9f5b6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/app.module.ts
@@ -0,0 +1,18 @@
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { RouterModule, Routes } from '@angular/router';
+import { PuppyComponent } from './components/puppy';
+import { KittenComponent } from './components/kitten';
+import { BrowserModule } from '@angular/platform-browser';
+
+const routes: Routes = [
+  { path: '', component: PuppyComponent },
+  { path: 'kittens', component: KittenComponent }
+];
+
+@NgModule({
+  declarations: [AppComponent, PuppyComponent, KittenComponent],
+  imports: [BrowserModule, RouterModule.forRoot(routes)],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/code.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/code.ts
new file mode 100644
index 000000000..63c681e0b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/code.ts
@@ -0,0 +1,2 @@
+// I'm ignored
+export const hi = 'hi';
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/components/kitten.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/components/kitten.ts
new file mode 100644
index 000000000..6ab730331
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/components/kitten.ts
@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-i-am-not-very-important',
+  template: '<h1>Kittens</h1>'
+})
+export class KittenComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/components/puppy.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/components/puppy.ts
new file mode 100644
index 000000000..c26309025
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/components/puppy.ts
@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-i-will-be-ignored',
+  template: '<h1>Puppies!</h1>'
+})
+export class PuppyComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/index.html b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/index.html
new file mode 100644
index 000000000..1fab8b6da
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/index.html
@@ -0,0 +1,3 @@
+<base href="/assets/runner/" />
+<my-app></my-app>
+<div class="error"></div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/main.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/main.ts
new file mode 100644
index 000000000..d55fc449c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/router/samples/simple-router/main.ts
@@ -0,0 +1,29 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app.module';
+import { ResourceLoader } from '@angular/compiler';
+import * as code from './code';
+
+class MyResourceLoader extends ResourceLoader {
+  get(url: string): Promise<string> {
+    const templateId = Object.keys(code).find(key =>
+      key.includes(url.replace(/[\/\.-]/gi, '_'))
+    );
+    const template = code[templateId];
+    if (!template) {
+      console.log(template);
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+    return Promise.resolve(template);
+  }
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule, {
+  providers: [
+    {
+      provide: ResourceLoader,
+      useFactory: () => new MyResourceLoader(),
+      deps: []
+    }
+  ]
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/bsod.css b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/bsod.css
new file mode 100644
index 000000000..f0145b2b8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/bsod.css
@@ -0,0 +1,65 @@
+@import url(https://fonts.googleapis.com/css?family=Press+Start+2p);
+
+.container {
+  display: flex;
+  font-family: 'Press Start 2P', cursive;
+  align-items: center;
+  width: 100%;
+  height: 100%;
+}
+
+.msg {
+  padding-left: 100px;
+  padding-right: 100px;
+}
+
+p {
+  text-align: left;
+}
+
+.continue {
+  text-align: center;
+}
+
+.highlight {
+  color: rgb(1, 2, 172);
+  background-color: rgb(172, 173, 168);
+  padding: 3px;
+  text-align: center;
+  width: 150px;
+}
+
+.blink {
+  animation: blink 1s steps(2, start) infinite;
+}
+
+@keyframes blink {
+  to {
+    visibility: hidden;
+  }
+}
+
+#bsod,
+#bsod-2,
+#bsod-beautiful {
+  color: white;
+  background: #084fdd;
+  display: inline-block;
+  height: 100vh;
+}
+
+#bsod-2 .alfred-upset {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 263px;
+  height: 420px;
+  background: url(./pics/Alfred_Sisley_photo_full.jpg);
+}
+
+#bsod-beautiful {
+  background: url(./pics/bebbf81f5402fbbec1cff6eb687aa90a.jpg) no-repeat center
+    center fixed;
+  background-size: 100%;
+  color: black;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/pics/Alfred_Sisley_photo_full.jpg b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/pics/Alfred_Sisley_photo_full.jpg
new file mode 100644
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diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/pics/bridge-at-villeneuve-la-garenne-1872.jpg b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/pics/bridge-at-villeneuve-la-garenne-1872.jpg
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diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/alert.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/alert.component.ts
new file mode 100644
index 000000000..519a316e6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/alert.component.ts
@@ -0,0 +1,13 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: '' + 'app-alert',
+  template: `
+    Hi ALert
+  `
+})
+export class AlertComponent {
+  constructor() {
+    alert('Hello');
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/app.component.ts
new file mode 100644
index 000000000..609e0e332
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/app.component.ts
@@ -0,0 +1,27 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'my-app',
+  template: `
+    <nav mat-tab-nav-bar>
+      <a mat-tab-link *ngFor="let tab of tabs" [routerLink]="tab.link">
+        {{ tab.label }}
+      </a>
+    </nav>
+
+    <router-outlet></router-outlet>
+  `
+})
+export class AppComponent {
+  tabs = [
+    {
+      link: '',
+      label: 'Tab 1'
+    },
+    {
+      link: 'danger',
+      label: 'Danger'
+    }
+  ];
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/app.module.ts
new file mode 100644
index 000000000..708bc7a7f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/app.module.ts
@@ -0,0 +1,21 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { AlertComponent } from './alert.component';
+import { TabComponent } from './tab.component';
+import { RouterModule } from '@angular/router';
+import { APP_BASE_HREF } from '@angular/common';
+import { MatTabsModule } from '@angular/material/tabs';
+
+const routes = [
+  { path: '', component: TabComponent },
+  { path: 'danger', component: AlertComponent }
+];
+
+@NgModule({
+  imports: [BrowserModule, MatTabsModule, RouterModule.forRoot(routes)],
+  declarations: [AppComponent, AlertComponent, TabComponent],
+  bootstrap: [AppComponent],
+  providers: [{ provide: APP_BASE_HREF, useValue: '/assets/runner/' }]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/tab.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/tab.component.ts
new file mode 100644
index 000000000..710c317ae
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/mat-tab-nav-bar/tab.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'my-app',
+  template: `
+    <div><img src="../images/sisley/img4.jpeg" alt="" /></div>
+  `
+})
+export class TabComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/alert.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/alert.component.ts
new file mode 100644
index 000000000..519a316e6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/alert.component.ts
@@ -0,0 +1,13 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: '' + 'app-alert',
+  template: `
+    Hi ALert
+  `
+})
+export class AlertComponent {
+  constructor() {
+    alert('Hello');
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.component.ts
new file mode 100644
index 000000000..decef5238
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.html'
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.html
new file mode 100644
index 000000000..2e9431a80
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.html
@@ -0,0 +1,8 @@
+<h1>Alfred Sisley</h1>
+
+<mat-tab-group>
+  <mat-tab label="Artworks">
+    <div><img src="../images/sisley/img2.jpeg" alt="" /></div>
+  </mat-tab>
+  <mat-tab label="Tab 2"> <div>Content 2</div> </mat-tab>
+</mat-tab-group>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.module.ts
new file mode 100644
index 000000000..18b4c2a7e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.module.ts
@@ -0,0 +1,14 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { MatTabsModule } from '@angular/material/tabs';
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { AlertComponent } from './alert.component';
+import { HideMeDirective } from './hideme.directive';
+
+@NgModule({
+  imports: [BrowserModule, MatTabsModule, NoopAnimationsModule],
+  declarations: [AppComponent, AlertComponent, HideMeDirective],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.solved.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.solved.html
new file mode 100644
index 000000000..894ae68c0
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/app.solved.html
@@ -0,0 +1,8 @@
+<mat-tab-group>
+  <mat-tab label="Tab 1">
+    <div *matHideMe><img src="../images/sisley/img3.jpeg" alt="" /></div>
+  </mat-tab>
+  <mat-tab label="Tab 2">
+    <div *matHideMe><app-alert></app-alert></div>
+  </mat-tab>
+</mat-tab-group>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/hideme.directive.solved.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/hideme.directive.solved.ts
new file mode 100644
index 000000000..0f396def1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/hideme.directive.solved.ts
@@ -0,0 +1,36 @@
+import {
+  AfterViewInit,
+  Directive,
+  TemplateRef,
+  ViewContainerRef
+} from '@angular/core';
+import { MatTabGroup, MatTab } from '@angular/material/tabs';
+
+/* tslint:disable */
+@Directive({ selector: '[matHideMe]' })
+export class HideMeDirective implements AfterViewInit {
+  constructor(
+    private parentTab: MatTab,
+    private tabs: MatTabGroup,
+    private viewContainer: ViewContainerRef,
+    private templateRef: TemplateRef<any>
+  ) {
+    (tabs as any).selectChange.subscribe(({ tab }: { tab: MatTab }) => {
+      this.toggleContentDisplay(tab === parentTab);
+    });
+  }
+
+  toggleContentDisplay(isDisplayed: boolean) {
+    if (isDisplayed) {
+      this.viewContainer.createEmbeddedView(this.templateRef);
+    } else {
+      this.viewContainer.clear();
+    }
+  }
+
+  ngAfterViewInit() {
+    this.toggleContentDisplay(
+      this.parentTab.position === this.tabs.selectedIndex
+    );
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/hideme.directive.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/hideme.directive.ts
new file mode 100644
index 000000000..0f5016ab4
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/hideme.directive.ts
@@ -0,0 +1,7 @@
+import { Directive } from '@angular/core';
+
+/* tslint:disable */
+@Directive({ selector: '[matHideMe]' })
+export class HideMeDirective {
+  constructor() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/ignored.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/ignored.module.ts
new file mode 100644
index 000000000..b1eaddb1a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs-structural-directive/ignored.module.ts
@@ -0,0 +1,9 @@
+import { NgModule } from '@angular/core';
+import { HideMeDirective } from './hideme.directive.solved';
+
+// This is needed because angular cli wants the directive to be in a module
+// https://github.com/angular/angular/issues/13590
+@NgModule({
+  declarations: [HideMeDirective]
+})
+export class IgnoredModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/alert.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/alert.component.ts
new file mode 100644
index 000000000..c3e92ee6a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/alert.component.ts
@@ -0,0 +1,13 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: '' + 'app-alert',
+  template: `
+    This is AlertComponent!
+  `
+})
+export class AlertComponent {
+  constructor() {
+    alert('Hello');
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.component.ts
new file mode 100644
index 000000000..decef5238
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.html'
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.html
new file mode 100644
index 000000000..ba69a4f64
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.html
@@ -0,0 +1,8 @@
+<h1>Alfred Sisley</h1>
+
+<mat-tab-group>
+  <mat-tab label="Art works">
+    <div><img src="../images/sisley/img1.jpeg" alt="" /></div>
+  </mat-tab>
+  <mat-tab label="TBD"> <div>TBD</div> </mat-tab>
+</mat-tab-group>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.module.ts
new file mode 100644
index 000000000..b0cf13a17
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.module.ts
@@ -0,0 +1,21 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { MatTabsModule } from '@angular/material/tabs';
+
+import { NoopAnimationsModule } from '@angular/platform-browser/animations';
+import { AlertComponent } from './alert.component';
+import { BreakMyComputerComponent } from './break-my-computer.component';
+import { TaetLedComponent } from './taet-led.component';
+
+@NgModule({
+  imports: [BrowserModule, MatTabsModule, NoopAnimationsModule],
+  declarations: [
+    AppComponent,
+    AlertComponent,
+    BreakMyComputerComponent,
+    TaetLedComponent
+  ],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.solved.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.solved.html
new file mode 100644
index 000000000..903291b51
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/app.solved.html
@@ -0,0 +1,12 @@
+<h1>Alfred Sisley</h1>
+
+<mat-tab-group #tabs>
+  <mat-tab label="Art works">
+    <div *ngIf="tabs.selectedIndex===0">
+      <img src="../images/sisley/img1.jpeg" alt="" />
+    </div>
+  </mat-tab>
+  <mat-tab label="TBD">
+    <div *ngIf="tabs.selectedIndex===1"><app-alert></app-alert></div>
+  </mat-tab>
+</mat-tab-group>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/break-my-computer.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/break-my-computer.component.ts
new file mode 100644
index 000000000..884e37f1f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/break-my-computer.component.ts
@@ -0,0 +1,14 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'break-my-computer',
+  template: `
+    I'll break your computer
+  `
+})
+export class BreakMyComputerComponent {
+  constructor() {
+    alert('Congratulations! Your computer has been broken successfully!');
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/style.css b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/style.css
new file mode 100644
index 000000000..963ef3a70
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/style.css
@@ -0,0 +1,13 @@
+body,
+html {
+  width: 100%;
+  height: 100%;
+}
+
+body,
+h1,
+p,
+div {
+  font-family: 'Helvetica Neue', sans-serif;
+  font-weight: 300;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/taet-led.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/taet-led.component.ts
new file mode 100644
index 000000000..50d942040
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/material-tabs/taet-led.component.ts
@@ -0,0 +1,18 @@
+import { Component } from '@angular/core';
+
+/* tslint:disable */
+@Component({
+  selector: 'play-terrible-russian-pop-music',
+  template: `
+    <iframe
+      width="560"
+      height="315"
+      src="https://www.youtube.com/embed/i9AHJkHqkpw?t=1m20s&autoplay=1"
+      frameborder="0"
+      allowfullscreen
+    ></iframe>
+  `
+})
+export class TaetLedComponent {
+  constructor() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/code.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/code.ts
new file mode 100644
index 000000000..210a310a4
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/code.ts
@@ -0,0 +1,2 @@
+// Needed for type checking,
+export const app_html = '';
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/ms.spec.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/ms.spec.ts
new file mode 100644
index 000000000..479b71229
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/ms.spec.ts
@@ -0,0 +1,34 @@
+import { parseTemplate } from './ms';
+
+describe('micro-syntax', () => {
+  it('parses ngIF', () => {
+    expect(parseTemplate('<div *ngIf="hero">{{hero.name}}</div>'))
+      .toBe(`<ng-template [ngIf]="hero">
+  <div>{{hero.name}}</div>
+</ng-template>`);
+  });
+
+  it('parses ngIf multi line', () => {
+    expect(
+      parseTemplate(`<div *ngIf="hero">
+  {{hero.name}}
+  </div>`)
+    ).toBe(`<ng-template [ngIf]="hero">
+  <div>
+  {{hero.name}}
+  </div>
+</ng-template>`);
+  });
+
+  xit('parses ngFor', () => {
+    expect(
+      parseTemplate(`<div *ngFor="let x of list">
+  {{hero.name}}
+  </div>`)
+    ).toBe(`<ng-template [ngIf]="hero">
+  <div>
+  {{hero.name}}
+  </div>
+</ng-template>`);
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/ms.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/ms.ts
new file mode 100644
index 000000000..13f7485b9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/micro-syntax/ms.ts
@@ -0,0 +1,17 @@
+import * as code from './code';
+
+export function parseTemplate(template: string) {
+  const x = template.match(
+    /<([^ ]+)\s+\*(\w+)\s*="([^"]+)"\s*>([\s\S]*)<\/\w+>/
+  );
+  if (x) {
+    const [_, tag, directive, value, contents] = x;
+    return `<ng-template [${directive}]="${value}">
+  <${tag}>${contents}</${tag}>
+</ng-template>`;
+  }
+}
+
+const pre = document.createElement('pre');
+document.body.appendChild(pre);
+pre.innerText = parseTemplate(code.app_html);
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/microsyntax.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/microsyntax.html
new file mode 100644
index 000000000..7a3164bf9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/microsyntax.html
@@ -0,0 +1,6 @@
+*:prefix="( :let | :expression ) (';' | ',')? ( :let | :as | :keyExp )*"
+:prefix: HTML attribute key. :key: HTML attribute key. :local: local variable
+name used in the template. :export: value exported by the directive under a
+given name. :experession: standard Angular expression :keyExp = :key ":"?
+:expression ("as" :local)? ";"? :let = "let" :local "=" :export ";"? :as =
+:export "as" :local ";"?
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-for-after.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-for-after.html
new file mode 100644
index 000000000..3a44e0ce6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-for-after.html
@@ -0,0 +1,10 @@
+<ng-template
+  ngFor
+  let-hero
+  [ngForOf]="heroes"
+  let-i="index"
+  let-odd="odd"
+  [ngForTrackBy]="trackById"
+>
+  <div [class.odd]="odd">({{i}}) {{hero.name}}</div>
+</ng-template>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-for-before.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-for-before.html
new file mode 100644
index 000000000..09ca363a8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-for-before.html
@@ -0,0 +1,6 @@
+<div
+  *ngFor="let hero of heroes; let i=index; let odd=odd; trackBy: trackById"
+  [class.odd]="odd"
+>
+  ({{i}}) {{hero.name}}
+</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-if-after.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-if-after.html
new file mode 100644
index 000000000..041b7277b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-if-after.html
@@ -0,0 +1 @@
+<ng-template [ngIf]="hero"> <div>{{hero.name}}</div> </ng-template>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-if-before.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-if-before.html
new file mode 100644
index 000000000..2c86f4c01
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/samples/structural-directives/ng-if-before.html
@@ -0,0 +1 @@
+<div *ngIf="hero">{{hero.name}}</div>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.css
new file mode 100644
index 000000000..6ca715334
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.css
@@ -0,0 +1,78 @@
+#intro .bg {
+  background: #fff;
+  opacity: 0.5;
+  padding: 2vw 5vw;
+  margin: 5vw 0;
+}
+
+#intro h1 {
+  font-size: 10vw;
+}
+
+#intro h2 {
+  font-size: 6vw;
+}
+
+:host /deep/ .slide {
+  background: transparent;
+}
+
+#intro {
+  background: url(./pics/bridge-at-villeneuve-la-garenne-1872.jpg) no-repeat;
+  display: inline-block;
+  height: 100vh;
+}
+
+#we-need-tabs {
+  background: url(./pics/alfred-sisley-9485226-1-402.jpg) no-repeat black;
+  display: inline-block;
+  height: 100vh;
+}
+
+#we-need-tabs h1 {
+  color: #ffffee;
+  font-size: 8vw;
+  background: #000;
+  opacity: 0.5;
+}
+
+:host /deep/ .runner,
+:host /deep/ .runner iframe {
+  display: block;
+  width: 100%;
+  height: 100%;
+}
+
+/* Specificity */
+:host /deep/ .side.side.side {
+  display: block;
+}
+
+.font-size:hover {
+  opacity: 1;
+}
+
+.font-size {
+  display: block;
+  opacity: 0.1;
+  background-color: #eeeeee;
+  border-radius: 50%;
+  font-size: 30px;
+  width: 30px;
+  height: 30px;
+  cursor: pointer;
+  text-align: center;
+}
+
+.twitter {
+  position: absolute;
+  left: 20px;
+  bottom: 20px;
+  color: #400;
+  height: 50px;
+  z-index: 100;
+  font-size: 50px;
+  font-family: Monaco, 'Lucida Console', monospace;
+  opacity: 1;
+  width: auto;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.html
new file mode 100644
index 000000000..adc98650a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.html
@@ -0,0 +1,214 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <div class="twitter">@kirjs</div>
+
+  <div class="btn-bar">
+    <div class="increase-font-size font-size" (click)="updateFontSize(2)">
+      +
+    </div>
+    <div class="decrease-font-size font-size" (click)="updateFontSize(-2)">
+      -
+    </div>
+  </div>
+
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <div *slide id="intro" no-padding>
+    <div class="bg">
+      <h1>Structural directives</h1>
+      <h2>By @kirjs</h2>
+    </div>
+  </div>
+  <div *slide id="we-need-tabs" no-padding><h1>We need tabs</h1></div>
+
+  <div *slide id="intro2" no-padding>
+    <codelab-exercise-playground
+      files="app.component.ts"
+      [exercise]="code.materialTabs"
+    ></codelab-exercise-playground>
+    <!--<slides-exercise [files]="code.materialTabs">-->
+    <!--<div class="description"></div>-->
+    <!--<slides-new-editors class="editor" [fontSize]="fontSize">-->
+    <!--</slides-new-editors>-->
+    <!--<slides-angular-preview-runner class="preview"></slides-angular-preview-runner>-->
+    <!--</slides-exercise>-->
+  </div>
+
+  <div *slide id="bsod" no-padding>
+    <div class="container">
+      <div class="msg" align="center">
+        <p class="highlight">Windows</p>
+        <p>
+          A fatal exception 0E has occured at 028:C00068F8 in VxD VMM(01)
+          000059F8. The current application will be terminated.
+        </p>
+        <p>* Press any key to terminate the application.</p>
+        <p>
+          * Press CTRL+ALT+DEL to restart your computer. You will lose any
+          unsaved information in all aplications.
+        </p>
+        <br />
+        <p class="continue">
+          Press any key to continue <span class="blink">_</span>
+        </p>
+      </div>
+    </div>
+  </div>
+  <div *slide id="bsod-2" no-padding>
+    <div class="alfred-upset"></div>
+    <div class="container">
+      <div class="msg" align="center">
+        <p class="highlight">Windows</p>
+        <p>
+          A fatal exception 0E has occured at 028:C00068F8 in VxD VMM(01)
+          000059F8. The current application will be terminated.
+        </p>
+        <p>* Press any key to terminate the application.</p>
+        <p>
+          * Press CTRL+ALT+DEL to restart your computer. You will lose any
+          unsaved information in all aplications.
+        </p>
+        <br />
+        <p class="continue">
+          Press any key to continue <span class="blink">_</span>
+        </p>
+      </div>
+    </div>
+  </div>
+  <div *slide id="bsod-beautiful" no-padding>
+    <div class="container">
+      <div class="msg" align="center">
+        <p class="highlight">Windows</p>
+        <p>
+          A fatal exception 0E has occured at 028:C00068F8 in VxD VMM(01)
+          000059F8. The current application will be terminated.
+        </p>
+        <p>* Press any key to terminate the application.</p>
+        <p>
+          * Press CTRL+ALT+DEL to restart your computer. You will lose any
+          unsaved information in all aplications.
+        </p>
+        <br />
+        <p class="continue">
+          Press any key to continue <span class="blink">_</span>
+        </p>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="play-with-tabs" no-padding>
+    <!--<slides-exercise [files]="code.materialTabs">-->
+    <!--<div class="description"></div>-->
+    <!--<slides-new-editors [fontSize]="fontSize" class="editor">-->
+    <!--</slides-new-editors>-->
+    <!--<slides-angular-preview-runner class="preview"></slides-angular-preview-runner>-->
+    <!--</slides-exercise>-->
+  </div>
+
+  <div *slide id="structural-directives-ng-if">
+    <h1>Structural directives ngIf</h1>
+    <div>
+      <code-demo-file-path path="before"></code-demo-file-path>
+      <code-demo-editor
+        [fontSize]="fontSize"
+        [minLines]="3"
+        language="html"
+        [(ngModel)]="code.structuralDirectives.ngIfBefore"
+      ></code-demo-editor>
+      <br /><br />
+      <h2>Desugars into</h2>
+      <br /><br />
+      <code-demo-file-path path="after"></code-demo-file-path>
+      <code-demo-editor
+        [fontSize]="fontSize"
+        [minLines]="3"
+        language="html"
+        [(ngModel)]="code.structuralDirectives.ngIfAfter"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="structural-directives-ng-for">
+    <h1>Structural directives ngFor</h1>
+    <div>
+      <code-demo-file-path path="before"></code-demo-file-path>
+      <code-demo-editor
+        [fontSize]="fontSize"
+        [minLines]="3"
+        language="html"
+        [(ngModel)]="code.structuralDirectives.ngForBefore"
+      ></code-demo-editor>
+      <br /><br />
+      <h2>Desugars into</h2>
+      <br /><br />
+      <code-demo-file-path path="after"></code-demo-file-path>
+      <code-demo-editor
+        [fontSize]="fontSize"
+        [minLines]="3"
+        language="html"
+        [(ngModel)]="code.structuralDirectives.ngForAfter"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="structural-directives-microsyntax">
+    <h1>Angular MicroSyntax</h1>
+    <div>
+      <code-demo-file-path path="before"></code-demo-file-path>
+      <code-demo-editor
+        language="text"
+        readonly="false"
+        [fontSize]="fontSize"
+        [minLines]="3"
+        [(ngModel)]="code.structuralDirectives.microSyntax"
+      ></code-demo-editor>
+    </div>
+    <a
+      href="https://gist.github.com/mhevery/d3530294cff2e4a1b3fe15ff75d08855#file-microsyntax-md"
+      >More details</a
+    >
+  </div>
+
+  <div *slide id="play-with-tabs-structural-directive" no-padding>
+    <!--<slides-exercise [files]="code.materialTabsStructuralDirective">-->
+    <!--<div class="description"></div>-->
+    <!--<slides-new-editors class="editor" [fontSize]="fontSize">-->
+    <!--</slides-new-editors>-->
+    <!--<slides-angular-preview-runner class="preview"></slides-angular-preview-runner>-->
+    <!--</slides-exercise>-->
+  </div>
+
+  <div *slide id="mat-tab-nav-bar" no-padding>
+    <!--<slides-exercise [files]="code.mdTabNavBar">-->
+    <!--<slides-new-editors class="editor" [fontSize]="fontSize">-->
+    <!--</slides-new-editors>-->
+    <!--<slides-angular-preview-runner class="preview"></slides-angular-preview-runner>-->
+    <!--</slides-exercise>-->
+  </div>
+
+  <div *slide id="micro-syntax" no-padding>
+    <h1>Russian pop music</h1>
+    <h2>@kirjs</h2>
+    <iframe
+      width="560"
+      height="315"
+      src="https://www.youtube.com/embed/i9AHJkHqkpw"
+      frameborder="0"
+      allowfullscreen
+    ></iframe>
+    <iframe
+      width="560"
+      height="315"
+      src="https://www.youtube.com/embed/et281UHNoOU"
+      frameborder="0"
+      allowfullscreen
+    ></iframe>
+    <iframe
+      width="560"
+      height="315"
+      src="https://www.youtube.com/embed/n3Go8ub9a1k"
+      frameborder="0"
+      allowfullscreen
+    ></iframe>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.ts
new file mode 100644
index 000000000..1d479edd2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.component.ts
@@ -0,0 +1,119 @@
+import { Component } from '@angular/core';
+
+import {
+  bootstrap,
+  builder,
+  exercise,
+  html,
+  stylesheet
+} from '../../../shared/helpers/helpers';
+
+declare const require;
+
+@Component({
+  selector: 'codelab-slides-structural-directives',
+  templateUrl: './structural-directives.component.html',
+  styleUrls: ['./structural-directives.component.css', './bsod.css']
+})
+export class StructuralDirectivesComponent {
+  fontSize = 18;
+
+  code = {
+    materialTabs: {
+      files: [
+        html(
+          'app',
+          require('!!raw-loader!./samples/material-tabs/app.html'),
+          require('!!raw-loader!./samples/material-tabs/app.solved.html')
+        ),
+        exercise(
+          'app.component',
+          require('!!raw-loader!./samples/material-tabs/app.component.ts')
+        ),
+        exercise(
+          'alert.component',
+          require('!!raw-loader!./samples/material-tabs/alert.component.ts')
+        ),
+        exercise(
+          'taet-led.component',
+          require('!!raw-loader!./samples/material-tabs/taet-led.component.ts')
+        ),
+        exercise(
+          'app.module',
+          require('!!raw-loader!./samples/material-tabs/app.module.ts')
+        ),
+        exercise(
+          'break-my-computer.component',
+          require('!!raw-loader!./samples/material-tabs/break-my-computer.component.ts')
+        ),
+        stylesheet(require('!!raw-loader!./samples/material-tabs/style.css')),
+        bootstrap('main', builder.bootstrap())
+      ]
+    },
+    materialTabsStructuralDirective: [
+      html(
+        'app',
+        require('!!raw-loader!./samples/material-tabs-structural-directive/app.html'),
+        require('!!raw-loader!./samples/material-tabs-structural-directive/app.solved.html')
+      ),
+      exercise(
+        'app.component',
+        require('!!raw-loader!./samples/material-tabs-structural-directive/app.component.ts')
+      ),
+      exercise(
+        'hideme.directive',
+        require('!!raw-loader!./samples/material-tabs-structural-directive/hideme.directive.ts'),
+        require('!!raw-loader!./samples/material-tabs-structural-directive/hideme.directive.solved.ts')
+      ),
+      exercise(
+        'alert.component',
+        require('!!raw-loader!./samples/material-tabs-structural-directive/alert.component.ts')
+      ),
+      exercise(
+        'app.module',
+        require('!!raw-loader!./samples/material-tabs-structural-directive/app.module.ts')
+      ),
+      stylesheet(require('!!raw-loader!./samples/material-tabs/style.css')),
+      bootstrap('main', builder.bootstrap())
+    ],
+    microSyntax: [
+      html('app', `<div *ngFor="let x of 122"></div>`),
+      bootstrap('main', require('!!raw-loader!./samples/micro-syntax/ms.ts'))
+    ],
+
+    mdTabNavBar: [
+      exercise(
+        'app.component',
+        require('!!raw-loader!./samples/mat-tab-nav-bar/app.component.ts')
+      ),
+      exercise(
+        'alert.component',
+        require('!!raw-loader!./samples/mat-tab-nav-bar/alert.component.ts')
+      ),
+      exercise(
+        'tab.component',
+        require('!!raw-loader!./samples/mat-tab-nav-bar/tab.component.ts')
+      ),
+      stylesheet(require('!!raw-loader!./samples/material-tabs/style.css')),
+      exercise(
+        'app.module',
+        require('!!raw-loader!./samples/mat-tab-nav-bar/app.module.ts')
+      ),
+      bootstrap('main', builder.bootstrap())
+    ],
+
+    structuralDirectives: {
+      ngIfBefore: require('!!raw-loader!./samples/structural-directives/ng-if-before.html'),
+      ngIfAfter: require('!!raw-loader!./samples/structural-directives/ng-if-after.html'),
+      ngForBefore: require('!!raw-loader!./samples/structural-directives/ng-for-before.html'),
+      ngForAfter: require('!!raw-loader!./samples/structural-directives/ng-for-after.html'),
+      microSyntax: require('!!raw-loader!./samples/structural-directives/microsyntax.html')
+    }
+  };
+
+  constructor() {}
+
+  updateFontSize(diff) {
+    this.fontSize += diff;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.module.ts
new file mode 100644
index 000000000..55c91d5a1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/structural-directives/structural-directives.module.ts
@@ -0,0 +1,28 @@
+import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
+import { RouterModule } from '@angular/router';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { BrowserWindowModule } from '@codelab/browser';
+import { StructuralDirectivesComponent } from './structural-directives.component';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild(
+  SlidesRoutes.get(StructuralDirectivesComponent)
+);
+
+@NgModule({
+  imports: [
+    routes,
+    CodeDemoModule,
+    BrowserWindowModule,
+    FeedbackModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  declarations: [StructuralDirectivesComponent],
+  exports: [StructuralDirectivesComponent]
+})
+export class StructuralDirectivesModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.component.html
new file mode 100644
index 000000000..1da59a747
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.component.html
@@ -0,0 +1,15 @@
+<h1>Here we bind value of the input to the name property</h1>
+<input [value]="name" />
+
+<h1>A shortcut applying (or not) class name based on the value of isSpecial</h1>
+<div [class.special]="isSpecial">
+  Wow, I'm special!
+</div>
+
+<h1>Shortcut for binding styles</h1>
+<button [style.color]="isSpecial ? 'green' : 'gray'">
+  special button
+</button>
+
+<h1>It also works with custom components</h1>
+<number-praiser [number]="343"></number-praiser>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.component.ts
new file mode 100644
index 000000000..6f0c94b18
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.component.html'
+})
+export class AppComponent {
+  readonly name = 'Camille Pissarro';
+  isSpecial = true;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.module.ts
new file mode 100644
index 000000000..b28bfb723
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/app.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { BirthdayCardComponent } from './number-praiser';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent, BirthdayCardComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/index.html b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/index.html
new file mode 100644
index 000000000..22bea202e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/index.html
@@ -0,0 +1,39 @@
+<!DOCTYPE >
+<style>
+  .special {
+    background-color: #00c212;
+    color: white;
+    padding: 10px;
+  }
+
+  h2 {
+    font-family: 'Helvetica Neue', sans-serif;
+    font-size: 16px;
+    font-weight: 300;
+    background: #ddd;
+    border: 1px #444 solid;
+    padding: 20px;
+    border-radius: 4px;
+  }
+
+  h1 {
+    margin-top: 20px;
+    margin-bottom: 8px;
+    font-family: 'Helvetica Neue', sans-serif;
+    font-size: 18px;
+    font-weight: 300;
+    border-top: 1px #ddd solid;
+    padding-top: 20px;
+  }
+
+  h1:first-child {
+    border-top: 0;
+    padding-top: 0;
+  }
+</style>
+
+<body>
+  <my-app>
+    Loading...
+  </my-app>
+</body>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/number-praiser.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/number-praiser.ts
new file mode 100644
index 000000000..87ca40560
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/data-binding-extra/number-praiser.ts
@@ -0,0 +1,14 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: 'number-praiser',
+  template: `
+    <h2 style="background: #fdf700">
+      🎈 {{ number }} &nbsp; 🎈 What an amazing number!!! 🎖
+    </h2>
+  `
+})
+export class BirthdayCardComponent {
+  @Input() number = 0;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding-shortcuts/app.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding-shortcuts/app.component.html
new file mode 100644
index 000000000..98cf49139
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding-shortcuts/app.component.html
@@ -0,0 +1,10 @@
+<h2>Message: {{ message }}</h2>
+
+<input
+  #input
+  (keydown.control.enter)="message = input.value; input.value = ''"
+/>
+
+<button (click)="message = input.value; input.value = ''">
+  Update message
+</button>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.component.html
new file mode 100644
index 000000000..8b246f8d3
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.component.html
@@ -0,0 +1,3 @@
+<h2>Message: {{ message }}</h2>
+
+<button (click)="message = 'hello'">Update version</button>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.component.ts
new file mode 100644
index 000000000..86499ce4d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.component.ts
@@ -0,0 +1,9 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.component.html'
+})
+export class AppComponent {
+  message = 'no message';
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.module.ts
new file mode 100644
index 000000000..60e193df9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/event-binding/app.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { AppComponent } from './app.component';
+
+// Useless app module to prevent angular from complaining
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.component.html
new file mode 100644
index 000000000..e6f391dd4
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.component.html
@@ -0,0 +1,7 @@
+<h2>Message: {{ message }}</h2>
+
+<input #input />
+
+<button (click)="message = input.value; input.value = ''">
+  Update message
+</button>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.component.ts
new file mode 100644
index 000000000..eeefa2679
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.component.ts
@@ -0,0 +1,9 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  templateUrl: './app.component.html'
+})
+export class AppComponent {
+  message = 'No message';
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.module.ts
new file mode 100644
index 000000000..60e193df9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/samples/reference-binding/app.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { AppComponent } from './app.component';
+
+// Useless app module to prevent angular from complaining
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/libs/utils/src/lib/sync/components/poll/sync-poll-presenter/leaderboard/leaderboard.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/poll/sync-poll-presenter/leaderboard/leaderboard.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.html
new file mode 100644
index 000000000..d23046841
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.html
@@ -0,0 +1,391 @@
+<div #translations style="display: none">
+  <div i18n="@@thisIsValidHTML" id="thisIsValidHTML">
+    This is valid HTML syntax.
+  </div>
+  <div i18n="@@worksOnAttributeSyntax" id="worksOnAttributeSyntax">
+    It works on attribute syntax.
+  </div>
+  <div
+    i18n="@@allowsToConditionallyBindClass"
+    id="allowsToConditionallyBindClass"
+  >
+    It allows to conditionally bind a class
+  </div>
+  <div i18n="@@orStyleProps" id="orStyleProps">Or style properties</div>
+  <div i18n="@@worksWithCustomComponents" id="worksWithCustomComponents">
+    And works with custom components!
+  </div>
+  <div
+    i18n="@@whenUserClicksItCallsSaveUser"
+    id="whenUserClicksItCallsSaveUser"
+  >
+    When user clicks the button, it calls the "saveUser" function on the
+    component instance and passes the underlying event.
+  </div>
+  <div
+    i18n="@@youCanAlsoCreateEventsForCustomComponents"
+    id="youCanAlsoCreateEventsForCustomComponents"
+  >
+    You can also create events for custom components. Here we have a depleted
+    event, and it's going to call the "soundAlarm" function on the component
+    instance when it fires.
+  </div>
+  <div
+    i18n="@@thereAreShortcutEventBindings"
+    id="thereAreShortcutEventBindings"
+  >
+    There are also shortcut event bindings! The submit function on the component
+    instance will be called when the user presses control and enter (this is an
+    Angular feature).
+  </div>
+  <div i18n="@@userNameHasRefToInput" id="userNameHasRefToInput">
+    userName has a reference to the input element
+  </div>
+  <div i18n="@@tryChangingToTrue" id="tryChangingToTrue">
+    Try changing to true!
+  </div>
+  <div i18n="@@needToRepeatPuppiesHere" id="needToRepeatPuppiesHere">
+    Need to repeat puppies here
+  </div>
+  <div i18n="@@addVideosProperty" id="addVideosProperty">
+    app.component.ts: Add a 'videos' property, set the value as empty array.
+  </div>
+  <div i18n="@@assignFakeVideosToComponent" id="assignFakeVideosToComponent">
+    app.component.ts: Inside of the 'search' method assign FAKE_VIDEOS, to the
+    component 'videos' property.
+  </div>
+  <div i18n="@@addH1HeaderWithATitle" id="addH1HeaderWithATitle">
+    app.html: Add an H1 header, display the 'title' property of the AppComponent
+    inside
+  </div>
+
+  <div i18n="@@addSearchMethodOnComponent" id="addSearchMethodOnComponent">
+    app.component.ts: Add a 'search' method on the component, that takes a
+    'searchString' parameter.
+  </div>
+  <div
+    i18n="@@addClickHandlerToButtonCallSearch"
+    id="addClickHandlerToButtonCallSearch"
+  >
+    app.html: Add a click handler to the button, call 'search' method and pass
+    the input value (Actual search functionality will be implemented in the next
+    exercise)
+  </div>
+  <div i18n="@@addMessageNoVideos" id="addMessageNoVideos">
+    app.html: Add a message saying 'no videos' which is displayed only when the
+    videos array is empty
+  </div>
+
+  <div
+    i18n="@@bonusDisplayAllVideosByDefault"
+    id="bonusDisplayAllVideosByDefault"
+  >
+    #Bonus app.component.ts: Right now it takes pressing a search button to
+    display the videos. Instead display all videos by default.
+  </div>
+  <div
+    i18n="@@insideSearchMethodFilterFakeVideos"
+    id="insideSearchMethodFilterFakeVideos"
+  >
+    app.component.ts: Inside of the 'search' method filter FAKE_VIDEOS and only
+    return videos with the title containing searchString. (hint: use .includes
+    or .indexOf string methods)
+  </div>
+  <div i18n="@@alsoDisplayThumbnail" id="alsoDisplayThumbnail">
+    app.html: Also display a thumbnail
+  </div>
+  <div
+    i18n="@@IterateWithNgForAndDisplayTitle"
+    id="IterateWithNgForAndDisplayTitle"
+  >
+    app.html: Iterate over the videos using '*ngFor', and display a title for
+    each
+  </div>
+
+  <div i18n="@@addButtonWithtextSearch" id="addButtonWithtextSearch">
+    app.html: Add a button tag with a text 'search'
+  </div>
+  <div i18n="@@addInputWithPlaceholderVideo" id="addInputWithPlaceholderVideo">
+    app.html: Add an input tag with a 'placeholder' attribute set to 'video'
+  </div>
+</div>
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+  <slide-arrows></slide-arrows>
+
+  <!--  INTRO -->
+  <div *slide id="intro" no-padding>
+    <codelab-title-slide
+      title="Templates"
+      i18n-title="@@templates"
+      description="Learn more about Angular templates!"
+      i18n-description
+      prereqs=""
+    ></codelab-title-slide>
+  </div>
+
+  <!--  COMPONENT -->
+  <div *slide id="component" milestone="Templates">
+    <codelab-breadcrumb i18n>Intro</codelab-breadcrumb>
+    <h2 i18n>
+      Angular has a very expressive template system, which takes HTML as a base,
+      and extends it with custom elements
+    </h2>
+    <codelab-exercise-playground
+      [highlights]="code.template.matches.template"
+      [exercise]="code.template.intro"
+    ></codelab-exercise-playground>
+  </div>
+
+  <!--  INTERPOLATION-->
+  <div *slide id="interpolation" milestone="Templates">
+    <codelab-breadcrumb i18n>Interpolation</codelab-breadcrumb>
+    <h2 i18n>
+      Double curlies include the appropriate component property value
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.template.interpolation"
+      [highlights]="code.template.matches.curlies"
+    ></codelab-exercise-playground>
+    <div class="info" milestone="Templates" style="margin-top: -8px;" i18n>
+      Backticks <b>` `</b>, are magic quotes that allow multi-line strings and
+      text interpolation.
+    </div>
+  </div>
+
+  <!--INTERPOLATION-METHOD-->
+  <div *slide id="interpolation-method" milestone="Templates">
+    <codelab-breadcrumb i18n>Interpolation</codelab-breadcrumb>
+    <h2 i18n>
+      Simple expressions are also allowed, you can run a component method (like
+      fullName() below), or calculate <code>323213+34234</code>
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.template.interpolationMethod"
+      [highlights]="code.template.matches.curliesFullName"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="exercise-pre" milestone="Templates">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide you'll edit a component template to create a simple
+      header and search form. The result will look like this:
+    </h2>
+
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercises[0]"
+    ></codelab-exercise-preview>
+  </div>
+
+  <div *slide id="exercise" no-padding>
+    <codelab-exercise
+      milestone="Templates"
+      [translations]="t"
+      [exercise]="exercises[0]"
+    >
+    </codelab-exercise>
+  </div>
+
+  <!--  PRE DATA BINDING-->
+  <div *slide id="data-binding-pre" milestone="Templates2">
+    <codelab-breadcrumb i18n>Properties</codelab-breadcrumb>
+    <h2 i18n>
+      String interpolation <b>{{ curlies }}</b> can also be used to pass a value
+      to a child element's attribute
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.template.dataBindingPre"
+      [highlights]="code.template.matches.curliesAttribute"
+    ></codelab-exercise-playground>
+  </div>
+
+  <!--  DATA BINDING  -->
+  <div *slide id="data-binding" milestone="Templates2">
+    <codelab-breadcrumb i18n>Property Binding</codelab-breadcrumb>
+    <h2 i18n>
+      Better option is to use property binding <b>[attribute] = property</b>
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.template.dataBinding"
+      [highlights]="code.template.matches.squares"
+    ></codelab-exercise-playground>
+    <div class="info" style="margin-top: -10px; z-index: 2;" i18n>
+      You can use arbitrary expressions in the binding.
+    </div>
+  </div>
+
+  <!--  DATA BINDING EXTRAS-->
+  <div *slide id="data-binding-extras" milestone="Templates2">
+    <codelab-breadcrumb i18n>Data binding extras</codelab-breadcrumb>
+    <h2 i18n>
+      Angular supports more advanced property bindings than just attribute name
+    </h2>
+    <code-demo
+      [files]="code.template.dataBindingExtra.files"
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.template.dataBindingExtra.code"
+    ></code-demo>
+  </div>
+
+  <div *slide id="event-binding" milestone="Templates2">
+    <codelab-breadcrumb i18n>Event binding: (event)</codelab-breadcrumb>
+    <h2 i18n>
+      For handling user actions we can use event bindings. To do that we wrap
+      the event name in parentheses, and pass an expression performing required
+      action:
+    </h2>
+    <code-demo
+      [files]="code.eventBinding.files"
+      [highlights]="code.eventBinding.highlights"
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.eventBinding.code"
+    ></code-demo>
+    <div class="info" i18n>
+      While parentheses are used for event binding: <b>(event)</b>, "on-" can
+      also be used, e.g. <b>on-click</b> is the same as <b>(click)</b>.
+    </div>
+  </div>
+
+  <div *slide id="reference-bindings" milestone="Templates2">
+    <codelab-breadcrumb i18n>Event binding shortcuts</codelab-breadcrumb>
+    <h2 i18n>
+      When we need to access an HTML element or an Angular component from the
+      template, we can mark it with <b>#name</b>, and it becomes available as
+      <b>name</b> everywhere in the template:
+    </h2>
+    <code-demo
+      [files]="code.referenceBinding.files"
+      [highlights]="code.referenceBinding.highlights"
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.referenceBinding.code"
+    ></code-demo>
+    <div class="info" i18n>
+      We'll learn a better way to work with inputs in Forms milestone.
+    </div>
+  </div>
+
+  <div *slide id="event-binding-shortcuts" milestone="Templates2">
+    <codelab-breadcrumb i18n>Event binding shortcuts</codelab-breadcrumb>
+    <h2 i18n>
+      Angular also provides a shortcut for handling keyboard shortcuts. Try
+      updating the message by pressing Control + Enter in the input.
+    </h2>
+    <code-demo
+      [files]="code.eventBindingShortcuts.files"
+      [highlights]="code.eventBindingShortcuts.highlights"
+      [allowSwitchingFiles]="false"
+      [(ngModel)]="code.eventBindingShortcuts.code"
+    ></code-demo>
+  </div>
+
+  <!--  CONDITIONAL DISPLAY-->
+  <div *slide id="conditional-display-ngif" milestone="Templates2">
+    <codelab-breadcrumb i18n>Conditional Display (*ngIf)</codelab-breadcrumb>
+    <h2 i18n>
+      This conditional expression will add or remove an element from the DOM if
+      it evaluates as a truthy
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.ngIfDirective.template"
+      [highlights]="code.ngIfDirective.matches.ngIf"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="exercise-2-pre" milestone="Templates2">
+    <codelab-breadcrumb i18n>Exercise 2</codelab-breadcrumb>
+    <h2 i18n>
+      In the next slide you'll add a click handler to the search button, and
+      display a message for the case where no videos were found. The result will
+      look like this:
+    </h2>
+
+    <codelab-exercise-preview
+      column-5
+      [exercise]="exercises[1]"
+    ></codelab-exercise-preview>
+  </div>
+
+  <div *slide id="exercise-2" no-padding>
+    <codelab-exercise
+      milestone="Templates2"
+      [translations]="t"
+      [exercise]="exercises[1]"
+    >
+    </codelab-exercise>
+  </div>
+
+  <div *slide id="repeating" milestone="Templates3">
+    <codelab-breadcrumb i18n>Repeating elements</codelab-breadcrumb>
+    <h2 i18n>
+      Let's say you have an array of puppies, and want to display all of them on
+      the page. Angular has a special syntax for that called <b>*ngFor</b>,
+      let's see how it works on the next slide
+    </h2>
+    <codelab-exercise-playground
+      [exercise]="code.ngForDirectivePre.template"
+      [highlights]="code.ngForDirectivePre.matches"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="conditional-display-ngfor" milestone="Templates3">
+    <codelab-breadcrumb i18n>Repeating elements (*ngFor)</codelab-breadcrumb>
+    <h2 i18n>
+      Here <b>*ngFor</b> repeats HTML element it's attached to (li in this case)
+      for every single puppy in the puppies array
+    </h2>
+    <codelab-exercise-playground
+      #forExercise
+      [exercise]="code.ngForDirective.template"
+      [highlights]="code.ngForDirective.matches.ngFor"
+    ></codelab-exercise-playground>
+    <div class="info mt-60" i18n>
+      HTML attributes in <b>Angular</b> are case sensitive:
+      <b><s>*ngfor</s></b> won't work, <b>*ngFor</b> will
+    </div>
+  </div>
+
+  <div *slide id="exercise-3-pre" milestone="Templates3">
+    <codelab-breadcrumb i18n>Exercise 3</codelab-breadcrumb>
+    <div flex style="height: 100%;">
+      <div column-5>
+        <h2 i18n>
+          In the next slide you'll finally display the videos! The result will
+          look like this:
+        </h2>
+      </div>
+      <codelab-exercise-preview
+        column-5
+        [exercise]="exercises[2]"
+      ></codelab-exercise-preview>
+    </div>
+  </div>
+
+  <div *slide id="exercise-3" no-padding>
+    <codelab-exercise
+      [translations]="t"
+      [exercise]="exercises[2]"
+      milestone="Templates3"
+    >
+    </codelab-exercise>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <codelab-breadcrumb i18n>Milestone Completed</codelab-breadcrumb>
+      </div>
+      <div class="body" body></div>
+      <div class="footer" footer>
+        <h2>
+          <ng-container i18n>Next:</ng-container>
+          <a routerLink="../../dependency-injection/0" i18n>
+            Learn how to use Angular Dependency Injection
+          </a>
+        </h2>
+        <feedback-rating lesson="AngularTemplates"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.ts
new file mode 100644
index 000000000..dcaf69710
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.component.ts
@@ -0,0 +1,270 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+import { ng2tsConfig } from '../../../../../../../ng2ts/ng2ts';
+import {
+  displayAngularComponent,
+  displayAngularComponentWithHtml
+} from '../../../shared/helpers/helpers';
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+
+declare const require;
+
+const baseCode = 'TODO';
+
+@Component({
+  selector: 'codelab-slides-templates',
+  templateUrl: './templates.component.html',
+  styleUrls: ['./templates.component.css']
+})
+export class TemplatesComponent implements OnInit {
+  t: { [key: string]: string };
+  exercises = [
+    ng2tsConfig.milestones[2].exercises[1],
+    ng2tsConfig.milestones[2].exercises[2],
+    ng2tsConfig.milestones[2].exercises[3]
+  ];
+  curlies = '{{ property }}';
+
+  // TODO(kirjs): we can't access tanslation in OnInit hook iwht static set to false
+  // need to consider changing how we set code
+  @ViewChild('translations', { static: true }) translation;
+  code: any = {};
+
+  constructor() {}
+
+  ngOnInit() {
+    this.t = extractMessages(this.translation);
+
+    this.code = {
+      template: {
+        intro: displayAngularComponent(`import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: '<h1>Hello World!</h1>'
+})
+export class AppComponent {
+}`),
+
+        matches: {
+          curlies: { 'app.component.ts': [/{{.*}}/, /firstName = .*/] },
+          curliesFullName: { 'app.component.ts': [/{{.*}}/, /fullName\(\){/] },
+          curliesAttribute: { 'app.component.ts': [/"{{.*}}"/, /avatar = .*/] },
+          template: { 'app.component.ts': /<h1>.*<\/h1>/ },
+          squares: { 'app.component.ts': /\[.*]/ }
+        },
+        interpolation: displayAngularComponent(
+          `import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>
+    Hello {{firstName}}!
+    </h1>\`
+})
+export class AppComponent {
+  firstName = 'Pierre-Auguste';
+  lastName = 'Renoir';
+}`,
+          ''
+        ),
+        interpolationMethod: displayAngularComponent(`import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Hello {{fullName()}}!</h1>\`
+})
+export class AppComponent {
+  firstName = 'Pierre-Auguste';
+  lastName = 'Renoir';
+  fullName(){
+     return this.firstName + " " + this.lastName
+  }
+}`),
+        dataBindingPre: displayAngularComponent(`import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Hello {{fullName()}}!</h1>
+    <img src="{{avatar}}">
+  \`
+})
+export class AppComponent {
+  firstName = 'Pierre-Auguste';
+  lastName = 'Renoir';
+  avatar = 'assets/images/renoir.jpg';
+  fullName(){  return this.firstName + " " + this.lastName }
+}`),
+        dataBinding: displayAngularComponent(`import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Hello {{fullName()}}!</h1>
+    <img [src]="avatar">
+  \`
+})
+export class AppComponent {
+  firstName = 'Pierre-Auguste';
+  lastName = 'Renoir';
+  avatar = 'assets/images/renoir.jpg';
+  fullName(){  return this.firstName + " " + this.lastName }
+}`),
+        dataBindingExtra: {
+          code: {
+            'app.component.html': require('!!raw-loader!./samples/data-binding-extra/app.component.html'),
+            'app.component.ts': require('!!raw-loader!./samples/data-binding-extra/app.component.ts'),
+            'bootstrap.ts': require('!!raw-loader!./../../../shared/angular-code/bootstrap.ts'),
+            'app.module.ts': require('!!raw-loader!./samples/data-binding-extra/app.module.ts'),
+            'number-praiser.ts': require('!!raw-loader!./samples/data-binding-extra/number-praiser.ts'),
+            'index.html': require('!!raw-loader!./samples/data-binding-extra/index.html')
+          },
+          files: ['app.component.html', 'app.component.ts']
+        }
+      },
+      ngIfDirective: {
+        template: displayAngularComponent(`import {Component} from '@angular/core';
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Hello {{firstName}}!</h1>
+    <img src="{{avatar}}" *ngIf="onDisplay()">
+  \`
+})
+export class AppComponent {
+  firstName = 'Pierre-Auguste';
+  avatar = 'assets/images/renoir.jpg';
+  onDisplay(){  return false } // ${this.t.tryChangingToTrue}
+}`),
+        matches: {
+          ngIf: { 'app.component.ts': /\*ngIf/ }
+        }
+      },
+      ngForDirectivePre: {
+        template: displayAngularComponent(`import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Puppies names:</h1>
+    ??? <!-- ${this.t.needToRepeatPuppiesHere} -->
+  \`
+})
+export class AppComponent {
+  puppies = ['Schumann', 'Mendelssohn', 'Bach'];
+}`),
+        matches: { 'app.component.ts': ['???', /puppies.*;/] }
+      },
+      ngForDirective: {
+        template: displayAngularComponent(
+          `import {Component} from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Puppies names:</h1>
+  <ul>
+    <li *ngFor="let puppy of puppies">
+      {{puppy}}
+    </li>
+  </ul>
+  \`
+})
+export class AppComponent {
+  puppies = ['Schumann', 'Mendelssohn', 'Bach'];
+}`,
+          `
+import {AppComponent} from './app.component';
+
+describe('AppComponent', ()=>{
+  it('Add one more puppy to the list', ()=>{
+    const app = new AppComponent();
+    chai.expect(app.puppies.length).equals(4);
+  })
+})
+
+`
+        ),
+        matches: {
+          ngFor: { 'app.component.ts': '*ngFor' }
+        }
+      },
+
+      templateInterpolation: `
+      <!-- Use property value from person object from component instance. -->
+      <h2>Profile for {{person.name}}</h2>
+
+      <!-- Use method on person object from component instance. -->
+      <h2>Profile for {{person.getBiography()}}</h2>
+
+      <!-- Use property on person object from component instance. -->
+      <img src="{{person.pic}}" alt="Photo of {{person.name}}">
+    `,
+      templateInterpolationMatch: /{{person.name}}/,
+      templateInterpolationExercise: displayAngularComponentWithHtml(
+        baseCode,
+        `<h1>Hello, {{user.firstName}}</h1>`
+      ),
+      templateInterpolationExerciseMatch: /user.firstName/,
+      bindingPropMatch: /person.photoUrl/,
+      bindingPropExercise: displayAngularComponentWithHtml(
+        baseCode,
+        `<h1 [innerText]="user.fullName()"></h1>`
+      ),
+      bindingPropExerciseMatch: /user.pic/,
+      eventBinding: {
+        code: {
+          'app.component.html': require('!!raw-loader!./samples/event-binding/app.component.html'),
+          'app.component.ts': require('!!raw-loader!./samples/event-binding/app.component.ts'),
+          'bootstrap.ts': require('!!raw-loader!./../../../shared/angular-code/bootstrap.ts'),
+          'app.module.ts': require('!!raw-loader!./../../../shared/angular-code/app.module.ts'),
+          'index.html': require('!!raw-loader!./../../../shared/angular-code/index.html')
+        },
+        files: ['app.component.html'],
+        highlights: { 'app.component.html': '(click)' }
+      },
+      referenceBinding: {
+        code: {
+          'app.component.html': require('!!raw-loader!./samples/reference-binding/app.component.html'),
+          'app.component.ts': require('!!raw-loader!./samples/reference-binding/app.component.ts'),
+          'bootstrap.ts': require('!!raw-loader!./../../../shared/angular-code/bootstrap.ts'),
+          'app.module.ts': require('!!raw-loader!./../../../shared/angular-code/app.module.ts'),
+          'index.html': require('!!raw-loader!./../../../shared/angular-code/index.html')
+        },
+        files: ['app.component.html'],
+        highlights: { 'app.component.html': ['#input', 'input.value'] }
+      },
+      eventBindingShortcuts: {
+        code: {
+          'app.component.html': require('!!raw-loader!./samples/event-binding-shortcuts/app.component.html'),
+          'app.component.ts': require('!!raw-loader!./samples/reference-binding/app.component.ts'),
+          'bootstrap.ts': require('!!raw-loader!./../../../shared/angular-code/bootstrap.ts'),
+          'app.module.ts': require('!!raw-loader!./../../../shared/angular-code/app.module.ts'),
+          'index.html': require('!!raw-loader!./../../../shared/angular-code/index.html')
+        },
+        files: ['app.component.html'],
+        highlights: { 'app.component.html': '(keydown.control.enter)' }
+      },
+
+      eventBindingExercise: displayAngularComponentWithHtml(
+        baseCode,
+        `<!--Type your template here onButtonClick -->`
+      ),
+      conditionalDisplay: `<!-- ngIf conditionally toggles the visibility of a section of the UI. -->
+<section *ngIf="showSection">Howdy!</section>
+<!-- The '*' means this directive alters the component tree's structure. -->
+<!-- Note also that *ngIf is case-sensitive! -->
+`,
+      conditionalDisplayMatch: /ngIf/,
+      conditionalDisplayExercise: displayAngularComponentWithHtml(
+        baseCode,
+        `<!--Type your template here displayUser -->`
+      ),
+      conditionalDisplayFor: `<ul>
+  <li *ngFor="let puppy of puppies">
+    {{puppy.name}}
+  </li>
+</ul>`,
+      conditionalDisplayForMatch: /ngFor/,
+      conditionalDisplayForExercise: displayAngularComponentWithHtml(
+        baseCode,
+        `<!--Type your template here heros -->`
+      )
+    };
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.module.ts
new file mode 100644
index 000000000..d7152ccef
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/templates/templates.module.ts
@@ -0,0 +1,24 @@
+import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
+import { RouterModule } from '@angular/router';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { TemplatesComponent } from './templates.component';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild([...SlidesRoutes.get(TemplatesComponent)]);
+
+@NgModule({
+  imports: [
+    routes,
+    CodeDemoModule,
+    FeedbackModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    FormsModule
+  ],
+  declarations: [TemplatesComponent],
+  exports: [TemplatesComponent]
+})
+export class TemplatesModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript-routing.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript-routing.module.ts
new file mode 100644
index 000000000..c24c37711
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript-routing.module.ts
@@ -0,0 +1,27 @@
+import { Component, NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { SlidesRoutes } from '@ng360/slides';
+import { TypeScriptComponent } from './typescript/typescript.component';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: 'ignored',
+  template: '<router-outlet></router-outlet>'
+})
+export class EmptyTypeScriptComponent {}
+
+const routes = [
+  {
+    path: '',
+    component: EmptyTypeScriptComponent,
+    children: [...SlidesRoutes.get(TypeScriptComponent)]
+  }
+];
+
+@NgModule({
+  declarations: [EmptyTypeScriptComponent],
+  entryComponents: [EmptyTypeScriptComponent],
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+export class TypeScriptRoutingModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript.module.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript.module.ts
new file mode 100644
index 000000000..4a5b5c5bc
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { TypeScriptComponent } from './typescript/typescript.component';
+import { TypeScriptRoutingModule } from './typescript-routing.module';
+import { TypeScriptSvgComponent } from './typescript/typescript-svg/typescript-svg.component';
+import { SharedModule } from '../../../shared/shared.module';
+
+@NgModule({
+  declarations: [TypeScriptComponent, TypeScriptSvgComponent],
+  imports: [SharedModule, TypeScriptRoutingModule]
+})
+export class TypeScriptModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/app.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/app.ts
new file mode 100644
index 000000000..777c5d604
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/app.ts
@@ -0,0 +1 @@
+export const value = { value: 4 };
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/code.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/code.ts
new file mode 100644
index 000000000..99e2b9d86
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/code.ts
@@ -0,0 +1,3 @@
+export { ts } from '../../../../../../../../../ng2ts/code';
+
+export const app_ts_AST = {};
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/mini-exercise-test.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/mini-exercise-test.ts
new file mode 100644
index 000000000..ddcf0f9cb
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/code/mini-exercise-test.ts
@@ -0,0 +1,39 @@
+import { value } from './app';
+import { app_ts_AST, ts } from './code';
+
+declare const it, describe;
+
+function getFunctionNode(code) {
+  let functionNode;
+
+  /**
+   * Fancy: Require the actual source code, and search in it.
+   */
+  function findFunctionNode(node) {
+    if (
+      node.kind === ts.SyntaxKind.FunctionDeclaration &&
+      node.name.text === 'add'
+    ) {
+      functionNode = node;
+    }
+    ts.forEachChild(node, findFunctionNode);
+  }
+
+  findFunctionNode(code);
+  return functionNode;
+}
+
+describe('value', () => {
+  it(`@@specifyTheTypeForB`, () => {
+    const func = getFunctionNode(app_ts_AST);
+    chai.assert(
+      func.parameters[1].type &&
+        func.parameters[1].type.kind === ts.SyntaxKind.NumberKeyword,
+      'Test failed: b is not a number'
+    );
+  });
+
+  it(`@@typescriptHighlightsErrorFix224`, () => {
+    chai.expect(value.value).equals(4);
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html
new file mode 100644
index 000000000..38e8fbd02
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html
@@ -0,0 +1,164 @@
+<svg
+  width="460"
+  height="460"
+  xmlns="http://www.w3.org/2000/svg"
+  style="margin:0 auto;"
+>
+  <g>
+    <ellipse
+      stroke="#000"
+      ry="227.013155"
+      rx="229.499997"
+      cy="227.986845"
+      cx="228.999988"
+      st
+      roke-width="1.5"
+      fill="#09bcd3"
+    ></ellipse>
+    <ellipse
+      stroke="#000"
+      ry="120.786392"
+      rx="125.000014"
+      cy="314.213608"
+      cx="286.499992"
+      stroke-width="1.5"
+      fill="#b060b0"
+    ></ellipse>
+    <ellipse
+      stroke="#000"
+      ry="57.866101"
+      rx="58.500002"
+      cy="356.133899"
+      cx="335"
+      stroke-width="1.5"
+      fill="#7baaf7"
+    ></ellipse>
+    <text
+      stroke="#000"
+      transform="matrix(13.140515327453613,0,0,2.8643743991851807,-3943.7705259025097,-461.11222444847226) "
+      font-size="24"
+      y="272"
+      x="342.016307"
+      fill-opacity="null"
+      stroke-opacity="null"
+      stroke-width="0"
+      fill="#000000"
+    ></text>
+    <text
+      stroke="#000"
+      transform="matrix(18.086650848388672,0,0,3.8073328758437137,-6947.660337984561,-421.3642402462918) "
+      font-size="24"
+      y="162"
+      x="393.328125"
+      stroke-opacity="null"
+      stroke-width="0"
+      fill="#000000"
+    ></text>
+    <text
+      font-size="24"
+      y="129"
+      x="84.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+      i18n
+    >
+      ES7
+    </text>
+    <text
+      font-size="24"
+      y="173"
+      x="83.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+      i18n
+    >
+      Decorators
+    </text>
+    <text
+      font-size="24"
+      y="214.593269"
+      x="83.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+      i18n
+    >
+      Types
+    </text>
+    <text
+      font-size="33"
+      y="81"
+      x="83.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+      i18n
+    >
+      TypeScript
+    </text>
+    <text
+      font-size="20"
+      y="293"
+      x="188.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+      i18n
+    >
+      Classes
+    </text>
+    <text
+      font-size="20"
+      y="315"
+      x="188.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+      i18n
+    >
+      Modules
+    </text>
+    <text
+      font-size="20"
+      y="339.593269"
+      x="189.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+      i18n
+    >
+      More...
+    </text>
+    <text
+      font-size="25"
+      y="262"
+      x="188.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+    >
+      ES6
+    </text>
+    <text
+      font-size="33"
+      y="371"
+      x="306.5"
+      stroke-opacity="null"
+      stroke-width="0"
+      stroke="#000"
+      fill="#000000"
+    >
+      ES5
+    </text>
+  </g>
+</svg>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.spec.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.spec.ts
new file mode 100644
index 000000000..22e425248
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TypeScriptSvgComponent } from './typescript-svg.component';
+
+describe('TypeScriptSvgComponent', () => {
+  let component: TypeScriptSvgComponent;
+  let fixture: ComponentFixture<TypeScriptSvgComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [TypeScriptSvgComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TypeScriptSvgComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.ts
new file mode 100644
index 000000000..44cecc704
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.ts
@@ -0,0 +1,11 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-typescript-svg',
+  templateUrl: './typescript-svg.component.html'
+})
+export class TypeScriptSvgComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/libs/utils/src/lib/sync/components/questions/common/question-list/question-list.component.css b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/questions/common/question-list/question-list.component.css
rename to codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.css
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.html b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.html
new file mode 100644
index 000000000..52dc91ec7
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.html
@@ -0,0 +1,471 @@
+<div #translations style="display: none" codelabBreadcrumbParent="TypeScript">
+  <div i18n="@@shorthandFunction" id="shorthandFunction">
+    Or use shorthand function notation.
+  </div>
+  <div i18n="@@errorNotAPuppy" id="errorNotAPuppy">
+    Error: this is clearly not a puppy
+  </div>
+  <div i18n="@@thisIsNumber" id="thisIsNumber">This is a number</div>
+  <div i18n="@@useShorthandNotation" id="useShorthandNotation">
+    Or use shorthand function notation.
+  </div>
+  <div i18n="@@calledArrowFunction" id="calledArrowFunction">
+    (Also called arrow function)
+  </div>
+  <div i18n="@@typescriptCanInferNumber" id="typescriptCanInferNumber">
+    Actually TypeScript can infer number here;
+  </div>
+  <div i18n="@@typescriptCanInferString" id="typescriptCanInferString">
+    TypeScript can infer it's a string.
+  </div>
+  <div i18n="@@cantAddNumAndBool" id="cantAddNumAndBool">
+    Can't add number and boolean
+  </div>
+  <div i18n="@@cantSliceNum" id="cantSliceNum">Can't slice a number</div>
+  <div i18n="@@canSliceString" id="canSliceString">But can slice a string!</div>
+  <div i18n="@@works" id="works">Works!</div>
+  <div i18n="@@typeDoesSameThing" id="typeDoesSameThing">
+    Type[] does the same thing.
+  </div>
+  <div i18n="@@thisIsMethod" id="thisIsMethod">This is a method.</div>
+  <div i18n="@@commonDogName" id="commonDogName">
+    This a common russian dog name.
+  </div>
+  <div i18n="@@thatsHowRussianDogsTalk" id="thatsHowRussianDogsTalk">
+    That's how russian dogs talk.
+  </div>
+  <div i18n="@@nowWeCanInstantiate" id="nowWeCanInstantiate">
+    Now we can instantiate (create) it
+  </div>
+  <div i18n="@@andUseItsMethods" id="andUseItsMethods">And use its methods</div>
+  <div i18n="@@laterWeWillHaveCode" id="laterWeWillHaveCode">
+    Later we'll have code here
+  </div>
+  <div i18n="@@letsCreateMorePuppies" id="letsCreateMorePuppies">
+    Let's create more puppies
+  </div>
+  <div i18n="@@varAllowedNotRecommended" id="varAllowedNotRecommended">
+    Var is still allowed but not recommended.
+  </div>
+  <div i18n="@@letInsteadOfVar" id="letInsteadOfVar">
+    Let should be used instead of var.
+  </div>
+  <div
+    i18n="@@letUnavailableOutsideIfUnlikeIf"
+    id="letUnavailableOutsideIfUnlikeIf"
+  >
+    Unlike var let is unavailable outside of this if.
+  </div>
+  <div i18n="@@constLikeLet" id="constLikeLet">
+    Const is like let, but if you try to change it, TS will give you an error.
+  </div>
+  <div i18n="@@definitelyBoolean" id="definitelyBoolean">
+    okay, definitely a boolean
+  </div>
+  <div i18n="@@createClassCodelab" id="createClassCodelab">
+    Create a class called 'Codelab'
+  </div>
+  <div i18n="@@exportClass" id="exportClass">Export the class</div>
+  <div i18n="@@addConstructor" id="addConstructor">Add a constructor</div>
+  <div
+    i18n="@@makeConstructorTakeParamGuests"
+    id="makeConstructorTakeParamGuests"
+  >
+    Make constructor take a parameter 'guests'
+  </div>
+  <div i18n="@@specifyTheTypeForGuests" id="specifyTheTypeForGuests">
+    Specify the type for the guests parameter (hint: it's an array of a type
+    Guest)
+  </div>
+  <div i18n="@@makeParemeterPublic" id="makeParemeterPublic">
+    Make the parameter public (note that now you can access it anywhere in the
+    class using this.guests)
+  </div>
+  <div
+    i18n="@@createNewMethodGetGuestsComing"
+    id="createNewMethodGetGuestsComing"
+  >
+    Create new method 'getGuestsComing'
+  </div>
+
+  <div i18n="@@specifyTheTypeForB" id="specifyTheTypeForB">
+    "b" in the code below is highlighted, because TypeScript is missing the
+    type. Specify the type for b.
+  </div>
+  <div
+    i18n="@@typescriptHighlightsErrorFix224"
+    id="typescriptHighlightsErrorFix224"
+  >
+    With this information TypeScript can highlight the error. Fix it, make 2 + 2
+    = 4 again!
+  </div>
+
+  <div
+    i18n="@@modifyGetGuestsComingToFilter"
+    id="modifyGetGuestsComingToFilter"
+  >
+    Modify getGuestsComing to filter the guests array return an array of guests
+    with the 'coming' property set to true.
+  </div>
+</div>
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <codelab-progress-bar></codelab-progress-bar>
+
+  <slide-arrows></slide-arrows>
+
+  <div *slide id="intro" milestone="TypeScript" no-padding>
+    <codelab-title-slide
+      title="TypeScript"
+      i18n-title="@@typescript"
+      description="Angular is written in TypeScript. Learn more about the language basics."
+      i18n-description="@@AngularIsWrittenInTypeScript"
+      prereqs="Basic understanding of JavaScript is required."
+      i18n-prereqs=""
+    ></codelab-title-slide>
+  </div>
+
+  <div *slide id="why-typescript" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Why TypeScript</codelab-breadcrumb>
+    <h2 i18n>
+      <b>JavaScript</b> is a great language, but there's space for improvement:
+    </h2>
+    <ul>
+      <li i18n>
+        JS is not type safe which makes it harder to develop large scale
+        applications
+      </li>
+      <li i18n>
+        New features of the latest versions of JS standards (ES2018, ES2019) are
+        not supported well across all the browsers
+      </li>
+    </ul>
+    <div class="info" i18n>
+      <b>ES</b> stands for
+      <a href="https://en.wikipedia.org/wiki/ECMAScript"><b>ECMAScript</b></a
+      >, which is the name of the JavaScript language specification (standard)
+    </div>
+  </div>
+
+  <div *slide id="about-typescript-2" milestone="TypeScript">
+    <codelab-breadcrumb i18n>TypeScript</codelab-breadcrumb>
+    <h2 i18n>
+      This is why <b>TypeScript</b> has been created. Since TypeScript can be
+      compiled to JavaScript, it can be used in any modern browser.
+    </h2>
+    <div row>
+      <div>
+        <ul>
+          <li i18n>TypeScript extends the latest version of JavaScript</li>
+          <li i18n>
+            TypeScript adds new features from the next version of JavaScript
+          </li>
+          <li i18n>
+            On top of it, TypeScript adds an optional type system and decorators
+          </li>
+        </ul>
+      </div>
+      <div class="space-left">
+        <codelab-typescript-svg></codelab-typescript-svg>
+      </div>
+    </div>
+    <div class="info" i18n>
+      Decorator looks like @twitter_handles, we'll learn more about them later
+    </div>
+  </div>
+
+  <!--  NUMBER-TYPE  -->
+  <div
+    *slide
+    id="typescript-why-ts"
+    milestone="TypeScript"
+    style="display: flex"
+  >
+    <codelab-breadcrumb i18n>Type System</codelab-breadcrumb>
+    <h2 i18n>
+      Below we have an <b>add</b> function, and we're adding 2 and 2. What could
+      go wrong?
+    </h2>
+    <codelab-exercise-playground
+      presets=""
+      ui="console"
+      [highlights]="code.tsExerciseMatch"
+      [exercise]="code.js2And2"
+    ></codelab-exercise-playground>
+    <h2 i18n>
+      Turns out it's possible to pass a string to this function and we get
+      <b>22</b> instead of <b>4</b>. Let's see how TypeScript can help address
+      this issue on the next slide
+    </h2>
+  </div>
+
+  <!--  NUMBER-TYPE  -->
+  <div *slide id="typescript-mini-exercise" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Type System</codelab-breadcrumb>
+    <h2 i18n>
+      TypeScript uses "<b>:</b>" to specify the type information (e.g.
+      <b>n: number</b>). Both <b>a</b> and <b>b</b> should be numbers. We
+      specified the type for <b>a</b>, now it's your turn!
+    </h2>
+    <codelab-exercise-playground
+      presets=""
+      ui="console"
+      [exercise]="code.tsExercise"
+    ></codelab-exercise-playground>
+    <div data-position="top" class="info" i18n>The code above is editable!</div>
+  </div>
+
+  <div *slide id="types-primitives" milestone="TypeScript">
+    <codelab-breadcrumb i18n
+      >Primitives (strings, numbers, etc...)
+    </codelab-breadcrumb>
+    <h2 i18n>Below are more types we can use</h2>
+
+    <code-demo-file-path path="types.ts"></code-demo-file-path>
+    <code-demo-editor
+      style="height: 400px;"
+      language="typescript"
+      [lineNumbers]="false"
+      [fontSize]="20"
+      [(ngModel)]="code.moreTypes.code"
+    >
+    </code-demo-editor>
+  </div>
+
+  <div *slide id="types-more" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Interfaces</codelab-breadcrumb>
+    <h2 i18n>
+      TypeScript Interfaces allow to specify properties and methods for an
+      object.
+    </h2>
+    <code-demo-file-path path="puppies.ts"></code-demo-file-path>
+    <code-demo-editor
+      style="height: 400px;"
+      language="typescript"
+      [lineNumbers]="false"
+      [fontSize]="20"
+      [(ngModel)]="code.moreTypes.codeInterfaces"
+    >
+    </code-demo-editor>
+    <div class="info" i18n>
+      Here, <b>realPuppy</b> is an implementation of the <b>Puppy</b> Interface.
+    </div>
+  </div>
+
+  <div *slide id="types-arrays" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Arrays</codelab-breadcrumb>
+    <h2 i18n>
+      Array types are defined as <b>Array{{ '<' }}Type{{ '>' }}</b> or
+      <b>Type[]</b>
+    </h2>
+    <codelab-exercise-playground
+      presets=""
+      ui="console"
+      [highlights]="code.classDescription.matches.arrayMatch"
+      [exercise]="code.moreTypes.codeArrays"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      Here, each element in the <b>betterCats</b> array is an instance of the
+      <b>Cat</b> Interface.
+    </div>
+  </div>
+
+  <!--  CLASSES  -->
+  <div *slide id="classes" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Classes</codelab-breadcrumb>
+    <h2 i18n>TypeScript has <b>classes</b>, and Angular uses them heavily.</h2>
+    <h2 i18n>
+      They are similar to classes in other languages, and are used to group
+      methods and properties together
+    </h2>
+    <codelab-exercise-playground
+      presets=""
+      ui="console"
+      [highlights]="code.classDescription.matches.classPuppyMatch"
+      [exercise]="code.classDescription.code"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="classes-constructor" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Constructor</codelab-breadcrumb>
+    <h2 i18n>
+      There's a special method on the class called <b>constructor</b>. It's run
+      when the class is instantiated and allows the class to take parameters
+    </h2>
+    <codelab-exercise-playground
+      presets=""
+      ui="console"
+      [exercise]="code.classDescription.codeConstructor"
+      [highlights]="code.classDescription.matches.constructorMatch"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="classes-access-modifier" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Access Modifiers</codelab-breadcrumb>
+    <h2 i18n>
+      Constructor parameters marked as <b>public</b> (or private, or protected),
+      become class properties accessible as <b>this.ParameterName</b> within the
+      class
+    </h2>
+    <codelab-exercise-playground
+      presets=""
+      ui="console"
+      [highlights]="code.classDescription.matches.modifierMatch"
+      [exercise]="code.classDescription.codeConstructor"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      private or protected properties are not visible outside of the class.
+    </div>
+  </div>
+
+  <div *slide id="export" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Export</codelab-breadcrumb>
+    <h2 i18n>
+      By the way, did you notice the <b>export</b> keyword before class? It is
+      used to share information between files. In the next slide, we'll show you
+      how to import and use this class in a different file
+    </h2>
+
+    <code-demo-file-path path="puppy.ts"></code-demo-file-path>
+    <code-demo-editor
+      style="height: 400px;"
+      [codeDemoHighlight]="[code.classDescription.matches.exportMatch]"
+      language="typescript"
+      [lineNumbers]="false"
+      [fontSize]="20"
+      [(ngModel)]="code.classDescription.codeExport.files[0].code"
+    >
+    </code-demo-editor>
+  </div>
+
+  <div *slide id="import" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Import</codelab-breadcrumb>
+    <h2 i18n>Now we can use the <b>Puppy</b> class in the other file</h2>
+    <codelab-exercise-playground
+      presets=""
+      ui="console"
+      files="puppy.ts,app.ts"
+      [highlights]="code.classDescription.matches.importMatch"
+      [exercise]="code.classDescription.codeImport"
+    ></codelab-exercise-playground>
+    <div class="info" i18n>
+      <b>import</b> and <b>export</b> keywords are not just for classes. They
+      work with variables, functions and other things!
+    </div>
+  </div>
+
+  <div *slide id="filter" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Filter (One last thing)</codelab-breadcrumb>
+    <h2 i18n>
+      "<b>filter</b>" is an Array method that allows you to generate a new array
+      keeping only values that satisfy the condition
+    </h2>
+    <codelab-exercise-playground
+      presets=""
+      [exercise]="code.filter"
+    ></codelab-exercise-playground>
+  </div>
+
+  <div *slide id="more" milestone="TypeScript">
+    <codelab-breadcrumb i18n>More</codelab-breadcrumb>
+    <h2 i18n>TypeScript supports lots of other cool features such as:</h2>
+    <ul>
+      <li>
+        <a
+          i18n
+          href="https://www.typescriptlang.org/docs/handbook/enums.html"
+          target="_blank"
+          >Enums</a
+        >
+      </li>
+      <li>
+        <a
+          i18n
+          href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function"
+          target="_blank"
+          >Async / Await</a
+        >
+      </li>
+      <li>
+        <a
+          i18n
+          href="https://www.typescriptlang.org/docs/handbook/classes.html"
+          target="_blank"
+          >Accessors (Getters / Setters)</a
+        >
+      </li>
+      <li>
+        <a
+          i18n
+          href="https://www.typescriptlang.org/docs/handbook/variable-declarations.html"
+          target="_blank"
+          >Destructuring</a
+        >
+      </li>
+      <li>
+        <a
+          i18n
+          href="https://www.typescriptlang.org/docs/handbook/functions.html"
+          target="_blank"
+          >Arrow functions</a
+        >
+      </li>
+      <li i18n>And more!</li>
+    </ul>
+    <h2 i18n>
+      We won't cover them in detail, check out the
+      <a href="http://www.typescriptlang.org/" target="_blank">TypeScript</a>
+      website!
+    </h2>
+  </div>
+
+  <div *slide id="exercise-pre" milestone="TypeScript">
+    <codelab-breadcrumb i18n>Exercise</codelab-breadcrumb>
+    <h2 i18n>In the next slide we have a TypeScript exercise</h2>
+    <h2 i18n>
+      Your task is to build a TypeScript class called Codelab which will take a
+      list of guests, and will have a method to output only the ones who are
+      coming.
+    </h2>
+    <h2 i18n>The result will be as follows:</h2>
+    <codelab-exercise-preview
+      [presets]="[]"
+      [exercise]="exercises[0]"
+    ></codelab-exercise-preview>
+  </div>
+
+  <div *slide id="exercise-new" no-padding>
+    <codelab-exercise
+      [translations]="t"
+      [presets]="[]"
+      [exercise]="exercises[0]"
+      milestone="TypeScript"
+    >
+    </codelab-exercise>
+  </div>
+
+  <div *slide id="end">
+    <codelab-closing-slide>
+      <div header>
+        <codelab-breadcrumb i18n>Milestone Completed</codelab-breadcrumb>
+      </div>
+      <div body>
+        <h2 i18n>
+          Now you should know enough <b>TypeScript</b> to start learning
+          <b>Angular</b>! Read more about TypeScript on
+          <a href="http://www.typescriptlang.org/">TypeScript web site</a>
+        </h2>
+      </div>
+      <div footer>
+        <br />
+        <br />
+        <h2>
+          <ng-container i18n>Next:</ng-container>
+          <a routerLink="../../create-first-app/0" i18n>
+            Learn how to create your first Angular app!
+          </a>
+        </h2>
+        <feedback-rating lesson="TypeScript"></feedback-rating>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.ts b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.ts
new file mode 100644
index 000000000..4a05c5d44
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/angular/typescript/typescript/typescript.component.ts
@@ -0,0 +1,212 @@
+import { Component, OnInit, ViewChild } from '@angular/core';
+
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+import { ng2tsConfig } from '../../../../../../../../ng2ts/ng2ts';
+import {
+  javaScriptWithConsoleLog,
+  typeScriptWithConsoleLog
+} from '../../../../shared/helpers/helpers';
+
+declare const require;
+
+@Component({
+  selector: 'codelab-slides-typescript',
+  templateUrl: './typescript.component.html',
+  styleUrls: ['./typescript.component.css']
+})
+export class TypeScriptComponent implements OnInit {
+  t: { [key: string]: string };
+  // need to consider changing how we set code
+  @ViewChild('translations', { static: true }) translation;
+
+  // TODO(kirjs): we can't access tanslation in OnInit hook iwht static set to false
+  private exercises = [ng2tsConfig.milestones[0].exercises[1]];
+  private code: any = {};
+
+  ngOnInit(): void {
+    this.t = extractMessages(this.translation);
+
+    this.code = {
+      filter: typeScriptWithConsoleLog(`const numbers = [12,23,62,34,19,40,4,9];
+
+console.log(numbers.filter(function(n: number){
+  return n > 30;
+}));
+
+// ${this.t.useShorthandNotation}
+// ${this.t.calledArrowFunction}
+console.log(
+  numbers.filter(n => n > 30)
+);`),
+      moreTypes: {
+        codeInterfaces: `interface Puppy {
+  name: string;
+  age: number;
+};
+
+const realPuppy: Puppy = {
+  name: 'Pikachu',
+  age: 1
+};
+
+const notRealPuppy: Puppy = {
+  says: 'meow' // ${this.t.errorNotAPuppy}
+}`,
+        codeArraysMatch: /Array/,
+        codeArrays: typeScriptWithConsoleLog(`// Array<Type>
+const cats: Array<string> = ['Simba', 'Aslan'];
+// ${this.t.typeDoesSameThing}
+const cats2: string[] = ['Simba', 'Aslan'];
+
+interface Cat {
+  name: string,
+  age: number
+}
+
+const betterCats: Cat[] = [
+  {name: 'Simba', age: 22},
+  {name: 'Aslan', age: 9999}
+];
+
+console.log(betterCats);`),
+        code: `const price: number = 100; // ${this.t.thisIsNumber}
+const tax = 20; // ${this.t.typescriptCanInferNumber}
+const productName = 'pikachu'; // ${this.t.typescriptCanInferString}
+const isHungry = true; // Boolean
+
+const weird = tax + isHungry; // ${this.t.cantAddNumAndBool}
+tax.slice(1,5); // ${this.t.cantSliceNum}
+productName.slice(1,5); // ${this.t.canSliceString}
+const total = price + tax; // ${this.t.works}`
+      },
+      varDeclaration: {
+        code: `// ${this.t.varAllowedNotRecommended}
+var v = 1;
+
+// ${this.t.letInsteadOfVar}
+let l = 1;
+
+if(true){
+  let ll = 1; // ${this.t.letUnavailableOutsideIfUnlikeIf}
+}
+console.log(ll); // undefined
+
+
+// ${this.t.constLikeLet}
+const x = 1;
+x = 2;`
+      },
+      stringType: {
+        code: `let fullName: string = 'Bob Bobbington';
+let sentence: string = \`Hello, my name is \${ fullName }.\`;`
+      },
+      stringType2: {
+        code: `let sentence: string = "Hello, my name is " + fullName + "."`
+      },
+      anyType: {
+        code: `let notSure: any = 4;
+notSure = "maybe a string instead";
+notSure = false; // ${this.t.definitelyBoolean}`
+      },
+      classDescription: {
+        code: typeScriptWithConsoleLog(`export class Puppy {
+  // ${this.t.commonDogName}
+  name = 'Bar Boss';
+
+  // ${this.t.thisIsMethod}
+  bark(){
+    // ${this.t.thatsHowRussianDogsTalk}
+    return this.name + ': Gav gav!!';
+  }
+}
+
+// ${this.t.nowWeCanInstantiate}
+var hotdog = new Puppy();
+// ${this.t.andUseItsMethods}
+console.log(hotdog.bark());
+`),
+        codeConstructor: typeScriptWithConsoleLog(`export class Puppy {
+  constructor(public name: string){
+    // ${this.t.laterWeWillHaveCode}
+  }
+  bark(){
+    return 'Gav! my name is ' + this.name;
+  }
+}
+
+var hotdog = new Puppy('Édouard');
+console.log(hotdog.bark());
+// ${this.t.letsCreateMorePuppies}
+var oscar = new Puppy('Oscar-Claude');
+console.log(oscar.bark());`),
+        codeExport: typeScriptWithConsoleLog(`export class Puppy {
+  constructor(public name: string){}
+  bark(){
+    return 'Gav! my name is ' + this.name;
+  }
+}`),
+        codeImport: typeScriptWithConsoleLog(
+          `import {Puppy} from './puppy';
+
+var hotdog = new Puppy('Édouard');
+console.log(hotdog.bark());
+// ${this.t.letsCreateMorePuppies}
+var oscar = new Puppy('Oscar-Claude');
+console.log(oscar.bark());`,
+          'import "./app";',
+          undefined,
+          `export class Puppy {
+  constructor(public name: string){}
+  bark(){
+    return 'Gav! my name is ' + this.name;
+  }
+}`
+        ),
+        matches: {
+          classPuppyMatch: { 'app.ts': /class Puppy/ },
+          classMatch: /class/,
+          exportMatch: /export/,
+          importMatch: {
+            'puppy.ts': /export/,
+            'app.ts': /import/
+          },
+          arrayMatch: {
+            'app.ts': [/Array<string>/, /string\[]/]
+          },
+          constants: /const /,
+
+          constructorMatch: { 'app.ts': [/(public name: string)/, /Édouard/] },
+          modifierMatch: { 'app.ts': [/public name/, /this.name/] },
+          oscarMatch: /Oscar-Claude/
+        }
+      },
+      tsExercise: typeScriptWithConsoleLog(
+        `function add(a: number, b){
+  return a+b;
+};
+
+console.log(add(2, '2'));`,
+        undefined,
+        require(`!raw-loader!./code/mini-exercise-test.ts`)
+          .replace('@@specifyTheTypeForB', this.t.specifyTheTypeForB)
+          .replace(
+            '@@typescriptHighlightsErrorFix224',
+            this.t.typescriptHighlightsErrorFix224
+          )
+      ),
+
+      js2And2: (() => {
+        const code = javaScriptWithConsoleLog(
+          `function add(a, b){
+  return a+b;
+};
+
+console.log(add(2, '2'));`
+        );
+        (code.files[2] as any).bootstrap = false;
+        return code;
+      })(),
+      tsExerciseMatch: { 'app.ts': /'.*'/ }
+    };
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/codelabs-routing.module.ts b/codelab-master/apps/codelab/src/app/codelabs/codelabs-routing.module.ts
new file mode 100644
index 000000000..bdfbda2d3
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/codelabs-routing.module.ts
@@ -0,0 +1,26 @@
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import { IndexComponent } from '../components/index/index.component';
+
+const routes: Routes = [
+  { path: '', component: IndexComponent },
+  {
+    path: 'angular',
+    loadChildren: () =>
+      import('./angular/angular.module').then(m => m.AngularModule)
+  },
+  {
+    path: 'extra',
+    loadChildren: () => import('./extra/extra.module').then(m => m.ExtraModule)
+  },
+  {
+    path: 'about',
+    loadChildren: () => import('./about/about.module').then(m => m.AboutModule)
+  }
+];
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+export class CodelabsRoutingModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/codelabs.module.ts b/codelab-master/apps/codelab/src/app/codelabs/codelabs.module.ts
new file mode 100644
index 000000000..f3a48169b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/codelabs.module.ts
@@ -0,0 +1,8 @@
+import { NgModule } from '@angular/core';
+import { CodelabsRoutingModule } from './codelabs-routing.module';
+import { IndexModule } from '../components/index/index.module';
+
+@NgModule({
+  imports: [CodelabsRoutingModule, IndexModule]
+})
+export class CodelabsModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.css b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.css
new file mode 100644
index 000000000..f91184da9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.css
@@ -0,0 +1,16 @@
+.vscode-gifs img {
+  width: 100%;
+  height: auto;
+  max-height: 100%;
+}
+
+.feature-title {
+  text-align: center;
+  font-style: italic;
+  margin: 20px 1px 1px 1px;
+}
+
+.vscode-gifs {
+  display: inline-block;
+  padding: 5px;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.html b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.html
new file mode 100644
index 000000000..ebe8b3059
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.html
@@ -0,0 +1,145 @@
+<!--<slide-deck slideShortcuts slidesRouting slides-tracking>-->
+
+<!--<div *slide id="exercise-babel-angular">-->
+
+<!--editor | preview-->
+
+<!--editor | tests-->
+<!--preview-->
+
+<!--editor | preview-->
+<!--| tests-->
+
+<!--editor | preview-->
+<!--| Visualisat-->
+
+<!--1. code- components-->
+<!--<code-group [(code)]="code" [solution]="solution" deps="rxjs"></code-group>-->
+
+<!--<code-editor bootstrap="app.component.ts"></code-editor>-->
+<!--<code-editor [(code)]="code" deps="mocha"></code-editor>-->
+<!--<code-editor [(code)]="code" [solution]="solution" deps="mocha"></code-editor>-->
+
+<!--<code-preview [code]="code" ui="browser"></code-preview>-->
+<!--<code-preview bootstrap="main.ts" ui="browser"></code-preview>-->
+<!--<code-preview bootstrap="console.ts" ui="console"></code-preview>-->
+<!--<code-preview bootstrap="test.ts" ui="tests"></code-preview>-->
+
+<!--2. codelab- components-->
+<!--<codelab-preview></codelab-preview>-->
+<!--<codelab-exercise [(code)]="code"></codelab-exercise>-->
+
+<!--<codelab-playground></codelab-playground>-->
+<!--3. presentations- components-->
+
+<!--Building block-->
+<!--1.Code-->
+<!--<code-editor [(ngModel)]="code"></code-editor>-->
+<!--2. Preview-->
+<!--<code-preview [code]="code"></code-preview>-->
+<!--<code-preview-native [code]="code"></code-preview-native>-->
+<!--3. Angular preview-->
+<!--<code-preview [code]="code" deps="angular" ui="browser"></code-preview>-->
+<!--4. Console preview-->
+<!--<code-preview [code]="code" deps="rxjs" ui="console"></code-preview>-->
+<!--5. Rxjs preview-->
+<!--<code-preview [code]="code" deps="rxjs" ui="rxjs"></code-preview>-->
+<!--6. Test preview-->
+<!--<code-preview [code]="code" deps="angular, tests" ui="tests"></code-preview>-->
+<!--7. CodelabSlides-->
+<!--<codelab-slides></codelab-slides>-->
+
+<!--Codelab exercise-->
+<!--<codelab-exercise [(code)]="code" deps="angular" milestone="ms">-->
+<!--<div class="description">Lol</div>-->
+<!--<code-editor></code-editor>-->
+<!--<code-preview></code-preview>-->
+<!--<code-preview deps="tests" ui="tests"></code-preview>-->
+<!--</codelab-exercise>-->
+<!--<codelab-exercise [(code)]="code" deps="angular" milestone="ms">-->
+<!--<div class="description">Lo lololol</div>-->
+
+<!--<code-preview></code-preview>-->
+
+<!--;lololo-->
+<!--</codelab-exercise>-->
+
+<!--<code-preview [(code)]="code" ></code-preview>-->
+<!--;lollool-->
+
+<!--<codelab-exercise [(code)]="code">-->
+<!--<div class="description">Lol</div>-->
+<!--<code-editor class="editor"></code-editor>-->
+<!--<code-preview class="preview"></code-preview>-->
+<!--<code-preview class="tests" deps="angular, tests" ui="tests"></code-preview>-->
+<!--<codelab-slides class="editor"></codelab-slides>-->
+<!--</codelab-exercise>-->
+<!--<codelab-exercise [(code)]="code">-->
+<!--<div class="description">Lol</div>-->
+<!--<code-editor class="editor"></code-editor>-->
+<!--<code-preview class="preview"></code-preview>-->
+<!--<code-preview class="tests" deps="angular, tests" ui="tests"></code-preview>-->
+<!--<codelab-slides class="editor"></codelab-slides>-->
+<!--</codelab-exercise>-->
+<!--<codelab-exercise [(code)]="code">-->
+<!--<div class="description">Lol</div>-->
+<!--<code-editor class="editor"></code-editor>-->
+<!--<code-preview class="preview"></code-preview>-->
+<!--<code-preview class="tests" deps="angular, tests" ui="tests"></code-preview>-->
+<!--<codelab-slides class="editor"></codelab-slides>-->
+<!--</codelab-exercise>-->
+<!--<codelab-exercise [(code)]="code">-->
+<!--<div class="description">Lol</div>-->
+<!--<code-editor class="editor"></code-editor>-->
+<!--<code-preview class="preview"></code-preview>-->
+<!--<code-preview class="tests" deps="angular, tests" ui="tests"></code-preview>-->
+<!--<codelab-slides class="editor"></codelab-slides>-->
+<!--</codelab-exercise>-->
+
+<!--<angular-demo [(code)]="code">-->
+<!--Desciption lol img-->
+<!--</angular-demo>-->
+
+<!--<codelab-exercise1  [(ngModel)]="code" deps="angular" test-deps="babel" ui="editor preview tests slides">-->
+<!--Desciption lol img-->
+<!--</codelab-exercise1>-->
+
+<!--<codelab-exercise1  [(ngModel)]="code" deps="angular" test-deps="babel" ui="editor preview tests slides">-->
+<!--Desciption lol img-->
+<!--</codelab-exercise1>-->
+
+<!--<codelab-exercise1  [(ngModel)]="code" deps="angular" test-deps="babel" ui="editor preview tests slides">-->
+<!--Desciption lol img-->
+<!--</codelab-exercise1>-->
+
+<!--<codelab-exercise1  [(ngModel)]="code" deps="angular" test-deps="babel" ui="editor preview tests slides">-->
+<!--Desciption lol img-->
+<!--</codelab-exercise1>-->
+
+<!--<h1>LOL</h1>-->
+<!--<codelab-exercise show="code"></codelab-exercise>-->
+<!--<codelab-exercise show="console"></codelab-exercise>-->
+
+<!--<codelab-group [code]="code">-->
+<!--<code-editor></code-editor>-->
+<!--<code-preview></code-preview>-->
+<!--</codelab-group>-->
+
+<!--<code-editor [code]="lol"></code-editor>-->
+
+<!--### Rx js presentation-->
+<!--<codelab-exercise [(ngModel)]="code">-->
+<!--<div class="description">Lol</div>-->
+<!--<code-editor class="editor"></code-editor>-->
+<!--<code-preview class="preview"></code-preview>-->
+<!--<code-preview class="tests" deps="angular, tests" ui="tests"></code-preview>-->
+<!--</codelab-exercise>-->
+
+<!--<rxjs-demo [(ngModel)]="code"></rxjs-demo>-->
+<!--</div>-->
+
+<!--<div *slide id="lol">-->
+<!--<h1>LOL2</h1>-->
+<!--</div>-->
+
+<!--</slide-deck>-->
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.ts
new file mode 100644
index 000000000..3b87d6b05
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.component.ts
@@ -0,0 +1,90 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-code-playground',
+  templateUrl: './code-playground.component.html',
+  styleUrls: ['./code-playground.component.css']
+})
+export class CodePlaygroundComponent {}
+
+//
+//
+// // 1. code- components
+// // <code-group [(code)]="code" [solution]="solution" deps="rxjs"></code-group>
+// // <code-ts-review>
+// //
+// // <code-editor bootstrap="app.component.ts"></code-editor>
+// // <code-editor [(code)]="code" deps="mocha"></code-editor>
+// // <code-editor [(code)]="code" [solution]="solution" deps="mocha"></code-editor>
+// //
+// // <code-preview [code]="code" ui="browser"></code-preview>
+// // <code-preview bootstrap="main.ts" ui="browser"></code-preview>
+// // <code-preview bootstrap="console.ts" ui="console"></code-preview>
+// // <code-preview bootstrap="test.ts" ui="tests"></code-preview>
+//
+//
+// /// <code-group><code-preview> TypeScript
+// /// <code-group><code-preview> Javasdcript
+//
+// @Component({
+//   selector: 'codelab-exercise',
+//   template: '<code-group><ng-content></ng-content></code-group>',
+//   providers: [CodeSource]
+// })
+// class CodelabExercise {
+//   constructor(cs: CodeSource) {
+//     cs.addBeforeStep((cide) => {
+//       code.before = 1
+//     })
+//   }
+//
+//   getRoot(){
+//     return this.parent || this;
+//   }
+//
+//   addCode(code: Record) {
+//     this.code = code;
+//   }
+//
+//   getCode() {
+//     if (this.code) {
+//       return this.code;
+//     }
+//     return this.parent.getCode();
+//   }
+//
+//   getDeps() {
+//     return this.parent && this.parent.getDeps() + this.deps;
+//   }
+//
+// }
+//
+//
+// @Component({
+//   selector: 'code-group',
+//   template: '<ng-content></ng-content>',
+//   providers: [CodeSource]
+// })
+// class CodeGroup {
+//   // { "main.ts": "console.log('')" }
+//   @Input() code: Record<string, string>;
+//   // { "main.ts": "console.log('Hello')" }
+//   @Input() solution: Record<string, string>;
+//   // // "main.ts"
+//   // @Input() bootstrap: string;
+//   // "angular, react"
+//   @Input() deps: string;
+//   @Input() compile: (code: Record<string, string>) => Record<string, string>;
+//   // "browser, tests"
+//   @Input() ui: string;
+// }
+//
+// @Component({
+//   selector: 'code-preview',
+//   template: '',
+//   providers: [CodeSource]
+// })
+// class CodePreview {
+//   constructor(private source: CodeSource) {
+//   }
+// }
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.module.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.module.ts
new file mode 100644
index 000000000..0aacf6bea
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/code-playground/code-playground.module.ts
@@ -0,0 +1,15 @@
+import { RouterModule } from '@angular/router';
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { CodePlaygroundComponent } from './code-playground.component';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(CodePlaygroundComponent));
+
+@NgModule({
+  imports: [routes, SlidesModule, FeedbackModule, CommonModule],
+  declarations: [CodePlaygroundComponent],
+  exports: [CodePlaygroundComponent]
+})
+export class CodePlaygroundModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/extra-routing.module.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/extra-routing.module.ts
new file mode 100644
index 000000000..9250d0180
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/extra-routing.module.ts
@@ -0,0 +1,45 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { environment } from '../../../environments/environment';
+import { FullLayoutComponent } from '../../containers/full-layout';
+
+let routes = [
+  {
+    path: '',
+    component: FullLayoutComponent,
+    children: [
+      {
+        path: 'code-playground',
+        loadChildren: () =>
+          import('./code-playground/code-playground.module').then(
+            m => m.CodePlaygroundModule
+          ),
+        name: 'code-playground',
+        description:
+          'Learn how pipes transform input values to output values for display in a view',
+        page: 'extra'
+      },
+      {
+        path: 'rating-summary',
+        loadChildren: () =>
+          import('./rating-summary/rating-summary.module').then(
+            m => m.RatingSummaryModule
+          ),
+        name: 'rating-summary',
+        description:
+          'Learn how pipes transform input values to output values for display in a view',
+        page: 'extra'
+      }
+    ]
+  }
+];
+
+if (environment.production) {
+  routes = routes.filter(r => r['prod']);
+}
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+export class ExtraRoutingModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/extra.module.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/extra.module.ts
new file mode 100644
index 000000000..9affcc7a2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/extra.module.ts
@@ -0,0 +1,19 @@
+import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
+import { HttpClientModule } from '@angular/common/http';
+import { CommonModule } from '@angular/common';
+import { SharedModule } from '../../shared/shared.module';
+import { ExtraRoutingModule } from './extra-routing.module';
+import { FullLayoutModule } from '../../containers/full-layout/full-layout.module';
+
+@NgModule({
+  imports: [
+    SharedModule,
+    ExtraRoutingModule,
+    CommonModule,
+    HttpClientModule,
+    FormsModule,
+    FullLayoutModule
+  ]
+})
+export class ExtraModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.css b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.css
new file mode 100644
index 000000000..dc8759818
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.css
@@ -0,0 +1,8 @@
+.ratingsummary {
+  text-align: center;
+  margin-left: auto;
+  margin-right: auto;
+  margin-top: 60px;
+  border: 1px solid slategray;
+  padding: 20px;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.html b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.html
new file mode 100644
index 000000000..9aa2aa0cc
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.html
@@ -0,0 +1,7 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <div no-padding *slide>
+    <div class="ratingsummary">
+      <feedback-rating showSummary="true"> </feedback-rating>
+    </div>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.ts
new file mode 100644
index 000000000..41fd538df
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.component.ts
@@ -0,0 +1,10 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-slides-rating-summary',
+  templateUrl: './rating-summary.component.html',
+  styleUrls: ['./rating-summary.component.css']
+})
+export class RatingSummaryComponent implements OnInit {
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.module.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.module.ts
new file mode 100644
index 000000000..041c591df
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/rating-summary/rating-summary.module.ts
@@ -0,0 +1,37 @@
+import { AngularFireModule } from '@angular/fire';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { HttpClientModule } from '@angular/common/http';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { RatingSummaryComponent } from './rating-summary.component';
+import { environment } from '../../../../environments/environment';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(RatingSummaryComponent));
+
+export const angularFire = AngularFireModule.initializeApp(
+  environment.firebaseConfig
+);
+
+@NgModule({
+  imports: [
+    routes,
+    BrowserWindowModule,
+
+    angularFire,
+    CommonModule,
+    HttpClientModule,
+    FeedbackModule,
+    SlidesModule,
+    AngularFireDatabaseModule,
+    AngularFireAuthModule
+  ],
+  declarations: [RatingSummaryComponent],
+  providers: [],
+  exports: [RatingSummaryComponent]
+})
+export class RatingSummaryModule {}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.css b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.css
new file mode 100644
index 000000000..f91184da9
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.css
@@ -0,0 +1,16 @@
+.vscode-gifs img {
+  width: 100%;
+  height: auto;
+  max-height: 100%;
+}
+
+.feature-title {
+  text-align: center;
+  font-style: italic;
+  margin: 20px 1px 1px 1px;
+}
+
+.vscode-gifs {
+  display: inline-block;
+  padding: 5px;
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.html b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.html
new file mode 100644
index 000000000..208417db3
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.html
@@ -0,0 +1,254 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <slide-arrows></slide-arrows>
+
+  <div id="intro" no-padding milestone="TypeScript">
+    <codelab-title-slide
+      title="Visual Studio Code"
+      description="Another Code Editor?"
+    ></codelab-title-slide>
+  </div>
+
+  <div id="about-typescript">
+    <h1>What is Visual Studio Code?</h1>
+    <div row>
+      <div>
+        <h2>
+          Visual Studio Code is a free, open-source code editor developed by
+          Microsoft
+        </h2>
+        <ul>
+          <li>
+            built with Github Electron, and written in HTML, CSS,and Javascript
+          </li>
+          <li>
+            offers a robust extensible architecture and is highly customizable
+          </li>
+          <li>
+            <span>built-in perks include:</span>
+            <ul>
+              <li>Source Control</li>
+              <li>Extensions Marketplace</li>
+              <li>Debugger</li>
+              <li>Built-in Terminal</li>
+            </ul>
+          </li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+  <div>
+    <h1>Why Use Visual Studio Code?</h1>
+    <h2>
+      It has awesome tooling support and works especially well with TypeScript.
+    </h2>
+    <h2 class="feature-title">
+      It comes with <em>Intellisense</em>, which provides code completion and
+      code info.
+    </h2>
+    <div row>
+      <div class="col-6 vscode-gifs">
+        <img
+          src="https://code.visualstudio.com/images/intellisense_intellisense.gif"
+          alt="IntelliSense demo gif"
+        />
+      </div>
+      <div class="col-6 vscode-gifs">
+        <img
+          src="https://raw.githubusercontent.com/ionutvmi/path-autocomplete/master/demo/path-autocomplete.gif"
+          alt="IntelliSense demo gif"
+        />
+      </div>
+    </div>
+  </div>
+
+  <div>
+    <h1>No Really, Why Use Visual Studio Code?</h1>
+    <h2>Missing Reference? Syntax Error? No problem!</h2>
+    <h2 class="feature-title">
+      Look for the lightbulb to shed some light on the issue and maybe even
+      automatically fix it for you.
+    </h2>
+    <div row>
+      <div class="col-6 vscode-gifs">
+        <img
+          src="https://code.visualstudio.com/images/language-support_quick-fixes.gif"
+          alt="IntelliSense demo gif"
+        />
+      </div>
+    </div>
+  </div>
+
+  <div>
+    <h1>OK, How Do I Get VSCode?</h1>
+    <div row>
+      <div class="col-6">
+        <h2>Interested? Curious?</h2>
+        <h2>Ready to join the cult?</h2>
+        <ol>
+          <li>
+            Click
+            <a href="https://code.visualstudio.com/" target="_blank">here</a> to
+            download.
+          </li>
+          <li>Run the installer</li>
+          <li>Enjoy!</li>
+          <li>Profit???</li>
+        </ol>
+      </div>
+      <div class="col-6"><img src="http://i.imgur.com/dac74Al.gif" /></div>
+    </div>
+  </div>
+
+  <div>
+    <h1>Popular extensions</h1>
+    <div row>
+      <ul>
+        <li>
+          <span
+            >are many extensions available for VSCode. Some good ones
+            include:</span
+          >
+          <ul>
+            <li>
+              <a
+                href="https://marketplace.visualstudio.com/items?itemName=robertohuertasm.vscode-icons"
+                target="_blank"
+                >vscode-icons</a
+              >
+              - Adds icons to your file tree (ohhhh shiny)
+            </li>
+            <li>
+              <a
+                href="https://marketplace.visualstudio.com/items?itemName=EditorConfig.EditorConfig"
+                target="_blank"
+                >Editor Config</a
+              >
+              - Editor Config Plugin for vs code
+            </li>
+            <li>
+              <a
+                href="https://marketplace.visualstudio.com/items?itemName=dbaeumer.vscode-eslint"
+                target="_blank"
+                >ESLint</a
+              >
+              - JS linter plugin
+            </li>
+            <li>
+              <a
+                href="https://marketplace.visualstudio.com/items?itemName=eg2.tslint"
+                target="_blank"
+                >TSLint</a
+              >
+              - TypeScript linter plugin (Moarrrrr linter)
+            </li>
+            <li>
+              <a
+                href="https://marketplace.visualstudio.com/items?itemName=HookyQR.beautify"
+                target="_blank"
+                >Beautify</a
+              >
+              - Beautify code, if you don't like JS-beautify
+            </li>
+            <li>
+              And many many more! check out the
+              <a
+                href="https://marketplace.visualstudio.com/VSCode"
+                target="_blank"
+                >offical site</a
+              >
+              and
+              <a
+                href="https://github.com/viatsko/awesome-vscode"
+                target="_blank"
+                >Awesome VS Code</a
+              >
+              for more!
+            </li>
+          </ul>
+        </li>
+      </ul>
+    </div>
+  </div>
+
+  <div>
+    <!--TODO: Add Mac shortcuts?-->
+    <h1>Common Keyboard Shortcuts</h1>
+    <ul>
+      <li>Formats your code (Shift+Alt+F)</li>
+      <li>Open New Window (Ctrl+Shift+N)</li>
+      <li>Open Project Folder (Ctrl+K,Ctrl+O)</li>
+      <li>Go to File (Ctrl+P)</li>
+      <li>Expand Selection (Shift+Alt+Right)</li>
+      <li>Search multiple File (Ctrl+Shift+F)</li>
+      <li>Go to Definition (F12)</li>
+      <li>Rename (F2)</li>
+      <li>Multiple Cursor(Alt+Mouse)</li>
+      <li>
+        See more
+        <a
+          href="https://code.visualstudio.com/shortcuts/keyboard-shortcuts-windows.pdf"
+          target="_blank"
+          >here</a
+        >
+      </li>
+    </ul>
+    <p>
+      Miss your old editor keymap? Try out of one of these extensions:
+      <a
+        href="https://marketplace.visualstudio.com/items?itemName=vscodevim.vim"
+        target="_blank"
+        >Vim</a
+      >,
+      <a
+        href="https://marketplace.visualstudio.com/items?itemName=ms-vscode.sublime-keybindings"
+        target="_blank"
+        >Atom</a
+      >,
+      <a
+        href="https://marketplace.visualstudio.com/items?itemName=ms-vscode.atom-keybindings"
+        target="_blank"
+        >Sublime</a
+      >
+    </p>
+  </div>
+
+  <div>
+    <!--TODO: mac shortcuts-->
+    <h1>What!? you forgot all the shortcuts already?</h1>
+    <h2>
+      No problem, VSCode has your back. Hit (F1) or (ctrl+shift+p) and type the
+      command you want to perform
+    </h2>
+    <div class="col-6 vscode-gifs">
+      <img
+        src="https://code.visualstudio.com/images/javascript_formatter.gif"
+        alt="IntelliSense demo"
+      />
+    </div>
+  </div>
+
+  <div id="end'; milestone: 'Visaul-Studio-Code">
+    <codelab-closing-slide>
+      <div class="header" header>
+        <h1>End of Visual Studio Code Section</h1>
+      </div>
+      <div class="body" body>
+        <h2>Well done! This is the end of the milestone!</h2>
+        <ul>
+          <li>
+            <a href="https://code.visualstudio.com/" target="_blank"
+              >Visual Studio Code Offical Site</a
+            >
+          </li>
+        </ul>
+      </div>
+      <div class="footer" footer>
+        <h2>
+          <a routerLink="/">Back to Index</a>
+          <!--<a routerLink="/bootstrap/0">Go to the next Milestone</a>-->
+        </h2>
+      </div>
+    </codelab-closing-slide>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.ts
new file mode 100644
index 000000000..529134734
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-slides-visual-studio-code',
+  templateUrl: './visual-studio-code.component.html',
+  styleUrls: ['./visual-studio-code.component.css']
+})
+export class VisualStudioCodeComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.module.ts b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.module.ts
new file mode 100644
index 000000000..e1e6279be
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/codelabs/extra/visual-studio-code/visual-studio-code.module.ts
@@ -0,0 +1,26 @@
+import { RouterModule } from '@angular/router';
+import { FeedbackModule } from '@codelab/feedback';
+
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { VisualStudioCodeComponent } from './visual-studio-code.component';
+import { CodelabComponentsModule } from '../../../components/codelab-components.module';
+
+const routes = RouterModule.forChild(
+  SlidesRoutes.get(VisualStudioCodeComponent)
+);
+
+@NgModule({
+  imports: [
+    SlidesModule,
+    CodelabComponentsModule,
+    routes,
+
+    FeedbackModule,
+    CommonModule
+  ],
+  declarations: [VisualStudioCodeComponent],
+  exports: [VisualStudioCodeComponent]
+})
+export class VisualStudioCodeModule {}
diff --git a/codelab-master/apps/codelab/src/app/common.ts b/codelab-master/apps/codelab/src/app/common.ts
new file mode 100644
index 000000000..fe2d8a183
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/common.ts
@@ -0,0 +1,15 @@
+import { InjectionToken } from '@angular/core';
+import { Route } from '@angular/router';
+
+export type MenuRoutes = MenuRoute[];
+
+interface MenuRoute extends Route {
+  name?: string;
+  description?: string;
+  page?: string;
+  prod?: boolean;
+  translationIds?: string[];
+  children?: MenuRoutes;
+}
+
+export const MENU_ROUTES = new InjectionToken<MenuRoutes>('menuRoutes');
diff --git a/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.html b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.html
new file mode 100644
index 000000000..e4f98983f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.html
@@ -0,0 +1,9 @@
+<h3>Lessons</h3>
+<ol>
+  <li *ngFor="let route of menuRoutes">
+    <h2>
+      <a [routerLink]="['/angular', route.path]">{{ route.name }}</a>
+    </h2>
+    <div>{{ route.description }}</div>
+  </li>
+</ol>
diff --git a/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.scss b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.scss
new file mode 100644
index 000000000..f8e081dc5
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.scss
@@ -0,0 +1,23 @@
+:host {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  margin: 2rem;
+  font-family: 'Helvetica Neue', sans-serif;
+  font-size: 30px;
+
+  ol {
+    margin-block-start: 0;
+
+    h2 {
+      font-size: 1.2em;
+      margin-block-end: 0.5em;
+    }
+  }
+}
+
+@media screen and (max-width: 500px) {
+  :host {
+    font-size: 20px;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.ts b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.ts
new file mode 100644
index 000000000..5a73fbb48
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.component.ts
@@ -0,0 +1,12 @@
+import { ChangeDetectionStrategy, Component, Inject } from '@angular/core';
+import { MENU_ROUTES } from '../../common';
+
+@Component({
+  selector: 'codelab-angular-routes',
+  templateUrl: 'angular-routes.component.html',
+  styleUrls: ['angular-routes.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class AngularRoutesComponent {
+  constructor(@Inject(MENU_ROUTES) readonly menuRoutes) {}
+}
diff --git a/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.module.ts b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.module.ts
new file mode 100644
index 000000000..73a955855
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-routes/angular-routes.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { AngularRoutesComponent } from './angular-routes.component';
+
+@NgModule({
+  imports: [CommonModule, RouterModule],
+  declarations: [AngularRoutesComponent],
+  exports: [AngularRoutesComponent]
+})
+export class AngularRoutesModule {}
diff --git a/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.css b/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.css
new file mode 100644
index 000000000..9c7849792
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.css
@@ -0,0 +1,3 @@
+.runner {
+  display: none;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.html b/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.html
new file mode 100644
index 000000000..4c70cb613
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.html
@@ -0,0 +1,5 @@
+<slides-test-results
+  [result]="result"
+  (selectFile)="selectFile.emit($event)"
+></slides-test-results>
+<div #runner class="runner"></div>
diff --git a/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.ts b/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.ts
new file mode 100644
index 000000000..2ab42e29a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-test-runner/angular-test-runner.component.ts
@@ -0,0 +1,175 @@
+import {
+  AfterViewInit,
+  ChangeDetectorRef,
+  Component,
+  ElementRef,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnDestroy,
+  OnInit,
+  Output,
+  SimpleChanges,
+  ViewChild
+} from '@angular/core';
+import { createSystemJsSandbox } from '@codelab/code-demos/src/lib/shared/sandbox';
+import { ScriptLoaderService } from '@codelab/code-demos/src/lib/shared/script-loader.service';
+import babel_traverse from '@babel/traverse';
+import * as babylon from 'babylon';
+import * as babel_types from 'babel-types';
+import { BehaviorSubject } from 'rxjs/internal/BehaviorSubject';
+import { Subscription } from 'rxjs/internal/Subscription';
+import { getTypeScript } from '@codelab/utils/src/lib/loaders/loaders';
+import { TestRunResult } from '@codelab/utils/src/lib/test-results/common';
+import { handleTestMessage } from './tests';
+
+const ts = getTypeScript();
+
+// TODO(kirjs): This is a duplicate
+export function addMetaInformation(sandbox, files: { [key: string]: string }) {
+  sandbox.evalJs(`System.registry.delete(System.normalizeSync('./code'));`);
+  (sandbox.iframe.contentWindow as any).System.register('code', [], function(
+    exports
+  ) {
+    return {
+      setters: [],
+      execute: function() {
+        exports('ts', ts);
+        exports('babylon', babylon);
+        exports('babel_traverse', babel_traverse);
+        exports('babel_types', babel_types);
+        Object.entries(files)
+          .filter(([moduleName]) => moduleName.match(/\.ts$/))
+          .forEach(([path, code]) => {
+            exports(path.replace(/[\/.-]/gi, '_'), code);
+            exports(
+              path.replace(/[\/.-]/gi, '_') + '_AST',
+              ts.createSourceFile(path, code, ts.ScriptTarget.ES5)
+            );
+          });
+        Object.entries(files)
+          .filter(([moduleName]) => moduleName.match(/\.html/))
+          .forEach(([path, code]) => {
+            const templatePath = path.replace(/[\/.-]/gi, '_');
+            exports(templatePath, code);
+          });
+      }
+    };
+  });
+}
+
+@Component({
+  selector: 'codelab-simple-angular-test-runner',
+  templateUrl: './angular-test-runner.component.html',
+  styleUrls: ['./angular-test-runner.component.css']
+})
+export class SimpleAngularTestRunnerComponent
+  implements OnInit, OnChanges, AfterViewInit, OnDestroy {
+  handleMessageBound: any;
+  @Output() solved: EventEmitter<boolean> = new EventEmitter<boolean>();
+  @Output() public selectFile: EventEmitter<string> = new EventEmitter<
+    string
+  >();
+  @Input() translations: { [key: string]: string } = {};
+  @Input() code: any;
+  @Input() bootstrap: string;
+
+  @ViewChild('runner', { static: false }) runnerElement: ElementRef;
+
+  changedFilesSubject = new BehaviorSubject<Record<string, string>>({});
+  tests: any;
+  private subscription: Subscription;
+  result: TestRunResult = { tests: [] };
+
+  constructor(
+    private scriptLoaderService: ScriptLoaderService,
+    private cd: ChangeDetectorRef
+  ) {}
+
+  ngOnInit() {
+    this.handleMessageBound = message => {
+      this.tests = handleTestMessage(message, this.tests || []);
+
+      this.result = {
+        tests: this.tests.map(test => {
+          const name =
+            this.translations[test.title.replace('@@', '')] || test.title;
+          return { ...test, name, error: test.result };
+        })
+      };
+
+      if (message.data.type === 'testEnd') {
+        this.solved.emit(
+          this.tests.length > 0 && this.tests.every(test => test.pass)
+        );
+      }
+
+      this.cd.markForCheck();
+    };
+    window.addEventListener('message', this.handleMessageBound, false);
+  }
+
+  ngOnChanges(changes: SimpleChanges) {
+    if (changes.code) {
+      this.changedFilesSubject.next(changes.code.currentValue);
+    }
+  }
+
+  async ngAfterViewInit() {
+    const sandbox = await createSystemJsSandbox(
+      this.runnerElement.nativeElement,
+      {
+        id: 'testing',
+        url: '/assets/runner'
+      }
+    );
+
+    sandbox.setHtml(
+      this.code['index.html'] ||
+        '<app-root></app-root><my-app></my-app><div class="error"></div>'
+    );
+
+    sandbox.evalJs(this.scriptLoaderService.getScript('chai'));
+    sandbox.evalJs(this.scriptLoaderService.getScript('mocha'));
+    sandbox.evalJs(this.scriptLoaderService.getScript('test-bootstrap'));
+    sandbox.evalJs(this.scriptLoaderService.getScript('shim'));
+    sandbox.evalJs(this.scriptLoaderService.getScript('zone'));
+    sandbox.evalJs(this.scriptLoaderService.getScript('system-config'));
+    sandbox.evalJs(this.scriptLoaderService.getScript('ng-bundle'));
+
+    this.subscription = this.changedFilesSubject.subscribe(files => {
+      const hasErrors = Object.entries(files)
+        .filter(([path]) => path.match(/\.js$/))
+        .map(([path, code]) => {
+          try {
+            sandbox.evalJs(
+              `System.registry.delete(System.normalizeSync('./${path.replace(
+                '.js',
+                ''
+              )}'));`
+            );
+            addMetaInformation(sandbox, this.code);
+            sandbox.evalJs(code);
+          } catch (e) {
+            console.groupCollapsed(e.message);
+            console.log(e);
+            console.groupEnd();
+            return true;
+          }
+          return false;
+        })
+        .some(a => a);
+
+      if (!hasErrors) {
+        sandbox.evalJs(`System.import('${this.bootstrap}')`);
+      }
+    });
+  }
+
+  ngOnDestroy() {
+    if (this.subscription) {
+      this.subscription.unsubscribe();
+      this.subscription = null;
+    }
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/angular-test-runner/tests.ts b/codelab-master/apps/codelab/src/app/components/angular-test-runner/tests.ts
new file mode 100644
index 000000000..391046d1c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/angular-test-runner/tests.ts
@@ -0,0 +1,27 @@
+export function handleTestMessage(message, tests) {
+  if (!message.data || !message.data.type) {
+    return tests;
+  }
+
+  if (message.data.type === 'testList') {
+    return message.data.tests.map(test => ({
+      title: test
+    }));
+  }
+
+  if (message.data.type === 'testEnd') {
+    return tests;
+  }
+
+  if (message.data.type === 'testResult') {
+    return tests.map(test => {
+      if (test.title === message.data.test.title) {
+        test.pass = message.data.pass;
+        test.result = message.data.result;
+      }
+      return test;
+    });
+  }
+
+  return tests;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-helpers.ts b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-helpers.ts
new file mode 100644
index 000000000..cee8238e5
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-helpers.ts
@@ -0,0 +1,215 @@
+import * as T from 'babel-types';
+import * as babylon from 'babylon';
+import babel_traverse from '@babel/traverse';
+import { getTypeScript } from '@codelab/utils/src/lib/loaders/loaders';
+import * as TsTypes from 'typescript';
+
+const ts = getTypeScript();
+
+function matchesValue(actual, expected) {
+  if (!actual) {
+    return false;
+  }
+  if (expected instanceof RegExp) {
+    return expected.test(actual);
+  }
+
+  return actual.trim() === expected.trim();
+}
+
+export const expectClass = name => ({ node, parent }) =>
+  T.isIdentifier(node, { name }) &&
+  T.isClassDeclaration(parent, { superClass: null });
+
+export const expectExportedClass = name => ({ node, parent, parentPath }) =>
+  expectClass(name)({ node, parent }) &&
+  T.isExportNamedDeclaration(parentPath.parent);
+
+export const expectDecorator = name => ({ node }) =>
+  T.isDecorator(node) && node.expression.callee.name === name;
+
+export const expectDecoratorPropertyStringValue = (
+  decoratorName,
+  keyName,
+  value
+) => path => {
+  function matchesTemplateLiteral() {
+    return (
+      T.isTemplateLiteral(path.node) &&
+      matchesValue(path.node.quasis[0].value.raw, value)
+    );
+  }
+
+  function matchesStringLiteral() {
+    return T.isStringLiteral(path.node) && matchesValue(path.node.value, value);
+  }
+
+  return (
+    (matchesTemplateLiteral() || matchesStringLiteral()) &&
+    T.isObjectProperty(path.parent) &&
+    path.parent.key.name === keyName &&
+    path.findParent(T.isDecorator).node.expression.callee.name === decoratorName
+  );
+};
+
+export function babelTestSuite(filePath, tests) {
+  return function test(files) {
+    const results = tests.map(({ title }) => ({ title, pass: false }));
+    const code = files[filePath];
+
+    const ast = babylon.parse(code, {
+      sourceType: 'module',
+      plugins: ['decorators']
+    });
+
+    babel_traverse(ast, {
+      enter(path) {
+        tests.forEach((testConfig, index) => {
+          try {
+            results[index].pass =
+              results[index].pass || testConfig.condition(path);
+          } catch (e) {
+            console.log(e);
+          }
+        });
+      }
+    });
+
+    return results;
+  };
+}
+
+export type Predicate = (node: TsTypes.Node) => boolean;
+
+export class MiniTsQuery {
+  constructor(private readonly ast: TsTypes.Node) {}
+
+  some(predicate: Predicate) {
+    let result = false;
+
+    this.traverse(this.ast, node => {
+      if (predicate(node)) {
+        result = true;
+      }
+    });
+
+    return result;
+  }
+
+  findOne(predicate) {
+    let result;
+
+    this.traverse(this.ast, node => {
+      if (!result && predicate(node)) {
+        result = node;
+      }
+    });
+
+    return result;
+  }
+
+  hasOne(predicate) {
+    return !!this.findOne(predicate);
+  }
+
+  hasIdentifier(identifier: string) {
+    return !!this.getIdentifier(identifier);
+  }
+
+  getIdentifier(identifier: string) {
+    return this.findOne(
+      node => ts.isIdentifier(node) && node.text === identifier
+    );
+  }
+
+  hasConstructorParam(identifier: string, type: string) {
+    const node = this.findOne(
+      node => ts.isIdentifier(node) && node.text === identifier
+    );
+
+    return node ? node.parent.type.typeName.text === type : undefined;
+  }
+
+  hasVariableDeclaration(identifier: string) {
+    const node = this.getIdentifier(identifier);
+    return node && ts.isVariableDeclaration(node.parent) ? node : undefined;
+  }
+
+  hasDecorator(type: string) {
+    return !!this.getDecorator(type);
+  }
+
+  hasDecoratorValue(decoratorType: string, property: string, type: string) {
+    const decorator = this.getDecorator(decoratorType);
+    if (
+      decorator.expression &&
+      ts.isCallExpression(decorator.expression) &&
+      decorator.expression.arguments &&
+      decorator.expression.arguments[0] &&
+      ts.isObjectLiteralExpression(decorator.expression.arguments[0])
+    ) {
+      return (decorator.expression.arguments[0] as any).properties
+        .filter(prop => prop && prop.name && prop.name.text === property)
+        .some(arrayValue =>
+          arrayValue.initializer.elements.some(a => a.text === type)
+        );
+    }
+    return false;
+  }
+
+  hasProvider(type: string) {
+    return this.hasDecoratorValue('NgModule', 'providers', 'VideoService');
+  }
+
+  getDecorator(type: string): TsTypes.Decorator {
+    return this.findOne(node => {
+      return (
+        ts.isDecorator(node) &&
+        node.expression &&
+        ts.isCallExpression(node.expression) &&
+        node.expression.expression &&
+        ts.isIdentifier(node.expression.expression) &&
+        node.expression.expression.text === type
+      );
+    });
+  }
+
+  private traverse(node, callback) {
+    callback(node);
+    ts.forEachChild(node, node => this.traverse(node, callback));
+  }
+}
+
+export function tsAstTestSuite(tests) {
+  return function test(files) {
+    const results = tests.map(({ title }) => ({ title, pass: false }));
+    const astCache = {};
+
+    function getAst(filePath) {
+      if (!astCache[filePath]) {
+        astCache[filePath] = new MiniTsQuery(
+          ts.createSourceFile(
+            filePath,
+            files[filePath],
+            ts.ScriptTarget.ES2015,
+            /*setParentNodes */ true
+          )
+        );
+      }
+      return astCache[filePath];
+    }
+
+    tests.forEach((testConfig, index) => {
+      try {
+        if (!testConfig.file) {
+          throw new Error('test must specify a file');
+        }
+        results[index].pass =
+          results[index].pass || testConfig.condition(getAst(testConfig.file));
+      } catch (e) {
+        console.log(e);
+      }
+    });
+    return results;
+  };
+}
diff --git a/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.css b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.css
new file mode 100644
index 000000000..9c7849792
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.css
@@ -0,0 +1,3 @@
+.runner {
+  display: none;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.html b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.html
new file mode 100644
index 000000000..4630a70e1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.html
@@ -0,0 +1 @@
+<slides-test-results [result]="result"></slides-test-results>
diff --git a/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.ts b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.ts
new file mode 100644
index 000000000..e14de24b3
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/babel-test-runner/babel-test-runner.component.ts
@@ -0,0 +1,70 @@
+import {
+  AfterViewInit,
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  Output,
+  SimpleChanges
+} from '@angular/core';
+import { TestInfo } from '../../shared/interfaces/test-info';
+import { FileConfig } from '../../shared/interfaces/file-config';
+import { TestRunResult } from '@codelab/utils/src/lib/test-results/common';
+
+declare const require;
+
+@Component({
+  selector: 'codelab-babel-test-runner',
+  templateUrl: './babel-test-runner.component.html',
+  styleUrls: ['./babel-test-runner.component.css']
+})
+export class BabelTestRunnerComponent implements AfterViewInit, OnChanges {
+  @Input() bootstrap: string;
+  tests: Array<TestInfo> = [];
+  @Input() translations: { [key: string]: string } = {};
+  @Input() code: any;
+  @Output() solved: EventEmitter<boolean> = new EventEmitter<boolean>();
+
+  constructor() {}
+
+  result: TestRunResult = { tests: [] };
+
+  ngOnChanges(changes: SimpleChanges) {
+    if (changes.code) {
+      this.run(this.code);
+    }
+  }
+
+  run(files: any) {
+    const test = files[this.bootstrap + '.ts.execute'];
+    try {
+      this.tests = test(files);
+      this.result = {
+        tests: this.tests.map(test => {
+          const name =
+            this.translations[test.title.replace('@@', '')] || test.title;
+
+          return {
+            ...test,
+            name,
+            error: test.result,
+            pass: !!test.pass
+          };
+        })
+      };
+
+      const isSolved = this.result.tests.every(a => a.pass);
+      this.solved.emit(isSolved);
+    } catch (e) {
+      this.tests.find(t => !t.pass).result = '[Parsing error]' + e;
+    }
+  }
+
+  selectFile(file: FileConfig) {
+    // this.parent.currentFile = file;
+  }
+
+  ngAfterViewInit(): void {
+    // this.parent.files$.subscribe(files => requestAnimationFrame(() => this.run(files)));
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.css b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.css
new file mode 100644
index 000000000..93fd784f6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.css
@@ -0,0 +1,13 @@
+a {
+  text-decoration: none;
+  font-weight: 300;
+}
+
+span {
+  cursor: pointer;
+}
+
+span.arrow {
+  font-size: 0.5em;
+  vertical-align: middle;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.html b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.html
new file mode 100644
index 000000000..9fe1e6beb
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.html
@@ -0,0 +1,20 @@
+<h1>
+  <a routerLink="/">Angular Codelab</a> {{ separator }}
+  <span [matMenuTriggerFor]="menu">
+    {{ active }} <span class="arrow">▼</span>
+  </span>
+  {{ separator }}
+  <ng-content></ng-content>
+</h1>
+
+<mat-menu #menu="matMenu">
+  <a
+    *ngFor="let milestone of menuRoutes"
+    #link="routerLinkActive"
+    routerLinkActive
+    mat-menu-item
+    [disabled]="link.isActive"
+    [routerLink]="['../..', milestone.path]"
+    >{{ milestone.name }}
+  </a>
+</mat-menu>
diff --git a/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.spec.ts b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.spec.ts
new file mode 100644
index 000000000..e9e2511a6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.spec.ts
@@ -0,0 +1,40 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BreadcrumbComponent } from './breadcrumb.component';
+import { ActivatedRoute } from '@angular/router';
+import { MENU_ROUTES } from '../../common';
+import { CodelabComponentsModule } from '../codelab-components.module';
+import { RouterTestingModule } from '@angular/router/testing';
+
+describe('BreadcrumbComponent', () => {
+  let component: BreadcrumbComponent;
+  let fixture: ComponentFixture<BreadcrumbComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [CodelabComponentsModule, RouterTestingModule],
+      providers: [
+        {
+          provide: ActivatedRoute,
+          useValue: {
+            pathFromRoot: [{ routeConfig: { name: 'lol' } }]
+          }
+        },
+        {
+          provide: MENU_ROUTES,
+          useValue: []
+        }
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BreadcrumbComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.ts b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.ts
new file mode 100644
index 000000000..5932fb1ae
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/breadcrumb/breadcrumb.component.ts
@@ -0,0 +1,22 @@
+import { Component, Inject } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { MENU_ROUTES } from '../../common';
+
+@Component({
+  selector: 'codelab-breadcrumb',
+  templateUrl: './breadcrumb.component.html',
+  styleUrls: ['./breadcrumb.component.css']
+})
+export class BreadcrumbComponent {
+  active: string;
+  readonly separator = '/';
+
+  constructor(
+    private activatedRoute: ActivatedRoute,
+    @Inject(MENU_ROUTES) readonly menuRoutes
+  ) {
+    this.active = this.activatedRoute.pathFromRoot.find(
+      route => route.routeConfig && route.routeConfig['name']
+    ).routeConfig['name'];
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.html b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.html
new file mode 100644
index 000000000..cf0620136
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.html
@@ -0,0 +1,7 @@
+<header class="btn-bar">
+  <codelab-login-widget *canLoadAdmin></codelab-login-widget>
+  <codelab-menu-fullscreen-widget></codelab-menu-fullscreen-widget>
+  <codelab-menu-github-widget></codelab-menu-github-widget>
+  <feedback-widget></feedback-widget>
+  <codelab-menu-shortcut-widget></codelab-menu-shortcut-widget>
+</header>
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.scss b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.scss
new file mode 100644
index 000000000..4a8fc6119
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.scss
@@ -0,0 +1,42 @@
+:host ::ng-deep {
+  .btn-bar {
+    z-index: 110;
+  }
+
+  button:focus {
+    outline: 0;
+  }
+
+  .menu-bar-btn {
+    width: 45px;
+    height: 45px;
+    border-radius: 50%;
+    background: no-repeat center white;
+    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
+    margin-left: 10px;
+    cursor: pointer;
+    border: none;
+    padding: 0;
+  }
+}
+
+::ng-deep {
+  .modal-title {
+    margin: 0 0 10px 0;
+  }
+
+  .buttons-nav-bar-modal-content-wrapper {
+    padding: 8px;
+    font-weight: 300;
+    font-family: 'Helvetica Neue', sans-serif;
+  }
+
+  @media screen and (max-width: 350px) {
+    .cdk-overlay-pane {
+      width: 100%;
+    }
+    .buttons-nav-bar-modal-content-wrapper {
+      width: 100%;
+    }
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.ts
new file mode 100644
index 000000000..e2252579d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-buttons-nav-bar',
+  templateUrl: './buttons-nav-bar.component.html',
+  styleUrls: ['./buttons-nav-bar.component.scss']
+})
+export class ButtonsNavBarComponent {}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.module.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.module.ts
new file mode 100644
index 000000000..6686c061c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.module.ts
@@ -0,0 +1,29 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { ButtonsNavBarComponent } from './buttons-nav-bar.component';
+import { FeedbackModule } from '@codelab/feedback';
+import { FirebaseLoginModule } from '@codelab/firebase-login';
+import { MenuGithubWidgetModule } from './menu-github-widget/menu-github-widget.module';
+import { MenuShortcutWidgetModule } from './menu-shortcut-widget/menu-shortcut-widget.module';
+import { MenuFullscreenWidgetComponent } from './menu-fullscreen-widget/menu-fullscreen-widget.component';
+import { DirectivesModule } from '../../directives/directives.module';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    FeedbackModule,
+    FirebaseLoginModule,
+    MenuGithubWidgetModule,
+    MenuShortcutWidgetModule,
+    DirectivesModule
+  ],
+  declarations: [ButtonsNavBarComponent, MenuFullscreenWidgetComponent],
+  exports: [
+    ButtonsNavBarComponent,
+    FeedbackModule,
+    FirebaseLoginModule,
+    MenuGithubWidgetModule,
+    MenuShortcutWidgetModule
+  ]
+})
+export class ButtonsNavBarModule {}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.html b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.html
new file mode 100644
index 000000000..a5f77cf56
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.html
@@ -0,0 +1,3 @@
+<button class="menu-bar-btn" (click)="openFullScreen()">
+  <img alt="Toggle Fullscreen" src="/assets/images/icons/fullscreen.png" />
+</button>
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.scss b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.scss
new file mode 100644
index 000000000..a6c31c91f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.scss
@@ -0,0 +1,15 @@
+.menu-bar-btn {
+  width: 45px;
+  height: 45px;
+  border-radius: 50%;
+  background: no-repeat center #ecf0f1;
+  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
+  margin-left: 10px;
+  cursor: pointer;
+  border: none;
+  padding: 0;
+
+  img {
+    width: 60%;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.spec.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.spec.ts
new file mode 100644
index 000000000..d33c10775
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MenuFullscreenWidgetComponent } from './menu-fullscreen-widget.component';
+
+describe('MenuFullscreenWidgetComponent', () => {
+  let component: MenuFullscreenWidgetComponent;
+  let fixture: ComponentFixture<MenuFullscreenWidgetComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [MenuFullscreenWidgetComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(MenuFullscreenWidgetComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.ts
new file mode 100644
index 000000000..54304ea3c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-fullscreen-widget/menu-fullscreen-widget.component.ts
@@ -0,0 +1,15 @@
+import { Component } from '@angular/core';
+import { FullScreenModeService } from '@ng360/slides';
+
+@Component({
+  selector: 'codelab-menu-fullscreen-widget',
+  templateUrl: './menu-fullscreen-widget.component.html',
+  styleUrls: ['./menu-fullscreen-widget.component.scss']
+})
+export class MenuFullscreenWidgetComponent {
+  constructor(private fullScreenService: FullScreenModeService) {}
+
+  openFullScreen() {
+    this.fullScreenService.toggleFullScreen();
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/images/octocat.png b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/images/octocat.png
new file mode 100644
index 000000000..edbc6f359
Binary files /dev/null and b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/images/octocat.png differ
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.css b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.css
new file mode 100644
index 000000000..e18fab01c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.css
@@ -0,0 +1,39 @@
+.menu-bar-btn.github-widget {
+  background-color: white;
+}
+
+img {
+  width: 100%;
+}
+
+.octocat {
+  float: left;
+  width: 224px;
+  margin: 0 auto;
+  height: 224px;
+  background: url(images/octocat.png) no-repeat;
+  margin-right: 16px;
+}
+
+.content {
+  float: right;
+  width: 250px;
+}
+
+@media screen and (max-width: 350px) {
+  .octocat {
+    float: none;
+    margin: 5px auto;
+    display: block;
+  }
+
+  .content {
+    margin: 0 auto;
+    float: none;
+    text-align: center;
+  }
+}
+
+h3 {
+  font-weight: 300;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.html b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.html
new file mode 100644
index 000000000..dbac1cb56
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.html
@@ -0,0 +1,19 @@
+<button class="menu-bar-btn github-widget" [matMenuTriggerFor]="menu">
+  <img alt="GitHub" src="/assets/images/icons/github-icon.png" />
+</button>
+
+<mat-menu #menu="matMenu">
+  <div class="buttons-nav-bar-modal-content-wrapper">
+    <div class="octocat"></div>
+    <div class="content">
+      <h2 class="modal-title" i18n>This Codelab is written in Angular!</h2>
+      <h3 i18n>
+        It's 100% open-source and is available on
+        <a target="_blank" href="https://github.com/codelab-fun/codelab">
+          Github
+        </a>
+      </h3>
+      <h3 i18n>Please ⭐ the repo if you find it useful.</h3>
+    </div>
+  </div>
+</mat-menu>
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.ts
new file mode 100644
index 000000000..4d5d2bc1a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-menu-github-widget',
+  templateUrl: './menu-github-widget.component.html',
+  styleUrls: ['./menu-github-widget.component.css']
+})
+export class MenuGithubWidgetComponent {}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.module.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.module.ts
new file mode 100644
index 000000000..6151822bf
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { MatMenuModule } from '@angular/material/menu';
+import { MenuGithubWidgetComponent } from './menu-github-widget.component';
+
+@NgModule({
+  imports: [CommonModule, MatMenuModule],
+  declarations: [MenuGithubWidgetComponent],
+  exports: [MenuGithubWidgetComponent]
+})
+export class MenuGithubWidgetModule {}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.css b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.css
new file mode 100644
index 000000000..163b29dab
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.css
@@ -0,0 +1,22 @@
+.menu-bar-btn.index-menu {
+  background-color: #ff594b;
+}
+
+ul,
+li {
+  margin: 0;
+  padding: 0;
+  list-style-type: none;
+}
+
+a {
+  text-decoration: none;
+  cursor: pointer;
+  display: block;
+  padding: 6px 10px;
+}
+
+a:hover {
+  background-color: #982a2a;
+  color: white;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.html b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.html
new file mode 100644
index 000000000..8895bb0e8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.html
@@ -0,0 +1,16 @@
+<button class="menu-bar-btn index-menu" [matMenuTriggerFor]="menu">
+  <img alt="MenuShortcut" src="/assets/images/home.png" />
+</button>
+
+<mat-menu #menu="matMenu">
+  <div class="buttons-nav-bar-modal-content-wrapper">
+    <ul>
+      <li><a routerLink="/">🏡 Index </a></li>
+      <li *ngFor="let navigationRoute of menuRoutes">
+        <a [routerLink]="['/angular', navigationRoute['path']]">
+          {{ navigationRoute['name'] }}
+        </a>
+      </li>
+    </ul>
+  </div>
+</mat-menu>
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.ts
new file mode 100644
index 000000000..fd7bcdcee
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.component.ts
@@ -0,0 +1,11 @@
+import { Component, Inject } from '@angular/core';
+import { MENU_ROUTES } from '../../../common';
+
+@Component({
+  selector: 'codelab-menu-shortcut-widget',
+  templateUrl: './menu-shortcut-widget.component.html',
+  styleUrls: ['./menu-shortcut-widget.component.css']
+})
+export class MenuShortcutWidgetComponent {
+  constructor(@Inject(MENU_ROUTES) readonly menuRoutes) {}
+}
diff --git a/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.module.ts b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.module.ts
new file mode 100644
index 000000000..205a2436a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/buttons-nav-bar/menu-shortcut-widget/menu-shortcut-widget.module.ts
@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { MatMenuModule } from '@angular/material/menu';
+import { MenuShortcutWidgetComponent } from './menu-shortcut-widget.component';
+
+@NgModule({
+  imports: [CommonModule, RouterModule, MatMenuModule],
+  declarations: [MenuShortcutWidgetComponent],
+  exports: [MenuShortcutWidgetComponent]
+})
+export class MenuShortcutWidgetModule {}
diff --git a/codelab-master/apps/codelab/src/app/components/codelab-components.module.ts b/codelab-master/apps/codelab/src/app/components/codelab-components.module.ts
new file mode 100644
index 000000000..5923330f2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/codelab-components.module.ts
@@ -0,0 +1,62 @@
+import { NgModule } from '@angular/core';
+import { CodelabExerciseComponent } from './exercise/exercise.component';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { MatButtonModule } from '@angular/material/button';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatSelectModule } from '@angular/material/select';
+import { RouterModule } from '@angular/router';
+import { DirectivesModule } from '../directives/directives.module';
+import { TitleSlideComponent } from './slides/title-slide/title-slide.component';
+import { CodelabClosingSlideComponent } from './slides/closing-slide/codelab-closing-slide.component';
+import { CodelabExercisePreviewComponent } from './exercise-preview/exercise-preview.component';
+import { CodelabExercisePlaygroundComponent } from './exercise-playground/codelab-exercise-playground.component';
+import { CodelabProgressBarComponent } from './codelab-progress-bar/codelab-progress-bar.component';
+import { BabelTestRunnerComponent } from './babel-test-runner/babel-test-runner.component';
+import { CodelabRippleAnimationComponent } from './slides/title-slide/ripple-animation/codelab-ripple-animation.component';
+import { SimpleAngularTestRunnerComponent } from './angular-test-runner/angular-test-runner.component';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { CodelabPreviewComponent } from './slides-preview/codelab-preview.component';
+import { BreadcrumbComponent } from './breadcrumb/breadcrumb.component';
+import { TestResultsModule } from '@codelab/utils/src/lib/test-results/test-results.module';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    FormsModule,
+    RouterModule,
+    CodeDemoModule,
+    MatButtonModule,
+    MatMenuModule,
+    MatSelectModule,
+    TestResultsModule,
+    DirectivesModule
+  ],
+  declarations: [
+    SimpleAngularTestRunnerComponent,
+    TitleSlideComponent,
+    BabelTestRunnerComponent,
+    BreadcrumbComponent,
+    CodelabExerciseComponent,
+    CodelabPreviewComponent,
+    CodelabClosingSlideComponent,
+    CodelabExercisePreviewComponent,
+    CodelabExercisePlaygroundComponent,
+    CodelabProgressBarComponent,
+    CodelabRippleAnimationComponent
+  ],
+  exports: [
+    SimpleAngularTestRunnerComponent,
+    TitleSlideComponent,
+    BabelTestRunnerComponent,
+    BreadcrumbComponent,
+    CodelabExerciseComponent,
+    CodelabPreviewComponent,
+    CodelabClosingSlideComponent,
+    CodelabExercisePreviewComponent,
+    CodelabExercisePlaygroundComponent,
+    CodelabProgressBarComponent,
+    CodelabRippleAnimationComponent
+  ]
+})
+export class CodelabComponentsModule {}
diff --git a/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.css b/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.css
new file mode 100644
index 000000000..eab6a02ec
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.css
@@ -0,0 +1,48 @@
+.progress-bar {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 1;
+}
+
+.points-container {
+  display: flex;
+  height: 25px;
+}
+
+.points-container:hover .slide-block {
+  transition-duration: 0.5s;
+  height: 15px;
+}
+
+.slide-block {
+  flex-grow: 1;
+  height: 3px;
+  transition-duration: 0.5s;
+  background: #abb7b7;
+}
+
+.slide-block:hover {
+  background: #dadfe1;
+}
+
+.exercise-block {
+  background: #d35400;
+}
+
+.exercise-block:hover {
+  background: #f9690e;
+}
+
+.completed-slide {
+  background: #f89406;
+}
+
+.completed-slide:hover {
+  background: #e9d460;
+}
+
+.completed-slide.exercise-block {
+  background: #e67e22;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.html b/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.html
new file mode 100644
index 000000000..ef3ecf24d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.html
@@ -0,0 +1,11 @@
+<div class="progress-bar" *ngIf="slides.length">
+  <div class="points-container" #progressBarDiv>
+    <div
+      class="slide-block"
+      *ngFor="let slide of slides; let i = index"
+      [class.exercise-block]="slide.isExercise"
+      [class.completed-slide]="i <= activeSlideIndex"
+      (click)="goToSlide(i)"
+    ></div>
+  </div>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.ts b/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.ts
new file mode 100644
index 000000000..7b3ab8ef2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/codelab-progress-bar/codelab-progress-bar.component.ts
@@ -0,0 +1,37 @@
+import { AfterViewInit, Component } from '@angular/core';
+import { SlidesDeckComponent } from '@ng360/slides';
+
+@Component({
+  selector: 'codelab-progress-bar',
+  templateUrl: './codelab-progress-bar.component.html',
+  styleUrls: ['./codelab-progress-bar.component.css']
+})
+export class CodelabProgressBarComponent implements AfterViewInit {
+  slides = [];
+  activeSlideIndex = 0;
+  tempSlideId = 0;
+
+  constructor(public deck: SlidesDeckComponent) {}
+
+  ngAfterViewInit() {
+    // Change detection complains if updating it right away.
+    requestAnimationFrame(() => {
+      this.slides = this.deck.slides;
+      this.activeSlideIndex = this.deck.activeSlideIndex;
+    });
+
+    this.deck.slideChange.subscribe(index => {
+      this.activeSlideIndex = index;
+    });
+  }
+
+  previewSlide(index) {
+    this.tempSlideId = this.activeSlideIndex;
+    this.deck.goToSlide(index);
+  }
+
+  goToSlide(index) {
+    this.deck.goToSlide(index);
+    this.tempSlideId = this.activeSlideIndex;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/css/codelab-styles.scss b/codelab-master/apps/codelab/src/app/components/css/codelab-styles.scss
new file mode 100644
index 000000000..df5494111
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/css/codelab-styles.scss
@@ -0,0 +1,4 @@
+code-demo-file-path {
+  display: block;
+  margin: 1px 0;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.css b/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.css
new file mode 100644
index 000000000..4cef8a0ce
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.css
@@ -0,0 +1,4 @@
+:host {
+  display: flex;
+  flex-direction: column;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.html b/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.html
new file mode 100644
index 000000000..c443a9f6d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.html
@@ -0,0 +1,32 @@
+<codelab-simple-angular-test-runner
+  *ngIf="bootstrapTest"
+  [translations]="translations"
+  (selectFile)="files = [$event]"
+  [bootstrap]="bootstrapTest"
+  [code]="files$ | async"
+></codelab-simple-angular-test-runner>
+<div style=" display: flex;height: 100%;">
+  <div style="width: 50%;flex-grow: 0; display: flex;">
+    <div *ngIf="path" style="margin-left: 20px;color: red;">{{ path }}</div>
+    <code-demo-multitab-editor
+      style="width: 100%"
+      [displayFileName]="true"
+      [allowSwitchingFiles]="allowSwitchingFiles"
+      [highlights]="highlights"
+      class="quarter"
+      [files]="files"
+      [solutions]="solutions"
+      [(ngModel)]="code"
+      (ngModelChange)="update($event)"
+    ></code-demo-multitab-editor>
+  </div>
+
+  <code-demo-runner
+    [url]="url"
+    style="width: 50%;flex-grow: 0"
+    [ui]="ui"
+    [presets]="presets"
+    [bootstrap]="bootstrap"
+    [code]="files$ | async"
+  ></code-demo-runner>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.ts b/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.ts
new file mode 100644
index 000000000..e594dee53
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise-playground/codelab-exercise-playground.component.ts
@@ -0,0 +1,14 @@
+import { Component, Input } from '@angular/core';
+import { CodelabExerciseComponent } from '../exercise/exercise.component';
+import { PreviewWindowType } from '@codelab/browser/src/lib/preview-window/preview-window.component';
+
+@Component({
+  selector: 'codelab-exercise-playground',
+  templateUrl: 'codelab-exercise-playground.component.html',
+  styleUrls: ['codelab-exercise-playground.component.css']
+})
+export class CodelabExercisePlaygroundComponent extends CodelabExerciseComponent {
+  @Input() allowSwitchingFiles = false;
+  @Input() path = '';
+  @Input() ui: PreviewWindowType = 'browser';
+}
diff --git a/codelab-master/apps/codelab/src/app/components/exercise-preview/exercise-preview.component.html b/codelab-master/apps/codelab/src/app/components/exercise-preview/exercise-preview.component.html
new file mode 100644
index 000000000..f847459cd
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise-preview/exercise-preview.component.html
@@ -0,0 +1,8 @@
+<code-demo-runner
+  [url]="url"
+  style="width: 50%;flex-grow: 0"
+  [presets]="presets"
+  [bootstrap]="bootstrap"
+  *ngIf="files$ | async as files"
+  [code]="files"
+></code-demo-runner>
diff --git a/codelab-master/apps/codelab/src/app/components/exercise-preview/exercise-preview.component.ts b/codelab-master/apps/codelab/src/app/components/exercise-preview/exercise-preview.component.ts
new file mode 100644
index 000000000..f8b1d490e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise-preview/exercise-preview.component.ts
@@ -0,0 +1,21 @@
+import { Component, Input } from '@angular/core';
+import {
+  CodelabExerciseComponent,
+  extractSolutions
+} from '../exercise/exercise.component';
+import { convertExerciseToMap } from '../../../../../../ng2ts/ng2ts';
+
+@Component({
+  selector: 'codelab-exercise-preview',
+  templateUrl: 'exercise-preview.component.html'
+  // styleUrls: ['../exercise/code-demo-code-demo.component.css'],
+})
+export class CodelabExercisePreviewComponent extends CodelabExerciseComponent {
+  @Input() set exercise(exercise) {
+    const map = convertExerciseToMap(exercise);
+    this.filesConfig = exercise;
+    this.bootstrap = map.bootstrap;
+    this.code = extractSolutions(exercise.files);
+    this.update(this.code);
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.css b/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.css
new file mode 100644
index 000000000..a0079869d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.css
@@ -0,0 +1,24 @@
+.quarter {
+  width: 50vw;
+  height: 50vh;
+}
+
+.row {
+  display: flex;
+}
+
+.tests {
+  padding: 0.5vw;
+  box-sizing: border-box;
+  overflow-y: auto;
+}
+
+.solved-message {
+  margin-top: 16px;
+}
+
+.solved-message img {
+  display: block;
+  height: 280px;
+  margin-top: 16px;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.html b/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.html
new file mode 100644
index 000000000..6a53f3106
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.html
@@ -0,0 +1,52 @@
+<div *ngIf="code">
+  <div class="row">
+    <code-demo-multitab-editor
+      [codeDemoHighlight]="codeDemoHighlight"
+      class="quarter"
+      [autoSize]="false"
+      [files]="files"
+      [solutions]="solutions"
+      [(ngModel)]="code"
+      (ngModelChange)="update($event)"
+    ></code-demo-multitab-editor>
+    <div class="quarter tests">
+      <ng-content select=".description"></ng-content>
+      <codelab-simple-angular-test-runner
+        *ngIf="testRunner === 'iframe'"
+        [translations]="translations"
+        (selectFile)="files = [$event]"
+        [bootstrap]="bootstrapTest"
+        [code]="files$ | async"
+        (solved)="isSolved = $event"
+      ></codelab-simple-angular-test-runner>
+
+      <codelab-babel-test-runner
+        *ngIf="testRunner === 'babel'"
+        [translations]="translations"
+        [bootstrap]="bootstrapTest"
+        (solved)="isSolved = $event; showDogs()"
+        [code]="code"
+      ></codelab-babel-test-runner>
+      <div *ngIf="isSolved" class="solved-message">
+        <button mat-button i18n nextSlide>
+          Well done! Now you can go to the next slide
+        </button>
+        <img
+          src="/assets/images/well_done.gif"
+          i18n-alt
+          alt="Happy dogs celebrating your success"
+        />
+      </div>
+    </div>
+  </div>
+  <div class="row">
+    <codelab-preview class="quarter" [milestone]="milestone"></codelab-preview>
+    <code-demo-runner
+      class="quarter"
+      [url]="url"
+      [presets]="presets"
+      [bootstrap]="bootstrap"
+      [code]="files$ | async"
+    ></code-demo-runner>
+  </div>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.ts b/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.ts
new file mode 100644
index 000000000..acc0331a2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/exercise/exercise.component.ts
@@ -0,0 +1,70 @@
+import { ChangeDetectorRef, Component, Input } from '@angular/core';
+import { convertExerciseToMap } from '../../../../../../ng2ts/ng2ts';
+import { CodeDemoComponent } from '@codelab/code-demos/src/lib/code-demo/code-demo.component';
+
+function filterByFileType(type: string, files: Record<string, string>) {
+  return Object.entries(files).reduce((changedFiles, [path, code]) => {
+    if (path.match(new RegExp(`\\\.${type}$`))) {
+      changedFiles[path] = code;
+    }
+    return changedFiles;
+  }, {});
+}
+
+export function extractSolutions(files: any[]) {
+  return files.reduce((result, file) => {
+    if (file.solution) {
+      result[file.path] = file.solution || file.template;
+    }
+
+    return result;
+  }, {});
+}
+
+export function getChanges(current, previous) {
+  return Object.keys(current).reduce((changedFiles, path) => {
+    if (current[path] !== previous[path]) {
+      changedFiles[path] = current[path];
+    }
+    return changedFiles;
+  }, {});
+}
+
+@Component({
+  selector: 'codelab-exercise',
+  templateUrl: 'exercise.component.html',
+  styleUrls: ['./exercise.component.css']
+})
+export class CodelabExerciseComponent extends CodeDemoComponent {
+  isSolved = false;
+
+  constructor(private readonly cdr: ChangeDetectorRef) {
+    super();
+  }
+
+  showDogs() {
+    this.cdr.markForCheck();
+  }
+
+  @Input() set exercise(exercise) {
+    const map = convertExerciseToMap(exercise);
+
+    if (!this.highlights) {
+      this.highlights = map.highlights;
+    }
+    this.bootstrap = map.bootstrap;
+    this.bootstrapTest = map.bootstrapTest;
+    if (!this.files) {
+      this.files = [exercise.files[this.openFileIndex].path];
+    }
+    this.filesConfig = exercise;
+    this.solutions = extractSolutions(this.filesConfig.files);
+    this.code = map.code;
+    this.update(map.code);
+  }
+
+  retrieveFile(file, code) {
+    const f = this.filesConfig.files.find(f => f.path === file);
+    return (f.before || '') + code + (f.after || '');
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/external-link-directive/external-link-directive.directive.spec.ts b/codelab-master/apps/codelab/src/app/components/external-link-directive/external-link-directive.directive.spec.ts
new file mode 100644
index 000000000..8c3e29e95
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/external-link-directive/external-link-directive.directive.spec.ts
@@ -0,0 +1,10 @@
+import { ExternalLinkDirectiveDirective } from './external-link-directive.directive';
+
+describe('ExternalLinkDirectiveDirective', () => {
+  it('should create an instance', () => {
+    const directive = new ExternalLinkDirectiveDirective({
+      nativeElement: document.createElement('a')
+    });
+    expect(directive).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/components/external-link-directive/external-link-directive.directive.ts b/codelab-master/apps/codelab/src/app/components/external-link-directive/external-link-directive.directive.ts
new file mode 100644
index 000000000..4cdb070da
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/external-link-directive/external-link-directive.directive.ts
@@ -0,0 +1,12 @@
+import { Directive, Input, ElementRef } from '@angular/core';
+
+@Directive({
+  // tslint:disable-next-line
+  selector: '[href]'
+})
+// TODO(meinou): Remove the second postfix
+export class ExternalLinkDirectiveDirective {
+  constructor({ nativeElement }: ElementRef) {
+    nativeElement.target = '_blank';
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/index/index.component.html b/codelab-master/apps/codelab/src/app/components/index/index.component.html
new file mode 100644
index 000000000..9caadc087
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/index/index.component.html
@@ -0,0 +1,75 @@
+<div #translations style="display: none">
+  <div i18n="@@createFirstNgApp" id="createFirstNgApp">
+    Create your first Angular app
+  </div>
+  <div i18n="@@templates" id="templates">Templates</div>
+  <div i18n="@@dependencyInjection" id="dependencyInjection">
+    Dependency-Injection
+  </div>
+  <div i18n="@@componentTree" id="componentTree">Component-Tree</div>
+  <div i18n="@@customEvents" id="customEvents">Custom-Events</div>
+  <div i18n="@@angularWrittenInTypeScript" id="angularWrittenInTypeScript">
+    Angular is written in TypeScript, a superset of JavaScript. Learn
+    TypeScript.
+  </div>
+  <div i18n="@@learnHowToBootstrapApp" id="learnHowToBootstrapApp">
+    Learn how to create and bootstrap your first Angular application
+  </div>
+  <div i18n="@@learnUsingTemplates" id="learnUsingTemplates">
+    Learn how to use Angular templates
+  </div>
+  <div i18n="@@learnToProvideDependencies" id="learnToProvideDependencies">
+    Learn how to provide dependencies to your code instead of hard-coding them
+  </div>
+  <div
+    i18n="@@learnToStructureAppWithReusableComponents"
+    id="learnToStructureAppWithReusableComponents"
+  >
+    Learn how to structure your app with reusable components
+  </div>
+  <div i18n="@@learnToBindToEvents" id="learnToBindToEvents">
+    Learn to bind to events.
+  </div>
+</div>
+
+<slide-deck>
+  <codelab-sync-survey></codelab-sync-survey>
+  <codelab-buttons-nav-bar></codelab-buttons-nav-bar>
+
+  <div *slide id="index">
+    <h1 i18n>Angular Codelab</h1>
+    <h2 i18n>
+      Welcome to the interactive Angular Codelab. Here you can learn the basics
+      of <a href="https://angular.io">Angular</a>!
+    </h2>
+    <div class="play">
+      <button
+        class="learn-box typescript"
+        [routerLink]="['/angular', 'typescript', 'intro']"
+      >
+        <span aria-hidden="true">▶</span>
+        <div>
+          <div class="title" i18n>Learn TypeScript</div>
+          <div class="hint" i18n>Skip if you're familiar with TypeScript</div>
+        </div>
+        <img src="/assets/images/ts.png" alt="TypeScript logo" class="" />
+      </button>
+      <button routerLink="/angular/create-first-app/intro" class="learn-box">
+        <span aria-hidden="true">▶</span>
+        <div i18n>Learn Angular</div>
+        <img
+          src="/assets/images/angular.png"
+          alt="Angular logo"
+          class="angular"
+        />
+      </button>
+    </div>
+
+    <button class="contents" (click)="showContents = !showContents" i18n>
+      Or click here to see full contents...
+    </button>
+    <ng-container *ngIf="showContents">
+      <codelab-angular-routes></codelab-angular-routes>
+    </ng-container>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/codelab/src/app/components/index/index.component.scss b/codelab-master/apps/codelab/src/app/components/index/index.component.scss
new file mode 100644
index 000000000..844fb6086
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/index/index.component.scss
@@ -0,0 +1,104 @@
+.intro li a:hover {
+  text-decoration: underline;
+}
+
+.intro li a {
+  text-decoration: none;
+  color: #888;
+}
+
+.intro ul {
+  margin: 0;
+  padding: 0;
+}
+
+.intro li {
+  margin: 0;
+  padding: 0;
+  padding-left: 21px;
+  font-size: 1.3vw;
+  margin-bottom: 16px;
+}
+
+.intro li h2 {
+  font-size: 2vw;
+}
+
+.feedback-shift {
+  position: fixed;
+  right: 107px;
+  bottom: 1vh;
+}
+
+img .angular {
+  width: 30vw;
+}
+
+.learn-box:hover {
+  background: #eee;
+}
+
+.title {
+  color: #444;
+}
+
+.hint {
+  color: #666;
+  font-size: 3vw;
+}
+
+.learn-box.typescript {
+  opacity: 0.8;
+}
+
+.learn-box {
+  display: flex;
+  width: 100%;
+  font-size: 7vw;
+  justify-content: space-between;
+  background: #fafafa;
+  padding: 2vw;
+  margin-bottom: 2vw;
+  cursor: pointer;
+  border: 1px #999 solid;
+  border-radius: 10px;
+}
+
+.learn-box img {
+  width: 10vw;
+  height: 10vw;
+  font-size: 10px;
+}
+
+::ng-deep .slide {
+  display: block;
+}
+
+.play {
+  margin: 4vw 0;
+}
+
+.contents {
+  border-bottom: 1px #999 dashed;
+  display: inline-block;
+  cursor: pointer;
+  min-height: 20px;
+}
+
+::ng-deep {
+  .btn-bar {
+    z-index: 110;
+  }
+
+  .menu-bar-btn {
+    width: 45px;
+    height: 45px;
+    border-radius: 50%;
+    background: no-repeat center #3498db;
+    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
+    margin-left: 10px;
+    cursor: pointer;
+    border: none;
+    padding: 0;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/index/index.component.ts b/codelab-master/apps/codelab/src/app/components/index/index.component.ts
new file mode 100644
index 000000000..3e428730b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/index/index.component.ts
@@ -0,0 +1,12 @@
+import { Component, ViewChild } from '@angular/core';
+
+@Component({
+  selector: 'codelab-slides-index',
+  templateUrl: './index.component.html',
+  styleUrls: ['./index.component.scss']
+})
+export class IndexComponent {
+  @ViewChild('translations', { static: false }) translations;
+
+  showContents: boolean;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/index/index.module.ts b/codelab-master/apps/codelab/src/app/components/index/index.module.ts
new file mode 100644
index 000000000..4ef7ff965
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/index/index.module.ts
@@ -0,0 +1,26 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { MatCardModule } from '@angular/material/card';
+import { SlidesModule } from '@ng360/slides';
+import { IndexComponent } from './index.component';
+import { ButtonsNavBarModule } from '../buttons-nav-bar/buttons-nav-bar.module';
+import { CodelabComponentsModule } from '../codelab-components.module';
+import { SyncModule } from '../../sync/sync.module';
+import { AngularRoutesModule } from '../angular-routes/angular-routes.module';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    RouterModule,
+    ButtonsNavBarModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    MatCardModule,
+    SyncModule,
+    AngularRoutesModule
+  ],
+  declarations: [IndexComponent],
+  exports: [IndexComponent]
+})
+export class IndexModule {}
diff --git a/libs/utils/src/lib/sync/components/questions/questions-admin/questions-admin.component.css b/codelab-master/apps/codelab/src/app/components/login/login.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/questions/questions-admin/questions-admin.component.css
rename to codelab-master/apps/codelab/src/app/components/login/login.component.css
diff --git a/codelab-master/apps/codelab/src/app/components/login/login.component.html b/codelab-master/apps/codelab/src/app/components/login/login.component.html
new file mode 100644
index 000000000..414967fd6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/login/login.component.html
@@ -0,0 +1,11 @@
+<mat-card *ngIf="(loginService.isAnonymous$ | async) === false; else userInfo">
+  <mat-card-content *ngIf="loginService.user$ | async as user">
+    <div>user: {{ user.displayName || user.email }}</div>
+    <div>uid: {{ loginService.uid$ | async }}</div>
+  </mat-card-content>
+</mat-card>
+<ng-template #userInfo>
+  <button mat-button (click)="this.loginService.loginWithGithub()">
+    Login with Github
+  </button>
+</ng-template>
diff --git a/codelab-master/apps/codelab/src/app/components/login/login.component.spec.ts b/codelab-master/apps/codelab/src/app/components/login/login.component.spec.ts
new file mode 100644
index 000000000..f7f8302c1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/login/login.component.spec.ts
@@ -0,0 +1,26 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { getMockAngularFireProviders } from '@codelab/utils/src/lib/testing/mocks/angular-fire';
+import { LoginComponent } from './login.component';
+import { LoginModule } from './login.module';
+
+describe('LoginComponent', () => {
+  let component: LoginComponent;
+  let fixture: ComponentFixture<LoginComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [LoginModule],
+      providers: [...getMockAngularFireProviders()]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LoginComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/components/login/login.component.ts b/codelab-master/apps/codelab/src/app/components/login/login.component.ts
new file mode 100644
index 000000000..e3131dc29
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/login/login.component.ts
@@ -0,0 +1,20 @@
+import { Component } from '@angular/core';
+import { AngularFireAuth } from '@angular/fire/auth';
+import { LoginService } from '@codelab/firebase-login';
+import { auth } from 'firebase/app';
+
+@Component({
+  selector: 'codelab-login',
+  templateUrl: './login.component.html',
+  styleUrls: ['./login.component.css']
+})
+export class LoginComponent {
+  constructor(
+    private auth: AngularFireAuth,
+    readonly loginService: LoginService
+  ) {}
+
+  login() {
+    this.auth.auth.signInWithPopup(new auth.GoogleAuthProvider());
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/login/login.module.ts b/codelab-master/apps/codelab/src/app/components/login/login.module.ts
new file mode 100644
index 000000000..d028e3db7
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/login/login.module.ts
@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { RouterModule } from '@angular/router';
+import { LoginComponent } from './login.component';
+
+@NgModule({
+  imports: [CommonModule, MatCardModule, RouterModule, MatButtonModule],
+  declarations: [LoginComponent]
+})
+export class LoginModule {}
diff --git a/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.html b/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.html
new file mode 100644
index 000000000..381e2dcdd
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.html
@@ -0,0 +1,15 @@
+<div class="message">
+  <div class="error-code"><p>404</p></div>
+  <div class="error-message">
+    <p class="header">Oops! You're lost</p>
+    <p class="subheader">The page you are looking for was not found.</p>
+  </div>
+</div>
+<nav>
+  <ul>
+    <li *ngFor="let route of routes">
+      <a [routerLink]="route.path">{{ route.name }}</a>
+    </li>
+  </ul>
+</nav>
+<codelab-buttons-nav-bar></codelab-buttons-nav-bar>
diff --git a/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.scss b/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.scss
new file mode 100644
index 000000000..7158d4eb8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.scss
@@ -0,0 +1,53 @@
+:host {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  height: 100%;
+  font-family: 'Helvetica Neue', sans-serif;
+
+  .message {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+
+    .error-code {
+      font-size: 70px;
+      margin-right: 20px;
+    }
+
+    .error-message {
+      .header {
+        font-size: 20px;
+        font-weight: 600;
+      }
+
+      .subheader {
+        font-size: 14px;
+      }
+    }
+  }
+
+  nav {
+    max-width: 100%;
+    width: 400px;
+
+    ul {
+      display: flex;
+      justify-content: space-around;
+      width: 100%;
+      padding-inline-start: 0;
+
+      li {
+        list-style-type: none;
+      }
+    }
+  }
+}
+
+@media screen and (max-width: 500px) {
+  .container .message {
+    flex-direction: column;
+    text-align: center;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.ts b/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.ts
new file mode 100644
index 000000000..aa08d0927
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/not-found/not-found.component.ts
@@ -0,0 +1,24 @@
+import { Component, ChangeDetectionStrategy } from '@angular/core';
+
+@Component({
+  selector: 'codelab-not-found',
+  templateUrl: './not-found.component.html',
+  styleUrls: ['./not-found.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class NotFoundComponent {
+  public routes = [
+    {
+      path: '',
+      name: 'Home'
+    },
+    {
+      path: '/angular/typescript',
+      name: 'Typescript'
+    },
+    {
+      path: '/angular',
+      name: 'Angular'
+    }
+  ];
+}
diff --git a/codelab-master/apps/codelab/src/app/components/not-found/not-found.module.ts b/codelab-master/apps/codelab/src/app/components/not-found/not-found.module.ts
new file mode 100644
index 000000000..ee30c845e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/not-found/not-found.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { ButtonsNavBarModule } from '../buttons-nav-bar/buttons-nav-bar.module';
+import { NotFoundComponent } from './not-found.component';
+
+@NgModule({
+  imports: [CommonModule, RouterModule, ButtonsNavBarModule],
+  declarations: [NotFoundComponent]
+})
+export class NotFoundModule {}
diff --git a/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.html b/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.html
new file mode 100644
index 000000000..513889466
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.html
@@ -0,0 +1,14 @@
+<div
+  data-step="3"
+  data-intro="You can reference the slides for this milestone here."
+  data-position="top"
+  class="codelab-preview"
+  [class.expanded]="isExpanded"
+>
+  <div class="preview-header">
+    <button class="button-expand" (click)="expandToggle()"></button>
+  </div>
+  <div class="body">
+    <iframe *ngIf="milestone" [src]="iframeSource"></iframe>
+  </div>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.scss b/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.scss
new file mode 100644
index 000000000..06ed498e1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.scss
@@ -0,0 +1,48 @@
+.codelab-preview {
+  position: relative;
+  width: 100%;
+  height: 100%;
+}
+
+.codelab-preview.expanded {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 100;
+  background-color: #fff;
+}
+
+.preview-header {
+  position: absolute;
+  right: 1px;
+  top: 1px;
+}
+
+.button-expand {
+  outline: none;
+  width: 35px;
+  height: 35px;
+  padding: 0;
+  border: 0;
+  background-image: url('/assets/images/expand.png');
+  background-color: #fff;
+  background-size: 100% 100%;
+  cursor: pointer;
+
+  &:hover {
+    background-color: #eee;
+  }
+}
+
+iframe {
+  box-shadow: 0 0 1px #dddddd;
+  border: 0 solid;
+}
+
+.body,
+iframe {
+  width: 100%;
+  height: 100%;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.ts b/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.ts
new file mode 100644
index 000000000..f72483510
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides-preview/codelab-preview.component.ts
@@ -0,0 +1,44 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { DomSanitizer } from '@angular/platform-browser';
+import { ActivatedRoute, Router } from '@angular/router';
+import { Location } from '@angular/common';
+
+@Component({
+  selector: 'codelab-preview',
+  templateUrl: './codelab-preview.component.html',
+  styleUrls: ['./codelab-preview.component.scss']
+})
+export class CodelabPreviewComponent implements OnInit {
+  @Input() milestone;
+  public isExpanded: boolean;
+  private iframeSource;
+
+  constructor(
+    private sanitizer: DomSanitizer,
+    private router: Router,
+    private activatedRoute: ActivatedRoute,
+    private location: Location
+  ) {}
+
+  ngOnInit() {
+    const url = this.location.prepareExternalUrl(
+      this.router
+        .createUrlTree(['.'], {
+          relativeTo: this.activatedRoute,
+          queryParams: {
+            milestone: this.milestone,
+            hideControls: true,
+            resize: true
+          },
+          queryParamsHandling: 'merge'
+        })
+        .toString()
+    );
+
+    this.iframeSource = this.sanitizer.bypassSecurityTrustResourceUrl(url);
+  }
+
+  expandToggle() {
+    return (this.isExpanded = !this.isExpanded);
+  }
+}
diff --git a/libs/utils/src/lib/sync/components/questions/questions-presenter/questions-presenter.component.css b/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/questions/questions-presenter/questions-presenter.component.css
rename to codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.css
diff --git a/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.html b/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.html
new file mode 100644
index 000000000..216d4d169
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.html
@@ -0,0 +1,13 @@
+<div class="last-slide">
+  <div class="header"><ng-content select="[header]"></ng-content></div>
+  <div class="body"><ng-content select="[body]"></ng-content></div>
+
+  <div i18n class="info">
+    This codelab is written in Angular and
+    <a target="_blank" href="https://github.com/codelab-fun/codelab"
+      >available on Github</a
+    >. Please ⭐ if you enjoyed it.
+  </div>
+
+  <div class="footer"><ng-content select="[footer]"></ng-content></div>
+</div>
diff --git a/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.spec.ts b/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.spec.ts
new file mode 100644
index 000000000..9cbbd0035
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { CodelabClosingSlideComponent } from './codelab-closing-slide.component';
+
+describe('CodelabClosingSlideComponent', () => {
+  let component: CodelabClosingSlideComponent;
+  let fixture: ComponentFixture<CodelabClosingSlideComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [CodelabClosingSlideComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(CodelabClosingSlideComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.ts b/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.ts
new file mode 100644
index 000000000..064a1c8b8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/closing-slide/codelab-closing-slide.component.ts
@@ -0,0 +1,16 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-closing-slide',
+  templateUrl: './codelab-closing-slide.component.html',
+  styleUrls: ['./codelab-closing-slide.component.css']
+})
+export class CodelabClosingSlideComponent implements OnInit {
+  @Input() header: String;
+  @Input() body: String;
+  @Input() footer: String;
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.css b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.css
new file mode 100644
index 000000000..6c50de87b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.css
@@ -0,0 +1,31 @@
+@keyframes circle {
+  from {
+    transform: scale(0);
+  }
+  to {
+    transform: scale(0.5);
+  }
+}
+
+.circle {
+  margin: 0 auto;
+  width: 25vw;
+  height: 25vw;
+  border: 1vw solid rgba(255, 89, 75, 0.1);
+  border-radius: 50%;
+  position: absolute;
+  left: 0;
+  top: 0;
+}
+
+.one {
+  animation: circle 4s infinite linear;
+}
+
+.two {
+  animation: circle 3s infinite linear;
+}
+
+.three {
+  animation: circle 2s infinite linear;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.html b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.html
new file mode 100644
index 000000000..b1265eeff
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.html
@@ -0,0 +1,3 @@
+<div class="circle one"></div>
+<div class="class circle two"></div>
+<div class="circle three"></div>
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.spec.ts b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.spec.ts
new file mode 100644
index 000000000..d9d5c32e8
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.spec.ts
@@ -0,0 +1,23 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { CodelabRippleAnimationComponent } from './codelab-ripple-animation.component';
+
+describe('CodelabRippleAnimationComponent', () => {
+  let component: CodelabRippleAnimationComponent;
+  let fixture: ComponentFixture<CodelabRippleAnimationComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [CodelabRippleAnimationComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(CodelabRippleAnimationComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.ts b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.ts
new file mode 100644
index 000000000..dd61c8314
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/ripple-animation/codelab-ripple-animation.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-ripple-animation',
+  templateUrl: './codelab-ripple-animation.component.html',
+  styleUrls: ['./codelab-ripple-animation.component.css']
+})
+export class CodelabRippleAnimationComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.css b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.css
new file mode 100644
index 000000000..c634769e3
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.css
@@ -0,0 +1,48 @@
+:host {
+  height: 100%;
+}
+
+.title-slide {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+}
+
+.header {
+  flex: 0.5;
+  display: flex;
+  justify-content: flex-end;
+  flex-direction: column;
+  background: #982a2a;
+  color: white;
+  font-size: 10vw;
+  padding: 2vw;
+}
+
+.contents {
+  padding: 2vw;
+  display: flex;
+  flex-direction: column;
+  flex: 0.5;
+}
+
+.description {
+  font-size: 5vw;
+}
+
+.instructions {
+  flex-grow: 1;
+  font-size: 4vw;
+  color: #666;
+  margin-top: 20px;
+}
+
+.left-half-ripple {
+  overflow: hidden;
+  margin: 0;
+  height: 25vw;
+  width: calc(25vw / 2 + 2vw);
+  position: absolute;
+  top: calc(50% - 25vw / 2);
+  right: 0;
+}
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.html b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.html
new file mode 100644
index 000000000..cc7384490
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.html
@@ -0,0 +1,15 @@
+<div class="title-slide">
+  <div class="header">{{ title }}</div>
+  <div class="contents">
+    <div class="description">{{ description }}</div>
+
+    <div class="instructions" i18n>
+      Use <b>←</b> and <b>→</b> on your keyboard to navigate the slides.
+    </div>
+
+    <div class="prereqs">
+      <strong *ngIf="prereqs" i18n>Prerequisites:</strong> {{ prereqs }}
+    </div>
+  </div>
+</div>
+<codelab-ripple-animation class="left-half-ripple"></codelab-ripple-animation>
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.spec.ts b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.spec.ts
new file mode 100644
index 000000000..26f3c42f2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.spec.ts
@@ -0,0 +1,55 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { By } from '@angular/platform-browser';
+
+import { TitleSlideComponent } from './title-slide.component';
+import { CodelabRippleAnimationComponent } from './ripple-animation/codelab-ripple-animation.component';
+
+describe('TitleSlideComponent', () => {
+  let component: TitleSlideComponent;
+  let fixture: ComponentFixture<TitleSlideComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [CodelabRippleAnimationComponent, TitleSlideComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TitleSlideComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+
+  it('should render a title', () => {
+    component.title = 'awesome title';
+    fixture.detectChanges();
+    const el = fixture.debugElement.query(By.css('.header'));
+    expect(el.nativeElement.textContent).toContain('awesome title');
+  });
+
+  it('should render a description', () => {
+    component.description = 'hello world!';
+    fixture.detectChanges();
+    const el = fixture.debugElement.query(By.css('.description'));
+    expect(el.nativeElement.textContent).toContain('hello world!');
+  });
+
+  it('should render prerequisites', () => {
+    component.prereqs = 'do this first';
+    fixture.detectChanges();
+    const el = fixture.debugElement.query(By.css('.prereqs'));
+    expect(el.nativeElement.textContent).toContain('do this first');
+    expect(el.nativeElement.textContent).toContain('Prerequisites');
+  });
+
+  it('should not show "Prerequisites" if undefined', () => {
+    component.prereqs = undefined;
+    fixture.detectChanges();
+    const el = fixture.debugElement.query(By.css('.prereqs'));
+    expect(el.nativeElement.textContent).not.toContain('Prerequisites');
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.ts b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.ts
new file mode 100644
index 000000000..aa76cc2b4
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/components/slides/title-slide/title-slide.component.ts
@@ -0,0 +1,12 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'codelab-title-slide',
+  templateUrl: './title-slide.component.html',
+  styleUrls: ['./title-slide.component.css']
+})
+export class TitleSlideComponent {
+  @Input() title: string;
+  @Input() description: string;
+  @Input() prereqs: string;
+}
diff --git a/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.html b/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.html
new file mode 100644
index 000000000..515dd78d6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.html
@@ -0,0 +1,5 @@
+<router-outlet></router-outlet>
+<codelab-sync-survey></codelab-sync-survey>
+<codelab-buttons-nav-bar
+  [style.display]="displayButtons ? '' : 'none'"
+></codelab-buttons-nav-bar>
diff --git a/libs/utils/src/lib/sync/components/registration/registration-admin/registration-admin.component.css b/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.scss
similarity index 100%
rename from libs/utils/src/lib/sync/components/registration/registration-admin/registration-admin.component.css
rename to codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.scss
diff --git a/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.ts b/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.ts
new file mode 100644
index 000000000..36df1e64f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.component.ts
@@ -0,0 +1,15 @@
+import { ChangeDetectionStrategy, Component, Optional } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+
+@Component({
+  selector: 'codelab-full-layout',
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  templateUrl: './full-layout.component.html',
+  styleUrls: ['./full-layout.component.scss']
+})
+export class FullLayoutComponent {
+  displayButtons: boolean;
+  constructor(@Optional() route: ActivatedRoute) {
+    this.displayButtons = !route.snapshot.queryParams.milestone;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.module.ts b/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.module.ts
new file mode 100644
index 000000000..db027701c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/containers/full-layout/full-layout.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FullLayoutComponent } from './full-layout.component';
+import { SyncModule } from '../../sync/sync.module';
+import { ButtonsNavBarModule } from '../../components/buttons-nav-bar/buttons-nav-bar.module';
+
+@NgModule({
+  imports: [RouterModule, SyncModule, ButtonsNavBarModule],
+  declarations: [FullLayoutComponent]
+})
+export class FullLayoutModule {}
diff --git a/codelab-master/apps/codelab/src/app/containers/full-layout/index.ts b/codelab-master/apps/codelab/src/app/containers/full-layout/index.ts
new file mode 100644
index 000000000..315223dd1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/containers/full-layout/index.ts
@@ -0,0 +1 @@
+export * from './full-layout.component';
diff --git a/codelab-master/apps/codelab/src/app/containers/index.ts b/codelab-master/apps/codelab/src/app/containers/index.ts
new file mode 100644
index 000000000..11f57518e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/containers/index.ts
@@ -0,0 +1 @@
+export * from './full-layout';
diff --git a/codelab-master/apps/codelab/src/app/directives/directives.module.ts b/codelab-master/apps/codelab/src/app/directives/directives.module.ts
new file mode 100644
index 000000000..326e39b0a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/directives/directives.module.ts
@@ -0,0 +1,21 @@
+import { NgModule } from '@angular/core';
+import { IsLoggedInDirective } from './permissions/is-logged-in/is-loggef-in.directive';
+import { CanLoadAdminDirective } from './permissions/can-load-admin/can-load-admin.directive';
+import { NextSlideDirective } from './nextSlide.directive';
+import { PreviousSlideDirective } from './previousSlide.directive';
+
+@NgModule({
+  declarations: [
+    IsLoggedInDirective,
+    CanLoadAdminDirective,
+    NextSlideDirective,
+    PreviousSlideDirective
+  ],
+  exports: [
+    IsLoggedInDirective,
+    CanLoadAdminDirective,
+    NextSlideDirective,
+    PreviousSlideDirective
+  ]
+})
+export class DirectivesModule {}
diff --git a/codelab-master/apps/codelab/src/app/directives/nextSlide.directive.ts b/codelab-master/apps/codelab/src/app/directives/nextSlide.directive.ts
new file mode 100644
index 000000000..94f629fb5
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/directives/nextSlide.directive.ts
@@ -0,0 +1,14 @@
+import { Directive, HostListener } from '@angular/core';
+import { SlidesDeckComponent } from '@ng360/slides';
+
+@Directive({
+  selector: '[nextSlide]'
+})
+export class NextSlideDirective {
+  constructor(public deck: SlidesDeckComponent) {}
+
+  @HostListener('click')
+  onClick() {
+    this.deck.nextSlide();
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/directives/permissions/abstract-permission.ts b/codelab-master/apps/codelab/src/app/directives/permissions/abstract-permission.ts
new file mode 100644
index 000000000..9d7dee7ae
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/directives/permissions/abstract-permission.ts
@@ -0,0 +1,34 @@
+import {
+  TemplateRef,
+  ViewContainerRef,
+  OnDestroy,
+  Injectable
+} from '@angular/core';
+import { AccessService } from '../../shared/services/access.service';
+import { ReplaySubject, Observable } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+@Injectable()
+export class AbstractPermission implements OnDestroy {
+  public destroy = new ReplaySubject<any>(1);
+
+  constructor(
+    public templateRef: TemplateRef<any>,
+    public viewContainer: ViewContainerRef,
+    public accessService: AccessService
+  ) {}
+
+  ngOnDestroy() {
+    this.destroy.next(null);
+    this.destroy.complete();
+  }
+
+  public render(observable: Observable<boolean>): void {
+    observable.pipe(takeUntil(this.destroy)).subscribe(hasPermission => {
+      if (hasPermission) {
+        this.viewContainer.createEmbeddedView(this.templateRef);
+      } else {
+        this.viewContainer.clear();
+      }
+    });
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/directives/permissions/can-load-admin/can-load-admin.directive.ts b/codelab-master/apps/codelab/src/app/directives/permissions/can-load-admin/can-load-admin.directive.ts
new file mode 100644
index 000000000..3c81cde4c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/directives/permissions/can-load-admin/can-load-admin.directive.ts
@@ -0,0 +1,29 @@
+import {
+  Directive,
+  OnInit,
+  TemplateRef,
+  ViewContainerRef
+} from '@angular/core';
+import {
+  AccessService,
+  Permissions
+} from '../../../shared/services/access.service';
+import { AbstractPermission } from '../abstract-permission';
+
+@Directive({
+  selector: '[canLoadAdmin]'
+})
+export class CanLoadAdminDirective extends AbstractPermission
+  implements OnInit {
+  constructor(
+    templateRef: TemplateRef<any>,
+    viewContainer: ViewContainerRef,
+    accessService: AccessService
+  ) {
+    super(templateRef, viewContainer, accessService);
+  }
+
+  ngOnInit() {
+    this.render(this.accessService.can(Permissions.CAN_LOAD_ADMIN));
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/directives/permissions/is-logged-in/is-loggef-in.directive.ts b/codelab-master/apps/codelab/src/app/directives/permissions/is-logged-in/is-loggef-in.directive.ts
new file mode 100644
index 000000000..0cf87a58d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/directives/permissions/is-logged-in/is-loggef-in.directive.ts
@@ -0,0 +1,25 @@
+import {
+  Directive,
+  OnInit,
+  TemplateRef,
+  ViewContainerRef
+} from '@angular/core';
+import { AccessService } from '../../../shared/services/access.service';
+import { AbstractPermission } from '../abstract-permission';
+
+@Directive({
+  selector: '[isLoggedIn]'
+})
+export class IsLoggedInDirective extends AbstractPermission implements OnInit {
+  constructor(
+    templateRef: TemplateRef<any>,
+    viewContainer: ViewContainerRef,
+    accessService: AccessService
+  ) {
+    super(templateRef, viewContainer, accessService);
+  }
+
+  ngOnInit() {
+    this.render(this.accessService.oldIsAdmin$);
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/directives/previousSlide.directive.ts b/codelab-master/apps/codelab/src/app/directives/previousSlide.directive.ts
new file mode 100644
index 000000000..39e27f92f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/directives/previousSlide.directive.ts
@@ -0,0 +1,14 @@
+import { Directive, HostListener } from '@angular/core';
+import { SlidesDeckComponent } from '@ng360/slides';
+
+@Directive({
+  selector: '[previousSlide]'
+})
+export class PreviousSlideDirective {
+  constructor(public deck: SlidesDeckComponent) {}
+
+  @HostListener('click')
+  onClick() {
+    this.deck.previousSlide();
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/angular-code/app.component.ts b/codelab-master/apps/codelab/src/app/shared/angular-code/app.component.ts
new file mode 100644
index 000000000..7e347818f
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/angular-code/app.component.ts
@@ -0,0 +1,7 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: 'Hi!'
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/codelab/src/app/shared/angular-code/app.module.ts b/codelab-master/apps/codelab/src/app/shared/angular-code/app.module.ts
new file mode 100644
index 000000000..02260c17c
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/angular-code/app.module.ts
@@ -0,0 +1,10 @@
+import { NgModule } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/codelab/src/app/shared/angular-code/bootstrap.ts b/codelab-master/apps/codelab/src/app/shared/angular-code/bootstrap.ts
new file mode 100644
index 000000000..96788cb59
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/angular-code/bootstrap.ts
@@ -0,0 +1,31 @@
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { ResourceLoader } from '@angular/compiler';
+import * as code from './code';
+import { AppModule } from './app.module';
+
+class MyResourceLoader extends ResourceLoader {
+  get(url: string): Promise<string> {
+    const templateId = Object.keys(code).find(key =>
+      key.includes(url.replace(/[\/\.-]/gi, '_'))
+    );
+    const template = code[templateId];
+    if (!template) {
+      console.log(template);
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+    return Promise.resolve(template);
+  }
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule, [
+  {
+    providers: [
+      {
+        provide: ResourceLoader,
+        useFactory: () => new MyResourceLoader(),
+        deps: []
+      }
+    ]
+  }
+]);
diff --git a/codelab-master/apps/codelab/src/app/shared/angular-code/code.ts b/codelab-master/apps/codelab/src/app/shared/angular-code/code.ts
new file mode 100644
index 000000000..2e9e9ab92
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/angular-code/code.ts
@@ -0,0 +1 @@
+export const code = '';
diff --git a/codelab-master/apps/codelab/src/app/shared/angular-code/index.html b/codelab-master/apps/codelab/src/app/shared/angular-code/index.html
new file mode 100644
index 000000000..fcc059559
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/angular-code/index.html
@@ -0,0 +1,33 @@
+<!DOCTYPE >
+<style>
+  h2 {
+    font-family: 'Helvetica Neue', sans-serif;
+    font-size: 16px;
+    font-weight: 300;
+    background: #ddd;
+    border: 1px #444 solid;
+    padding: 20px;
+    border-radius: 4px;
+  }
+
+  h1 {
+    margin-top: 20px;
+    margin-bottom: 8px;
+    font-family: 'Helvetica Neue', sans-serif;
+    font-size: 18px;
+    font-weight: 300;
+    border-top: 1px #ddd solid;
+    padding-top: 20px;
+  }
+
+  h1:first-child {
+    border-top: 0;
+    padding-top: 0;
+  }
+</style>
+
+<body>
+  <my-app>
+    Loading...
+  </my-app>
+</body>
diff --git a/codelab-master/apps/codelab/src/app/shared/helpers/codelabFile.ts b/codelab-master/apps/codelab/src/app/shared/helpers/codelabFile.ts
new file mode 100644
index 000000000..8e54a7f77
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/helpers/codelabFile.ts
@@ -0,0 +1,108 @@
+import { FileConfig } from '../interfaces/file-config';
+
+export enum FileType {
+  TypeScript = 'typescript',
+  Html = 'html',
+  Css = 'css'
+}
+
+const fileConfig = {
+  [FileType.TypeScript]: {
+    extension: '.ts'
+  },
+  [FileType.Html]: {
+    extension: '.html'
+  },
+  [FileType.Css]: {
+    extension: '.css'
+  }
+};
+
+export class CodelabFile implements FileConfig {
+  highlight?: RegExp | RegExp[];
+  after: string;
+  public code: string;
+  public template: string;
+  public solution: string;
+  public bootstrap = false;
+  public path: string;
+  public excludeFromTesting = false;
+  public test = false;
+  public before: string;
+  public hidden = false;
+
+  static TypeScriptFile(name: string): CodelabFile {
+    return new CodelabFile(FileType.TypeScript, name).setAfter(
+      'export function evalJs( js ){ return eval(js);}'
+    );
+  }
+
+  static TypeScriptTest(name: string): CodelabFile {
+    return new CodelabFile(FileType.TypeScript, name + 'Test').makeTest();
+  }
+
+  static Html(name: string): CodelabFile {
+    return new CodelabFile(FileType.Html, name);
+  }
+
+  static Css(name: string): CodelabFile {
+    return new CodelabFile(FileType.Css, name);
+  }
+
+  constructor(
+    public readonly type: FileType,
+    public readonly moduleName: string
+  ) {
+    this.path = moduleName + fileConfig[type].extension;
+  }
+
+  public setAfter(after: string): CodelabFile {
+    this.after = after;
+    return this;
+  }
+
+  public clone(): CodelabFile {
+    return Object.assign(Object.create(CodelabFile), this);
+  }
+
+  public makeBootstrappable(): CodelabFile {
+    this.bootstrap = true;
+    this.excludeFromTesting = true;
+    return this;
+  }
+
+  public makeHidden(): CodelabFile {
+    this.hidden = true;
+    return this;
+  }
+
+  public makeTest(): CodelabFile {
+    this.test = true;
+    this.before = 'mochaBefore();';
+    this.after = 'mochaAfter();';
+    this.excludeFromTesting = false;
+    this.makeHidden();
+    this.makeBootstrappable();
+    return this;
+  }
+
+  public setSolution(solution: string): CodelabFile {
+    this.solution = solution;
+    return this;
+  }
+
+  public withHighlight(highlight: RegExp | RegExp[]) {
+    this.highlight = highlight;
+    return this;
+  }
+
+  public setCode(code: string): CodelabFile {
+    this.code = code;
+    this.template = code;
+    if (!this.solution) {
+      this.solution = code;
+    }
+
+    return this;
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/helpers/helpers.ts b/codelab-master/apps/codelab/src/app/shared/helpers/helpers.ts
new file mode 100644
index 000000000..44589428d
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/helpers/helpers.ts
@@ -0,0 +1,368 @@
+import { FileConfig } from '../interfaces/file-config';
+
+function exerciseWithConsoleLog(moduleName: string, code: any, code2: any) {
+  return {
+    ...exercise(moduleName, code, code2),
+    before: `
+
+    export const value = window.value = window.value || {};
+
+    function wrap(context, prop, callback){
+      if(!context[prop].patched){
+        const originalMethod = context[prop];
+
+         context[prop] = function(...args){
+          callback(...args);
+          return originalMethod.apply(context, args);
+         }
+
+         context[prop].patched = true;
+       }
+    }
+
+    /* TODO: Get rid of the CSS hack */
+
+    wrap(console, 'log', (v)=>{
+      value.value = v;
+      document.body.innerHTML += '<pre style="font-family: roboto-mono, monospace;font-size: 3vw; font-weight: 400; margin: 0;">' +
+       '<span style="color: #999;font-size: 2vw;">＜</span> ' + JSON.stringify(v, null, '  ') + '</pre> ' +
+       '<hr style="margin-left: 2vw;border: 0 solid;">'
+         document.body.scrollTop = document.body.scrollHeight;
+    })
+  `
+  };
+}
+
+export function exercise(
+  moduleName: string,
+  template: string,
+  solution?: string
+): FileConfig {
+  solution = solution || template;
+
+  return {
+    bootstrap: false,
+    excludeFromTesting: false,
+    type: 'typescript',
+    path: moduleName + '.ts',
+    template,
+    code: template,
+    moduleName: moduleName,
+    solution,
+    after: `export function evalJs( js ){ return eval(js);}`
+  };
+}
+
+export function test(moduleName: string, template: string): FileConfig {
+  return {
+    path: moduleName + 'Test.ts',
+    type: 'typescript',
+    template,
+    code: template,
+    moduleName: moduleName + 'Test',
+    excludeFromTesting: false,
+    test: true,
+    bootstrap: true,
+    before: 'mochaBefore();',
+    after: 'mochaAfter();',
+    hidden: true
+  };
+}
+
+interface SimpleImport {
+  name: string;
+  path: string;
+}
+
+export const builder = {
+  imports(imports: Array<SimpleImport>) {
+    return imports.map(i => `import {${i.name}} from '${i.path}';`).join('\n');
+  },
+  listOfComponents: (components: Array<SimpleImport>) => {
+    return `[${components.map(c => c.name).join(',')}]`;
+  },
+
+  ngModule(
+    declarations: Array<SimpleImport> = [
+      {
+        name: 'AppComponent',
+        path: './app.component'
+      }
+    ],
+    bootstrapComponent?: Array<SimpleImport>
+  ) {
+    bootstrapComponent = bootstrapComponent || declarations;
+
+    return `import {BrowserModule} from \'@angular/platform-browser\';
+import {NgModule} from \'@angular/core\';
+${this.imports(declarations)}
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: ${this.listOfComponents(declarations)},
+  bootstrap: ${this.listOfComponents(bootstrapComponent)}
+})
+export class AppModule {}`;
+  },
+
+  bootstrap(
+    module: SimpleImport = { name: 'AppModule', path: './app.module' }
+  ): string {
+    return `import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
+${this.imports([module])}
+
+import {ResourceLoader} from '@angular/compiler';
+class MyResourceLoader extends ResourceLoader {
+  get(url: string): Promise<string> {
+    const templateId = Object.keys(code).find(key => key.includes(url.replace(/[\\/\\.-]/gi, '_')));
+    const template = code[templateId];
+    if (!template) {
+      console.log(template);
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+    return Promise.resolve(template);
+  };
+}
+
+
+
+
+const platform = platformBrowserDynamic();
+platform.bootstrapModule(${module.name}, [
+  {
+    providers: [
+      {provide: ResourceLoader, useFactory: () => new MyResourceLoader(), deps: []}
+    ]
+  }
+]);
+
+`;
+  }
+};
+
+export function html(path = 'app', code, solution = '') {
+  return {
+    code,
+    path: path + '.html',
+    solution: solution,
+    type: 'html'
+  };
+}
+
+export function stylesheet(code, solution = '') {
+  return {
+    code,
+    path: 'style.css',
+    solution: solution || code,
+    type: 'css'
+  };
+}
+
+export function bootstrap(
+  moduleName: string,
+  template: string,
+  solution?: string
+) {
+  solution = solution || template;
+  return {
+    bootstrap: true,
+    excludeFromTesting: true,
+    type: 'typescript',
+    path: moduleName + '.ts',
+    template,
+    code: template,
+    moduleName: moduleName,
+    solution
+  };
+}
+
+export function circleAndBox() {
+  const result = boxAndCircle();
+  const temp = result.files[0];
+  result.files[0] = result.files[1];
+  result.files[1] = temp;
+  return result;
+}
+
+// That's me being plain lazy, we need
+export function boxAndCircle() {
+  const moduleCode = `import {BrowserModule} from \'@angular/platform-browser\';
+  import {NgModule} from '@angular/core';
+  import {BoxComponent} from './box.component';
+  import {CircleComponent} from './circle.component';
+
+  @NgModule({
+    imports: [BrowserModule],
+    declarations: [CircleComponent, BoxComponent],
+    bootstrap: [BoxComponent]
+  })
+  export class AppModule {}`;
+  const circleCode = `import { Component, Input } from '@angular/core';
+
+  @Component({
+    selector: 'slides-circle',
+    template: '<div class="circle" [style.width]="size" [style.height]="size" [style.background]="color"></div>'
+  })
+  export class CircleComponent {
+    @Input() size: number;
+    @Input() color: string;
+  }`;
+
+  const boxCode = `import { Component } from '@angular/core';
+
+  @Component({
+    selector: 'my-app',
+    template: \`<div><slides-circle
+      [size]="5"
+      [color]="circleColor"></slides-circle></div>\`
+  })
+  export class BoxComponent {
+    circleColor="green"
+  }`;
+
+  const bootstrapCode = `import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
+import {AppModule} from './app.module';
+platformBrowserDynamic().bootstrapModule(AppModule)
+`;
+
+  return {
+    other: {
+      boxNoParams: `import { Component } from '@angular/core';
+
+  @Component({
+    selector: 'slides-box',
+    template: \`<div><slides-circle></slides-circle></div>\`
+  })
+  export class BoxComponent {
+    circleColor="green"
+  }`
+    },
+    files: [
+      exercise('box.component', boxCode),
+      exercise('circle.component', circleCode),
+      exercise('app.module', moduleCode),
+      bootstrap('main', bootstrapCode, bootstrapCode),
+      {
+        type: 'css',
+        path: 'styles.css',
+        template: `
+         my-app > div {
+           width: 300px;
+           height: 200px;
+           border: 1px #ddd solid;
+         }
+         .circle {
+           margin-left: 100px;
+           margin-top: 50px;
+           border-radius: 50%;
+         }
+        `
+      }
+    ]
+  };
+}
+
+export function displayAngularComponent(
+  componentCode: string,
+  testCode?: string
+) {
+  // tslint:disable-next-line:max-line-length TODO: Clean up next line and remove this comment.
+  const moduleCode = builder.ngModule();
+  const bootstrapCode = builder.bootstrap();
+
+  return {
+    files: [
+      exercise('app.component', componentCode),
+      exercise('app.module', moduleCode),
+      bootstrap('main', bootstrapCode, bootstrapCode),
+      {
+        type: 'css',
+        path: 'styles.css',
+        code: `
+          body, html {
+            margin: 0;
+            padding: 2vw;
+            font-family: sans-serif;
+          }
+
+          h1, h2 {
+            margin: 0;
+            padding: 0;
+          }
+
+          h1 {font-size: 6vw;}
+          h2 {font-size: 4vw;}
+        `
+      },
+      ...(testCode ? [test('test', testCode)] : [])
+    ]
+  };
+}
+
+export function typeScriptWithConsoleLog(
+  code: string,
+  bootstrapCode = 'import "./app";',
+  testCode = '',
+  otherCode = ''
+) {
+  const files = [
+    exerciseWithConsoleLog('app', code, code),
+    bootstrap('main', bootstrapCode, bootstrapCode),
+    test('test', testCode),
+    {
+      path: 'main.css',
+      type: 'css',
+      code: ``
+    }
+  ];
+  if (otherCode !== '') {
+    files.push(exercise('puppy', otherCode));
+  }
+  return {
+    files
+  };
+}
+
+export function javaScriptWithConsoleLog(
+  code: string,
+  bootstrapCode = 'import "./app";',
+  testCode = '',
+  otherCode = ''
+) {
+  const result = typeScriptWithConsoleLog(
+    code,
+    bootstrapCode,
+    testCode,
+    otherCode
+  );
+  (result.files[0] as FileConfig).editorType = 'javascript';
+  return result;
+}
+
+export function displayAngularComponentWithHtml(
+  componentCode: string,
+  code: string
+) {
+  return {
+    files: [
+      {
+        code,
+        path: 'app/app.html',
+        solution: '',
+        type: 'html'
+      },
+      ...displayAngularComponent(componentCode).files
+    ]
+  };
+}
+
+export function solve(exerciseConfig) {
+  return {
+    ...exerciseConfig,
+    files: exerciseConfig.files.map(file => ({
+      ...file,
+      code: file.solution || file.code
+    }))
+  };
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/interfaces/exercise-config.ts b/codelab-master/apps/codelab/src/app/shared/interfaces/exercise-config.ts
new file mode 100644
index 000000000..396a66bf3
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/interfaces/exercise-config.ts
@@ -0,0 +1,11 @@
+import { FileConfig } from './file-config';
+import { TestInfo } from './test-info';
+
+export interface ExerciseConfig {
+  name: string;
+  description: string;
+  runner?: string;
+  files: Array<FileConfig>;
+  skipTests?: boolean;
+  tests?: Array<TestInfo>;
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/interfaces/file-config.ts b/codelab-master/apps/codelab/src/app/shared/interfaces/file-config.ts
new file mode 100644
index 000000000..5d158b98e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/interfaces/file-config.ts
@@ -0,0 +1,76 @@
+export interface FileConfig {
+  opened?: boolean;
+  /**
+   * typescript or html.
+   */
+  type?: string;
+
+  /**
+   * Source code of the file.
+   */
+  code?: string;
+
+  template: string;
+  /**
+   * Source code of the file.
+   */
+  solution?: string;
+
+  /**
+   * TS code to run before running the file.
+   */
+  before?: string;
+
+  /**
+   * TS code to run after running the file.
+   */
+  after?: string;
+
+  /**
+   * Usually the same as fileName without .ts postfix.
+   * Currently gets inferred from filename.
+   */
+  moduleName?: string;
+
+  /**
+   * Actual filename.
+   */
+  path: string;
+
+  /**
+   * If this is true; the file will be included in the preview iframe.
+   */
+  ui?: boolean;
+
+  /**
+   * If this is true
+   */
+  bootstrap?: boolean;
+
+  excludeFromTesting?: boolean;
+
+  /**
+   * if this is true; the file will be displayed in read only mode.
+   */
+  readonly?: boolean;
+
+  /**
+   * If this is true the file will be included in the test iframe.
+   */
+  test?: boolean;
+
+  /**
+   * If this is true; the file will be hidden.
+   */
+  hidden?: boolean;
+
+  /**
+   * File dependencies, need for proper highlighting in monaco.
+   */
+
+  editorType?: string;
+
+  // If this is set, this will be executed as a test.
+  // This is a hack and will be removed.
+  execute?: any;
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/interfaces/test-info.ts b/codelab-master/apps/codelab/src/app/shared/interfaces/test-info.ts
new file mode 100644
index 000000000..406b19458
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/interfaces/test-info.ts
@@ -0,0 +1,9 @@
+import { FileConfig } from './file-config';
+
+export interface TestInfo {
+  title: string;
+  file: FileConfig;
+  pass?: boolean;
+  result?: string;
+  filename?: string;
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/services/access.service.ts b/codelab-master/apps/codelab/src/app/shared/services/access.service.ts
new file mode 100644
index 000000000..bde8bde36
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/services/access.service.ts
@@ -0,0 +1,44 @@
+import { Injectable } from '@angular/core';
+import { LoginService } from '@codelab/firebase-login';
+import { SyncDbService } from '@codelab/utils/src/lib/sync/services/sync-db.service';
+import { filter, switchMap } from 'rxjs/operators';
+import { Observable } from 'rxjs';
+import { SyncDb } from '@codelab/utils/src/lib/sync/services/sync-data.service';
+
+export enum Permissions {
+  MANAGE_USERS = 'manage_users',
+  CAN_LOAD_ADMIN = 'can_load_admin'
+}
+
+@Injectable({ providedIn: 'root' })
+export class AccessService {
+  readonly oldIsAdmin$ = this.loginService.uid$.pipe(
+    switchMap(uid => {
+      return this.dbService
+        .object('authorized_users')
+        .object(uid)
+        .withDefault(false)
+        .valueChanges();
+    })
+  );
+
+  private readonly adminPermissions = this.dbService
+    .object('admin')
+    .object(this.loginService.uid$)
+    .object('permissions');
+
+  constructor(
+    private readonly loginService: LoginService,
+    private readonly dbService: SyncDbService<SyncDb>
+  ) {}
+
+  can(p: Permissions): Observable<boolean> {
+    return (
+      this.adminPermissions
+        // TODO(kirjs): default: false
+        .object(p)
+        .valueChanges()
+        .pipe(filter(a => a !== null))
+    );
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/services/guards/admin-guard.ts b/codelab-master/apps/codelab/src/app/shared/services/guards/admin-guard.ts
new file mode 100644
index 000000000..264dd891e
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/services/guards/admin-guard.ts
@@ -0,0 +1,32 @@
+import { Injectable } from '@angular/core';
+import {
+  Router,
+  RouterStateSnapshot,
+  ActivatedRouteSnapshot,
+  CanActivate
+} from '@angular/router';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+import { AccessService, Permissions } from '../access.service';
+
+@Injectable({ providedIn: 'root' })
+export class AdminGuard implements CanActivate {
+  constructor(private _route: Router, private accessService: AccessService) {}
+
+  canActivate(
+    route: ActivatedRouteSnapshot,
+    state: RouterStateSnapshot
+  ): Observable<boolean> | boolean {
+    return true;
+    return this.accessService.can(Permissions.CAN_LOAD_ADMIN).pipe(
+      map(hasAccess => {
+        if (!hasAccess) {
+          this._route.navigate(['login']);
+          return false;
+        }
+
+        return true;
+      })
+    );
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/services/guards/login-guard.ts b/codelab-master/apps/codelab/src/app/shared/services/guards/login-guard.ts
new file mode 100644
index 000000000..00529d006
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/services/guards/login-guard.ts
@@ -0,0 +1,29 @@
+import { Injectable } from '@angular/core';
+import { Router, RouterStateSnapshot, CanActivate } from '@angular/router';
+import { LoginService } from '@codelab/firebase-login';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class LoginGuard implements CanActivate {
+  constructor(private _route: Router, private loginService: LoginService) {}
+
+  canActivate(
+    ActivatedRouteSnapshot,
+    state: RouterStateSnapshot
+  ): Observable<boolean> | boolean {
+    return this.loginService.isAnonymous$.pipe(
+      map(res => {
+        if (res) {
+          // user is anonymous
+          return true;
+        }
+        // user is logged in, navigate to home
+        this._route.navigate(['/']);
+        return false;
+      })
+    );
+  }
+}
diff --git a/codelab-master/apps/codelab/src/app/shared/shared.module.ts b/codelab-master/apps/codelab/src/app/shared/shared.module.ts
new file mode 100644
index 000000000..1d5787450
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/shared/shared.module.ts
@@ -0,0 +1,31 @@
+import { NgModule } from '@angular/core';
+import { HttpClientModule } from '@angular/common/http';
+import { FormsModule } from '@angular/forms';
+import { RouterModule } from '@angular/router';
+import { SlidesModule } from '@ng360/slides';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { CodelabComponentsModule } from '../components/codelab-components.module';
+import { ButtonsNavBarModule } from '../components/buttons-nav-bar/buttons-nav-bar.module';
+import { SyncModule } from '../sync/sync.module';
+
+@NgModule({
+  imports: [
+    HttpClientModule,
+    FormsModule,
+    RouterModule,
+    CodeDemoModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    ButtonsNavBarModule,
+    SyncModule
+  ],
+  exports: [
+    HttpClientModule,
+    FormsModule,
+    CodeDemoModule,
+    CodelabComponentsModule,
+    SlidesModule,
+    ButtonsNavBarModule
+  ]
+})
+export class SharedModule {}
diff --git a/codelab-master/apps/codelab/src/app/sync/sync.component.css b/codelab-master/apps/codelab/src/app/sync/sync.component.css
new file mode 100644
index 000000000..17edfbc67
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/sync/sync.component.css
@@ -0,0 +1,17 @@
+.survey {
+  opacity: 0.98;
+  position: absolute;
+  top: 20px;
+  left: 20px;
+  bottom: 20px;
+  right: 20px;
+  border: 1px solid #000;
+  background-color: #fff;
+  padding: 20px;
+  z-index: 1000;
+  font-family: sans-serif;
+}
+
+h1 {
+  text-align: center;
+}
diff --git a/codelab-master/apps/codelab/src/app/sync/sync.component.html b/codelab-master/apps/codelab/src/app/sync/sync.component.html
new file mode 100644
index 000000000..e9d742025
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/sync/sync.component.html
@@ -0,0 +1,38 @@
+<div class="survey" *ngIf="shouldShowPresentation$ | async; else userId">
+  <h1>Quick Survey</h1>
+
+  <slide-deck>
+    <div *isPresenting slideShortcuts></div>
+
+    <codelab-sync-button name="default"></codelab-sync-button>
+    <codelab-configure-sync></codelab-configure-sync>
+    <div *slide>
+      <codelab-poll [poll]="polls[0]">
+        <div class="question"></div>
+      </codelab-poll>
+    </div>
+
+    <div *slide>
+      <codelab-poll [poll]="polls[1]">
+        <div class="question"></div>
+      </codelab-poll>
+    </div>
+
+    <div *slide>
+      <codelab-poll [poll]="polls[2]">
+        <div class="question"></div>
+      </codelab-poll>
+    </div>
+
+    <div *slide>
+      <codelab-poll [poll]="polls[3]">
+        <div class="question"></div>
+      </codelab-poll>
+    </div>
+  </slide-deck>
+</div>
+<ng-template #userId>
+  <ng-container *ngIf="admin">
+    {{ userId$ | async }}
+  </ng-container>
+</ng-template>
diff --git a/codelab-master/apps/codelab/src/app/sync/sync.component.spec.ts b/codelab-master/apps/codelab/src/app/sync/sync.component.spec.ts
new file mode 100644
index 000000000..00db356e2
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/sync/sync.component.spec.ts
@@ -0,0 +1,33 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SyncComponent } from './sync.component';
+import { SyncModule } from './sync.module';
+import { AngularFireDatabase } from '@angular/fire/database';
+import { AngularFireAuth } from '@angular/fire/auth';
+import {
+  getMockAngularFireProviders,
+  MockAngularFireAuth,
+  MockAngularFireDatabase
+} from '@codelab/utils/src/lib/testing/mocks/angular-fire';
+
+describe('SyncComponent', () => {
+  let component: SyncComponent;
+  let fixture: ComponentFixture<SyncComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [SyncModule],
+      providers: [getMockAngularFireProviders()]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SyncComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/codelab/src/app/sync/sync.component.ts b/codelab-master/apps/codelab/src/app/sync/sync.component.ts
new file mode 100644
index 000000000..25e0e9510
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/sync/sync.component.ts
@@ -0,0 +1,70 @@
+import { Component, Input } from '@angular/core';
+import { SyncPollConfig } from '@codelab/utils/src/lib/sync/components/poll/common/common';
+import { SyncDataService } from '@codelab/utils/src/lib/sync/services/sync-data.service';
+import { SyncSessionService } from '@codelab/utils/src/lib/sync/services/sync-session.service';
+import { switchMap } from 'rxjs/operators';
+import {
+  canWritePresenterData,
+  SyncStatus
+} from '@codelab/utils/src/lib/sync/common';
+import { of } from 'rxjs';
+
+@Component({
+  selector: 'codelab-sync-survey',
+  templateUrl: './sync.component.html',
+  styleUrls: ['./sync.component.css']
+})
+export class SyncComponent {
+  @Input() admin = false;
+  readonly userId$ = this.syncSessionService.viewerId$;
+
+  readonly isPresentationEnabled$ = this.syncDataService
+    .getPresenterObject('enabled')
+    .withDefault(false)
+    .valueChanges();
+
+  readonly shouldShowPresentation$ = this.syncSessionService.status$.pipe(
+    switchMap(s => {
+      if (canWritePresenterData(s)) {
+        return of(true);
+      }
+
+      if (s === SyncStatus.OFF) {
+        return this.admin
+          ? this.syncSessionService.canStartSession$
+          : of(false);
+      }
+
+      return this.isPresentationEnabled$;
+    })
+  );
+
+  polls: SyncPollConfig[] = [
+    {
+      key: 'js',
+      type: 'stars',
+      question: 'How well do you know JavaScript'
+    },
+    {
+      key: 'ts',
+      type: 'stars',
+      question: 'How well do you know TypeScript'
+    },
+    {
+      key: 'angularjs',
+      type: 'stars',
+      question: 'How well do you know AngularJS (Old version)'
+    },
+    {
+      key: 'angular',
+      type: 'stars',
+      question:
+        'How well do you know Angular (The new version we are learning today)'
+    }
+  ];
+
+  constructor(
+    private readonly syncDataService: SyncDataService,
+    private readonly syncSessionService: SyncSessionService
+  ) {}
+}
diff --git a/codelab-master/apps/codelab/src/app/sync/sync.module.ts b/codelab-master/apps/codelab/src/app/sync/sync.module.ts
new file mode 100644
index 000000000..9d7aa9fb7
--- /dev/null
+++ b/codelab-master/apps/codelab/src/app/sync/sync.module.ts
@@ -0,0 +1,39 @@
+import { Component, NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { SyncPollModule } from '@codelab/utils/src/lib/sync/components/poll/sync-poll.module';
+import { SyncButtonModule } from '@codelab/utils/src/lib/sync/sync-button/sync-button.module';
+import { SyncDirectivesModule } from '@codelab/utils/src/lib/sync/directives/sync-directives.module';
+import { ConfigureSyncModule } from '@codelab/utils/src/lib/sync/components/configure-sync/configure-sync.module';
+import { SyncComponent } from './sync.component';
+
+@NgModule({
+  declarations: [SyncComponent],
+  exports: [SyncComponent],
+  imports: [
+    CommonModule,
+    SlidesModule,
+    SyncPollModule,
+    SyncButtonModule,
+    SyncDirectivesModule,
+    ConfigureSyncModule
+  ]
+})
+export class SyncModule {}
+
+@Component({
+  selector: 'codelab-sync-admin-wrapper',
+  template: '<codelab-sync-survey [admin]="true"></codelab-sync-survey>'
+})
+export class SyncAdminWrapperComponent {}
+
+const routes = RouterModule.forChild(
+  SlidesRoutes.get(SyncAdminWrapperComponent)
+);
+
+@NgModule({
+  declarations: [SyncAdminWrapperComponent],
+  imports: [SyncModule, routes]
+})
+export class SyncAdminModule {}
diff --git a/libs/utils/src/lib/sync/components/registration/registration-viewer/registration-viewer.component.css b/codelab-master/apps/codelab/src/assets/.gitkeep
similarity index 100%
rename from libs/utils/src/lib/sync/components/registration/registration-viewer/registration-viewer.component.css
rename to codelab-master/apps/codelab/src/assets/.gitkeep
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index 000000000..bf081acb1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/assets/images/angular.svg
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 250 250" style="enable-background:new 0 0 250 250;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#DD0031;}
+	.st1{fill:#C3002F;}
+	.st2{fill:#FFFFFF;}
+</style>
+<g>
+	<polygon class="st0" points="125,30 125,30 125,30 31.9,63.2 46.1,186.3 125,230 125,230 125,230 203.9,186.3 218.1,63.2 	"/>
+	<polygon class="st1" points="125,30 125,52.2 125,52.1 125,153.4 125,153.4 125,230 125,230 203.9,186.3 218.1,63.2 125,30 	"/>
+	<path class="st2" d="M125,52.1L66.8,182.6h0h21.7h0l11.7-29.2h49.4l11.7,29.2h0h21.7h0L125,52.1L125,52.1L125,52.1L125,52.1
+		L125,52.1z M142,135.4H108l17-40.9L142,135.4z"/>
+</g>
+</svg>
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index 000000000..a5dce8820
--- /dev/null
+++ b/codelab-master/apps/codelab/src/assets/images/icons/logout.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
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index 000000000..38c7b5dba
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diff --git a/codelab-master/apps/codelab/src/environments/environment.prod.ts b/codelab-master/apps/codelab/src/environments/environment.prod.ts
new file mode 100644
index 000000000..340c086d6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/environments/environment.prod.ts
@@ -0,0 +1,15 @@
+export const environment = {
+  production: true,
+
+  // Firebase
+  // TODO: Create a new firebase app/config for prod deploy.
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
diff --git a/codelab-master/apps/codelab/src/environments/environment.ts b/codelab-master/apps/codelab/src/environments/environment.ts
new file mode 100644
index 000000000..16e2f17eb
--- /dev/null
+++ b/codelab-master/apps/codelab/src/environments/environment.ts
@@ -0,0 +1,19 @@
+// The file contents for the current environment will overwrite these during build.
+// The build system defaults to the dev environment which uses `environment.ts`, but if you do
+// `ng build --env=prod` then `environment.prod.ts` will be used instead.
+// The list of which env maps to which file can be found in `.angular-cli.json`.
+
+export const environment = {
+  production: false,
+
+  // Firebase
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
diff --git a/codelab-master/apps/codelab/src/index.html b/codelab-master/apps/codelab/src/index.html
new file mode 100644
index 000000000..1c5b5e7d6
--- /dev/null
+++ b/codelab-master/apps/codelab/src/index.html
@@ -0,0 +1,54 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8" />
+    <title>Angular Codelab</title>
+    <base href="/" />
+    <script>
+      (function(i, s, o, g, r, a, m) {
+        i['GoogleAnalyticsObject'] = r;
+        (i[r] =
+          i[r] ||
+          function() {
+            (i[r].q = i[r].q || []).push(arguments);
+          }),
+          (i[r].l = 1 * new Date());
+        (a = s.createElement(o)), (m = s.getElementsByTagName(o)[0]);
+        a.async = 1;
+        a.src = g;
+        m.parentNode.insertBefore(a, m);
+      })(
+        window,
+        document,
+        'script',
+        'https://www.google-analytics.com/analytics.js',
+        'ga'
+      );
+
+      ga('create', 'UA-98631463-1', 'auto');
+      ga('send', 'pageview');
+    </script>
+    <link
+      href="https://fonts.googleapis.com/icon?family=Material+Icons"
+      rel="stylesheet"
+    />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+    <link rel="apple-touch-icon" href="assets/icons/touch-icon-ios.png" />
+    <link rel="manifest" href="manifest.webmanifest" />
+    <meta name="theme-color" content="#1976d2" />
+  </head>
+  <body>
+    <codelab-root>
+      <div class="preload">
+        <div></div>
+        <div></div>
+        <div></div>
+        <div></div>
+      </div>
+    </codelab-root>
+    <noscript
+      >Please enable JavaScript to continue using this application.</noscript
+    >
+  </body>
+</html>
diff --git a/codelab-master/apps/codelab/src/locale/codelab.ru.xtb b/codelab-master/apps/codelab/src/locale/codelab.ru.xtb
new file mode 100644
index 000000000..369860262
--- /dev/null
+++ b/codelab-master/apps/codelab/src/locale/codelab.ru.xtb
@@ -0,0 +1,555 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE translationbundle [
+<!ELEMENT translationbundle (translation)*>
+<!ATTLIST translationbundle lang CDATA #REQUIRED>
+
+<!ELEMENT translation (#PCDATA|ph)*>
+<!ATTLIST translation id CDATA #REQUIRED>
+<!ATTLIST translation desc CDATA #IMPLIED>
+<!ATTLIST translation meaning CDATA #IMPLIED>
+<!ATTLIST translation xml:space (default|preserve) "default">
+
+<!ELEMENT ph (#PCDATA|ex)*>
+<!ATTLIST ph name CDATA #REQUIRED>
+
+<!ELEMENT ex (#PCDATA)>
+]>
+<translationbundle lang="ru">
+  <translation id="2339071718884287683">Angular Codelab</translation>
+  <translation id="1902505859733550335">Милый котенок</translation>
+  <translation id="1036270088685658131">В следующем упражнении вы будете использовать созданный ранее компонент</translation>
+  <translation id="9154976499052576586">Здесь перечислены документация, описание функций и событий</translation>
+  <translation id="7127434905431284986">Предположим, имеется HTML файл:</translation>
+  <translation id="5463471054765192731">Это может быть сделано в три этапа.</translation>
+  <translation id="7109785117359301161">Три этапа для создания приложения:</translation>
+  <translation id="8986953020363470779">Создание Angular компонента</translation>
+  <translation id="7117530673690701168">Создание Angular модуля</translation>
+  <translation id="1813487159288766093">Запуск (Bootstrap) модуля</translation>
+  <translation id="7834786013480490982">Компонент определяется декоратором <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>@Component<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> у класса</translation>
+  <translation id="61555616227480717">Создайте первый Angular компонент!</translation>
+  <translation id="8145952131430725333">порядок загрузки:  index -&gt; main -&gt; app.module -&gt; app.component</translation>
+  <translation id="4135298275558664404">Конец раздела загрузки (Bootstrap)</translation>
+  <translation id="470651207723290753">Отлично сработано! Упражнение выполнено!
+</translation>
+  <translation id="dependencyInjection">Внедрение зависимостей</translation>
+  <translation id="dependencyInjectionLearnMore">Узнайте про систему внедрения зависимости в Angular
+</translation>
+  <translation id="3957097669887217853">Отметить  зависимость декоратором @Injectable()</translation>
+  <translation id="5662947366104784178">Передать модулю</translation>
+  <translation id="9143596698887173150">Запросить в компоненте</translation>
+  <translation id="9193697677313937686" desc="Внедрение?">Запрашиваем внедряемый сервис в компоненте</translation>
+  <translation id="6385657961263768030">При привязке можно использовать произвольные выражения</translation>
+  <translation id="6225777299423953966">Почему TypeScript?</translation>
+  <translation id="4845793289318766506">TypeScript</translation>
+  <translation id="4690830357394206486">В TypeScript есть<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph> классы<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph>, и Angular часто их использует.</translation>
+  <translation id="5575767639565396335">Теперь мы можем использовать класс <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>Puppy<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> в другом файле.</translation>
+  <translation id="3591838911718818191">Интерфейсы</translation>
+  <translation id="2778796732744507615">Перечисляемые типы (enums)</translation>
+  <translation id="554505692155626925">Асинхронность / Ожидания</translation>
+  <translation id="2854346138345342774">Деструктурирование</translation>
+  <translation id="4818010747810947110">И много чего еще!</translation>
+  <translation id="1966301836895698534">На следующем слайде будет упражнение по TypeScript</translation>
+  <translation id="2921334658251839102">Выглядеть будет вот так:</translation>
+  <translation id="shorthandFunction">Или пользуйтесь сокращенной натацией</translation>
+  <translation id="errorNotAPuppy">Ошибка: очевидно, что это не собачка</translation>
+  <translation id="thisIsNumber">Это число (number)</translation>
+  <translation id="componentTree">Дерево компонентов</translation>
+  <translation id="4420604777002064279">Родительские и дочерние компоненты</translation>
+  <translation id="3260541536331111879">Родительские и дочерние компоненты</translation>
+  <translation id="7430680760319628492">Обзор</translation>
+  <translation id="5353140049958069641">Упражнение 2</translation>
+  <translation id="componentIsDecorator">@Component это декоратор Angular</translation>
+  <translation id="decoratorGoesAboveEntity">Декоратор указывается над сущностью (классом)</translation>
+  <translation id="componentNameIsClassName">Имя компонента это имя класса (AppComponent)</translation>
+  <translation id="3420408458155669913">Что такое Angular</translation>
+  <translation id="3540108566782816830">Селектор</translation>
+  <translation id="1334525262704836521">Встроенный шаблон</translation>
+  <translation id="8988249734928621313">Модуль</translation>
+  <translation id="8027333466268729668">Декоратор NgModule</translation>
+  <translation id="1434785076190731280">BrowserModule</translation>
+  <translation id="2046003391679469154">Declarations</translation>
+  <translation id="1101953121986747707">Bootstrap</translation>
+  <translation id="4814190538810111436">Создание первого Ng модуля</translation>
+  <translation id="7662751436458775011">Bootstrapping</translation>
+  <translation id="699691489139693623">Bootstrapping 1</translation>
+  <translation id="4470411477201731376">Bootstrapping 2</translation>
+  <translation id="3263507238146950325">Bootstrapping 3</translation>
+  <translation id="shorthandMakesProfessionAvailable">*Сокращения в Typescript  делают &apos;profession&apos; доступным в объекте компонента</translation>
+  <translation id="assumingJobHasPropTitle">предполагая, что Job имеет свойство &apos;.title&apos;</translation>
+  <translation id="2250922476634643797">Параметры</translation>
+  <translation id="8985868511640294928">Тестирование</translation>
+  <translation id="2384026219516877038">Пример</translation>
+  <translation id="thisIsValidHTML">Это рабочий HTML синтаксис.</translation>
+  <translation id="worksOnAttributeSyntax">Так можно привязать значение аттрибутов</translation>
+  <translation id="allowsToConditionallyBindClass" desc="Было: Значение будет меняться в зависимости от переданного выражения">Это позволяет условно сделать привязку к классу</translation>
+  <translation id="orStyleProps" desc="Or style properties&#13;&#10;Или CSS">Или CSS</translation>
+  <translation id="worksWithCustomComponents">Все работает с пользовательскими компонентами</translation>
+  <translation id="whenUserClicksItCallsSaveUser">При нажатии на кнопку, вызовется метод  компонента &quot;saveUser&quot; и передаст соответствующий event.</translation>
+  <translation id="youCanAlsoCreateEventsForCustomComponents">Вы также можете создавать события для собственных компонентов.
+Здесь у нас есть событие &quot;depleted&quot;, которое вызовет &quot;soundAlarm&quot; когда сработает</translation>
+  <translation id="thereAreShortcutEventBindings">Еще есть упрощенный способ привязки событий!
+Если пользователь нажмет CTRL+ENTER, запустится метод submit (это возможность Angular)</translation>
+  <translation id="userNameHasRefToInput">в userName есть ссылка на input</translation>
+  <translation id="tryChangingToTrue">Попробуйте изменить на true!</translation>
+  <translation id="needToRepeatPuppiesHere">Необходимо повторить собачку тут</translation>
+  <translation id="2093245413873276320">Интерполирование</translation>
+  <translation id="8721861281513890587">Cвойства</translation>
+  <translation id="7255408982840762838">Привязка свойства</translation>
+  <translation id="2911314034876616874">Продвинутая привязка данных</translation>
+  <translation id="2009489920751400915">Привязка событий</translation>
+  <translation id="92659757529171106">Повторяющиеся элементы</translation>
+  <translation id="8944028182505149416">Повторение элементов  (*ngFor)</translation>
+  <translation id="6964671906994906253">Упражнение 3</translation>
+  <translation id="useShorthandNotation">Или используйте сокращенную нотацию для функций</translation>
+  <translation id="calledArrowFunction">(стрелочные функции)</translation>
+  <translation id="typescriptCanInferNumber">TypeScript догадается, что это число</translation>
+  <translation id="typescriptCanInferString">TypeScript догадается, что это строка (string)</translation>
+  <translation id="cantAddNumAndBool">Невозможно сложить число с логическим значением</translation>
+  <translation id="cantSliceNum">У прототипа Number нет метода  slice</translation>
+  <translation id="canSliceString">Но можно для строки</translation>
+  <translation id="works">Работает!</translation>
+  <translation id="typeDoesSameThing">Type[]  делает тоже самое.</translation>
+  <translation id="thisIsMethod">Это метод</translation>
+  <translation id="thatsHowRussianDogsTalk">Гав гав</translation>
+  <translation id="nowWeCanInstantiate">Теперь мы можем создать экземпляр класса Puppy</translation>
+  <translation id="andUseItsMethods">И вызвать его методы</translation>
+  <translation id="laterWeWillHaveCode">Потом добавим здесь код</translation>
+  <translation id="letsCreateMorePuppies">Создадим еще собачек</translation>
+  <translation id="varAllowedNotRecommended">Var по-прежнему разрешен, но не рекомендуется.</translation>
+  <translation id="letInsteadOfVar">Let рекомендуется для использования взамен var.</translation>
+  <translation id="letUnavailableOutsideIfUnlikeIf">В отличие от var let недоступен вне this.</translation>
+  <translation id="constLikeLet">Const похож на let, но если вы попробуете изменить его, то TS выдаст ошибку.</translation>
+  <translation id="definitelyBoolean">хорошо, определенно boolean</translation>
+  <translation id="typescript">TypeScript</translation>
+  <translation id="3570291272341874994">Массивы</translation>
+  <translation id="6104897002627313660">Конструктор</translation>
+  <translation id="6722511841825238135">Модификатор доступа</translation>
+  <translation id="7462301153729425254">Экспорт</translation>
+  <translation id="1071721880474488785">Импорт</translation>
+  <translation id="1012910011980066980">Фильтр (последнее)</translation>
+  <translation id="5937251202465808296">Еще...</translation>
+  <translation id="4985288594861826441">Раздел завершен</translation>
+  <translation id="noSemicolon">Тут не должно быть точки с запятой. Декоратор привязывается к классу.</translation>
+  <translation id="CreateYFirstAgApp">Первое приложение на Angular</translation>
+  <translation id="2628877838206351210">Вы узнаете как создать Angular компонент, добавить его в модуль и запустить приложение.</translation>
+  <translation id="3602849743531844327">Знание основ TypeScript</translation>
+  <translation id="templates">Шаблоны</translation>
+  <translation id="6346332284188948979">Узнайте больше о шаблонах в Angular!</translation>
+  <translation id="createClassCodelab">Создайте класс  с именем &apos;Codelab&apos;</translation>
+  <translation id="1425139040251941806">Основы JavaScript.</translation>
+  <translation id="addComponentDecoratorAndSetSelectorToMyVideo">video/video.component.ts: Отметьте компонент декоратором &apos;@Component&apos;  и добавьте в него селектор  &apos;my-video&apos;.</translation>
+  <translation id="addVideoComponentToAppModule">app.module.ts: Объявите компонент VideoComponent в свойстве  &apos;declarations&apos; модуля AppModule.</translation>
+  <translation id="setTemplateUrlToLoadAppropriateFile">video.component.ts Добавьте ссылку на соответствующий HTML файл с шаблоном в свойство templateUrl , чтобы загрузить шаблон в компонент</translation>
+  <translation id="addVideoPropertyAndDecorateWithInput">video/video.component.ts: Добавьте свойство video  и отметьте его декоратором @Input()</translation>
+  <translation id="displayVideoTitle">video/video.component.html: Отобразите название (title) видео</translation>
+  <translation id="displayVideoThumbnail">video/video.component.html: Отобразите превью (src) видео</translation>
+  <translation id="displayVideoDescription">video/video.component.html: Отобразите описание(description) видео</translation>
+  <translation id="displayVideoData">video/video.component.html: Выведите дату видео</translation>
+  <translation id="displayNumberOfVideoViews">video/video.component.html: Отобразите количество просмотров видео(views)</translation>
+  <translation id="displayNumberOfVideoLikes">video/video.component.html: Отобразите количество отметок &quot;нравится&quot;(likes)</translation>
+  <translation id="replaceTitleAndThumbnail">app.html: Замените текущие название и превью видео на наш чудесный компонент &lt;my-video&gt;</translation>
+  <translation id="useDataBindingToPassVideoToComponent">app.html: С помощью биндинга передайте объект &quot;video&quot; в компонент my-video (не забудьте про квадратные скобки)</translation>
+  <translation id="createClassAppComponent">Создайте класс &apos;AppComponent&apos;</translation>
+  <translation id="createClassAppModule">Создайте класс &apos;AppModule&apos;</translation>
+  <translation id="allSetBootstrapApp">Всё готово! Загружайте приложение</translation>
+  <translation id="exportClass">Экспортируйте класс</translation>
+  <translation id="addComponentDecorator">Добавьте классу декоратор @Component</translation>
+  <translation id="addSelectorMyApp">Добавьте селектор &apos;my-app&apos; в @Component декоратор компонента</translation>
+  <translation id="addTemplateHelloMewTube">Добавьте шаблон, содержащий тег h1 с текстом &quot;Hello MewTube!&quot;</translation>
+  <translation id="addNgModuleDecorator">Добавьте классу декоратор NgModule</translation>
+  <translation id="addBrowserModuleToNgModule">Добавьте &apos;BrowserModule&apos; в свойство &apos;imports&apos; декоратора NgModule</translation>
+  <translation id="addAppComponentToDeclarations">Добавьте компонент &apos;AppComponent&apos; к свойству &apos;declarations&apos; у декоратора</translation>
+  <translation id="addAppComponentToBootstrap">Добавьте компонент &apos;AppComponent&apos;  в свойство &apos;bootstrap&apos;  декоратора</translation>
+  <translation id="addIjectableDecoraterToClass">video.service.ts: Добавьте классу декоратор @Injectable()</translation>
+  <translation id="addVideoServiceToNgModule">app.module.ts: Добавьте VideoService в свойство  providers вашего NgModule</translation>
+  <translation id="getRidOfFakeVideos">app.component.ts: Избавьтесь от константы FAKE_VIDEOS</translation>
+  <translation id="injectVideoService">app.component.ts: Внедрите &apos;VideoService&apos; в конструктор компонента как
+ &apos;videoService&apos;
+</translation>
+  <translation id="updateAppComponentSearchmethod">app.component.ts: Сделайте так, чтобы метод &apos;search&apos; компонента использовал метод  &apos;search&apos; сервиса &apos;videoService&apos;</translation>
+  <translation id="addVideosProperty">app.component.ts: Добавьте свойство &apos;videos&apos;, и установите пустой массив в качестве значения.</translation>
+  <translation id="assignFakeVideosToComponent">app.component.ts: Внутри метода &apos;search&apos; установите переменную FAKE_VIDEOS в качестве значения свойства &apos;videos&apos;.</translation>
+  <translation id="addH1HeaderWithATitle">app.html: Добавьте заголовок h1, отобразите там свойство &apos;title&apos; AppComponent&apos;а</translation>
+  <translation id="addSearchMethodOnComponent">app.component.ts: Добавьте в компонент метод &apos;search&apos;, который принимает параметр &apos;searchString&apos;</translation>
+  <translation id="addClickHandlerToButtonCallSearch">app.html: Добавьте обработчик нажатия мышки на кнопку, вызовите метод &apos;search&apos; и передайте значение поля ввода (Сам поиск мы сделаем позже)</translation>
+  <translation id="addMessageNoVideos">app.html: Добавьте сообщение  &apos;no videos&apos;, которое появляется только когда массив videos пуст</translation>
+  <translation id="bonusDisplayAllVideosByDefault">#Bonus app.component.ts: Сейчас вам придется нажать кнопку поиска, чтобы отобразились видео. Поправьте код так, чтобы видео отображались по умолчанию, без нажатия кнопки.</translation>
+  <translation id="insideSearchMethodFilterFakeVideos">app.component.ts: Внутри метода &apos;search&apos; отфильтруйте FAKE_VIDEOS так, чтобы возвращались только видео, название которых содержит искомую строку searchString. (подсказка: используйте .includes или .indexOf строковый метод)</translation>
+  <translation id="alsoDisplayThumbnail">app.html: Отобразите превью</translation>
+  <translation id="IterateWithNgForAndDisplayTitle">app.html: Пройдитесь по массиву videos с помощью &apos;*ngFor&apos; и выведите название каждого видео</translation>
+  <translation id="addButtonWithtextSearch">app.html: Добавьте кнопку (&lt;button&gt;) с текстом  &apos;search&apos; (Поиск)</translation>
+  <translation id="addInputWithPlaceholderVideo">app.html: Добавьте тег input с атрибутом  &apos;placeholder&apos; =  &apos;video&apos;</translation>
+  <translation id="addConstructor">Добавьте конструктор</translation>
+  <translation id="makeConstructorTakeParamGuests">Примите значение &apos;guests&apos; в качестве параметра конструктора</translation>
+  <translation id="specifyTheTypeForGuests">Укажите тип параметра guests (подсказка: массив типа Guest)</translation>
+  <translation id="makeParemeterPublic">Отметьте параметр ключевым словом public (обратите внимание, что теперь вы можете получить к нему доступ в классе, обратившись к this.guests)</translation>
+  <translation id="createNewMethodGetGuestsComing">Создайте метод &apos;getGuestsComing&apos;</translation>
+  <translation id="modifyGetGuestsComingToFilter">Измените метод getGuestsComing так, чтобы он возвращал массив из  элементов &apos;guests&apos;, у которых свойство &apos;coming&apos; равно true.</translation>
+  <translation id="createFirstNgApp">Создайте ваше первое Angular приложение</translation>
+  <translation id="customEvents">Пользовательские события</translation>
+  <translation id="learnHowToBootstrapApp">Узнайте как создать и запустить ваше первое Angular приложение</translation>
+  <translation id="learnUsingTemplates">Узнайте как пользоваться шаблонами в Angular</translation>
+  <translation id="learnToProvideDependencies">Узнайте как использовать систему внедрения звисимостей вместо того, чтобы хардкодить их</translation>
+  <translation id="learnToStructureAppWithReusableComponents">Узнайте как лучше всего организовать ваше приложение с помощью пользовательских компонентов.</translation>
+  <translation id="learnToBindToEvents">Узнайте как привязывать события</translation>
+  <translation id="3356116837774924473">Следующий шаг - определить компонент в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.</translation>
+  <translation id="3156349100343034471">С Angular мы создаем мобильные приложения, используя NativeScript или Ionic</translation>
+  <translation id="300734632059872629">С Angular мы можем создать VR приложения с помощью A-FRAME или WEDGL</translation>
+  <translation id="4295828568066353117">Конец раздела Формы</translation>
+  <translation id="specifyTheTypeForB">Переменная &apos;b&apos; в коде ниже отмечена как ошибка, так как тип отсутствует. Укажите тип переменной &apos;b&apos;.</translation>
+  <translation id="typescriptHighlightsErrorFix224">Благодаря этой информации, TypeScript может указать нам на ошибку. Исправьте eё, чтобы 2 + 2 снова стало равно 4!</translation>
+  <translation id="7555895897701490119">Другие типы, которые можно использовать</translation>
+  <translation id="7759544910570343367">TypeScript</translation>
+  <translation id="3142775397600131493">Пропустите, если вы уже знакомы с TypeScript</translation>
+  <translation id="4686588615295148276">Angular</translation>
+  <translation id="7394559216825981545">Или нажмите сюда чтобы показать все разделы</translation>
+  <translation id="5456916239811751709">Это конец курса от Codelab, но только начало вашего путешествия в Angular. Ниже приведены некоторые ссылки, которые могут помочь вам продолжить изучение.</translation>
+  <translation id="1166207354981984344">Пока в нашем приложении только один компонент, но по мере роста приложения и добавления новых компонентов, у нас получится дерево компонентов</translation>
+  <translation id="5463254600145635312">Внутри компонент может отобразить любой другой с помощью HTML тега, который соответствует селектору выбранного компонента</translation>
+  <translation id="2842394284573918883">Родительский компонент передает свои данные дочернему через свойства</translation>
+  <translation id="8392567546535132259"> Измените <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> размер<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+ на <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> 100 <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> и <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> цвет <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> на <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> красный <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, чтобы получить японский флаг</translation>
+  <translation id="6462196081007759452">Свойства дочернего класса должны быть декорированы специальным <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> @Input() <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> декоратором</translation>
+  <translation id="2816636294709814885">В этом случае мы впервые применяем декораторы к свойствам, а не к классам</translation>
+  <translation id="2478337245338174731">В первом разделе мы изучили как создавать компоненты. Давайте создадим новый компонент VideoComponent и опишем там информацию, связанную с видео.</translation>
+  <translation id="7500497445913951281">Результат будет отображаться автоматически. В итоге должно получиться следующее:</translation>
+  <translation id="3013712804500806977">Компоненты не будут знать друг о друге, если они не задекларированы в общем модуле</translation>
+  <translation id="4335494429592099313">Angular - это <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>платформа разработки<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> для создания приложений под мобильные телефоны и компьютеры. Angular позволяет <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>расширить HTML синтаксис<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> , чтобы кратко и удобно разрабатывать компоненты приложения. Привязка данных (Data Binding) и внедрение зависимостей (Dependency Injection)  позволяют использовать код в существенно меньшем объеме.</translation>
+  <translation id="6161264726933372468">Давайте создадим Angular приложение, которое заменит <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>hello-world<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> HTML элемент некоторым наполнением.
+</translation>
+  <translation id="3518604211309075388">Компонент в Angular - это просто класс. Свойства и поведение описываются внутри этого класса.</translation>
+  <translation id="8963391977207807015">Декораторы - новая функциональность TypeScript. Они описывают мета-данные к классу, функции, свойству класса или переменной.</translation>
+  <translation id="901484278635100487">&apos;Selector&apos; привязывает компонент к соответствующему элементу в HTML структуре документа. Когда Angular находит <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>hello-world<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> HTML тег в документе, он отрисовывает шаблон HelloWorldComponent&apos;а внутри этого тега</translation>
+  <translation id="5776232626408915586">Шаблон (template) определяется HTML кодом, который генерируется компонентом.</translation>
+  <translation id="3490030044563966992">Если количество тегов в HTML растет, можно (и рекомендуется) использовать  <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> templateUrl<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> вместо этого, указав путь к файлу HTML с шаблоном.</translation>
+  <translation id="7639270097778554357">На следующем слайде вы создадите свой первый <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>-компонент!
+Подготовьте компонент и опишите его поведение по предложенным инструкциям, результат будет отображен автоматически. В итоге должно получиться следующее:</translation>
+  <translation id="5126304564648715351"><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> не имеет визуального представления и используется исключительно для группировки функциональных элементов Angular
+</translation>
+  <translation id="5509161378825547695">Мы узнаем больше о NgModule в следующих секциях
+</translation>
+  <translation id="6207292630730452152">В списке <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>declarations<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> определяются компоненты, принадлежащие AppModule</translation>
+  <translation id="6679702569828672754">Компонент, указываемый в списке <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>bootstrap<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> будет создан и показан в файле <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>index.html<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="5729375766021589223">На следующем слайде вы создадите свой первый  <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>-модуль.
+Подготовьте модуль и опишите его поведение по предложенным инструкциям, результат будет отображен автоматически. В итоге получится следующее:</translation>
+  <translation id="6827469684284953312">У нас всё готово, самое время начать (загрузить) приложение</translation>
+  <translation id="5839300755199336558">Передайте <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>AppModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> в метод <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>bootstrapModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, и он запустит все компоненты из раздела bootstrap этого модуля</translation>
+  <translation id="4399973873640793995">Для большинства простых приложений вы можете просто скопировать и вставить код выше «как есть»</translation>
+  <translation id="6908434431695362158">Как работает начальная загрузка в Angular?</translation>
+  <translation id="6874245697228107216">1. Добавим среду исполнения. <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>platformBrowserDynamic()<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> указывает Angular, что мы работаем в браузере</translation>
+  <translation id="3128495234135543796">Узнайте больше о корневом модуле и начальной загрузке в Angular</translation>
+  <translation id="7573108776950995216">2. Angular инициализирует компонент из списка <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>bootstrap<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, указанного в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>app.module.ts<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> (в нашем случае это <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>HelloWorldComponent<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</translation>
+  <translation id="8154401785955657985">3. Angular ищет в документе элемент, соответствующий селектору, определенному в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>HelloWorldComponent<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> (в нашем случае это <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>&apos;hello-world&apos;<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>) и вставляет компонент внутрь этого элемента</translation>
+  <translation id="2407260837719515490">Готово! На следующей странице вы запустите свое первое <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>-приложение</translation>
+  <translation id="1313383644474336301">Теперь, когда у нас есть и NgModule, и готовый компонент, давайте загрузим приложение!</translation>
+  <translation id="4850683624715159256">Пока Angular загружается, содержимое элемента остается неизменным: в нашем случае, &quot;<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Loading...<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>&quot;</translation>
+  <translation id="1349735316800599429">Мы пишем браузерное веб-приложение,  поэтому в списке <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>imports<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> необходимо указать <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>BrowserModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="5369563118314675128"><ph name="START_TAG_DIV"><ex>&lt;div&gt;</ex>&lt;div&gt;</ph>
+    Angular применяется не только для веб-приложений. Вы также можете создавать мобильные приложения и даже VR-зарисовки.
+  <ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex>&lt;/div&gt;</ph>
+  <ph name="START_TAG_DIV_1"><ex>&lt;div&gt;</ex>&lt;div&gt;</ph>
+    <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph><ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+  <ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex>&lt;/div&gt;</ph>
+</translation>
+  <translation id="7427941055850419603" desc="Как насчет вместо &quot;инициальзировано&quot; - &quot;определено&quot;?">Без системы внедрения зависимостей (Dependency Injection), свойство <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>profession<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> должно быть инициализировано внутри класса <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Person<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="916298212817351454">При использовании системы внедрения зависимостей (Dependency Injection), класс  <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Person<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> просто запрашивает объект <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Job<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> в конструкторе. Angular инстанциирует зависимость и передает результат классу.</translation>
+  <translation id="1220299404805905128">При использовании системы внедрения зависимостей Angular сделает это за вас.</translation>
+  <translation id="5041678758489152197">Также внедрение зависимостей (Dependency Injection) значительно упрощает тестирование, так как для этого необходимо просто подать &quot;ложные&quot; зависимости (Mock Dependecies) в параметры конструктора</translation>
+  <translation id="6910202098357920279">Предположим, что у нас есть существующий <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>UnitConverterService<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> и мы хотели бы использовать его в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>UnitConversionComponent<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. Для этого необходимо проделать 3 простых шага:</translation>
+  <translation id="2585772558422043391">Мы помечаем класс декоратором <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>@Injectable()<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, что позволяет Angular понять, что этот класс будет использован в системе внедрения зависимостей.</translation>
+  <translation id="6496971683817494188">Если сервисный класс отмечен декоратором @Injectable(), он может запрашивать другие сервисы в конструкторе</translation>
+  <translation id="287816816593865864">Передайте все экспортируемые (injectable) зависимости в секцию <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>providers<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> вашего <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph></translation>
+  <translation id="3053323241161491226">Теперь этот сервис становится доступным для всех <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>компонентов<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph> и других сервисов в  <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex></ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex></ph>.</translation>
+  <translation id="4224784797203649406">Благодаря <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> private<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>  модификатору доступа, сервис становится доступным через класс как <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>this.converter<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="8777170680797795530">На следующем слайде вы используете (и внедрите) videoService, в котором будет еще больше котиков!!! Результат будет выглядеть вот так:</translation>
+  <translation id="3770170783025031996" desc="Banana in the box решил оставить как есть">[(ngModel)] - <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Banana in the box<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> — мнемоника для такого порядка скобок</translation>
+  <translation id="1775873765805142503">У Angular очень выразительная система шаблонов, основанная на HTML, которую можно расширить новыми элементами</translation>
+  <translation id="8908084104333691137">В двойные фигурные скобки записывается нужное свойство компонента</translation>
+  <translation id="6743006858339549834">Обратные кавычки <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>` `<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> — волшебные кавычки, позволяющие делать переносы строк и использовать строковую интерполяцию</translation>
+  <translation id="2708214618841180970">Также можно использовать простые выражения: вы можете вызвать метод компонента (как fullName() ниже) или вычислить <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>323213+34234<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph></translation>
+  <translation id="3402523483542521336">На следующем слайде отредактируйте шаблон компонента, чтобы создать простой заголовок и форму поиска. Результат должен выглядеть следующим образом:</translation>
+  <translation id="8669367464399341938">Строковая интерполяция <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{ curlies }}</ex>{{ curlies }}</ph><ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> также позволяет передавать значения в атрибуты дочерних элементов</translation>
+  <translation id="1929429019008245822">      Но лучше использовать property binding (привязку свойств) <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>[attribute]=&quot;property&quot;<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+</translation>
+  <translation id="5131679624196947189">Angular поддерживает более продвинутые привязки свойств, чем просто имя атрибута</translation>
+  <translation id="5621752484434623785">Это условное выражение добавляет или удаляет DOM элемент по условию</translation>
+  <translation id="3782868128792375360">На следующем слайде добавьте обработчик нажатий кнопки поиска и отображение сообщения для случая, когда ни одно видео не было найдено. Результат должен выглядеть следующим образом:</translation>
+  <translation id="2098931711932592374">Допустим, у нас есть список щенков, и мы хотим отобразить их на странице. Для этого в Angular есть специальный синтаксис — <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>*ngFor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+Давайте посмотрим, как это работает на следующем слайде</translation>
+  <translation id="2278439158834501962">Для каждого щенка в массиве всех щенков<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>*ngFor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> повторяет тот HTML-элемент, в котором и указан (в этом случае li)</translation>
+  <translation id="6900873423530266803"> HTML-атрибуты в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> регистрозависимы:
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="START_STRIKETHROUGH_TEXT"><ex>&lt;s&gt;</ex>&lt;s&gt;</ph>*ngfor<ph name="CLOSE_STRIKETHROUGH_TEXT"><ex>&lt;/s&gt;</ex>&lt;/s&gt;</ph><ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> не сработает, а <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>*ngFor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> сработает</translation>
+  <translation id="1916497009459167443">На следующем слайде вы, наконец, покажете видео! Результат будет выглядеть следующим образом:</translation>
+  <translation id="3450228617967699820" desc="&quot;отличный язык, но ему есть куда стремиться&quot;&#13;&#10;Я бы написал &quot;отличный язык, однако при его использовании есть некоторая специфика&quot;&#13;&#10;Потому что JS по задумке как раз лишен строгой типизации. Это не его недостаток или недоработка создателей, это именно особенность"><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>JavaScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> – отличный язык, однако, при его использовании есть некоторая специфика:</translation>
+  <translation id="7378420032672625836"><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>ES<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> расшифровывается как
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>ECMAScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph><ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> - стандарт языка JavaScript.</translation>
+  <translation id="1603010177589300581">Кроме этого, TypeScript расширяет систему типов и декораторов</translation>
+  <translation id="519638442093250618">Декораторы выглядят как @twitter_handles, мы изучим их позже</translation>
+  <translation id="8469244833465514706">Ниже приведена функция <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>add<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, где мы складываем 2 + 2. Что может пойти не так?</translation>
+  <translation id="3382055352600412380">Оказывается, можно передать строку в качестве параметра и получить
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>22<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> вместо <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>4<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. Давайте посмотрим, как TypeScript поможет нам это предотвратить.</translation>
+  <translation id="7706542074780362578">В TypeScript для указания типа используется &quot;<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>:<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>&quot; (например,
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>n: number<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>). Как <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>a<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, так и <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>b<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> должны быть числами. Мы указали тип <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>a<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, теперь ваша очередь!</translation>
+  <translation id="4416420426193040614">Код выше можно редактировать</translation>
+  <translation id="5300204482622127378">Здесь каждый элемент в массиве <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>betterCats<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> — экземпляр интерфейса <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Cat<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.</translation>
+  <translation id="952111865578275945">Они похожи на классы в других языках программирования и используются для группировки методов и свойств</translation>
+  <translation id="5150753083587849200">В классе есть специальный метод: <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>constructor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, который вызывается при создании класса и позволяет записать полученные параметры в свойства класса.</translation>
+  <translation id="462788382585371115">Параметры конструктора, отмеченные как <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> public <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> (или private, или protected), записываются в свойства класса. Они будут доступны как <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> this.ParameterName <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> внутри класса.</translation>
+  <translation id="4472178753190540128">Свойства &apos;private&apos; или &apos;protected&apos; не могут быть использованы вне класса.</translation>
+  <translation id="6571723708298379001">Возможно, вы заметили оператор <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> export <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> перед классом.
+Он используется для того, чтобы сделать класс доступным в других файлах. На следующем слайде мы покажем вам, как импортировать и использовать тот класс в другом файле.</translation>
+  <translation id="687605542005054114">&quot;<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>filter<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>&quot; - метод массива, который позволяет генерировать новый массив, выбрав только значения,  удовлетворяющие условию</translation>
+  <translation id="2776231080049358900">TypeScript поддерживает множество других интересных и полезных штук, например:</translation>
+  <translation id="2824004502397491284">Стрелочные функции</translation>
+  <translation id="425764765304851377">Мы не будем рассматривать их подробно, вы можете ознакомиться с ними на сайте <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph> TypeScript <ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="6106271638521818742">Ваша задача - создать TypeScript класс и назвать его CodeLab. При создании он получит список гостей. Также мы создадим метод, который выведет список тех, кто придет.</translation>
+  <translation id="1232468595022253521">ES7</translation>
+  <translation id="7684186891767163500">Декораторы</translation>
+  <translation id="8826294926629434573">Типы</translation>
+  <translation id="5784427236154138130">TypeScript</translation>
+  <translation id="643059253899545925">Классы</translation>
+  <translation id="7034028115313507184">Модули</translation>
+  <translation id="2396430173482915571">Далее...</translation>
+  <translation id="1697699319086615837">Используйте клавиши <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>←<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> и <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>→<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> на клавиатурe для навигации по слайдам.</translation>
+  <translation id="9018170935953099606">Необходимые знания</translation>
+  <translation id="4712788926759159307">Опишите ошибку, или поделитесь идеями</translation>
+  <translation id="perfect">Отлично</translation>
+  <translation id="good">Хорошо</translation>
+  <translation id="ok">Норм</translation>
+  <translation id="hopedForMore">Не очень</translation>
+  <translation id="3134509873264839334">Оцените этот урок ...</translation>
+  <translation id="5047002157177956173">Узнайте как быстро начать работу над вашим Angular приложением</translation>
+  <translation id="943157291250853394">Дерево компонентов</translation>
+  <translation id="1106515989755785596">Научитесь выстраивать взаимосвязь между компонентами</translation>
+  <translation id="2078785402028999261">Формы</translation>
+  <translation id="8668858903892446127">Добавьте несложные формы в ваше приложение</translation>
+  <translation id="4263648592710459003">Material Design</translation>
+  <translation id="794755284646120063">Узнайте как использовать библиотеку Angular Material</translation>
+  <translation id="3035675235126347102">Маршрутизация</translation>
+  <translation id="5735074005289672847">Узнайте как добавить маршрутизацию в ваше приложение</translation>
+  <translation id="2332684851324173587">Этот курс написан на Angular и <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>доступен на  Github<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>. Пожалуйста, поставьте ⭐, если вам понравилось! :)</translation>
+  <translation id="4905842152994295720">Привет, я - <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>angular-cli<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, я инструмент для командой строки!</translation>
+  <translation id="1337679769155326866">Прежде всего убедитесь, что на вашем компьютере есть node.js.</translation>
+  <translation id="5523986709480171160">Откройте командную строку и введите: <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>node -v<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph></translation>
+  <translation id="1982801473038876401">Если увидите ошибку, следуйте  <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>инструкциям по настройке Node.js<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="8193695606609908840">Перейдите в папку с только что созданным приложением и запустите его командой <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng serve<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph></translation>
+  <translation id="4530312955809743235">Когда приложение запустится, откройте
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>http://localhost:4200/<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> в вашем браузере</translation>
+  <translation id="1559754683396073636">Вы можете сгенерировать новые компоненты командой
+      <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng generate component my-component<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph></translation>
+  <translation id="2534370177218622487">Вы также можете генерировать модули, сервисы и пайпы</translation>
+  <translation id="283640338338989513">Можно использовать упрощенную версию: <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng g c my-component<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph></translation>
+  <translation id="7762953763922284011">У нас есть несложная форма, давайте разберемся как привязать ее значения к параметрам компонента</translation>
+  <translation id="6425132401823114131">Сначала необходимо добавить  <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>FormsModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> в наш NgModule</translation>
+  <translation id="7747367449350171293">Далее мы можем использовать ngModel, чтобы привязать поля ввода к соответствующим параметрам компонента. </translation>
+  <translation id="4133557133353776426">Пропробуйте поменять значение полей ввода, чтобы обновить значения</translation>
+  <translation id="6063238187884699771">Давайте сделаем поле &quot;username&quot; обязательным (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>required<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</translation>
+  <translation id="8993640169220425895">Теперь отобразим валидационную ошибку. Для этого нужно проделать следующее:</translation>
+  <translation id="2140417106288915448">Получить доступ к модели (ngModel) поля ввода с помощью  <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>#name=&quot;ngModel&quot;<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="5910204214213293332">Использовать свойство <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> errors <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> у свойства <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>usernameModel<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="4692187312954805852">Попробуйте очистить поле username, чтобы увидеть ошибку</translation>
+  <translation id="8486095358633987531">Ниже представлен список <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>встроеных валидаторов<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>, которые используются в Angular</translation>
+  <translation id="3901733599428143571">min - Минимальное значение (для чисел)</translation>
+  <translation id="5386793486940113646">max - Максимальное значение (для чисел)</translation>
+  <translation id="1555721751742522708">required - Обязательное значение</translation>
+  <translation id="3347261489424376125">requiredTrue - Обязательное правдивое значение для флага</translation>
+  <translation id="7315714079098881460">email - Соответствие регулярному выражению email&apos;а</translation>
+  <translation id="2218960621606808970">minLength - Минимальная длина текстового поля</translation>
+  <translation id="2060941282153877777">maxLength - Максимальная длина текстового поля</translation>
+  <translation id="7676249558622794260">pattern - Регулярное выражение для текстового поля</translation>
+  <translation id="4722824416758060415">Можно также создавать собственные валидаторы, узнайте больше: <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>здесь<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="6090593566257988703">Осталось решить небольшую проблему: если не указывать изначальные значение полей ввода, ошибка будет отображена сразу</translation>
+  <translation id="7933306550899658878">Мы можем проверить, взаимодействовал ли пользователь с полем ввода с помощью свойства   <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>touched<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.</translation>
+  <translation id="7424734033590338116">Значение <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>touched<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>  положительно, если юзер сфокусировался на поле ввода и после убрал фокус, не меняя значение.</translation>
+  <translation id="4624575175624080439">Попробуйте добавить/убрать фокус с поля ввода, или добавить/удалить значение, чтобы увидеть ошибку.</translation>
+  <translation id="3876627808167319645">Теперь давайте сделаем нашу форму красивой с помощью Material Design.
+Основные строительные блоки:</translation>
+  <translation id="3286433456748135142"><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>mat-form-field<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> - Обертка вокруг поля ввода</translation>
+  <translation id="304466263354781991"><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>matInput<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> - Аттрибут должен быть добавлен на поле ввода
+</translation>
+  <translation id="8297804625326045690"><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>mat-error<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> - Умная обертка для ошибок</translation>
+  <translation id="3440673282637430108">Обратите внимание, что нам больше не нужно добавлять <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>#name<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> на поле ввода.</translation>
+  <translation id="1410328259781563181">На следующем слайде будет упражнение, в котором мы добавим форму на страницу загрузки.</translation>
+  <translation id="2445797033343456600">Обратите внимание: вам нужно будет вручную нажать на кнопку upload, чтобы увидеть результат</translation>
+  <translation id="5553423473844264824">Есть два основных способа работы с формами в Angular. Пока раздел <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Продвинутых форм<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> в разработке, прочитайте <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph> документацию Angular <ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="1048302075193478813">Быстрые</translation>
+  <translation id="7436636522347025101">Гибкие в использовании</translation>
+  <translation id="6362038180167515562">Поддерживают Accessibility(доступность в использовании)</translation>
+  <translation id="4824840533916827883">Оптимизированы для Angular</translation>
+  <translation id="332404582323211180">Отлично выглядят на мобильных устройствах</translation>
+  <translation id="1384935740236089810">Вы можете посмотреть список компонентов
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>здесь<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="5179157556117527268">Добавьте <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>MatToolbarModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> в импорты</translation>
+  <translation id="5392852815080322940">Используйте компонент в шаблоне</translation>
+  <translation id="4611890716836134126">Обратите внимание, что анимации в Angular вынесены в отдельный модуль. Мы добавляем
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NoopAnimationsModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> здесь, но могли бы использовать
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>BrowserAnimationsModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> вместо того, чтобы получить полноценные анимации.</translation>
+  <translation id="9159121920453591417">Теперь давайте добавим material card</translation>
+  <translation id="7240476994819291465">Заголовок и картинка</translation>
+  <translation id="9206609904661056407">Добавим пару кнопок</translation>
+  <translation id="5230163445973304109">Обратите внимание, что мы используем аттрибут <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>mat-button<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> вместо отдельного тега.</translation>
+  <translation id="5274217387047721869">Indigo</translation>
+  <translation id="7493644276322780505">Deep purple</translation>
+  <translation id="1453230058388265146">Pink</translation>
+  <translation id="6699275925990014857">Purple</translation>
+  <translation id="8974626884127165311">На следующем слайде будет упражнение. Мы применим Angular Material к нашему приложению.</translation>
+  <translation id="943558698651917560">Примечание: В результате наше приложение не будет выглядеть так прекрасно как могло бы, но мы работаем над этим.</translation>
+  <translation id="1931968164617039768">Котятки</translation>
+  <translation id="6707280048767596762">Щеночки</translation>
+  <translation id="6382596231037789146">Настройте машрутизацию, привязав компоненты к соответствующим URL
+</translation>
+  <translation id="5711045063225432498">Создайте меню</translation>
+  <translation id="5553583971169159914">Выберите место, где отобразить выбранный компонент</translation>
+  <translation id="1258665563482381976">Потом передадим конфигурацию в наш модуль</translation>
+  <translation id="7206914066261457043">Обратите внимание, что мы используем <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>RouterModule.forRoot<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, который превращает нашу конфигурацию в Модуль Angular.</translation>
+  <translation id="2601425993761834840">Теперь выберем место, где роутер отобразит выбранный компонент.</translation>
+  <translation id="2385039709831220213">Мы можем сделать это положив тег <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>router-outlet<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> в нужное место в нужном компоненте</translation>
+  <translation id="1472582053378549544">Осталось создать меню</translation>
+  <translation id="2583626845709708422">Используйте директиву <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>routerLink<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> чтобы передать ссылку</translation>
+  <translation id="7666470893157840853">На следующем слайде будет упражнение, в котором мы добавим два роута:
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Search<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> и <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Upload<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> и меню для переключения между ними</translation>
+  <translation id="6990537880445556268">Мы уже создали пустой компонент Upload и SearchComponent, содержащий логику для поиска.</translation>
+  <translation id="33440573074633014">Изучите <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Angular Router Guide<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> чтобы подняться на более продвинутый уровень.</translation>
+  <translation id="2050435296171660186">Без системы внедрения зависимостей, вам придется разбираться со всеми параметрами самостоятельно.</translation>
+  <translation id="4302113860648465389">Добро пожаловать в интерактивный курс по Angular. Здесь вы сможете выучить основы <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Angular<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>!</translation>
+  <translation id="AddMatModules">app.module.ts: Добавьте MatCardModule и MatToolbarModule в свойство &quot;imports&quot;.</translation>
+  <translation id="AddMatToolbar">app.html: Добавьте material toolbar, содержащий значение свойства title</translation>
+  <translation id="UseMatCard">video/video.component.html: Используйте material card, чтобы отобразить дату</translation>
+  <translation id="AddMatCardTitle">video/video.component.html: Добавьте mat-card-title (внутри of the mat-card), чтобы отобразить заголовок видео (title)</translation>
+  <translation id="AddMatCardSubtitle">video/video.component.html: Добавьте mat-card-subtitle (внутри mat-card), чтобы отобразить описание (description)</translation>
+  <translation id="AddMatImage">video/video.component.html: Добавьте к картинке (img) аттрибут mat-card-image  и ее ширина увеличится до ширины mat-card</translation>
+  <translation id="MoveDataToNewComponent"> video/video.component.html: Перенесите дату/информацию о просмотрах/лайках в mat-card-content (внутри mat-card)</translation>
+  <translation id="UseRouterModule">app.module.ts: Используя RouterModule.forRoot, передайте пустой массив в модуль</translation>
+  <translation id="AddEmptyRoute">app.module.ts: Добавьте роут с пустым (&apos;&apos;) путем, отображающий SearchComponent</translation>
+  <translation id="AddUploadRoute">app.module.ts: Добавьте роут с путем (&apos;upload&apos;), отображающий UploadComponent</translation>
+  <translation id="AddRouterOutlet"> app.html: Добавьте router-outlet</translation>
+  <translation id="AddSearchMenu">app.html: Добавьте пункт меню с текстом &quot;Search&quot;, ведущий на &quot;/&quot;
+</translation>
+  <translation id="AddUploadMenu">app.html: Добавьте пункт меню с текстом &quot;Upload&quot;, ведущий на &quot;/upload&quot;
+</translation>
+  <translation id="6930162363603699164">Следующий слайд</translation>
+  <translation id="4201318520171370271">Показать только следующий шаг</translation>
+  <translation id="316509725772872372">Введение</translation>
+  <translation id="5129000868542765663">Установка</translation>
+  <translation id="111382302678883601">Создание нового приложение на Angular</translation>
+  <translation id="4986257953238550386">Запускаем приложение</translation>
+  <translation id="3483089624374648626">Генерируем компоненты</translation>
+  <translation id="7918580779851885096">Упражнение 1</translation>
+  <translation id="2606744025024635328">Узнайте, как настроить роутинг в вашем Angular приложении</translation>
+  <translation id="8428348909593474745">Шаг 1</translation>
+  <translation id="2088668399944240044">Декораторы</translation>
+  <translation id="9056543421332015840">Упражнение</translation>
+  <translation id="3943314737845757694">Шаг 2</translation>
+  <translation id="5354338296880936637">К разделу &quot;Шаблоны&quot;</translation>
+  <translation id="8221226883715428312">Пример зависимости</translation>
+  <translation id="6832879550227262389">Сравнение</translation>
+  <translation id="5526580419389054630">Шаг 3</translation>
+  <translation id="6756063415709931138">Узнайте, как комбинировать компоненты</translation>
+  <translation id="6479000658382583894">Простая форма</translation>
+  <translation id="6840782180922133192">NgModel</translation>
+  <translation id="2957163997998056771">Валидация</translation>
+  <translation id="2567247212086724875">Отображение ошибки валидации</translation>
+  <translation id="7356419770205292883">Валидаторы</translation>
+  <translation id="9096582104534626115">Свойства Touched &amp; Dirty</translation>
+  <translation id="544989820040948372">Material инпуты (бонус!)</translation>
+  <translation id="1590022389491166903">Теперь сделаем наше приложение более привлекательным при помощи
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Angular Material<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> ✨✨</translation>
+  <translation id="5691966639616932851">MatCard</translation>
+  <translation id="1176939237964189014">Заголовок MatCard</translation>
+  <translation id="3795029841604666695">MatButton</translation>
+  <translation id="2798270190074840767">Темы оформления</translation>
+  <translation id="8060234990603309275">Узнайте, как создавать простые формы в Angular</translation>
+  <translation id="3008420115644088420">Конфигурация</translation>
+  <translation id="2102825898069375693">Меню</translation>
+  <translation id="2000882412474211848">Узнайте, как создавать красивые интерфейсы с помощью Angular Material</translation>
+  <translation id="2654534150745917262">Узнайте, как использовать Angular Dependency Injection</translation>
+  <translation id="3895697023415732905">Система типов</translation>
+  <translation id="1956073378030411818">Классы</translation>
+  <translation id="2009894380211077290">Узнайте, как создать ваше первое Angular приложение!</translation>
+  <translation id="9187829672586532965">Angular CLI — инструмент для командной строки, который можно использовать для ускорения работы с вашим Angular приложением</translation>
+  <translation id="2419502187482209382">Передача данных от родительского компонента к дочернему
+</translation>
+  <translation id="2019129744675333223">Начнем с создания Angular <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> Component <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>&apos;а. Компоненты в Angular отвечают за визуальную часть приложения.
+</translation>
+  <translation id="6183779997512008819">Как и компонент, модуль в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> - это просто класс 👍(JavaScript class)</translation>
+  <translation id="3985764469731255581">Как и компонент, модуль в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> оборачивается в декоратор, в котором задается конфигурация модуля</translation>
+  <translation id="204452644781750281">При помощи готовых директив, включенных в Angular, можно легко добавить валидацию инпутов</translation>
+  <translation id="1433726886237690907">Если вы очистите инпут, он будет помечен ошибкой, однако при этом никакой ошибки показано не будет. На следующем слайде мы узнаем, как их отображать.</translation>
+  <translation id="938217018662676611">Прочитайте больше о темах Angular Material
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>в этом руководстве<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="1679994121974369604">Роуты настраиваются с помощью создания списка, привязывающего  URL-адресами к соответствующим компонентам</translation>
+  <translation id="6019360885418718089">router-outlet</translation>
+  <translation id="8930981603461909094">В этом примере, <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>realPuppy<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> — экземпляр интерфейса <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Puppy<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.
+</translation>
+  <translation id="2311168139770217773">Angular-cli</translation>
+  <translation id="4915312620327409019">Ошибка всегда показана</translation>
+  <translation id="angularWrittenInTypeScript">Angular написан на TypeScript, который, в свою очередь, является расширением JavaScript. Узнайте больше о TypeScript.</translation>
+  <translation id="AngularIsWrittenInTypeScript">Angular написан на TypeScript. Узнайте больше про основы языка.
+</translation>
+  <translation id="3337298293457902572">JavaScript не поддерживает строгую типизацию, что затрудняет разработку крупных приложений</translation>
+  <translation id="1580375574119219994">TypeScript добавляет новую функциональность из следующей версии JavaScript</translation>
+  <translation id="4771765980799553216">node</translation>
+  <translation id="1769865782711595328">позволяет легко создавать работающее приложение прямо из коробки и генерировать новые компоненты! Он также настраивает конфигурацию сборки.</translation>
+  <translation id="5801908609593051593">Далее: </translation>
+  <translation id="3632098750723132623">Angular Material предоставляет набор Angular компонентов в стиле
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Material Design<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>, которые имеют ряд преимуществ: </translation>
+  <translation id="7498942977565054992">MatToolBar</translation>
+  <translation id="5706278102391803377">Смотрите также <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>руководство для начала работы с Angular Material<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="239501121574257057">Таким образом, наш компонент будет зависеть от VideoService</translation>
+  <translation id="7872178699271799911">Далее...</translation>
+  <translation id="4167729314672427096">Показать все шаги</translation>
+  <translation id="6123662742212719424">Декораторы в <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph> Angular <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> добавляют специальную информацию к классу.</translation>
+  <translation id="387888043502947069">Условное отображение (*ngIf)</translation>
+  <translation id="7650606661639729179">Этот курс написан на Angular</translation>
+  <translation id="7247528943225057900">Поставьте нам  ⭐ если вы выучили что-то полезное</translation>
+  <translation id="3365331980798848575">Не надо меня бояться, меня легко использовать</translation>
+  <translation id="4085083794028560127">Если в результате увидите число(номер версии), то все в порядке, переходите на следующий слайд. </translation>
+  <translation id="4042225532935248191">Декораторы в TypeScript были созданы по образу и подобию аналогичной функциональности в языке Python.</translation>
+  <translation id="6152129975764793011">Мы показываем захардкоженый список видеозаписей в нашем компоненте, но в реальном приложении мы бы загрузили их с сервера</translation>
+  <translation id="1360085883339715410">Код для получения данных был бы выделен в отдельный класс (сервис) с именем  VideoService </translation>
+  <translation id="3398399443611989744">С ростом нашего приложения, увеличивается и число зависимостей. В свою очередь, зависимости будут обрастать собственными зависимостями. Держать это все под контролем вручную становится все сложнее и сложнее</translation>
+  <translation id="7439203421419595915">Чтобы упростить это, у <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> есть механизм, который называется <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Dependency injection<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> </translation>
+  <translation id="5839870276585422607" desc="AddFormsModule">app.module.ts: Добавьте FormsModule и MatInputModule в свойство &quot;imports&quot;.</translation>
+  <translation id="891470929346566427" desc="AddTitle">upload/upload.component.html: Добавьте поле ввода &quot;title&quot; и привяжите его к свойству title компонента </translation>
+  <translation id="6729408012939811950" desc="AddDescription">upload/upload.component.html: Добавьте текстовое поле (textarea) &quot;description&quot; и привяжите к свойству description компонента </translation>
+  <translation id="8362373699100533468">Значение <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>dirty<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> положительно, если пользователь изменил значение текстового поля.</translation>
+  <translation id="889876683989703032">Узнайте, как начать работу с Angular приложением в разделе &quot;Angular-cli&quot;</translation>
+  <translation id="1020036473936546385">Все компоненты Angular Material позволяют применять темы. Попробуйте различные темы, нажимая на кнопки ниже:</translation>
+  <translation id="240729475417950372">Router is used to give <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>URLs<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to different parts of your app.</translation>
+  <translation id="1358575841391121669">Новая функциональность последних версий стандарта JavaScript часто может не поддерживаться в некоторых браузерах</translation>
+  <translation id="3691746292360137570">Поэтому был создан <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>TypeScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. Так как TypeScript может быть скомпилирован в JavaScript, он поддерживает все версии современных браузеров. </translation>
+  <translation id="6019046071155114697">TypeScript расширяет последнюю версию JavaScript</translation>
+  <translation id="3449159358361800656">Интерфейсы в Typescript позволяют указывать, какие свойства и методы должны быть у объекта</translation>
+  <translation id="5672896818220555303">Типы массивов указываются с помощью <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Array<ph name="INTERPOLATION"><ex>{{ &apos;&lt;&apos; }}</ex>{{ &apos;&lt;&apos; }}</ph> тип <ph name="INTERPOLATION_1"><ex>{{ &apos;&gt;&apos; }}</ex>{{ &apos;&gt;&apos; }}</ph><ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> или <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Type[]<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="9170081835282059303"><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>import<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> и <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>export<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> предназначены не только для классов. Они работают и с переменными, функциями и другими конструкциями!</translation>
+  <translation id="8077012278759389172">Accessors (Getters / Setters)</translation>
+  <translation id="3264452655068017433">Имя</translation>
+  <translation id="4040670753951663745">Email (не обязателен и будет спрятан)</translation>
+  <translation id="6672095411961477302">Отправить</translation>
+  <translation id="7780216916864532511">Исходный код открыт на 100% и доступен на
+        <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>
+          Github
+        <ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="8146812459539176062">Примитивные типы (string, number, и прочие...)
+</translation>
+  <translation id="790391870463021212">Теперь вы знаете достаточно <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>TypeScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> чтобы начать изучение
+          <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>! Узнайте больше о TypeScript на
+          <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>TypeScript веб-сайт<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph></translation>
+  <translation id="5362445790127467384">Дополнительные возможности привязки событий</translation>
+  <translation id="3944267632594384457">Мы познакомимся с более удобным способом работы с текстовыми полями в разделе &quot;Формы&quot;</translation>
+  <translation id="5809886278086223708">Настроить маршрутизацию в Angular можно в 3 шага:</translation>
+  <translation id="802747981858883975">Конец раздела &quot;Маршрутизация&quot;</translation>
+  <translation id="7915809409906759185">Вы можете добавить material toolbar в два шага:</translation>
+  <translation id="606239688044547568">Конец раздела &quot;angular-cli&quot;</translation>
+  <translation id="3925110322481983370">Выполните <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>npm install -g @angular/cli<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>, чтобы
+ установить
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular cli<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> на ваш компьютер</translation>
+  <translation id="847815468721324902">Чтобы создать новое Angular приложение, выполните:
+      <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng new awesome-app<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>, затем <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>cd awesome-app<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph></translation>
+  <translation id="4707431474993551896">Конец раздела &quot;angular-cli&quot;</translation>
+  <translation id="8465131485233524062">Для обработки действий пользователя можно использовать привязку событий (event-binding). Для этого мы оборачиваем имя события в скобки и передаем выражение-обработчик:</translation>
+  <translation id="7777498168007367858">В качестве альтернативы использования скобок для обозначения привязки событий (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>(event)<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>), может быть использован префикс &quot;on-&quot;, например <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>on-click<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> это то же самое что и <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>(click)<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.</translation>
+  <translation id="6553987567173031055">Angular также предоставляет удобный способ обработки горячих клавиш.
+Попробуйте обновить сообщение, нажав Control + Enter в текстовом поле.</translation>
+  <translation id="1375939118759231175">Чтобы получить доступ к HTML элементу или Angular компоненту из шаблона, можно пометить этот элемент как <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>#name<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, и он станет доступным как <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>name<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> во всём шаблоне: </translation>
+</translationbundle>
diff --git a/codelab-master/apps/codelab/src/locale/messages.xmb b/codelab-master/apps/codelab/src/locale/messages.xmb
new file mode 100644
index 000000000..8dda6fbd1
--- /dev/null
+++ b/codelab-master/apps/codelab/src/locale/messages.xmb
@@ -0,0 +1,1256 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE messagebundle [
+<!ELEMENT messagebundle (msg)*>
+<!ATTLIST messagebundle class CDATA #IMPLIED>
+
+<!ELEMENT msg (#PCDATA|ph|source)*>
+<!ATTLIST msg id CDATA #IMPLIED>
+<!ATTLIST msg seq CDATA #IMPLIED>
+<!ATTLIST msg name CDATA #IMPLIED>
+<!ATTLIST msg desc CDATA #IMPLIED>
+<!ATTLIST msg meaning CDATA #IMPLIED>
+<!ATTLIST msg obsolete (obsolete) #IMPLIED>
+<!ATTLIST msg xml:space (default|preserve) "default">
+<!ATTLIST msg is_hidden CDATA #IMPLIED>
+
+<!ELEMENT source (#PCDATA)>
+
+<!ELEMENT ph (#PCDATA|ex)*>
+<!ATTLIST ph name CDATA #REQUIRED>
+
+<!ELEMENT ex (#PCDATA)>
+]>
+<messagebundle>
+  <msg id="createFirstNgApp"><source>src/app/components/index/index.component.html:2,4</source>
+    Create your first Angular app
+  </msg>
+  <msg id="templates"><source>src/app/components/index/index.component.html:5</source><source>src/app/codelabs/angular/templates/templates.component.html:119</source>Templates</msg>
+  <msg id="dependencyInjection"><source>src/app/components/index/index.component.html:6,8</source><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:40</source>
+    Dependency-Injection
+  </msg>
+  <msg id="componentTree"><source>src/app/components/index/index.component.html:9</source>Component-Tree</msg>
+  <msg id="customEvents"><source>src/app/components/index/index.component.html:10</source>Custom-Events</msg>
+  <msg id="angularWrittenInTypeScript"><source>src/app/components/index/index.component.html:11,14</source>
+    Angular is written in TypeScript, a superset of JavaScript. Learn
+    TypeScript.
+  </msg>
+  <msg id="learnHowToBootstrapApp"><source>src/app/components/index/index.component.html:15,17</source>
+    Learn how to create and bootstrap your first Angular application
+  </msg>
+  <msg id="learnUsingTemplates"><source>src/app/components/index/index.component.html:18,20</source>
+    Learn how to use Angular templates
+  </msg>
+  <msg id="learnToProvideDependencies"><source>src/app/components/index/index.component.html:21,23</source>
+    Learn how to provide dependencies to your code instead of hard-coding them
+  </msg>
+  <msg id="learnToStructureAppWithReusableComponents"><source>src/app/components/index/index.component.html:27,29</source>
+    Learn how to structure your app with reusable components
+  </msg>
+  <msg id="learnToBindToEvents"><source>src/app/components/index/index.component.html:30,32</source>
+    Learn to bind to events.
+  </msg>
+  <msg id="2339071718884287683"><source>src/app/components/index/index.component.html:40</source>Angular Codelab</msg>
+  <msg id="4302113860648465389"><source>src/app/components/index/index.component.html:41,44</source>
+      Welcome to the interactive Angular Codelab. Here you can learn the basics
+      of <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Angular<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>!
+    </msg>
+  <msg id="7759544910570343367"><source>src/app/components/index/index.component.html:52</source>Learn TypeScript</msg>
+  <msg id="3142775397600131493"><source>src/app/components/index/index.component.html:53</source>Skip if you&apos;re familiar with TypeScript</msg>
+  <msg id="4686588615295148276"><source>src/app/components/index/index.component.html:59</source>Learn Angular</msg>
+  <msg id="7394559216825981545"><source>src/app/components/index/index.component.html:68,70</source>
+      Or click here to see full contents...
+    </msg>
+  <msg id="1697699319086615837"><source>src/app/components/slides/title-slide/title-slide.component.html:6,8</source>
+      Use <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>←<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> and <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>→<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> on your keyboard to navigate the slides.
+    </msg>
+  <msg id="9018170935953099606"><source>src/app/components/slides/title-slide/title-slide.component.html:11</source>Prerequisites:</msg>
+  <msg id="2332684851324173587"><source>src/app/components/slides/closing-slide/codelab-closing-slide.component.html:5,10</source>
+    This codelab is written in Angular and
+    <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>available on Github<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>. Please ⭐ if you enjoyed it.
+  </msg>
+  <msg id="6930162363603699164"><source>../../libs/slides/src/lib/arrows/slides-arrows.component.html:12</source>Next slide</msg>
+  <msg id="3264452655068017433"><source>../../libs/feedback/src/lib/feedback-widget/feedback-widget.component.html:41</source>Enter your name</msg>
+  <msg id="4040670753951663745"><source>../../libs/feedback/src/lib/feedback-widget/feedback-widget.component.html:52,53</source>Email is optional and, will not displayed
+      </msg>
+  <msg id="4712788926759159307"><source>../../libs/feedback/src/lib/feedback-widget/feedback-widget.component.html:57</source>Describe your issue or share your ideas</msg>
+  <msg id="6672095411961477302"><source>../../libs/feedback/src/lib/feedback-widget/feedback-widget.component.html:70,72</source>
+          Send
+        </msg>
+  <msg id="perfect"><source>../../libs/feedback/src/lib/feedback-rating/feedback-rating.component.html:2</source>Perfect</msg>
+  <msg id="good"><source>../../libs/feedback/src/lib/feedback-rating/feedback-rating.component.html:3</source>good</msg>
+  <msg id="ok"><source>../../libs/feedback/src/lib/feedback-rating/feedback-rating.component.html:4</source>ok</msg>
+  <msg id="hopedForMore"><source>../../libs/feedback/src/lib/feedback-rating/feedback-rating.component.html:5</source>Hoped for more</msg>
+  <msg id="3134509873264839334"><source>../../libs/feedback/src/lib/feedback-rating/feedback-rating.component.html:12</source>Rate this lesson ...</msg>
+  <msg id="7650606661639729179"><source>src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.html:9</source>This Codelab is written in Angular!</msg>
+  <msg id="7780216916864532511"><source>src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.html:10,15</source>
+        It&apos;s 100% open-source and is available on
+        <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>
+          Github
+        <ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+      </msg>
+  <msg id="7247528943225057900"><source>src/app/components/buttons-nav-bar/menu-github-widget/menu-github-widget.component.html:16</source>Please ⭐ the repo if you find it useful.</msg>
+  <msg id="shorthandFunction"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:2,4</source>
+    Or use shorthand function notation.
+  </msg>
+  <msg id="errorNotAPuppy"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:5,7</source>
+    Error: this is clearly not a puppy
+  </msg>
+  <msg id="thisIsNumber"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:8</source>This is a number</msg>
+  <msg id="useShorthandNotation"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:9,11</source>
+    Or use shorthand function notation.
+  </msg>
+  <msg id="calledArrowFunction"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:12,14</source>
+    (Also called arrow function)
+  </msg>
+  <msg id="typescriptCanInferNumber"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:15,17</source>
+    Actually TypeScript can infer number here;
+  </msg>
+  <msg id="typescriptCanInferString"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:18,20</source>
+    TypeScript can infer it&apos;s a string.
+  </msg>
+  <msg id="cantAddNumAndBool"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:21,23</source>
+    Can&apos;t add number and boolean
+  </msg>
+  <msg id="cantSliceNum"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:24</source>Can&apos;t slice a number</msg>
+  <msg id="canSliceString"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:25</source>But can slice a string!</msg>
+  <msg id="works"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:26</source>Works!</msg>
+  <msg id="typeDoesSameThing"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:27,29</source>
+    Type[] does the same thing.
+  </msg>
+  <msg id="thisIsMethod"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:30</source>This is a method.</msg>
+  <msg id="thatsHowRussianDogsTalk"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:31,33</source>
+    That&apos;s how russian dogs talk.
+  </msg>
+  <msg id="nowWeCanInstantiate"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:34,36</source>
+    Now we can instantiate (create) it
+  </msg>
+  <msg id="andUseItsMethods"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:37</source>And use its methods</msg>
+  <msg id="laterWeWillHaveCode"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:38,40</source>
+    Later we&apos;ll have code here
+  </msg>
+  <msg id="letsCreateMorePuppies"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:41,43</source>
+    Let&apos;s create more puppies
+  </msg>
+  <msg id="varAllowedNotRecommended"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:44,46</source>
+    Var is still allowed but not recommended.
+  </msg>
+  <msg id="letInsteadOfVar"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:47,49</source>
+    Let should be used instead of var.
+  </msg>
+  <msg id="letUnavailableOutsideIfUnlikeIf"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:53,55</source>
+    Unlike var let is unavailable outside of this if.
+  </msg>
+  <msg id="constLikeLet"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:56,58</source>
+    Const is like let, but if you try to change it, TS will give you an error.
+  </msg>
+  <msg id="definitelyBoolean"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:59,61</source>
+    okay, definitely a boolean
+  </msg>
+  <msg id="createClassCodelab"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:62,64</source>
+    Create a class called &apos;Codelab&apos;
+  </msg>
+  <msg id="exportClass"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:65</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:24</source>Export the class</msg>
+  <msg id="addConstructor"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:66</source>Add a constructor</msg>
+  <msg id="makeConstructorTakeParamGuests"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:70,72</source>
+    Make constructor take a parameter &apos;guests&apos;
+  </msg>
+  <msg id="specifyTheTypeForGuests"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:73,76</source>
+    Specify the type for the guests parameter (hint: it&apos;s an array of a type
+    Guest)
+  </msg>
+  <msg id="makeParemeterPublic"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:77,80</source>
+    Make the parameter public (note that now you can access it anywhere in the
+    class using this.guests)
+  </msg>
+  <msg id="createNewMethodGetGuestsComing"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:84,86</source>
+    Create new method &apos;getGuestsComing&apos;
+  </msg>
+  <msg id="specifyTheTypeForB"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:88,91</source>
+    &quot;b&quot; in the code below is highlighted, because TypeScript is missing the
+    type. Specify the type for b.
+  </msg>
+  <msg id="typescriptHighlightsErrorFix224"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:95,98</source>
+    With this information TypeScript can highlight the error. Fix it, make 2 + 2
+    = 4 again!
+  </msg>
+  <msg id="modifyGetGuestsComingToFilter"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:103,106</source>
+    Modify getGuestsComing to filter the guests array return an array of guests
+    with the &apos;coming&apos; property set to true.
+  </msg>
+  <msg id="typescript"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:115</source>TypeScript</msg>
+  <msg id="AngularIsWrittenInTypeScript"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:117</source>Angular is written in TypeScript. Learn more about the language basics.</msg>
+  <msg id="1425139040251941806"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:119</source>Basic understanding of JavaScript is required.</msg>
+  <msg id="6225777299423953966"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:125</source>Why TypeScript</msg>
+  <msg id="3450228617967699820"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:126,128</source>
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>JavaScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> is a great language, but there&apos;s space for improvement:
+    </msg>
+  <msg id="3337298293457902572"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:130,133</source>
+        JS is not type safe which makes it harder to develop large scale
+        applications
+      </msg>
+  <msg id="1358575841391121669"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:134,137</source>
+        New features of the latest versions of JS standards (ES2018, ES2019) are
+        not supported well across all the browsers
+      </msg>
+  <msg id="7378420032672625836"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:139,143</source>
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>ES<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> stands for
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>ECMAScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph><ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>, which is the name of the JavaScript language specification (standard)
+    </msg>
+  <msg id="4845793289318766506"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:147</source>TypeScript</msg>
+  <msg id="3691746292360137570"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:148,151</source>
+      This is why <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>TypeScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> has been created. Since TypeScript can be
+      compiled to JavaScript, it can be used in any modern browser.
+    </msg>
+  <msg id="6019046071155114697"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:155</source>TypeScript extends the latest version of JavaScript</msg>
+  <msg id="1580375574119219994"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:156,158</source>
+            TypeScript adds new features from the next version of JavaScript
+          </msg>
+  <msg id="1603010177589300581"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:159,161</source>
+            On top of it, TypeScript adds an optional type system and decorators
+          </msg>
+  <msg id="519638442093250618"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:168,170</source>
+      Decorator looks like @twitter_handles, we&apos;ll learn more about them later
+    </msg>
+  <msg id="3895697023415732905"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:180</source><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:200</source>Type System</msg>
+  <msg id="8469244833465514706"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:181,184</source>
+      Below we have an <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>add<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> function, and we&apos;re adding 2 and 2. What could
+      go wrong?
+    </msg>
+  <msg id="3382055352600412380"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:191,195</source>
+      Turns out it&apos;s possible to pass a string to this function and we get
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>22<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> instead of <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>4<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. Let&apos;s see how TypeScript can help address
+      this issue on the next slide
+    </msg>
+  <msg id="7706542074780362578"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:201,205</source>
+      TypeScript uses &quot;<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>:<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>&quot; to specify the type information (e.g.
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>n: number<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>). Both <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>a<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> and <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>b<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> should be numbers. We
+      specified the type for <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>a<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, now it&apos;s your turn!
+    </msg>
+  <msg id="4416420426193040614"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:211</source>The code above is editable!</msg>
+  <msg id="8146812459539176062"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:216,217</source>Primitives (strings, numbers, etc...)
+    </msg>
+  <msg id="7555895897701490119"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:218</source>Below are more types we can use</msg>
+  <msg id="3591838911718818191"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:232</source>Interfaces</msg>
+  <msg id="3449159358361800656"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:233,236</source>
+      TypeScript Interfaces allow to specify properties and methods for an
+      object.
+    </msg>
+  <msg id="8930981603461909094"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:246,248</source>
+      Here, <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>realPuppy<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> is an implementation of the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Puppy<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> Interface.
+    </msg>
+  <msg id="3570291272341874994"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:252</source>Arrays</msg>
+  <msg id="5672896818220555303"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:253,256</source>
+      Array types are defined as <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Array<ph name="INTERPOLATION"><ex>{{ &apos;&lt;&apos; }}</ex>{{ &apos;&lt;&apos; }}</ph>Type<ph name="INTERPOLATION_1"><ex>{{ &apos;&gt;&apos; }}</ex>{{ &apos;&gt;&apos; }}</ph><ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> or
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Type[]<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+    </msg>
+  <msg id="5300204482622127378"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:263,266</source>
+      Here, each element in the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>betterCats<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> array is an instance of the
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Cat<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> Interface.
+    </msg>
+  <msg id="1956073378030411818"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:271</source>Classes</msg>
+  <msg id="4690830357394206486"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:272</source>TypeScript has <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>classes<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, and Angular uses them heavily.</msg>
+  <msg id="952111865578275945"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:273,276</source>
+      They are similar to classes in other languages, and are used to group
+      methods and properties together
+    </msg>
+  <msg id="6104897002627313660"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:286</source>Constructor</msg>
+  <msg id="5150753083587849200"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:287,290</source>
+      There&apos;s a special method on the class called <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>constructor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. It&apos;s run
+      when the class is instantiated and allows the class to take parameters
+    </msg>
+  <msg id="6722511841825238135"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:300</source>Access Modifiers</msg>
+  <msg id="462788382585371115"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:301,305</source>
+      Constructor parameters marked as <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>public<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> (or private, or protected),
+      become class properties accessible as <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>this.ParameterName<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> within the
+      class
+    </msg>
+  <msg id="4472178753190540128"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:312,314</source>
+      private or protected properties are not visible outside of the class.
+    </msg>
+  <msg id="7462301153729425254"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:318</source>Export</msg>
+  <msg id="6571723708298379001"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:319,323</source>
+      By the way, did you notice the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>export<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> keyword before class? It is
+      used to share information between files. In the next slide, we&apos;ll show you
+      how to import and use this class in a different file
+    </msg>
+  <msg id="1071721880474488785"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:338</source>Import</msg>
+  <msg id="5575767639565396335"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:339</source>Now we can use the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Puppy<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> class in the other file</msg>
+  <msg id="9170081835282059303"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:347,350</source>
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>import<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> and <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>export<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> keywords are not just for classes. They
+      work with variables, functions and other things!
+    </msg>
+  <msg id="1012910011980066980"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:354</source>Filter (One last thing)</msg>
+  <msg id="687605542005054114"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:355,358</source>
+      &quot;<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>filter<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>&quot; is an Array method that allows you to generate a new array
+      keeping only values that satisfy the condition
+    </msg>
+  <msg id="5937251202465808296"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:366</source>More</msg>
+  <msg id="2776231080049358900"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:367</source>TypeScript supports lots of other cool features such as:</msg>
+  <msg id="2778796732744507615"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:374</source>Enums</msg>
+  <msg id="554505692155626925"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:382</source>Async / Await</msg>
+  <msg id="8077012278759389172"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:390</source>Accessors (Getters / Setters)</msg>
+  <msg id="2854346138345342774"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:398</source>Destructuring</msg>
+  <msg id="2824004502397491284"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:406</source>Arrow functions</msg>
+  <msg id="4818010747810947110"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:409</source>And more!</msg>
+  <msg id="425764765304851377"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:411,415</source>
+      We won&apos;t cover them in detail, check out the
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>TypeScript<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+      website!
+    </msg>
+  <msg id="9056543421332015840"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:419</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:196</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:304</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:417</source><source>src/app/codelabs/angular/templates/templates.component.html:170</source><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:278</source><source>src/app/codelabs/angular/router/router.component.html:125</source><source>src/app/codelabs/angular/material/material.component.html:181</source><source>src/app/codelabs/angular/forms/forms.component.html:183</source>Exercise</msg>
+  <msg id="1966301836895698534"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:420</source>In the next slide we have a TypeScript exercise</msg>
+  <msg id="6106271638521818742"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:421,425</source>
+      Your task is to build a TypeScript class called Codelab which will take a
+      list of guests, and will have a method to output only the ones who are
+      coming.
+    </msg>
+  <msg id="2921334658251839102"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:426</source>The result will be as follows:</msg>
+  <msg id="4985288594861826441"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:446</source><source>src/app/codelabs/angular/templates/templates.component.html:377</source><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:303</source><source>src/app/codelabs/angular/component-tree/component-tree.component.html:266</source>Milestone Completed</msg>
+  <msg id="790391870463021212"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:449,453</source>
+          Now you should know enough <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>TypeScript<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to start learning
+          <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>! Read more about TypeScript on
+          <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>TypeScript web site<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+        </msg>
+  <msg id="7872178699271799911"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:459</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:510</source><source>src/app/codelabs/angular/templates/templates.component.html:382</source><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:308</source><source>src/app/codelabs/angular/router/router.component.html:168</source><source>src/app/codelabs/angular/material/material.component.html:227</source><source>src/app/codelabs/angular/forms/forms.component.html:224</source>Next:</msg>
+  <msg id="2009894380211077290"><source>src/app/codelabs/angular/typescript/typescript/typescript.component.html:460,462</source>
+            Learn how to create your first Angular app!
+          </msg>
+  <msg id="1232468595022253521"><source>src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html:66,68</source>
+      ES7
+    </msg>
+  <msg id="7684186891767163500"><source>src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html:78,80</source>
+      Decorators
+    </msg>
+  <msg id="8826294926629434573"><source>src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html:90,92</source>
+      Types
+    </msg>
+  <msg id="5784427236154138130"><source>src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html:102,104</source>
+      TypeScript
+    </msg>
+  <msg id="643059253899545925"><source>src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html:114,116</source>
+      Classes
+    </msg>
+  <msg id="7034028115313507184"><source>src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html:126,128</source>
+      Modules
+    </msg>
+  <msg id="2396430173482915571"><source>src/app/codelabs/angular/typescript/typescript/typescript-svg/typescript-svg.component.html:138,140</source>
+      More...
+    </msg>
+  <msg id="4201318520171370271"><source>src/app/components/tests/simple-tests.component.html:27</source>see only next step</msg>
+  <msg id="4167729314672427096"><source>src/app/components/tests/simple-tests.component.html:28</source>see all steps</msg>
+  <msg id="componentIsDecorator"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:2,4</source>
+    @Component is an Angular decorator
+  </msg>
+  <msg id="noSemicolon"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:5,7</source>
+    No semicolon here (as it attaches itself to the class below
+  </msg>
+  <msg id="decoratorGoesAboveEntity"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:8,10</source>
+    The Decorator goes directly above the decorated entity (class in this case)
+  </msg>
+  <msg id="componentNameIsClassName"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:11,13</source>
+    Component name is the class name (AppComponent).
+  </msg>
+  <msg id="createClassAppComponent"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:14,16</source>
+    Create a class called &apos;AppComponent&apos;
+  </msg>
+  <msg id="createClassAppModule"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:17,19</source>
+    Create a class called &apos;AppModule&apos;
+  </msg>
+  <msg id="allSetBootstrapApp"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:20,22</source>
+    All set! Bootstrap your application
+  </msg>
+  <msg id="addComponentDecorator"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:25,27</source>
+    Add a Component decorator for the class
+  </msg>
+  <msg id="addSelectorMyApp"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:28,30</source>
+    Add a selector to the component decorator and set it to &apos;my-app&apos;
+  </msg>
+  <msg id="addTemplateHelloMewTube"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:31,33</source>
+    Add a template that contains: h1 with a text &quot;Hello MewTube!&quot;
+  </msg>
+  <msg id="addNgModuleDecorator"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:34,36</source>
+    Add a NgModule decorator for the class
+  </msg>
+  <msg id="addBrowserModuleToNgModule"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:37,39</source>
+    Add &apos;BrowserModule&apos; to the NgModule decorator imports
+  </msg>
+  <msg id="addAppComponentToDeclarations"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:43,45</source>
+    Add &apos;AppComponent&apos; to the &apos;declarations&apos; property of the decorator
+  </msg>
+  <msg id="addAppComponentToBootstrap"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:46,48</source>
+    Add &apos;AppComponent&apos; to the &apos;bootstrap&apos; property of the decorator
+  </msg>
+  <msg id="CreateYFirstAgApp"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:56</source>Create your first Angular app</msg>
+  <msg id="2628877838206351210"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:58</source>You will learn how to create your first Angular component, put it in a module, and bootstrap the app.</msg>
+  <msg id="3602849743531844327"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:60</source>Knowing TypeScript basics would help a lot</msg>
+  <msg id="3420408458155669913"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:67</source>What is Angular?</msg>
+  <msg id="4335494429592099313"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:69,75</source>
+        Angular is a <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>development platform<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> for building mobile and desktop
+        applications. Angular lets you <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>extend HTML&apos;s syntax<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to express
+        your application&apos;s components clearly and succinctly. Angular&apos;s binding
+        and Dependency Injection <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>eliminate much of the code<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> you would
+        otherwise have to write.
+      </msg>
+  <msg id="316509725772872372"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:81</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:97</source><source>src/app/codelabs/angular/templates/templates.component.html:129</source><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:107</source><source>src/app/codelabs/angular/router/router.component.html:39</source><source>src/app/codelabs/angular/router/router.component.html:61</source><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:16</source>Intro</msg>
+  <msg id="7127434905431284986"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:82</source>Given an HTML file:</msg>
+  <msg id="6161264726933372468"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:88,91</source>
+      Let&apos;s create an Angular app which replaces the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>hello-world<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> HTML
+      element with the app&apos;s contents.
+    </msg>
+  <msg id="5463471054765192731"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:92</source>This can be done with 3 simple steps.</msg>
+  <msg id="7109785117359301161"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:98</source>The 3 steps are:</msg>
+  <msg id="8986953020363470779"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:100</source>Create an Angular component</msg>
+  <msg id="7117530673690701168"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:101</source>Create an Angular module</msg>
+  <msg id="1813487159288766093"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:102</source>Bootstrap the module</msg>
+  <msg id="8428348909593474745"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:108</source><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:224</source>Step 1</msg>
+  <msg id="2019129744675333223"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:109,112</source>
+      Start by creating an Angular <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Component<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. Components in Angular are
+      responsible for the visual part of the app
+    </msg>
+  <msg id="3518604211309075388"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:118,121</source>
+      An Angular component is just a class. Properties and behavior can be added
+      inside.
+    </msg>
+  <msg id="2088668399944240044"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:126</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:142</source>Decorators</msg>
+  <msg id="7834786013480490982"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:134</source>The class is adorned with a <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>@Component<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> decorator</msg>
+  <msg id="6123662742212719424"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:135,137</source>
+      Decorators attach <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> specific information to the class.
+    </msg>
+  <msg id="8963391977207807015"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:143,146</source>
+      Decorators are a new feature of TypeScript. They attach metadata to a
+      class, function, property or variable
+    </msg>
+  <msg id="4042225532935248191"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:153,156</source>
+      TypeScript decorators are inspired by a similar feature in the Python
+      language.
+    </msg>
+  <msg id="3540108566782816830"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:161</source>Selector</msg>
+  <msg id="901484278635100487"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:162,166</source>
+      Selectors define the location of the component. When Angular renders this
+      component, it&apos;ll find a <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>hello-world<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> HTML element in the document
+      and render the component inside of it
+    </msg>
+  <msg id="1334525262704836521"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:179</source>Inline Template</msg>
+  <msg id="5776232626408915586"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:180</source>Template defines the HTML code that the component generates</msg>
+  <msg id="3490030044563966992"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:188,191</source>
+      If the amount of HTML grows out of hand, it&apos;s possible (and recommended)
+      to use a <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>templateUrl<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> instead and provide a path to the HTML file.
+    </msg>
+  <msg id="7639270097778554357"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:197,200</source>
+      In the next slide you&apos;ll create your first <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> component! We&apos;ll
+      do all the wiring for you. The result will look like this:
+    </msg>
+  <msg id="61555616227480717"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:216</source>Create first Angular component!</msg>
+  <msg id="3943314737845757694"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:222</source><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:242</source>Step 2</msg>
+  <msg id="3356116837774924473"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:223</source>Next step is to declare the component in an <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.</msg>
+  <msg id="5126304564648715351"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:224,227</source>
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> does not have any visual representation and is used
+      exclusively for grouping Angular building blocks together
+    </msg>
+  <msg id="5509161378825547695"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:228,230</source>
+      We will learn more about NgModules in the future milestones
+    </msg>
+  <msg id="8988249734928621313"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:235</source>Module Class</msg>
+  <msg id="6183779997512008819"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:236</source>Like a component, <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> module is just a class</msg>
+  <msg id="8027333466268729668"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:249</source>NgModule Decorator</msg>
+  <msg id="3985764469731255581"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:250,253</source>
+      Like a component, <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> module is adorned with a decorator
+      providing metadata
+    </msg>
+  <msg id="1434785076190731280"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:266</source>Browser Module</msg>
+  <msg id="2046003391679469154"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:272</source>Declarations</msg>
+  <msg id="6207292630730452152"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:273,276</source>
+      The <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Declarations array<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> specifies components belonging to the
+      AppModule
+    </msg>
+  <msg id="1101953121986747707"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:288</source>Bootstrap</msg>
+  <msg id="6679702569828672754"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:289,292</source>
+      The component passed into the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>bootstrap<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> array will be created and
+      displayed in your <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>index.html<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> file
+    </msg>
+  <msg id="5729375766021589223"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:305,309</source>
+      In the next slide you&apos;ll create your first <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> module! We&apos;ll
+      use the component from the previous exercises and do all the wiring for
+      you. The result will look like this:
+    </msg>
+  <msg id="4814190538810111436"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:324</source>Create first NgModule.</msg>
+  <msg id="7662751436458775011"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:330</source>Bootstrapping</msg>
+  <msg id="6827469684284953312"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:331,333</source>
+      We have everything ready, so now it&apos;s time to start (bootstrap) the app!
+    </msg>
+  <msg id="5839300755199336558"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:334,337</source>
+      Passing your <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>AppModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>bootstrapModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> method will
+      start up all the components from that module&apos;s bootstrap section
+    </msg>
+  <msg id="4399973873640793995"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:344,346</source>
+      For most simple apps, you can just copy/paste the code above &quot;as is&quot;
+    </msg>
+  <msg id="699691489139693623"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:350</source>Bootstrapping 1</msg>
+  <msg id="6908434431695362158"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:351</source>How does bootstrapping work in Angular?</msg>
+  <msg id="6874245697228107216"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:353,356</source>
+      1. Kicks off execution environment. <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>platformBrowserDynamic()<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> tells
+      Angular that we are operating in the browser
+    </msg>
+  <msg id="3128495234135543796"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:367,368</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:388,389</source><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:411,412</source>Read more about root module and bootstrapping in Angular
+      </msg>
+  <msg id="4470411477201731376"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:373</source>Bootstrapping 2</msg>
+  <msg id="7573108776950995216"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:374,377</source>
+      2. Angular initializes the component from the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>bootstrap<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> array in
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>app.module.ts<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>HelloWorldComponent<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> in this case)
+    </msg>
+  <msg id="3263507238146950325"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:394</source>Bootstrapping 3</msg>
+  <msg id="8154401785955657985"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:395,399</source>
+      3. Angular looks in the document for an element matching the selector
+      defined in <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>HelloWorldComponent<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>&apos;hello-world&apos;<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> in our case)
+      and inserts the component inside that element
+    </msg>
+  <msg id="2407260837719515490"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:418,420</source>
+      All set! In the next page you&apos;ll bootstrap your first <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> app!
+    </msg>
+  <msg id="1313383644474336301"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:436,439</source>
+          Now that we&apos;ve got both NgModule and the component ready, let&apos;s
+          bootstrap the app!
+        </msg>
+  <msg id="7430680760319628492"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:447</source><source>src/app/codelabs/angular/component-tree/component-tree.component.html:201</source>Review</msg>
+  <msg id="8145952131430725333"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:448</source>Loading order: index -&gt; main -&gt; app.module -&gt; app.component</msg>
+  <msg id="4850683624715159256"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:494,497</source>
+      While Angular is loading, the contents of the element will stay the same
+      (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Loading...<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>) in this case
+    </msg>
+  <msg id="4135298275558664404"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:503</source>End of Bootstrap Section</msg>
+  <msg id="470651207723290753"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:506</source><source>src/app/codelabs/angular/router/router.component.html:159</source><source>src/app/codelabs/angular/material/material.component.html:214</source><source>src/app/codelabs/angular/forms/forms.component.html:217</source>Well done! This is the end of the milestone!</msg>
+  <msg id="5354338296880936637"><source>src/app/codelabs/angular/create-first-app/create-first-app.component.html:511,513</source>
+            Go to the templates Milestone
+          </msg>
+  <msg id="1349735316800599429"><source>src/app/codelabs/angular/create-first-app/mode/mode.component.html:2,5</source>
+    Because we&apos;re building a browser web app, we need to pass
+    <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>BrowserModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>imports<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> array
+  </msg>
+  <msg id="3156349100343034471"><source>src/app/codelabs/angular/create-first-app/mode/mode.component.html:26</source>With Angular we build mobile apps using NativeScript or Ionic.</msg>
+  <msg id="300734632059872629"><source>src/app/codelabs/angular/create-first-app/mode/mode.component.html:42</source>With Angular you can build VR apps with A-FRAME or WEBGL.</msg>
+  <msg id="5369563118314675128"><source>src/app/codelabs/angular/create-first-app/mode/mode.component.html:57,70</source>
+  <ph name="START_TAG_DIV"><ex>&lt;div&gt;</ex>&lt;div&gt;</ph>
+    Angular is not just for web apps anymore; you can also use it to create
+    native phone apps and even VR scenes.
+  <ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex>&lt;/div&gt;</ph>
+  <ph name="START_TAG_DIV_1"><ex>&lt;div&gt;</ex>&lt;div&gt;</ph>
+    <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph><ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+  <ph name="CLOSE_TAG_DIV"><ex>&lt;/div&gt;</ex>&lt;/div&gt;</ph>
+</msg>
+  <msg id="thisIsValidHTML"><source>src/app/codelabs/angular/templates/templates.component.html:2,4</source>
+    This is valid HTML syntax.
+  </msg>
+  <msg id="worksOnAttributeSyntax"><source>src/app/codelabs/angular/templates/templates.component.html:5,7</source>
+    It works on attribute syntax.
+  </msg>
+  <msg id="allowsToConditionallyBindClass"><source>src/app/codelabs/angular/templates/templates.component.html:11,13</source>
+    It allows to conditionally bind a class
+  </msg>
+  <msg id="orStyleProps"><source>src/app/codelabs/angular/templates/templates.component.html:14</source>Or style properties</msg>
+  <msg id="worksWithCustomComponents"><source>src/app/codelabs/angular/templates/templates.component.html:15,17</source>
+    And works with custom components!
+  </msg>
+  <msg id="whenUserClicksItCallsSaveUser"><source>src/app/codelabs/angular/templates/templates.component.html:21,24</source>
+    When user clicks the button, it calls the &quot;saveUser&quot; function on the
+    component instance and passes the underlying event.
+  </msg>
+  <msg id="youCanAlsoCreateEventsForCustomComponents"><source>src/app/codelabs/angular/templates/templates.component.html:28,32</source>
+    You can also create events for custom components. Here we have a depleted
+    event, and it&apos;s going to call the &quot;soundAlarm&quot; function on the component
+    instance when it fires.
+  </msg>
+  <msg id="thereAreShortcutEventBindings"><source>src/app/codelabs/angular/templates/templates.component.html:36,40</source>
+    There are also shortcut event bindings! The submit function on the component
+    instance will be called when the user presses control and enter (this is an
+    Angular feature).
+  </msg>
+  <msg id="userNameHasRefToInput"><source>src/app/codelabs/angular/templates/templates.component.html:41,43</source>
+    userName has a reference to the input element
+  </msg>
+  <msg id="tryChangingToTrue"><source>src/app/codelabs/angular/templates/templates.component.html:44,46</source>
+    Try changing to true!
+  </msg>
+  <msg id="needToRepeatPuppiesHere"><source>src/app/codelabs/angular/templates/templates.component.html:47,49</source>
+    Need to repeat puppies here
+  </msg>
+  <msg id="addVideosProperty"><source>src/app/codelabs/angular/templates/templates.component.html:50,52</source>
+    app.component.ts: Add a &apos;videos&apos; property, set the value as empty array.
+  </msg>
+  <msg id="assignFakeVideosToComponent"><source>src/app/codelabs/angular/templates/templates.component.html:53,56</source>
+    app.component.ts: Inside of the &apos;search&apos; method assign FAKE_VIDEOS, to the
+    component &apos;videos&apos; property.
+  </msg>
+  <msg id="addH1HeaderWithATitle"><source>src/app/codelabs/angular/templates/templates.component.html:57,60</source>
+    app.html: Add an H1 header, display the &apos;title&apos; property of the AppComponent
+    inside
+  </msg>
+  <msg id="addSearchMethodOnComponent"><source>src/app/codelabs/angular/templates/templates.component.html:62,65</source>
+    app.component.ts: Add a &apos;search&apos; method on the component, that takes a
+    &apos;searchString&apos; parameter.
+  </msg>
+  <msg id="addClickHandlerToButtonCallSearch"><source>src/app/codelabs/angular/templates/templates.component.html:69,73</source>
+    app.html: Add a click handler to the button, call &apos;search&apos; method and pass
+    the input value (Actual search functionality will be implemented in the next
+    exercise)
+  </msg>
+  <msg id="addMessageNoVideos"><source>src/app/codelabs/angular/templates/templates.component.html:74,77</source>
+    app.html: Add a message saying &apos;no videos&apos; which is displayed only when the
+    videos array is empty
+  </msg>
+  <msg id="bonusDisplayAllVideosByDefault"><source>src/app/codelabs/angular/templates/templates.component.html:82,85</source>
+    #Bonus app.component.ts: Right now it takes pressing a search button to
+    display the videos. Instead display all videos by default.
+  </msg>
+  <msg id="insideSearchMethodFilterFakeVideos"><source>src/app/codelabs/angular/templates/templates.component.html:89,93</source>
+    app.component.ts: Inside of the &apos;search&apos; method filter FAKE_VIDEOS and only
+    return videos with the title containing searchString. (hint: use .includes
+    or .indexOf string methods)
+  </msg>
+  <msg id="alsoDisplayThumbnail"><source>src/app/codelabs/angular/templates/templates.component.html:94,96</source>
+    app.html: Also display a thumbnail
+  </msg>
+  <msg id="IterateWithNgForAndDisplayTitle"><source>src/app/codelabs/angular/templates/templates.component.html:100,103</source>
+    app.html: Iterate over the videos using &apos;*ngFor&apos;, and display a title for
+    each
+  </msg>
+  <msg id="addButtonWithtextSearch"><source>src/app/codelabs/angular/templates/templates.component.html:105,107</source>
+    app.html: Add a button tag with a text &apos;search&apos;
+  </msg>
+  <msg id="addInputWithPlaceholderVideo"><source>src/app/codelabs/angular/templates/templates.component.html:108,110</source>
+    app.html: Add an input tag with a &apos;placeholder&apos; attribute set to &apos;video&apos;
+  </msg>
+  <msg id="6346332284188948979"><source>src/app/codelabs/angular/templates/templates.component.html:121</source>Learn more about Angular templates!</msg>
+  <msg id="1775873765805142503"><source>src/app/codelabs/angular/templates/templates.component.html:130,133</source>
+      Angular has a very expressive template system, which takes HTML as a base,
+      and extends it with custom elements
+    </msg>
+  <msg id="2093245413873276320"><source>src/app/codelabs/angular/templates/templates.component.html:142</source><source>src/app/codelabs/angular/templates/templates.component.html:158</source>Interpolation</msg>
+  <msg id="8908084104333691137"><source>src/app/codelabs/angular/templates/templates.component.html:143,145</source>
+      Double curlies include the appropriate component property value
+    </msg>
+  <msg id="6743006858339549834"><source>src/app/codelabs/angular/templates/templates.component.html:150,153</source>
+      Backticks <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>` `<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, are magic quotes that allow multi-line strings and
+      text interpolation.
+    </msg>
+  <msg id="2708214618841180970"><source>src/app/codelabs/angular/templates/templates.component.html:159,162</source>
+      Simple expressions are also allowed, you can run a component method (like
+      fullName() below), or calculate <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>323213+34234<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>
+    </msg>
+  <msg id="3402523483542521336"><source>src/app/codelabs/angular/templates/templates.component.html:171,174</source>
+      In the next slide you&apos;ll edit a component template to create a simple
+      header and search form. The result will look like this:
+    </msg>
+  <msg id="8721861281513890587"><source>src/app/codelabs/angular/templates/templates.component.html:193</source>Properties</msg>
+  <msg id="8669367464399341938"><source>src/app/codelabs/angular/templates/templates.component.html:194,197</source>
+      String interpolation <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{ curlies }}</ex>{{ curlies }}</ph><ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> can also be used to pass a value
+      to a child element&apos;s attribute
+    </msg>
+  <msg id="7255408982840762838"><source>src/app/codelabs/angular/templates/templates.component.html:206</source>Property Binding</msg>
+  <msg id="1929429019008245822"><source>src/app/codelabs/angular/templates/templates.component.html:207,209</source>
+      Better option is to use property binding <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>[attribute] = property<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+    </msg>
+  <msg id="6385657961263768030"><source>src/app/codelabs/angular/templates/templates.component.html:214,216</source>
+      You can use arbitrary expressions in the binding.
+    </msg>
+  <msg id="2911314034876616874"><source>src/app/codelabs/angular/templates/templates.component.html:221</source>Data binding extras</msg>
+  <msg id="5131679624196947189"><source>src/app/codelabs/angular/templates/templates.component.html:222,224</source>
+      Angular supports more advanced property bindings than just attribute name
+    </msg>
+  <msg id="2009489920751400915"><source>src/app/codelabs/angular/templates/templates.component.html:233</source>Event binding: (event)</msg>
+  <msg id="8465131485233524062"><source>src/app/codelabs/angular/templates/templates.component.html:234,238</source>
+      For handling user actions we can use event bindings. To do that we wrap
+      the event name in parentheses, and pass an expression performing required
+      action:
+    </msg>
+  <msg id="7777498168007367858"><source>src/app/codelabs/angular/templates/templates.component.html:245,248</source>
+      While parentheses are used for event binding: <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>(event)<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, &quot;on-&quot; can
+      also be used, e.g. <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>on-click<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> is the same as <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>(click)<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.
+    </msg>
+  <msg id="5362445790127467384"><source>src/app/codelabs/angular/templates/templates.component.html:252</source><source>src/app/codelabs/angular/templates/templates.component.html:270</source>Event binding shortcuts</msg>
+  <msg id="1375939118759231175"><source>src/app/codelabs/angular/templates/templates.component.html:253,257</source>
+      When we need to access an HTML element or an Angular component
+      from the template, we can mark it with <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>#name<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, and it becomes
+      available as <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>name<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> everywhere in the template:
+    </msg>
+  <msg id="3944267632594384457"><source>src/app/codelabs/angular/templates/templates.component.html:264,266</source>
+      We&apos;ll learn a better way to work with inputs in Forms milestone.
+    </msg>
+  <msg id="6553987567173031055"><source>src/app/codelabs/angular/templates/templates.component.html:271,274</source>
+      Angular also provides a shortcut for handling keyboard shortcuts. Try
+      updating the message by pressing Control + Enter in the input.
+    </msg>
+  <msg id="387888043502947069"><source>src/app/codelabs/angular/templates/templates.component.html:285</source>Conditional Display (*ngIf)</msg>
+  <msg id="5621752484434623785"><source>src/app/codelabs/angular/templates/templates.component.html:286,289</source>
+      This conditional expression will add or remove an element from the DOM if
+      it evaluates as a truthy
+    </msg>
+  <msg id="5353140049958069641"><source>src/app/codelabs/angular/templates/templates.component.html:297</source><source>src/app/codelabs/angular/component-tree/component-tree.component.html:244</source>Exercise 2</msg>
+  <msg id="3782868128792375360"><source>src/app/codelabs/angular/templates/templates.component.html:298,302</source>
+      In the next slide you&apos;ll add a click handler to the search button, and
+      display a message for the case where no videos were found. The result will
+      look like this:
+    </msg>
+  <msg id="92659757529171106"><source>src/app/codelabs/angular/templates/templates.component.html:320</source>Repeating elements</msg>
+  <msg id="2098931711932592374"><source>src/app/codelabs/angular/templates/templates.component.html:321,325</source>
+      Let&apos;s say you have an array of puppies, and want to display all of them on
+      the page. Angular has a special syntax for that called <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>*ngFor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>,
+      let&apos;s see how it works on the next slide
+    </msg>
+  <msg id="8944028182505149416"><source>src/app/codelabs/angular/templates/templates.component.html:333</source>Repeating elements (*ngFor)</msg>
+  <msg id="2278439158834501962"><source>src/app/codelabs/angular/templates/templates.component.html:334,337</source>
+      Here <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>*ngFor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> repeats HTML element it&apos;s attached to (li in this case)
+      for every single puppy in the puppies array
+    </msg>
+  <msg id="6900873423530266803"><source>src/app/codelabs/angular/templates/templates.component.html:343,346</source>
+      HTML attributes in <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> are case sensitive:
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="START_STRIKETHROUGH_TEXT"><ex>&lt;s&gt;</ex>&lt;s&gt;</ph>*ngfor<ph name="CLOSE_STRIKETHROUGH_TEXT"><ex>&lt;/s&gt;</ex>&lt;/s&gt;</ph><ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> won&apos;t work, <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>*ngFor<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> will
+    </msg>
+  <msg id="6964671906994906253"><source>src/app/codelabs/angular/templates/templates.component.html:350</source>Exercise 3</msg>
+  <msg id="1916497009459167443"><source>src/app/codelabs/angular/templates/templates.component.html:353,356</source>
+          In the next slide you&apos;ll finally display the videos! The result will
+          look like this:
+        </msg>
+  <msg id="2654534150745917262"><source>src/app/codelabs/angular/templates/templates.component.html:383,385</source>
+            Learn how to use Angular Dependency Injection
+          </msg>
+  <msg id="shorthandMakesProfessionAvailable"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:5,7</source>
+    * TypeScript shorthand makes &apos;profession&apos; * available to component instance.
+  </msg>
+  <msg id="assumingJobHasPropTitle"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:8,10</source>
+    assuming Job has property &apos;.title&apos;
+  </msg>
+  <msg id="addIjectableDecoraterToClass"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:11,13</source>
+    video.service.ts: Add @Injectable() decorator to the class
+  </msg>
+  <msg id="addVideoServiceToNgModule"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:15,17</source>
+    app.module.ts: Add VideoService to the NgModule providers property
+  </msg>
+  <msg id="getRidOfFakeVideos"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:18,20</source>
+    app.component.ts: Get rid of FAKE_VIDEOS
+  </msg>
+  <msg id="injectVideoService"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:21,24</source>
+    app.component.ts: Inject &apos;VideoService&apos; in the component constructor as
+    &apos;videoService&apos;
+  </msg>
+  <msg id="updateAppComponentSearchmethod"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:28,31</source>
+    app.component.ts: Update the app component&apos;s search method to use
+    videoService&apos;s search method
+  </msg>
+  <msg id="dependencyInjectionLearnMore"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:42</source>Learn more about Angular&apos;s powerful Dependency Injection system</msg>
+  <msg id="8221226883715428312"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:50</source>Example of a dependency</msg>
+  <msg id="6152129975764793011"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:51,54</source>
+      We display a list of hard-coded videos in our component, but in the real
+      world we&apos;d load them from the server.
+    </msg>
+  <msg id="1360085883339715410"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:55,58</source>
+      The code for fetching the data would live in a separate class (service)
+      called VideoService
+    </msg>
+  <msg id="239501121574257057"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:59</source>Therefore our component will depend on the VideoService:</msg>
+  <msg id="3398399443611989744"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:109,113</source>
+      As our app grows, number of dependencies will increase. Dependencies, in
+      order, will have their own dependencies. Managing all of them manually
+      becomes increasingly harder.
+    </msg>
+  <msg id="7439203421419595915"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:114,117</source>
+      To simplify that <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> provides a mechanism called
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Dependency injection<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+    </msg>
+  <msg id="6832879550227262389"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:124</source>Comparison</msg>
+  <msg id="7427941055850419603"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:133,136</source>
+          Without Dependency Injection, <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Profession<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> has to be instantiated
+          in the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Person<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> class
+        </msg>
+  <msg id="916298212817351454"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:145,149</source>
+          With Dependency Injection, <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Person<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> class just &quot;requires&quot; an
+          instance of <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Job<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> in the constructor, and Angular takes care of
+          instantiating it
+        </msg>
+  <msg id="2250922476634643797"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:155</source>Parameters</msg>
+  <msg id="2050435296171660186"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:164,167</source>
+          Without Dependency Injection, you have to figure out all the
+          parameters yourself
+        </msg>
+  <msg id="1220299404805905128"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:176,178</source>
+          With Dependency Injection, Angular takes care of it
+        </msg>
+  <msg id="8985868511640294928"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:184</source>Testing</msg>
+  <msg id="5041678758489152197"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:185,188</source>
+      Also Dependency Injection simplifies testing a lot, because you can just
+      pass mock dependencies as constructor parameters
+    </msg>
+  <msg id="2384026219516877038"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:209</source>Example</msg>
+  <msg id="6910202098357920279"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:210,214</source>
+      Let&apos;s say we have an existing <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>UnitConverterService<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> and we want to
+      start using it in <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>UnitConversionComponent<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. It will take 3 simple
+      steps:
+    </msg>
+  <msg id="3957097669887217853"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:216</source>Mark dependency as @Injectable()</msg>
+  <msg id="5662947366104784178"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:217</source>Provide in the module</msg>
+  <msg id="9143596698887173150"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:218</source>Require in the component</msg>
+  <msg id="2585772558422043391"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:225,228</source>
+      Mark the class as <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>@Injectable()<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>. This lets Angular know that this
+      class is part of Angular Dependency Injection system
+    </msg>
+  <msg id="6496971683817494188"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:234,237</source>
+      If a service class is marked as injectable, it can require other services
+      in its constructor.
+    </msg>
+  <msg id="287816816593865864"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:243,245</source>
+      Provide the injectable to the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>providers<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> section of <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+    </msg>
+  <msg id="3053323241161491226"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:254,257</source>
+      Now, this service becomes available for every <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Component<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> and other
+      service in this <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NgModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.
+    </msg>
+  <msg id="5526580419389054630"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:262</source>Step 3</msg>
+  <msg id="9193697677313937686"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:263</source>Consume the Injectable in the component</msg>
+  <msg id="4224784797203649406"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:271,274</source>
+      Because of the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>private<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> access modifier the service becomes
+      accessible across the class as <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>this.converter<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>.
+    </msg>
+  <msg id="8777170680797795530"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:279,282</source>
+      In the next slide you&apos;ll use videoService which has even more cats!!! The
+      result will look like this:
+    </msg>
+  <msg id="6756063415709931138"><source>src/app/codelabs/angular/dependency-injection/dependency-injection.component.html:309,311</source>
+            Learn how to combine components together
+          </msg>
+  <msg id="addComponentDecoratorAndSetSelectorToMyVideo"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:5,8</source>
+    video/video.component.ts: Add the &apos;@Component&apos; decorator and set its selector
+    property to &apos;my-video&apos;.
+  </msg>
+  <msg id="addVideoComponentToAppModule"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:9,11</source>
+    app.module.ts: Add VideoComponent to the AppModule &apos;declarations&apos;.
+  </msg>
+  <msg id="setTemplateUrlToLoadAppropriateFile"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:16,18</source>
+    video/video.component.ts: Set the templateUrl to load the appropriate html file
+  </msg>
+  <msg id="addVideoPropertyAndDecorateWithInput"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:22,24</source>
+    video/video.component.ts: Add a video property and decorate it with @Input()
+  </msg>
+  <msg id="displayVideoTitle"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:25,27</source>
+    video/video.component.html: Display the video title
+  </msg>
+  <msg id="displayVideoThumbnail"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:28,30</source>
+    video/video.component.html: Display the video thumbnail (src)
+  </msg>
+  <msg id="displayVideoDescription"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:31,33</source>
+    video/video.component.html: Display the video description
+  </msg>
+  <msg id="displayVideoData"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:34,36</source>
+    video/video.component.html: Display the video date
+  </msg>
+  <msg id="displayNumberOfVideoViews"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:37,39</source>
+    video/video.component.html: Display the number of video views
+  </msg>
+  <msg id="displayNumberOfVideoLikes"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:40,42</source>
+    video/video.component.html: Display the number video likes
+  </msg>
+  <msg id="replaceTitleAndThumbnail"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:43,46</source>
+    app.html: Replace existing title and thumbnail with our shiny new my-video
+    component
+  </msg>
+  <msg id="useDataBindingToPassVideoToComponent"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:50,53</source>
+    app.html: Use the data binding to pass the video object to the component
+    (don&apos;t forget the square brackets)
+  </msg>
+  <msg id="943157291250853394"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:67</source><source>src/app/codelabs/angular/component-tree/component-tree.component.html:76</source>Component Tree</msg>
+  <msg id="1106515989755785596"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:69</source>Combine components together</msg>
+  <msg id="1166207354981984344"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:77,80</source>
+      So far we have only one component, but as your app grows it will form a
+      tree of components
+    </msg>
+  <msg id="4420604777002064279"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:86</source>Parent and Child</msg>
+  <msg id="5463254600145635312"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:87,90</source>
+      Any component can render another one by using an HTML element that matches
+      the selector of the other component
+    </msg>
+  <msg id="2419502187482209382"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:121</source><source>src/app/codelabs/angular/component-tree/component-tree.component.html:138</source>Passing Data from Parent to Child</msg>
+  <msg id="2842394284573918883"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:123,125</source>
+      Parent component passes its data to the child component via properties
+    </msg>
+  <msg id="8392567546535132259"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:126,129</source>
+      Change the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>size<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>100<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> and <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>color<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>red<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to
+      recreate the Japanese flag.
+    </msg>
+  <msg id="6462196081007759452"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:140,143</source>
+      The child class must decorate its properties with a special
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>@Input()<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> decorator
+    </msg>
+  <msg id="2816636294709814885"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:148,151</source>
+      This is the first time we&apos;re applying decorators to properties (as opposed
+      to classes).
+    </msg>
+  <msg id="7918580779851885096"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:155</source>Exercise 1</msg>
+  <msg id="2478337245338174731"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:156,159</source>
+      We already know how to create a component. Let&apos;s move all the
+      video-related information into a new component called VideoComponent.
+    </msg>
+  <msg id="7500497445913951281"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:160,162</source>
+      We will bootstrap the component for you; the result will be as follows:
+    </msg>
+  <msg id="1902505859733550335"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:165</source>Cute kitten</msg>
+  <msg id="3260541536331111879"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:188</source>Parent and Child component</msg>
+  <msg id="3013712804500806977"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:189,192</source>
+      Components won&apos;t know about each other unless they&apos;re declared in the same
+      module
+    </msg>
+  <msg id="1036270088685658131"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:245</source>In the next exercise you will use the newly created component</msg>
+  <msg id="5801908609593051593"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:271</source>Next: </msg>
+  <msg id="2606744025024635328"><source>src/app/codelabs/angular/component-tree/component-tree.component.html:272,274</source>
+            Learn how to set up routing in your Angular app
+          </msg>
+  <msg id="UseRouterModule"><source>src/app/codelabs/angular/router/router.component.html:2,5</source>
+    app.module.ts: Using RouterModule.forRoot provide an empty array to the
+    module
+  </msg>
+  <msg id="AddEmptyRoute"><source>src/app/codelabs/angular/router/router.component.html:6,9</source>
+    app.module.ts: Add a route with an empty (\&apos;\&apos;) path to display
+    SearchComponent
+  </msg>
+  <msg id="AddUploadRoute"><source>src/app/codelabs/angular/router/router.component.html:10,12</source>
+    app.module.ts: Add a route with path of &quot;upload&quot; to display UploadComponent
+  </msg>
+  <msg id="AddRouterOutlet"><source>src/app/codelabs/angular/router/router.component.html:13,15</source>
+    app.html: Add router-outlet
+  </msg>
+  <msg id="AddSearchMenu"><source>src/app/codelabs/angular/router/router.component.html:16,18</source>
+    app.html: Add a menu item with a text Search pointing to &quot;/&quot;
+  </msg>
+  <msg id="AddUploadMenu"><source>src/app/codelabs/angular/router/router.component.html:19,21</source>
+    app.html: Add a menu item with a text Upload pointing to &quot;/upload&quot;
+  </msg>
+  <msg id="3035675235126347102"><source>src/app/codelabs/angular/router/router.component.html:32</source>Routing</msg>
+  <msg id="5735074005289672847"><source>src/app/codelabs/angular/router/router.component.html:33</source>Learn how to add routing to your app</msg>
+  <msg id="240729475417950372"><source>src/app/codelabs/angular/router/router.component.html:40,42</source>
+      Router is used to give <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>URLs<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to different parts of your app.
+    </msg>
+  <msg id="1931968164617039768"><source>src/app/codelabs/angular/router/router.component.html:49</source>Kittens</msg>
+  <msg id="6707280048767596762"><source>src/app/codelabs/angular/router/router.component.html:56</source>Puppies</msg>
+  <msg id="5809886278086223708"><source>src/app/codelabs/angular/router/router.component.html:62</source>It takes 3 steps to set up routing in Angular:</msg>
+  <msg id="6382596231037789146"><source>src/app/codelabs/angular/router/router.component.html:64,67</source>
+        Configure the mapping and specify which component to display for which
+        URL
+      </msg>
+  <msg id="5711045063225432498"><source>src/app/codelabs/angular/router/router.component.html:68</source>Create the menu</msg>
+  <msg id="5553583971169159914"><source>src/app/codelabs/angular/router/router.component.html:69</source>Find a place to display selected component</msg>
+  <msg id="3008420115644088420"><source>src/app/codelabs/angular/router/router.component.html:74</source><source>src/app/codelabs/angular/router/router.component.html:86</source>Configuration</msg>
+  <msg id="1679994121974369604"><source>src/app/codelabs/angular/router/router.component.html:75,78</source>
+      Routes are configured by defining an array of mapping between URL path and
+      a component
+    </msg>
+  <msg id="1258665563482381976"><source>src/app/codelabs/angular/router/router.component.html:87</source>Then we have to pass the config to our module.</msg>
+  <msg id="7206914066261457043"><source>src/app/codelabs/angular/router/router.component.html:92,95</source>
+      Note that we&apos;re using <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>RouterModule.forRoot<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> which creates an Angular
+      Module out of our configuration.
+    </msg>
+  <msg id="6019360885418718089"><source>src/app/codelabs/angular/router/router.component.html:99</source>router-outlet</msg>
+  <msg id="2601425993761834840"><source>src/app/codelabs/angular/router/router.component.html:100,103</source>
+      Now we have to find a place where the router would display selected
+      component.
+    </msg>
+  <msg id="2385039709831220213"><source>src/app/codelabs/angular/router/router.component.html:104</source>It can be marked by placing <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>router-outlet tag<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></msg>
+  <msg id="2102825898069375693"><source>src/app/codelabs/angular/router/router.component.html:114</source>Menu</msg>
+  <msg id="1472582053378549544"><source>src/app/codelabs/angular/router/router.component.html:115</source>The last part is creating the menu.</msg>
+  <msg id="2583626845709708422"><source>src/app/codelabs/angular/router/router.component.html:116</source>Use <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>routerLink<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> directive to provide the URL</msg>
+  <msg id="7666470893157840853"><source>src/app/codelabs/angular/router/router.component.html:126,129</source>
+      In the next slide there is an exercise. We&apos;re going to add 2 routes:
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Search<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> and <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Upload<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, and a menu for switching between them.
+    </msg>
+  <msg id="6990537880445556268"><source>src/app/codelabs/angular/router/router.component.html:135,138</source>
+      Note: We have already created empty Upload component and SearchComponent
+      containing search logic.
+    </msg>
+  <msg id="802747981858883975"><source>src/app/codelabs/angular/router/router.component.html:155,156</source>End of The Routing Milestone
+        </msg>
+  <msg id="33440573074633014"><source>src/app/codelabs/angular/router/router.component.html:160,164</source>
+          Check out
+          <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Angular Router Guide<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> for
+          more fun and advanced techniques.
+        </msg>
+  <msg id="2000882412474211848"><source>src/app/codelabs/angular/router/router.component.html:169,171</source>
+            Learn how to create beautiful UIs with Angular Material
+          </msg>
+  <msg id="AddMatModules"><source>src/app/codelabs/angular/material/material.component.html:3,5</source>
+    app.module.ts: Add MatCardModule and MatToolbarModule, to the imports.
+  </msg>
+  <msg id="AddMatToolbar"><source>src/app/codelabs/angular/material/material.component.html:6,8</source>
+    app.html: Add material toolbar containing the title
+  </msg>
+  <msg id="UseMatCard"><source>src/app/codelabs/angular/material/material.component.html:9,11</source>
+    video/video.component.html: Use material card to display the data
+  </msg>
+  <msg id="AddMatCardTitle"><source>src/app/codelabs/angular/material/material.component.html:12,15</source>
+    video/video.component.html: Add mat-card-title (inside of the mat-card) to display
+    video title
+  </msg>
+  <msg id="AddMatCardSubtitle"><source>src/app/codelabs/angular/material/material.component.html:16,19</source>
+    video/video.component.html: Add mat-card-subtitle (inside of the mat-card) to
+    display video description
+  </msg>
+  <msg id="AddMatImage"><source>src/app/codelabs/angular/material/material.component.html:20,23</source>
+    video/video.component.html: Mark img with mat-card-image attribute (inside of the
+    mat-card) so that it takes full card size
+  </msg>
+  <msg id="MoveDataToNewComponent"><source>src/app/codelabs/angular/material/material.component.html:24,27</source>
+    video/video.component.html: move date/views/likes info inside of mat-card-content
+    (inside of the mat-card)
+  </msg>
+  <msg id="4263648592710459003"><source>src/app/codelabs/angular/material/material.component.html:39</source>Material design</msg>
+  <msg id="794755284646120063"><source>src/app/codelabs/angular/material/material.component.html:40</source>Learn how to use Angular Material</msg>
+  <msg id="1590022389491166903"><source>src/app/codelabs/angular/material/material.component.html:45,49</source>
+      Now let&apos;s use
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Angular Material<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+      to make our app look beautiful ✨✨
+    </msg>
+  <msg id="3632098750723132623"><source>src/app/codelabs/angular/material/material.component.html:50,54</source>
+      Angular Material provides you with a set of
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Material Design<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+      components for Angular:
+    </msg>
+  <msg id="1048302075193478813"><source>src/app/codelabs/angular/material/material.component.html:58</source>Fast and Consistent</msg>
+  <msg id="7436636522347025101"><source>src/app/codelabs/angular/material/material.component.html:59</source>Versatile</msg>
+  <msg id="6362038180167515562"><source>src/app/codelabs/angular/material/material.component.html:60</source>Accessible</msg>
+  <msg id="4824840533916827883"><source>src/app/codelabs/angular/material/material.component.html:61</source>Optimized for Angular</msg>
+  <msg id="332404582323211180"><source>src/app/codelabs/angular/material/material.component.html:62</source>Look great on mobile</msg>
+  <msg id="1384935740236089810"><source>src/app/codelabs/angular/material/material.component.html:65,72</source>
+      See the list of components
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>here<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+    </msg>
+  <msg id="7498942977565054992"><source>src/app/codelabs/angular/material/material.component.html:76</source>MatToolBar</msg>
+  <msg id="7915809409906759185"><source>src/app/codelabs/angular/material/material.component.html:77</source>Adding a toolbar takes 2 steps:</msg>
+  <msg id="5179157556117527268"><source>src/app/codelabs/angular/material/material.component.html:79</source>Add <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>MatToolbarModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to the imports</msg>
+  <msg id="5392852815080322940"><source>src/app/codelabs/angular/material/material.component.html:80</source>Use the component in the template</msg>
+  <msg id="4611890716836134126"><source>src/app/codelabs/angular/material/material.component.html:87,91</source>
+      Note that Angular animations come in a separate module. We&apos;re including
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>NoopAnimationsModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> here, but could have used
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>BrowserAnimationsModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> instead, to have full-fledged animations.
+    </msg>
+  <msg id="5691966639616932851"><source>src/app/codelabs/angular/material/material.component.html:95</source>Card</msg>
+  <msg id="9159121920453591417"><source>src/app/codelabs/angular/material/material.component.html:96</source>Now let&apos;s add material card.</msg>
+  <msg id="1176939237964189014"><source>src/app/codelabs/angular/material/material.component.html:104</source>Card Header</msg>
+  <msg id="7240476994819291465"><source>src/app/codelabs/angular/material/material.component.html:105</source>Header and an image.</msg>
+  <msg id="3795029841604666695"><source>src/app/codelabs/angular/material/material.component.html:113</source>Buttons</msg>
+  <msg id="9206609904661056407"><source>src/app/codelabs/angular/material/material.component.html:114</source>Adding some actions....</msg>
+  <msg id="5230163445973304109"><source>src/app/codelabs/angular/material/material.component.html:119,122</source>
+      Note that for the button we&apos;re using <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>mat-button<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> attribute instead
+      of a separate tag.
+    </msg>
+  <msg id="2798270190074840767"><source>src/app/codelabs/angular/material/material.component.html:126</source>Themes</msg>
+  <msg id="1020036473936546385"><source>src/app/codelabs/angular/material/material.component.html:127,130</source>
+      All Angular Material components allow to apply themes. Try different
+      themes by clicking the buttons below:
+    </msg>
+  <msg id="5274217387047721869"><source>src/app/codelabs/angular/material/material.component.html:138,140</source>
+        Indigo
+      </msg>
+  <msg id="7493644276322780505"><source>src/app/codelabs/angular/material/material.component.html:147,149</source>
+        Deep purple
+      </msg>
+  <msg id="1453230058388265146"><source>src/app/codelabs/angular/material/material.component.html:156,158</source>
+        Pink
+      </msg>
+  <msg id="6699275925990014857"><source>src/app/codelabs/angular/material/material.component.html:165,167</source>
+        Purple
+      </msg>
+  <msg id="938217018662676611"><source>src/app/codelabs/angular/material/material.component.html:174,177</source>
+      Read more on theming Angular Material
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>in this guide<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+    </msg>
+  <msg id="8974626884127165311"><source>src/app/codelabs/angular/material/material.component.html:182,185</source>
+      In the next slide there is an exercise. We&apos;re going to materialize our
+      application
+    </msg>
+  <msg id="943558698651917560"><source>src/app/codelabs/angular/material/material.component.html:191,193</source>
+      Note: the final app won&apos;t be super beautiful, we&apos;re still working on that.
+    </msg>
+  <msg id="606239688044547568"><source>src/app/codelabs/angular/material/material.component.html:210,211</source>End of The Material Milestone
+        </msg>
+  <msg id="5706278102391803377"><source>src/app/codelabs/angular/material/material.component.html:215,223</source>
+          Check out Angular Material
+          <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>&quot;Getting Started&quot;<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+          Guide
+        </msg>
+  <msg id="8060234990603309275"><source>src/app/codelabs/angular/material/material.component.html:228,230</source>
+            Learn how to create simple forms with Angular
+          </msg>
+  <msg id="5839870276585422607" desc="AddFormsModule"><source>src/app/codelabs/angular/forms/forms.component.html:3,5</source>
+    app.module.ts: Add FormsModule and MatInputModule, to the imports.
+  </msg>
+  <msg id="891470929346566427" desc="AddTitle"><source>src/app/codelabs/angular/forms/forms.component.html:6,9</source>
+    upload/upload.component.html: Add &quot;title&quot; input bound to the title property of the
+    component
+  </msg>
+  <msg id="6729408012939811950" desc="AddDescription"><source>src/app/codelabs/angular/forms/forms.component.html:10,13</source>
+    upload/upload.component.html: Add &quot;description&quot; textarea bound to the description
+    property of the component
+  </msg>
+  <msg id="2078785402028999261"><source>src/app/codelabs/angular/forms/forms.component.html:24</source>Forms</msg>
+  <msg id="8668858903892446127"><source>src/app/codelabs/angular/forms/forms.component.html:25</source>Adding basic forms into your app</msg>
+  <msg id="6479000658382583894"><source>src/app/codelabs/angular/forms/forms.component.html:30</source><source>src/app/codelabs/angular/forms/forms.component.html:41</source>Simple Form</msg>
+  <msg id="7762953763922284011"><source>src/app/codelabs/angular/forms/forms.component.html:31,34</source>
+      We have this simple form, let&apos;s find out how to map input values with the
+      ones from our Angular component!
+    </msg>
+  <msg id="6425132401823114131"><source>src/app/codelabs/angular/forms/forms.component.html:42</source>First we have to add <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>FormsModule<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> to our NgModule.</msg>
+  <msg id="6840782180922133192"><source>src/app/codelabs/angular/forms/forms.component.html:51</source>NgModel</msg>
+  <msg id="7747367449350171293"><source>src/app/codelabs/angular/forms/forms.component.html:52,55</source>
+      Now let&apos;s use ngModel to bind the inputs to the appropriate fields on the
+      component.
+    </msg>
+  <msg id="4133557133353776426"><source>src/app/codelabs/angular/forms/forms.component.html:56</source>Try changing the inputs and see the values updated.</msg>
+  <msg id="3770170783025031996"><source>src/app/codelabs/angular/forms/forms.component.html:60,63</source>
+      [(NgModel)] - <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Banana in the box<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> is a simple mnemonic for the braces
+      order.
+    </msg>
+  <msg id="2957163997998056771"><source>src/app/codelabs/angular/forms/forms.component.html:67</source>Validation</msg>
+  <msg id="204452644781750281"><source>src/app/codelabs/angular/forms/forms.component.html:68,71</source>
+      It&apos;s really easy to add validation for your inputs using predefined
+      Angular directives.
+    </msg>
+  <msg id="6063238187884699771"><source>src/app/codelabs/angular/forms/forms.component.html:72</source>Let&apos;s make username <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>required<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></msg>
+  <msg id="1433726886237690907"><source>src/app/codelabs/angular/forms/forms.component.html:76,79</source>
+      If you clear the input it&apos;ll be marked with an error, however no error
+      will be displayed. We&apos;ll learn how to display it in the next slide
+    </msg>
+  <msg id="2567247212086724875"><source>src/app/codelabs/angular/forms/forms.component.html:83</source>Displaying Validation Errors</msg>
+  <msg id="8993640169220425895"><source>src/app/codelabs/angular/forms/forms.component.html:84</source>Now we let&apos;s display validation error. It takes 2 steps:</msg>
+  <msg id="2140417106288915448"><source>src/app/codelabs/angular/forms/forms.component.html:86,88</source>
+        Get ahold of the input ngModel using <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>#name=&quot;ngModel&quot;<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> binding
+      </msg>
+  <msg id="5910204214213293332"><source>src/app/codelabs/angular/forms/forms.component.html:89</source>Use <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>usernameModel<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>&apos;s <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>errors<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> property.</msg>
+  <msg id="4692187312954805852"><source>src/app/codelabs/angular/forms/forms.component.html:94,96</source>
+      Try clearing the username input and see the error displayed.
+    </msg>
+  <msg id="7356419770205292883"><source>src/app/codelabs/angular/forms/forms.component.html:99</source>Validators</msg>
+  <msg id="8486095358633987531"><source>src/app/codelabs/angular/forms/forms.component.html:100,106</source>
+      Here&apos;s the list of
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>built-in validators<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+      that Angular provides out of the box
+    </msg>
+  <msg id="3901733599428143571"><source>src/app/codelabs/angular/forms/forms.component.html:108</source>min</msg>
+  <msg id="5386793486940113646"><source>src/app/codelabs/angular/forms/forms.component.html:109</source>max</msg>
+  <msg id="1555721751742522708"><source>src/app/codelabs/angular/forms/forms.component.html:110</source>required</msg>
+  <msg id="3347261489424376125"><source>src/app/codelabs/angular/forms/forms.component.html:111</source>requiredTrue</msg>
+  <msg id="7315714079098881460"><source>src/app/codelabs/angular/forms/forms.component.html:112</source>email</msg>
+  <msg id="2218960621606808970"><source>src/app/codelabs/angular/forms/forms.component.html:113</source>minLength</msg>
+  <msg id="2060941282153877777"><source>src/app/codelabs/angular/forms/forms.component.html:114</source>maxLength</msg>
+  <msg id="7676249558622794260"><source>src/app/codelabs/angular/forms/forms.component.html:115</source>pattern</msg>
+  <msg id="4722824416758060415"><source>src/app/codelabs/angular/forms/forms.component.html:117,123</source>
+      It&apos;s also possible to create custom validators, but it&apos;s out of scope for
+      this milestone, you can read more:
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>here<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+    </msg>
+  <msg id="4915312620327409019"><source>src/app/codelabs/angular/forms/forms.component.html:127</source>Error Always Displayed</msg>
+  <msg id="6090593566257988703"><source>src/app/codelabs/angular/forms/forms.component.html:128,131</source>
+      There&apos;s one small issue though, if we don&apos;t have initial values, the error
+      is displayed right away.
+    </msg>
+  <msg id="9096582104534626115"><source>src/app/codelabs/angular/forms/forms.component.html:139</source>Touched &amp; Dirty</msg>
+  <msg id="7933306550899658878"><source>src/app/codelabs/angular/forms/forms.component.html:140,143</source>
+      Luckily we can check if the user interacted with an input using
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>touched<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> property.
+    </msg>
+  <msg id="8362373699100533468"><source>src/app/codelabs/angular/forms/forms.component.html:145,147</source>
+        <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>dirty<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> is true if the user changed the value of the input.
+      </msg>
+  <msg id="7424734033590338116"><source>src/app/codelabs/angular/forms/forms.component.html:148,151</source>
+        <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>touched<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> is true if the user focused on the input, and then blured
+        without changing the value.
+      </msg>
+  <msg id="4624575175624080439"><source>src/app/codelabs/angular/forms/forms.component.html:156,159</source>
+      Try focusing/bluring the <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>username<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> field, or adding some value and
+      then removing to see the error.
+    </msg>
+  <msg id="544989820040948372"><source>src/app/codelabs/angular/forms/forms.component.html:163</source>Material Inputs (Bonus!)</msg>
+  <msg id="3876627808167319645"><source>src/app/codelabs/angular/forms/forms.component.html:164,167</source>
+      Now let&apos;s make our forms beautiful using Material Design inputs! Main
+      building blocks are:
+    </msg>
+  <msg id="3286433456748135142"><source>src/app/codelabs/angular/forms/forms.component.html:169</source><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>mat-form-field<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> - Wraps the input</msg>
+  <msg id="304466263354781991"><source>src/app/codelabs/angular/forms/forms.component.html:170</source><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>matInput<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> - has to be put on the input</msg>
+  <msg id="8297804625326045690"><source>src/app/codelabs/angular/forms/forms.component.html:171</source><ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>mat-error<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> - Smarter error wrapper</msg>
+  <msg id="3440673282637430108"><source>src/app/codelabs/angular/forms/forms.component.html:177,179</source>
+      Note that we don&apos;t need to <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>#name<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> the input anymore.
+    </msg>
+  <msg id="1410328259781563181"><source>src/app/codelabs/angular/forms/forms.component.html:184,187</source>
+      In the next slide there is an exercise. We&apos;re going to add a form to the
+      upload page.
+    </msg>
+  <msg id="2445797033343456600"><source>src/app/codelabs/angular/forms/forms.component.html:195,198</source>
+      Note: you&apos;d have to manually click on the &quot;upload link&quot; to see the result,
+      we&apos;re working on the fix.
+    </msg>
+  <msg id="4295828568066353117"><source>src/app/codelabs/angular/forms/forms.component.html:214</source>End of The Forms Milestone</msg>
+  <msg id="5553423473844264824"><source>src/app/codelabs/angular/forms/forms.component.html:218,222</source>
+          There are more than one way to handle forms in Angular. While
+          <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Advanced forms<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> milestone is in works, check out
+          <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Angular docs<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+        </msg>
+  <msg id="889876683989703032"><source>src/app/codelabs/angular/forms/forms.component.html:225,228</source>
+            Learn how to start working on your angular app in the Angular-cli
+            Milestone
+          </msg>
+  <msg id="2311168139770217773"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:9</source>Angular-cli</msg>
+  <msg id="5047002157177956173"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:11</source>Learn how to quickly start working on your Angular app</msg>
+  <msg id="9187829672586532965"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:17,20</source>
+      Angular CLI is a command line tool that can be used to quickly get up to
+      speed with running your Angular app.
+    </msg>
+  <msg id="4905842152994295720"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:24,26</source>
+        Hi, I&apos;m <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>angular-cli<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>, I&apos;m a command line tool!
+      </msg>
+  <msg id="3365331980798848575"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:27</source> It may sound scary, but I&apos;m really easy to use! </msg>
+  <msg id="4771765980799553216"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:33</source>node</msg>
+  <msg id="1337679769155326866"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:34</source>Before you start, make sure you have node.js on your machine.</msg>
+  <msg id="5523986709480171160"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:35</source>Open terminal and type in: <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>node -v<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph></msg>
+  <msg id="1982801473038876401"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:37,40</source>
+        If there is an error, follow the
+        <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>NodeJS setup instructions<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph>
+      </msg>
+  <msg id="4085083794028560127"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:41,43</source>
+        If the output is a number, you&apos;re good, move to the next slide.
+      </msg>
+  <msg id="5129000868542765663"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:51</source>installing</msg>
+  <msg id="3925110322481983370"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:52,55</source>
+      Run <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>npm install -g @angular/cli<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph> to install
+      <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>Angular cli<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> on your machine
+    </msg>
+  <msg id="111382302678883601"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:81</source>Creating new Angular app</msg>
+  <msg id="847815468721324902"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:82,85</source>
+      To create a new Angular app run:
+      <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng new awesome-app<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>, then <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>cd awesome-app<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>
+    </msg>
+  <msg id="4986257953238550386"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:107</source>Starting the app</msg>
+  <msg id="8193695606609908840"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:108,110</source>
+      Once you&apos;re in the app folder, start the app with <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng serve<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>
+    </msg>
+  <msg id="4530312955809743235"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:132,136</source>
+      Once the app is started just open
+      <ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>http://localhost:4200/<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> in your
+      browser
+    </msg>
+  <msg id="3483089624374648626"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:140</source>Generating components</msg>
+  <msg id="1559754683396073636"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:141,144</source>
+      You can easily generate new components
+      <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng generate component my-component<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>
+    </msg>
+  <msg id="2534370177218622487"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:157</source>You can also generate modules, services and pipes</msg>
+  <msg id="283640338338989513"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:158,160</source>
+      You can use a shorter version: <ph name="START_TAG_CODE"><ex>&lt;code&gt;</ex>&lt;code&gt;</ph>ng g c my-component<ph name="CLOSE_TAG_CODE"><ex>&lt;/code&gt;</ex>&lt;/code&gt;</ph>
+    </msg>
+  <msg id="4707431474993551896"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:167,168</source>End of The Angular-cli Milestone
+        </msg>
+  <msg id="5456916239811751709"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:171,175</source>
+          This is <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>the end<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> of the codelab, but it&apos;s just the beginning of
+          your Angular journey. Below are some links that can help you continue
+          learning.
+        </msg>
+  <msg id="9154976499052576586"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:179</source>Find features, docs and events listed here</msg>
+  <msg id="1769865782711595328"><source>src/app/codelabs/angular/angular-cli/angular-cli.component.html:183,187</source>
+              makes it easy to create an application that already works, right
+              out of the box and generate new components! It also takes care of
+              the build system for you
+            </msg>
+</messagebundle>
diff --git a/codelab-master/apps/codelab/src/main.ts b/codelab-master/apps/codelab/src/main.ts
new file mode 100644
index 000000000..18cbbe5b4
--- /dev/null
+++ b/codelab-master/apps/codelab/src/main.ts
@@ -0,0 +1,10 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { environment } from './environments/environment';
+import { AppModule } from './app/app.module';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule);
diff --git a/codelab-master/apps/codelab/src/manifest.webmanifest b/codelab-master/apps/codelab/src/manifest.webmanifest
new file mode 100644
index 000000000..6c62bb9de
--- /dev/null
+++ b/codelab-master/apps/codelab/src/manifest.webmanifest
@@ -0,0 +1,51 @@
+{
+  "name": "Codelab",
+  "short_name": "Codelab",
+  "theme_color": "#1976d2",
+  "background_color": "#fafafa",
+  "display": "standalone",
+  "scope": "/",
+  "start_url": "/",
+  "icons": [
+    {
+      "src": "assets/icons/icon-72x72.png",
+      "sizes": "72x72",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/icons/icon-96x96.png",
+      "sizes": "96x96",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/icons/icon-128x128.png",
+      "sizes": "128x128",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/icons/icon-144x144.png",
+      "sizes": "144x144",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/icons/icon-152x152.png",
+      "sizes": "152x152",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/icons/icon-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/icons/icon-384x384.png",
+      "sizes": "384x384",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/icons/icon-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/codelab-master/apps/codelab/src/polyfills.ts b/codelab-master/apps/codelab/src/polyfills.ts
new file mode 100644
index 000000000..dc29929a4
--- /dev/null
+++ b/codelab-master/apps/codelab/src/polyfills.ts
@@ -0,0 +1,18 @@
+import 'fullscreen-api-polyfill';
+import 'zone.js/dist/zone'; // Included with Angular CLI.
+import '@angular/localize/init';
+
+// Needed for babel :(
+(window as any).Buffer = {};
+
+(window as any).process = {
+  env: { DEBUG: undefined },
+  argv: {
+    indexOf() {
+      return 0;
+    }
+  },
+  getuid() {
+    return 0;
+  }
+};
diff --git a/libs/utils/src/lib/sync/components/registration/registration.component.css b/codelab-master/apps/codelab/src/service-worker.js
similarity index 100%
rename from libs/utils/src/lib/sync/components/registration/registration.component.css
rename to codelab-master/apps/codelab/src/service-worker.js
diff --git a/codelab-master/apps/codelab/src/styles.scss b/codelab-master/apps/codelab/src/styles.scss
new file mode 100644
index 000000000..e5588700a
--- /dev/null
+++ b/codelab-master/apps/codelab/src/styles.scss
@@ -0,0 +1,291 @@
+@import '~@angular/material/prebuilt-themes/indigo-pink.css';
+
+body,
+html {
+  margin: 0;
+  padding: 0;
+  height: 100%;
+}
+
+.presentation.size-600 li {
+  font-size: 12px;
+  margin-bottom: 5px;
+}
+
+.space-left {
+  margin-left: 20px;
+}
+
+[row] {
+  flex-direction: row;
+  display: flex;
+}
+
+/* GRID TO USE */
+.col-1 {
+  width: 8.33%;
+}
+
+.col-2 {
+  width: 16.66%;
+}
+
+.col-3 {
+  width: 25%;
+}
+
+.col-4 {
+  width: 33.33%;
+}
+
+.col-5 {
+  width: 41.66%;
+}
+
+.col-6 {
+  width: 50%;
+}
+
+.col-7 {
+  width: 58.33%;
+}
+
+.col-8 {
+  width: 66.66%;
+}
+
+.col-9 {
+  width: 75%;
+}
+
+.col-10 {
+  width: 83.33%;
+}
+
+.col-11 {
+  width: 91.66%;
+}
+
+.col-12 {
+  width: 100%;
+}
+
+.presentation.presentation.presentation [no-padding] .slide {
+  padding: 0;
+}
+
+.browser-frame,
+.runner,
+.browser-frame,
+.frame {
+}
+
+.slide [large-font] {
+  font-size: 30px;
+}
+
+.slide [p20] {
+  padding-top: 20px;
+}
+
+.slide [m20] {
+  margin-top: 20px;
+}
+
+.slide [m40] {
+  margin-top: 40px;
+}
+
+.slide [column-5] {
+  width: 50%;
+  padding: 0 1vw;
+}
+
+.slide [column-4] {
+  width: 40%;
+}
+
+.slide [column-2] {
+  width: 20%;
+}
+
+.slide [column-1] {
+  width: 10%;
+}
+
+.slide [flex] {
+  display: flex;
+}
+
+.slide .browser-frame h1 {
+  font-size: 60px;
+}
+
+.slide .browser-frame h2 {
+  font-size: 20px;
+}
+
+/* TODO(kirjs): Support themes */
+.slide h1 {
+  font-size: 20px;
+}
+
+.centered-vertically {
+  display: flex;
+  flex-direction: column;
+  flex-grow: 1;
+  justify-content: center;
+}
+
+.popup-message {
+  padding: 5px 5px 0 5px;
+  background: black;
+  color: white;
+  font-size: 20px;
+}
+
+.popup-arrow {
+  width: 0;
+  height: 0;
+  border-left: 0 solid transparent;
+  border-right: 20px solid transparent;
+  border-top: 8px solid black;
+}
+
+.monaco-editor.vs
+  .grayed-out-code.grayed-out-code.grayed-out-code.grayed-out-code {
+}
+
+.monaco-editor.vs .loc.loc.loc.loc {
+  background: yellow;
+}
+
+.monaco-editor.vs
+  .highlighted-code.highlighted-code.highlighted-code.highlighted-code {
+  background: yellow;
+}
+
+p {
+  margin: 0;
+  margin-bottom: 10px;
+  padding: 0;
+}
+
+.info:before {
+  content: 'ⓘ';
+  margin-right: 10px;
+}
+
+a {
+  color: #a03800;
+  font-weight: 400;
+}
+
+.info {
+  font-weight: 300;
+  margin-top: 20px;
+  background: #d3fffd;
+  padding: 12px;
+  font-size: 30px;
+}
+
+/*  BUTTONS BAR CONTAINER  */
+.btn-bar {
+  z-index: 2;
+  position: fixed;
+  bottom: 1%;
+  right: 4%;
+  display: flex;
+  flex-direction: row;
+}
+
+.exercise {
+  font-size: 30px;
+  padding: 10px;
+  margin-top: 20px;
+  font-weight: 300;
+  border: 1px #ddd solid;
+}
+
+.exercise:before {
+  content: '💡';
+  display: inline-block;
+  width: 20px;
+  height: 20px;
+  margin-right: 10px;
+}
+
+.exercise.solved {
+  color: #90dd59;
+}
+
+.exercise.solved:before {
+  content: '✔';
+  background: none;
+}
+
+/* context: https://github.com/Microsoft/monaco-editor/issues/113 */
+.monaco-editor .inputarea {
+  position: fixed !important;
+  top: 0 !important;
+  left: 0 !important;
+}
+
+.preload {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  /*change these sizes to fit into your project*/
+  width: 100px;
+  height: 100px;
+}
+
+.preload div {
+  border: 0;
+  margin: 0;
+  width: 40%;
+  height: 40%;
+  position: absolute;
+  border-radius: 50%;
+  animation: spin 2s ease infinite;
+}
+
+.preload :first-child {
+  background: #19a68c;
+  animation-delay: -1.5s;
+}
+
+.preload :nth-child(2) {
+  background: #f63d3a;
+  animation-delay: -1s;
+}
+
+.preload :nth-child(3) {
+  background: #fda543;
+  animation-delay: -0.5s;
+}
+
+.preload :last-child {
+  background: #193b48;
+}
+
+@keyframes spin {
+  0%,
+  100% {
+    transform: translate(0);
+  }
+  25% {
+    transform: translate(160%);
+  }
+  50% {
+    transform: translate(160%, 160%);
+  }
+  75% {
+    transform: translate(0, 160%);
+  }
+}
+
+.mt-60 {
+  margin-top: 60px;
+}
diff --git a/codelab-master/apps/codelab/src/test.ts b/codelab-master/apps/codelab/src/test.ts
new file mode 100644
index 000000000..48bde5fa7
--- /dev/null
+++ b/codelab-master/apps/codelab/src/test.ts
@@ -0,0 +1,32 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/dist/long-stack-trace-zone';
+import 'zone.js/dist/proxy.js';
+import 'zone.js/dist/sync-test';
+import 'zone.js/dist/jasmine-patch';
+import 'zone.js/dist/async-test';
+import 'zone.js/dist/fake-async-test';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+// Unfortunately there's no typing for the `__karma__` variable. Just declare it as any.
+declare var __karma__: any;
+declare var require: any;
+
+// Prevent Karma from running prematurely.
+__karma__.loaded = function() {};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);
+// Finally, start Karma to run the tests.
+__karma__.start();
diff --git a/codelab-master/apps/codelab/src/typings.d.ts b/codelab-master/apps/codelab/src/typings.d.ts
new file mode 100644
index 000000000..dfad1e84b
--- /dev/null
+++ b/codelab-master/apps/codelab/src/typings.d.ts
@@ -0,0 +1,6 @@
+/* SystemJS module definition */
+declare var module: NodeModule;
+declare const chai;
+interface NodeModule {
+  id: string;
+}
diff --git a/codelab-master/apps/codelab/tsconfig.app.json b/codelab-master/apps/codelab/tsconfig.app.json
new file mode 100644
index 000000000..65ae73b58
--- /dev/null
+++ b/codelab-master/apps/codelab/tsconfig.app.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "files": ["./src/main.ts", "./src/polyfills.ts"],
+  "exclude": ["test.ts", "**/*.spec.ts"]
+}
diff --git a/codelab-master/apps/codelab/tsconfig.json b/codelab-master/apps/codelab/tsconfig.json
new file mode 100644
index 000000000..480acf7bd
--- /dev/null
+++ b/codelab-master/apps/codelab/tsconfig.json
@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "types": ["jasmine", "node"]
+  },
+  "angularCompilerOptions": {
+    "enableIvy": true
+  }
+}
diff --git a/codelab-master/apps/codelab/tsconfig.spec.json b/codelab-master/apps/codelab/tsconfig.spec.json
new file mode 100644
index 000000000..43c4640b7
--- /dev/null
+++ b/codelab-master/apps/codelab/tsconfig.spec.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": ["jasmine", "node"]
+  },
+  "files": ["src/test.ts", "src/polyfills.ts"],
+  "include": ["**/*.spec.ts", "**/*.d.ts"]
+}
diff --git a/codelab-master/apps/codelab/tslint.json b/codelab-master/apps/codelab/tslint.json
new file mode 100644
index 000000000..8f03598c8
--- /dev/null
+++ b/codelab-master/apps/codelab/tslint.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tslint.json",
+  "linterOptions": {
+    "exclude": ["src/**/*.json"]
+  },
+  "rules": {}
+}
diff --git a/codelab-master/apps/kirjs/browserslist b/codelab-master/apps/kirjs/browserslist
new file mode 100644
index 000000000..37371cb04
--- /dev/null
+++ b/codelab-master/apps/kirjs/browserslist
@@ -0,0 +1,11 @@
+# This file is currently used by autoprefixer to adjust CSS to support the below specified browsers
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+#
+# For IE 9-11 support, please remove 'not' from the last line of the file and adjust as needed
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11
\ No newline at end of file
diff --git a/codelab-master/apps/kirjs/karma.conf.js b/codelab-master/apps/kirjs/karma.conf.js
new file mode 100644
index 000000000..5e0547450
--- /dev/null
+++ b/codelab-master/apps/kirjs/karma.conf.js
@@ -0,0 +1,16 @@
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+const { join } = require('path');
+const getBaseKarmaConfig = require('../../karma.conf');
+
+module.exports = function(config) {
+  const baseConfig = getBaseKarmaConfig();
+  config.set({
+    ...baseConfig,
+    coverageIstanbulReporter: {
+      ...baseConfig.coverageIstanbulReporter,
+      dir: join(__dirname, '../../coverage/apps/kirjs')
+    }
+  });
+};
diff --git a/codelab-master/apps/kirjs/src/app/app.component.css b/codelab-master/apps/kirjs/src/app/app.component.css
new file mode 100644
index 000000000..59d511d8f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/app.component.css
@@ -0,0 +1,22 @@
+.fire:hover {
+  opacity: 1;
+  cursor: pointer;
+  background: #fff;
+  box-shadow: 0 0 2px #333333;
+}
+
+.fire {
+  opacity: 0.8;
+  position: fixed;
+  right: 10px;
+  top: 10px;
+  background: #ddd;
+  border-radius: 50%;
+  width: 20px;
+  height: 20px;
+  font-size: 12px;
+  text-decoration: none;
+  text-align: center;
+  text-indent: 3px;
+  z-index: 100;
+}
diff --git a/codelab-master/apps/kirjs/src/app/app.component.html b/codelab-master/apps/kirjs/src/app/app.component.html
new file mode 100644
index 000000000..78e4b8e99
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/app.component.html
@@ -0,0 +1,2 @@
+<!--<a class="fire" href="//kirjs.com">🔥️</a>-->
+<router-outlet></router-outlet>
diff --git a/codelab-master/apps/kirjs/src/app/app.component.spec.ts b/codelab-master/apps/kirjs/src/app/app.component.spec.ts
new file mode 100644
index 000000000..ab7de707b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/app.component.spec.ts
@@ -0,0 +1,27 @@
+import { TestBed, async } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+describe('AppComponent', () => {
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [AppComponent]
+    }).compileComponents();
+  }));
+  it('should create the app', async(() => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  }));
+  it(`should have as title 'kirjs'`, async(() => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('kirjs');
+  }));
+  it('should render title in a h1 tag', async(() => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('h1').textContent).toContain(
+      'Welcome to kirjs!'
+    );
+  }));
+});
diff --git a/codelab-master/apps/kirjs/src/app/app.component.ts b/codelab-master/apps/kirjs/src/app/app.component.ts
new file mode 100644
index 000000000..1f6ee4783
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/app.component.ts
@@ -0,0 +1,31 @@
+import { Component, HostListener } from '@angular/core';
+import { Router } from '@angular/router';
+
+@Component({
+  selector: 'kirjs-main',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.css']
+})
+export class AppComponent {
+  title = 'kirjs';
+
+  @HostListener(`window:keydown.meta.'`)
+  HandleLinker() {
+    const key = 'linker';
+    if (localStorage.getItem(key)) {
+      localStorage.removeItem(key);
+      alert(`Linker removed!`);
+    } else {
+      const path = window.location.pathname;
+      localStorage.setItem(key, path);
+      alert(`Linker stored ${path}!`);
+    }
+  }
+
+  constructor(private router: Router) {
+    const path: string = localStorage.getItem('linker');
+    if (path && path !== window.location.pathname) {
+      router.navigate([path]);
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/cv/resume.css b/codelab-master/apps/kirjs/src/app/cv/resume.css
new file mode 100644
index 000000000..f7e26a996
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/cv/resume.css
@@ -0,0 +1,115 @@
+ul {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+ul li {
+  margin: 0;
+  padding: 0;
+}
+
+/*.......| Resume                      |.......................*/
+#resume {
+  max-width: 800px;
+  margin: 0 auto;
+  font-family: verdana, sans-serif;
+}
+#resume #header {
+  width: 250px;
+  float: left;
+}
+#resume #header .title {
+  width: 90px;
+}
+#resume #info {
+  margin-left: 300px;
+}
+#resume h1 {
+  font-size: 1.4em;
+  text-transform: uppercase;
+  margin-top: 30px;
+  margin-bottom: 20px;
+}
+#resume h2 {
+  color: #900;
+  font-size: 1.4em;
+  font-weight: 400;
+  padding-top: 0px;
+  padding-bottom: 10px;
+  margin-bottom: 0;
+}
+#resume h3 {
+  margin: 0;
+  font-size: 0.8em;
+  font-weight: 600;
+}
+#resume h4 {
+  font-size: 0.8em;
+  color: #444;
+  font-weight: 400;
+  padding: 0;
+  margin: 0;
+}
+#resume a {
+  color: #990000;
+}
+#resume .line {
+  font-size: 0.8em;
+  overflow: hidden;
+  padding-top: 12px;
+}
+#resume .title {
+  color: #444;
+  width: 130px;
+  display: block;
+  float: left;
+}
+#resume dl {
+  line-height: 30px;
+}
+#resume dt {
+  width: 190px;
+  float: left;
+}
+#resume .spanstart:after {
+  content: ' - ';
+}
+#resume .date_duration {
+  font-weight: 400;
+}
+#resume .vcard > h1 {
+  font-size: 1.6em;
+  padding: 0;
+  margin: 0;
+  font-weight: 400;
+  padding-bottom: 10px;
+}
+#resume .experience {
+  padding-bottom: 20px;
+}
+#resume .experience:last-child {
+  padding-bottom: 0;
+}
+#resume .experience-header {
+  overflow: hidden;
+}
+#resume .experience-hgroup {
+  float: left;
+}
+#resume .vcalendar li {
+  font-size: 0.8em;
+}
+#resume .description {
+  list-style: circle;
+  color: #666;
+  margin-left: 20px;
+  padding-left: 20px;
+  line-height: 25px;
+}
+#resume .skills {
+  overflow: hidden;
+  margin: 0;
+}
+#resume .skills li {
+  float: left;
+}
diff --git a/codelab-master/apps/kirjs/src/app/cv/resume.html b/codelab-master/apps/kirjs/src/app/cv/resume.html
new file mode 100644
index 000000000..2ad78393d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/cv/resume.html
@@ -0,0 +1,133 @@
+<!DOCTYPE html>
+<head>
+  <link rel="stylesheet" href="resume.css" />
+</head>
+<body style="background-color: white">
+  <div id="resume">
+    <div class="wrap">
+      <div class="header vcard" id="header">
+        <h1 class="fn n">
+          <span class="given-name">Kirill</span>
+          <span class="family-name">Cherkashin</span>
+        </h1>
+
+        <div class="line">
+          <a href="mailto:kirill@kcherkashin.org" title="email" class="email"
+            >kirill@kcherkashin.org</a
+          >
+        </div>
+
+        <div class="line" style="margin-top:40px">
+          <span class="title">Languages:</span>
+          <div>
+            <ul class="skills">
+              <li>English (fluent)</li>
+              <li>Russian (native)</li>
+              <li>Spanish (basic)</li>
+            </ul>
+          </div>
+        </div>
+      </div>
+      <!-- Professional experience-->
+      <div id="info">
+        <div class="vcalendar">
+          <div class="header"><h2>Professional experience</h2></div>
+
+          <div class="experience vevent">
+            <div class="header experience-header">
+              <h3 class="summary">
+                <span class="position">Front-End Developer</span>
+                <span class="date_duration">
+                  <span class="spanstart">April 2013</span>
+                  <span class="spanend">April 2015</span>
+                </span>
+              </h3>
+              <h4><span class="fn org">Lab49</span></h4>
+            </div>
+            <div></div>
+            <ul class="description">
+              <li>
+                Designed and contributed to the development of an Angular single
+                page app for generating reports
+              </li>
+              <li>
+                Developed Backbone-based form handling framework, for a CRUD
+                Single Page application
+              </li>
+              <li>
+                Organized and led internal hackathons, debates and presentations
+              </li>
+            </ul>
+          </div>
+
+          <div class="experience vevent">
+            <div class="header experience-header">
+              <div class="experience-hgroup">
+                <h3 class="summary">
+                  <span class="position">System Administrator</span>
+                  <span class="date_duration">
+                    <span class="spanstart">March 2011</span>
+                    <span class="spanend">April 2013</span>
+                  </span>
+                </h3>
+                <h4>
+                  <span class="fn org">International Medical Corps</span>,
+                  <span>Washington DC</span>
+                </h4>
+              </div>
+            </div>
+
+            <ul class="description">
+              <li>Provided IT support for 50 users</li>
+              <li>Created a single page Backbone app, utilizing YouTube API</li>
+              <li>Developed Active Directory management system with C#</li>
+            </ul>
+          </div>
+
+          <div class="experience vevent">
+            <div class="header experience-header">
+              <h3 class="summary">
+                <span class="position">Freelancer</span>
+                <span class="date_duration">
+                  <span class="spanstart">March 2011</span>
+                  <span class="spanend">April 2013</span>
+                </span>
+              </h3>
+              <h4 class="fn org"><span class="fn org">Freelancing</span></h4>
+            </div>
+            <ul class="description">
+              <li>
+                Developed WordPress web sites for CIPE, ALA group, Taxpayers for
+                Common Sense, Rosebar Lounge.
+              </li>
+            </ul>
+          </div>
+        </div>
+
+        <!-- Education-->
+        <div class="vcalendar">
+          <div class="header"><h2>Education</h2></div>
+
+          <div class="education vevent">
+            <div class="header experience-header vcard location">
+              <h3 class="summary">
+                <span class="position"
+                  >Standardization of Technical Devices</span
+                >
+                <span class="date_duration">
+                  <span class="spanstart">2004</span>
+                  <span class="spanend">2011</span>
+                </span>
+              </h3>
+              <h4>
+                <span class="fn org"
+                  >Moscow University of Radio Engineering</span
+                >, <span>Moscow RU</span>
+              </h4>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</body>
diff --git a/codelab-master/apps/kirjs/src/app/cv/resume.scss b/codelab-master/apps/kirjs/src/app/cv/resume.scss
new file mode 100644
index 000000000..319de81c2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/cv/resume.scss
@@ -0,0 +1,122 @@
+ul {
+  li {
+    margin: 0;
+    padding: 0;
+  }
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+/*.......| Resume                      |.......................*/
+
+#resume {
+  #header {
+    width: 250px;
+    float: left;
+    .title {
+      width: 90px;
+    }
+  }
+
+  #info {
+    margin-left: 300px;
+  }
+  h1 {
+    font-size: 1.4em;
+    text-transform: uppercase;
+    margin-top: 30px;
+    margin-bottom: 20px;
+  }
+  h2 {
+    color: #900;
+    font-size: 1.4em;
+    font-weight: 400;
+    padding-top: 0px;
+    padding-bottom: 10px;
+    margin-bottom: 0;
+  }
+  h3 {
+    margin: 0;
+    font-size: 0.8em;
+    font-weight: 600;
+  }
+  h4 {
+    font-size: 0.8em;
+    color: #444;
+    font-weight: 400;
+    padding: 0;
+    margin: 0;
+  }
+  a {
+    color: #990000;
+  }
+
+  .line {
+    font-size: 0.8em;
+    overflow: hidden;
+    padding-top: 12px;
+  }
+  .title {
+    color: #444;
+    width: 130px;
+    display: block;
+    float: left;
+  }
+  max-width: 800px;
+  margin: 0 auto;
+  font-family: verdana, sans-serif;
+  dl {
+    line-height: 30px;
+  }
+  dt {
+    width: 190px;
+    float: left;
+  }
+  .spanstart:after {
+    content: ' - ';
+  }
+  .date_duration {
+    font-weight: 400;
+  }
+  .vcard > h1 {
+    font-size: 1.6em;
+    padding: 0;
+    margin: 0;
+    font-weight: 400;
+    padding-bottom: 10px;
+  }
+
+  .experience {
+    &:last-child {
+      padding-bottom: 0;
+    }
+    padding-bottom: 20px;
+  }
+  .experience-header {
+    overflow: hidden;
+  }
+  .experience-hgroup {
+    float: left;
+  }
+
+  .vcalendar li {
+    font-size: 0.8em;
+  }
+
+  .description {
+    list-style: circle;
+    color: #666;
+    margin-left: 20px;
+    padding-left: 20px;
+    line-height: 25px;
+  }
+
+  .skills {
+    overflow: hidden;
+    margin: 0;
+    li {
+      float: left;
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/kirjs.module.ts b/codelab-master/apps/kirjs/src/app/kirjs.module.ts
new file mode 100644
index 000000000..967374264
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/kirjs.module.ts
@@ -0,0 +1,189 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { APP_INITIALIZER, NgModule } from '@angular/core';
+import { monacoReady } from '@codelab/code-demos';
+
+import { AppComponent } from './app.component';
+import { RouterModule } from '@angular/router';
+import { environment } from '../../../codelab/src/environments/environment';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { AngularFireModule } from '@angular/fire';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { OverlayComponent } from './modules/streaming/overlay/overlay.component';
+import { MatCardModule } from '@angular/material/card';
+import { MarkdownModule } from 'ngx-markdown';
+
+export const angularFire = AngularFireModule.initializeApp(
+  environment.firebaseConfig
+);
+
+const routes = [
+  {
+    path: 'binary',
+    loadChildren: () =>
+      import('./modules/binary/binary.module').then(m => m.BinaryModule),
+    name: 'Binary',
+    description: 'Learn about Binary in JS',
+    page: 'bonus',
+    prod: true
+  },
+  {
+    path: 'gomoku',
+    loadChildren: () =>
+      import('./modules/gomoku/gomoku.module').then(m => m.GomokuModule),
+    name: 'Gomoku',
+    description: 'Gomoku',
+    page: 'bonus',
+    prod: true
+  },
+  {
+    path: 'cellular-automation',
+    loadChildren: () =>
+      import(
+        './modules/cellular-automation/cellular-automation-routing.module'
+      ).then(m => m.CellularAutomationRoutingModule),
+    name: 'Image inclusion',
+    description: 'Image inclusion'
+  },
+  {
+    path: 'music',
+    loadChildren: () =>
+      import('./modules/music/music.module').then(m => m.MusicModule),
+    name: 'Music',
+    description: 'Music'
+  },
+  {
+    path: 'webassembly',
+    loadChildren: () =>
+      import('./modules/webassembly/webassembly.module').then(
+        m => m.WebassemblyModule
+      ),
+    name: 'webassembly',
+    description: 'webassembly'
+  },
+  {
+    path: 'svg',
+    loadChildren: () =>
+      import('./modules/svg/svg.module').then(m => m.SvgModule),
+    name: 'Svg + Angular',
+    description: 'SVG '
+  },
+  {
+    path: 'regex',
+    loadChildren: () =>
+      import('./modules/regex/regex.module').then(m => m.RegexModule),
+    name: 'Regex',
+    description: 'Regex '
+  },
+  {
+    path: 'ast',
+    loadChildren: () =>
+      import('./modules/ast/ast.module').then(m => m.AstModule),
+    name: 'Ast + Angular',
+    description: 'SVG '
+  },
+  {
+    path: 'svg-race',
+    loadChildren: () =>
+      import('./modules/svg-race/svg-race.module').then(m => m.SvgRaceModule),
+    name: 'SVG Race',
+    description: 'SVG '
+  },
+  {
+    path: '',
+    loadChildren: () =>
+      import('./modules/home/home.module').then(m => m.HomeModule),
+    name: 'Home',
+    description: 'Home'
+  },
+  {
+    path: 'streaming',
+    loadChildren: () =>
+      import('./modules/streaming/streaming.module').then(
+        m => m.StreamingModule
+      ),
+    name: 'Home',
+    description: 'Home'
+  },
+  {
+    path: 'sync',
+    loadChildren: () =>
+      import('./modules/sync/sync.module').then(m => m.SyncModule),
+    name: 'Sync',
+    description: 'Sync Session'
+  },
+  {
+    path: 'stack',
+    loadChildren: () =>
+      import('./modules/stack/stack.module').then(m => m.StackModule),
+    name: 'Stack Module',
+    description: 'stack'
+  },
+  {
+    path: 'sync',
+    loadChildren: () =>
+      import('./modules/sync/sync.module').then(m => m.SyncModule),
+    name: 'Sync',
+    description: 'Sync Session'
+  },
+  {
+    path: 'test',
+    loadChildren: () =>
+      import('./modules/test/test.module').then(m => m.TestModule),
+    name: 'Home',
+    description: 'Home'
+  },
+  {
+    path: 'qna',
+    loadChildren: () =>
+      import('./modules/qna/qna.module').then(m => m.QnaModule),
+    name: 'Q&A'
+  },
+  {
+    path: 'msk',
+    loadChildren: () =>
+      import('./modules/msk/msk.module').then(m => m.MskModule),
+    name: 'Angular Moscow Meetup'
+  },
+  {
+    path: 'stack',
+    loadChildren: () =>
+      import('./modules/stack/stack-routing.module').then(
+        m => m.StackRoutingModule
+      ),
+    name: 'Stack Module',
+    description: 'stack'
+  }
+];
+
+@NgModule({
+  declarations: [AppComponent, OverlayComponent],
+  imports: [
+    BrowserModule,
+    BrowserAnimationsModule,
+    RouterModule.forRoot(routes),
+    AngularFireAuthModule,
+    AngularFireDatabaseModule,
+    angularFire,
+    MatCardModule,
+    MarkdownModule
+  ],
+  providers: [
+    {
+      provide: APP_INITIALIZER,
+      useValue: monacoReady,
+      multi: true
+    },
+    {
+      provide: 'ROUTES',
+      useValue: []
+    },
+    {
+      provide: APP_INITIALIZER,
+      useValue: monacoReady,
+      multi: true
+    }
+  ],
+  bootstrap: [AppComponent]
+})
+export class KirjsModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.css b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.css
new file mode 100644
index 000000000..4f72b9c82
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.css
@@ -0,0 +1,8 @@
+.error {
+  color: red;
+  font-size: 50px;
+}
+
+:host ::ng-deep .header.header.header.header {
+  font-size: inherit;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.html b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.html
new file mode 100644
index 000000000..d18a49f40
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.html
@@ -0,0 +1,4 @@
+<div>
+  <div *ngIf="hasError" class="error">Parsing error</div>
+  <ast-viz (selectNode)="selectNode($event)" [node]="ast"></ast-viz>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.ts b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.ts
new file mode 100644
index 000000000..d641ed5c8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.component.ts
@@ -0,0 +1,55 @@
+import {
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  Output,
+  SimpleChanges
+} from '@angular/core';
+import { parse } from 'babylon';
+
+declare const require;
+
+@Component({
+  selector: 'kirjs-ast-preview-runner',
+  templateUrl: './ast-preview-runner.component.html',
+  styleUrls: ['./ast-preview-runner.component.css']
+})
+export class AstPreviewRunnerComponent implements OnChanges {
+  ast: any;
+  hasError = false;
+  @Input() program = true;
+  @Input() code = '';
+  @Output() highlight = new EventEmitter();
+
+  update() {
+    this.run();
+  }
+
+  selectNode({ loc }) {
+    this.highlight.emit([
+      loc.start.line,
+      loc.start.column + 1,
+      loc.end.line,
+      loc.end.column + 1
+    ]);
+  }
+
+  run() {
+    this.hasError = false;
+    try {
+      this.ast = parse(this.code);
+      if (this.program) {
+        this.ast = this.ast.program.body;
+      }
+    } catch (e) {
+      this.hasError = true;
+    }
+  }
+
+  ngOnChanges(changes: SimpleChanges) {
+    this.run();
+  }
+
+  constructor() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.module.ts b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.module.ts
new file mode 100644
index 000000000..c0609505d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast-preview-runner/ast-preview-runner.module.ts
@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { AstPreviewRunnerComponent } from './ast-preview-runner.component';
+import { FormsModule } from '@angular/forms';
+import { AngularAstVizModule } from '@codelab/angular-ast-viz';
+
+@NgModule({
+  imports: [CommonModule, FormsModule, AngularAstVizModule],
+  declarations: [AstPreviewRunnerComponent],
+  exports: [AstPreviewRunnerComponent]
+})
+export class AstPreviewRunnerModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.css b/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.css
new file mode 100644
index 000000000..30a6c2b44
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.css
@@ -0,0 +1,359 @@
+.bg {
+  background: #fff;
+  opacity: 0.7;
+  padding: 2vw 5vw;
+  margin: 5vw 0;
+  border: 1px solid #000;
+}
+
+#intro h1 {
+  font-size: 9vw;
+  font-weight: 100;
+  font-family: 'Helvetica Neue', sans-serif;
+}
+
+a {
+  color: #9c2600;
+}
+
+#intro h2,
+#outro h2 {
+  font-size: 12vw;
+}
+
+#intro h2,
+#outro h1 {
+  font-size: 6vw;
+}
+
+:host /deep/ .slide > div {
+  width: 100%;
+}
+
+:host /deep/ .slide {
+  background: transparent;
+}
+
+#sausage-pre {
+  background: url(pics/sausage-pre.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#not-like-sausage {
+  background: url(pics/sausage2.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#babel-types {
+  background: url(pics/park.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#babel-traverse .bg,
+#babel-transform .bg,
+#renoir .bg {
+  margin: 30vw 0;
+}
+
+#babel-traverse {
+  background: url(pics/girl-reading-1890.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#babel-transform {
+  background: url(pics/doggie.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#debugger-pre {
+  background: url(pics/debugger.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#renoir {
+  background: url(pics/renoir.png) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#babel-remove-debugger {
+  background: url(pics/cat.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#babel-fit {
+  background: url(pics/the-garden.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#parser {
+  background: url(pics/parser.png) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#links-5-cool-things {
+  background: url(pics/bg-links.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#panda {
+  background: url(pics/panda.webp) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+.henry-zhu {
+  background: url(pics/patreon.png) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+  width: 70vw;
+}
+
+.babylon {
+  background: url(pics/babylon.png) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+  width: 70vw;
+}
+
+.babylon {
+  background: url(pics/babylon.png) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+  width: 70vw;
+}
+
+.success-complete-disco {
+  margin-top: 20px;
+  width: 500px;
+  height: 300px;
+  background: url(pics/success/disco.webp);
+  background-repeat: no-repeat;
+  background-size: cover;
+}
+
+.success-complete-husky {
+  margin-top: 20px;
+  width: 500px;
+  height: 300px;
+  background: url(pics/success/happy.webp);
+  background-repeat: no-repeat;
+  background-size: cover;
+}
+
+.success-complete-dancing {
+  margin-top: 20px;
+  width: 500px;
+  height: 300px;
+  background: url(pics/success/dancing-dog.webp);
+  background-repeat: no-repeat;
+  background-size: cover;
+}
+
+.github {
+  background: url(pics/github.png) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+  width: 70vw;
+}
+
+.opencollective {
+  background: url(pics/opencollective.png) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+  width: 70vw;
+}
+
+#eslint {
+  background: url(pics/debugger.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+}
+
+#kirjs {
+  background: url(pics/kirjs.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+}
+
+#intro,
+#outro {
+  background: url(pics/landscape-with-trees-1.jpg) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+}
+
+.bad-tree {
+  background: url(pics/tree.gif) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+}
+
+#venok img {
+  width: 384px;
+  height: 288px;
+  margin: 0 auto;
+}
+
+.ast-explorer-link:hover {
+  font-size: 5vw;
+}
+
+.ast-explorer-link {
+  padding-top: 25px;
+  font-size: 10px;
+}
+
+.description.description.description {
+  margin: 0;
+  margin-top: 20px;
+  padding: 0;
+  font-size: 0;
+}
+
+#debugger-regex /deep/ .solution:hover:before {
+  color: red;
+  font-size: 3vw;
+}
+
+:host /deep/ #debugger-regex .solution {
+}
+
+.ast-preview-helper-list li:hover {
+  color: #444;
+}
+
+.ast-preview-helper-list li {
+  font-size: 20px;
+  text-decoration: dashed;
+  cursor: pointer;
+  color: #999;
+  border-bottom: 1px #ddd dashed;
+}
+
+.ast-preview {
+  font-size: 30px;
+}
+
+.two-button {
+  background: url(pics/button-1.png) no-repeat;
+  background-size: 50% auto;
+  display: inline-block;
+  height: 50vh;
+  font-size: 5vw;
+  border: 0 solid;
+  padding: 0;
+  margin: 0;
+}
+
+.two-button2 {
+  background: url(pics/two-button2.gif) no-repeat;
+  background-size: 50% auto;
+  display: inline-block;
+  height: 50vh;
+  font-size: 5vw;
+  border: 0 solid;
+  padding: 0;
+  margin: 0;
+}
+
+.two-button3 {
+  background: url(pics/two-button3.gif) no-repeat;
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+  font-size: 5vw;
+  border: 0 solid;
+  padding: 0;
+  margin: 0;
+}
+
+.link-number {
+  display: inline-block;
+  font-size: 8vw;
+  border-radius: 50%;
+  width: 10vw;
+  height: 10vw;
+  text-align: center;
+  margin-bottom: 10vh;
+}
+
+.collie.display {
+  background: url(pics/collie.webp) no-repeat;
+}
+
+.collie {
+  background-size: 100% auto;
+  display: inline-block;
+  height: 40vh;
+  font-size: 5vw;
+  width: 50vw;
+}
+
+.btn-bar {
+  line-height: 3vw;
+}
+
+.btn-bar:hover .font-size {
+  display: block;
+  font-size: 4vw;
+}
+
+.btn-bar .font-size {
+  display: none;
+}
+
+.twitter {
+  color: #444;
+  font-size: 3vw;
+  margin: 2vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.html b/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.html
new file mode 100644
index 000000000..8c332657e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.html
@@ -0,0 +1,429 @@
+<slide-deck slideShortcuts slidesRouting kirjs-tracking>
+  <!--<kirjs-new-progress-bar [fontSize]="fontSize" (fontSizeChange)="updateFontSize($event)"></kirjs-new-progress-bar>-->
+  <slide-arrows></slide-arrows>
+
+  <div *slide id="intro" no-padding>
+    <div class="bg">
+      <h1><b>Абстрактные Синтаксические Деревья</b> в JavaScript</h1>
+      <h2>@kirjs</h2>
+    </div>
+  </div>
+
+  <div *slide id="kirjs" no-padding>
+    <div class="bg"><h2>@kirjs</h2></div>
+  </div>
+
+  <div *slide id="what-s-ast">
+    <h1>Абстрактные синтаксические деревья (АСД)</h1>
+    <h2>
+      Это выступление о том как научить код <b>понимать</b> и
+      <b>трансформировать</b> другой код.
+    </h2>
+  </div>
+
+  <div *slide id="debugger-pre" no-padding>
+    <div class="bg">
+      <h1>Начнем сразу с примера</h1>
+      <h2>Как определить что из файла забыли вырезать <b>console.log</b></h2>
+    </div>
+  </div>
+
+  <div no-padding *slide id="two-buttons">
+    <div class="bg two-button"></div>
+    <div class="bg two-button2"></div>
+  </div>
+
+  <div *slide id="console-log-regex" no-padding>
+    <kirjs-test-set [files]="code.findConsoleLog" [fontSize]="fontSize">
+      <div class="success-complete-dancing"></div>
+    </kirjs-test-set>
+  </div>
+
+  <div no-padding *slide id="two-buttons-push">
+    <div class="bg two-button3"></div>
+  </div>
+
+  <div *slide id="sausage-pre" no-padding></div>
+
+  <div *slide id="not-like-sausage" no-padding></div>
+
+  <div *slide id="parser" no-padding></div>
+
+  <div *slide id="parser-code">
+    <h2>Парсим с помощью babylon:</h2>
+    <code-demo-editor
+      class="editor"
+      language="javascript"
+      [lineNumbers]="false"
+      [(ngModel)]="code.parser"
+      [fontSize]="fontSize * 1.5"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide id="babylon-update">
+    <h2>19 Мая <b>babylon</b> был переименован в <b>@babel/parser</b></h2>
+    <br />
+    <br />
+    <div class="babylon"></div>
+  </div>
+
+  <div *slide id="consle-log-ast-again">
+    <h1>Пример Абстрактного Синтаксического Дерева:</h1>
+
+    <div style="display: flex;">
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLog"
+        type="javascript"
+        lineNumbers="on"
+      ></code-demo-editor>
+
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLogAst"
+        type="JSON"
+        lineNumbers="on"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="scary-tree" no-padding><div class="bad-tree"></div></div>
+
+  <div *slide id="console-log-ast-highlight-body">
+    <div style="display: flex;">
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLog"
+        type="javascript"
+        lineNumbers="on"
+      ></code-demo-editor>
+
+      <!--// TODO(kirjs): [slidesBabelHighlightMatch]="matchTreePartsBody"-->
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLogAstJs"
+        type="JSON"
+        lineNumbers="on"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="console-log-ast-just-body">
+    <div style="display: flex;">
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLog"
+        type="javascript"
+        lineNumbers="on"
+      ></code-demo-editor>
+
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLogBodyAstCode"
+        type="JSON"
+        lineNumbers="on"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="panda" no-padding></div>
+
+  <div *slide id="console-log-ast-just-body-highlight-loc">
+    <div style="display: flex;">
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLog"
+        type="javascript"
+        lineNumbers="on"
+      ></code-demo-editor>
+
+      <!--// TODO(kirjs): [babelHighlightMatch]="matchTreePartsLoc"-->
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLogBodyAstCode"
+        type="JSON"
+        lineNumbers="on"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="console-log-ast-no-loc">
+    <div style="display: flex;">
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLog"
+        type="javascript"
+        lineNumbers="on"
+      ></code-demo-editor>
+
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLogNoLocCode"
+        type="JSON"
+        lineNumbers="on"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="console-log-structure" no-padding>
+    <div style="display: flex;height: 200px;flex-shrink: 0">
+      <code-demo-editor
+        [minLines]="1"
+        [autoSize]="false"
+        class="editor"
+        [(ngModel)]="code.astPreview"
+        [fontSize]="fontSize * 2"
+        [lineNumbers]="false"
+        style="width: 70%;"
+      ></code-demo-editor>
+      <div class="ast-preview-helper-list">
+        <ul>
+          <li (click)="code.astPreview = 'log'">log</li>
+          <li (click)="code.astPreview = 'console.log'">console.log</li>
+          <li (click)="code.astPreview = 'log()'">log()</li>
+          <li (click)="code.astPreview = 'console.log()'">console.log()</li>
+          <li (click)="code.astPreview = 'console.log(1)'">console.log(1)</li>
+          <li (click)="code.astPreview = 'console.log(1,a.b)'">
+            console.log(1, a.b)
+          </li>
+          <li (click)="code.astPreview = 'hi;\n123;\n/lol/;\ntrue;\nnull'">
+            All literals
+          </li>
+        </ul>
+      </div>
+    </div>
+    <kirjs-ast-preview-runner
+      (highlight)="asthighlight = $event"
+      #astPreview
+      [code]="code.astPreview"
+      class="ast-preview"
+    ></kirjs-ast-preview-runner>
+    <div
+      class="collie ast-preview"
+      [class.display]="displayCallee"
+      (click)="displayCallee = !displayCallee"
+    ></div>
+  </div>
+
+  <div *slide id="console-log-ast-no-loc2">
+    <div style="display: flex;">
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLog"
+        type="javascript"
+        lineNumbers="on"
+      ></code-demo-editor>
+
+      <code-demo-editor
+        style="width: 50%"
+        [(ngModel)]="code.consoleLogNoLocCode"
+        type="JSON"
+        lineNumbers="on"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="babel-traverse" no-padding>
+    <div class="bg">Обход AST с помощью <b>babel-traverse</b></div>
+  </div>
+
+  <div *slide id="console-log-babel-traverse" no-padding>
+    <kirjs-test-set
+      [files]="code.traverseConsoleLogBabel"
+      [fontSize]="fontSize"
+      [showAst]="true"
+    >
+      <div class="success-complete-husky"></div>
+    </kirjs-test-set>
+  </div>
+
+  <div *slide id="babel-types" no-padding>
+    <div class="bg">Упрощаем работу с AST с помощью <b>babel-types</b></div>
+  </div>
+
+  <div *slide id="babel-types-identifier" no-padding>
+    <code-demo-editor
+      class="editor"
+      language="javascript"
+      [lineNumbers]="false"
+      [(ngModel)]="code.types.identifier"
+      [fontSize]="fontSize * 1.5"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide id="babel-types-name" no-padding>
+    <code-demo-editor
+      class="editor"
+      language="javascript"
+      [lineNumbers]="false"
+      [(ngModel)]="code.types.name"
+      [fontSize]="fontSize * 1.5"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide id="console-log-babel-traverse1" no-padding>
+    <kirjs-test-set
+      [files]="code.traverseConsoleLogBabel2"
+      [fontSize]="fontSize"
+    >
+      <div class="success-complete-husky"></div>
+    </kirjs-test-set>
+  </div>
+
+  <div *slide id="babel-transform" no-padding>
+    <div class="bg">Трансформируем АСД с помощью <b>babel-traverse</b></div>
+  </div>
+
+  <div *slide id="console-log-babel-transform" no-padding>
+    <kirjs-test-set [files]="code.removeConsoleLogBabel" [fontSize]="fontSize">
+      <div class="success-complete-disco"></div>
+    </kirjs-test-set>
+  </div>
+
+  <div *slide id="fond-debugger" no-padding>
+    <div class="bg">Давайте найдем в коде <b>debugger</b></div>
+  </div>
+
+  <div *slide id="debugger-structure2" no-padding>
+    <div style="height: 200px;flex-shrink: 0; display: flex;">
+      <code-demo-editor
+        class="editor"
+        [(ngModel)]="code.astPreviewDebugger"
+        [fontSize]="fontSize"
+        style="width: 70%;"
+      ></code-demo-editor>
+      <div
+        class="ast-preview-helper-list"
+        style="font-size: 2vw;padding: 20px;"
+      >
+        <a href="http://astexplorer.net/">astexplorer.net</a>
+      </div>
+    </div>
+    <kirjs-ast-preview-runner
+      #astPreview
+      [code]="code.astPreviewDebugger"
+      class="ast-preview"
+    ></kirjs-ast-preview-runner>
+  </div>
+
+  <div *slide id="eslint" no-padding>
+    <div class="bg">
+      Давайте напишем плагин для <b>ESLint</b> (на
+      <a href="http://astexplorer.net">AstExplorer</a>)
+    </div>
+  </div>
+
+  <div *slide id="why-break">
+    <h1>Где еще полезны АСД?</h1>
+    <ul>
+      <li>Больше контроля надо кодом, проще рефакторинг, codemods</li>
+      <li>Меньше споров про оформление кода</li>
+      <li>Создание игровых проэктов</li>
+      <li>Лучшее понимание JavaScript</li>
+    </ul>
+  </div>
+
+  <div *slide id="ast-links">
+    <div class="bg">
+      <h2>
+        Когда вы увидите эти 5 ссылок про <b>Babel</b> вы не поверите своим
+        глаза...
+      </h2>
+    </div>
+  </div>
+
+  <div *slide id="ast-links-1">
+    <b class="link-number">1</b>
+    <h2>
+      Все трансформации Babel используют этот API.
+      <a href="https://github.com/babel/babel/tree/master/packages"
+        >плагины и пресеты
+      </a>
+    </h2>
+  </div>
+  <div *slide id="ast-links-2">
+    <b class="link-number">2</b>
+    <h2>
+      Часть процесса добавления новой функциональности в EcmaScript - создание
+      плагина для Babel.
+    </h2>
+    <h2>
+      <a
+        href="https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-logical-assignment-operators"
+      >
+        например logical-assignment-operator</a
+      >
+    </h2>
+  </div>
+
+  <div *slide id="ast-links-3">
+    <b class="link-number">3</b>
+    <h2>Babel Generator теряет форматирование при гегенерации кода.</h2>
+    <h2>
+      <a href="https://www.npmjs.com/package/recast">Recast</a> и
+      <a href="https://www.npmjs.com/package/babel-codemod">Babel CodeMod</a>
+      решают это проблему.
+    </h2>
+  </div>
+
+  <div *slide id="ast-links-4">
+    <b class="link-number">4</b>
+    <h2>
+      Оргомная подборка информации про Babel в репозитории
+      <a href="https://github.com/babel/awesome-babel">Awesome Babel</a>
+    </h2>
+  </div>
+
+  <div *slide id="ast-links-5">
+    <b class="link-number">5</b>
+    <h2>
+      Babel - проект с открытыми исходниками, над ним трудится команда
+      волонтеров и им не помешала бы помощь :)
+    </h2>
+  </div>
+
+  <div *slide id="ast-links-5-1">
+    <b class="link-number">5</b>
+    <h2><a href="https://www.patreon.com/henryzhu">patreon.com/henryzhu</a></h2>
+    <br />
+    <br />
+    <div class="henry-zhu"></div>
+  </div>
+
+  <div *slide id="ast-links-5-2">
+    <b class="link-number">5</b>
+    <h2><a href="opencollective.com/babel">opencollective.com/babel</a></h2>
+    <br />
+    <br />
+    <div class="opencollective"></div>
+  </div>
+
+  <div *slide id="ast-links-5-3">
+    <b class="link-number">5</b>
+    <h2>
+      <a href="github.com/babel/babel/issues">github.com/babel/babel/issues</a>
+    </h2>
+    <br />
+    <br />
+    <div class="github"></div>
+  </div>
+
+  <div *slide id="renoir" no-padding>
+    <div class="bg">
+      <h2>
+        Эта презентация:
+        <a href="https://codelab.fun/ast/intro"
+          >https://codelab.fun/ast/intro</a
+        >
+      </h2>
+      <h2>
+        Картинки: <a href="https://twitter.com/artist_renoir">@artist_renoir</a>
+      </h2>
+      <h2>Мой твиттер: <a href="https://twitter.com/kirjs">@kirjs</a></h2>
+    </div>
+  </div>
+
+  <div *slide id="outro" no-padding>
+    <div class="bg"><h1>Thank you!</h1></div>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.ts b/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.ts
new file mode 100644
index 000000000..afd57a239
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast.component.ts
@@ -0,0 +1,222 @@
+import { Component } from '@angular/core';
+
+import { parse } from 'babylon';
+import {
+  findHighlightsObjectProp,
+  isBody,
+  isLoc,
+  isType,
+  processCode,
+  removeDoubleWhiteLines,
+  removeLoc
+} from './parse-hello-world-ast';
+import { exercise } from '../../../../../codelab/src/app/shared/helpers/helpers';
+
+declare const require;
+
+const helloWorld = require('./samples/hello-world.json');
+
+function jsify(program) {
+  return 'const ast = ' + JSON.stringify(program, null, '  ');
+}
+
+const helloWorldCodePre = jsify(helloWorld);
+
+const angularCodeBefore = `import {
+  Component
+} from '@angular/core';
+
+@Component({
+  selector: 'amazing-component',
+  template: './app.html',
+})
+export class SimpleEditorComponent implements ControlValueAccessor {
+}`;
+const angularCodeAfter = `import {
+  Component,
+  forwardRef,
+} from '@angular/core';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+
+@Component({
+  selector: 'amazing-component',
+  template: './app.html',
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => SimpleEditorComponent),
+      multi: true
+    }
+  ],
+})
+export class SimpleEditorComponent implements ControlValueAccessor {
+  registerOnTouched(fn: any): void {
+  }
+
+  registerOnChange(onChange: (code: string) => void): void {
+    this.change.subscribe(onChange)
+  }
+
+  writeValue(value: string): void {
+    console.log(value)
+  }
+}`;
+
+const consoleLog = `console.log('hello')`;
+const consoleLogAst = parse(consoleLog);
+const consoleLogCode = JSON.stringify(consoleLogAst, null, '  ');
+const consoleLogBodyAst = consoleLogAst.program.body;
+const consoleLogBodyAstCode = JSON.stringify(consoleLogBodyAst, null, '  ');
+const consoleLogNoLocCode = removeDoubleWhiteLines(
+  processCode(consoleLogBodyAstCode, { remove: [removeLoc] })
+);
+
+@Component({
+  selector: 'kirjs-ast',
+  templateUrl: './ast.component.html',
+  styleUrls: ['./ast.component.css']
+})
+export class AstComponent {
+  fontSize = 28;
+
+  displayCallee = false;
+  code = {
+    parser: `import { parse } from 'babylon';
+parse("console.log('🐶🐶🐶')");`,
+    astPreview: 'log',
+    astPreviewDebugger: 'console.log();\ndebugger\n123',
+    types: {
+      identifier: `
+// Before
+path.node.property.type === 'Identifier'
+
+// with babel types
+import {isIdentifier} from 'babel-types';
+isIdentifier(path.node.property)`,
+      name: `
+// Before
+path.node.property.type === 'Identifier'
+path.node.property.name === 'log'
+
+// with babel types
+import {isIdentifier} from 'babel-types';
+isIdentifier(path.node.property, {name: log})`
+    },
+    astHello: 'hello(console.log)',
+    matches: {
+      loc: /"loc": \{[\s\S]*?\{[\s\S]*?\}[\s\S]*?\{[\s\S]*?\}[\s\S]*?\},/
+    },
+    astExampleFull: processCode(helloWorldCodePre, { remove: [] }),
+    astExample: removeDoubleWhiteLines(
+      processCode(helloWorldCodePre, { remove: [removeLoc] })
+    ),
+    astExampleNoBody: removeDoubleWhiteLines(
+      processCode(jsify(helloWorld.program.body), { remove: [removeLoc] })
+    ),
+    consoleLog: consoleLog,
+    consoleLogAst: consoleLogCode,
+    consoleLogAstJs: 'const ast = ' + consoleLogCode,
+    consoleLogBodyAstCode,
+    consoleLogNoLocCode,
+    angularCodeBefore,
+    angularCodeAfter,
+    angularMatchesAfter: [/a/],
+    findConsoleLog: [
+      exercise(
+        'find-console-log',
+        require('!!raw-loader!./samples/find-console-log/find-console-log.js'),
+        require('!!raw-loader!./samples/find-console-log/find-console-log-regex.solved.js')
+      ),
+      exercise(
+        'find-console-log.test',
+        require('!!raw-loader!./samples/find-console-log/find-console-log.test.js')
+      )
+    ],
+    findDebuggerBabel: [
+      exercise(
+        'find-debugger-babel',
+        require('!!raw-loader!./samples/find-debugger/find-debugger-babel.ts'),
+        require('!!raw-loader!./samples/find-debugger/find-debugger-babel.solved.ts')
+      ),
+      exercise(
+        'find-debugger.test',
+        require('!!raw-loader!./samples/find-debugger/find-debugger.test.js')
+      )
+    ],
+    traverseConsoleLogBabel: [
+      exercise(
+        'traverse-console-log-babel',
+        require('!!raw-loader!./samples/find-console-log/traverse-console-log-babel.ts'),
+        require('!!raw-loader!./samples/find-console-log/traverse-console-log-babel.solved.ts')
+      ),
+      exercise(
+        'find-console-log.test',
+        require('!!raw-loader!./samples/find-console-log/find-console-log.test.js')
+      )
+    ],
+    traverseConsoleLogBabel2: [
+      exercise(
+        'traverse-console-log-babel',
+        require('!!raw-loader!./samples/find-console-log/traverse-console-log-babel.solved.ts'),
+        require('!!raw-loader!./samples/find-console-log/traverse-console-log-babel.solved2.ts')
+      ),
+      exercise(
+        'find-console-log.test',
+        require('!!raw-loader!./samples/find-console-log/find-console-log.test.js')
+      )
+    ],
+    removeConsoleLogBabel: [
+      exercise(
+        'remove-console-log',
+        require('!!raw-loader!./samples/find-console-log/remove-console-log.ts'),
+        require('!!raw-loader!./samples/find-console-log/remove-console-log.solved.ts')
+      ),
+      exercise(
+        'remove-console-log.test',
+        require('!!raw-loader!./samples/find-console-log/remove-console-log.test.js')
+      )
+    ],
+    findfIt: [
+      exercise(
+        'find-fit',
+        require('!!raw-loader!./samples/find-fit/find-fit.js'),
+        require('!!raw-loader!./samples/find-fit/find-fit.solved.js')
+      ),
+      exercise(
+        'find-fit.test',
+        require('!!raw-loader!./samples/find-fit/find-fit.test.js')
+      )
+    ],
+    itLines: [
+      exercise(
+        'it-lines',
+        require('!!raw-loader!./samples/it-lines/it-lines.js'),
+        require('!!raw-loader!./samples/it-lines/it-lines.solved.js')
+      ),
+      exercise(
+        'it-lines.test',
+        require('!!raw-loader!./samples/it-lines/it-lines.test.js')
+      )
+    ],
+    decToBin: require('!!raw-loader!./samples/dec-to-bin.js'),
+    decToBinFixed: require('!!raw-loader!./samples/dec-to-bin-with-semicolons.js')
+  };
+
+  constructor() {}
+
+  matchTreePartsLoc(code) {
+    return findHighlightsObjectProp(code, [isLoc]);
+  }
+
+  matchTreePartsBody(code) {
+    return findHighlightsObjectProp(code, [isBody]);
+  }
+
+  matchTreePartsType(code) {
+    return findHighlightsObjectProp(code, [isType]);
+  }
+
+  updateFontSize(diff) {
+    this.fontSize += diff;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/ast.module.ts b/codelab-master/apps/kirjs/src/app/modules/ast/ast.module.ts
new file mode 100644
index 000000000..b200b64ad
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/ast.module.ts
@@ -0,0 +1,45 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FormsModule } from '@angular/forms';
+import { MatCardModule } from '@angular/material/card';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { AngularSlidesToPdfModule } from '@codelab/angular-slides-to-pdf';
+import { BrowserWindowModule } from '@codelab/browser';
+import { FeedbackModule } from '@codelab/feedback';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { AstPreviewRunnerModule } from './ast-preview-runner/ast-preview-runner.module';
+import { NewProgressBarModule } from './new-progress-bar/new-progress-bar.module';
+import { AstComponent } from './ast.component';
+import { DebuggerComponent } from './debugger/debugger.component';
+import { TestSetComponent } from './test-set/test-set.component';
+import { SizePickerModule } from './size-picker/size-picker.module';
+import { BabelTestRunnerComponent } from './test-set/babel-test-runner/babel-test-runner.component';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(AstComponent));
+
+@NgModule({
+  imports: [
+    routes,
+    CommonModule,
+    AstPreviewRunnerModule,
+
+    SlidesModule,
+    BrowserWindowModule,
+    FeedbackModule,
+    CodeDemoModule,
+    FormsModule,
+    SizePickerModule,
+    MatCardModule,
+    NewProgressBarModule,
+    AngularSlidesToPdfModule
+  ],
+  declarations: [
+    AstComponent,
+    BabelTestRunnerComponent,
+    DebuggerComponent,
+    TestSetComponent
+  ],
+  exports: [AstComponent]
+})
+export class AstModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/babel-highlight/babel-highlight-match.directive.ts b/codelab-master/apps/kirjs/src/app/modules/ast/babel-highlight/babel-highlight-match.directive.ts
new file mode 100644
index 000000000..0d489f3ae
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/babel-highlight/babel-highlight-match.directive.ts
@@ -0,0 +1,36 @@
+import { AfterViewInit, Directive, Input, NgModule } from '@angular/core';
+import { CodeDemoEditorComponent } from '@codelab/code-demos/src/lib/code-demo-editor/code-demo-editor.component';
+
+// TODO(kirjs): Uncommit
+@Directive({
+  // tslint:disable-next-line:all TODO: Fix linter warnings on the selector and delete this comment.
+  selector: '[slidesBabelHighlightMatch]'
+})
+export class BabelHighlightDirective implements AfterViewInit {
+  // tslint:disable-next-line:all TODO: Fix linter warnings on the next line and delete this comment.
+  @Input('slidesBabelHighlightMatch') callback;
+
+  constructor(private editorComponent: CodeDemoEditorComponent) {}
+
+  ngAfterViewInit(): void {
+    if (this.callback) {
+      const matches = this.callback(this.editorComponent.code) || [];
+
+      const decorations = matches.map(match => {
+        return {
+          range: new this.editorComponent.monacoConfigService.monaco.Range(
+            ...match.loc
+          ),
+          options: { inlineClassName: match.className }
+        };
+      });
+
+      this.editorComponent.editor.deltaDecorations([], decorations);
+    }
+  }
+}
+
+@NgModule({
+  declarations: [BabelHighlightDirective]
+})
+export class MockaADASDASDASDASDASDModule {}
diff --git a/libs/utils/src/lib/sync/components/sync-code-game/sync-code-game-admin/sync-code-game-admin.component.css b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/sync-code-game/sync-code-game-admin/sync-code-game-admin.component.css
rename to codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.css
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.html b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.html
new file mode 100644
index 000000000..96240b0d6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.html
@@ -0,0 +1,13 @@
+<code-demo-editor
+  [(ngModel)]="code"
+  style="height: 200px;flex-shrink: 0"
+  [fontSize]="fontSize"
+></code-demo-editor>
+<h2>
+  <button style="margin-left: 100px;font-size: 2vw" (click)="run()">
+    RUN!
+  </button>
+</h2>
+<div>
+  (Example from <a href="https://github.com/denysdovhan/wtfjs"> wtfjs</a>)
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.spec.ts
new file mode 100644
index 000000000..6d7038ca6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DebuggerComponent } from './debugger.component';
+
+describe('DebuggerComponent', () => {
+  let component: DebuggerComponent;
+  let fixture: ComponentFixture<DebuggerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [DebuggerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(DebuggerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.ts b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.ts
new file mode 100644
index 000000000..92e6af5d8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.component.ts
@@ -0,0 +1,22 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+declare const require;
+const code = require('!!raw-loader!./debugger.ts');
+
+@Component({
+  selector: 'kirjs-debugger-sample',
+  templateUrl: './debugger.component.html',
+  styleUrls: ['./debugger.component.css']
+})
+export class DebuggerComponent implements OnInit {
+  @Input() fontSize = 20;
+  code = code;
+
+  constructor() {}
+
+  run() {
+    eval(this.code + ';weird()');
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.ts b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.ts
new file mode 100644
index 000000000..44388eeec
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/debugger/debugger.ts
@@ -0,0 +1,13 @@
+function weird() {
+  parseInt('Infinity', 10);
+  parseInt('Infinity', 18);
+  parseInt('Infinity', 19);
+  parseInt('Infinity', 23);
+  parseInt('Infinity', 24);
+  parseInt('Infinity', 29);
+  parseInt('Infinity', 30);
+  parseInt('Infinity', 34);
+  parseInt('Infinity', 35);
+  parseInt('Infinity', 36);
+  parseInt('Infinity', 37);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.css b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.css
new file mode 100644
index 000000000..26fffe6bf
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.css
@@ -0,0 +1,69 @@
+.progress-bar {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  width: 100vw;
+  z-index: 100;
+  background-color: #fff;
+  border-top: 1px solid #000;
+  padding: 0.5vw;
+  opacity: 0.3;
+}
+
+.progress-bar:hover .font-size {
+  visibility: visible;
+}
+
+.progress-bar:hover {
+  opacity: 1;
+}
+
+.font-size {
+  visibility: hidden;
+}
+
+.slide-block.completed-slide {
+  background: #ddd;
+}
+
+.slide-block.completed-slide {
+  background: #000;
+}
+
+.slide-block:hover {
+  opacity: 1;
+  cursor: pointer;
+}
+
+.slide-block.current-slide {
+  background: lime;
+}
+
+.slide-block {
+  margin-top: 0.1vw;
+  opacity: 0.7;
+  width: 0.5vw;
+  height: 0.5vw;
+  border: 1px solid #000;
+  border-radius: 50%;
+  margin-right: 0.3vw;
+}
+
+.handle {
+  font-family: 'Helvetica Neue', sans-serif;
+  position: fixed;
+  right: 0;
+  bottom: 0;
+  color: #444444;
+  font-size: 3vw;
+  z-index: 101;
+  padding: 0.5vw;
+  padding-right: 2vw;
+  text-shadow: 0px 3px 20px #fff, 0px -3px 20px #fff, -3px 0px 20px #fff,
+    3px 0px 20px #fff;
+  text-decoration: none;
+}
+
+kirjs-size-picker {
+  margin-right: 200px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.html b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.html
new file mode 100644
index 000000000..a67d63567
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.html
@@ -0,0 +1,25 @@
+<div
+  class="progress-bar"
+  *ngIf="slides.length"
+  style="justify-content: space-between;display: flex;"
+>
+  <span style="margin-right: 2vw;">{{ title }}</span>
+  <span class="font-size">
+    <kirjs-size-picker
+      (sizeChange)="fontSizeChange.emit($event)"
+      [size]="fontSize"
+    ></kirjs-size-picker>
+  </span>
+  <div class="points-container" #progressBarDiv style="display: flex;">
+    <div *ngFor="let slide of slides; let i = index" (click)="goToSlide(i)">
+      <div
+        class="slide-block"
+        [class.completed-slide]="i < activeSlideIndex"
+        [class.current-slide]="i === activeSlideIndex"
+      ></div>
+    </div>
+  </div>
+
+  <span></span>
+</div>
+<a href="https://twitter.com/kirjs" class="handle">sli.do/armadajs | @kirjs</a>
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.ts b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.ts
new file mode 100644
index 000000000..6639b5205
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.component.ts
@@ -0,0 +1,46 @@
+import {
+  AfterViewInit,
+  Component,
+  EventEmitter,
+  Input,
+  Output
+} from '@angular/core';
+import { SlidesDeckComponent } from '@ng360/slides';
+
+@Component({
+  selector: 'kirjs-new-progress-bar',
+  templateUrl: './new-progress-bar.component.html',
+  styleUrls: ['./new-progress-bar.component.css']
+})
+export class NewProgressBarComponent implements AfterViewInit {
+  @Input() fontSize = 28;
+  @Input() title = 'JavaScript AST';
+  @Output() fontSizeChange = new EventEmitter();
+  slides = [];
+  activeSlideIndex = 0;
+  tempSlideId = 0;
+
+  constructor(public deck: SlidesDeckComponent) {}
+
+  ngAfterViewInit() {
+    // Change detection complains if updating it right away.
+    requestAnimationFrame(() => {
+      this.slides = this.deck.slides;
+      this.activeSlideIndex = this.deck.activeSlideIndex;
+    });
+
+    this.deck.slideChange.subscribe(index => {
+      this.activeSlideIndex = index;
+    });
+  }
+
+  previewSlide(index) {
+    this.tempSlideId = this.activeSlideIndex;
+    this.deck.goToSlide(index);
+  }
+
+  goToSlide(index) {
+    this.deck.goToSlide(index);
+    this.tempSlideId = this.activeSlideIndex;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.module.ts b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.module.ts
new file mode 100644
index 000000000..854c0bdec
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/new-progress-bar/new-progress-bar.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { NewProgressBarComponent } from './new-progress-bar.component';
+import { CommonModule } from '@angular/common';
+import { SizePickerModule } from '../size-picker/size-picker.module';
+
+@NgModule({
+  imports: [CommonModule, SizePickerModule],
+  declarations: [NewProgressBarComponent],
+  exports: [NewProgressBarComponent]
+})
+export class NewProgressBarModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/parse-hello-world-ast.ts b/codelab-master/apps/kirjs/src/app/modules/ast/parse-hello-world-ast.ts
new file mode 100644
index 000000000..f811896d8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/parse-hello-world-ast.ts
@@ -0,0 +1,103 @@
+import { parse } from 'babylon';
+import generate from '@babel/generator';
+import babel_traverse from '@babel/traverse';
+
+export function isLoc(node) {
+  return (
+    node.key.value === 'loc' ||
+    node.key.value === 'start' ||
+    node.key.value === 'end' ||
+    node.key.value === 'extra'
+  );
+}
+
+export function isType(node) {
+  return node.key.value === 'type';
+}
+
+export function isBody(node) {
+  return node.key.value === 'body';
+}
+
+export function removeLoc(path) {
+  if (isLoc(path.node)) {
+    path.remove();
+  }
+}
+
+export function removeExtra(path) {
+  if (isLoc(path.node)) {
+    path.remove();
+  }
+}
+
+export function locToMonacoLoc(loc, className) {
+  return {
+    loc: [
+      loc.start.line,
+      loc.start.column + 1,
+      loc.end.line,
+      loc.end.column + 1
+    ],
+    className
+  };
+}
+export function parseCode(code) {
+  return parse(code);
+}
+
+export function processCode(code, { remove = [] }: any) {
+  const ast = parse(code, {
+    sourceType: 'module',
+    plugins: ['decorators']
+  });
+
+  babel_traverse(ast, {
+    ObjectProperty(path) {
+      remove.forEach(callback => callback(path));
+    }
+  });
+
+  return generate(ast, {}).code;
+}
+
+export function findHighlightsObjectProp(code: string, matchers: Array<any>) {
+  const ast = parse(code, {
+    sourceType: 'module',
+    plugins: ['decorators']
+  });
+
+  const highlights = [];
+
+  babel_traverse(ast, {
+    ObjectProperty({ node }) {
+      if (matchers.some(matcher => matcher(node))) {
+        highlights.push(locToMonacoLoc(node.loc, 'loc'));
+      }
+    }
+  });
+  return highlights;
+}
+
+export function findHighlightsAll(code: string, matcher) {
+  const ast = parse(code, {
+    sourceType: 'module',
+    plugins: ['decorators']
+  });
+
+  const highlights = [];
+
+  babel_traverse(ast, {
+    enter({ node }) {
+      const className = matcher(node);
+      if (className) {
+        highlights.push(locToMonacoLoc(node.loc, className));
+      }
+    }
+  });
+  return highlights;
+}
+
+export function removeDoubleWhiteLines(code) {
+  return code.replace(/\n\n/gi, '\n');
+}
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diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/dec-to-bin-with-semicolons.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/dec-to-bin-with-semicolons.js
new file mode 100644
index 000000000..4b00d54cc
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/dec-to-bin-with-semicolons.js
@@ -0,0 +1,132 @@
+function bin6BitsToDec(bin) {
+  switch (bin) {
+    case '000000':
+      return 0;
+    case '000001':
+      return 1;
+    case '000010':
+      return 2;
+    case '000011':
+      return 3;
+    case '000100':
+      return 4;
+    case '000101':
+      return 5;
+    case '000110':
+      return 6;
+    case '000111':
+      return 7;
+    case '001000':
+      return 8;
+    case '001001':
+      return 9;
+    case '001010':
+      return 10;
+    case '001011':
+      return 11;
+    case '001100':
+      return 12;
+    case '001101':
+      return 13;
+    case '001110':
+      return 14;
+    case '001111':
+      return 15;
+    case '010000':
+      return 16;
+    case '010001':
+      return 17;
+    case '010010':
+      return 18;
+    case '010011':
+      return 19;
+    case '010100':
+      return 20;
+    case '010101':
+      return 21;
+    case '010110':
+      return 22;
+    case '010111':
+      return 23;
+    case '011000':
+      return 24;
+    case '011001':
+      return 25;
+    case '011010':
+      return 26;
+    case '011011':
+      return 27;
+    case '011100':
+      return 28;
+    case '011101':
+      return 29;
+    case '011110':
+      return 30;
+    case '011111':
+      return 31;
+    case '100000':
+      return 32;
+    case '100001':
+      return 33;
+    case '100010':
+      return 34;
+    case '100011':
+      return 35;
+    case '100100':
+      return 36;
+    case '100101':
+      return 37;
+    case '100110':
+      return 38;
+    case '100111':
+      return 39;
+    case '101000':
+      return 40;
+    case '101001':
+      return 41;
+    case '101010':
+      return 42;
+    case '101011':
+      return 43;
+    case '101100':
+      return 44;
+    case '101101':
+      return 45;
+    case '101110':
+      return 46;
+    case '101111':
+      return 47;
+    case '110000':
+      return 48;
+    case '110001':
+      return 49;
+    case '110010':
+      return 50;
+    case '110011':
+      return 51;
+    case '110100':
+      return 52;
+    case '110101':
+      return 53;
+    case '110110':
+      return 54;
+    case '110111':
+      return 55;
+    case '111000':
+      return 56;
+    case '111001':
+      return 57;
+    case '111010':
+      return 58;
+    case '111011':
+      return 59;
+    case '111100':
+      return 60;
+    case '111101':
+      return 61;
+    case '111110':
+      return 62;
+    case '111111':
+      return 63;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/dec-to-bin.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/dec-to-bin.js
new file mode 100644
index 000000000..4b00d54cc
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/dec-to-bin.js
@@ -0,0 +1,132 @@
+function bin6BitsToDec(bin) {
+  switch (bin) {
+    case '000000':
+      return 0;
+    case '000001':
+      return 1;
+    case '000010':
+      return 2;
+    case '000011':
+      return 3;
+    case '000100':
+      return 4;
+    case '000101':
+      return 5;
+    case '000110':
+      return 6;
+    case '000111':
+      return 7;
+    case '001000':
+      return 8;
+    case '001001':
+      return 9;
+    case '001010':
+      return 10;
+    case '001011':
+      return 11;
+    case '001100':
+      return 12;
+    case '001101':
+      return 13;
+    case '001110':
+      return 14;
+    case '001111':
+      return 15;
+    case '010000':
+      return 16;
+    case '010001':
+      return 17;
+    case '010010':
+      return 18;
+    case '010011':
+      return 19;
+    case '010100':
+      return 20;
+    case '010101':
+      return 21;
+    case '010110':
+      return 22;
+    case '010111':
+      return 23;
+    case '011000':
+      return 24;
+    case '011001':
+      return 25;
+    case '011010':
+      return 26;
+    case '011011':
+      return 27;
+    case '011100':
+      return 28;
+    case '011101':
+      return 29;
+    case '011110':
+      return 30;
+    case '011111':
+      return 31;
+    case '100000':
+      return 32;
+    case '100001':
+      return 33;
+    case '100010':
+      return 34;
+    case '100011':
+      return 35;
+    case '100100':
+      return 36;
+    case '100101':
+      return 37;
+    case '100110':
+      return 38;
+    case '100111':
+      return 39;
+    case '101000':
+      return 40;
+    case '101001':
+      return 41;
+    case '101010':
+      return 42;
+    case '101011':
+      return 43;
+    case '101100':
+      return 44;
+    case '101101':
+      return 45;
+    case '101110':
+      return 46;
+    case '101111':
+      return 47;
+    case '110000':
+      return 48;
+    case '110001':
+      return 49;
+    case '110010':
+      return 50;
+    case '110011':
+      return 51;
+    case '110100':
+      return 52;
+    case '110101':
+      return 53;
+    case '110110':
+      return 54;
+    case '110111':
+      return 55;
+    case '111000':
+      return 56;
+    case '111001':
+      return 57;
+    case '111010':
+      return 58;
+    case '111011':
+      return 59;
+    case '111100':
+      return 60;
+    case '111101':
+      return 61;
+    case '111110':
+      return 62;
+    case '111111':
+      return 63;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/eslint/eslint.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/eslint/eslint.js
new file mode 100644
index 000000000..f5cca0b55
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/eslint/eslint.js
@@ -0,0 +1,8 @@
+function findFit(code, { babylon, babelTraverse, babelGenerator, log }) {
+  const ast = babylon.parse(code);
+
+  babelTraverse(ast);
+
+  log(babelGenerator(ast).code);
+  return babelGenerator(ast).code;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/eslint/eslint.test.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/eslint/eslint.test.js
new file mode 100644
index 000000000..fba045364
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/eslint/eslint.test.js
@@ -0,0 +1,63 @@
+function testThings(findDebugger, callback, args) {
+  const log = args.log;
+  const tests = [
+    {
+      title: `describe('test', ()=>{
+  fit('test', ()=>{
+    expect(true).toBe(true);
+  })      
+})`,
+      test(func, args) {
+        let result = func(this.title, args);
+        return result && result.includes && !result.includes('fit');
+      }
+    },
+    {
+      title: `describe('test', ()=>{
+  fit('fits?', ()=>{    
+    let fit = true;
+    expect(fit).toBe(true);    
+  })      
+})`,
+      test(func, args) {
+        let result = func(this.title, args);
+        return (
+          result &&
+          result.includes &&
+          !result.includes('fit(') &&
+          result.includes('let fit')
+        );
+      }
+    }
+  ];
+
+  let results = [];
+  let failed = false;
+  for (let i in tests) {
+    if (tests.hasOwnProperty(i)) {
+      let test = tests[i];
+      if (!failed) {
+        const logs = [];
+        args.log = value => {
+          logs.push(value);
+        };
+        let pass = test.test(findDebugger, args);
+        results.push({ title: test.title, pass: pass });
+        if (!pass) {
+          failed = true;
+          logs.map(log);
+        }
+      } else {
+        results.push({ title: test.title, pass: false });
+      }
+    }
+  }
+
+  callback(results);
+}
+/**
+
+ return code
+ .replace(/\/\/.*|'.*?[^\\]'|".*"|`[\s\S]+`/)
+ .match(/\bdebugger\b/)
+ */
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-babel.solved.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-babel.solved.ts
new file mode 100644
index 000000000..76084cb29
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-babel.solved.ts
@@ -0,0 +1,6 @@
+// tslint:ignore
+function findConsoleLogSolved(code, { babylon, babelTraverse, log }) {
+  return babylon
+    .parse(code)
+    .program.body.some(node => node.type === 'ConsoleLogStatement');
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-babel.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-babel.ts
new file mode 100644
index 000000000..143ddb436
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-babel.ts
@@ -0,0 +1,3 @@
+function findConsoleLogBabel(code, { babylon, babelTraverse, log }) {
+  // Find debugger!!
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-regex.solved.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-regex.solved.js
new file mode 100644
index 000000000..83d7830aa
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log-regex.solved.js
@@ -0,0 +1,5 @@
+function findConsoleLog(code) {
+  return code
+    .replace(/\/\/.*|'.*?[^\\]'|".*?"|`[\s\S]*`|\/\*[\s\S]*\*\//)
+    .match(/\bconsole\s*.log\(/);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log.js
new file mode 100644
index 000000000..fd2105101
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log.js
@@ -0,0 +1 @@
+function findConsoleLog(code) {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log.test.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log.test.js
new file mode 100644
index 000000000..b205c5809
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/find-console-log.test.js
@@ -0,0 +1,120 @@
+function testThings(findConsoleLog, callback, args) {
+  const log = args.log;
+  const tests = [
+    {
+      code: `console.log('🐶🐶🐶')`,
+      expected: true
+    },
+    {
+      code: `lolconsole.log()`,
+      expected: false
+    },
+    {
+      code: `// don't use console.log();`,
+      expected: false
+    },
+    {
+      code: `'console.log()'`,
+      expected: false
+    },
+    {
+      code: `'hi'; console.log(123); 'bye'`,
+      expected: true
+    },
+    {
+      code: `console
+      .log()`,
+      expected: true
+    },
+    {
+      code: `'Fake //'; console.log(123); `,
+      expected: true
+    },
+    {
+      code: `"console.log(123)"`,
+      expected: false
+    },
+    {
+      code: `\`
+       console.log(123)\``,
+      expected: false
+    },
+    {
+      code: `' \\' console.log(123)'`,
+      expected: false
+    },
+    {
+      code: `console.lol()`,
+      expected: false
+    },
+    {
+      code: `"hello".log()`,
+      expected: false
+    },
+    {
+      code: `/* \` 
+       */ console.log(123); \`
+        \` + ''`,
+      expected: true
+    },
+    {
+      code: `function hello() {
+   console.log(123);
+ }`,
+      expected: true
+    },
+    {
+      code: `console.log({
+        hello: 123
+      })`,
+      expected: true
+    },
+    {
+      code: `console.log`,
+      expected: false
+    },
+    {
+      code: `hello(console.log)`,
+      expected: false
+    }
+  ];
+
+  let results = [];
+  let failed = false;
+  for (let i in tests) {
+    if (tests.hasOwnProperty(i)) {
+      let test = tests[i];
+      if (!failed) {
+        const logs = [];
+        args.log = value => {
+          logs.push(value);
+        };
+
+        const result = !!findConsoleLog(test.code, args);
+        const pass = result === test.expected;
+
+        results.push({
+          code: test.code,
+          expected: test.expected,
+          result,
+          pass
+        });
+        if (!pass) {
+          failed = true;
+          logs.map(log);
+        }
+      } else {
+        results.push({ code: test.code, pass: false });
+      }
+    }
+  }
+
+  callback(results);
+}
+
+/**
+
+ return code
+ .replace(/\/\/.*|'.*?[^\\]'|".*"|`[\s\S]+`/)
+ .match(/\bdebugger\b/)
+ */
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.solved.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.solved.ts
new file mode 100644
index 000000000..8fdcb6cff
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.solved.ts
@@ -0,0 +1,21 @@
+function removeConsoleLogSolved(
+  code,
+  { babelGenerator, babylon, babelTraverse, types }
+) {
+  const ast = babylon.parse(code);
+
+  babelTraverse(ast, {
+    MemberExpression(path) {
+      if (
+        types.isIdentifier(path.node.object, { name: 'console' }) &&
+        types.isIdentifier(path.node.property, { name: 'log' }) &&
+        types.isCallExpression(path.parent) &&
+        path.parentKey === 'callee'
+      ) {
+        path.parentPath.remove();
+      }
+    }
+  });
+
+  return babelGenerator(ast).code;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.test.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.test.js
new file mode 100644
index 000000000..4d9028eb1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.test.js
@@ -0,0 +1,108 @@
+function testThings(findConsoleLog, callback, args) {
+  const log = args.log;
+  const tests = [
+    {
+      code: `console.log('🐶🐶🐶')`,
+      expected: ''
+    },
+    {
+      code: `lolconsole.log();`,
+      expected: 'lolconsole.log();'
+    },
+    {
+      code: `console.lol();`,
+      expected: `console.lol();`
+    },
+    {
+      code: `// don't use console.log();`,
+      expected: `// don't use console.log();`
+    },
+    {
+      code: `'console.log()';`,
+      expected: `'console.log()';`
+    },
+    {
+      code: `'hi'; console.log(123); 'bye';`,
+      expected: `'hi';\n'bye';`
+    },
+    {
+      code: `console
+      .log()`,
+      expected: ``
+    },
+    {
+      code: `"console.log(123)";`,
+      expected: `"console.log(123)";`
+    },
+    {
+      code: `\`
+       console.log(1234)\`;`,
+      expected: `\`
+       console.log(1234)\`;`
+    },
+    {
+      code: `' \\' console.log(123)';`,
+      expected: `' \\' console.log(123)';`
+    },
+    {
+      code: `/* \` 
+       */ console.log(123); \`
+        \` + '';`,
+      expected: `\`
+        \` + ''; /* \` 
+                       */`
+    },
+    {
+      code: `hello(console.log);`,
+      expected: `hello(console.log);`
+    }
+  ];
+
+  let results = [];
+  let failed = false;
+  for (let i in tests) {
+    if (tests.hasOwnProperty(i)) {
+      let test = tests[i];
+      if (!failed) {
+        const logs = [];
+        args.log = value => {
+          logs.push(value);
+        };
+
+        let result = false;
+
+        let error;
+        try {
+          result = findConsoleLog(test.code, args);
+        } catch (e) {
+          error = e;
+        }
+
+        const pass = result === test.expected;
+
+        results.push({
+          code: test.code,
+          expected: test.expected,
+          result,
+          pass,
+          error
+        });
+        if (!pass) {
+          failed = true;
+          logs.map(log);
+        }
+      } else {
+        results.push({ code: test.code, pass: false });
+      }
+    }
+  }
+
+  callback(results);
+}
+
+/**
+
+ return code
+ .replace(/\/\/.*|'.*?[^\\]'|".*"|`[\s\S]+`/)
+ .match(/\bdebugger\b/)
+ */
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.ts
new file mode 100644
index 000000000..c6a6018c3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/remove-console-log.ts
@@ -0,0 +1,21 @@
+function removeConsoleLog(
+  code,
+  { babelGenerator, babylon, babelTraverse, types }
+) {
+  const ast = babylon.parse(code);
+  let hasConsoleLog = false;
+  babelTraverse(ast, {
+    MemberExpression(path) {
+      if (
+        types.isIdentifier(path.node.object, { name: 'console' }) &&
+        types.isIdentifier(path.node.property, { name: 'log' }) &&
+        types.isCallExpression(path.parent) &&
+        path.parentKey === 'callee'
+      ) {
+        hasConsoleLog = true;
+      }
+    }
+  });
+
+  return hasConsoleLog;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.solved.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.solved.ts
new file mode 100644
index 000000000..d05fc7a5e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.solved.ts
@@ -0,0 +1,23 @@
+function traverseConsoleLogSolved(
+  code,
+  { babylon, babelTraverse, types, log }
+) {
+  const ast = babylon.parse(code);
+  let hasConsoleLog = false;
+  babelTraverse(ast, {
+    MemberExpression(path) {
+      if (
+        path.node.property.type === 'Identifier' &&
+        path.node.property.name === 'log' &&
+        path.node.object.type === 'Identifier' &&
+        path.node.object.name === 'console' &&
+        path.parent.type === 'CallExpression' &&
+        path.key === 'callee'
+      ) {
+        hasConsoleLog = true;
+      }
+    }
+  });
+
+  return hasConsoleLog;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.solved2.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.solved2.ts
new file mode 100644
index 000000000..24fabf671
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.solved2.ts
@@ -0,0 +1,18 @@
+function traverseConsoleLogSolved2(code, { babylon, babelTraverse, types }) {
+  const ast = babylon.parse(code);
+  let hasConsoleLog = false;
+  babelTraverse(ast, {
+    MemberExpression(path) {
+      if (
+        types.isIdentifier(path.node.object, { name: 'console' }) &&
+        types.isIdentifier(path.node.property, { name: 'log' }) &&
+        types.isCallExpression(path.parent) &&
+        path.parentKey === 'callee'
+      ) {
+        hasConsoleLog = true;
+      }
+    }
+  });
+
+  return hasConsoleLog;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.ts
new file mode 100644
index 000000000..049c11d70
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-console-log/traverse-console-log-babel.ts
@@ -0,0 +1,3 @@
+function traverseConsoleLog(code, { babylon, babelTraverse, log }) {
+  const ast = babylon.parse(code);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-babel.solved.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-babel.solved.ts
new file mode 100644
index 000000000..9ef796c9c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-babel.solved.ts
@@ -0,0 +1,6 @@
+// tslint:ignore
+function findDebuggerSolved(code, { babylon, babelTraverse, log }) {
+  return babylon
+    .parse(code)
+    .program.body.some(node => node.type === 'DebuggerStatement');
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-babel.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-babel.ts
new file mode 100644
index 000000000..24cc013fa
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-babel.ts
@@ -0,0 +1,3 @@
+function findDebuggerBabel(code, { babylon, babelTraverse, log }) {
+  // Find debugger!!
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-regex.solved.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-regex.solved.js
new file mode 100644
index 000000000..5f6601cab
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger-regex.solved.js
@@ -0,0 +1,5 @@
+function findDebugger(code) {
+  return code
+    .replace(/\/\/.*|'.*?[^\\]'|".*?"|`[\s\S]*`|\/\*[\s\S]*\*\//)
+    .match(/\bdebugger\b/);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger.js
new file mode 100644
index 000000000..4bb1f9905
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger.js
@@ -0,0 +1 @@
+function findDebugger(code) {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger.test.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger.test.js
new file mode 100644
index 000000000..3a2aa0cb8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/find-debugger.test.js
@@ -0,0 +1,132 @@
+function testThings(findDebugger, callback, args) {
+  const log = args.log;
+  const tests = [
+    {
+      title: `debugger`,
+      shouldPass: true,
+      test(func, args) {
+        return !!func(this.title, args);
+      }
+    },
+    {
+      title: `debuggerStart()`,
+      shouldPass: false,
+      test(func, args) {
+        return !func(this.title, args);
+      }
+    },
+    {
+      title: `//debugger
+console.log('hi');`,
+      shouldPass: false,
+      test(func, args) {
+        return !func(this.title, args);
+      }
+    },
+    {
+      title: `'debugger'`,
+      shouldPass: false,
+      test(func, args) {
+        return !func(this.title, args);
+      }
+    },
+    {
+      title: `'hi'; debugger; 'bye'`,
+      shouldPass: true,
+      test(func, args) {
+        return func(this.title, args);
+      }
+    },
+    {
+      title: `'Fake //'; debugger; `,
+      shouldPass: true,
+      test(func, args) {
+        return func(this.title, args);
+      }
+    },
+    {
+      title: `"debugger"`,
+      shouldPass: false,
+      test(func, args) {
+        return !func(this.title, args);
+      }
+    },
+    {
+      title: `\`
+       debugger\``,
+      shouldPass: false,
+      test(func, args) {
+        return !func(this.title, args);
+      }
+    },
+    {
+      title: `' \\' debugger'`,
+      test(func, args) {
+        return !func(this.title, args);
+      },
+      shouldPass: false
+    },
+    {
+      title: `/* \` 
+       */ debugger; \`
+        \` + ''`,
+      test(func, args) {
+        return func(this.title, args);
+      }
+    },
+    {
+      title: `function hello(){ debugger; }
+      
+      
+      class Rectangle {
+  constructor(height, width) {
+    this.height = height;
+    this.width = width;
+  }
+}
+`,
+      test(func, args) {
+        return func(this.title, args);
+      }
+    }
+  ];
+
+  let results = [];
+  let failed = false;
+  for (let i in tests) {
+    if (tests.hasOwnProperty(i)) {
+      let test = tests[i];
+      if (!failed) {
+        const logs = [];
+        args.log = value => {
+          logs.push(value);
+        };
+        let pass = test.test(findDebugger, args);
+        results.push({
+          shouldPass: test.shouldPass,
+          title: test.title,
+          pass: pass
+        });
+        if (!pass) {
+          failed = true;
+          logs.map(log);
+        }
+      } else {
+        results.push({
+          shouldPass: test.shouldPass,
+          title: test.title,
+          pass: false
+        });
+      }
+    }
+  }
+
+  callback(results);
+}
+
+/**
+
+ return code
+ .replace(/\/\/.*|'.*?[^\\]'|".*"|`[\s\S]+`/)
+ .match(/\bdebugger\b/)
+ */
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/hint.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/hint.js
new file mode 100644
index 000000000..229c8472a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/hint.js
@@ -0,0 +1,16 @@
+debugger;
+
+function hello() {
+  debugger;
+}
+
+// There
+function hello3() {
+  return 'debugger in a string';
+}
+
+// There is no debugger
+function hello2() {}
+
+// there's no debugger
+function hello3() {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.solved.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.solved.ts
new file mode 100644
index 000000000..93a7ae76c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.solved.ts
@@ -0,0 +1,14 @@
+function removeDebuggerSolved(
+  code,
+  { babylon, babelTraverse, babelGenerator, log }
+) {
+  const ast = babylon.parse(code);
+
+  babelTraverse(ast, {
+    DebuggerStatement: node => {
+      node.remove();
+    }
+  });
+
+  return babelGenerator(ast).code;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.test.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.test.js
new file mode 100644
index 000000000..7efd5f044
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.test.js
@@ -0,0 +1,108 @@
+function testThings(findDebugger, callback, args) {
+  const log = args.log;
+  const tests = [
+    {
+      title: `debugger`,
+      test(func, args) {
+        return '' === func(this.title, args);
+      }
+    },
+    {
+      title: `debuggerStart();`,
+      test(func, args) {
+        return this.title === func(this.title, args);
+      }
+    },
+    {
+      title: `//debugger
+console.log('hi');`,
+      test(func, args) {
+        return this.title === func(this.title, args);
+      }
+    },
+    {
+      title: `'debugger';`,
+      test(func, args) {
+        return this.title === func(this.title, args);
+      }
+    },
+    {
+      title: `'hi'; debugger; 'bye';`,
+      test(func, args) {
+        return (
+          `'hi';
+'bye';` === func(this.title, args)
+        );
+      }
+    },
+    {
+      title: `'Fake //'; debugger; `,
+      test(func, args) {
+        return `'Fake //';` === func(this.title, args);
+      }
+    },
+    {
+      title: `"debugger";`,
+      test(func, args) {
+        return this.title === func(this.title, args);
+      }
+    },
+    {
+      title: `\`
+       debugger\`;`,
+      test(func, args) {
+        return this.title === func(this.title, args);
+      }
+    },
+    {
+      title: `' \\' debugger';`,
+      test(func, args) {
+        return this.title === func(this.title, args);
+      }
+    },
+    {
+      title: `/* \` 
+       */ debugger; \`
+        \` + '';`,
+      test(func, args) {
+        return !func(this.title, args).includes('debugger');
+      }
+    },
+    {
+      title: `function hello(){ debugger; }`,
+      test(func, args) {
+        return `function hello() {}` === func(this.title, args);
+      }
+    }
+  ];
+
+  let results = [];
+  let failed = false;
+  for (let i in tests) {
+    if (tests.hasOwnProperty(i)) {
+      let test = tests[i];
+      if (!failed) {
+        const logs = [];
+        args.log = value => {
+          logs.push(value);
+        };
+        let pass = test.test(findDebugger, args);
+        results.push({ title: test.title, pass: pass });
+        if (!pass) {
+          failed = true;
+          logs.map(log);
+        }
+      } else {
+        results.push({ title: test.title, pass: false });
+      }
+    }
+  }
+
+  callback(results);
+}
+/**
+
+ return code
+ .replace(/\/\/.*|'.*?[^\\]'|".*"|`[\s\S]+`/)
+ .match(/\bdebugger\b/)
+ */
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.ts
new file mode 100644
index 000000000..0fc4a1c22
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/remove-debugger.ts
@@ -0,0 +1,12 @@
+function removeDebugger(code, { babylon, babelTraverse, babelGenerator, log }) {
+  const ast = babylon.parse(code);
+
+  let hasDebugger = false;
+  babelTraverse(ast, {
+    DebuggerStatement: node => {
+      hasDebugger = true;
+    }
+  });
+
+  return hasDebugger;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/traverse-debugger-babel.solved.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/traverse-debugger-babel.solved.ts
new file mode 100644
index 000000000..78202c878
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/traverse-debugger-babel.solved.ts
@@ -0,0 +1,11 @@
+function traverseDebuggerSolved(code, { babylon, babelTraverse, log }) {
+  const ast = babylon.parse(code);
+
+  let hasCode = false;
+  babelTraverse(ast, {
+    DebuggerStatement: () => {
+      hasCode = true;
+    }
+  });
+  return hasCode;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/traverse-debugger-babel.ts b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/traverse-debugger-babel.ts
new file mode 100644
index 000000000..4155142f2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-debugger/traverse-debugger-babel.ts
@@ -0,0 +1,3 @@
+function traverseDebugger(code, { babylon, babelTraverse, log }) {
+  const ast = babylon.parse(code);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.js
new file mode 100644
index 000000000..78ec47ec0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.js
@@ -0,0 +1,7 @@
+function findFit(code, { babylon, babelTraverse, babelGenerator, log }) {
+  const ast = babylon.parse(code);
+
+  babelTraverse(ast);
+
+  return babelGenerator(ast).code;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.solved.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.solved.js
new file mode 100644
index 000000000..d05dab356
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.solved.js
@@ -0,0 +1,13 @@
+function findFit(code, { babylon, babelTraverse, babelGenerator, log }) {
+  const ast = babylon.parse(code);
+
+  babelTraverse(ast, {
+    Identifier: ({ node, parentPath }) => {
+      if (node.name === 'fit' && parentPath.isCallExpression()) {
+        node.name = 'it';
+      }
+    }
+  });
+
+  return babelGenerator(ast).code;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.test.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.test.js
new file mode 100644
index 000000000..fba045364
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/find-fit/find-fit.test.js
@@ -0,0 +1,63 @@
+function testThings(findDebugger, callback, args) {
+  const log = args.log;
+  const tests = [
+    {
+      title: `describe('test', ()=>{
+  fit('test', ()=>{
+    expect(true).toBe(true);
+  })      
+})`,
+      test(func, args) {
+        let result = func(this.title, args);
+        return result && result.includes && !result.includes('fit');
+      }
+    },
+    {
+      title: `describe('test', ()=>{
+  fit('fits?', ()=>{    
+    let fit = true;
+    expect(fit).toBe(true);    
+  })      
+})`,
+      test(func, args) {
+        let result = func(this.title, args);
+        return (
+          result &&
+          result.includes &&
+          !result.includes('fit(') &&
+          result.includes('let fit')
+        );
+      }
+    }
+  ];
+
+  let results = [];
+  let failed = false;
+  for (let i in tests) {
+    if (tests.hasOwnProperty(i)) {
+      let test = tests[i];
+      if (!failed) {
+        const logs = [];
+        args.log = value => {
+          logs.push(value);
+        };
+        let pass = test.test(findDebugger, args);
+        results.push({ title: test.title, pass: pass });
+        if (!pass) {
+          failed = true;
+          logs.map(log);
+        }
+      } else {
+        results.push({ title: test.title, pass: false });
+      }
+    }
+  }
+
+  callback(results);
+}
+/**
+
+ return code
+ .replace(/\/\/.*|'.*?[^\\]'|".*"|`[\s\S]+`/)
+ .match(/\bdebugger\b/)
+ */
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/hello-world.json b/codelab-master/apps/kirjs/src/app/modules/ast/samples/hello-world.json
new file mode 100644
index 000000000..65f9ffaae
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/hello-world.json
@@ -0,0 +1,106 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 8,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 1,
+      "column": 8
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 8,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 1,
+        "column": 8
+      }
+    },
+    "sourceType": "script",
+    "body": [
+      {
+        "type": "DebuggerStatement",
+        "start": 0,
+        "end": 8,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 8
+          }
+        }
+      }
+    ],
+    "directives": []
+  },
+  "comments": [],
+  "tokens": [
+    {
+      "type": {
+        "label": "debugger",
+        "keyword": "debugger",
+        "beforeExpr": false,
+        "startsExpr": false,
+        "rightAssociative": false,
+        "isLoop": false,
+        "isAssign": false,
+        "prefix": false,
+        "postfix": false,
+        "binop": null,
+        "updateContext": null
+      },
+      "value": "debugger",
+      "start": 0,
+      "end": 8,
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 0
+        },
+        "end": {
+          "line": 1,
+          "column": 8
+        }
+      }
+    },
+    {
+      "type": {
+        "label": "eof",
+        "beforeExpr": false,
+        "startsExpr": false,
+        "rightAssociative": false,
+        "isLoop": false,
+        "isAssign": false,
+        "prefix": false,
+        "postfix": false,
+        "binop": null,
+        "updateContext": null
+      },
+      "start": 8,
+      "end": 8,
+      "loc": {
+        "start": {
+          "line": 1,
+          "column": 8
+        },
+        "end": {
+          "line": 1,
+          "column": 8
+        }
+      }
+    }
+  ]
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.js
new file mode 100644
index 000000000..462a19ff0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.js
@@ -0,0 +1,17 @@
+function addItByLine(
+  code,
+  line,
+  { babylon, babelTraverse, babelGenerator, log }
+) {
+  const ast = babylon.parse(code);
+
+  babelTraverse(ast, {
+    Identifier: ({ node, parentPath }) => {
+      if (node.name === 'fit' && parentPath.isCallExpression()) {
+        node.name = 'it';
+      }
+    }
+  });
+
+  return babelGenerator(ast).code;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.solved.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.solved.js
new file mode 100644
index 000000000..6b439bce0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.solved.js
@@ -0,0 +1,19 @@
+function addItByLine(
+  code,
+  line,
+  { babylon, babelTraverse, babelGenerator, log }
+) {
+  const ast = babylon.parse(code);
+
+  babelTraverse(ast, {
+    Identifier: ({ node, parentPath }) => {
+      if (node.name === 'it' && parentPath.isCallExpression()) {
+        if (node.loc.start.line === line) {
+          node.name = 'fit';
+        }
+      }
+    }
+  });
+
+  return babelGenerator(ast).code;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.test.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.test.js
new file mode 100644
index 000000000..b33c37dd4
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/it-lines/it-lines.test.js
@@ -0,0 +1,60 @@
+function testThings(findDebugger, callback, args) {
+  const log = args.log;
+  const tests = [
+    {
+      title: `// Line 3
+describe('test', ()=>{
+it('test', ()=>{
+    expect(true).toBe(true);
+  })      
+})`,
+      test(func, args) {
+        let result = func(this.title, 3, args);
+        return result && result.includes && result.includes('fit');
+      }
+    },
+
+    {
+      title: `// Line 22
+describe('test', ()=>{
+  it('test', ()=>{
+    expect(true).toBe(true);
+  })      
+})`,
+      test(func, args) {
+        let result = func(this.title, 1, args);
+        return result && result.includes && !result.includes('fit');
+      }
+    }
+  ];
+
+  let results = [];
+  let failed = false;
+  for (let i in tests) {
+    if (tests.hasOwnProperty(i)) {
+      let test = tests[i];
+      if (!failed) {
+        const logs = [];
+        args.log = value => {
+          logs.push(value);
+        };
+        let pass = test.test(findDebugger, args);
+        results.push({ title: test.title, pass: pass });
+        if (!pass) {
+          failed = true;
+          logs.map(log);
+        }
+      } else {
+        results.push({ title: test.title, pass: false });
+      }
+    }
+  }
+
+  callback(results);
+}
+/**
+
+ return code
+ .replace(/\/\/.*|'.*?[^\\]'|".*"|`[\s\S]+`/)
+ .match(/\bdebugger\b/)
+ */
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/samples/tricky.js b/codelab-master/apps/kirjs/src/app/modules/ast/samples/tricky.js
new file mode 100644
index 000000000..74fead46e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/samples/tricky.js
@@ -0,0 +1,47 @@
+debugger;
+debuggerStart();
+//debugger
+console.log('hi');
+console.log('debugger');
+`'hi'; debugger; 'bye'`;
+let x = 'Fake //';
+('debugger');
+`
+       debugger\`
+       ' \\' debugger'
+       `;
+/* \`
+ */
+debugger;
+`
+    \` + ''`;
+function hello() {
+  debugger;
+}
+
+console.log(
+  1,
+  function hello() {
+    console.log(function hi() {
+      console.log(123);
+    });
+  },
+  3,
+  4,
+  5,
+  6
+);
+
+call(1, 2, 3, 4, 5, 5);
+describe('test', () => {
+  fit('test', () => {
+    expect(true).toBe(true);
+  });
+});
+
+describe('test', () => {
+  fit('fits?', () => {
+    let fit = true;
+    expect(fit).toBe(true);
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.css b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.css
new file mode 100644
index 000000000..7fa2398f1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.css
@@ -0,0 +1,15 @@
+.button:hover {
+  background: #444444;
+  color: white;
+}
+
+.button {
+  border: 1px solid #000;
+  border-radius: 50%;
+  height: 1vw;
+  width: 1vw;
+  cursor: pointer;
+  display: inline-block;
+  text-align: center;
+  line-height: 1vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.html b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.html
new file mode 100644
index 000000000..7062f7f02
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.html
@@ -0,0 +1,2 @@
+<span class="button" (click)="sizeChange.emit(-step)">-</span> {{ size }}
+<span class="button" (click)="sizeChange.emit(+step)">+</span>
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.spec.ts
new file mode 100644
index 000000000..ddcd865bd
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SizePickerComponent } from './size-picker.component';
+
+describe('SizePickerComponent', () => {
+  let component: SizePickerComponent;
+  let fixture: ComponentFixture<SizePickerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SizePickerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SizePickerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.ts b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.ts
new file mode 100644
index 000000000..98dc3d672
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.component.ts
@@ -0,0 +1,12 @@
+import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-size-picker',
+  templateUrl: './size-picker.component.html',
+  styleUrls: ['./size-picker.component.css']
+})
+export class SizePickerComponent {
+  @Input() size = 28;
+  @Input() step = 2;
+  @Output() sizeChange = new EventEmitter();
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.module.ts b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.module.ts
new file mode 100644
index 000000000..837e9bf6d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/size-picker/size-picker.module.ts
@@ -0,0 +1,8 @@
+import { NgModule } from '@angular/core';
+import { SizePickerComponent } from './size-picker.component';
+
+@NgModule({
+  declarations: [SizePickerComponent],
+  exports: [SizePickerComponent]
+})
+export class SizePickerModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.css b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.css
new file mode 100644
index 000000000..e93fc9dab
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.css
@@ -0,0 +1,108 @@
+:host {
+  height: 100%;
+  display: flex;
+}
+
+.runner {
+  display: none;
+}
+
+.test {
+  margin-bottom: 5px;
+  background: #ff9a86;
+  padding: 5px 10px;
+  font-size: 3vw;
+}
+
+.test.pass {
+  background: #b2ff37;
+}
+
+.mini {
+  font-size: 30%;
+  display: block;
+}
+
+pre {
+  margin: 0;
+}
+
+.test.future.future {
+  background: #e8e8e8;
+  color: #ddd;
+}
+
+.wrapper {
+  display: flex;
+  height: 100%;
+}
+
+.test-point:hover {
+  border: 3px black solid;
+}
+
+.test-point {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  display: inline-block;
+  margin-left: 5px;
+  background: #999999;
+}
+
+.test-point.pass {
+  background: #b2ff37;
+  border: 1px solid #444444;
+}
+
+.test-point.current {
+  background: #ff9a86;
+  border: 1px solid #444444;
+}
+
+code.failing {
+  color: #ff4e3d;
+}
+
+code {
+  font-size: 3vw;
+  margin-top: 4px;
+  display: block;
+  margin-bottom: 24px;
+}
+
+mat-card {
+  width: 100%;
+  height: 100%;
+}
+
+.label {
+  color: #444;
+  font-size: 1.5vw;
+}
+
+.summary .label {
+  margin-bottom: 12px;
+}
+
+.summary {
+  padding-bottom: 24px;
+}
+
+.results {
+  padding-top: 24px;
+}
+
+.ast-full {
+  background: #ffffff;
+  position: fixed;
+  left: 0;
+  top: 0;
+  width: 100vw;
+  height: 100vh;
+  padding: 20px;
+}
+
+kirjs-size-picker {
+  margin-left: 20px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.html b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.html
new file mode 100644
index 000000000..fc14e462e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.html
@@ -0,0 +1,63 @@
+<div *ngIf="logs.length">
+  <div *ngFor="let log of logs">
+    <pre>{{ log | json }}</pre>
+    <hr />
+  </div>
+</div>
+
+<mat-card>
+  <div class="summary">
+    <div class="label">Running {{ tests.length }} tests.</div>
+    <div>
+      <div
+        *ngFor="let test of tests; let i = index"
+        [class.pass]="test.pass"
+        [class.test-point]="true"
+        [class.compeleted]="i < firstFailingIndex()"
+        [class.current]="test === firstFailing"
+        [class.future]="i > firstFailingIndex()"
+        (mouseenter)="displayedTest = test"
+        (mouseout)="displayedTest = null"
+      ></div>
+    </div>
+  </div>
+  <hr />
+  <div class="results" *ngIf="displayedTest || firstFailing as test">
+    <ng-container *ngIf="test.error">
+      <div class="label">For the code:</div>
+      <code class="failing">{{ test.error }}</code>
+    </ng-container>
+    <ng-container *ngIf="!test.error">
+      <div class="label">For the code:</div>
+      <pre><code>{{test.code.trim()}}</code></pre>
+      <div class="label">Expected:</div>
+      <code> {{ test.expected | json }} </code>
+      <div class="label">Actual:</div>
+      <code class="failing"> {{ test.result | json }} </code>
+    </ng-container>
+    <ng-container *ngIf="showAst">
+      <div class="label">AST:</div>
+      <div class="ast" (click)="showFull = true">
+        <kirjs-ast-preview-runner
+          [code]="test.code.trim()"
+        ></kirjs-ast-preview-runner>
+      </div>
+
+      <div class="ast-full" *ngIf="showFull">
+        <span style="float: right" (click)="showFull = false">╳</span>
+        <pre><code>{{test.code.trim()}}</code></pre>
+        <kirjs-size-picker
+          (sizeChange)="scale = scale + $event"
+          [step]="1"
+          [size]="scale"
+        ></kirjs-size-picker>
+        <kirjs-ast-preview-runner
+          [style.zoom]="scale / 10"
+          [code]="test.code.trim()"
+        ></kirjs-ast-preview-runner>
+      </div>
+    </ng-container>
+  </div>
+
+  <div *ngIf="!firstFailing"><ng-content></ng-content></div>
+</mat-card>
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.ts b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.ts
new file mode 100644
index 000000000..20ebbcbdb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/babel-test-runner/babel-test-runner.component.ts
@@ -0,0 +1,65 @@
+import { Component, Input } from '@angular/core';
+
+import * as babylon from 'babylon';
+import * as types from 'babel-types';
+import babelTraverse from '@babel/traverse';
+import babelGenerator from '@babel/generator';
+import { TestInfo } from '../../../../../../../codelab/src/app/shared/interfaces/test-info';
+
+declare const require;
+
+@Component({
+  selector: 'kirjs-babel-test-runner',
+  templateUrl: './babel-test-runner.component.html',
+  styleUrls: ['./babel-test-runner.component.css']
+})
+export class BabelTestRunnerComponent {
+  tests: Array<TestInfo> = [];
+  logs = [];
+  @Input() files: any[];
+  @Input() showAst = false;
+  scale = 10;
+  showFull = false;
+  firstFailing: TestInfo;
+  displayedTest: TestInfo;
+
+  run(files: Array<any>) {
+    this.logs = [];
+    const args = {
+      babylon,
+      babelTraverse,
+      babelGenerator,
+      types,
+      log: value => {
+        this.logs.push(value);
+      }
+    };
+    const callback = result => {
+      if (result) {
+        this.tests = result;
+        this.firstFailing = this.tests.find(test => !test.pass);
+      }
+    };
+
+    try {
+      // tslint:disable
+      const func = eval('(' + files[0].code + ')');
+      eval('(' + files[1].code + ')')(func, callback, args);
+    } catch (e) {
+      console.log(e);
+    }
+  }
+
+  firstFailingIndex() {
+    const firstFailing = this.tests.findIndex(i => !i.pass);
+    return firstFailing === -1 ? this.tests.length : firstFailing;
+  }
+
+  runTests() {
+    this.run(this.files);
+  }
+
+  ngOnInit() {
+    this.runTests();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.css b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.css
new file mode 100644
index 000000000..d95409b52
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.css
@@ -0,0 +1,7 @@
+.show-solution .icon {
+  visibility: hidden;
+}
+
+.show-solution:hover .icon {
+  visibility: visible;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.html b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.html
new file mode 100644
index 000000000..c32d4850f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.html
@@ -0,0 +1,24 @@
+<div style="display: flex;">
+  <code-demo-editor
+    [(ngModel)]="files[0].code"
+    (ngModelChange)="runner.runTests()"
+    [lineNumbers]="false"
+    [fontSize]="fontSize"
+    language="javascript"
+    style="height: 100vh;width: 55vw;"
+  ></code-demo-editor>
+  <div
+    (click)="files[0].code = files[0].solution; runner.runTests()"
+    class="show-solution"
+  >
+    <div class="icon">🙀</div>
+  </div>
+  <kirjs-babel-test-runner
+    #runner
+    class="tests"
+    [showAst]="showAst"
+    [files]="files"
+  >
+    <ng-content></ng-content>
+  </kirjs-babel-test-runner>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.spec.ts
new file mode 100644
index 000000000..351a64f31
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TestSetComponent } from './test-set.component';
+
+describe('TestSetComponent', () => {
+  let component: TestSetComponent;
+  let fixture: ComponentFixture<TestSetComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [TestSetComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TestSetComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.ts b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.ts
new file mode 100644
index 000000000..925521f0f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/ast/test-set/test-set.component.ts
@@ -0,0 +1,12 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-test-set',
+  templateUrl: './test-set.component.html',
+  styleUrls: ['./test-set.component.css']
+})
+export class TestSetComponent {
+  @Input() files = [];
+  @Input() fontSize = 30;
+  @Input() showAst = false;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.css
new file mode 100644
index 000000000..e677e7f37
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.css
@@ -0,0 +1,4 @@
+.flags {
+  font-size: 2vw;
+  white-space: pre-wrap;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.html
new file mode 100644
index 000000000..e2969f501
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.html
@@ -0,0 +1,16 @@
+<div class="flags" style="display: flex;">
+  <div>
+    <div *ngFor="let flag of flags; let i = index">
+      <input
+        type="checkbox"
+        [checked]="flag.checked"
+        #c
+        (click)="handleClick(c.checked, flag.value)"
+      />
+      {{ flag.name }} = {{ flag.value }}
+    </div>
+  </div>
+  <div>
+    <h2>{{ number }}</h2>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.spec.ts
new file mode 100644
index 000000000..734e2aa64
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AngularFlagsComponent } from './angular-flags.component';
+
+describe('AngularFlagsComponent', () => {
+  let component: AngularFlagsComponent;
+  let fixture: ComponentFixture<AngularFlagsComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [AngularFlagsComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AngularFlagsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.ts
new file mode 100644
index 000000000..0d5b564c3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/angular-flags/angular-flags.component.ts
@@ -0,0 +1,67 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-angular-flags',
+  templateUrl: './angular-flags.component.html',
+  styleUrls: ['./angular-flags.component.css']
+})
+export class AngularFlagsComponent implements OnInit {
+  number = 124;
+  flags = [
+    { checked: false, name: 'None', value: 0 },
+    { checked: false, name: 'TypeElement', value: 1 },
+    { checked: false, name: 'TypeText', value: 2 },
+    { checked: false, name: 'ProjectedTemplate', value: 4 },
+    { checked: false, name: 'CatRenderNode', value: 3 },
+    { checked: false, name: 'TypeNgContent', value: 8 },
+    { checked: false, name: 'TypePipe', value: 16 },
+    { checked: false, name: 'TypePureArray', value: 32 },
+    { checked: false, name: 'TypePureObject', value: 64 },
+    { checked: false, name: 'TypePurePipe', value: 128 },
+    { checked: false, name: 'CatPureExpression', value: 224 },
+    { checked: false, name: 'TypeValueProvider', value: 256 },
+    { checked: false, name: 'TypeClassProvider', value: 512 },
+    { checked: false, name: 'TypeFactoryProvider', value: 1024 },
+    { checked: false, name: 'TypeUseExistingProvider', value: 2048 },
+    { checked: false, name: 'LazyProvider', value: 4096 },
+    { checked: false, name: 'PrivateProvider', value: 8192 },
+    { checked: false, name: 'TypeDirective', value: 16384 },
+    { checked: false, name: 'Component', value: 32768 },
+    { checked: false, name: 'CatProviderNoDirective', value: 3840 },
+    { checked: false, name: 'CatProvider', value: 20224 },
+    { checked: false, name: 'OnInit', value: 65536 },
+    { checked: false, name: 'OnDestroy', value: 131072 },
+    { checked: false, name: 'DoCheck', value: 262144 },
+    { checked: false, name: 'OnChanges', value: 524288 },
+    { checked: false, name: 'AfterContentInit', value: 1048576 },
+    { checked: false, name: 'AfterContentChecked', value: 2097152 },
+    { checked: false, name: 'AfterViewInit', value: 4194304 },
+    { checked: false, name: 'AfterViewChecked', value: 8388608 },
+    { checked: false, name: 'EmbeddedViews', value: 16777216 },
+    { checked: false, name: 'ComponentView', value: 33554432 },
+    { checked: false, name: 'TypeContentQuery', value: 67108864 },
+    { checked: false, name: 'TypeViewQuery', value: 134217728 },
+    { checked: false, name: 'StaticQuery', value: 268435456 },
+    { checked: false, name: 'DynamicQuery', value: 536870912 },
+    { checked: false, name: 'TypeModuleProvider', value: 1073741824 },
+    { checked: false, name: 'CatQuery', value: 201326592 },
+    { checked: false, name: 'Types', value: 201347067 }
+  ];
+
+  checked: string[];
+
+  constructor() {
+    this.syncCheckBoxes();
+  }
+
+  syncCheckBoxes() {
+    this.flags.forEach(f => (f.checked = !!(this.number & f.value)));
+  }
+
+  ngOnInit() {}
+
+  handleClick(checked: boolean, value: number) {
+    this.number = this.number | value;
+    this.syncCheckBoxes();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.css
new file mode 100644
index 000000000..64b4f3740
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.css
@@ -0,0 +1,29 @@
+.parent {
+  display: grid;
+  grid-template-columns: repeat(12, 1fr);
+}
+
+.item {
+  background: #fff;
+  border-right: 1px #444 dotted;
+  border-bottom: 1px #444 dotted;
+  padding: 0.5vw;
+  display: flex;
+  justify-content: space-between;
+}
+
+.key {
+  vertical-align: top;
+  font-size: 2vw;
+  color: #666;
+}
+
+.value {
+  font-size: 3.5vw;
+}
+
+select {
+  border: 1px #444 solid;
+  background: #ffffff;
+  font-size: 3vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.html
new file mode 100644
index 000000000..d750df2aa
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.html
@@ -0,0 +1,15 @@
+<h2>
+  Display character table for:
+  <select [(ngModel)]="encoding">
+    <option *ngFor="let e of encodings" [ngValue]="e">{{ e.key }}</option>
+  </select>
+</h2>
+
+<div class="parent">
+  <ng-container class="item" *ngFor="let item of encoding.value">
+    <div class="item">
+      <span class="key">{{ item.key }}</span>
+      <span class="value">{{ item.value }}</span>
+    </div>
+  </ng-container>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.spec.ts
new file mode 100644
index 000000000..183cb2bbb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AsciiComponent } from './ascii.component';
+
+describe('AsciiComponent', () => {
+  let component: AsciiComponent;
+  let fixture: ComponentFixture<AsciiComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [AsciiComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AsciiComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.ts
new file mode 100644
index 000000000..6071cc4e6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/ascii/ascii.component.ts
@@ -0,0 +1,63 @@
+import {
+  Component,
+  Input,
+  OnChanges,
+  OnInit,
+  SimpleChanges
+} from '@angular/core';
+
+function encode(from: number, to: number, encoding: string) {
+  return new TextDecoder(encoding)
+    .decode(new Uint8Array(to - from).map((a, i) => i + from).buffer as any)
+    .split('')
+    .map((value, i) => ({
+      key: i + from,
+      value
+    }));
+}
+
+const layouts = {};
+
+@Component({
+  selector: 'kirjs-ascii',
+  templateUrl: './ascii.component.html',
+  styleUrls: ['./ascii.component.css']
+})
+export class AsciiComponent implements OnChanges {
+  @Input() param: string;
+
+  encodings = [
+    {
+      key: 'ascii',
+      value: encode(33, 128, 'ascii')
+    },
+    {
+      key: 'ascii - Page 2',
+      value: encode(128, 255, 'ascii')
+    },
+    {
+      key: 'windows-1251',
+      value: encode(128, 255, 'windows-1251')
+    },
+    {
+      key: 'KOI8-R',
+      value: encode(128, 255, 'KOI8-R')
+    },
+    {
+      key: 'utf-8',
+      value: encode(1000, 1255, 'utf-16')
+    }
+  ];
+
+  encoding = this.encodings[0];
+
+  constructor() {
+    // d = new TextDecoder('windows-125').decode(new Uint8Array(255).map((a,i)=>i).buffer)
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if ('param' in changes) {
+      this.encoding = this.encodings.find(a => a.key === this.param);
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.css
new file mode 100644
index 000000000..d62357f3f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.css
@@ -0,0 +1,52 @@
+.wrapper {
+  word-break: break-all;
+  padding: 40px;
+}
+
+.binary {
+  letter-spacing: 2vw;
+}
+
+.item,
+.detail-item {
+  font-size: 3vw;
+}
+
+.item-1 {
+  background: #eee;
+}
+
+.detail-item {
+  padding: 20px;
+}
+
+.detail {
+  width: 60%;
+  word-break: break-all;
+}
+
+.field-header {
+  font-size: 2vw;
+}
+
+.raw-value {
+  width: 40%;
+  font-size: 2vw;
+  word-break: break-all;
+  padding-right: 1vw;
+  margin-right: 1vw;
+  border-right: 1px #444 solid;
+}
+
+button {
+  display: block;
+  width: 100%;
+  background: #e51400;
+  color: #fff;
+  padding: 1vw;
+  font-size: 4vw;
+}
+
+h3 {
+  font-size: 2vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.html
new file mode 100644
index 000000000..a2b2b3530
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.html
@@ -0,0 +1,34 @@
+<div class="wrapper">
+  <ng-container *ngFor="let item of structure; let i = index">
+    <span *ngIf="detailIndex <= i" class="item item-{{ i % 2 }} binary">{{
+      item.rawValue
+    }}</span>
+    <div
+      [style.margin-left.vw]="item.nesting * 1"
+      *ngIf="detailIndex > i"
+      class="detail-item item-{{ i % 2 }}"
+      style="display: flex"
+    >
+      <div
+        class="raw-value"
+        contenteditable="true"
+        (keydown.enter)="update($event, item)"
+      >
+        {{ item.rawValue }}
+      </div>
+      <div class="detail">
+        <div class="field-header">
+          <div style="float: right">{{ item.type }}</div>
+          <div>{{ item.name }}</div>
+        </div>
+        <h3>{{ item.value }}</h3>
+      </div>
+    </div>
+    <button
+      (click)="detailIndex = detailIndex + 1"
+      *ngIf="detailIndex - 1 === i"
+    >
+      Next
+    </button>
+  </ng-container>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.spec.ts
new file mode 100644
index 000000000..ae4a24d1a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BinaryFlatComponent } from './binary-flat.component';
+
+describe('BinaryFlatComponent', () => {
+  let component: BinaryFlatComponent;
+  let fixture: ComponentFixture<BinaryFlatComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BinaryFlatComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BinaryFlatComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.ts
new file mode 100644
index 000000000..08683e974
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-flat/binary-flat.component.ts
@@ -0,0 +1,74 @@
+import {
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnInit,
+  Output,
+  SimpleChanges
+} from '@angular/core';
+import { BinaryParser } from '../parser/binary-parser';
+import { StringBinaryReader } from '../parser/readers/string-reader';
+import { BinaryParentComponent } from '../binary-view/binary-parent/binary-parent.component';
+
+export function flatten(
+  structure: any[],
+  nesting = 0,
+  parent = null,
+  path = []
+) {
+  return structure.reduce((result, item) => {
+    if (item.type === 'object' || item.type === 'array') {
+      item.data = false;
+      item.nesting = nesting;
+      item.className = 'tbd';
+      result = result
+        .concat(item)
+        .concat(
+          flatten(
+            item.value,
+            nesting + 1,
+            item,
+            item.name ? [...path, item.name] : [...path]
+          )
+        );
+    } else {
+      item.data = true;
+      item.nesting = nesting;
+      item.parent = parent || item;
+      item.root = item.parent.root || item.parent;
+      item.path = path;
+      item.className = path.map(p => 'parent-' + p).join(' ');
+      result.push(item);
+    }
+    return result;
+  }, []);
+}
+
+@Component({
+  selector: 'kirjs-binary-flat',
+  templateUrl: './binary-flat.component.html',
+  styleUrls: ['./binary-flat.component.css']
+})
+export class BinaryFlatComponent implements OnChanges {
+  @Input() parser: BinaryParser;
+  @Input() binary: string;
+  @Output() updateBinary = new EventEmitter();
+
+  detailIndex = 30;
+  structure: { start: number };
+
+  constructor(private readonly root: BinaryParentComponent) {}
+
+  update(event, item) {
+    this.root.update(item, event.target.textContent);
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if ('binary' in changes) {
+      this.structure = flatten(
+        this.parser.readOrdered(new StringBinaryReader(this.binary)).value
+      );
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.css
new file mode 100644
index 000000000..43c1e1ee8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.css
@@ -0,0 +1,3 @@
+img {
+  image-rendering: pixelated !important;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.html
new file mode 100644
index 000000000..92cca6b6e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.html
@@ -0,0 +1 @@
+<img [src]="gif" style="width:100%" />
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.spec.ts
new file mode 100644
index 000000000..c76676306
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BinaryGifComponent } from './binary-gif.component';
+
+describe('BinaryGifComponent', () => {
+  let component: BinaryGifComponent;
+  let fixture: ComponentFixture<BinaryGifComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BinaryGifComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BinaryGifComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.ts
new file mode 100644
index 000000000..f5b069f02
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-gif/binary-gif.component.ts
@@ -0,0 +1,22 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-binary-gif',
+  templateUrl: './binary-gif.component.html',
+  styleUrls: ['./binary-gif.component.css']
+})
+export class BinaryGifComponent {
+  gif: string;
+
+  @Input()
+  set binary(binary: string) {
+    const binaries = binary.match(/.{8}/g);
+    const recombined = new Uint8Array(binaries.map(a => parseInt(a, 2)));
+    const b64encoded = btoa(
+      Array.from(recombined)
+        .map(a => String.fromCharCode(a))
+        .join('')
+    );
+    this.gif = 'data:image/gif;base64,' + b64encoded;
+  }
+}
diff --git a/libs/utils/src/lib/sync/components/sync-code-game/sync-code-game-viewer/sync-code-game-viewer.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/sync-code-game/sync-code-game-viewer/sync-code-game-viewer.component.css
rename to codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.css
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.html
new file mode 100644
index 000000000..35a42b4c3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.html
@@ -0,0 +1 @@
+<div *ngFor="let bin of binaries">{{ bin }}</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.spec.ts
new file mode 100644
index 000000000..f72403664
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BinaryDisplayComponent } from './binary-display.component';
+
+describe('BinaryDisplayComponent', () => {
+  let component: BinaryDisplayComponent;
+  let fixture: ComponentFixture<BinaryDisplayComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BinaryDisplayComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BinaryDisplayComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.ts
new file mode 100644
index 000000000..6751c487a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-display/binary-display.component.ts
@@ -0,0 +1,14 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-binary-display',
+  templateUrl: './binary-display.component.html',
+  styleUrls: ['./binary-display.component.css']
+})
+export class BinaryDisplayComponent {
+  binaries = [];
+
+  @Input() set binary(binary: string) {
+    this.binaries = binary.match(/.{8}/g);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.css
new file mode 100644
index 000000000..2d546be1c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.css
@@ -0,0 +1,18 @@
+.wrapper {
+  display: grid;
+  grid-template-columns: 200px 100px 100%;
+  font-size: 20px;
+}
+
+.bin-block {
+  word-break: break-all;
+}
+
+[name='section-type'] {
+  font-size: 30px;
+  font-weight: 300;
+}
+
+.cell {
+  padding: 10px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.html
new file mode 100644
index 000000000..e6ae2574e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.html
@@ -0,0 +1,33 @@
+<div class="wrapper">
+  <ng-container *ngFor="let item of structure; let i = index">
+    <ng-container *ngIf="item.data">
+      <div
+        class="{{ item.type }} {{ item.className }} bin-block cell"
+        [attr.name]="item.name"
+        contenteditable="true"
+      >
+        <kirjs-binary-display [binary]="item.rawValue"></kirjs-binary-display>
+      </div>
+
+      <div
+        class="{{ item.type }} {{ item.className }} value cell"
+        style="display: inline;"
+        [attr.name]="item.name"
+        contenteditable="true"
+      >
+        {{ item.displayValue || item.value }}
+      </div>
+      <div class="cell" [attr.name]="item.name">
+        <div class="meta">
+          <div>
+            {{ item.name }}
+          </div>
+          <div *ngIf="item.description">
+            <span class="label">description:</span
+            ><span>{{ item.description }}</span>
+          </div>
+        </div>
+      </div>
+    </ng-container>
+  </ng-container>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.spec.ts
new file mode 100644
index 000000000..223e5f760
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BinaryInlineComponent } from './binary-inline.component';
+
+describe('BinaryInlineComponent', () => {
+  let component: BinaryInlineComponent;
+  let fixture: ComponentFixture<BinaryInlineComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BinaryInlineComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BinaryInlineComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.ts
new file mode 100644
index 000000000..677a861c2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.component.ts
@@ -0,0 +1,29 @@
+import { Component, Input, OnChanges, SimpleChanges } from '@angular/core';
+import { flatten } from '../binary-flat/binary-flat.component';
+import { StringBinaryReader } from '../parser/readers/string-reader';
+import { BinaryParser } from '../parser/binary-parser';
+
+@Component({
+  selector: 'kirjs-binary-inline',
+  templateUrl: './binary-inline.component.html',
+  styleUrls: ['./binary-inline.component.css']
+})
+export class BinaryInlineComponent implements OnChanges {
+  @Input() filterClassName = /./;
+  @Input() parser: BinaryParser;
+  @Input() binary: string;
+
+  structure: any[];
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if ('binary' in changes) {
+      try {
+        this.structure = flatten(
+          this.parser.readOrdered(new StringBinaryReader(this.binary)).value
+        ).filter(a => a.className.match(this.filterClassName));
+      } catch (e) {
+        console.log(e);
+      }
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.module.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.module.ts
new file mode 100644
index 000000000..2a25b56da
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-inline/binary-inline.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { BinaryInlineComponent } from './binary-inline.component';
+import { BinaryDisplayComponent } from './binary-display/binary-display.component';
+
+@NgModule({
+  declarations: [BinaryInlineComponent, BinaryDisplayComponent],
+  exports: [BinaryInlineComponent],
+  imports: [CommonModule]
+})
+export class BinaryInlineModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.css
new file mode 100644
index 000000000..e5aad3dd0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.css
@@ -0,0 +1,13 @@
+.error::before {
+  color: #e51400;
+  content: '🙀';
+}
+
+.error {
+  color: #e51400;
+  border: 1px #e51400 solid;
+  border-radius: 12px;
+  font-size: 3vw;
+  padding: 2vw;
+  display: block;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.html
new file mode 100644
index 000000000..e0bba82fb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.html
@@ -0,0 +1,47 @@
+<div style="display: flex;">
+  <div>
+    <div style="display: flex;padding: 0 1vw">
+      <div
+        style="padding: 1vw;"
+        *ngFor="let helper of helpers; let i = index"
+        class="helper"
+        (click)="code = helper"
+      >
+        {{ i }}
+      </div>
+    </div>
+    <code-demo-editor
+      [fontSize]="40"
+      [lineNumbers]="false"
+      [(ngModel)]="code"
+      style="width:50vw; height: 100vh;flex: none"
+      language="javascript"
+      (ngModelChange)="generateCode()"
+    ></code-demo-editor>
+  </div>
+  <div>
+    <kirjs-fake-gif
+      (binaryUpdate)="binary = $event; generateCode()"
+      [mini]="true"
+      [showPopups]="true"
+      [preview]="false"
+      [binary]="binary"
+      [filterClassName]="filterClassName"
+      [highlightedMap]="{
+        boolean: true,
+        number: true,
+        hex: true,
+        string: true
+      }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+    <code class="output error" *ngIf="error">{{ error }}</code>
+    <code-demo-editor
+      [fontSize]="40"
+      language="json"
+      [lineNumbers]="false"
+      [(ngModel)]="result"
+      style="width:50vw; height: 100vh;flex: none"
+    ></code-demo-editor>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.spec.ts
new file mode 100644
index 000000000..7b81e1888
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BinaryParserDemoComponent } from './binary-parser-demo.component';
+
+describe('BinaryParserDemoComponent', () => {
+  let component: BinaryParserDemoComponent;
+  let fixture: ComponentFixture<BinaryParserDemoComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BinaryParserDemoComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BinaryParserDemoComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.ts
new file mode 100644
index 000000000..76b3b3204
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-parser-demo/binary-parser-demo.component.ts
@@ -0,0 +1,47 @@
+import { Component, EventEmitter, Input, OnInit } from '@angular/core';
+import { Parser } from 'binary-parser';
+import { Buffer } from 'buffer';
+import { bin2hex } from '../shared';
+
+(window as any).Buffer = Buffer;
+
+@Component({
+  selector: 'kirjs-binary-parser-demo',
+  templateUrl: './binary-parser-demo.component.html',
+  styleUrls: ['./binary-parser-demo.component.css']
+})
+export class BinaryParserDemoComponent implements OnInit {
+  @Input() helpers;
+  code = '';
+
+  @Input() filterClassName = /./;
+  result = '';
+  @Input() binary = '';
+  error = '';
+  onCodeChange = new EventEmitter();
+
+  constructor() {}
+
+  ngOnInit() {
+    this.code = this.helpers[0];
+    this.generateCode();
+  }
+
+  generateCode() {
+    this.onCodeChange.emit(this.code);
+    this.error = '';
+    try {
+      const parser = new Function(
+        'Parser',
+        'const parser = ' + this.code + '; return parser;'
+      )(Parser);
+      this.result = JSON.stringify(
+        parser.parse(Buffer.from(bin2hex(this.binary), 'hex')),
+        null,
+        '  '
+      );
+    } catch (e) {
+      this.error = e.message;
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.css
new file mode 100644
index 000000000..fb81b4b57
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.css
@@ -0,0 +1,137 @@
+.wrapper {
+  display: flex;
+  flex-direction: column;
+}
+
+button {
+  font-size: inherit;
+}
+
+.legend {
+  width: 200px;
+  font-size: 2vw;
+  padding: 3vw 0;
+  display: flex;
+}
+
+.legend .item {
+  margin-right: 10px;
+  background: #dddddd;
+  border-radius: 4px;
+  padding: 0.5vw 1vw;
+}
+
+.enums .enums {
+  background: #ff3302;
+  color: black;
+}
+
+.string .string {
+  background: #ffaf00;
+  color: black;
+}
+
+.const .const {
+  background: #aaaaaa;
+  color: black;
+}
+
+.number .number {
+  background: #00ff51;
+  color: black;
+}
+
+.hex .color,
+.hex .hex {
+  background: #00a4ff;
+  color: black;
+}
+
+.boolean .boolean {
+  background: #f600ff;
+  color: black;
+}
+
+.binary {
+  white-space: normal;
+  font-size: 3vw;
+  word-break: break-all;
+  padding-right: 3vw;
+}
+
+.spacing .binary {
+  display: flex;
+  flex-wrap: wrap;
+}
+
+.spacing .bin-block {
+  margin-right: 4vw;
+  white-space: nowrap;
+}
+
+.groups .parent-palette {
+  background: #00ff51;
+}
+
+.groups .parent-header {
+  background: #ffaf00;
+}
+
+.groups .parent-extensions {
+  background: #00a4ff;
+}
+
+.spacing {
+  line-height: 50px;
+}
+
+.mini .legend {
+  font-size: 1.2vw;
+  padding: 0;
+}
+
+.mini .legend .item {
+  padding: 0.2vw;
+  height: 2vw;
+}
+
+.mini input[type='checkbox'] {
+  zoom: 2 !important;
+}
+
+.mini .spacing {
+  line-height: 2vw;
+}
+
+.item-header:first-child {
+  margin-top: 0;
+}
+
+.item-header {
+  width: 100%;
+  font-size: 5vw;
+  display: block;
+  margin-bottom: 2vw;
+  margin-top: 4vw;
+}
+
+.selected {
+  width: 100%;
+  border: 1px #ddd solid;
+  padding: 1vw;
+}
+
+.label {
+  display: inline-block;
+  width: 24vw;
+  flex-shrink: 0;
+}
+
+.meta {
+  margin-top: 2vw;
+  margin-bottom: 1vw;
+}
+
+.selected .bin-block {
+  font-size: 4vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.html
new file mode 100644
index 000000000..a4d77bf68
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.html
@@ -0,0 +1,85 @@
+<div
+  class="wrapper"
+  [class.groups]="highlightGroups"
+  [class.mini]="mini"
+  [class.spacing]="spacing"
+>
+  <div [class]="highlighted">
+    <div class="legend">
+      <button
+        class="item {{ type }}"
+        (click)="highlightedMap[type] = !highlightedMap[type]"
+        *ngFor="let type of types"
+      >
+        {{ type }}
+      </button>
+      <label style="display: flex;margin-left: 3vw;">
+        <span class="spacing">Spacing</span>
+        <input style="zoom:3" type="checkbox" [(ngModel)]="spacing" />
+      </label>
+    </div>
+
+    <div class="binary">
+      <ng-container *ngFor="let item of structure; let i = index">
+        <div
+          *ngIf="!item.data && item.nesting === 1 && spacing"
+          class="item-header"
+        >
+          {{ item.name }}
+        </div>
+        <span
+          *ngIf="item.data"
+          class="{{ item.type }} {{ item.className }} bin-block"
+          style="display: inline;"
+          (click)="show[i] = !show[i]"
+          [attr.name]="item.name"
+          (keydown.enter)="update(item, $event.target.innerText)"
+          contenteditable="true"
+          >{{ item.rawValue }}
+          <!--          TODO(kirjs): This is hack, remove-->
+          <span *ngIf="item.name === 'section-type'">
+            - {{ hackHack[item.value] }}</span
+          >
+        </span>
+
+        <div
+          [class.selected]="show[i]"
+          *ngIf="item.data && show[i]"
+          style="display: inline;word-break: break-all"
+        >
+          <div style="display: flex;justify-content: space-between;">
+            <div
+              class="{{ item.type }} {{ item.className }} bin-block"
+              (click)="show[i] = true"
+              [attr.name]="item.name"
+              (keydown.enter)="update(item, $event.target.innerText)"
+              contenteditable="true"
+            >
+              {{ item.rawValue }}
+            </div>
+            <button
+              style="border: 0 solid;
+              line-height: 2vw;cursor: pointer;"
+              (click)="show[i] = false"
+              *ngIf="show[i]"
+            >
+              &times;
+            </button>
+          </div>
+          <div *ngIf="show[i]" class="meta">
+            <div>
+              <span class="label">value:</span><span>{{ item.value }}</span>
+            </div>
+            <div>
+              <span class="label">name:</span><span>{{ item.name }}</span>
+            </div>
+            <div style="display: flex;">
+              <span class="label">description:</span
+              ><span>{{ item.description }}</span>
+            </div>
+          </div>
+        </div>
+      </ng-container>
+    </div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.spec.ts
new file mode 100644
index 000000000..4d6adf4bd
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BinaryPlainComponent } from './binary-plain.component';
+
+describe('BinaryPlainComponent', () => {
+  let component: BinaryPlainComponent;
+  let fixture: ComponentFixture<BinaryPlainComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BinaryPlainComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BinaryPlainComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.ts
new file mode 100644
index 000000000..2c5ae0f6a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-plain/binary-plain.component.ts
@@ -0,0 +1,66 @@
+import {
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  Output
+} from '@angular/core';
+import { BinaryParser } from '../parser/binary-parser';
+import { StringBinaryReader } from '../parser/readers/string-reader';
+import { flatten } from '../binary-flat/binary-flat.component';
+
+@Component({
+  selector: 'kirjs-binary-plain',
+  templateUrl: './binary-plain.component.html',
+  styleUrls: ['./binary-plain.component.css']
+})
+export class BinaryPlainComponent implements OnChanges {
+  @Output() updateChunk = new EventEmitter();
+  @Input() parser: BinaryParser;
+  @Input() highlightGroups = false;
+  @Input() filterClassName = /./;
+  @Input() mini = false;
+  @Input() showPopups = false;
+  hackHack = {
+    0x01: 'Types',
+    0x02: 'Import',
+    0x03: 'Function',
+    0x05: 'Table',
+    0x07: 'Export',
+    0x08: 'Start',
+    0x0a: 'Code'
+  };
+  show = [];
+  types = ['boolean', 'number', 'hex', 'string', 'const', 'enums'];
+  @Input()
+  spacing = false;
+  @Input()
+  highlightedMap = this.types.reduce((r, v) => {
+    r[v] = false;
+    return r;
+  }, {});
+  structure: any[];
+  @Input() binary: string;
+
+  get highlighted() {
+    return Object.keys(this.highlightedMap)
+      .filter(key => this.highlightedMap[key])
+      .join(' ');
+  }
+
+  ngOnChanges() {
+    if (this.binary && this.parser) {
+      try {
+        this.structure = flatten(
+          this.parser.readOrdered(new StringBinaryReader(this.binary)).value
+        ).filter(a => a.className.match(this.filterClassName));
+      } catch (e) {
+        console.log(e);
+      }
+    }
+  }
+
+  update(chunk: any, value: any) {
+    this.updateChunk.emit({ chunk, value });
+  }
+}
diff --git a/libs/utils/src/lib/sync/components/sync-join-instructions/sync-join-instructions.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/components/sync-join-instructions/sync-join-instructions.component.css
rename to codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.css
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.html
new file mode 100644
index 000000000..b316b2874
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.html
@@ -0,0 +1,12 @@
+<span
+  class="block"
+  [class.show-meta]="showMeta"
+  *ngFor="let item of data.value; trackBy: trackBy"
+>
+  <span class="name">{{ item.name }}</span>
+  <kirjs-block
+    [showMeta]="showMeta"
+    [class]="item.name"
+    [data]="item"
+  ></kirjs-block>
+</span>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.spec.ts
new file mode 100644
index 000000000..561912d8c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ArrayComponent } from './array.component';
+
+describe('ArrayComponent', () => {
+  let component: ArrayComponent;
+  let fixture: ComponentFixture<ArrayComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ArrayComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ArrayComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.ts
new file mode 100644
index 000000000..e1cc8cf03
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/array/array.component.ts
@@ -0,0 +1,19 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-array',
+  templateUrl: './array.component.html',
+  styleUrls: ['./array.component.css']
+})
+export class ArrayComponent implements OnInit {
+  @Input() data;
+  @Input() showMeta: boolean;
+
+  constructor() {}
+
+  trackBy(i, data) {
+    return data.index;
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.html
new file mode 100644
index 000000000..cba26fba1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.html
@@ -0,0 +1,6 @@
+<!--<kirjs-block *ngIf="type==='structure'" class="one-line" class="kirjs-block" [showMeta]="showMeta"-->
+<!--[data]="structure"></kirjs-block>-->
+<!--<binary-flat *ngIf="type==='flat'" (updateBinary)="updateBinary($event)" [parser]="parser"-->
+<!--[binary]="binary"></binary-flat>-->
+<!--<ng-content></ng-content>-->
+<!--&lt;!&ndash;<kirjs-inline-root [data]="structure"></kirjs-inline-root>&ndash;&gt;-->
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.scss b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.scss
new file mode 100644
index 000000000..54c57c268
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.scss
@@ -0,0 +1,29 @@
+:host ::ng-deep {
+  .block {
+    display: block;
+    font-size: 30px;
+    margin-left: 40px;
+  }
+
+  .name {
+    width: 200px;
+  }
+
+  kirjs-object .block > .name {
+    display: block;
+  }
+}
+
+.block {
+  margin-left: 0;
+  font-size: 40px;
+}
+
+:host ::ng-deep {
+  input {
+    background: transparent;
+    font-size: inherit;
+    border: 0 solid;
+    font-family: Monaco, 'Lucida Console', monospace;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.spec.ts
new file mode 100644
index 000000000..e6fb903df
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BinaryParentComponent } from './binary-parent.component';
+
+describe('BinaryParentComponent', () => {
+  let component: BinaryParentComponent;
+  let fixture: ComponentFixture<BinaryParentComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BinaryParentComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BinaryParentComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.ts
new file mode 100644
index 000000000..1d103dfc6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-parent/binary-parent.component.ts
@@ -0,0 +1,60 @@
+import {
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnInit,
+  Output
+} from '@angular/core';
+import { BinaryParser } from '../../parser/binary-parser';
+import { StringBinaryReader } from '../../parser/readers/string-reader';
+
+@Component({
+  selector: 'kirjs-binary-parent',
+  templateUrl: './binary-parent.component.html',
+  styleUrls: ['./binary-parent.component.scss']
+})
+export class BinaryParentComponent implements OnInit, OnChanges {
+  @Input() showMeta = true;
+  @Input() parser: BinaryParser;
+  @Input() binary: string;
+  @Input() type = 'structure';
+  @Input() spacing = false;
+
+  @Output() updateBinary = new EventEmitter();
+  structure: any;
+
+  constructor() {}
+
+  ngOnInit() {
+    this.regenerate();
+  }
+
+  ngOnChanges() {
+    this.regenerate();
+  }
+
+  regenerate() {
+    this.structure = this.parser.readOrdered(
+      new StringBinaryReader(this.binary)
+    );
+  }
+
+  update(chunk, value) {
+    const len = chunk.end - chunk.start;
+    value = value.padEnd(len, 0).slice(0, len);
+    this.binary =
+      this.binary.slice(0, chunk.start) + value + this.binary.substr(chunk.end);
+    this.updateBinary.emit(this.binary);
+    this.regenerate();
+  }
+
+  updatePart(chunk, value) {
+    const len = chunk.end - chunk.start;
+    value = value.padEnd(len, 0).slice(0, len);
+
+    this.binary =
+      this.binary.slice(0, chunk.start) + value + this.binary.substr(chunk.end);
+    //
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-view.module.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-view.module.ts
new file mode 100644
index 000000000..3b01b25f0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/binary-view.module.ts
@@ -0,0 +1,61 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { BlockComponent } from './block/block.component';
+import { ObjectComponent } from './object/object.component';
+import { BitsComponent } from './bits/bits.component';
+import { StringComponent } from './string/string.component';
+import { NumberComponent } from './number/number.component';
+import { ArrayComponent } from './array/array.component';
+import { ColorComponent } from './color/color.component';
+import { BinaryParentComponent } from './binary-parent/binary-parent.component';
+import { HexComponent } from './hex/hex.component';
+import { InlineComponent } from './inline/inline.component';
+import { InlineRootComponent } from './inline-root/inline-root.component';
+import { BinaryFlatComponent } from '../binary-flat/binary-flat.component';
+import { BinaryPlainComponent } from '../binary-plain/binary-plain.component';
+import { FormsModule } from '@angular/forms';
+
+@NgModule({
+  imports: [CommonModule, FormsModule],
+  declarations: [
+    BlockComponent,
+    ObjectComponent,
+    BitsComponent,
+    StringComponent,
+    NumberComponent,
+    ArrayComponent,
+    ColorComponent,
+    BinaryParentComponent,
+    BinaryFlatComponent,
+    HexComponent,
+    InlineComponent,
+    InlineRootComponent,
+    BinaryPlainComponent
+  ],
+  exports: [
+    BinaryFlatComponent,
+    BinaryPlainComponent,
+    BlockComponent,
+    ObjectComponent,
+    BitsComponent,
+    StringComponent,
+    NumberComponent,
+    ArrayComponent,
+    ColorComponent,
+    BinaryParentComponent,
+    HexComponent
+  ],
+  entryComponents: [
+    BinaryFlatComponent,
+    BlockComponent,
+    ObjectComponent,
+    BitsComponent,
+    StringComponent,
+    NumberComponent,
+    ArrayComponent,
+    ColorComponent,
+    HexComponent,
+    BinaryPlainComponent
+  ]
+})
+export class BinaryViewModule {}
diff --git a/libs/utils/src/lib/sync/sync-playground/sync-playground-presenter/sync-playground-presenter.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/sync-playground/sync-playground-presenter/sync-playground-presenter.component.css
rename to codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.css
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.html
new file mode 100644
index 000000000..b464a513d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.html
@@ -0,0 +1,10 @@
+<input AutoSizeInput [value]="data.rawValue" />
+
+<input
+  AutoSizeInput
+  type="checkbox"
+  *ngIf="data.rawValue.length === 1 && showMeta"
+  [checked]="!!+data.rawValue"
+  (change)="update(i.checked)"
+  #i
+/>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.spec.ts
new file mode 100644
index 000000000..c3a3c4d0e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BitsComponent } from './bits.component';
+
+describe('BitsComponent', () => {
+  let component: BitsComponent;
+  let fixture: ComponentFixture<BitsComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BitsComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BitsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.ts
new file mode 100644
index 000000000..2362484ec
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/bits/bits.component.ts
@@ -0,0 +1,18 @@
+import { Component, Input } from '@angular/core';
+import { BinaryParentComponent } from '../binary-parent/binary-parent.component';
+
+@Component({
+  selector: 'kirjs-bits',
+  templateUrl: './bits.component.html',
+  styleUrls: ['./bits.component.css']
+})
+export class BitsComponent {
+  @Input() data;
+  @Input() showMeta = false;
+
+  constructor(private readonly root: BinaryParentComponent) {}
+
+  update(value) {
+    this.root.update(this.data, Number(value).toString());
+  }
+}
diff --git a/libs/utils/src/lib/sync/sync-playground/sync-playground-test/sync-playground-test.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.css
similarity index 100%
rename from libs/utils/src/lib/sync/sync-playground/sync-playground-test/sync-playground-test.component.css
rename to codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.css
diff --git a/ng2ts/tests/test.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.html
similarity index 100%
rename from ng2ts/tests/test.ts
rename to codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.html
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.spec.ts
new file mode 100644
index 000000000..b94785b8c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BlockComponent } from './block.component';
+
+describe('BlockComponent', () => {
+  let component: BlockComponent;
+  let fixture: ComponentFixture<BlockComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BlockComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BlockComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.ts
new file mode 100644
index 000000000..4ac10fb1f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/block/block.component.ts
@@ -0,0 +1,69 @@
+import {
+  ChangeDetectorRef,
+  Component,
+  ComponentFactoryResolver,
+  Input,
+  OnChanges,
+  OnInit,
+  ViewContainerRef
+} from '@angular/core';
+import { ObjectComponent } from '../object/object.component';
+import { BitsComponent } from '../bits/bits.component';
+import { StringComponent } from '../string/string.component';
+import { NumberComponent } from '../number/number.component';
+import { ArrayComponent } from '../array/array.component';
+import { ColorComponent } from '../color/color.component';
+import { HexComponent } from '../hex/hex.component';
+
+const componentMap = {
+  object: ObjectComponent,
+  bits: BitsComponent,
+  string: StringComponent,
+  number: NumberComponent,
+  array: ArrayComponent,
+  color: ColorComponent,
+  hex: HexComponent
+};
+
+@Component({
+  selector: 'kirjs-block',
+  templateUrl: './block.component.html',
+  styleUrls: ['./block.component.css']
+})
+export class BlockComponent implements OnInit, OnChanges {
+  @Input() data: any;
+  @Input() showMeta: boolean;
+  private componentRef: any;
+
+  constructor(
+    private vcr: ViewContainerRef,
+    private readonly cdr: ChangeDetectorRef,
+    private componentFactoryResolver: ComponentFactoryResolver
+  ) {}
+
+  ngOnChanges(changes) {
+    if (this.componentRef && changes.showMeta) {
+      this.componentRef.instance.showMeta = changes.showMeta.currentValue;
+    }
+
+    if (this.componentRef && changes.data) {
+      this.componentRef.instance.data = changes.data.currentValue;
+    }
+    this.cdr.detectChanges();
+  }
+
+  ngOnInit() {
+    if (!componentMap[this.data.type]) {
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+
+    const cf = this.componentFactoryResolver.resolveComponentFactory(
+      componentMap[this.data.type]
+    );
+    this.vcr.clear();
+    this.componentRef = this.vcr.createComponent(cf) as any;
+    this.componentRef.instance.data = this.data;
+    this.componentRef.instance.showMeta = this.showMeta;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.html
new file mode 100644
index 000000000..32f496a40
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.html
@@ -0,0 +1,7 @@
+<input
+  AutoSizeInput
+  (change)="updateBinary(b.value)"
+  [value]="data.rawValue"
+  #b
+/>
+<input type="color" [value]="'#' + color" (change)="update(i.value)" #i />
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.spec.ts
new file mode 100644
index 000000000..2c30608d6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ColorComponent } from './color.component';
+
+describe('ColorComponent', () => {
+  let component: ColorComponent;
+  let fixture: ComponentFixture<ColorComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ColorComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ColorComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.ts
new file mode 100644
index 000000000..d863cd809
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/color/color.component.ts
@@ -0,0 +1,39 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { BinaryParentComponent } from '../binary-parent/binary-parent.component';
+
+@Component({
+  selector: 'kirjs-color',
+  templateUrl: './color.component.html',
+  styleUrls: ['./color.component.css']
+})
+export class ColorComponent implements OnInit {
+  color: string;
+
+  constructor(private readonly root: BinaryParentComponent) {}
+
+  private _data: any;
+
+  get data() {
+    return this._data;
+  }
+
+  @Input()
+  set data(data) {
+    this._data = data;
+    this.color = data.value.toString(16).padStart(6, 0);
+  }
+
+  update(value) {
+    const val = (parseInt(value.slice(1), 16).toString(2) as any).padStart(
+      24,
+      0
+    );
+    this.root.update(this._data, val);
+  }
+
+  updateBinary(binary) {
+    this.root.update(this.data, binary);
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.html
new file mode 100644
index 000000000..ea1587484
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.html
@@ -0,0 +1 @@
+<span>{{ data.rawValue }}</span> <input [value]="data.value" />
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.spec.ts
new file mode 100644
index 000000000..d58de6b7d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HexComponent } from './hex.component';
+
+describe('HexComponent', () => {
+  let component: HexComponent;
+  let fixture: ComponentFixture<HexComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [HexComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HexComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.ts
new file mode 100644
index 000000000..4d95c2fb3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/hex/hex.component.ts
@@ -0,0 +1,14 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-hex',
+  templateUrl: './hex.component.html',
+  styleUrls: ['./hex.component.css']
+})
+export class HexComponent implements OnInit {
+  @Input() data;
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.html
new file mode 100644
index 000000000..e531bc894
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.html
@@ -0,0 +1,9 @@
+<ng-container *ngIf="displayData">
+  {{ displayData | json }}
+  <!--<h2>{{displayData.type}}</h2>-->
+  <h2>{{ displayData.name }}</h2>
+  <!--<input [value]="displayData.rawValue">-->
+  <!--<kirjs-block [showMeta]="true" [class]="item.name" [data]="displayData"></kirjs-block>-->
+  <h1>{{ displayData.value }}</h1>
+</ng-container>
+<kirjs-inline [data]="data"></kirjs-inline>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.spec.ts
new file mode 100644
index 000000000..c4db75a51
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { InlineRootComponent } from './inline-root.component';
+
+describe('InlineRootComponent', () => {
+  let component: InlineRootComponent;
+  let fixture: ComponentFixture<InlineRootComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [InlineRootComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(InlineRootComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.ts
new file mode 100644
index 000000000..f5cae0cdf
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline-root/inline-root.component.ts
@@ -0,0 +1,20 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-inline-root',
+  templateUrl: './inline-root.component.html',
+  styleUrls: ['./inline-root.component.css']
+})
+export class InlineRootComponent implements OnInit {
+  @Input() data: any;
+
+  displayData: any;
+
+  constructor() {}
+
+  ngOnInit() {}
+
+  display(displayData: any) {
+    this.displayData = displayData;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.css
new file mode 100644
index 000000000..3e8f31f2e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.css
@@ -0,0 +1,27 @@
+span {
+  font-size: 50px;
+  word-wrap: break-word;
+}
+
+.header {
+  background: #52ff93;
+}
+
+.palette {
+  background: #ffb71a;
+}
+
+.extensions {
+  background: #61e9ff;
+}
+
+.item:hover {
+  box-shadow: 0px 0px 4px 4px #444;
+  cursor: pointer;
+}
+
+input {
+  background: transparent;
+  border: 0 solid;
+  font-size: inherit;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.html
new file mode 100644
index 000000000..873d9196f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.html
@@ -0,0 +1,14 @@
+<ng-container *ngIf="isArray">
+  <span *ngFor="let v of value" [class]="v.name">
+    <kirjs-inline [data]="v"></kirjs-inline>
+  </span>
+</ng-container>
+<input
+  class="item"
+  [style.width.px]="data.rawValue ? data.rawValue.length * 28 + 12 : 10"
+  (focus)="display(data)"
+  *ngIf="!isArray"
+  [value]="data.rawValue"
+  (keyup)="updateValue(i.value)"
+  #i
+/>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.spec.ts
new file mode 100644
index 000000000..041a2678a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { InlineComponent } from './inline.component';
+
+describe('InlineComponent', () => {
+  let component: InlineComponent;
+  let fixture: ComponentFixture<InlineComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [InlineComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(InlineComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.ts
new file mode 100644
index 000000000..67bf93e20
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/inline/inline.component.ts
@@ -0,0 +1,41 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { InlineRootComponent } from '../inline-root/inline-root.component';
+import { BinaryParentComponent } from '../binary-parent/binary-parent.component';
+
+@Component({
+  selector: 'kirjs-inline',
+  templateUrl: './inline.component.html',
+  styleUrls: ['./inline.component.css']
+})
+export class InlineComponent implements OnInit {
+  isArray: boolean;
+  private value: any;
+
+  constructor(
+    private readonly root: InlineRootComponent,
+    private readonly binaryRoot: BinaryParentComponent
+  ) {}
+
+  private _data: any;
+
+  get data() {
+    return this._data;
+  }
+
+  @Input()
+  set data(data) {
+    this._data = data;
+    this.value = data.value;
+    this.isArray = Array.isArray(data.value);
+  }
+
+  updateValue(value) {
+    this.binaryRoot.update(this.data, value);
+  }
+
+  ngOnInit() {}
+
+  display() {
+    this.root.display(this.data);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.html
new file mode 100644
index 000000000..8a64a1fa5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.html
@@ -0,0 +1,13 @@
+<input
+  AutoSizeInput
+  (change)="updateBinary(b.value)"
+  [value]="data.rawValue"
+  #b
+/>
+<input
+  AutoSizeInput
+  *ngIf="showMeta"
+  [value]="data.value"
+  (change)="update(i.value)"
+  #i
+/>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.spec.ts
new file mode 100644
index 000000000..60f299243
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { NumberComponent } from './number.component';
+
+describe('NumberComponent', () => {
+  let component: NumberComponent;
+  let fixture: ComponentFixture<NumberComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [NumberComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(NumberComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.ts
new file mode 100644
index 000000000..047a41e63
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/number/number.component.ts
@@ -0,0 +1,28 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { BinaryParentComponent } from '../binary-parent/binary-parent.component';
+
+@Component({
+  selector: 'kirjs-number',
+  templateUrl: './number.component.html',
+  styleUrls: ['./number.component.css']
+})
+export class NumberComponent implements OnInit {
+  @Input() data: any;
+  @Input() showMeta = false;
+
+  constructor(private readonly root: BinaryParentComponent) {}
+
+  update(value) {
+    const val = (Number(value).toString(2) as any).padStart(
+      this.data.length,
+      0
+    );
+    this.root.update(this.data, val.slice(8) + val.slice(0, 8));
+  }
+
+  updateBinary(binary) {
+    this.root.update(this.data, binary);
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.css
new file mode 100644
index 000000000..e7c5b7a55
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.css
@@ -0,0 +1,16 @@
+.show-meta {
+  padding: 4px;
+  margin-right: 4px;
+  margin-top: 4px;
+  border: 1px #ddd solid;
+  border-radius: 10px;
+  font-size: 2vw;
+}
+
+.name {
+  display: none;
+}
+
+.show-meta .name {
+  display: inline-block;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.html
new file mode 100644
index 000000000..b316b2874
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.html
@@ -0,0 +1,12 @@
+<span
+  class="block"
+  [class.show-meta]="showMeta"
+  *ngFor="let item of data.value; trackBy: trackBy"
+>
+  <span class="name">{{ item.name }}</span>
+  <kirjs-block
+    [showMeta]="showMeta"
+    [class]="item.name"
+    [data]="item"
+  ></kirjs-block>
+</span>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.spec.ts
new file mode 100644
index 000000000..13162071d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ObjectComponent } from './object.component';
+
+describe('ObjectComponent', () => {
+  let component: ObjectComponent;
+  let fixture: ComponentFixture<ObjectComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ObjectComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ObjectComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.ts
new file mode 100644
index 000000000..5999d491a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/object/object.component.ts
@@ -0,0 +1,23 @@
+import { ChangeDetectorRef, Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-object',
+  templateUrl: './object.component.html',
+  styleUrls: ['./object.component.css']
+})
+export class ObjectComponent implements OnInit {
+  @Input() data: any;
+  @Input() showMeta = true;
+
+  constructor(private cdr: ChangeDetectorRef) {}
+
+  ngOnInit() {}
+
+  trackBy(i, data) {
+    return data.name;
+  }
+
+  init() {
+    this.cdr.detectChanges();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.css
new file mode 100644
index 000000000..107a9a02a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.css
@@ -0,0 +1,3 @@
+:host {
+  word-break: break-all;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.html
new file mode 100644
index 000000000..8a64a1fa5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.html
@@ -0,0 +1,13 @@
+<input
+  AutoSizeInput
+  (change)="updateBinary(b.value)"
+  [value]="data.rawValue"
+  #b
+/>
+<input
+  AutoSizeInput
+  *ngIf="showMeta"
+  [value]="data.value"
+  (change)="update(i.value)"
+  #i
+/>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.spec.ts
new file mode 100644
index 000000000..ba502c559
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StringComponent } from './string.component';
+
+describe('StringComponent', () => {
+  let component: StringComponent;
+  let fixture: ComponentFixture<StringComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [StringComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StringComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.ts
new file mode 100644
index 000000000..843cbc494
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary-view/string/string.component.ts
@@ -0,0 +1,41 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { BinaryParentComponent } from '../binary-parent/binary-parent.component';
+
+@Component({
+  selector: 'kirjs-string',
+  templateUrl: './string.component.html',
+  styleUrls: ['./string.component.css']
+})
+export class StringComponent implements OnInit {
+  get data() {
+    return this._data;
+  }
+
+  @Input()
+  set data(data) {
+    this._data = data;
+  }
+
+  @Input() showMeta = false;
+
+  _data: any;
+
+  constructor(private readonly root: BinaryParentComponent) {}
+
+  updateBinary(binary) {
+    this.root.update(this.data, binary);
+  }
+
+  update(value) {
+    const val = value
+      .split('')
+      .map(a => a.charCodeAt(0))
+      .map(a => a.toString(2))
+      .map(a => (a as any).padStart(8, 0))
+      .join('');
+
+    this.root.update(this.data, val);
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.html
new file mode 100644
index 000000000..0e6204f90
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.html
@@ -0,0 +1,712 @@
+<slide-deck slideShortcuts class="binary-presentation" slidesRouting>
+  <slide-arrows></slide-arrows>
+  <!--<kirjs-new-progress-bar [fontSize]="fontSize"-->
+  <!--title="Binary ❤️ JavaScript"-->
+  <!--(fontSizeChange)="fontSize = fontSize + $event"></kirjs-new-progress-bar>-->
+  <!--<feedback-widget></feedback-widget>-->
+
+  <div *slide id="intro" bg intro no-padding>
+    <h1 i18n>@kirjs</h1>
+    <h2 i18n>️JavaScript ❤️ Binary</h2>
+    <h3>kirjs.com/binary/0</h3>
+  </div>
+
+  <div *slide id="font-size" bg style="padding: 4vw">
+    <h2 i18n="@@fontSize">
+      If you can't read the numbers below, move closer or go to
+      <b>kirjs.com/binary/0</b>
+    </h2>
+    <div style="font-size: 3vw;word-break: break-all">
+      {{ binaryLittleGif.substr(0, 200) }}
+    </div>
+  </div>
+
+  <div *slide id="binary-abstraction" bg>
+    <h2 i18n>Binary is hidden behind many layers of abstraction</h2>
+  </div>
+
+  <div *slide id="overview-2">
+    <h1 i18n>In this talk:</h1>
+    <ul>
+      <li i18n>Binary in files (images, video, other media, zip)</li>
+      <li i18n>Binary for data transfer (instead of JSON)</li>
+      <li i18n>Javascript using binary in memory</li>
+    </ul>
+  </div>
+
+  <!--<div *slide id="binary-message" bg vc message>-->
+  <!--</div>-->
+
+  <div *slide id="gif-internals" bg vc gif>
+    <h1 i18n>Let's see what's inside of <b>gif</b></h1>
+  </div>
+
+  <div *slide id="binary-file-upload">
+    <input type="file" />
+    <hr />
+    <code-demo-editor
+      [lineNumbers]="false"
+      [fontSize]="40"
+      [(ngModel)]="code.fileHandler"
+      [codeDemoHighlight]="code.fileHandlerHighlight"
+      language="javascript"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide id="binary-file-value-2" vertical-split>
+    <code style="font-size: 2vw;font-weight: 300;word-break: break-word">
+      {{ chikinGif }}
+    </code>
+    <kirjs-binary-gif [binary]="binaryChikinGif"></kirjs-binary-gif>
+  </div>
+
+  <div *slide id="binary-file-string-value" vertical-split>
+    <code
+      style="font-size: 10vw;font-weight: 300;word-break: break-word"
+      contenteditable="true"
+      (input)="setLittleGifBinary($event.target.innerText)"
+    >
+      {{ littleGif }}
+    </code>
+    <kirjs-binary-gif [binary]="binaryLittleGif"></kirjs-binary-gif>
+  </div>
+
+  <div *slide id="binary-file-upload-buffer">
+    <code-demo-editor
+      [lineNumbers]="false"
+      [fontSize]="40"
+      [(ngModel)]="code.fileHandlerBinary"
+      language="javascript"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide id="binary-file-value" vertical-split>
+    <code style="font-size: 3vw; font-weight: 300;word-break: break-word">
+      {{ binaryLittleGif }}
+    </code>
+    <kirjs-binary-gif [binary]="binaryLittleGif"></kirjs-binary-gif>
+  </div>
+
+  <div *slide id="schema" binary-schema>
+    <h2 i18n>Binary data makes no sense without a schema</h2>
+    <table>
+      <tr>
+        <td i18n style="width: 30%">Binary data</td>
+        <td i18n>
+          01001110 01101111 01110110 01101001 00100000 01110011 01100001
+          01100100
+        </td>
+      </tr>
+      <tr>
+        <td colspan="2" style="text-align: center;">+</td>
+      </tr>
+      <tr>
+        <td i18n>Schema</td>
+        <td i18n>Lol, what's this?</td>
+      </tr>
+      <tr>
+        <td colspan="2" style="text-align: center;">=</td>
+      </tr>
+      <tr>
+        <td colspan="2" style="text-align: center;">
+          Numbers? Picture? Archive? Text?
+        </td>
+      </tr>
+    </table>
+  </div>
+
+  <div *slide id="schema-2" binary-schema>
+    <h2 i18n>Binary data makes no sense without a schema</h2>
+    <table>
+      <tr>
+        <td i18n style="width: 30%">Binary data</td>
+        <td i18n>
+          01001110 01101111 01110110 01101001 00100000 01110011 01100001
+          01100100
+        </td>
+      </tr>
+      <tr>
+        <td colspan="2" style="text-align: center;">+</td>
+      </tr>
+      <tr>
+        <td i18n>Schema</td>
+        <td><b i18n>This is UTF-8 string!</b></td>
+      </tr>
+      <tr>
+        <td colspan="2" style="text-align: center;">=</td>
+      </tr>
+      <tr>
+        <td colspan="2" style="text-align: center;">Novi Sad</td>
+      </tr>
+    </table>
+  </div>
+
+  <div *slide id="gif-standard" vc>
+    <pre style="text-align: center;font-size: 2vw;">
+GRAPHICS INTERCHANGE FORMAT(sm)
+
+<a href="https://www.w3.org/Graphics/GIF/spec-gif89a.txt">Version 89a</a>
+
+(c)1987,1988,1989,1990
+
+Copyright
+CompuServe Incorporated
+Columbus, Ohio
+      </pre>
+  </div>
+
+  <div *slide id="gif-unspaced">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [binary]="binaryLittleGif"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="gif-spaced">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [binary]="binaryLittleGif"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="gif-spaced-sections">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [binary]="binaryLittleGif"
+      [spacing]="true"
+      [highlightGroups]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="gif-structure" vc>
+    <h2 i18n>Header</h2>
+    <ul class="text parent-header">
+      <li i18n>Contains size, global pallets specs, transparency.</li>
+    </ul>
+    <h2 i18n>Palette (Optional, size defined )</h2>
+    <ul class="text  parent-palette">
+      <li i18n>Contains indexed colors</li>
+    </ul>
+    <h2 i18n>Extensions (Optional)</h2>
+    <div class="text  parent-extensions">
+      <ul style="margin: 0;">
+        <li i18n i18n>Actual image data</li>
+        <li i18n i18n>Image Control</li>
+        <li i18n i18n>Animation Control</li>
+        <li i18n i18n>Comments</li>
+      </ul>
+    </div>
+  </div>
+
+  <kirjs-color-indexing *slide id="color-indexing"></kirjs-color-indexing>
+
+  <div *slide id="gif-spaced-sections-2">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [binary]="binaryLittleGif"
+      [spacing]="true"
+      [highlightGroups]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="gif-boolean">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [showPopups]="true"
+      [binary]="binaryLittleGif"
+      [highlightedMap]="{ boolean: true }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="gif-number">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [showPopups]="true"
+      [binary]="binaryLittleGif"
+      [highlightedMap]="{ boolean: true, number: true }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="bin-dec"><kirjs-bindec param="uint8"></kirjs-bindec></div>
+
+  <div *slide id="convert-bin-to-dec">
+    <h2 i18n>Convert binary to decimal with JavaScript</h2>
+    <code-demo-realtime-eval
+      code="parseInt('01010101', 2)"
+    ></code-demo-realtime-eval>
+  </div>
+
+  <div *slide id="convert-dec-to-bin">
+    <h2 i18n>Convert decimal to binary</h2>
+    <code-demo-realtime-eval
+      code="(1212).toString(2)"
+    ></code-demo-realtime-eval>
+  </div>
+
+  <div *slide id="gif-spaced-bin-dec">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [showPopups]="true"
+      [binary]="binaryLittleGif"
+      [highlightedMap]="{ boolean: true, number: true }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="gif-spaced-hex">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [showPopups]="true"
+      [binary]="binaryLittleGif"
+      [highlightedMap]="{ boolean: true, number: true, hex: true }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="bin-hex-explained"><kirjs-hexdec></kirjs-hexdec></div>
+  <div *slide id="bin-hex">
+    <h2 i18n>Convert binary to hexadecimal with JavaScript</h2>
+    <code-demo-realtime-eval
+      code="parseInt('01010101', 2).toString(16)"
+    ></code-demo-realtime-eval>
+  </div>
+
+  <div *slide id="hex-bin">
+    <h2 i18n>Convert hexadecimal to binary with JavaScript</h2>
+    <code-demo-realtime-eval
+      code="parseInt('FEFEFE', 16).toString(2)"
+    ></code-demo-realtime-eval>
+  </div>
+
+  <div *slide id="gif-spaced-bin-hex">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [showPopups]="true"
+      [binary]="binaryLittleGif"
+      [highlightedMap]="{ boolean: true, number: true, hex: true }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="gif-spaced-string">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [showPopups]="true"
+      [binary]="binaryLittleGif"
+      [highlightedMap]="{
+        boolean: true,
+        number: true,
+        hex: true,
+        string: true
+      }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="ascii"><kirjs-ascii></kirjs-ascii></div>
+
+  <div *slide id="ascii-2">
+    <kirjs-ascii param="ascii - Page 2"></kirjs-ascii>
+  </div>
+
+  <div *slide id="windows-1251">
+    <kirjs-ascii param="windows-1251"></kirjs-ascii>
+  </div>
+
+  <div *slide id="pelmen" pelmen><h1 i18n>ПЕЛЬМЕНЬ</h1></div>
+
+  <div *slide id="pelmen2" pelmen>
+    <h1 i18n>ПЕЛЬМЕНЬ</h1>
+    <h1 i18n>ПЕЉМЕЊ</h1>
+  </div>
+
+  <div *slide id="KOI8-R"><kirjs-ascii param="KOI8-R"></kirjs-ascii></div>
+  <div *slide id="boxes">
+    <pre style="font-size: 3vw;font-family: monospace; line-height: 1.8vw;">
+┌─┬┐  ╔═╦╗  ╓─╥╖  ╒═╤╕
+│ ││  ║ ║║  ║ ║║  │ ││
+├─┼┤  ╠═╬╣  ╟─╫╢  ╞═╪╡
+└─┴┘  ╚═╩╝  ╙─╨╜  ╘═╧╛
+┌───────────────────┐
+│  ╔═══╗            │
+│  ╚═╦═╝            │
+╞═╤══╩══╤═══════════╡
+│ ├──┬──┤           │
+│ └──┴──┘           │
+└───────────────────┘
+    </pre>
+  </div>
+
+  <div *slide id="krakoziabry" bg krakoziabry></div>
+
+  <div *slide id="utf-8"><kirjs-ascii param="utf-8"></kirjs-ascii></div>
+
+  <div *slide id="str-to-charcode">
+    <h2 i18n>Get charcode from string</h2>
+    <code-demo-realtime-eval
+      code="'lol'.charCodeAt(0)"
+    ></code-demo-realtime-eval>
+  </div>
+
+  <div *slide id="charcode-to-str">
+    <h2 i18n>Get letter from charcode</h2>
+    <code-demo-realtime-eval
+      code="String.fromCharCode(118)"
+    ></code-demo-realtime-eval>
+  </div>
+
+  <!--<div *slide id="binary-message-2" bg vc message>-->
+  <!--</div>-->
+  <!--<div *slide id="binary-message-decoded" vertical-split>-->
+  <!--<div>-->
+  <!--<code-demo-editor language="javascript" [fontSize]="40" [(ngModel)]="code.message"-->
+  <!--(ngModelChange)="evalMessage()"></code-demo-editor>-->
+  <!--</div>-->
+  <!--<div style="font-size: 5vw; word-wrap: break-word">{{evaledMessage}}</div>-->
+  <!--</div>-->
+
+  <div *slide id="gif-string-2">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryLittleGif = $event"
+      [showPopups]="true"
+      [binary]="binaryLittleGif"
+      [highlightedMap]="{
+        boolean: true,
+        number: true,
+        hex: true,
+        string: true
+      }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <div *slide id="chikin">
+    <kirjs-fake-gif
+      (binaryUpdate)="binaryChikinGif = $event"
+      [showPopups]="true"
+      [binary]="binaryChikinGif"
+      [highlightedMap]="{
+        boolean: true,
+        number: true,
+        hex: true,
+        string: true
+      }"
+      [spacing]="true"
+    ></kirjs-fake-gif>
+  </div>
+
+  <!--<div *slide id="charcode-to-str">-->
+  <!--<code-demo-realtime-eval code="String.fromCharCode(1034)"></code-demo-realtime-eval>-->
+  <!--</div>-->
+
+  <div *slide id="parsing-binary" bg vc gif>
+    <h1 i18n>Parsing binary(with <b>binary-parser</b>)</h1>
+  </div>
+
+  <div *slide id="binary-parser-header">
+    <kirjs-binary-parser-demo
+      [filterClassName]="binaryParserHeaderMatch"
+      [helpers]="binaryParserHeaderHelpers"
+      [binary]="binaryLittleGif"
+    ></kirjs-binary-parser-demo>
+  </div>
+
+  <div *slide id="endianness" bg endianness></div>
+  <div *slide id="binary-parser-palette">
+    <kirjs-binary-parser-demo
+      [helpers]="binaryParserPaletteHelpers"
+      [filterClassName]="binaryParserPaletteMatch"
+      [binary]="binaryLittleGif"
+    ></kirjs-binary-parser-demo>
+  </div>
+
+  <div *slide id="facts">
+    <h2 i18n>Gif facts</h2>
+    <ul>
+      <li i18n>Image size: 1х1 to 65535х65535</li>
+      <li i18n>Colors: 2 - 256</li>
+      <li i18n>True color gifs are possible</li>
+      <li i18n>Max number of animation frames - unlimited</li>
+      <li i18n>Animation delay 1/100 - 655 seconds</li>
+      <li i18n>There's a plain text extension</li>
+      <li i18n>24 pages + 12 pages appendix in gif89 standard</li>
+    </ul>
+  </div>
+
+  <div *slide id="files">
+    <h2 i18n>File header constants</h2>
+    <ul>
+      <li i18n>Gif - GIF87a (or GIF89a)</li>
+      <li i18n>Jpeg - begin with ‘FF D8‘ and end with ‘FF D9'</li>
+      <li i18n>Java class - CAFEBABE</li>
+      <li i18n>ZIP files begin with ‘PK‘ (50 4B)</li>
+      <li i18n>PDF files start with ‘%PDF‘ (25 50 44 46)</li>
+      <li i18n>
+        PNG image files begin with “\211 P N G \r \n 32 \n” (89 50 4E 47 0D 0A
+        1A 0A)
+      </li>
+      <li i18n>HTTP2 - PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n</li>
+    </ul>
+  </div>
+
+  <div *slide id="kaitai" bg kaitai>
+    <h1 i18n>Big library of binary formats</h1>
+    <h2 i18n>https://formats.kaitai.io/</h2>
+  </div>
+
+  <div *slide id="binary-json" bg vc json>
+    <h1 i18n>Can we use <b>binary</b> instead of <b>JSON</b>?</h1>
+  </div>
+
+  <div *slide id="json"><kirjs-json></kirjs-json></div>
+
+  <div *slide id="json-1"><kirjs-json [code]="code.jsonOne"></kirjs-json></div>
+
+  <div *slide id="compare-size">
+    <h1 i18n>Serialized Size</h1>
+    <div style="display: flex;" class="compare-serialization">
+      <div class="compare-json">
+        <h2 i18n>JSON</h2>
+        <ul>
+          <li i18n class="compare-value">Bigger</li>
+        </ul>
+      </div>
+
+      <div>
+        <h2 i18n>Binary</h2>
+        <ul>
+          <li i18n class="compare-value">Smaller</li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="compare-speed">
+    <h1 i18n>Serialization speed</h1>
+    <div style="display: flex;" class="compare-serialization">
+      <div class="compare-json">
+        <h2 i18n>JSON</h2>
+        <ul>
+          <li i18n class="compare-value">Slower</li>
+        </ul>
+      </div>
+
+      <div>
+        <h2 i18n>Binary</h2>
+        <ul>
+          <li i18n class="compare-value">Faster</li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="compare-debugging">
+    <h1 i18n>Debugging</h1>
+    <div style="display: flex;" class="compare-serialization">
+      <div class="compare-json">
+        <h2 i18n>JSON</h2>
+
+        <ul>
+          <li i18n class="compare-value">Easy to understand</li>
+          <li i18n class="compare-value">Human readable</li>
+        </ul>
+      </div>
+
+      <div>
+        <h2 i18n>Binary</h2>
+        <ul>
+          <li i18n class="compare-value">Requires special tooling</li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="compare-tooling">
+    <h1 i18n>Tooling</h1>
+    <div style="display: flex;" class="compare-serialization">
+      <div class="compare-json">
+        <h2 i18n>JSON</h2>
+        <ul>
+          <li i18n class="compare-value">For JS works out of the box</li>
+        </ul>
+      </div>
+
+      <div>
+        <h2 i18n>Binary</h2>
+        <ul>
+          <li i18n class="compare-value">Requires special tooling</li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="compare-schema">
+    <h1 i18n>Schema</h1>
+    <div style="display: flex;" class="compare-serialization">
+      <div class="compare-json">
+        <h2 i18n>JSON</h2>
+        <ul>
+          <li i18n>No schema</li>
+        </ul>
+      </div>
+
+      <div>
+        <h2 i18n>Binary</h2>
+        <ul>
+          <li i18n>Needs a schema</li>
+          <li i18n>Comes with type checking</li>
+          <li i18n>Comes with validation</li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="compare-examples">
+    <h2 i18n>Existing solutions</h2>
+    <ul>
+      <li i18n>
+        <a href="https://developers.google.com/protocol-buffers/"
+          >Protocol buffers</a
+        >
+        (Google)
+      </li>
+      <li i18n>
+        <a href="https://google.github.io/flatbuffers/">Flatbuffers</a> (Google)
+      </li>
+      <li i18n>
+        <a href="https://thrift.apache.org/">Thrift</a> (Apache/Facebook)
+      </li>
+    </ul>
+  </div>
+
+  <div *slide id="binary-memory" bg vc>
+    <h1 i18n>Thought experiment</h1>
+    <h2 i18n>Memory management in JavaScript</h2>
+  </div>
+
+  <div *slide id="binary-memory-1">
+    <h2 i18n>Let's see how memory works in typed arrays</h2>
+    <kirjs-memory></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-2">
+    <kirjs-memory
+      [param]="1"
+      code="Boolean[] b = new Boolean[5];"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-3">
+    <kirjs-memory
+      [param]="2"
+      code="Boolean[] b = new Boolean[5];
+System.out.println(b[3]);"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-4">
+    <kirjs-memory [param]="3" code="Uint8[] b = new Uint8[5];"></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-5">
+    <kirjs-memory
+      [param]="4"
+      code="Uint8[] b = new Uint8[5];
+System.out.println(b[3]);"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-6">
+    <kirjs-memory
+      [param]="5"
+      code="a = [true, false, true, false, true];
+console.log(a[3]);"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-7">
+    <kirjs-memory
+      [param]="6"
+      code="a = [true, 3, true, false, true];
+console.log(a[3]);"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-8">
+    <kirjs-memory
+      [param]="7"
+      code="a = [true, 3, true, false, true];
+console.log(a[3]);"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-9">
+    <kirjs-memory
+      [param]="8"
+      code="a = [true, 3, true, false, true];
+console.log(a[3]);"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-10">
+    <kirjs-memory
+      [param]="9"
+      code="a = [true, 3, true, false, true];
+a[1] = false;
+console.log(a[3]);"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-memory-11">
+    <kirjs-memory
+      [param]="4"
+      code="cons a = new Uint8Array(5);
+console.log(a[1])"
+    ></kirjs-memory>
+  </div>
+
+  <div *slide id="binary-operations">
+    <code-demo-editor
+      [lineNumbers]="false"
+      [fontSize]="50"
+      language="javascript"
+      [(ngModel)]="code.simpleBinaryOperations"
+    ></code-demo-editor>
+  </div>
+
+  <div *slide id="angular-flags">
+    <h2 i18n>Angular Component Flags (bitmask)</h2>
+    <kirjs-angular-flags></kirjs-angular-flags>
+  </div>
+
+  <div *slide id="react-flags">
+    <h2 i18n>ReactDOM Flags (bitmask)</h2>
+    <code-demo-editor fontSize="40" [ngModel]="reactBitmask">
+    </code-demo-editor>
+  </div>
+
+  <div *slide id="bitwise-to-read" bg>
+    <kirjs-to-read title="Hacker's delight " author="Henry S. Warren">
+      <div class="book"></div>
+    </kirjs-to-read>
+  </div>
+
+  <div *slide id="the-end">
+    <h1 i18n>The end:</h1>
+    <ul>
+      <li i18n>Binary in files (images, video, other media, zip)</li>
+      <li i18n>Binary for data transfer (instead of JSON)</li>
+      <li i18n>Javascript using binary in memory</li>
+    </ul>
+  </div>
+
+  <div *slide id="outro" bg intro>
+    <h1 i18n>@kirjs</h1>
+    <h2 i18n>Binary ❤️ JavaScript</h2>
+    <h2 i18n>kirjs.com/binary/0</h2>
+    <h3 i18n>Thanks @andrey_sitnik, @_bmsdave, @NisamProgramer for review</h3>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.scss b/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.scss
new file mode 100644
index 000000000..de3f5c54a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.scss
@@ -0,0 +1,201 @@
+h1 {
+  font-size: 5vw;
+}
+
+::ng-deep feedback-widget {
+  position: absolute;
+  right: 0;
+  bottom: 140px;
+  display: block;
+  width: 32px;
+  height: 32px;
+  z-index: 100;
+
+  .feedback-button {
+    width: 24px;
+    height: 24px;
+  }
+}
+
+#font-size b {
+  font-size: 10vw;
+  margin-bottom: 6vw;
+  display: block;
+}
+
+:host {
+  .binary-presentation ::ng-deep {
+    .slide [intro] {
+      background: url(pics/kirjs.webp);
+      background-size: 100vh !important;
+      padding-left: 3vw;
+      h2 {
+        font-size: 3vw;
+      }
+      h1,
+      h2,
+      h3 {
+        text-align: left;
+        margin-left: 100vh;
+        margin-bottom: 2vw;
+      }
+
+      h3 {
+        font-size: 3vw;
+      }
+    }
+
+    .slide [json] {
+      background: url(pics/p2.jpg);
+    }
+
+    .slide [krakoziabry] {
+      background: url(pics/krakoziabry.jpg);
+      background-size: cover;
+    }
+
+    .slide [endianness] {
+      background: url(pics/endianness.png);
+      background-size: 80vw !important;
+    }
+
+    .slide [pelmen] {
+      background: url(pics/pelmeni.jpg);
+      background-size: cover;
+
+      h1 {
+        font-size: 10vw;
+        text-shadow: 0 0 1vw #ffffff;
+      }
+    }
+
+    .slide [kaitai] {
+      background: url(pics/kaitai.png);
+      background-size: 400px 400px !important;
+      background-color: #fff;
+
+      h1 {
+        font-size: 3vw;
+      }
+      h2 {
+        text-align: center;
+        font-size: 2vw;
+      }
+    }
+
+    .slide [gif] {
+      background: url(pics/zoom.gif);
+    }
+
+    .slide #binary-abstraction {
+      background: url(pics/binary-abstraction.jpg);
+    }
+
+    .slide [message],
+    [gif] .slide {
+      background: url(pics/gdg-binary.jpg);
+    }
+
+    .slide [gif-bg],
+    [gif-bg] .slide {
+      background: url(pics/little.gif);
+    }
+    .slide [bg],
+    [bg] .slide {
+      background-repeat: no-repeat;
+      background-size: cover;
+    }
+
+    .slide [vs] {
+      display: flex;
+      align-items: center;
+      justify-content: center;
+    }
+
+    .slide h1 {
+      font-size: 5vw;
+      color: #444;
+      text-align: center;
+    }
+
+    h2 {
+      font-size: 4vw;
+      margin-bottom: 2vw;
+    }
+
+    [bg] h1 {
+      margin-top: 40px;
+      font-size: 10vw;
+      text-shadow: 0 3px 20px #fff, 0 -3px 20px #fff, -3px 0 20px #fff,
+        3px 0 20px #fff;
+    }
+
+    [bg] h2 {
+      font-size: 6vw;
+      text-shadow: 0 3px 20px #fff, 0 -3px 20px #fff, -3px 0 20px #fff,
+        3px 0 20px #fff;
+    }
+
+    td {
+      font-size: 2vw;
+      font-weight: 300;
+      padding: 1vw;
+    }
+  }
+
+  [bg] h1 b,
+  [bg] h2 b {
+    background: transparent;
+    font-weight: bold;
+  }
+}
+
+.compare-json {
+  width: 50%;
+}
+
+.compare-serialization {
+  padding: 0 20vw;
+}
+
+#gif-structure {
+  .text,
+  li {
+    font-size: 3vw;
+  }
+  h2 {
+    margin-bottom: 1vw;
+  }
+
+  .text {
+    margin-bottom: 2vw;
+  }
+}
+
+[binary-schema] {
+  table {
+    width: 100%;
+  }
+  td {
+    font-size: 4vw;
+    font-weight: 400;
+  }
+}
+
+#gif-structure {
+  .parent-palette {
+    background: #00ff51;
+  }
+
+  .parent-header {
+    background: #ffaf00;
+  }
+
+  .parent-extensions {
+    background: #00a4ff;
+  }
+}
+
+#bitwise-to-read .book {
+  background-image: url(./pics/hackers-delight.jpeg);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.ts
new file mode 100644
index 000000000..4d6acb79f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary.component.ts
@@ -0,0 +1,385 @@
+import { Component } from '@angular/core';
+import { strToBin } from './parser/utils';
+
+declare const require;
+
+const littleGif = require('!binary-loader!./pics/little.gif');
+const chikinGif = require('!binary-loader!./pics/chikin.gif');
+
+@Component({
+  selector: 'kirjs-binary',
+  templateUrl: './binary.component.html',
+  styleUrls: ['./binary.component.scss']
+})
+export class BinaryComponent {
+  fontSize = 30;
+
+  binaryLittleGif = strToBin(littleGif);
+  binaryChikinGif = strToBin(chikinGif);
+
+  code = {
+    message: `['01001011', '01001111',
+ '01010100', '01001100',
+ '01001001', '01001110',
+ '00100000', '00111110',
+ '00100000', '01001010',
+ '01000001', '01010110',
+ '01000001'
+]
+
+
+
+
+
+
+// .map(
+//   a => String.fromCharCode(
+//   parseInt(a, 2)))
+//   .join('');
+`,
+    simpleBinaryOperations: `let i = 7; // 7 = 1 + 2 + 4
+!!(i & 1) // true
+!!(i & 2) // true
+!!(i & 4) // true
+
+i = i & ~2; // 5 = 1 + 4 (Not 2)
+
+!!(i & 1) // true
+!!(i & 2) // false
+!!(i & 4) // true
+
+i = i | 2  // 7 = 1 + 2 + 4
+
+!!(i & 1) // true
+!!(i & 2) // true
+!!(i & 4) // true
+
+
+`,
+    jsonBasic: `{
+  "name": "Sarah",
+  "test": true,
+  "something": 1212
+}`,
+    jsonOne: `{
+  "str": "1",
+  "number": 1,
+  "bool": true
+}`,
+    inputFile: '<input id = "" type="file">',
+    fileHandlerHighlight: { match: /read/, className: 'highlighted-code' },
+    fileHandler: `const input = document.getElementById('file');
+input.addEventListener('change', (e) => {
+  const reader = new FileReader();
+
+  reader.onloadend = (e) => {
+    console.log(e.target.result);
+  };
+
+  reader.readAsString(input.files[0]);
+});
+`,
+    fileHandlerBinary: `const input = document.getElementById('file');
+input.addEventListener('change', (e) => {
+  const reader = new FileReader();
+
+  reader.onloadend = (e) => {
+    console.log(e.target.result);
+  };
+
+  reader.readAsArrayBuffer(input.files[0]);
+});`
+  };
+
+  littleGif = littleGif;
+  chikinGif = chikinGif;
+
+  binaryParserHeaderMatch = /parent-header/;
+  binaryParserHeaderHelpers = [
+    `new Parser();`,
+    `new Parser()
+      .string('gif', {length: 3})
+    `,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+    `,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16('width')
+    `,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+    `,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+      .uint16le('height')
+    `,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+      .uint16le('height')
+      .bit1('globalPalette')
+    `,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+      .uint16le('height')
+      .bit1('globalPalette')
+      .bit3('resolution')
+      .bit1('paletteSorted')
+      .bit3('paletteSize')
+      .uint8('background')
+      .uint8('ratio')
+    `
+  ];
+
+  reactBitmask = `// Don't change these two values. They're used by React Dev Tools.
+var NoEffect = /*              */0;
+var PerformedWork = /*         */1;
+
+// You can change the rest (and add more).
+var Placement = /*             */2;
+var Update = /*                */4;
+var PlacementAndUpdate = /*    */6;
+var Deletion = /*              */8;
+var ContentReset = /*          */16;
+var Callback = /*              */32;
+var DidCapture = /*            */64;
+var Ref = /*                   */128;
+var Snapshot = /*              */256;
+var Passive = /*               */512;
+
+// Passive & Update & Callback & Ref & Snapshot
+var LifecycleEffectMask = /*   */932;
+
+// Union of all host effects
+var HostEffectMask = /*        */1023;
+
+var Incomplete = /*            */1024;
+var ShouldCapture = /*         */2048;`;
+
+  binaryParserPaletteMatch = /parent-palette/;
+  binaryParserPaletteHelpers = [
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+      .uint16le('height')
+      .bit1('globalPalette')
+      .bit3('resolution')
+      .bit1('paletteSorted')
+      .bit3('paletteSize')
+      .uint8('background')
+      .uint8('ratio')`,
+
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+      .uint16le('height')
+      .bit1('globalPalette')
+      .bit3('resolution')
+      .bit1('paletteSorted')
+      .bit3('paletteSize')
+      .uint8('background')
+      .uint8('ratio')
+      .array('palette', {
+        type: new Parser().bit24('color'),
+        length: 4
+        }
+      )`,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+      .uint16le('height')
+      .bit1('globalPalette')
+      .bit3('resolution')
+      .bit1('paletteSorted')
+      .bit3('paletteSize')
+      .uint8('background')
+      .uint8('ratio')
+      .array('palette', {
+        type: new Parser().bit24('color'),
+        length: (result) =>
+            2 ** (result.paletteSize + 1)
+        }
+      )`,
+    `new Parser()
+      .string('gif', {length: 3})
+      .string('version', {length: 3})
+      .uint16le('width')
+      .uint16le('height')
+      .bit1('globalPalette')
+      .bit3('resolution')
+      .bit1('paletteSorted')
+      .bit3('paletteSize')
+      .uint8('background')
+      .uint8('ratio')
+      .array('palette', {
+        type: new Parser()
+          .uint8('r')
+          .uint8('g')
+          .uint8('b'),
+        length: (result) =>
+            2 ** (result.paletteSize + 1)
+        }
+      )`
+  ];
+
+  //
+  // `file.byteLength`,
+  // `String.fromCharCode(...new Uint8Array(file))`,
+  //   // `// Let's test how many arguments we can apply
+  //   // String.fromCharCode(...Array.from(new Array(100)))`,
+  //   // `String.fromCharCode(...Array.from(new Array(10000)))`,
+  //   // `String.fromCharCode(...Array.from(new Array(100000)))`,
+  //   // `String.fromCharCode(...Array.from(new Array(1000000)))`,
+  //   // `String.fromCharCode(...Array.from(new Array(125307)))`,
+  //   // `
+  //   // // read more:
+  //   https://stackoverflow.com/questions/22747068/is-there-a-max-number-of-arguments-javascript-functions-can-accept
+  //   // String.fromCharCode(...Array.from(new Array(125306)))`,
+  // `String.fromCharCode(...new Uint8Array(file))`,
+  // `Array.from(new Uint8Array(file)).map(a=>a.toString(2).padStart(8, 0)).join('')`,
+
+  // <input id="file" type="file">
+  //   document.getElementById('file').addEventListener('change', (e)=>{
+  //   const reader = new FileReader();
+  //
+  //   reader.onloadend = (e) => {
+  //     file = e.target.result;
+  //     console.log(file);
+  //   };
+  //
+  //   reader.readAsArrayBuffer(e.target.files[0]);
+  // })
+
+  // gif = {
+  //   width: "4",
+  //   height: "4",
+  //   image: [
+  //     '#f00', '#f00', '#f00', '#f00',
+  //     '#f90', '#f0f', '#f00', '#f00',
+  //     '#f90', '#f0f', '#f00', '#f00',
+  //     '#f90', '#f0f', '#f00', '#f00',
+  //   ]
+  // }
+
+  commands = [
+    `\`
+
+
+
+
+
+        @kirjs
+        Binary ❤️ JavaScript
+
+
+
+
+    \``,
+    `<input id="file" type="file">`,
+    `
+    document.getElementById('file').addEventListener('change', (e)=>{
+      const reader = new FileReader();
+
+      reader.onloadend = (e) => {
+        file = e.target.result;
+        console.log(file);
+      };
+
+      reader.readAsArrayBuffer(e.target.files[0]);
+    })`,
+
+    `file.byteLength`,
+    `String.fromCharCode(...new Uint8Array(file))`,
+    // `// Let's test how many arguments we can apply
+    //  String.fromCharCode(...Array.from(new Array(100)))`,
+    // `String.fromCharCode(...Array.from(new Array(10000)))`,
+    // `String.fromCharCode(...Array.from(new Array(100000)))`,
+    // `String.fromCharCode(...Array.from(new Array(1000000)))`,
+    // `String.fromCharCode(...Array.from(new Array(125307)))`,
+    // `
+    // // read more: https://stackoverflow.com/questions/22747068/is-there-a-max-number-of-arguments-javascript-functions-can-accept
+    // String.fromCharCode(...Array.from(new Array(125306)))`,
+    `String.fromCharCode(...new Uint8Array(file))`,
+    `Array.from(new Uint8Array(file)).map(a=>a.toString(2).padStart(8, 0)).join('')`,
+
+    `explain('message', 'basic')`,
+    `explain('message', 'bytes')`,
+    `explain('bindec', 'uint8')`,
+    `parseInt('01010101', 2)`,
+    `explain('bindec', 'int8')`,
+    `explain('message', 'uint8')`,
+    `explain('ascii')`,
+    `explain('message', 'string')`,
+
+    `explain('compare')`,
+    `explain('json')`,
+    `explain('gif')`,
+    `
+     // Let's reinvent gif with JSON:
+
+
+     gif = {
+        width: "4",
+        height: "4",
+        image: [
+        '#f00', '#f00', '#f00', '#f00',
+        '#f90', '#f0f', '#f00', '#f00',
+        '#f90', '#f0f', '#f00', '#f00',
+        '#f90', '#f0f', '#f00', '#f00',
+        ]
+     }
+
+    `,
+    `
+     // Let's index the colors
+
+
+     gif = {
+        width: "4",
+        height: "4",
+        colors: ['#f00', '#f90',  '#f0f'],
+        image: [
+          0, 0, 0, 0,
+          1, 2, 0, 0,
+          1, 2, 0, 0,
+          1, 0 ,2 , 0
+        ]
+     }
+
+    `,
+    `JSON.stringify(gif)`,
+    `JSON.stringify(gif).length`,
+
+    `"010010010111010000100000011010010111001100100000011000110110111101101101011011010110111101101110001"
+
+
+    `,
+
+    `explain('gif')`,
+
+    `// How to read binary data?`
+  ];
+  private evaledMessage: string;
+
+  evalMessage() {
+    this.evaledMessage = eval(this.code.message);
+  }
+
+  setLittleGifBinary(value: string) {
+    this.littleGif = value;
+    this.binaryLittleGif = strToBin(value);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/binary.module.ts b/codelab-master/apps/kirjs/src/app/modules/binary/binary.module.ts
new file mode 100644
index 000000000..7967d0986
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/binary.module.ts
@@ -0,0 +1,85 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { FormsModule } from '@angular/forms';
+import { MatSelectModule } from '@angular/material/select';
+import { MatAutocompleteModule } from '@angular/material/autocomplete';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { ConsoleModule } from '@codelab/console';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { SharedPipeModule } from '@codelab/utils/src/lib/pipes/pipes.module';
+import { BinaryComponent } from './binary.component';
+import { FakeGifComponent } from './fake-gif/fake-gif.component';
+import { GifPaletteComponent } from './gif-palette/gif-palette.component';
+import { BinaryViewModule } from './binary-view/binary-view.module';
+import { MidiComponent } from './midi/midi.component';
+import { AsciiComponent } from './ascii/ascii.component';
+import { BindecComponent } from './bindec/bindec.component';
+import { MessageComponent } from './message/message.component';
+import { JsonComponent } from './json/json.component';
+import { CompareComponent } from './compare/compare.component';
+import { HtmlPostComponent } from './html-post/html-post.component';
+import { NewProgressBarModule } from '../ast/new-progress-bar/new-progress-bar.module';
+import { BinaryGifComponent } from './binary-gif/binary-gif.component';
+import { BitComponent } from './bit/bit.component';
+import { MemoryComponent } from './memory/memory.component';
+import { BinaryParserDemoComponent } from './binary-parser-demo/binary-parser-demo.component';
+import { HexdecComponent } from './hexdec/hexdec.component';
+import { AngularFlagsComponent } from './angular-flags/angular-flags.component';
+import { ColorIndexingComponent } from './color-indexing/color-indexing.component';
+import { BitwiseComponent } from './bitwise/bitwise.component';
+import { ToReadComponent } from './to-read/to-read.component';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(BinaryComponent));
+
+@NgModule({
+  imports: [
+    routes,
+    FormsModule,
+    CommonModule,
+    BinaryViewModule,
+    CodeDemoModule,
+    MatAutocompleteModule,
+    SharedPipeModule,
+    ConsoleModule,
+
+    NewProgressBarModule,
+    MatSelectModule,
+    SlidesModule,
+    FeedbackModule
+  ],
+  declarations: [
+    BinaryComponent,
+    FakeGifComponent,
+    GifPaletteComponent,
+    MidiComponent,
+    AsciiComponent,
+    BindecComponent,
+    MessageComponent,
+    JsonComponent,
+    CompareComponent,
+    HtmlPostComponent,
+    BinaryGifComponent,
+    BitComponent,
+    MemoryComponent,
+    BinaryParserDemoComponent,
+    HexdecComponent,
+    AngularFlagsComponent,
+    ColorIndexingComponent,
+    BitwiseComponent,
+    ToReadComponent
+  ],
+  entryComponents: [
+    FakeGifComponent,
+    MidiComponent,
+    AsciiComponent,
+    BindecComponent,
+    MessageComponent,
+    JsonComponent,
+    HtmlPostComponent,
+    CompareComponent
+  ],
+  exports: [BinaryComponent]
+})
+export class BinaryModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.css
new file mode 100644
index 000000000..bfa609a2c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.css
@@ -0,0 +1,44 @@
+.powers {
+  display: flex;
+  font-size: 5vw;
+  justify-content: center;
+}
+
+.power {
+  width: 12.5%;
+  border: 1px #ddd dotted;
+  text-align: center;
+  cursor: pointer;
+}
+
+.power:hover {
+  box-shadow: 0 0 12px 6px #999;
+  background: #eeeeee;
+}
+
+.power input {
+  zoom: 4;
+}
+
+.dec {
+  font-size: 3vw;
+  color: #444;
+}
+.bin {
+  font-size: 10vw;
+}
+.number {
+  width: 100%;
+  text-align: center;
+  font-size: 16vw;
+  padding: 2vw;
+}
+
+.link:hover {
+  color: #90cd79;
+}
+.link {
+  border-bottom: 1px #999 dotted;
+  margin-right: 20px;
+  cursor: pointer;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.html
new file mode 100644
index 000000000..b86fe719e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.html
@@ -0,0 +1,27 @@
+<div class="powers">
+  <label *ngIf="displaySign" class="power">
+    <div class="dec">{{ sign ? '-' : '+' }}</div>
+    <div><input type="checkbox" [(ngModel)]="sign" /></div>
+    <div class="bin">{{ sign ? '1' : '0' }}</div>
+  </label>
+  <label *ngFor="let v of digits; let i = index" class="power">
+    <div class="dec">{{ getBaseValue(i) }}</div>
+    <div>
+      <input type="checkbox" [checked]="v" (ngModelChange)="result[i] = v" />
+    </div>
+    <div class="bin">{{ v ? '1' : '0' }}</div>
+  </label>
+</div>
+<input type="text" class="number" [value]="convertedValue" />
+<div style="display: flex;margin-top: 10px;">
+  <div class="link" (click)="digits = [0]">1</div>
+  <div class="link" (click)="digits = [0, 0]">2</div>
+  <div class="link" (click)="digits = [0, 0, 0, 0]">4</div>
+  <div class="link" (click)="digits = [0, 0, 0, 0, 0, 0, 0, 0]">8</div>
+  <div class="link" (click)="digits.unshift(0)">Add one</div>
+  <div class="link" (click)="digits.shift()">Remove one</div>
+  <div class="link" (click)="displaySign = true">Add sign</div>
+  <div class="link" (click)="displaySign = false; sign = false">
+    Remove sign
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.spec.ts
new file mode 100644
index 000000000..2c1d2dc70
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BindecComponent } from './bindec.component';
+
+describe('BindecComponent', () => {
+  let component: BindecComponent;
+  let fixture: ComponentFixture<BindecComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BindecComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BindecComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.ts
new file mode 100644
index 000000000..2a197d26c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bindec/bindec.component.ts
@@ -0,0 +1,37 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-bindec',
+  templateUrl: './bindec.component.html',
+  styleUrls: ['./bindec.component.css']
+})
+export class BindecComponent implements OnInit {
+  digits = [0];
+  result = [0];
+  displaySign = false;
+  sign = false;
+
+  constructor() {}
+
+  get size() {
+    return this.digits.length;
+  }
+
+  get convertedValue() {
+    return (
+      (this.sign ? -1 : 1) *
+      this.result.reduce(
+        (result, value, index) => result + value * this.getBaseValue(index),
+        0
+      )
+    );
+  }
+
+  getBaseValue(i: number) {
+    return 2 ** (this.size - i - 1);
+  }
+
+  update(value) {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.css
new file mode 100644
index 000000000..01f7d18e6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.css
@@ -0,0 +1,32 @@
+.bits {
+  display: flex;
+  margin-bottom: 4vw;
+}
+
+.size-16 .bit {
+  font-size: 5vw;
+}
+
+.size-24 .bit {
+  font-size: 4vw;
+}
+.size-32 .bit {
+  font-size: 2.5vw;
+}
+
+.bit {
+  font-size: 10vw;
+  margin-left: 1vw;
+  color: #444;
+  border-bottom: 0.2vw #888 solid;
+}
+
+.label {
+  color: #999;
+  border: none;
+  margin-right: 2vw;
+}
+
+:host ::ng-deep .content.content.content table td {
+  font-size: 4vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.html
new file mode 100644
index 000000000..1f04d8c18
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.html
@@ -0,0 +1,6 @@
+<div class="bits size-{{ bitValue.length }}" style="display: flex;">
+  <div class="bit label">{{ bitValue.length }} bits:</div>
+  <div class="bit" *ngFor="let value of bitValue">{{ value }}</div>
+</div>
+
+<div class="content"><ng-content></ng-content></div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.spec.ts
new file mode 100644
index 000000000..395404a6e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BitComponent } from './bit.component';
+
+describe('BitComponent', () => {
+  let component: BitComponent;
+  let fixture: ComponentFixture<BitComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BitComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BitComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.ts
new file mode 100644
index 000000000..768f69d38
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bit/bit.component.ts
@@ -0,0 +1,31 @@
+import { Component, Input, OnDestroy, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-bit',
+  templateUrl: './bit.component.html',
+  styleUrls: ['./bit.component.css']
+})
+export class BitComponent implements OnInit, OnDestroy {
+  bits = 7;
+  @Input() param = 1;
+
+  bitValue: number[] = [];
+
+  private interval = setInterval(() => {
+    this.generate();
+  }, 500);
+
+  generate() {
+    this.bitValue = Array.from({ length: this.param }).map(a =>
+      Math.round(Math.random())
+    );
+  }
+
+  ngOnDestroy() {
+    clearInterval(this.interval);
+  }
+
+  ngOnInit() {
+    this.generate();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.html
new file mode 100644
index 000000000..5406b703a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.html
@@ -0,0 +1 @@
+<p>bitwise works!</p>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.spec.ts
new file mode 100644
index 000000000..fe090db39
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BitwiseComponent } from './bitwise.component';
+
+describe('BitwiseComponent', () => {
+  let component: BitwiseComponent;
+  let fixture: ComponentFixture<BitwiseComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BitwiseComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BitwiseComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.ts
new file mode 100644
index 000000000..3a3786cb1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/bitwise/bitwise.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-bitwise',
+  templateUrl: './bitwise.component.html',
+  styleUrls: ['./bitwise.component.css']
+})
+export class BitwiseComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.css
new file mode 100644
index 000000000..1305661e0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.css
@@ -0,0 +1,8 @@
+.cell {
+  width: 8vw;
+  height: 8vw;
+  text-align: center;
+  font-size: 3vw !important;
+  vertical-align: middle;
+  line-height: 8vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.html
new file mode 100644
index 000000000..3ece96397
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.html
@@ -0,0 +1,40 @@
+<div vertical-split style="padding: 2vw;">
+  <div>
+    <h2 i18n>Unindexed image</h2>
+    <table>
+      <tr *ngFor="let row of noIndexing; let r = index">
+        <td
+          *ngFor="let cell of row; let c = index"
+          [style.background]="cell"
+          class="cell"
+          contenteditable="true"
+          (keydown.control.enter)="
+            noIndexing[r][c] = $event.target.innerText.trim(); generate()
+          "
+        >
+          {{ cell }}
+        </td>
+      </tr>
+    </table>
+  </div>
+  <div>
+    <h2 i18n>Color table (Palette)</h2>
+    <div style="display: flex;flex-wrap: wrap">
+      <div
+        *ngFor="let color of colorTable"
+        [style.background]="color.color"
+        class="cell"
+      >
+        {{ color.index }}
+      </div>
+    </div>
+    <h2 i18n>Indexed image</h2>
+    <table>
+      <tr *ngFor="let row of noIndexing">
+        <td *ngFor="let cell of row" [style.background]="cell" class="cell">
+          {{ hash[cell] }}
+        </td>
+      </tr>
+    </table>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.spec.ts
new file mode 100644
index 000000000..64ab0cfb3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ColorIndexingComponent } from './color-indexing.component';
+
+describe('ColorIndexingComponent', () => {
+  let component: ColorIndexingComponent;
+  let fixture: ComponentFixture<ColorIndexingComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ColorIndexingComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ColorIndexingComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.ts
new file mode 100644
index 000000000..b57c460cb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/color-indexing/color-indexing.component.ts
@@ -0,0 +1,53 @@
+import { Component, OnInit } from '@angular/core';
+
+interface TableItem {
+  color: string;
+  index: number;
+}
+
+interface ColorTableHash {
+  [key: string]: number;
+}
+
+@Component({
+  selector: 'kirjs-color-indexing',
+  templateUrl: './color-indexing.component.html',
+  styleUrls: ['./color-indexing.component.css']
+})
+export class ColorIndexingComponent implements OnInit {
+  noIndexing = [
+    ['#ff0000', '#ff0000', '#ff0000'],
+    ['#fff000', '#ff0000', '#fff000'],
+    ['#ff0000', '#ff0000', '#ff0000']
+  ];
+
+  colorTable: TableItem[];
+  hash: ColorTableHash;
+
+  constructor() {
+    this.generate();
+  }
+
+  index() {
+    const index = this.noIndexing.reduce((colors, row) => {
+      return row.reduce((colors, cell) => {
+        colors[cell] = true;
+        return colors;
+      }, colors);
+    }, {});
+    return Object.keys(index).map((color, index) => ({ color, index }));
+  }
+
+  generate() {
+    this.colorTable = this.index();
+    this.hash = this.colorTable.reduce(
+      (hash: ColorTableHash, value: TableItem): ColorTableHash => {
+        hash[value.color] = value.index;
+        return hash;
+      },
+      {}
+    );
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.css
new file mode 100644
index 000000000..c2ccebcb0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.css
@@ -0,0 +1,3 @@
+.slide {
+  flex: 0 0 100vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.html
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.spec.ts
new file mode 100644
index 000000000..b83c4b54a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { CompareComponent } from './compare.component';
+
+describe('CompareComponent', () => {
+  let component: CompareComponent;
+  let fixture: ComponentFixture<CompareComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [CompareComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(CompareComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.ts
new file mode 100644
index 000000000..bd2997c14
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/compare/compare.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-compare',
+  templateUrl: './compare.component.html',
+  styleUrls: ['./compare.component.css']
+})
+export class CompareComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.css
new file mode 100644
index 000000000..0696bbc01
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.css
@@ -0,0 +1,3 @@
+* {
+  font-family: Monaco, 'Lucida Console', monospace;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.html
new file mode 100644
index 000000000..84f9f6d83
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.html
@@ -0,0 +1,76 @@
+<div style="position: fixed; right: 0; top: 0;width: 250px;" *ngIf="preview">
+  <kirjs-binary-gif [binary]="binary"></kirjs-binary-gif>
+  <input type="file" (change)="upload(file)" #file />
+</div>
+
+<div #translations style="display: none">
+  <div i18n id="headerConst">This is always "GIF"</div>
+  <div i18n id="version">This is always "87a" or "89a"</div>
+  <div i18n id="width">Width of the image</div>
+  <div i18n id="height">Height of the image</div>
+
+  <div i18n id="globalPalette">Whether global palette is present</div>
+  <div i18n id="resolution">Number of bits per primary color available</div>
+  <div i18n id="isPaletteSorted">Whether the palette is sorted</div>
+  <div i18n id="paletteSize">
+    Specifies number of colors in the palette proportional a power of two. e.g.
+  </div>
+  <div i18n id="background">
+    If present specifies index of a color in the global color table that would
+    be transparent
+  </div>
+  <div i18n id="ratio">Ratio of the pixel</div>
+
+  <div i18n id="reservedBits">Reserved bits</div>
+  <div i18n id="disposalMethod">
+    Disposal Method - Indicates the way in which the graphic is to be treated
+    after being displayed. Values : 0 - No disposal specified. The decoder is
+    not required to take any action. 1 - Do not dispose. The graphic is to be
+    left in place. 2 - Restore to background color. The area used by the graphic
+    must be restored to the background color. 3 - Restore to previous. The
+    decoder is required to restore the area overwritten by the graphic with what
+    was there prior to rendering the graphic. 4-7 - To be defined.
+  </div>
+  <div i18n id="UI">
+    Not used, the initial intention was to allow user interactions
+  </div>
+  <div i18n id="isTransparent">
+    Whether the frame should have a transparent color
+  </div>
+  <div i18n id="delay">Animation delay for next image</div>
+  <div i18n id="transparentColor">Optional transparent color index</div>
+  <div i18n id="left">Horizontal shift in pixels</div>
+  <div i18n id="top">Vertical shift in pixels</div>
+  <div i18n id="imageWidth">Width of the image</div>
+  <div i18n id="imageHeight">Height of the image</div>
+  <div i18n id="localPalette">Whether the image has local palette</div>
+  <div i18n id="isImageInterlacingEnabld">
+    Indicates if the image is interlaced.
+  </div>
+  <div i18n id="isLocalPaletteSorted">Whether local palette is sorted</div>
+  <div i18n id="localPaletteSize">Bucket of sizes of local palette.</div>
+
+  <div i18n id="netscapeLoopingExtensionId">
+    Identifies the Netscape Looping Extension. This field contains the fixed
+    value 0x01
+  </div>
+  <div i18n id="extensionSize">Size of the extension block in bytes</div>
+  <div i18n id="loops">Number of animation loops</div>
+  <div i18n id="graphicBlock">This is the actual image encoded with LZW</div>
+</div>
+
+<div>
+  <div style="margin-right: 220px;">
+    <kirjs-binary-plain
+      (updateChunk)="updateChunk($event)"
+      [parser]="parser"
+      [binary]="binary"
+      [spacing]="spacing"
+      [mini]="mini"
+      [showPopups]="showPopups"
+      [filterClassName]="filterClassName"
+      [highlightGroups]="highlightGroups"
+      [highlightedMap]="highlightedMap"
+    ></kirjs-binary-plain>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.spec.ts
new file mode 100644
index 000000000..a3da8fa5a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FakeGifComponent } from './fake-gif.component';
+
+describe('FakeGifComponent', () => {
+  let component: FakeGifComponent;
+  let fixture: ComponentFixture<FakeGifComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [FakeGifComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FakeGifComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.ts
new file mode 100644
index 000000000..7ae853bcd
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/fake-gif.component.ts
@@ -0,0 +1,77 @@
+import {
+  AfterViewInit,
+  Component,
+  EventEmitter,
+  Input,
+  Output,
+  ViewChild
+} from '@angular/core';
+import { BinaryParser } from '../parser/binary-parser';
+import { gifParser } from './gif-parser';
+import { extractMessages } from '@codelab/utils/src/lib/i18n/i18n-tools';
+
+interface Chunk {
+  name: string;
+  size: number;
+  value: string;
+  start?: number;
+}
+
+@Component({
+  selector: 'kirjs-fake-gif',
+  templateUrl: './fake-gif.component.html',
+  styleUrls: ['./fake-gif.component.css']
+})
+export class FakeGifComponent implements AfterViewInit {
+  t: { [key: string]: string };
+  @Input()
+  spacing = false;
+  showMeta = true;
+  @Input() binary: string;
+  @Input() highlightedMap: Record<string, boolean> = {};
+  @Input() highlightGroups = false;
+  @Input() preview = true;
+  @Input() filterClassName = /./;
+  @Input() mini = false;
+  @Input() showPopups = false;
+  @Output() binaryUpdate = new EventEmitter();
+  gif: string;
+  parser: BinaryParser;
+
+  @ViewChild('translations', { static: false }) translation;
+
+  constructor() {}
+
+  upload(file) {
+    const reader = new FileReader();
+
+    reader.onloadend = (e: any) => {
+      const result = new Uint8Array(e.target.result);
+      const binaries = Array.from(result)
+        .map(a => a.toString(2))
+        .map(a => (a as any).padStart(8, 0));
+      this.binary = binaries.join('');
+    };
+
+    reader.readAsArrayBuffer(file.files[0]);
+  }
+
+  update(chunk, value) {
+    const len = chunk.end - chunk.start;
+    value = value.padEnd(len, 0).slice(0, len);
+    this.binary =
+      this.binary.slice(0, chunk.start) + value + this.binary.substr(chunk.end);
+    this.binaryUpdate.emit(this.binary);
+  }
+
+  ngAfterViewInit() {
+    requestAnimationFrame(() => {
+      this.t = extractMessages(this.translation);
+      this.parser = new BinaryParser().block('gif', gifParser(this.t));
+    });
+  }
+
+  updateChunk({ chunk, value }) {
+    this.update(chunk, value);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/gif-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/gif-parser.ts
new file mode 100644
index 000000000..efde1c0b2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/gif-parser.ts
@@ -0,0 +1,131 @@
+import { BinaryParser } from '../parser/binary-parser';
+import { lzw } from './gif';
+
+export function gifParser(t: { [key: string]: string }) {
+  const header = new BinaryParser()
+    .string('headerConst', { length: 3, description: t.headerConst })
+    .string('version', { length: 3, description: t.version })
+    .uInt16('width', { description: t.width })
+    .uInt16('height', { description: t.height })
+    .boolean('globalPalette', { description: t.globalPalette })
+    .bit3('resolution', { type: 'number', description: t.resolution })
+    .boolean('isPaletteSorted', { description: t.isPaletteSorted })
+    .bit3('paletteSize', { type: 'number', description: t.paletteSize })
+    .uInt8('background', { description: t.background })
+    .uInt8('Ratio', { description: t.ratio });
+
+  const commentParser = new BinaryParser()
+    .string('comment', { readUntil: '00000000' })
+    .hex('end', { length: 2 });
+
+  const palette = new BinaryParser().array('palette', {
+    parser: new BinaryParser().hex('color', {
+      length: 6,
+      type: 'color'
+    }),
+    length(data) {
+      const paletteSize = data
+        .find(d => d.name === '_parent')
+        .value.find(d => d.name === 'header')
+        .value.find(d => d.name === 'paletteSize').value;
+      const size = parseInt(paletteSize, 2);
+      return 2 ** (size + 1);
+    }
+  });
+
+  const netscapeParser = new BinaryParser()
+    .uInt8('extensionSize', { description: t.extensionSize })
+    .constBits('00000001', { description: t.netscapeLoopingExtensionId })
+    .uInt16('loops', { description: t.loops })
+    .constBits('00000000', { description: '' });
+
+  const xmpParser = new BinaryParser()
+    .string('data', {
+      readUntil: '00000000'
+    })
+    .hex('end', { length: 4 });
+
+  const extensionParser = new BinaryParser()
+    .hex('0b', { length: 2 })
+    .string('type', { length: 8 })
+    .string('code', { length: 3 })
+    .choice('data', {
+      key: 'type',
+      values: {
+        NETSCAPE: netscapeParser,
+        'XMP Data': xmpParser
+      }
+    });
+
+  const graphicControlParser = new BinaryParser()
+    .hex('const', { length: 2 })
+    .constBits('000', { description: t.reservedBits })
+    .bit3('disposalMethod', { type: 'enums', description: t.disposalMethod })
+    .boolean('UI', { description: t.UI })
+    .boolean('isTransparent', { description: t.isTransparent })
+    .uInt16('delay', { description: t.delay })
+    .uInt8('transparentColor', { description: t.transparentColor })
+    .constBits('00000000');
+
+  const exclamationMarkParser = new BinaryParser()
+    .hex('subtype', { length: 2 })
+    .choice('extension', {
+      key: 'subtype',
+      values: {
+        f9: graphicControlParser,
+        ff: extensionParser,
+        fe: commentParser
+      }
+    });
+
+  const imageDescriptorParser = new BinaryParser()
+    .uInt16('left', { description: t.left })
+    .uInt16('top', { description: t.top })
+    .uInt16('imageWidth', { description: t.imageWidth })
+    .uInt16('imageHeight', { description: t.imageHeight })
+    .boolean('localPalette', { description: t.localPalette })
+    .boolean('isImageInterlacingEnabld', {
+      description: t.isImageInterlacingEnabld
+    })
+    .boolean('isLocalPaletteSorted', { description: t.isLocalPaletteSorted })
+    .constBits('00', { description: t.reservedBits })
+    .bit3('localPaletteSize', {
+      type: 'enums',
+      description: t.localPaletteSize
+    })
+    .uInt8('colorDepth')
+    .uInt8('blockSize')
+    .bit('graphicBlock', {
+      description: t.graphicBlock,
+      length: fields => {
+        return (
+          (Object as any).values(fields).find(a => a.name === 'blockSize')
+            .value * 8
+        );
+      },
+      converter(bits) {
+        return lzw(
+          2,
+          bits.match(/.{8}/g).map(a => parseInt(a, 2)),
+          4
+        );
+      }
+    })
+    .constBits('00000000');
+
+  const body = new BinaryParser()
+    .string('marker', { length: 1 })
+    .choice('extension', {
+      key: 'marker',
+      values: {
+        '!': exclamationMarkParser,
+        ';': new BinaryParser(),
+        ',': imageDescriptorParser
+      }
+    });
+
+  return new BinaryParser()
+    .block('header', header)
+    .block('palette', palette)
+    .array('extensions', { parser: body, length: 200 });
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/gif.ts b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/gif.ts
new file mode 100644
index 000000000..ef2f3c1e2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/fake-gif/gif.ts
@@ -0,0 +1,115 @@
+export function lzw(minCodeSize, data, pixelCount) {
+  const MAX_STACK_SIZE = 4096;
+  const nullCode = -1;
+
+  const npix = pixelCount;
+  let available,
+    clear,
+    code_mask,
+    code_size,
+    end_of_information,
+    in_code,
+    old_code,
+    bits,
+    code,
+    i,
+    datum,
+    data_size,
+    first,
+    top,
+    bi,
+    pi;
+
+  const dstPixels = new Array(pixelCount);
+  const prefix = new Array(MAX_STACK_SIZE);
+  const suffix = new Array(MAX_STACK_SIZE);
+  const pixelStack = new Array(MAX_STACK_SIZE + 1);
+
+  // Initialize GIF data stream decoder.
+  data_size = minCodeSize;
+  clear = 1 << data_size;
+  end_of_information = clear + 1;
+  available = clear + 2;
+  old_code = nullCode;
+  code_size = data_size + 1;
+  code_mask = (1 << code_size) - 1;
+  for (code = 0; code < clear; code++) {
+    prefix[code] = 0;
+    suffix[code] = code;
+  }
+
+  // Decode GIF pixel stream.
+  datum = bits = first = top = pi = bi = 0;
+
+  for (i = 0; i < npix; ) {
+    if (top === 0) {
+      if (bits < code_size) {
+        // get the next byte
+        datum += data[bi] << bits;
+
+        bits += 8;
+        bi++;
+        continue;
+      }
+      // Get the next code.
+      code = datum & code_mask;
+      datum >>= code_size;
+      bits -= code_size;
+      // Interpret the code
+      if (code > available || code === end_of_information) {
+        break;
+      }
+
+      if (code === clear) {
+        // Reset decoder.
+        code_size = data_size + 1;
+        code_mask = (1 << code_size) - 1;
+        available = clear + 2;
+        old_code = nullCode;
+        continue;
+      }
+      if (old_code === nullCode) {
+        pixelStack[top++] = suffix[code];
+        old_code = code;
+        first = code;
+        continue;
+      }
+      in_code = code;
+      if (code === available) {
+        pixelStack[top++] = first;
+        code = old_code;
+      }
+      while (code > clear) {
+        pixelStack[top++] = suffix[code];
+        code = prefix[code];
+      }
+
+      first = suffix[code] & 0xff;
+      pixelStack[top++] = first;
+
+      // add a new string to the table, but only if space is available
+      // if not, just continue with current table until a clear code is found
+      // (deferred clear code implementation as per GIF spec)
+      if (available < MAX_STACK_SIZE) {
+        prefix[available] = old_code;
+        suffix[available] = first;
+        available++;
+        if ((available & code_mask) === 0 && available < MAX_STACK_SIZE) {
+          code_size++;
+          code_mask += available;
+        }
+      }
+      old_code = in_code;
+    }
+    // Pop a pixel off the pixel stack.
+    top--;
+    dstPixels[pi++] = pixelStack[top];
+    i++;
+  }
+
+  for (i = pi; i < npix; i++) {
+    dstPixels[i] = 0; // clear missing pixels
+  }
+
+  return dstPixels;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.css
new file mode 100644
index 000000000..0696bbc01
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.css
@@ -0,0 +1,3 @@
+* {
+  font-family: Monaco, 'Lucida Console', monospace;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.html
new file mode 100644
index 000000000..38d23e791
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.html
@@ -0,0 +1,5 @@
+<div *ngFor="let color of colors">
+  <input [value]="color[0]" (change)="color[0] = c0.value; serialize()" #c0 />
+  <input [value]="color[1]" (change)="color[1] = c1.value; serialize()" #c1 />
+  <input [value]="color[2]" (change)="color[2] = c2.value; serialize()" #c2 />
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.spec.ts
new file mode 100644
index 000000000..ffc888a25
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { GifPaletteComponent } from './gif-palette.component';
+
+describe('GifPaletteComponent', () => {
+  let component: GifPaletteComponent;
+  let fixture: ComponentFixture<GifPaletteComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [GifPaletteComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(GifPaletteComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.ts
new file mode 100644
index 000000000..7e35fad90
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/gif-palette/gif-palette.component.ts
@@ -0,0 +1,45 @@
+import { Component, EventEmitter, Input, OnInit, Output } from '@angular/core';
+
+interface Chunk {
+  name: string;
+  size: number;
+  value: string;
+  start?: number;
+}
+
+@Component({
+  selector: 'kirjs-gif-palette',
+  templateUrl: './gif-palette.component.html',
+  styleUrls: ['./gif-palette.component.css']
+})
+export class GifPaletteComponent implements OnInit {
+  @Output() change = new EventEmitter<string>();
+
+  colors: number[][];
+
+  private _value = '';
+
+  get value() {
+    return this._value;
+  }
+
+  @Input()
+  set value(val: string) {
+    this._value = val;
+    this.colors = Array.from(val.match(/.{24}/g)).map(a =>
+      Array.from(a.match(/.{8}/g)).map(str => parseInt(str, 2))
+    );
+  }
+
+  serialize() {
+    this._value = this.colors
+      .map(c =>
+        c
+          .map(p => ((+p).toString(2) as any).padStart(8, 0).slice(0, 8))
+          .join('')
+      )
+      .join('');
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.html
new file mode 100644
index 000000000..848591c57
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.html
@@ -0,0 +1,7 @@
+<h2>Converting bin to hex</h2>
+<div style="display: grid; grid-template-columns:25% 25% 25% 25% ">
+  <div *ngFor="let n of numbers" style="padding: 2vw;">
+    <div class="hex" style="font-size: 5vw;">{{ n.hex }}</div>
+    <div class="bin" style="font-size:3.5vw;color: #666;">{{ n.bin }}</div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.spec.ts
new file mode 100644
index 000000000..d821855aa
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HexdecComponent } from './hexdec.component';
+
+describe('HexdecComponent', () => {
+  let component: HexdecComponent;
+  let fixture: ComponentFixture<HexdecComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [HexdecComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HexdecComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.ts
new file mode 100644
index 000000000..3824c6c6c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/hexdec/hexdec.component.ts
@@ -0,0 +1,17 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-hexdec',
+  templateUrl: './hexdec.component.html',
+  styleUrls: ['./hexdec.component.css']
+})
+export class HexdecComponent implements OnInit {
+  numbers = new Array(16).fill(0).map((a, i) => ({
+    bin: i.toString(2).padStart(4, '0'),
+    hex: i.toString(16)
+  }));
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.css
new file mode 100644
index 000000000..5c39ddde2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.css
@@ -0,0 +1,5 @@
+:host {
+  padding: 2vw;
+  display: block;
+  zoom: 3;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.html
new file mode 100644
index 000000000..a3642dee7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.html
@@ -0,0 +1 @@
+<div [innerHTML]="html"></div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.spec.ts
new file mode 100644
index 000000000..8864c6ffb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HtmlPostComponent } from './html-post.component';
+
+describe('HtmlPostComponent', () => {
+  let component: HtmlPostComponent;
+  let fixture: ComponentFixture<HtmlPostComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [HtmlPostComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HtmlPostComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.ts
new file mode 100644
index 000000000..10e09699b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/html-post/html-post.component.ts
@@ -0,0 +1,20 @@
+import { Component, Input } from '@angular/core';
+import { DomSanitizer, SafeHtml } from '@angular/platform-browser';
+
+@Component({
+  selector: 'kirjs-html-post',
+  templateUrl: './html-post.component.html',
+  styleUrls: ['./html-post.component.css']
+})
+export class HtmlPostComponent {
+  html: SafeHtml;
+
+  constructor(private sanitizer: DomSanitizer) {
+    this.html = sanitizer.bypassSecurityTrustHtml('');
+  }
+
+  @Input()
+  set param(html: string) {
+    this.html = this.sanitizer.bypassSecurityTrustHtml(html);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.html
new file mode 100644
index 000000000..49a5db746
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.html
@@ -0,0 +1,85 @@
+<div style="display: flex;" class="wrapper">
+  <div
+    class="code"
+    style="flex: 0 0 36vw; display: flex;flex-direction: column"
+  >
+    <h2 i18n>
+      Data as JSON (<b>{{ codeLength }} bytes</b>)
+    </h2>
+    <code-demo-editor
+      style=""
+      (codeDemoLineChange)="handleLineChange($event)"
+      [(ngModel)]="code"
+      [fontSize]="40"
+      [lineNumbers]="false"
+      [codeDemoHighlight]="match"
+    ></code-demo-editor>
+  </div>
+  <div
+    class="binary"
+    style="flex: 0 0 60vw; display: flex;flex-direction: column"
+  >
+    <h2 i18n>
+      Binary data (<b>{{ binariesLength }} bytes</b>)
+    </h2>
+    <div *ngIf="error" style="padding: 3vw;">{{ error }}</div>
+    <div>
+      <span
+        (click)="index = i"
+        *ngFor="let item of binaries; let i = index"
+        [class.selected]="i === index"
+      >
+        <span class="value highlight-{{ i }}">{{ item.binary }}</span>
+        <span class="detail">
+          {{ item.type }}
+          <span
+            *ngIf="item.type === 'string'"
+            style="display: flex;flex-wrap: wrap"
+          >
+            <span
+              *ngFor="let l of item.display"
+              style="display: flex; flex-direction: column"
+            >
+              <span class="letter" style="text-align: center;"
+                >{{ l.value }}&nbsp;</span
+              >
+              <span class="bin highlight-{{ i }}">{{ l.bin }}</span>
+            </span>
+          </span>
+          <span
+            *ngIf="item.type === 'number'"
+            style="display: flex; flex-direction: column"
+          >
+            <span class="letter" style="text-align: center;">{{
+              item.value
+            }}</span>
+            <span class="bin highlight-{{ i }}">{{ item.binary }}</span>
+          </span>
+          <span
+            *ngIf="item.type === 'boolean'"
+            style="display: flex; flex-direction: column"
+          >
+            <span class="letter" style="text-align: center;">{{
+              item.value
+            }}</span>
+            <span class="bin highlight-{{ i }}">{{ item.binary }}</span>
+          </span>
+        </span>
+      </span>
+    </div>
+    <h2 style="margin-top: 2vw;" i18n>
+      Schema (<b>{{ schemaLength }} bytes</b>)
+    </h2>
+
+    <div
+      (click)="index = i"
+      *ngFor="let item of schema; let i = index"
+      class="bin {{ item.className }}"
+    >
+      <ng-container *ngIf="item.className">&nbsp;&nbsp;</ng-container
+      >{{ item.value }}
+    </div>
+  </div>
+</div>
+
+<div (click)="index = index + 1">Next</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.scss b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.scss
new file mode 100644
index 000000000..f4972b80b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.scss
@@ -0,0 +1,89 @@
+.wrapper {
+  font-size: 3vw;
+  word-break: break-all;
+}
+
+.code {
+  white-space: pre-wrap;
+  font-size: 2vw;
+  margin-right: 2vw;
+  margin-left: 1vw;
+}
+
+.binary .selected {
+  display: block;
+  box-shadow: 0 0 4px 1px #444;
+  background: #eee;
+  font-size: 3vw;
+}
+
+.code .selected {
+  color: #444;
+  font-size: 3vw;
+  box-shadow: 0 0 4px 1px #444;
+  background: #eee;
+}
+
+.detail {
+  display: none;
+}
+
+.selected .detail {
+  display: block;
+}
+
+.selected .value {
+  display: none;
+}
+
+:host ::ng-deep {
+  .highlight-0 {
+    background: rgba(255, 124, 0, 0.47);
+  }
+
+  .highlight-1 {
+    background: rgba(255, 239, 0, 0.47);
+  }
+
+  .highlight-2 {
+    background: #00ff29;
+  }
+
+  .highlight-3 {
+    background: #00ffe7;
+  }
+
+  .highlight-4 {
+    background: rgba(0, 177, 255, 0.46);
+  }
+
+  .highlight-5 {
+    background: rgba(185, 0, 255, 0.29);
+  }
+
+  .highlight-6 {
+    background: rgba(255, 0, 89, 0.47);
+  }
+
+  .highlight-7 {
+    background: rgba(255, 115, 0, 0.4);
+  }
+}
+
+h2 {
+  font-size: 3vw !important;
+}
+
+.error::before {
+  color: #e51400;
+  content: '🙀';
+}
+
+.error {
+  color: #e51400;
+  border: 1px #e51400 solid;
+  border-radius: 12px;
+  font-size: 3vw;
+  padding: 2vw;
+  display: block;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.spec.ts
new file mode 100644
index 000000000..910c7b653
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { JsonComponent } from './json.component';
+
+describe('JsonComponent', () => {
+  let component: JsonComponent;
+  let fixture: ComponentFixture<JsonComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [JsonComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(JsonComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.ts
new file mode 100644
index 000000000..1a99e25e3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/json/json.component.ts
@@ -0,0 +1,116 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+function strToBin(s: string) {
+  return Array.from(new TextEncoder().encode(s))
+    .map(a => a.toString(2).padStart(8, '0'))
+    .join('');
+}
+
+@Component({
+  selector: 'kirjs-json',
+  templateUrl: './json.component.html',
+  styleUrls: ['./json.component.scss']
+})
+export class JsonComponent implements OnInit {
+  @Input() code = `{
+  "name": "Sarah",
+  "test": true,
+  "something": 1212
+}`;
+
+  match = [];
+
+  index = 0;
+  binaries: any[];
+  binariesLength: number;
+  codeLength: number;
+  schema: { value: string }[] = [];
+  schemaLength: number;
+  error: string;
+
+  constructor() {}
+
+  handleLineChange({ value: code, lineNumber }) {
+    this.binaries = [
+      {
+        binary: '',
+        comment: `we don't need to encode curly braces :)`
+      }
+    ];
+
+    let val;
+    try {
+      val = JSON.parse(code);
+      this.error = '';
+    } catch (e) {
+      this.error = e.message;
+      return;
+    }
+
+    this.binaries = this.binaries.concat(
+      Object.keys(val).map(key => {
+        const value = val[key];
+        const data: any = {};
+
+        data.key = key;
+        data.key = key;
+        if (typeof value === 'boolean') {
+          data.binary = Number(value);
+          data.type = 'boolean';
+          data.comment = 'just one bit!';
+        } else if (typeof value === 'number') {
+          data.binary = value
+            .toString(2)
+            .padStart(Math.ceil(Math.log2(value + 1) / 8) * 8, '0');
+          data.type = 'number';
+          data.comment = 'Number';
+        } else if (typeof value === 'string') {
+          data.binary = strToBin(value) + '0000000000000000';
+          data.display = value
+            .split('')
+            .map(value => ({
+              value,
+              bin: (value.charCodeAt(0).toString(2) as any).padStart(8, 0)
+            }))
+            .concat({ value: 'Separator', bin: '000000000000000000' });
+          data.type = 'string';
+          data.comment = 'String!';
+        }
+        data.value = value;
+
+        return data;
+      })
+    );
+
+    this.schema = [
+      {
+        value: 'message {',
+        className: ''
+      }
+    ]
+      .concat(
+        this.binaries.slice(1).map((b, i) => ({
+          value: `    ${b.type} ${b.key} = ${i};`,
+          className: 'highlight-' + i
+        }))
+      )
+      .concat({
+        value: '}',
+        className: ''
+      });
+
+    this.schemaLength = this.schema.map(s => s.value).join('').length;
+    this.match = code
+      .split('\n')
+      .map((a, i) => ({ match: a.trim(), className: `highlight-${i}` }));
+    this.index = lineNumber - 1;
+    this.codeLength = code.replace(/\s/g, '').length;
+    this.binariesLength = Math.ceil(
+      this.binaries
+        .map(a => a.binary.toString().length)
+        .reduce((a, b) => a + b, 0) / 8
+    );
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.css
new file mode 100644
index 000000000..cf66893d1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.css
@@ -0,0 +1,95 @@
+.memory {
+  display: flex;
+  flex-wrap: wrap;
+  width: 100%;
+  flex-shrink: 0;
+}
+
+.cell {
+  font-size: 1vw;
+  color: #999;
+  width: 5.7vw;
+  box-sizing: border-box;
+
+  margin-right: 0.3vw;
+  height: 6vw;
+  background: #ddd;
+  margin-bottom: 0.5vw;
+  padding: 0.5vw;
+  border: 1px #999 solid;
+}
+
+.value {
+  font-size: 3vw;
+}
+
+.index {
+  font-size: 1.5vw;
+  vertical-align: top;
+  padding: 0.2vw;
+  color: #444;
+  width: 2vw;
+  display: inline-block;
+}
+
+.cell.cell-empty {
+  background: #ffffff;
+}
+
+.cell.cell-boolean {
+  background: #444444;
+  color: #bbb;
+}
+
+.cell.selected2.selected2.selected2,
+.cell.cell-selected2 {
+  background: #ff9900;
+  color: #444;
+}
+
+.cell.cell-number.selected,
+.cell.cell-selected.cell-selected.cell-selected {
+  background: #ffff00;
+  color: #444;
+}
+
+.cell.cell-number-end-highlight,
+.cell.cell-number-highlight {
+  background: #ff0;
+  color: #444;
+}
+
+.cell.cell-cell-number-end,
+.cell.cell-number {
+  background: #444444;
+  color: #bbb;
+}
+
+.cell.cell-cell-number-end .index,
+.cell.cell-number .index {
+  color: #999;
+}
+
+.cell.cell-number.cell-selected,
+.cell.cell-number-highlight,
+.cell.cell-number {
+  width: 6vw;
+  margin-right: 0;
+  border-right: 0;
+  border-left-style: dotted;
+}
+
+.number.number {
+  background: #9f0;
+  color: black;
+}
+
+.bool.bool {
+  background: #f90;
+  color: black;
+}
+
+.link.link {
+  background: #00c8ff;
+  color: black;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.html
new file mode 100644
index 000000000..a130045e2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.html
@@ -0,0 +1,19 @@
+<div style="">
+  <code-demo-editor
+    minLines="1"
+    language="java"
+    style="height: 120px; margin-bottom: 2vw;"
+    [fontSize]="40"
+    [lineNumbers]="false"
+    [(ngModel)]="code"
+  ></code-demo-editor>
+  <div class="memory">
+    <div
+      *ngFor="let cell of memory; let i = index"
+      class="cell cell-{{ cell.type }}"
+    >
+      <span class="index">{{ i }}</span>
+      <span class="value">{{ cell.value }}</span>
+    </div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.spec.ts
new file mode 100644
index 000000000..babb4e4d2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MemoryComponent } from './memory.component';
+
+describe('MemoryComponent', () => {
+  let component: MemoryComponent;
+  let fixture: ComponentFixture<MemoryComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [MemoryComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(MemoryComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.ts
new file mode 100644
index 000000000..bb051f4df
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/memory/memory.component.ts
@@ -0,0 +1,194 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-memory',
+  templateUrl: './memory.component.html',
+  styleUrls: ['./memory.component.css']
+})
+export class MemoryComponent implements OnInit {
+  @Input() param = 0;
+  @Input() code = '';
+  start = 0;
+
+  memory = Array.from({ length: 64 }).fill({
+    value: 0,
+    type: 'empty'
+  }) as any;
+
+  constructor() {}
+
+  allocValues(values, classes = []) {
+    let i = 0;
+    for (let x = 0; x < values.length; x++) {
+      const v = values[x];
+      for (let y = 0; y < v.length; y++) {
+        this.memory[i] = {
+          value: v[y],
+          type:
+            (y === v.length - 1 ? 'cell-number-end' : 'number') +
+            ' ' +
+            (classes[x] || '')
+        };
+
+        i++;
+      }
+    }
+  }
+
+  highlightBoolean(i: number) {
+    this.memory[i].type =
+      (this.memory[i].type || '') + ' selected cell-selected';
+  }
+
+  highlightShouldBe(i: number) {
+    this.memory[i].type = (this.memory[i].type || '') + ' selected2';
+  }
+
+  highlightNumber(i: number) {
+    for (let y = 0; y < 8; y++) {
+      this.memory[i * 8 + y] = {
+        value: Math.round(Math.random()),
+        type: y === 7 ? 'number-end-highlight' : 'number-highlight'
+      };
+    }
+  }
+
+  ngOnInit() {
+    if (this.param === 0) {
+      return;
+    }
+
+    if (this.param === 1) {
+      this.allocValues('00000'.split(''));
+    }
+
+    if (this.param === 2) {
+      this.allocValues('00000'.split(''));
+      this.highlightBoolean(3);
+    }
+
+    if (this.param === 3) {
+      this.allocValues([
+        '00000000',
+        '00000000',
+        '00000000',
+        '00000000',
+        '00000000'
+      ]);
+    }
+
+    if (this.param === 4) {
+      this.allocValues([
+        '00000000',
+        '00000000',
+        '00000000',
+        '00000000',
+        '00000000'
+      ]);
+      this.highlightNumber(3);
+    }
+
+    if (this.param === 5) {
+      this.allocValues('10101'.split(''));
+      this.highlightBoolean(3);
+    }
+
+    const bools = '10101'.split('');
+    const num = '00000011';
+    bools[1] = num;
+
+    if (this.param === 6) {
+      this.allocValues(bools);
+      this.highlightBoolean(3);
+      this.highlightShouldBe(10);
+    }
+
+    if (this.param === 7) {
+      const typedArray = [
+        '001',
+        '1',
+        '010',
+        num,
+        '001',
+        '0',
+        '001',
+        '0',
+        '001',
+        '1',
+        '000'
+      ];
+      this.allocValues(typedArray, [
+        ' bool',
+        '',
+        ' number',
+        '',
+        ' bool',
+        '',
+        ' bool',
+        ' cell-selected ',
+        ' bool'
+      ]);
+    }
+
+    const typedArray = [
+      '011110',
+      '010010',
+      '101101',
+      '110001',
+      '110101',
+      '001',
+      '1',
+      '010',
+      num,
+      '001',
+      '0',
+      '001',
+      '0',
+      '001',
+      '1'
+    ];
+    if (this.param === 8) {
+      this.allocValues(typedArray, [
+        ' link',
+        ' link',
+        ' link',
+        ' link',
+        ' link',
+        ' bool',
+        '',
+        ' number',
+        '',
+        ' bool',
+        '',
+        ' bool',
+        '',
+        ' bool'
+      ]);
+    }
+
+    if (this.param === 9) {
+      const typedArrayWidhBool = [...typedArray, '001', '0'];
+
+      typedArrayWidhBool[1] = '111001';
+
+      this.allocValues(typedArrayWidhBool, [
+        ' link',
+        ' link',
+        ' link',
+        ' link highlight',
+        ' link',
+        ' bool',
+        '',
+        ' bool',
+        '',
+        ' bool',
+        '',
+        ' bool',
+        '',
+        ' bool',
+        '',
+        ' bool'
+      ]);
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.css
new file mode 100644
index 000000000..6cefa6eb5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.css
@@ -0,0 +1,27 @@
+.blocks {
+  display: flex;
+  flex-wrap: wrap;
+}
+
+.block {
+  font-size: 1.5vw;
+  color: #444;
+}
+
+.basic .block {
+  padding: 0;
+  font-size: 3vw;
+}
+
+.bytes .block {
+  font-size: 3vw;
+}
+
+.human {
+  font-size: 4vw;
+}
+
+.block {
+  padding: 1vw;
+  text-align: center;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.html
new file mode 100644
index 000000000..97dcade91
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.html
@@ -0,0 +1,22 @@
+<!--<div>-->
+<!--<span (click)="setDisplay('basic')">basic</span>-->
+<!--<span (click)="setDisplay('bytes')">bytes</span>-->
+<!--<span (click)="setDisplay('hex')">hex</span>-->
+<!--<span (click)="setDisplay('boolean')">boolean</span>-->
+<!--<span (click)="setDisplay('uint8')">uint8</span>-->
+<!--<span (click)="setDisplay('uint8')">int8</span>-->
+<!--<span (click)="setDisplay('uint16')">uint16</span>-->
+<!--<span (click)="setDisplay('uint32')">uint32</span>-->
+<!--<span (click)="setDisplay('uint17')">uint17</span>-->
+<!--<span (click)="setDisplay('string')">string</span>-->
+<!--</div>-->
+<div [class]="display + ' blocks'">
+  <div
+    [class]="block.className"
+    [class.block]="true"
+    *ngFor="let block of blocks"
+  >
+    <div class="bin">{{ block.bin }}</div>
+    <div class="human">{{ block.human }}</div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.spec.ts
new file mode 100644
index 000000000..697ba47fb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MessageComponent } from './message.component';
+
+describe('MessageComponent', () => {
+  let component: MessageComponent;
+  let fixture: ComponentFixture<MessageComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [MessageComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(MessageComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.ts
new file mode 100644
index 000000000..8d9ab6846
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/message/message.component.ts
@@ -0,0 +1,106 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+function toByte(message) {
+  return Array.from(message.match(/.{8}/gi)).map(bin => ({
+    className: 'basic',
+    bin
+  }));
+}
+
+const transforms = {
+  basic: toByte,
+  bytes: toByte,
+  boolean(message) {
+    return message.split('').map(bin => {
+      return {
+        className: 'basic',
+        bin,
+        human: (!!Number(bin)).toString()
+      };
+    });
+  },
+  uint16(message) {
+    return Array.from(message.match(/.{16}/gi)).map(bin => ({
+      className: 'basic',
+      bin,
+      human: parseInt(bin as string, 2)
+    }));
+  },
+  uint17(message) {
+    return Array.from(message.match(/.{17}/gi)).map(bin => ({
+      className: 'basic',
+      bin,
+      human: parseInt(bin as string, 2)
+    }));
+  },
+  uint32(message) {
+    return Array.from(message.match(/.{32}/gi)).map(bin => ({
+      className: 'basic',
+      bin,
+      human: parseInt(bin as string, 2)
+    }));
+  },
+  hex(message) {
+    return Array.from(message.match(/.{8}/gi)).map((bin: string) => ({
+      className: 'basic',
+      bin,
+      human: parseInt(bin, 2).toString(16)
+    }));
+  },
+  uint8(message) {
+    return Array.from(message.match(/.{8}/gi)).map(bin => ({
+      className: 'basic',
+      bin,
+      human: parseInt(bin as string, 2)
+    }));
+  },
+  int8(message) {
+    return Array.from(message.match(/.{8}/gi)).map(bin => {
+      const sign = !!(Number(bin) & 128) ? 1 : -1;
+      return {
+        className: 'basic',
+        bin,
+        human: sign * (Number(bin) & 127)
+      };
+    });
+  },
+  string(message) {
+    return Array.from(message.match(/.{8}/gi)).map((bin: string) => ({
+      className: 'basic',
+      bin,
+      human: String.fromCharCode(parseInt(bin, 2))
+    }));
+  }
+};
+
+@Component({
+  selector: 'kirjs-message',
+  templateUrl: './message.component.html',
+  styleUrls: ['./message.component.css']
+})
+export class MessageComponent implements OnInit {
+  message =
+    '0100111001100101011101100110010101110010001000000110011101101111011011100110111001100001001000000110011' +
+    '101101001011101100110010100100000011110010110111101110101001000000111010101110000001000000100111001100101011101' +
+    '100110010101110010001000000110011101101111011011100110111001100001001000000110110001100101011101000010000001111' +
+    '00101101111011101010010000001100100011011110111011101101110';
+
+  mode = 1;
+  display = 'boolean';
+
+  blocks = transforms[this.display](this.message);
+
+  constructor() {}
+
+  @Input()
+  set param(value: string) {
+    this.setDisplay(value);
+  }
+
+  setDisplay(value: string) {
+    this.display = value;
+    this.blocks = transforms[this.display](this.message);
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.html
new file mode 100644
index 000000000..410958cad
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.html
@@ -0,0 +1,8 @@
+<input type="file" (change)="upload(file)" #file />
+<label> meta <input type="checkbox" [(ngModel)]="showMeta" /> </label>
+<kirjs-binary-parent
+  (updateBinary)="updateBinary($event)"
+  [parser]="parser"
+  [binary]="binary"
+  [showMeta]="showMeta"
+></kirjs-binary-parent>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.spec.ts
new file mode 100644
index 000000000..4d9326d49
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MidiComponent } from './midi.component';
+
+describe('MidiComponent', () => {
+  let component: MidiComponent;
+  let fixture: ComponentFixture<MidiComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [MidiComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(MidiComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.ts
new file mode 100644
index 000000000..eb4e5f58d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/midi/midi.component.ts
@@ -0,0 +1,122 @@
+import { Component, OnInit } from '@angular/core';
+import { BinaryParser } from '../parser/binary-parser';
+import { BinaryReaderResult } from '../parser/readers/abstract-reader';
+import { StringBinaryReader } from '../parser/readers/string-reader';
+import { StringParser } from '../parser/parsers/string-parser';
+
+@Component({
+  selector: 'kirjs-midi',
+  templateUrl: './midi.component.html',
+  styleUrls: ['./midi.component.css']
+})
+export class MidiComponent implements OnInit {
+  showMeta = true;
+  binary: string;
+  parser: BinaryParser;
+  s: BinaryReaderResult;
+
+  constructor() {}
+
+  updateBinary(e: Event) {}
+
+  ngOnInit() {
+    this.binary = localStorage.getItem('midi');
+
+    const header = new BinaryParser()
+      .string('headerConst', { length: 4 })
+      .uInt32('6')
+      .uInt16('Single multi-channel track')
+      .uInt16('Number of tracs')
+      .uInt16('Time-code-based time');
+
+    const timeSignatureParser = new BinaryParser()
+      .uInt8('upper')
+      .uInt8('lower')
+      .uInt8('clocks')
+      .uInt8('something');
+
+    const theEnd = new BinaryParser().uInt8('00');
+
+    const metaParser = new BinaryParser()
+      .uInt8('subtype')
+      .uInt8('length')
+      .choice('value', {
+        parser(data) {
+          const type = (Object as any)
+            .values(data)
+            .find(l => l.name === 'subtype').rawValue;
+          const length = (Object as any)
+            .values(data)
+            .find(l => l.name === 'length').value;
+          const parsers = {
+            '00000011': new StringParser({ length }),
+            '00000010': new StringParser({ length }),
+            '01011000': timeSignatureParser,
+            // tempo
+            '01010001': new BinaryParser().uInt24('value'),
+            '00101111': theEnd
+          };
+
+          if (parsers[type]) {
+            return parsers[type];
+          }
+
+          // tslint:disable-next-line:no-debugger
+          debugger;
+        }
+      });
+
+    const noteSwitch = new BinaryParser()
+      .uInt8('note number')
+      .uInt8('velocity');
+
+    const instrumentChannel = new BinaryParser().uInt8('instrument');
+    const track = new BinaryParser()
+      .varuint7('delta')
+      .uInt8('type')
+      .choice('typeData', {
+        parser: data => {
+          const type = (Object as any).values(data).find(l => l.name === 'type')
+            .rawValue;
+          const parsers = {
+            '11111111': metaParser,
+            '11000000': instrumentChannel,
+            '10010000': noteSwitch,
+            '10000000': noteSwitch
+          };
+
+          if (parsers[type]) {
+            return parsers[type];
+          }
+
+          // tslint:disable-next-line:no-debugger
+          debugger;
+        }
+      });
+
+    const tracks = new BinaryParser()
+      .string('headerConst', { length: 4 })
+      .uInt32('tracklen')
+      .array('tracks', { parser: track, length: 12 });
+
+    this.parser = new BinaryParser()
+      .block('header', header)
+      .block('block', tracks);
+    this.s = this.parser.readOrdered(new StringBinaryReader(this.binary));
+  }
+
+  upload(file) {
+    const reader = new FileReader();
+
+    reader.onloadend = (e: ProgressEvent) => {
+      const result = new Uint8Array((e.target as any).result);
+      const binaries = Array.from(result)
+        .map(a => a.toString(2))
+        .map(a => (a as any).padStart(8, 0));
+      this.binary = binaries.join('');
+      localStorage.setItem('midi', this.binary);
+    };
+
+    reader.readAsArrayBuffer(file.files[0]);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/binary-parser.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/binary-parser.spec.ts
new file mode 100644
index 000000000..056fb8d8a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/binary-parser.spec.ts
@@ -0,0 +1,109 @@
+import { StringBinaryReader } from './readers/string-reader';
+import { BinaryParser } from './binary-parser';
+
+describe('BinaryParser', () => {
+  beforeEach(() => {
+    const s = 'Universal Serial Bus'
+      .split('')
+      .map(a => a.charCodeAt(0))
+      .map(a => a.toString(2))
+      .map(a => (a as any).padStart(8, 0))
+      .join('');
+    this.reader = new StringBinaryReader(s);
+  });
+
+  describe('BinaryParser', () => {
+    it('allows shortcuts', () => {
+      const parser = new BinaryParser()
+        .string('u', { length: 3 })
+        .bit1('a')
+        .bit1('b');
+
+      expect(parser.read(this.reader, {}).value).toEqual({
+        a: '0',
+        b: '1',
+        u: 'Uni'
+      });
+    });
+
+    it('allows nesting', () => {
+      const header = new BinaryParser().bit1('a').bit1('b');
+
+      const parser = new BinaryParser()
+        .block('header', header)
+        .bit1('c')
+        .bit1('d');
+
+      expect(parser.read(this.reader).value).toEqual({
+        header: { a: '0', b: '1' },
+        c: '0',
+        d: '1'
+      });
+    });
+
+    it('tracks position', () => {
+      const header = new BinaryParser().bit1('a').bit1('b');
+
+      const parser = new BinaryParser()
+        .block('header', header)
+        .bit1('c')
+        .bit1('d');
+
+      const result = parser.readOrdered(this.reader).value;
+
+      expect(result).toEqual([
+        {
+          start: 0,
+          end: 2,
+          length: 2,
+          name: 'header',
+          value: [
+            {
+              start: 0,
+              end: 1,
+              length: 1,
+              name: 'a',
+              value: '0',
+              rawValue: '0',
+              type: 'bits'
+            },
+            {
+              start: 1,
+              end: 2,
+              length: 1,
+              name: 'b',
+              value: '1',
+              rawValue: '1',
+              type: 'bits'
+            }
+          ],
+          rawValue: '01',
+          type: 'object'
+        },
+        {
+          start: 2,
+          end: 3,
+          length: 1,
+          name: 'c',
+          value: '0',
+          rawValue: '0',
+          type: 'bits'
+        },
+        {
+          start: 3,
+          end: 4,
+          length: 1,
+          name: 'd',
+          value: '1',
+          rawValue: '1',
+          type: 'bits'
+        }
+      ]);
+    });
+
+    it('allows uint16', () => {
+      const parser = new BinaryParser().uInt16('u');
+      expect(parser.read(this.reader).value).toEqual({ u: 28245 });
+    });
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/binary-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/binary-parser.ts
new file mode 100644
index 000000000..0ad924c23
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/binary-parser.ts
@@ -0,0 +1,192 @@
+import { BinaryObjectParser } from './parsers/object-parser';
+import { StringParser, StringParserConfig } from './parsers/string-parser';
+import { BinaryChoiceParser } from './parsers/choice-parser';
+import { BinaryArrayParser } from './parsers/array-parser';
+import { BitParser } from './parsers/bit-parser';
+import { VarUintParser, VarUintParserConfig } from './parsers/var-uint-parser';
+import { BinaryReader } from './readers/abstract-reader';
+import { beToLe32 } from './parsers/common';
+
+export interface BaseConfig {
+  description?: string;
+  length?: number;
+  type?: string;
+  converter?: (a: string) => number;
+  enum?: { [key: string]: string };
+}
+
+export class BinaryParser {
+  type = 'object';
+  private parser: BinaryObjectParser;
+
+  constructor() {
+    this.parser = new BinaryObjectParser();
+  }
+
+  string(name: string, config: StringParserConfig) {
+    this.parser.addStep(name, new StringParser(config));
+    return this;
+  }
+
+  varuint7(name: string, config: Partial<VarUintParserConfig> = {}) {
+    this.parser.addStep(name, new VarUintParser(config));
+    return this;
+  }
+
+  varuint31(name: string, config: Partial<VarUintParserConfig> = {}) {
+    this.parser.addStep(
+      name,
+      new VarUintParser({
+        ...config,
+        size: 31
+      })
+    );
+    return this;
+  }
+
+  choice(name: string, config: any) {
+    this.parser.addStep(name, new BinaryChoiceParser({ ...config }));
+    return this;
+  }
+
+  array(name: string, config: any) {
+    this.parser.addStep(name, new BinaryArrayParser({ ...config }));
+    return this;
+  }
+
+  bit(name: string, config: any) {
+    this.parser.addStep(name, new BitParser({ ...config }));
+    return this;
+  }
+
+  block(name: string, parser) {
+    this.parser.addStep(name, parser);
+    return this;
+  }
+
+  constBits(value, config?: Partial<BaseConfig>) {
+    return this.bit('const', {
+      length: value.length,
+      type: 'const',
+      ...config
+    });
+  }
+
+  boolean(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 1, type: 'boolean', ...config });
+  }
+
+  bit1(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 1, ...config });
+  }
+
+  bit2(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 2, ...config });
+  }
+
+  bit3(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 3, ...config });
+  }
+
+  bit8(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 8, ...config });
+  }
+
+  bit32(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 32, ...config });
+  }
+  bit24(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 24, ...config });
+  }
+
+  object(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, { length: 1, ...config });
+  }
+
+  uInt16(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, {
+      type: 'number',
+      length: 16,
+      converter: a => {
+        return parseInt(a.slice(8) + a.slice(0, 8), 2);
+      },
+      ...config
+    });
+  }
+
+  uInt24(name: string, config: any = {}) {
+    return this.bit(name, {
+      type: 'number',
+      length: 24,
+      converter: a => {
+        return parseInt(a, 2);
+      },
+      ...config
+    });
+  }
+
+  uInt32(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, {
+      type: 'number',
+      length: 32,
+      converter: a => {
+        return parseInt(a, 2);
+      },
+      ...config
+    });
+  }
+
+  uInt32le(name: string, config?: Partial<BaseConfig>) {
+    return this.uInt32(name, {
+      converter: a => {
+        return beToLe32(parseInt(a, 2));
+      },
+      ...config
+    });
+  }
+
+  uInt8(name: string, config?: Partial<BaseConfig>) {
+    return this.bit(name, {
+      type: 'number',
+      subtype: 'uint8',
+      length: 8,
+      converter: a => {
+        return parseInt(a, 2);
+      },
+      ...config
+    });
+  }
+
+  hex(name: string, config?: Partial<BaseConfig>) {
+    if (typeof config.length === 'function') {
+      // tslint:disable-next-line:no-debugger
+      debugger;
+      // TODO
+    }
+
+    return this.bit(name, {
+      type: 'hex',
+      converter: data => {
+        return Array.from(data.match(/.{4}/g))
+          .map(a => parseInt(a.toString(), 2))
+          .map(a => a.toString(16))
+          .join('');
+      },
+      ...config,
+      length: config.length * 4
+    });
+  }
+
+  read(reader, data: any = {}) {
+    return this.parser.read(reader, data);
+  }
+
+  readOrdered(reader: BinaryReader, data: any = [], start = 0) {
+    const v = this.parser.readOrdered(reader, data, start);
+
+    return {
+      start: start,
+      ...v
+    };
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/abstract-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/abstract-parser.ts
new file mode 100644
index 000000000..5e95e6da3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/abstract-parser.ts
@@ -0,0 +1,16 @@
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+
+export abstract class AbstractBinaryParser {
+  type: string;
+
+  abstract read(
+    reader: BinaryReader,
+    data: BinaryReaderResult
+  ): BinaryReaderResult;
+
+  abstract readOrdered(
+    reader: BinaryReader,
+    data: any[],
+    start: number
+  ): BinaryReaderResult;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/array-parser.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/array-parser.spec.ts
new file mode 100644
index 000000000..a0caf196d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/array-parser.spec.ts
@@ -0,0 +1,41 @@
+import { StringParser } from './string-parser';
+import { BinaryArrayParser } from './array-parser';
+import { StringBinaryReader } from '../readers/string-reader';
+
+describe('array parser', () => {
+  beforeEach(() => {
+    const s = 'Universal Serial Bus'
+      .split('')
+      .map(a => a.charCodeAt(0))
+      .map(a => a.toString(2))
+      .map(a => (a as any).padStart(8, 0))
+      .join('');
+    this.reader = new StringBinaryReader(s);
+  });
+
+  it('can read one letter', () => {
+    const parser = new BinaryArrayParser({
+      length: 2,
+      parser: new StringParser({ length: 2 })
+    });
+    expect(parser.read(this.reader).value).toEqual(['Un', 'iv']);
+  });
+
+  it('can read one letter', () => {
+    const parser = new BinaryArrayParser({
+      parser: new StringParser({ length: 2 })
+    });
+    expect(parser.read(this.reader).value).toEqual([
+      'Un',
+      'iv',
+      'er',
+      'sa',
+      'l ',
+      'Se',
+      'ri',
+      'al',
+      ' B',
+      'us'
+    ]);
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/array-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/array-parser.ts
new file mode 100644
index 000000000..c9d55360b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/array-parser.ts
@@ -0,0 +1,75 @@
+import { AbstractBinaryParser } from './abstract-parser';
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+import { resolveFunctionOrvalue, resolveLengthOrdered } from '../utils';
+
+export class BinaryArrayParser extends AbstractBinaryParser {
+  type = 'array';
+
+  constructor(private config) {
+    super();
+  }
+
+  read(
+    reader: BinaryReader,
+    data: BinaryReaderResult = {}
+  ): BinaryReaderResult {
+    let len = resolveFunctionOrvalue(this.config.length, data) || Infinity;
+    let raw = '';
+    const value = [];
+
+    while (len > 0 && reader.hasMore()) {
+      const result = this.config.parser.read(reader, data);
+      raw += result.raw;
+      value.push(result.value);
+      len--;
+    }
+
+    return { value, raw };
+  }
+
+  readOrdered(
+    reader: BinaryReader,
+    data: BinaryReaderResult = [],
+    start = 0
+  ): BinaryReaderResult {
+    let numberOfElements = resolveLengthOrdered(this.config.length, data);
+    if (numberOfElements === undefined) {
+      numberOfElements = Infinity;
+    }
+
+    let rawValue = '';
+    const value = [];
+
+    let len = 0;
+    let index = 0;
+
+    while (numberOfElements > 0 && reader.hasMore()) {
+      index++;
+      const result = this.config.parser.readOrdered(reader, data, start + len);
+      rawValue += result.rawValue;
+
+      const length = result.rawValue.length;
+      value.push({
+        start: start + len,
+        end: start + len + length,
+        length,
+        index,
+        type: this.config.parser.type,
+        value: result.value,
+        rawValue: result.rawValue
+      });
+      len += length;
+      numberOfElements--;
+    }
+
+    return {
+      name: this.config.name,
+      start,
+      length: len,
+      end: start + len,
+      value,
+      rawValue,
+      type: this.type
+    };
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/bit-parser.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/bit-parser.spec.ts
new file mode 100644
index 000000000..a77c59fcf
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/bit-parser.spec.ts
@@ -0,0 +1,38 @@
+import { StringBinaryReader } from '../readers/string-reader';
+import { BitParser } from './bit-parser';
+
+describe('BinaryParser', () => {
+  beforeEach(() => {
+    const s = 'Universal Serial Bus'
+      .split('')
+      .map(a => a.charCodeAt(0))
+      .map(a => a.toString(2))
+      .map(a => (a as any).padStart(8, 0))
+      .join('');
+    this.reader = new StringBinaryReader(s);
+  });
+
+  describe('bit parser', () => {
+    it('can read 3 bit bit', () => {
+      const parser = new BitParser({ length: 3 });
+      const results = parser.read(this.reader);
+      expect(results.value).toBe('010');
+      expect(results.rawValue).toBe('010');
+    });
+
+    it('takes a length function', () => {
+      const parser = new BitParser({ length: () => 3 });
+
+      const result = parser.read(this.reader);
+      expect(result.value).toBe('010');
+      expect(result.rawValue).toBe('010');
+    });
+
+    it('takes a length function which can use existing data', () => {
+      const parser = new BitParser({ length: data => data.len });
+      const result = parser.read(this.reader, { len: 3 });
+      expect(result.value).toBe('010');
+      expect(result.rawValue).toBe('010');
+    });
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/bit-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/bit-parser.ts
new file mode 100644
index 000000000..af42e657a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/bit-parser.ts
@@ -0,0 +1,71 @@
+import { AbstractBinaryParser } from './abstract-parser';
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+import {
+  resolveByKey,
+  resolveFunctionKeyOrValue,
+  resolveOrderedByKey
+} from '../utils';
+
+export class BitParser extends AbstractBinaryParser {
+  type = 'bits';
+
+  constructor(private config) {
+    super();
+    this.type = config.type || this.type;
+  }
+
+  readWithLength(
+    reader: BinaryReader,
+    data: BinaryReaderResult = [],
+    len: number
+  ) {
+    const rawValue = reader.read(len);
+    const converter = this.config.converter || (a => a);
+    return { value: converter(rawValue), rawValue };
+  }
+
+  read(
+    reader: BinaryReader,
+    data: BinaryReaderResult = {}
+  ): BinaryReaderResult {
+    const len = resolveFunctionKeyOrValue(
+      this.config.length,
+      data,
+      resolveByKey
+    );
+    return this.readWithLength(reader, data, len);
+  }
+
+  readOrdered(
+    reader: BinaryReader,
+    data: BinaryReaderResult = [],
+    start = 0
+  ): BinaryReaderResult {
+    if (start === 0) {
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+
+    const len = resolveFunctionKeyOrValue(
+      this.config.length,
+      data,
+      resolveOrderedByKey
+    );
+    const result = this.readWithLength(reader, data, len);
+    const length = result.rawValue.length;
+    const end = start + length;
+
+    return {
+      displayValue:
+        (this.config && this.config.enum && this.config.enum[result.value]) ||
+        result.value,
+      start,
+      length,
+      end,
+      ...result,
+      type: this.type,
+      description: this.config && this.config.description,
+      unconverter: this.config.unconverter
+    };
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/choice-parser.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/choice-parser.spec.ts
new file mode 100644
index 000000000..5433a1aca
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/choice-parser.spec.ts
@@ -0,0 +1,44 @@
+import { StringBinaryReader } from '../readers/string-reader';
+import { BitParser } from './bit-parser';
+import { BinaryChoiceParser } from './choice-parser';
+import { StringParser } from './string-parser';
+
+describe('BinaryParser', () => {
+  beforeEach(() => {
+    const s = 'Universal Serial Bus'
+      .split('')
+      .map(a => a.charCodeAt(0))
+      .map(a => a.toString(2))
+      .map(a => (a as any).padStart(8, 0))
+      .join('');
+    this.reader = new StringBinaryReader(s);
+  });
+
+  describe('choice parser', () => {
+    it('can read one letter', () => {
+      const parser = new BinaryChoiceParser({
+        key: ({ p }) => p,
+        values: {
+          '1': new BitParser({ length: 8 }),
+          '2': new StringParser({ length: 2 })
+        }
+      });
+      expect(parser.read(this.reader, { p: '1' }).value).toEqual('01010101');
+      expect(parser.read(this.reader, { p: '2' }).value).toEqual('ni');
+    });
+
+    it('can read one letter', () => {
+      const parser = new BinaryChoiceParser({
+        key: ({ p }) => p,
+        values: {
+          '1': new BitParser({ length: 8 }),
+          '2': new StringParser({ length: 2 })
+        }
+      });
+      expect(parser.readOrdered(this.reader, { p: '1' }).value).toEqual(
+        '01010101'
+      );
+      expect(parser.readOrdered(this.reader, { p: '2' }).value).toEqual('ni');
+    });
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/choice-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/choice-parser.ts
new file mode 100644
index 000000000..0fc48acb8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/choice-parser.ts
@@ -0,0 +1,54 @@
+import { AbstractBinaryParser } from './abstract-parser';
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+import { resolveByKey, resolveOrderedByKey } from '../utils';
+
+export class BinaryChoiceParser extends AbstractBinaryParser {
+  constructor(private config) {
+    super();
+  }
+
+  get type() {
+    return 'bich';
+  }
+
+  read(
+    reader: BinaryReader,
+    data: BinaryReaderResult = []
+  ): BinaryReaderResult {
+    return this.getParser(data, resolveByKey).read(reader, data);
+  }
+
+  getParser(data, resolver) {
+    let parser: AbstractBinaryParser;
+
+    if (this.config.key) {
+      const keyValue = resolver(this.config.key, data);
+      parser = this.config.values[keyValue];
+    }
+
+    if (this.config.parser) {
+      parser = this.config.parser(data);
+    }
+
+    if (!parser) {
+      // tslint:disable-next-line:no-debugger
+      debugger;
+    }
+
+    return parser;
+  }
+
+  readOrdered(
+    reader: BinaryReader,
+    data: BinaryReaderResult = [],
+    start = 0
+  ): BinaryReaderResult {
+    const parser = this.getParser(data, resolveOrderedByKey);
+    const { value, rawValue, description } = parser.readOrdered(
+      reader,
+      data,
+      start
+    );
+    return { start, value, rawValue, type: parser.type, description };
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/common.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/common.ts
new file mode 100644
index 000000000..3e8e2c313
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/common.ts
@@ -0,0 +1,30 @@
+export interface ParserConfig {
+  description?: string;
+}
+
+export enum Endianness {
+  BIG = 1,
+  LITTLE
+}
+
+export interface BinaryParserConfig {
+  endianness: Endianness.BIG;
+}
+
+export const defaultConfig: BinaryParserConfig = {
+  endianness: Endianness.BIG
+};
+
+export function beToLe32(val) {
+  return (
+    ((val & 0xff) << 24) |
+    ((val & 0xff00) << 8) |
+    ((val >> 8) & 0xff00) |
+    ((val >> 24) & 0xff)
+  );
+}
+
+export interface ReadResult {
+  parent: ReadResult | null;
+  results: ReadResult[];
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/debugger-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/debugger-parser.ts
new file mode 100644
index 000000000..6c450819e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/debugger-parser.ts
@@ -0,0 +1,15 @@
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+
+export abstract class DebuggerParser {
+  type = 'debugger';
+
+  read(reader: BinaryReader, data: BinaryReaderResult) {
+    // tslint:disable-next-line:no-debugger
+    debugger;
+  }
+
+  readOrdered(reader: BinaryReader, data: BinaryReaderResult) {
+    // tslint:disable-next-line:no-debugger
+    debugger;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/first-bit-parser.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/first-bit-parser.spec.ts
new file mode 100644
index 000000000..002adbda2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/first-bit-parser.spec.ts
@@ -0,0 +1,27 @@
+import { StringBinaryReader } from '../readers/string-reader';
+import { VarUintParser } from './var-uint-parser';
+
+fdescribe('FirstBitParse', () => {
+  it('can read 1 byte', () => {
+    const reader = new StringBinaryReader('0111111111111111');
+    const result = new VarUintParser().read(reader);
+    expect(result.rawValue).toEqual('01111111');
+  });
+  it('can read 1 byte', () => {
+    const reader = new StringBinaryReader('11111111');
+    const result = new VarUintParser().read(reader);
+    expect(result.rawValue).toEqual('11111111');
+  });
+
+  it('can read 2 bytes', () => {
+    const reader = new StringBinaryReader('1111111101111111111');
+    const result = new VarUintParser().read(reader);
+    expect(result.rawValue).toEqual('1111111101111111');
+  });
+
+  it('can read 3 bytes', () => {
+    const reader = new StringBinaryReader('111111111111111101111111111');
+    const result = new VarUintParser().read(reader);
+    expect(result.rawValue).toEqual('111111111111111101111111');
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/object-parser.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/object-parser.spec.ts
new file mode 100644
index 000000000..5d30efb7c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/object-parser.spec.ts
@@ -0,0 +1,97 @@
+import { StringBinaryReader } from '../readers/string-reader';
+import { BinaryObjectParser } from './object-parser';
+import { BitParser } from './bit-parser';
+
+describe('BinaryParser', () => {
+  beforeEach(() => {
+    const s = 'Universal Serial Bus'
+      .split('')
+      .map(a => a.charCodeAt(0))
+      .map(a => a.toString(2))
+      .map(a => (a as any).padStart(8, 0))
+      .join('');
+    this.reader = new StringBinaryReader(s);
+  });
+
+  describe('BinaryObjectParser', () => {
+    it('can read simple bits', () => {
+      const parser = new BinaryObjectParser();
+      parser.addStep('a', new BitParser({ length: 1 }));
+      parser.addStep('b', new BitParser({ length: 2 }));
+      parser.addStep('c', new BitParser({ length: 1 }));
+
+      const result = parser.read(this.reader);
+      expect(result.value).toEqual({
+        a: '0',
+        b: '10',
+        c: '1'
+      });
+    });
+
+    it('can read nested objects', () => {
+      const parser = new BinaryObjectParser();
+      parser.addStep('a', new BitParser({ length: 1 }));
+
+      const innerParser = new BinaryObjectParser();
+      innerParser.addStep('a', new BitParser({ length: 1 }));
+      innerParser.addStep('b', new BitParser({ length: 1 }));
+      parser.addStep('inner', innerParser);
+      parser.addStep('b', new BitParser({ length: 1 }));
+      const result = parser.read(this.reader);
+      expect(result.value).toEqual({
+        a: '0',
+        inner: {
+          a: '1',
+          b: '0'
+        },
+        b: '1'
+      });
+    });
+
+    it('can read nested objects', () => {
+      const parser = new BinaryObjectParser();
+      parser.addStep('a', new BitParser({ length: 1 }));
+
+      const innerParser = new BinaryObjectParser();
+      innerParser.addStep('a', new BitParser({ length: 1 }));
+      innerParser.addStep('b', new BitParser({ length: 1 }));
+      parser.addStep('inner', innerParser);
+      parser.addStep('b', new BitParser({ length: 1 }));
+      const result = parser.readOrdered(this.reader);
+
+      expect(result.value).toEqual([
+        {
+          name: 'a',
+          value: '0',
+          rawValue: '0',
+          type: 'bits'
+        },
+        {
+          name: 'inner',
+          value: [
+            {
+              name: 'a',
+              value: '1',
+              rawValue: '1',
+              type: 'bits'
+            },
+            {
+              name: 'b',
+              value: '0',
+              rawValue: '0',
+              type: 'bits'
+            }
+          ],
+          rawValue: '10',
+          type: 'object'
+        },
+        {
+          name: 'b',
+          value: '1',
+          rawValue: '1',
+          type: 'bits'
+        }
+      ]);
+    });
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/object-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/object-parser.ts
new file mode 100644
index 000000000..466e2ec75
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/object-parser.ts
@@ -0,0 +1,83 @@
+import { AbstractBinaryParser } from './abstract-parser';
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+
+export class BinaryObjectParser extends AbstractBinaryParser {
+  type = 'object';
+
+  steps: {
+    name: string;
+    description?: string;
+    parser: AbstractBinaryParser;
+  }[] = [];
+
+  addStep(name: string, parser: AbstractBinaryParser) {
+    this.steps.push({ name, parser });
+  }
+
+  read(
+    reader: BinaryReader,
+    data: BinaryReaderResult = {}
+  ): BinaryReaderResult {
+    let raw = '';
+    const val = this.steps.reduce((result, step) => {
+      const { value, rawValue } = step.parser.read(reader, result);
+      result[step.name] = value;
+      raw += rawValue;
+      return result;
+    }, {});
+
+    return { value: val, rawValue: raw };
+  }
+
+  readOrdered(
+    reader: BinaryReader,
+    data: BinaryReaderResult = [],
+    start = 0
+  ): BinaryReaderResult {
+    let raw = '';
+    let len = 0;
+
+    const value = this.steps.reduce((result, step) => {
+      const {
+        value,
+        rawValue,
+        type,
+        description,
+        displayValue
+      } = step.parser.readOrdered(
+        reader,
+        [...result, { name: '_parent', value: data }],
+        start + len
+      );
+      raw += rawValue;
+      if (!type) {
+        // tslint:disable-next-line:no-debugger
+        debugger;
+      }
+
+      len += rawValue.length;
+      result.push({
+        start: start + len - rawValue.length,
+        end: start + len,
+        length: rawValue.length,
+        name: step.name,
+        description,
+        value,
+        displayValue,
+        rawValue,
+        type
+      });
+
+      return result;
+    }, []);
+
+    return {
+      start,
+      length: len,
+      end: start + len,
+      value,
+      rawValue: raw,
+      type: 'object'
+    };
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/string-parser.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/string-parser.spec.ts
new file mode 100644
index 000000000..294fd68b7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/string-parser.spec.ts
@@ -0,0 +1,66 @@
+import { BinaryParser } from '../binary-parser';
+import { StringParser } from './string-parser';
+import { StringBinaryReader } from '../readers/string-reader';
+
+describe('BinaryParser', () => {
+  beforeEach(() => {
+    const s = 'Universal Serial Bus'
+      .split('')
+      .map(a => a.charCodeAt(0))
+      .map(a => a.toString(2))
+      .map(a => (a as any).padStart(8, 0))
+      .join('');
+    this.reader = new StringBinaryReader(s);
+  });
+
+  fdescribe('string parser', () => {
+    it('can read one letter', () => {
+      const parser = new StringParser({ length: 1 });
+      expect(parser.read(this.reader).value).toBe('U');
+    });
+
+    it('can read 3 letttes', () => {
+      const parser = new StringParser({ length: 3 });
+      expect(parser.read(this.reader).value).toBe('Uni');
+    });
+
+    describe('readuntil', () => {
+      const s = 'lollol'
+        .split('')
+        .map(a => a.charCodeAt(0))
+        .map(a => a.toString(2))
+        .map(a => (a as any).padStart(8, 0))
+        .join('');
+
+      const s2 = 'ogogog'
+        .split('')
+        .map(a => a.charCodeAt(0))
+        .map(a => a.toString(2))
+        .map(a => (a as any).padStart(8, 0))
+        .join('');
+
+      it('can read until 00', () => {
+        this.reader = new StringBinaryReader(s + '00000000' + s2);
+        const parser = new StringParser({ readUntil: '00000000' });
+        const binaryReaderResult = parser.readOrdered(this.reader);
+        expect(binaryReaderResult.value).toBe('lollol');
+      });
+
+      it('Reads the whole thing if no 00', () => {
+        this.reader = new StringBinaryReader(s + '01010101' + s2);
+        const parser = new StringParser({ readUntil: '00000000' });
+        const binaryReaderResult = parser.readOrdered(this.reader);
+        expect(binaryReaderResult.value).toBe('lollolUogogog');
+      });
+    });
+
+    it('can read ordered 3 letttes', () => {
+      const parser = new StringParser({ length: 3 });
+      const binaryReaderResult = parser.readOrdered(this.reader);
+      expect(binaryReaderResult.value).toBe('Uni');
+      expect(binaryReaderResult.start).toBe(0);
+      expect(binaryReaderResult.end).toBe(24);
+      expect(binaryReaderResult.length).toBe(24);
+    });
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/string-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/string-parser.ts
new file mode 100644
index 000000000..59c121851
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/string-parser.ts
@@ -0,0 +1,73 @@
+import { AbstractBinaryParser } from './abstract-parser';
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+import {
+  resolveFunctionKeyOrValue,
+  resolveFunctionOrvalue,
+  resolveLengthOrdered
+} from '../utils';
+import { ParserConfig } from './common';
+
+function bytesToChar(a) {
+  return String.fromCharCode(parseInt(a, 2));
+}
+
+export interface StringParserConfig extends ParserConfig {
+  length?: number | Function | string;
+  readUntil?: string;
+}
+
+export class StringParser extends AbstractBinaryParser {
+  type = 'string';
+
+  constructor(private config: StringParserConfig) {
+    super();
+  }
+
+  read(
+    reader: BinaryReader,
+    data: BinaryReaderResult = {},
+    start = 0
+  ): BinaryReaderResult {
+    if (this.config.readUntil) {
+      let value = '';
+      let rawValue = '';
+
+      while (
+        reader.peak(this.config.readUntil.length) !== this.config.readUntil &&
+        reader.peak(this.config.readUntil.length) > 0
+      ) {
+        const letter = reader.read(8);
+        value += bytesToChar(letter);
+        rawValue += letter;
+      }
+
+      return { value, rawValue };
+    } else {
+      const len = resolveLengthOrdered(this.config.length, data) * 8;
+      const rawValue = reader.read(len);
+      const value = rawValue
+        .match(/.{8}/g)
+        .map(bytesToChar)
+        .join('');
+      return { value, rawValue };
+    }
+  }
+
+  readOrdered(
+    reader: BinaryReader,
+    data: BinaryReaderResult = [],
+    start = 0
+  ): BinaryReaderResult {
+    const result = this.read(reader, data);
+    const length = start + result.rawValue.length;
+    const end = start + length;
+    return {
+      ...result,
+      type: this.type,
+      description: this.config.description,
+      start,
+      end,
+      length
+    };
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/var-uint-parser.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/var-uint-parser.ts
new file mode 100644
index 000000000..d02203a2e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/parsers/var-uint-parser.ts
@@ -0,0 +1,61 @@
+import { AbstractBinaryParser } from './abstract-parser';
+import { BinaryReader, BinaryReaderResult } from '../readers/abstract-reader';
+import { BaseConfig } from '../binary-parser';
+
+export interface VarUintParserConfig extends BaseConfig {
+  size?: number;
+}
+
+export const defaultVarUintParserConfig = {
+  size: 7
+};
+
+export class VarUintParser extends AbstractBinaryParser {
+  type = 'bits';
+
+  constructor(
+    private config: VarUintParserConfig = defaultVarUintParserConfig
+  ) {
+    super();
+    this.type = config.type || this.type;
+  }
+
+  static converter(n: string) {
+    return parseInt(n, 2);
+  }
+
+  read(
+    reader: BinaryReader,
+    data: BinaryReaderResult = {}
+  ): BinaryReaderResult {
+    let hasNext = true;
+    let value = '';
+    let rawValue = '';
+    const size = this.config.size || 7;
+
+    let i = 100;
+    while (hasNext) {
+      const firstBit = reader.read(1);
+      hasNext = !!+firstBit;
+      rawValue += firstBit;
+      const result = reader.read(size);
+      value += result;
+      rawValue += result;
+      if (i-- < 1) {
+        // tslint:disable-next-line:no-debugger
+        debugger;
+      }
+    }
+
+    const converter = this.config.converter || VarUintParser.converter;
+    return { value: converter(rawValue), rawValue };
+  }
+
+  readOrdered(
+    reader: BinaryReader,
+    data: BinaryReaderResult = [],
+    start = 0
+  ): BinaryReaderResult {
+    return { ...this.read(reader, data), type: this.type };
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/readers/abstract-reader.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/readers/abstract-reader.ts
new file mode 100644
index 000000000..c8cba8e92
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/readers/abstract-reader.ts
@@ -0,0 +1,8 @@
+export type BinaryReaderResult = any;
+
+export abstract class BinaryReader {
+  abstract read(bits: number);
+  abstract peak(bits: number);
+
+  abstract hasMore(): boolean;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/readers/string-reader.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/readers/string-reader.ts
new file mode 100644
index 000000000..0eca46185
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/readers/string-reader.ts
@@ -0,0 +1,21 @@
+import { BinaryReader, BinaryReaderResult } from './abstract-reader';
+
+export class StringBinaryReader implements BinaryReader {
+  private index = 0;
+
+  constructor(private s: string) {}
+
+  hasMore() {
+    return this.index < this.s.length;
+  }
+
+  peak(bits: number): BinaryReaderResult {
+    return this.s.slice(this.index, this.index + bits);
+  }
+
+  read(bits: number): BinaryReaderResult {
+    this.index += bits;
+    const result = this.s.slice(this.index - bits, this.index);
+    return result;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/parser/utils.ts b/codelab-master/apps/kirjs/src/app/modules/binary/parser/utils.ts
new file mode 100644
index 000000000..4891b0696
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/parser/utils.ts
@@ -0,0 +1,42 @@
+export function resolveLengthOrdered(functionOrValue, data) {
+  if (typeof functionOrValue === 'string') {
+    return resolveOrderedByKey(functionOrValue, data);
+  }
+  return typeof functionOrValue === 'function'
+    ? functionOrValue(data)
+    : functionOrValue;
+}
+
+export function resolveFunctionOrvalue(functionOrValue, arg) {
+  return typeof functionOrValue === 'function'
+    ? functionOrValue(arg)
+    : functionOrValue;
+}
+
+export function resolveFunctionKeyOrValue(val, data, resolve) {
+  if (typeof val === 'string') {
+    return resolve(val, data);
+  }
+
+  if (typeof val === 'function') {
+    return val(data, resolve);
+  }
+
+  return val;
+}
+
+export function resolveOrderedByKey(key: string, data: any[]) {
+  return Object.values(data).find(a => a.name === key).value;
+}
+
+export function resolveByKey(key: string, data: any) {
+  return data[key];
+}
+
+export function strToBin(str) {
+  return str
+    .split('')
+    .map(a => a.charCodeAt(0))
+    .map(a => a.toString(2).padStart(8, 0))
+    .join('');
+}
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diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/pics/photo.jpg b/codelab-master/apps/kirjs/src/app/modules/binary/pics/photo.jpg
new file mode 100644
index 000000000..4ef9143b8
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diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/pics/zoom.gif b/codelab-master/apps/kirjs/src/app/modules/binary/pics/zoom.gif
new file mode 100644
index 000000000..edce46f3f
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diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/shared.ts b/codelab-master/apps/kirjs/src/app/modules/binary/shared.ts
new file mode 100644
index 000000000..7cf3100ee
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/shared.ts
@@ -0,0 +1,6 @@
+export function bin2hex(bin: string) {
+  return bin
+    .match(/.{8}/gi)
+    .map(a => (parseInt(a, 2).toString(16) as any).padStart(2, 0))
+    .join('');
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.css b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.css
new file mode 100644
index 000000000..3f196fa8b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.css
@@ -0,0 +1,16 @@
+h2 {
+  font-size: 5vw !important;
+  line-height: 5vw !important;
+}
+
+h3 {
+  font-size: 3vw;
+  color: #444;
+}
+
+:host ::ng-deep .book {
+  width: 40vw;
+  height: 100vw;
+  background-repeat: no-repeat;
+  background-size: 40vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.html b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.html
new file mode 100644
index 000000000..41a7a9663
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.html
@@ -0,0 +1,7 @@
+<div style="display: flex;">
+  <div><ng-content></ng-content></div>
+  <div style="margin-left: 2vw;">
+    <h2>{{ title }}</h2>
+    <h3>{{ author }}</h3>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.spec.ts
new file mode 100644
index 000000000..ac13a3149
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ToReadComponent } from './to-read.component';
+
+describe('ToReadComponent', () => {
+  let component: ToReadComponent;
+  let fixture: ComponentFixture<ToReadComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ToReadComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ToReadComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.ts b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.ts
new file mode 100644
index 000000000..cb522e58e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/binary/to-read/to-read.component.ts
@@ -0,0 +1,14 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-to-read',
+  templateUrl: './to-read.component.html',
+  styleUrls: ['./to-read.component.css']
+})
+export class ToReadComponent implements OnInit {
+  @Input() author: string;
+  @Input() title: string;
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.css b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.css
new file mode 100644
index 000000000..8830b0e3d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.css
@@ -0,0 +1,20 @@
+.cell {
+  border: 1px #888 solid;
+  margin-left: -1px;
+  margin-top: -5px;
+}
+
+.cell.cell-x {
+  border: none;
+}
+.cell-1 {
+  background: black;
+}
+
+.board,
+.cell {
+  display: inline-block;
+}
+
+.line {
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.html b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.html
new file mode 100644
index 000000000..3f810d91e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.html
@@ -0,0 +1,10 @@
+<div class="board">
+  <div *ngFor="let line of pattern" style="display: flex;">
+    <div
+      *ngFor="let cell of line"
+      class="cell cell-{{ cell }}"
+      [style.height.px]="cellHeight"
+      [style.width.px]="cellWidth"
+    ></div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.spec.ts
new file mode 100644
index 000000000..64e8a847d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BoardComponent } from './board.component';
+
+describe('BoardComponent', () => {
+  let component: BoardComponent;
+  let fixture: ComponentFixture<BoardComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BoardComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BoardComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should be created', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.ts
new file mode 100644
index 000000000..c71fcaa5f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/board/board.component.ts
@@ -0,0 +1,36 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-board',
+  templateUrl: './board.component.html',
+  styleUrls: ['./board.component.css']
+})
+export class BoardComponent implements OnInit {
+  @Input() pattern;
+  @Input() cellHeight = 50;
+  @Input() cellWidth = 50;
+  @Input() transform;
+  @Input() playing = false;
+  @Input() delay = 500;
+
+  constructor() {}
+
+  public play() {
+    this.playing = true;
+  }
+
+  runTransform() {
+    if (this.playing) {
+      this.pattern = this.transform(this.pattern);
+    }
+    setTimeout(() => {
+      this.runTransform();
+    }, this.delay);
+  }
+
+  ngOnInit() {
+    if (this.transform) {
+      this.runTransform();
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation-routing.module.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation-routing.module.ts
new file mode 100644
index 000000000..9ee8b6eb0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation-routing.module.ts
@@ -0,0 +1,17 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { SlidesRoutes } from '@ng360/slides';
+
+import { CellularAutomationComponent } from './cellular-automation.component';
+import { CellularAutomationModule } from './cellular-automation.module';
+
+const routes = RouterModule.forChild(
+  SlidesRoutes.get(CellularAutomationComponent)
+);
+
+@NgModule({
+  imports: [routes, CellularAutomationModule],
+  declarations: [],
+  exports: []
+})
+export class CellularAutomationRoutingModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.css b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.css
new file mode 100644
index 000000000..c3df37951
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.css
@@ -0,0 +1,161 @@
+h2 {
+  font-weight: 800;
+}
+
+pre {
+  font-size: 24px;
+}
+
+.empty-slide {
+  width: 400px;
+  height: 250px;
+  border: 1px solid #000;
+  margin-left: 300px;
+  margin-top: 10px;
+  -webkit-box-shadow: 10px 10px 5px 0px rgba(181, 172, 181, 1);
+  -moz-box-shadow: 10px 10px 5px 0px rgba(181, 172, 181, 1);
+  box-shadow: 10px 10px 5px 0px rgba(181, 172, 181, 1);
+}
+
+.html-elements {
+  font-size: 28px;
+  margin-top: 20px;
+  margin-left: 24px;
+}
+
+.kirjs {
+  width: 800px;
+  height: 300px;
+
+  background: url(intro/kirjs.png) no-repeat;
+  background-size: 100%;
+  margin: 0 auto;
+}
+
+.rules {
+  display: flex;
+}
+
+.play:hover {
+  background-color: #d6510f;
+}
+
+.play {
+  font-size: 14px;
+  padding: 5px;
+  text-align: center;
+  cursor: pointer;
+  margin-left: 20px;
+  margin-top: 10px;
+  background-color: #000000;
+  color: #ffffee;
+  height: 30px;
+  width: 30px;
+}
+
+.grid-header {
+  margin-top: 20px;
+  display: flex;
+}
+
+.img-wolfram {
+  width: 400px;
+  height: 400px;
+  background: url('intro/wolfram.jpg');
+}
+
+.img-moore {
+  width: 400px;
+  height: 400px;
+  background: url('intro/moore.jpg') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-neuman {
+  width: 400px;
+  height: 400px;
+  background: url('intro/JohnvonNeumann.gif') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-conway {
+  width: 600px;
+  height: 400px;
+  background: url('intro/Conway_.jpg') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.neighborhood {
+  display: flex;
+}
+
+.img-gun {
+  width: 800px;
+  height: 600px;
+  background: url('intro/Gosperglidergun.gif') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-turing {
+  width: 800px;
+  height: 800px;
+  background: url('intro/turing.gif') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-mp {
+  width: 800px;
+  height: 800px;
+  background: url('intro/metapixel.png') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-30 {
+  width: 800px;
+  height: 800px;
+  background: url('intro/30.png') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-30-2 {
+  width: 800px;
+  height: 800px;
+  background: url('intro/30-2.png') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-gosper {
+  width: 800px;
+  height: 800px;
+  background: url('intro/Bill_Gosper_2006.jpg') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-cave {
+  width: 800px;
+  height: 800px;
+  background: url('intro/maze.png') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+.img-nks {
+  width: 800px;
+  height: 800px;
+  background: url('intro/nks.jpg') no-repeat;
+  background-size: 100%;
+  margin-right: 50px;
+}
+
+:host /deep/ .slide {
+  display: block;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.html b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.html
new file mode 100644
index 000000000..9280bac7b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.html
@@ -0,0 +1,918 @@
+<slide-deck slideShortcuts slidesRouting kirjs-tracking>
+  <div style="position: absolute; right: 1vw; bottom: 1vh">
+    <feedback-widget></feedback-widget>
+  </div>
+
+  <!--<kirjs-progress-bar></kirjs-progress-bar>-->
+  <slide-arrows></slide-arrows>
+
+  <!--  INTRO -->
+  <div *slide id="intro"><div class="kirjs"></div></div>
+
+  <div *slide id="set-of-cells">
+    <h1>Grid</h1>
+    <kirjs-board
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 0, 0, 0, 0, 0, 0, 0, 0]]"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="cells-with-state">
+    <h1>Rules</h1>
+    <div class="rules">
+      <div class="rule" style="margin-right: 50px;">
+        <kirjs-board [pattern]="[[0]]"></kirjs-board>
+        <div class="arrow" style="text-align: center;">⇩</div>
+        <kirjs-board [pattern]="[[1]]"></kirjs-board>
+      </div>
+      <div class="rule">
+        <kirjs-board [pattern]="[[1]]"></kirjs-board>
+        <div class="arrow" style="text-align: center;">⇩</div>
+        <kirjs-board [pattern]="[[0]]"></kirjs-board>
+      </div>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 0, 0, 0, 1, 0, 0, 0, 0]]"
+      [transform]="examples.intro.inverse"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="more-rules">
+    <h1>Rules</h1>
+    <div class="rules">
+      <kirjs-rule3 [rule]="16" [arrow]="true"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 0, 0, 0, 1, 0, 0, 0, 0]]"
+      [transform]="examples.intro.inPlace16"
+      [delay]="150"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="more-rules-90">
+    <h1>Rules</h1>
+    <div class="rules">
+      <kirjs-rule3 [rule]="30" [arrow]="true"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 0, 0, 0, 1, 0, 0, 0, 0]]"
+      [transform]="examples.intro.inPlace90"
+      [delay]="150"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="two-d-90">
+    <h1>Rule 90</h1>
+    <div class="rules">
+      <kirjs-rule3 [rule]="90" [arrow]="true"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="[
+        [
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          1,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0
+        ]
+      ]"
+      [transform]="examples.intro.twoD90"
+      [delay]="50"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="two-d-30">
+    <h1>Stephen Wolfram (Rule 30)</h1>
+    <div class="img-wolfram"></div>
+    <div class="rules">
+      <kirjs-rule3 [rule]="30" [arrow]="true"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="[
+        [
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          1,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0
+        ]
+      ]"
+      [transform]="examples.intro.twoD30"
+      [delay]="50"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="two-d-110">
+    <div class="rules">
+      <kirjs-rule3 [rule]="110" [arrow]="true"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="[
+        [
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          1,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0
+        ]
+      ]"
+      [transform]="examples.intro.twoD110"
+      [delay]="50"
+    ></kirjs-board>
+  </div>
+  <div *slide id="two-d-random">
+    <div class="rules">
+      <kirjs-rule3 [rule]="examples.intro.rand" [arrow]="true"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="[
+        [
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          1,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0,
+          0
+        ]
+      ]"
+      [transform]="examples.intro.twoDRand"
+      [delay]="50"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="nks">
+    <h1>New kind of science</h1>
+    <div class="img-nks"></div>
+  </div>
+  <div *slide id="cam">
+    <h1>cambridge</h1>
+    <div class="img-30"></div>
+    <div class="img-30-2"></div>
+  </div>
+
+  <div *slide id="need-more-rules">
+    <h1>Cellular Automata 2D!</h1>
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.randomPattern"
+      [transform]="examples.life.random"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="2d-neighborhoods">
+    <h1>Neighborhoods</h1>
+    <div>
+      <div class="neighborhood">
+        <div class="img-moore"></div>
+        <div>
+          <h1>Edward F. Moore</h1>
+          <kirjs-rule
+            [before]="[
+              [0, 0, 0],
+              [0, 1, 0],
+              [0, 0, 0]
+            ]"
+          ></kirjs-rule>
+        </div>
+      </div>
+      <div class="neighborhood">
+        <div class="img-neuman"></div>
+        <div>
+          <h1>John von Neumann</h1>
+          <kirjs-rule
+            [before]="[
+              ['x', 0, 'x'],
+              [0, 1, 0],
+              ['x', 0, 'x']
+            ]"
+          ></kirjs-rule>
+        </div>
+        <div>
+          <h1>Extended</h1>
+          <kirjs-rule
+            [before]="[
+              ['x', 'x', 0, 'x', 'x'],
+              ['x', 'x', 0, 'x', 'x'],
+              [0, 0, 1, 0, 0],
+              ['x', 'x', 0, 'x', 'x'],
+              ['x', 'x', 0, 'x', 'x']
+            ]"
+          ></kirjs-rule>
+        </div>
+      </div>
+    </div>
+  </div>
+  <div *slide id="2d">
+    <div class="rules"><kirjs-rule8></kirjs-rule8></div>
+  </div>
+
+  <div *slide id="2d-random">
+    <h1 class="grid-header">
+      Random Rules: Survive: {{ examples.life.randomRules.survive }} Born:
+      {{ examples.life.randomRules.born }}
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.randomPattern"
+      [transform]="examples.life.random"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="2d-labyrynth">
+    <h1 class="grid-header">
+      Survive: {{ examples.life.labyrynthRules.survive }} Born:
+      {{ examples.life.labyrynthRules.born }}
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.randomPatternSparce"
+      [transform]="examples.life.labyrynth"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+  <div *slide id="2d-labyrynth4">
+    <h1 class="grid-header">
+      Survive: {{ examples.life.labRules4.survive }} Born:
+      {{ examples.life.labRules4.born }}
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.randomPatternSparce"
+      [transform]="examples.life.labyrynth4"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="2d-labyrynth5">
+    <h1 class="grid-header">
+      Survive: {{ examples.life.labRules5.survive }} Born:
+      {{ examples.life.labRules5.born }}
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.randomPatternSparce"
+      [transform]="examples.life.labyrynth5"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="2d-labyrynth6">
+    <h1 class="grid-header">
+      Survive: {{ examples.life.labRules6.survive }} Born:
+      {{ examples.life.labRules6.born }}
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.randomPatternSparce"
+      [transform]="examples.life.labyrynth6"
+      [delay]="260"
+    ></kirjs-board>
+  </div>
+  <div *slide id="2d-cave">
+    <h1 class="grid-header">Random cave generation</h1>
+
+    <div class="img-cave"></div>
+  </div>
+
+  <div *slide id="game-of-life">
+    <div class="img-conway"></div>
+    <h1 class="grid-header">
+      game of life: Survive: {{ examples.life.gameOfLifeRules.survive }} Born:
+      {{ examples.life.gameOfLifeRules.born }}
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.randomPattern"
+      [transform]="examples.life.gameOfLife"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="2d-life-still-life">
+    <h1 class="grid-header">
+      Still life
+
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.stillLife"
+      [transform]="examples.life.gameOfLife"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="2d-life-oscilator">
+    <h1 class="grid-header">
+      What's that?
+
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.oscilator"
+      [transform]="examples.life.gameOfLife"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+  <div *slide id="2d-life-oscilator-2">
+    <h1 class="grid-header">
+      What's that?
+      <div class="play" (click)="board1.playing = !board1.playing">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [pattern]="examples.life.pattern.oscilatorClock"
+      [transform]="examples.life.gameOfLife"
+      [delay]="250"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="2d-life-oscilator-2">
+    <div>
+      <h1 class="grid-header">List of oscilators</h1>
+      <kirjs-oscilators></kirjs-oscilators>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-space-ships">
+    <div>
+      <h1 class="grid-header">
+        Space ships - glider (by Richard K. Guy)
+        <div class="play" (click)="board1.playing = !board1.playing">
+          {{ board1.playing ? '❚❚' : '▶' }}
+        </div>
+      </h1>
+
+      <kirjs-board
+        #board1
+        [cellHeight]="20"
+        [cellWidth]="20"
+        [pattern]="examples.life.pattern.glider"
+        [transform]="examples.life.gameOfLife"
+        [delay]="50"
+      ></kirjs-board>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-space-ships-copperhead">
+    <div>
+      <h1 class="grid-header">
+        Copperhead (2016)
+        <div class="play" (click)="board1.playing = !board1.playing">
+          {{ board1.playing ? '❚❚' : '▶' }}
+        </div>
+      </h1>
+
+      <kirjs-board
+        #board1
+        [cellHeight]="20"
+        [cellWidth]="20"
+        [pattern]="examples.life.pattern.copperhead"
+        [transform]="examples.life.gameOfLife"
+        [delay]="50"
+      ></kirjs-board>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-guns">
+    <div>
+      <h1 class="grid-header">Guns - Gosper Gun ($50)</h1>
+      <div class="img-gosper"></div>
+      <div class="img-gun"></div>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-glider-synthesis">
+    <div>
+      <h1 class="grid-header">Synthesis</h1>
+      <iframe
+        width="800"
+        height="500"
+        src="https://www.youtube.com/embed/j4p75EdGd-Q"
+        frameborder="0"
+        allowfullscreen
+      ></iframe>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-mp">
+    <div>
+      <h1 class="grid-header">Metapixel (Guess The Size)</h1>
+      <div class="img-mp"></div>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-mp-answer">
+    <div>
+      <h1 class="grid-header">Metapixel (2048x2048)</h1>
+      <div class="img-mp"></div>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-mp-video">
+    <div>
+      <h1 class="grid-header">Life in life</h1>
+      <iframe
+        width="560"
+        height="315"
+        src="https://www.youtube.com/embed/xP5-iIeKXE8"
+        frameborder="0"
+        allowfullscreen
+      ></iframe>
+    </div>
+  </div>
+
+  <div *slide id="2d-life-turing machine">
+    <div>
+      <h1 class="grid-header">Turing Machine</h1>
+      <div class="img-turing"></div>
+    </div>
+  </div>
+
+  <div *slide id="demos"><h1>Bunch of demos</h1></div>
+
+  <div *slide id="demos-3d">
+    <h1>3d</h1>
+    <iframe
+      width="560"
+      height="315"
+      src="https://www.youtube.com/embed/iiEQg-SHY1g"
+      frameborder="0"
+      allowfullscreen
+    ></iframe>
+  </div>
+
+  <div *slide id="demos-3d">
+    <h1>Art</h1>
+    <a href="http://rainbowsmoke.hu/gallery">http://rainbowsmoke.hu/gallery</a>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.ts
new file mode 100644
index 000000000..c68be56f2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.component.ts
@@ -0,0 +1,757 @@
+import { Component } from '@angular/core';
+
+function inPlace(rule) {
+  const map = (256 + rule)
+    .toString(2)
+    .substr(1)
+    .split('')
+    .map(Number)
+    .reduce((a, v, i) => {
+      a[(15 - i).toString(2).substr(1)] = v;
+      return a;
+    }, {});
+
+  function transformRow(row) {
+    const result = [];
+    for (let i = 0; i < row.length; i++) {
+      const a1 = row[(row.length + i - 1) % row.length].toString();
+      const a2 = row[i].toString();
+      const a3 = row[(i + 1) % row.length].toString();
+      result[i] = [map[a1 + a2 + a3]];
+    }
+    return result;
+  }
+
+  return function(grid) {
+    return grid.map(transformRow);
+  };
+}
+
+function transform2d(rule) {
+  const survive = rule.survive.reduce((a, v) => {
+    a[v] = true;
+    return a;
+  }, {});
+  const born = rule.born.reduce((a, v) => {
+    a[v] = true;
+    return a;
+  }, {});
+
+  return function(grid) {
+    return grid.map((row, y) => {
+      return row.map((cell, x) => {
+        const px = (row.length + x - 1) % row.length;
+        const nx = (x + 1) % row.length;
+        const py = (grid.length + y - 1) % grid.length;
+        const ny = (y + 1) % grid.length;
+
+        const score =
+          grid[py][px] +
+          grid[py][x] +
+          grid[py][nx] +
+          grid[y][px] +
+          grid[y][nx] +
+          grid[ny][px] +
+          grid[ny][x] +
+          grid[ny][nx];
+
+        if ((cell === 0 && born[score]) || (cell === 1 && survive[score])) {
+          return 1;
+        }
+
+        return 0;
+      });
+    });
+  };
+}
+
+function appendTransform(rule) {
+  const transform = inPlace(rule);
+  return function(grid) {
+    const lastRow = grid[grid.length - 1];
+    grid.push(transform([lastRow])[0]);
+    return grid;
+  };
+}
+
+const rand = Math.floor(Math.random() * 255);
+
+const randomRules = new Array(8).fill(0).reduce(
+  (a, v, i) => {
+    if (Math.random() < 0.3) {
+      a.survive.push(i);
+    }
+    if (Math.random() < 0.3) {
+      a.born.push(i);
+    }
+    return a;
+  },
+  { survive: [], born: [] }
+);
+
+const gameOfLifeRules = { survive: [2, 3], born: [3] };
+const gameOfLife = transform2d(gameOfLifeRules);
+const randomPattern = new Array(30)
+  .fill(0)
+  .map(() => new Array(60).fill(0).map(() => (Math.random() < 0.3 ? 1 : 0)));
+const randomPatternSparce = new Array(30)
+  .fill(0)
+  .map(() => new Array(60).fill(0).map(() => (Math.random() < 0.04 ? 1 : 0)));
+
+const labyrynthRules = { survive: [0, 1, 2, 3], born: [1] };
+
+const labRules4 = { survive: [0, 1, 2, 3, 4], born: [1] };
+const labRules5 = { survive: [0, 1, 2, 3, 4, 5], born: [1] };
+const labRules6 = { survive: [0, 1, 2, 3, 4, 5, 6], born: [1] };
+
+@Component({
+  selector: 'kirjs-cellular-automation',
+  templateUrl: './cellular-automation.component.html',
+  styleUrls: ['./cellular-automation.component.css']
+})
+export class CellularAutomationComponent {
+  examples = {
+    intro: {
+      inverse(pattern) {
+        return pattern.map(line => line.map(cell => (cell + 1) % 2));
+      },
+      rand,
+      inPlace16: inPlace(16),
+      inPlace90: inPlace(90),
+      twoD18: appendTransform(18),
+      twoD30: appendTransform(30),
+      twoD90: appendTransform(90),
+      twoD110: appendTransform(110),
+      twoDRand: appendTransform(rand),
+
+      pattern: [
+        [0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 1, 0, 0, 0, 0]
+      ]
+    },
+    life: {
+      randomRules,
+      random: transform2d(randomRules),
+      gameOfLifeRules,
+      gameOfLife,
+      labyrynthRules: labyrynthRules,
+      labyrynth: transform2d(labyrynthRules),
+      labRules4,
+      labyrynth4: transform2d(labRules4),
+      labRules5,
+      labyrynth5: transform2d(labRules5),
+      labRules6,
+      labyrynth6: transform2d(labRules6),
+      pattern: {
+        randomPattern,
+        randomPatternSparce,
+        stillLife: [
+          [0, 0, 0, 0],
+          [0, 1, 1, 0],
+          [0, 1, 1, 0],
+          [0, 0, 0, 0]
+        ],
+        oscilator: [
+          [0, 0, 0, 0, 0],
+          [0, 0, 1, 0, 0],
+          [0, 0, 1, 0, 0],
+          [0, 0, 1, 0, 0],
+          [0, 0, 0, 0, 0]
+        ],
+        oscilatorClock: [
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0],
+          [0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0],
+          [0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0],
+          [0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0],
+          [0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0],
+          [0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+        ],
+
+        glider: [
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+          [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
+        ],
+
+        copperhead: [
+          [
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0
+          ],
+          [
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0
+          ],
+          [
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            1,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0
+          ],
+          [
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            1,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0
+          ],
+          [
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            1,
+            0,
+            0,
+            1,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            0
+          ],
+          [
+            0,
+            0,
+            0,
+            0,
+            0,
+            0,
+            1,
+            1,
+            1,
+            0,
+            1,
+            1,
+            0,
+            1,
+            0,
+            0,
+            0,
+            0,
+            0,
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+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.module.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.module.ts
new file mode 100644
index 000000000..7b1109038
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/cellular-automation.module.ts
@@ -0,0 +1,37 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SlidesModule } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+
+import { CellularAutomationComponent } from './cellular-automation.component';
+import { BoardComponent } from './board/board.component';
+import { Rule3Component } from './rule3/rule3.component';
+import { RuleComponent } from './rule/rule.component';
+import { Rule8Component } from './rule8/rule8.component';
+import { OscilatorsComponent } from './oscilators/oscilators.component';
+import { Rule4Component } from './rule3/rule4/rule4.component';
+
+@NgModule({
+  imports: [SlidesModule, FeedbackModule, CommonModule],
+  declarations: [
+    CellularAutomationComponent,
+    BoardComponent,
+    Rule3Component,
+    RuleComponent,
+    Rule8Component,
+    OscilatorsComponent,
+    Rule4Component
+  ],
+  exports: [
+    CellularAutomationComponent,
+    CellularAutomationComponent,
+    BoardComponent,
+    Rule3Component,
+    RuleComponent,
+    Rule8Component,
+    OscilatorsComponent,
+    BoardComponent,
+    Rule4Component
+  ]
+})
+export class CellularAutomationModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/intro/30-2.png b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/intro/30-2.png
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diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/intro/wolfram.jpg b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/intro/wolfram.jpg
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diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.css b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.html b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.html
new file mode 100644
index 000000000..4aeb856ac
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.html
@@ -0,0 +1,2327 @@
+<table class="wikitable" style="margin-left:auto;margin-right:auto;">
+  <tbody>
+    <tr>
+      <th>Period</th>
+      <th>First discovered</th>
+      <th>Discoverer</th>
+      <th>Year of discovery</th>
+      <th style="background-color:white;border-top-color:white;">
+        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+      </th>
+      <th>Smallest known</th>
+      <th>Minimum # of cells</th>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_2"
+          title="Category:Oscillators with period 2"
+          >2</a
+        >
+      </th>
+      <td><a href="/wiki/Blinker" title="Blinker">blinker</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_by_John_Conway"
+          title="Category:Patterns found by John Conway"
+          >John Conway</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1970"
+          title="Category:Patterns found in 1970"
+          >1970</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/Blinker" title="Blinker">blinker</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_3_cells"
+          title="Category:Patterns with 3 cells"
+          >3</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_3"
+          title="Category:Oscillators with period 3"
+          >3</a
+        >
+      </th>
+      <td><a href="/wiki/Pulsar" title="Pulsar">pulsar</a></td>
+      <td>John Conway</td>
+      <td>1970</td>
+      <td></td>
+      <td><a href="/wiki/Caterer" title="Caterer">caterer</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_12_cells"
+          title="Category:Patterns with 12 cells"
+          >12</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_4"
+          title="Category:Oscillators with period 4"
+          >4</a
+        >
+      </th>
+      <td><a href="/wiki/Pinwheel" title="Pinwheel">pinwheel</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_by_Simon_Norton"
+          title="Category:Patterns found by Simon Norton"
+          >Simon Norton</a
+        >
+      </td>
+      <td>1970</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Mazing" title="Mazing">mazing</a>,
+        <a href="/wiki/Mold" title="Mold">mold</a>
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_12_cells"
+          title="Category:Patterns with 12 cells"
+          >12</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_5"
+          title="Category:Oscillators with period 5"
+          >5</a
+        >
+      </th>
+      <td><a href="/wiki/Octagon_2" title="Octagon 2">octagon 2</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_by_Sol_Goodman"
+          title="Category:Patterns found by Sol Goodman"
+          >Sol Goodman</a
+        >,
+        <a
+          href="/wiki/Category:Patterns_found_by_Arthur_Taber"
+          title="Category:Patterns found by Arthur Taber"
+          >Arthur Taber</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1971"
+          title="Category:Patterns found in 1971"
+          >1971</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Pseudo-barberpole" title="Pseudo-barberpole"
+          >pseudo-barberpole</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_15_cells"
+          title="Category:Patterns with 15 cells"
+          >15</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_6"
+          title="Category:Oscillators with period 6"
+          >6</a
+        >
+      </th>
+      <td><a href="/wiki/$rats" title="$rats">$rats</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_by_David_Buckingham"
+          title="Category:Patterns found by David Buckingham"
+          >David Buckingham</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1972"
+          title="Category:Patterns found in 1972"
+          >1972</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/Unix" title="Unix">unix</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_16_cells"
+          title="Category:Patterns with 16 cells"
+          >16</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_7"
+          title="Category:Oscillators with period 7"
+          >7</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Burloaferimeter" title="Burloaferimeter"
+          >burloaferimeter</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>1972</td>
+      <td></td>
+      <td>
+        <a href="/wiki/28P7.1" title="28P7.1">28P7.1</a>,
+        <a href="/wiki/28P7.2" title="28P7.2">28P7.2</a>,
+        <a href="/wiki/Burloaferimeter" title="Burloaferimeter"
+          >burloaferimeter</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_28_cells"
+          title="Category:Patterns with 28 cells"
+          >28</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_8"
+          title="Category:Oscillators with period 8"
+          >8</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Figure_eight" title="Figure eight">figure eight</a>
+      </td>
+      <td>Simon Norton</td>
+      <td>1970</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Figure_eight" title="Figure eight">figure eight</a>
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_12_cells"
+          title="Category:Patterns with 12 cells"
+          >12</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_9"
+          title="Category:Oscillators with period 9"
+          >9</a
+        >
+      </th>
+      <td><a href="/wiki/Worker_bee" title="Worker bee">worker bee</a></td>
+      <td>David Buckingham</td>
+      <td>1972</td>
+      <td></td>
+      <td><a href="/wiki/29P9" title="29P9">29P9</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_29_cells"
+          title="Category:Patterns with 29 cells"
+          >29</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_10"
+          title="Category:Oscillators with period 10"
+          >10</a
+        >
+      </th>
+      <td><a href="/wiki/42P10.1" title="42P10.1">42P10.1</a></td>
+      <td>David Buckingham</td>
+      <td>
+        ≤<a
+          href="/wiki/Category:Patterns_found_in_1976"
+          title="Category:Patterns found in 1976"
+          >1976</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/24P10" title="24P10">24P10</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_24_cells"
+          title="Category:Patterns with 24 cells"
+          >24</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_11"
+          title="Category:Oscillators with period 11"
+          >11</a
+        >
+      </th>
+      <td><a href="/wiki/38P11.1" title="38P11.1">38P11.1</a></td>
+      <td>David Buckingham</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1977"
+          title="Category:Patterns found in 1977"
+          >1977</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/Rattlesnake" title="Rattlesnake">rattlesnake</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_33_cells"
+          title="Category:Patterns with 33 cells"
+          >33</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_12"
+          title="Category:Oscillators with period 12"
+          >12</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Dinner_table" title="Dinner table">dinner table</a>
+      </td>
+      <td>
+        <a href="/wiki/Robert_Wainwright" title="Robert Wainwright"
+          >Robert Wainwright</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1972"
+          title="Category:Patterns found in 1972"
+          >1972</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Dinner_table" title="Dinner table">dinner table</a>
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_33_cells"
+          title="Category:Patterns with 33 cells"
+          >33</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_13"
+          title="Category:Oscillators with period 13"
+          >13</a
+        >
+      </th>
+      <td><a href="/wiki/65P13.1" title="65P13.1">65P13.1</a></td>
+      <td>David Buckingham</td>
+      <td>1976</td>
+      <td></td>
+      <td><a href="/wiki/34P13" title="34P13">34P13</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_34_cells"
+          title="Category:Patterns with 34 cells"
+          >34</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_14"
+          title="Category:Oscillators with period 14"
+          >14</a
+        >
+      </th>
+      <td><a href="/wiki/Tumbler" title="Tumbler">tumbler</a></td>
+      <td>George Collins, Jr.</td>
+      <td>1970</td>
+      <td></td>
+      <td><a href="/wiki/Tumbler" title="Tumbler">tumbler</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_16_cells"
+          title="Category:Patterns with 16 cells"
+          >16</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_15"
+          title="Category:Oscillators with period 15"
+          >15</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Pentadecathlon" title="Pentadecathlon">pentadecathlon</a>
+      </td>
+      <td>John Conway</td>
+      <td>1970</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Pentadecathlon" title="Pentadecathlon">pentadecathlon</a>
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_12_cells"
+          title="Category:Patterns with 12 cells"
+          >12</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_16"
+          title="Category:Oscillators with period 16"
+          >16</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Two_pre-L_hasslers" title="Two pre-L hasslers"
+          >two pre-L hasslers</a
+        >
+      </td>
+      <td>Robert Wainwright</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1983"
+          title="Category:Patterns found in 1983"
+          >1983</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/Achim%27s_p16" title="Achim's p16">Achim's p16</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_32_cells"
+          title="Category:Patterns with 32 cells"
+          >32</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_17"
+          title="Category:Oscillators with period 17"
+          >17</a
+        >
+      </th>
+      <td><a href="/wiki/54P17.1" title="54P17.1">54P17.1</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_by_Dean_Hickerson"
+          title="Category:Patterns found by Dean Hickerson"
+          >Dean Hickerson</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1997"
+          title="Category:Patterns found in 1997"
+          >1997</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Honey_thieves" title="Honey thieves">Honey thieves</a>
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_36_cells"
+          title="Category:Patterns with 36 cells"
+          >36</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_18"
+          title="Category:Oscillators with period 18"
+          >18</a
+        >
+      </th>
+      <td><a href="/wiki/117P18" title="117P18">117P18</a></td>
+      <td>David Buckingham</td>
+      <td>
+        ≤<a
+          href="/wiki/Category:Patterns_found_in_1991"
+          title="Category:Patterns found in 1991"
+          >1991</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/43P18" title="43P18">43P18</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_43_cells"
+          title="Category:Patterns with 43 cells"
+          >43</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th class="red_td">19</th>
+      <td class="red_td" colspan="6"><i>None found</i></td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_20"
+          title="Category:Oscillators with period 20"
+          >20</a
+        >
+      </th>
+      <td><a href="/wiki/145P20" title="145P20">145P20</a></td>
+      <td><a href="/wiki/Noam_Elkies" title="Noam Elkies">Noam Elkies</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1995"
+          title="Category:Patterns found in 1995"
+          >1995</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Mold_on_fumarole" title="Mold on fumarole"
+          >mold on fumarole</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_30_cells"
+          title="Category:Patterns with 30 cells"
+          >30</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_21"
+          title="Category:Oscillators with period 21"
+          >21</a
+        >
+      </th>
+      <td><a href="/wiki/124P21" title="124P21">124P21</a></td>
+      <td>Robert Wainwright</td>
+      <td>1995</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Caterer_on_42P7.1" title="Caterer on 42P7.1"
+          >caterer on 42P7.1</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_54_cells"
+          title="Category:Patterns with 54 cells"
+          >54</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_22"
+          title="Category:Oscillators with period 22"
+          >22</a
+        >
+      </th>
+      <td><a href="/wiki/168P22.1" title="168P22.1">168P22.1</a></td>
+      <td>Noam Elkies</td>
+      <td>1997</td>
+      <td></td>
+      <td><a href="/wiki/36P22" title="36P22">36P22</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_36_cells"
+          title="Category:Patterns with 36 cells"
+          >36</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th class="red_td">23</th>
+      <td class="red_td" colspan="6"><i>None found</i></td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_24"
+          title="Category:Oscillators with period 24"
+          >24</a
+        >
+      </th>
+      <td><a href="/wiki/186P24" title="186P24">186P24</a></td>
+      <td><a href="/wiki/Bill_Gosper" title="Bill Gosper">Bill Gosper</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1994"
+          title="Category:Patterns found in 1994"
+          >1994</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Caterer_on_figure_eight" title="Caterer on figure eight"
+          >caterer on figure eight</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_24_cells"
+          title="Category:Patterns with 24 cells"
+          >24</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_25"
+          title="Category:Oscillators with period 25"
+          >25</a
+        >
+      </th>
+      <td><a href="/wiki/134P25" title="134P25">134P25</a></td>
+      <td>Noam Elkies</td>
+      <td>1994</td>
+      <td></td>
+      <td>
+        <a
+          href="/w/index.php?title=P25_honey_farm_hassler&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="P25 honey farm hassler (page does not exist)"
+          >p25 honey farm hassler</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_88_cells"
+          title="Category:Patterns with 88 cells"
+          >88</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_26"
+          title="Category:Oscillators with period 26"
+          >26</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Pre-pulsar_shuttle_26" title="Pre-pulsar shuttle 26"
+          >pre-pulsar shuttle 26</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>1983</td>
+      <td></td>
+      <td><a href="/wiki/87P26" title="87P26">87P26</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_87_cells"
+          title="Category:Patterns with 87 cells"
+          >87</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_27"
+          title="Category:Oscillators with period 27"
+          >27</a
+        >
+      </th>
+      <td><a href="/wiki/123P27.1" title="123P27.1">123P27.1</a></td>
+      <td>Noam Elkies</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_2002"
+          title="Category:Patterns found in 2002"
+          >2002</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/56P27" title="56P27">56P27</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_56_cells"
+          title="Category:Patterns with 56 cells"
+          >56</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_28"
+          title="Category:Oscillators with period 28"
+          >28</a
+        >
+      </th>
+      <td><a href="/wiki/Newshuttle" title="Newshuttle">Newshuttle</a></td>
+      <td>David Buckingham</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1973"
+          title="Category:Patterns found in 1973"
+          >1973</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Pre-pulsar_shuttle_28" title="Pre-pulsar shuttle 28"
+          >pre-pulsar shuttle 28</a
+        >,
+        <a href="/wiki/Mold_on_41P7.2" title="Mold on 41P7.2">mold on 41P7.2</a>
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_53_cells"
+          title="Category:Patterns with 53 cells"
+          >53</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_29"
+          title="Category:Oscillators with period 29"
+          >29</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Pre-pulsar_shuttle_29" title="Pre-pulsar shuttle 29"
+          >pre-pulsar shuttle 29</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1980"
+          title="Category:Patterns found in 1980"
+          >1980</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Pre-pulsar_shuttle_29" title="Pre-pulsar shuttle 29"
+          >pre-pulsar shuttle 29</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_54_cells"
+          title="Category:Patterns with 54 cells"
+          >54</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_30"
+          title="Category:Oscillators with period 30"
+          >30</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Queen_bee_shuttle" title="Queen bee shuttle"
+          >queen bee shuttle</a
+        >
+      </td>
+      <td>Bill Gosper</td>
+      <td>1970</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Queen_bee_shuttle" title="Queen bee shuttle"
+          >queen bee shuttle</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_20_cells"
+          title="Category:Patterns with 20 cells"
+          >20</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_31"
+          title="Category:Oscillators with period 31"
+          >31</a
+        >
+      </th>
+      <td><a href="/wiki/48P31" title="48P31">48P31</a></td>
+      <td>
+        <a
+          href="/w/index.php?title=Matthias_Merzenich&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Matthias Merzenich (page does not exist)"
+          >Matthias Merzenich</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_2010"
+          title="Category:Patterns found in 2010"
+          >2010</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/48P31" title="48P31">48P31</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_48_cells"
+          title="Category:Patterns with 48 cells"
+          >48</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_32"
+          title="Category:Oscillators with period 32"
+          >32</a
+        >
+      </th>
+      <td><a href="/wiki/Gourmet" title="Gourmet">gourmet</a></td>
+      <td>David Buckingham</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1978"
+          title="Category:Patterns found in 1978"
+          >1978</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/Gourmet" title="Gourmet">gourmet</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_66_cells"
+          title="Category:Patterns with 66 cells"
+          >66</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_33"
+          title="Category:Oscillators with period 33"
+          >33</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/258P3_on_Achim%27s_p11" title="258P3 on Achim's p11"
+          >258P3 on Achim's p11</a
+        >
+      </td>
+      <td>
+        Noam Elkies,
+        <a
+          href="/wiki/Category:Patterns_found_by_Achim_Flammenkamp"
+          title="Category:Patterns found by Achim Flammenkamp"
+          >Achim Flammenkamp</a
+        >
+      </td>
+      <td>1997</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Caterer_on_rattlesnake" title="Caterer on rattlesnake"
+          >caterer on rattlesnake</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_46_cells"
+          title="Category:Patterns with 46 cells"
+          >46</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th class="red_td">34</th>
+      <td class="red_td" colspan="6"><i>No non-trivial examples found</i></td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_35"
+          title="Category:Oscillators with period 35"
+          >35</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P35_beehive_hassler" title="P35 beehive hassler"
+          >P35 beehive hassler</a
+        >
+      </td>
+      <td>Dean Hickerson</td>
+      <td>1995</td>
+      <td></td>
+      <td>
+        <a href="/wiki/P35_honey_farm_hassler" title="P35 honey farm hassler"
+          >p35 honey farm hassler</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_44_cells"
+          title="Category:Patterns with 44 cells"
+          >44</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_36"
+          title="Category:Oscillators with period 36"
+          >36</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P36_toad_hassler" title="P36 toad hassler"
+          >P36 toad hassler</a
+        >
+      </td>
+      <td>Robert Wainwright</td>
+      <td>1984</td>
+      <td></td>
+      <td><a href="/wiki/22P36" title="22P36">22P36</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_22_cells"
+          title="Category:Patterns with 22 cells"
+          >22</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_37"
+          title="Category:Oscillators with period 37"
+          >37</a
+        >
+      </th>
+      <td><a href="/wiki/124P37" title="124P37">124P37</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_by_Nicolay_Beluchenko"
+          title="Category:Patterns found by Nicolay Beluchenko"
+          >Nicolay Beluchenko</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_2009"
+          title="Category:Patterns found in 2009"
+          >2009</a
+        >
+      </td>
+      <td></td>
+      <td><a href="/wiki/124P37" title="124P37">124P37</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_124_cells"
+          title="Category:Patterns with 124 cells"
+          >124</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th class="red_td">38</th>
+      <td class="red_td" colspan="6"><i>None found</i></td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_39"
+          title="Category:Oscillators with period 39"
+          >39</a
+        >
+      </th>
+      <td><a href="/wiki/134P39.1" title="134P39.1">134P39.1</a></td>
+      <td>David Buckingham, Noam Elkies</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_2000"
+          title="Category:Patterns found in 2000"
+          >2000</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Caterer_on_34P13" title="Caterer on 34P13"
+          >caterer on 34P13</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_46_cells"
+          title="Category:Patterns with 46 cells"
+          >46</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_40"
+          title="Category:Oscillators with period 40"
+          >40</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P40_B-heptomino_shuttle" title="P40 B-heptomino shuttle"
+          >P40 B-heptomino shuttle</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>≤1991</td>
+      <td></td>
+      <td><a href="/wiki/26P40" title="26P40">26P40</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_26_cells"
+          title="Category:Patterns with 26 cells"
+          >26</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th class="red_td">41</th>
+      <td class="red_td" colspan="6"><i>None found</i></td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_42"
+          title="Category:Oscillators with period 42"
+          >42</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P42_glider_shuttle" title="P42 glider shuttle"
+          >P42 glider shuttle</a
+        >
+      </td>
+      <td>Noam Elkies</td>
+      <td>1994</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Unix_on_41P7.2" title="Unix on 41P7.2">unix on 41P7.2</a>
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_57_cells"
+          title="Category:Patterns with 57 cells"
+          >57</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_43"
+          title="Category:Oscillators with period 43"
+          >43</a
+        >
+      </th>
+      <td>
+        <a
+          href="/wiki/P43_glider_loop"
+          title="P43 glider loop"
+          class="mw-redirect"
+          >P43 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/w/index.php?title=Mike_Playle&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Mike Playle (page does not exist)"
+          >Mike Playle</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_2013"
+          title="Category:Patterns found in 2013"
+          >2013</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/P43_glider_loop"
+          title="P43 glider loop"
+          class="mw-redirect"
+          >P43 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_228_cells"
+          title="Category:Patterns with 228 cells"
+          >228</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_44"
+          title="Category:Oscillators with period 44"
+          >44</a
+        >
+      </th>
+      <td>
+        <a
+          href="/wiki/P44_pi-heptomino_hassler"
+          title="P44 pi-heptomino hassler"
+          >P44 pi-heptomino hassler</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>1992</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Mold_on_rattlesnake" title="Mold on rattlesnake"
+          >mold on rattlesnake</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_45_cells"
+          title="Category:Patterns with 45 cells"
+          >45</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_45"
+          title="Category:Oscillators with period 45"
+          >45</a
+        >
+      </th>
+      <td>
+        <a
+          href="/wiki/Pentadecathlon_on_snacker"
+          title="Pentadecathlon on snacker"
+          >pentadecathlon on snacker</a
+        >
+      </td>
+      <td>&nbsp;?</td>
+      <td>≤1995</td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/Pentadecathlon_on_thumb_1"
+          title="Pentadecathlon on thumb 1"
+          >pentadecathlon on thumb 1</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_48_cells"
+          title="Category:Patterns with 48 cells"
+          >48</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_46"
+          title="Category:Oscillators with period 46"
+          >46</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Twin_bees_shuttle" title="Twin bees shuttle"
+          >twin bees shuttle</a
+        >
+      </td>
+      <td>Bill Gosper</td>
+      <td>1971</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Twin_bees_shuttle" title="Twin bees shuttle"
+          >twin bees shuttle</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_28_cells"
+          title="Category:Patterns with 28 cells"
+          >28</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_47"
+          title="Category:Oscillators with period 47"
+          >47</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Pre-pulsar_shuttle_47" title="Pre-pulsar shuttle 47"
+          >pre-pulsar shuttle 47</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1982"
+          title="Category:Patterns found in 1982"
+          >1982</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a href="/wiki/Pre-pulsar_shuttle_47" title="Pre-pulsar shuttle 47"
+          >pre-pulsar shuttle 47</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_84_cells"
+          title="Category:Patterns with 84 cells"
+          >84</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_48"
+          title="Category:Oscillators with period 48"
+          >48</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P48_toad_hassler" title="P48 toad hassler"
+          >P48 toad hassler</a
+        >
+      </td>
+      <td>Bill Gosper</td>
+      <td>1994</td>
+      <td></td>
+      <td><a href="/wiki/65P48" title="65P48">65P48</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_65_cells"
+          title="Category:Patterns with 65 cells"
+          >65</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_49"
+          title="Category:Oscillators with period 49"
+          >49</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P49_glider_shuttle" title="P49 glider shuttle"
+          >p49 glider shuttle</a
+        >
+      </td>
+      <td>Noam Elkies</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1999"
+          title="Category:Patterns found in 1999"
+          >1999</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/P49_glider_loop"
+          title="P49 glider loop"
+          class="mw-redirect"
+          >p49 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_228_cells"
+          title="Category:Patterns with 228 cells"
+          >228</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_50"
+          title="Category:Oscillators with period 50"
+          >50</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P50_glider_shuttle" title="P50 glider shuttle"
+          >P50 glider shuttle</a
+        >
+      </td>
+      <td>Dean Hickerson</td>
+      <td>1992</td>
+      <td></td>
+      <td>
+        <a href="/wiki/P50_traffic_jam" title="P50 traffic jam"
+          >P50 traffic jam</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_92_cells"
+          title="Category:Patterns with 92 cells"
+          >92</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_51"
+          title="Category:Oscillators with period 51"
+          >51</a
+        >
+      </th>
+      <td><a href="/wiki/112P51" title="112P51">112P51</a></td>
+      <td>Nicolay Beluchenko</td>
+      <td>2009</td>
+      <td></td>
+      <td><a href="/wiki/92P51" title="92P51">92P51</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_92_cells"
+          title="Category:Patterns with 92 cells"
+          >92</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_52"
+          title="Category:Oscillators with period 52"
+          >52</a
+        >
+      </th>
+      <td><a href="/wiki/35P52" title="35P52">35P52</a></td>
+      <td>David Buckingham</td>
+      <td>1977</td>
+      <td></td>
+      <td><a href="/wiki/35P52" title="35P52">35P52</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_35_cells"
+          title="Category:Patterns with 35 cells"
+          >35</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_53&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 53 (page does not exist)"
+          >53</a
+        >
+      </th>
+      <td>
+        <a
+          href="/wiki/P53_glider_loop"
+          title="P53 glider loop"
+          class="mw-redirect"
+          >P53 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/w/index.php?title=Mike_Playle&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Mike Playle (page does not exist)"
+          >Mike Playle</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_2013"
+          title="Category:Patterns found in 2013"
+          >2013</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/P53_glider_loop"
+          title="P53 glider loop"
+          class="mw-redirect"
+          >P53 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_228_cells"
+          title="Category:Patterns with 228 cells"
+          >228</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_54"
+          title="Category:Oscillators with period 54"
+          >54</a
+        >
+      </th>
+      <td><a href="/wiki/P54_shuttle" title="P54 shuttle">P54 shuttle</a></td>
+      <td>David Buckingham</td>
+      <td>1974</td>
+      <td></td>
+      <td><a href="/wiki/P54_shuttle" title="P54 shuttle">P54 shuttle</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_48_cells"
+          title="Category:Patterns with 48 cells"
+          >48</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_55"
+          title="Category:Oscillators with period 55"
+          >55</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/Pre-pulsar_hassler_55" title="Pre-pulsar hassler 55"
+          >pre-pulsar hassler 55</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1986"
+          title="Category:Patterns found in 1986"
+          >1986</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/Pseudo-barberpole_on_rattlesnake"
+          title="Pseudo-barberpole on rattlesnake"
+          >pseudo-barberpole on rattlesnake</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_49_cells"
+          title="Category:Patterns with 49 cells"
+          >49</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_56"
+          title="Category:Oscillators with period 56"
+          >56</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P56_B-heptomino_shuttle" title="P56 B-heptomino shuttle"
+          >P56 B-heptomino shuttle</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>≤1991</td>
+      <td></td>
+      <td>
+        <a href="/wiki/P56_B-heptomino_shuttle" title="P56 B-heptomino shuttle"
+          >P56 B-heptomino shuttle</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_45_cells"
+          title="Category:Patterns with 45 cells"
+          >45</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_57"
+          title="Category:Oscillators with period 57"
+          >57</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P57_Herschel_loop_1" title="P57 Herschel loop 1"
+          >P57 Herschel loop 1</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_by_Dietrich_Leithner"
+          title="Category:Patterns found by Dietrich Leithner"
+          >Dietrich Leithner</a
+        >
+      </td>
+      <td>1997</td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/P57_glider_loop"
+          title="P57 glider loop"
+          class="mw-redirect"
+          >P57 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_228_cells"
+          title="Category:Patterns with 228 cells"
+          >228</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_58"
+          title="Category:Oscillators with period 58"
+          >58</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P58_toadsucker" title="P58 toadsucker">P58 toadsucker</a>
+      </td>
+      <td>Bill Gosper</td>
+      <td>1994</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Pre-pulsar_shuttle_58" title="Pre-pulsar shuttle 58"
+          >pre-pulsar shuttle 58</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_104_cells"
+          title="Category:Patterns with 104 cells"
+          >104</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_59"
+          title="Category:Oscillators with period 59"
+          >59</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P59_Herschel_loop_1" title="P59 Herschel loop 1"
+          >P59 Herschel loop 1</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>1997</td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/P59_glider_loop"
+          title="P59 glider loop"
+          class="mw-redirect"
+          >P59 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_228_cells"
+          title="Category:Patterns with 228 cells"
+          >228</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_60"
+          title="Category:Oscillators with period 60"
+          >60</a
+        >
+      </th>
+      <td>
+        <a
+          href="/w/index.php?title=P60_glider_shuttle&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="P60 glider shuttle (page does not exist)"
+          >P60 glider shuttle</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>≤ 1971</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Mold_on_pentadecathlon" title="Mold on pentadecathlon"
+          >mold on pentadecathlon</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_24_cells"
+          title="Category:Patterns with 24 cells"
+          >24</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_61"
+          title="Category:Oscillators with period 61"
+          >61</a
+        >
+      </th>
+      <td>
+        <a href="/wiki/P61_Herschel_loop_1" title="P61 Herschel loop 1"
+          >P61 Herschel loop 1</a
+        >
+      </td>
+      <td>David Buckingham</td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_found_in_1996"
+          title="Category:Patterns found in 1996"
+          >1996</a
+        >
+      </td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/P61_glider_loop"
+          title="P61 glider loop"
+          class="mw-redirect"
+          >P61 glider loop</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_228_cells"
+          title="Category:Patterns with 228 cells"
+          >228</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_62"
+          title="Category:Oscillators with period 62"
+          >62</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/110P62" title="110P62">110P62</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_110_cells"
+          title="Category:Patterns with 110 cells"
+          >110</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_63"
+          title="Category:Oscillators with period 63"
+          >63</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Snacker_on_38P7.2" title="Snacker on 38P7.2"
+          >snacker on 38P7.2</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_78_cells"
+          title="Category:Patterns with 78 cells"
+          >78</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_64"
+          title="Category:Oscillators with period 64"
+          >64</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Merzenich%27s_p64" title="Merzenich's p64"
+          >Merzenich's p64</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_34_cells"
+          title="Category:Patterns with 34 cells"
+          >34</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_65"
+          title="Category:Oscillators with period 65"
+          >65</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Fumarole_on_34P13" title="Fumarole on 34P13"
+          >fumarole on 34P13</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_52_cells"
+          title="Category:Patterns with 52 cells"
+          >52</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_66"
+          title="Category:Oscillators with period 66"
+          >66</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Caterer_on_36P22" title="Caterer on 36P22"
+          >caterer on 36P22</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_48_cells"
+          title="Category:Patterns with 48 cells"
+          >48</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_67&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 67 (page does not exist)"
+          >67</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_68&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 68 (page does not exist)"
+          >68</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_69&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 69 (page does not exist)"
+          >69</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_70"
+          title="Category:Oscillators with period 70"
+          >70</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/78P70" title="78P70">78P70</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_78_cells"
+          title="Category:Patterns with 78 cells"
+          >78</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_71&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 71 (page does not exist)"
+          >71</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_72"
+          title="Category:Oscillators with period 72"
+          >72</a
+        >
+      </th>
+      <td><a href="/wiki/47P72" title="47P72">47P72</a></td>
+      <td>Robert Wainwright</td>
+      <td>1990</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Figure_eight_on_22P36" title="Figure eight on 22P36"
+          >figure eight on 22P36</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_36_cells"
+          title="Category:Patterns with 36 cells"
+          >36</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_73&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 73 (page does not exist)"
+          >73</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_74&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 74 (page does not exist)"
+          >74</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_75"
+          title="Category:Oscillators with period 75"
+          >75</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/6_bits" title="6 bits">6 bits</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_49_cells"
+          title="Category:Patterns with 49 cells"
+          >49</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_76&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 76 (page does not exist)"
+          >76</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_77"
+          title="Category:Oscillators with period 77"
+          >77</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/77P77" title="77P77">77P77</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_77_cells"
+          title="Category:Patterns with 77 cells"
+          >77</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_78"
+          title="Category:Oscillators with period 78"
+          >78</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/126P78.1" title="126P78.1">126P78.1</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_126_cells"
+          title="Category:Patterns with 126 cells"
+          >126</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_79&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 79 (page does not exist)"
+          >79</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_80"
+          title="Category:Oscillators with period 80"
+          >80</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/122P80.1" title="122P80.1">122P80.1</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_122_cells"
+          title="Category:Patterns with 122 cells"
+          >122</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_81&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 81 (page does not exist)"
+          >81</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_82&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 82 (page does not exist)"
+          >82</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_83&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 83 (page does not exist)"
+          >83</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_84"
+          title="Category:Oscillators with period 84"
+          >84</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/114P84" title="114P84">114P84</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_84_cells"
+          title="Category:Patterns with 84 cells"
+          >84</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_85&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 85 (page does not exist)"
+          >85</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_86&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 86 (page does not exist)"
+          >86</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_87"
+          title="Category:Oscillators with period 87"
+          >87</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td><a href="/wiki/84P87" title="84P87">84P87</a></td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_84_cells"
+          title="Category:Patterns with 84 cells"
+          >84</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_88"
+          title="Category:Oscillators with period 88"
+          >88</a
+        >
+      </th>
+      <td>
+        <a
+          href="/wiki/P44_pi-heptomino_hassler#Image_gallery"
+          title="P44 pi-heptomino hassler"
+          >P88 pi-heptomino hassler</a
+        >
+      </td>
+      <td>Dean Hickerson</td>
+      <td>1994</td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/Figure_eight_on_rattlesnake"
+          title="Figure eight on rattlesnake"
+          >figure eight on rattlesnake</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_45_cells"
+          title="Category:Patterns with 45 cells"
+          >45</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_89&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 89 (page does not exist)"
+          >89</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_90"
+          title="Category:Oscillators with period 90"
+          >90</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Fumarole_on_43P18" title="Fumarole on 43P18"
+          >fumarole on 43P18</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_61_cells"
+          title="Category:Patterns with 61 cells"
+          >61</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/w/index.php?title=Category:Oscillators_with_period_91&amp;action=edit&amp;redlink=1"
+          class="new"
+          title="Category:Oscillators with period 91 (page does not exist)"
+          >91</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_92"
+          title="Category:Oscillators with period 92"
+          >92</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>
+        <a
+          href="/wiki/Twin_bees_shuttles_hassling_blinker"
+          title="Twin bees shuttles hassling blinker"
+          >twin bees shuttles hassling blinker</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_61_cells"
+          title="Category:Patterns with 61 cells"
+          >61</a
+        >
+      </td>
+    </tr>
+    <tr>
+      <th>
+        <a
+          href="/wiki/Category:Oscillators_with_period_93"
+          title="Category:Oscillators with period 93"
+          >93</a
+        >
+      </th>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td>&nbsp;?</td>
+      <td></td>
+      <td>
+        <a href="/wiki/Caterer_on_48P31" title="Caterer on 48P31"
+          >caterer on 48P31</a
+        >
+      </td>
+      <td>
+        <a
+          href="/wiki/Category:Patterns_with_60_cells"
+          title="Category:Patterns with 60 cells"
+          >60</a
+        >
+      </td>
+    </tr>
+  </tbody>
+</table>
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.spec.ts
new file mode 100644
index 000000000..37c1353c2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { OscilatorsComponent } from './oscilators.component';
+
+describe('OscilatorsComponent', () => {
+  let component: OscilatorsComponent;
+  let fixture: ComponentFixture<OscilatorsComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [OscilatorsComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(OscilatorsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should be created', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.ts
new file mode 100644
index 000000000..f586bfda8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/oscilators/oscilators.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-oscilators',
+  templateUrl: './oscilators.component.html',
+  styleUrls: ['./oscilators.component.css']
+})
+export class OscilatorsComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.css b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.css
new file mode 100644
index 000000000..b30813d77
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.css
@@ -0,0 +1,13 @@
+:host {
+  margin: 10px 0;
+}
+
+.rule {
+  margin-left: 10px;
+}
+
+.arrow {
+  font-size: 18px;
+  text-align: center;
+  padding: 5px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.html b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.html
new file mode 100644
index 000000000..0544ee352
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.html
@@ -0,0 +1,3 @@
+<kirjs-board [pattern]="before"></kirjs-board>
+<div class="arrow" *ngIf="arrow">⇩</div>
+<kirjs-board [pattern]="after"></kirjs-board>
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.spec.ts
new file mode 100644
index 000000000..a30e9e078
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.spec.ts
@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { RuleComponent } from './rule.component';
+import { BoardComponent } from '../board/board.component';
+
+describe('RuleComponent', () => {
+  let component: RuleComponent;
+  let fixture: ComponentFixture<RuleComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [RuleComponent, BoardComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(RuleComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should be created', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.ts
new file mode 100644
index 000000000..f9dcb0908
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule/rule.component.ts
@@ -0,0 +1,16 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-rule',
+  templateUrl: './rule.component.html',
+  styleUrls: ['./rule.component.css']
+})
+export class RuleComponent implements OnInit {
+  @Input() before = [];
+  @Input() after = [];
+  @Input() arrow = false;
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.css b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.css
new file mode 100644
index 000000000..5efa370ca
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.css
@@ -0,0 +1,16 @@
+.rule {
+  display: flex;
+  width: 100%;
+  justify-content: space-between;
+}
+
+.index {
+  text-align: center;
+  font-size: 50px;
+  flex: 1;
+  margin-left: -20px;
+}
+
+kirjs-rule {
+  margin-right: 20px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.html b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.html
new file mode 100644
index 000000000..1980c65ec
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.html
@@ -0,0 +1,13 @@
+<div class="rule">
+  <kirjs-rule
+    *ngFor="let v of before; let i = index"
+    [before]="[before[i]]"
+    [after]="[after[i]]"
+    [arrow]="arrow"
+  ></kirjs-rule>
+</div>
+<div class="rule" *ngIf="indexes">
+  <div *ngFor="let v of after; let i = index" class="index">
+    {{ v[1] }}
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.ts
new file mode 100644
index 000000000..ead55f0a7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule3.component.ts
@@ -0,0 +1,37 @@
+import { Component, Input, OnChanges, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-rule3',
+  templateUrl: './rule3.component.html',
+  styleUrls: ['./rule3.component.css']
+})
+export class Rule3Component implements OnInit, OnChanges {
+  after: Array<Array<string | number>>;
+  before: Array<Array<string | number>>;
+
+  @Input() rule = 0;
+  @Input() indexes = false;
+  @Input() arrow = false;
+
+  constructor() {}
+
+  ngOnChanges() {
+    this.after = (256 + this.rule)
+      .toString(2)
+      .substr(1)
+      .split('')
+      .map(Number)
+      .map(a => ['x', a, 'x']);
+    // tslint:disable
+    this.before = this.after
+      .map((v, i) =>
+        (8 + i)
+          .toString(2)
+          .substr(1)
+          .split('')
+      )
+      .reverse();
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.css b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.css
new file mode 100644
index 000000000..6a416af23
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.css
@@ -0,0 +1,23 @@
+.wrapper {
+  display: flex;
+  flex-wrap: wrap;
+}
+
+.rule {
+  margin-left: 10px;
+  margin-top: 10px;
+}
+
+.cell {
+  width: 20px;
+  height: 20px;
+  border: 1px #ddd solid;
+}
+
+.after {
+  margin-left: 20px;
+}
+
+.active {
+  background: lime;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.html b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.html
new file mode 100644
index 000000000..d40edfea0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.html
@@ -0,0 +1,8 @@
+<div class="wrapper">
+  <div class="rule" *ngFor="let row of before; let in = index">
+    <div style="display: flex;">
+      <div class="cell" *ngFor="let i of row" [class.active]="i == 1"></div>
+    </div>
+    <div class="cell after" [class.active]="after[in]"></div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.spec.ts
new file mode 100644
index 000000000..e67aa1ec4
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { Rule4Component } from './rule4.component';
+
+describe('Rule4Component', () => {
+  let component: Rule4Component;
+  let fixture: ComponentFixture<Rule4Component>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [Rule4Component]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(Rule4Component);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.ts
new file mode 100644
index 000000000..7137a7bb9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule3/rule4/rule4.component.ts
@@ -0,0 +1,26 @@
+import { Component, Input, OnChanges } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-rule4',
+  templateUrl: './rule4.component.html',
+  styleUrls: ['./rule4.component.css']
+})
+export class Rule4Component implements OnChanges {
+  @Input() test;
+  before: string[][];
+  after: number[];
+
+  ngOnChanges() {
+    this.after = this.test.table.map(a => (a === 'enable' ? 1 : 0));
+
+    this.before = new Array(8)
+      .fill(0)
+      .map((v, i) =>
+        (8 + i)
+          .toString(2)
+          .substr(1)
+          .split('')
+      )
+      .reverse();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.css b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.css
new file mode 100644
index 000000000..b8748c993
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.css
@@ -0,0 +1,12 @@
+:host {
+  width: 100%;
+}
+
+kirjs-rule {
+  margin-right: 20px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  float: left;
+  margin-bottom: 20px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.html b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.html
new file mode 100644
index 000000000..4df6b49c6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.html
@@ -0,0 +1,6 @@
+<kirjs-rule
+  *ngFor="let v of before; let i = index"
+  [before]="before[i]"
+  [after]="after[i]"
+  [arrow]="arrow"
+></kirjs-rule>
diff --git a/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.ts b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.ts
new file mode 100644
index 000000000..c2b20172a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/cellular-automation/rule8/rule8.component.ts
@@ -0,0 +1,29 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-rule8',
+  templateUrl: './rule8.component.html',
+  styleUrls: ['./rule8.component.css']
+})
+export class Rule8Component implements OnInit {
+  after: Array<Array<Array<string | number>>>;
+  before: Array<Array<Array<string | number>>>;
+
+  @Input() rule = 0;
+  @Input() arrow = false;
+
+  constructor() {}
+
+  ngOnInit() {
+    const numbers = new Array(1024).fill(0, 0, 1024);
+    this.after = numbers.map(a => [[Math.round(Math.random())]]);
+    this.before = numbers.map((v, i) => {
+      const arr = (1024 + i).toString(2).substr(1);
+      return [
+        arr.substr(0, 3).split(''),
+        arr.substr(3, 3).split(''),
+        arr.substr(6, 3).split('')
+      ];
+    });
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.css b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.css
new file mode 100644
index 000000000..24fcf1016
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.css
@@ -0,0 +1,101 @@
+#intro,
+#outro {
+  /*  background: url(./browser/landscape-with-trees-1.jpg) no-repeat; */
+  background-size: 100% auto;
+  display: inline-block;
+}
+
+h1 {
+  font-size: 20px;
+}
+h2 {
+  font-size: 20px;
+}
+
+.hb {
+  width: 200px;
+  height: 200px;
+  background: url('hb.jpg');
+  background-size: 200px;
+  background-repeat: no-repeat;
+}
+
+.header p {
+  font-size: 14px;
+}
+
+b {
+  background: #fff;
+  color: #000;
+  font-size: 14px;
+  font-weight: bold;
+}
+
+li {
+  font-size: 12px;
+}
+
+@media print {
+  @page {
+    size: A4 landscape;
+  }
+}
+
+.front {
+  display: flex;
+  width: 1024px;
+  height: 768px;
+}
+
+.main-board {
+  width: 360px;
+  height: 360px;
+  display: block;
+  margin: 0 auto;
+}
+
+.left,
+.right {
+  width: 512px;
+  box-sizing: border-box;
+  padding: 20px;
+}
+
+.board84 {
+  display: block;
+  width: 120px;
+  height: 60px;
+}
+
+.explanation {
+  display: flex;
+  margin-bottom: 20px;
+}
+
+.explanation .text p {
+  text-align: right;
+  padding-right: 20px;
+  font-size: 12px;
+  margin-bottom: 2px;
+}
+
+.explanation .text {
+  flex: 1;
+  font-size: 12px;
+}
+
+.back {
+  margin: 0 auto;
+  width: 1024px;
+  padding: 0 60px;
+  display: flex;
+  flex-wrap: wrap;
+}
+
+.mini-board {
+  display: block;
+  width: 400px;
+  height: 400px;
+  margin-right: 30px;
+  margin-bottom: 20px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.html b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.html
new file mode 100644
index 000000000..5d4989e02
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.html
@@ -0,0 +1,98 @@
+<div class="front">
+  <div class="left">
+    <h1>Hi, I'm Gomoku!</h1>
+    <div style="display: flex">
+      <div class="header">
+        <p>I'm an awesome board game coming from ancient Asia!</p>
+        <b>My Rules are super simple:</b>
+        <ol>
+          <li>First player puts <x></x> in a cell on the board below</li>
+          <li>Second player puts <o></o></li>
+          <li>
+            Players go in turns until someone puts 5 items in a row on the board
+            (that person wins!)
+          </li>
+          <li>Putting more than 5 items in a row is not a win</li>
+        </ol>
+      </div>
+      <div><img width="200" src="assets/images/hb.jpg" /></div>
+    </div>
+
+    <kirjs-board
+      class="main-board"
+      [showTools]="false"
+      [game]="game"
+    ></kirjs-board>
+  </div>
+  <div class="right">
+    <h2>Some gomoku hints:</h2>
+    <p>When playing try to create one of the patterns below:</p>
+
+    <div class="explanation">
+      <div class="text">
+        <p><x></x>’s have an “Open 3” attack.</p>
+        <p>if <o></o>’s don’t block it from either side, they lose.</p>
+      </div>
+      <kirjs-board
+        theme="print"
+        class="board84"
+        [showTools]="false"
+        [game]="examples.open3"
+      ></kirjs-board>
+    </div>
+
+    <div class="explanation">
+      <div class="text">
+        <p>This is also an “Open 3” .</p>
+        <p>Now there are 3 places where it can (and should) be blocked.</p>
+      </div>
+      <kirjs-board
+        theme="print"
+        class="board84"
+        [showTools]="false"
+        [game]="examples.open32"
+      ></kirjs-board>
+    </div>
+
+    <div class="explanation">
+      <div class="text">
+        <p>Here <o></o>’s have “Open 3”, but X’s went with “Open 4” attack</p>
+        <p>It’s even stronger and must be blocked asap!</p>
+      </div>
+      <kirjs-board
+        theme="print"
+        class="board84"
+        [showTools]="false"
+        [game]="examples.close4"
+      ></kirjs-board>
+    </div>
+
+    <div class="explanation">
+      <div class="text">
+        <p>And here <x></x> has a “3 by 4 fork”. They will win this game!!</p>
+        <p><o></o>’s can’t block both attacks, and will lose.</p>
+        <p>(despite having an “Open 3” attack)</p>
+      </div>
+      <kirjs-board
+        theme="print"
+        class="board84"
+        [showTools]="false"
+        [game]="examples.fork"
+      ></kirjs-board>
+    </div>
+
+    Enjoy!
+  </div>
+</div>
+<div class="back">
+  <kirjs-board
+    class="mini-board"
+    [showTools]="false"
+    [game]="game"
+  ></kirjs-board>
+  <kirjs-board
+    class="mini-board"
+    [showTools]="false"
+    [game]="game"
+  ></kirjs-board>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.ts
new file mode 100644
index 000000000..e4b698675
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.component.ts
@@ -0,0 +1,55 @@
+import { Component } from '@angular/core';
+import { parse } from 'babylon';
+import { TicTacToe, Gomoku } from 'gomoku-tools';
+
+declare const require;
+
+@Component({
+  selector: 'kirjs-gomoku',
+  templateUrl: './gomoku-print.component.html',
+  styleUrls: ['./gomoku-print.component.css']
+})
+export class GomokuPrintComponent {
+  fontSize = 18;
+
+  game = new Gomoku().moveTo();
+  examples = {
+    open3: new Gomoku({ cellsX: 8, cellsY: 4 }).moveTo(
+      'C3',
+      'C2',
+      'D3',
+      'D2',
+      'E3'
+    ),
+    open32: new Gomoku({ cellsX: 8, cellsY: 4 }).moveTo(
+      'C3',
+      'C2',
+      'D3',
+      'D2',
+      'F3'
+    ),
+    close4: new Gomoku({ cellsX: 8, cellsY: 4 }).moveTo(
+      'C3',
+      'C2',
+      'D3',
+      'D2',
+      'F3',
+      'E2',
+      'E3',
+      'B3'
+    ),
+    fork: new Gomoku({ cellsX: 8, cellsY: 5 }).moveTo(
+      'C3',
+      'C2',
+      'D3',
+      'D2',
+      'F3',
+      'E2',
+      'E3',
+      'B3',
+      'F4',
+      'E4',
+      'F2'
+    )
+  };
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.module.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.module.ts
new file mode 100644
index 000000000..3767711a2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/gomoku-print.module.ts
@@ -0,0 +1,16 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { GomokuPrintComponent } from './gomoku-print.component';
+import { GomokuBoardModule } from '../gomoku/board/board.module';
+import { XComponent } from './x/x.component';
+import { OComponent } from './o/o.component';
+
+@NgModule({
+  imports: [
+    RouterModule.forChild([{ path: `**`, component: GomokuPrintComponent }]),
+    GomokuBoardModule
+  ],
+  declarations: [GomokuPrintComponent, XComponent, OComponent],
+  exports: [GomokuPrintComponent]
+})
+export class GomokuPrintModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/hb.jpg b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/hb.jpg
new file mode 100644
index 000000000..b51cae72b
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/hb.jpg differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.css b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.css
new file mode 100644
index 000000000..fb8455735
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.css
@@ -0,0 +1,6 @@
+:host {
+  color: #444;
+  font-size: 18px;
+  font-weight: bold;
+  line-height: 14px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.html b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.html
new file mode 100644
index 000000000..13e7564ea
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.html
@@ -0,0 +1 @@
+o
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.spec.ts
new file mode 100644
index 000000000..98cdd6cfc
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { OComponent } from './o.component';
+
+describe('OComponent', () => {
+  let component: OComponent;
+  let fixture: ComponentFixture<OComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [OComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(OComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.ts
new file mode 100644
index 000000000..2a34eba1e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/o/o.component.ts
@@ -0,0 +1,9 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line
+  selector: 'o',
+  templateUrl: './o.component.html',
+  styleUrls: ['./o.component.css']
+})
+export class OComponent {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.css b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.css
new file mode 100644
index 000000000..74f08e54d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.css
@@ -0,0 +1,7 @@
+:host {
+  color: #c53a00;
+  font-size: 18px;
+  font-weight: bold;
+  line-height: 14px;
+  vertical-align: middle;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.html b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.html
new file mode 100644
index 000000000..024c853b3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.html
@@ -0,0 +1 @@
+&times;
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.spec.ts
new file mode 100644
index 000000000..b818773c4
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { XComponent } from './x.component';
+
+describe('XComponent', () => {
+  let component: XComponent;
+  let fixture: ComponentFixture<XComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [XComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(XComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.ts
new file mode 100644
index 000000000..bcc74cd04
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku-print/x/x.component.ts
@@ -0,0 +1,9 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line
+  selector: 'x',
+  templateUrl: './x.component.html',
+  styleUrls: ['./x.component.css']
+})
+export class XComponent {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.html b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.html
new file mode 100644
index 000000000..6d99643a2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.html
@@ -0,0 +1,14 @@
+<!--{{game.getPosition()}}-->
+
+<kirjs-tools #tools [game]="game" [highlights]="highlights"></kirjs-tools>
+<!--<div (click)="log()">log</div>-->
+
+<div class="board theme-{{ theme }}">
+  <div *ngFor="let line of game.getPosition(); let x = index" class="column">
+    <div
+      *ngFor="let cell of line; let y = index"
+      (click)="tools.selectedTool.action([x, y], game, highlights)"
+      class="cell cell-{{ cell }} {{ this.highlights.get([x, y]) }}"
+    ></div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.scss b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.scss
new file mode 100644
index 000000000..f53bbd437
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.scss
@@ -0,0 +1,96 @@
+.column {
+  display: flex;
+  flex-grow: 1;
+  flex-basis: 0;
+}
+
+kirjs-tools {
+  display: none;
+}
+
+.board {
+  width: 100%;
+  height: 100%;
+  border-left: 1px #999 solid;
+  border-top: 1px #999 solid;
+  display: flex;
+  flex-direction: column;
+}
+
+.cell {
+  &.highlight-yellow {
+    background: #ff0;
+  }
+  &.highlight-orange {
+    background: #ffb900;
+  }
+
+  &.highlight-transparent {
+    opacity: 0.4;
+  }
+
+  flex-grow: 1;
+  flex-basis: 0;
+  border-right: 1px #999 solid;
+  border-bottom: 1px #999 solid;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  position: relative;
+}
+
+.theme-print {
+  .cell-1:before {
+    content: 'x';
+    color: #c53a00;
+  }
+
+  .cell-2:before {
+    content: 'o';
+    color: #666;
+  }
+  .cell-1:before,
+  .cell-2:before {
+    font-size: 12px;
+  }
+}
+
+.theme-gomoku {
+  .cell-1:before {
+    content: '⚫';
+  }
+
+  .cell-2:before {
+    content: '🔴';
+  }
+  .cell-3:before {
+    content: '⚫';
+    opacity: 0.5;
+  }
+
+  .cell-4:before {
+    content: '🔴';
+    opacity: 0.5;
+  }
+  .cell-1:before,
+  .cell-2:before {
+    font-size: 28px;
+  }
+}
+
+.theme-xo {
+  .cell-1:before {
+    content: '×';
+    color: red;
+  }
+
+  .cell-2:before {
+    content: '⚬';
+    color: blue;
+  }
+
+  .cell-1:before,
+  .cell-2:before {
+    font-size: 200px;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.spec.ts
new file mode 100644
index 000000000..5c8d230f4
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.spec.ts
@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { BoardComponent } from './board.component';
+import { ToolsComponent } from '../tools/tools.component';
+
+describe('BoardComponent', () => {
+  let component: BoardComponent;
+  let fixture: ComponentFixture<BoardComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [BoardComponent, ToolsComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BoardComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.ts
new file mode 100644
index 000000000..7fcaaf55f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.component.ts
@@ -0,0 +1,57 @@
+import { Component, HostListener, Input } from '@angular/core';
+import { Gomoku } from 'gomoku-tools';
+import { Highlights } from '../highlights';
+
+@Component({
+  selector: 'kirjs-board',
+  templateUrl: './board.component.html',
+  styleUrls: ['./board.component.scss']
+})
+export class BoardComponent {
+  @Input() theme = 'gomoku';
+  @Input() game = new Gomoku().moveTo(
+    'H8',
+    'I8',
+    'H9',
+    'H7',
+    'J9',
+    'I9',
+    'I10',
+    'H11',
+    'J11',
+    'K12',
+    'J10',
+    'J12',
+    'G10',
+    'H10',
+    'G8',
+    'F7',
+    'G9',
+    'G7',
+    'I7',
+    'J6',
+    'H12'
+  );
+  @Input() highlights = new Highlights();
+  @Input() showTools = true;
+
+  @HostListener('window:keydown.H', ['$event.target'])
+  @HostListener('window:keydown.J', ['$event.target'])
+  back() {
+    this.game.back();
+  }
+
+  @HostListener('window:keydown.T', ['$event.target'])
+  @HostListener('window:keydown.K', ['$event.target'])
+  forward() {
+    this.game.forward();
+  }
+
+  constructor() {}
+
+  log() {
+    console.log(this.game.getHistory());
+    console.log(this.game.getHistory().length);
+    console.log(this.highlights.highlights);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.module.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.module.ts
new file mode 100644
index 000000000..8d044d686
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/board/board.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { BoardComponent } from './board.component';
+import { CommonModule } from '@angular/common';
+import { ToolsComponent } from '../tools/tools.component';
+
+@NgModule({
+  imports: [CommonModule],
+  declarations: [BoardComponent, ToolsComponent],
+  exports: [BoardComponent]
+})
+export class GomokuBoardModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.css b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.css
new file mode 100644
index 000000000..bdefc00d1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.css
@@ -0,0 +1,65 @@
+#intro,
+#outro {
+  /*  background: url(./browser/landscape-with-trees-1.jpg) no-repeat; */
+  background-size: 100% auto;
+  display: inline-block;
+  height: 100vh;
+}
+
+input[type='checkbox'] {
+  transform: scale(2);
+}
+
+.hb,
+cake {
+  width: 100vw;
+  height: 200px;
+  background-position: center center;
+  background-color: white;
+  background-image: url('print/hb.jpg');
+  background-size: 300px;
+  background-repeat: no-repeat;
+}
+kirjs-board {
+  width: 500px;
+  height: 500px;
+}
+
+:host ::ng-deep [title][blue] .slide {
+  background: #0079ff;
+}
+
+:host ::ng-deep [title] .slide {
+  align-items: center;
+  background: #ff6e00;
+  color: white;
+  display: flex;
+  height: 100vh;
+  justify-content: center;
+  text-align: center;
+  width: 100%;
+}
+
+h1 {
+  font-size: 100px;
+}
+
+tr:first-child td {
+  background: #ff6e00;
+}
+
+td,
+th {
+  font-size: 40px;
+  padding: 20px;
+}
+
+b {
+  background: transparent;
+  color: black;
+  text-decoration: underline dotted;
+}
+
+a {
+  color: #444;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.html b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.html
new file mode 100644
index 000000000..7b51c2961
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.html
@@ -0,0 +1,282 @@
+<slide-deck slideShortcuts slidesRouting kirjs-tracking>
+  <!--(21) ["H8", "I8", "H9", "H7", "J9", "I9", "I10", "h21", "J11", "K12", "J10", "J12", "G10", "h20", "G8", "F7", "G9", "G7", "I7", "J6", "h22"]0: "H8"1: "I8"2: "H9"3: "H7"4: "J9"5: "I9"6: "I10"7: "h21"8: "J11"9: "K12"10: "J10"11: "J12"12: "G10"13: "h20"14: "G8"15: "F7"16: "G9"17: "G7"18: "I7"19: "J6"20: "h22"length: 21__proto__: Array(0)-->
+  <!--(30) ["H8", "I8", "I9", "H9", "J10", "G7", "h20", "G10", "J7", "G8", "G11", "J8", "I10", "G6", "G9", "G5", "G4", "H7", "J9", "I6", "J5", "H6", "K10", "L10", "J6", "I7", "F4", "I5", "I4", "J4"]0: "H8"1: "I8"2: "I9"3: "H9"4: "J10"5: "G7"6: "h20"7: "G10"8: "J7"9: "G8"10: "G11"11: "J8"12: "I10"13: "G6"14: "G9"15: "G5"16: "G4"17: "H7"18: "J9"19: "I6"20: "J5"21: "H6"22: "K10"23: "L10"24: "J6"25: "I7"26: "F4"27: "I5"28: "I4"29: "J4"length: 30__proto__: Array(0)-->
+
+  <slide-arrows></slide-arrows>
+
+  <div *slide no-padding title>
+    <h1>Gomoku</h1>
+    <div class="hb"></div>
+    <h2>by @kirjs</h2>
+  </div>
+
+  <div *slide>
+    <h2>Plan</h2>
+    <ol>
+      <li>What's gomoku?</li>
+      <li>Rules</li>
+      <li>Why Gomoku?</li>
+      <li>Gomoku and Computers</li>
+      <li>Sample game</li>
+    </ol>
+  </div>
+
+  <!--
+    Rules
+  -->
+
+  <div *slide title>
+    <h1>Gomoku</h1>
+    <h2><b>Abstract</b> <b>strategy</b> <b>board</b> game</h2>
+    <h2>coming from ancient asia (China & Japan)</h2>
+  </div>
+
+  <div *slide>
+    <h2>tic-tac-toe</h2>
+    <kirjs-board center theme="xo" [game]="games.ticTacToe"></kirjs-board>
+  </div>
+
+  <div *slide>
+    <h2>Gomoku</h2>
+    <kirjs-board [game]="games.wonGame"></kirjs-board>
+  </div>
+
+  <div *slide title><h1>Rules</h1></div>
+
+  <div *slide>
+    <h2>Rule 1: Black puts a stone first</h2>
+    <kirjs-board [game]="games.start"></kirjs-board>
+  </div>
+
+  <div *slide>
+    <h2>
+      Rule 2: Players alternate, putting a stone of their color on an empty cell
+    </h2>
+    <kirjs-board [game]="games.start2"></kirjs-board>
+  </div>
+
+  <div *slide>
+    <h2>Rule 3: The first player to get 5 in a row wins</h2>
+    <kirjs-board [game]="games.start5"></kirjs-board>
+  </div>
+
+  <div *slide>
+    <h2>Sample game</h2>
+    <div style="display: flex;">
+      <kirjs-board [game]="games.sample"></kirjs-board>
+      <div>
+        <h2>Winning plan:</h2>
+        <ul>
+          <li><input type="checkbox" /> Open 3 attack</li>
+          <li><input type="checkbox" /> Open 4 attack</li>
+          <li><input type="checkbox" /> Victory on continuous 4s</li>
+          <li><input type="checkbox" /> A fork</li>
+          <li><input type="checkbox" /> ????</li>
+          <li><input type="checkbox" /> Profit</li>
+        </ul>
+      </div>
+    </div>
+  </div>
+
+  <!--
+    Why gomoku?
+  -->
+
+  <div *slide title>
+    <h1>8 Reasons to play <b>Gomoku</b></h1>
+  </div>
+
+  <div *slide>
+    <h2>1. Brain massage</h2>
+    <ul>
+      <li>Lots of memorization</li>
+      <li>Patterns recognition</li>
+      <li>Problem solving</li>
+      <li>A lot of gomoku playes became successful at poker</li>
+    </ul>
+  </div>
+
+  <div *slide>
+    <h2>2. Transferable life skills</h2>
+    <ul>
+      <li>Learn to win/lose</li>
+      <li>Opportunities to learn from mistakes</li>
+      <li>The skill is directly proportional to the amount of work put in</li>
+      <li>Strategical/Tacting thinking</li>
+      <li>Understanding consequences / thinking ahead</li>
+    </ul>
+  </div>
+
+  <div *slide>
+    <h2>3. Social Aspect</h2>
+    <ul>
+      <li>Cross cultures/ages/accessible to everyone</li>
+      <li>Play people from different countries</li>
+      <li>Play in Tournaments or online</li>
+      <li>Play solo or in a team.</li>
+      <li>Hopefully soon play in real life :)</li>
+    </ul>
+  </div>
+
+  <div *slide>
+    <h2>4. Quantifiable</h2>
+    <ul>
+      <li>All stats are out there</li>
+      <li>Learning curve - plateaus and accelerations.</li>
+    </ul>
+  </div>
+
+  <div *slide>
+    <h2>5. Easy to start</h2>
+    <ul>
+      <li>Can play with pen and paper</li>
+      <li>Play online</li>
+      <li>A bunch of android apps</li>
+      <li>Very simple rules</li>
+    </ul>
+  </div>
+
+  <div *slide>
+    <h2>6.Not very popular in the US</h2>
+    <ul>
+      <li>Very few people are playing</li>
+      <li>Not much has been done</li>
+      <li>Not much learning materials/tutorials/videos in english</li>
+    </ul>
+  </div>
+
+  <div *slide>
+    <h2>7. Lots of space for technical solutions</h2>
+    <ul>
+      <li>No good database of games</li>
+      <li>Existing online playing platforms not perfect</li>
+    </ul>
+  </div>
+  <div *slide><h2>8. It's Fun!</h2></div>
+
+  <div *slide title><h1>Gomoku and Computers 🤖</h1></div>
+
+  <div *slide>
+    <h2>Complexity</h2>
+    <table>
+      <tr>
+        <th>Game</th>
+        <th>Space/State<br />as log to base 10</th>
+        <th>Game Tree<br />as log to base 10</th>
+        <th>Branching Factor</th>
+      </tr>
+      <tr>
+        <td>Gomoku</td>
+        <td>105</td>
+        <td>70</td>
+        <td>210</td>
+      </tr>
+      <tr>
+        <td>Chess</td>
+        <td>47</td>
+        <td>123</td>
+        <td>35</td>
+      </tr>
+      <tr>
+        <td>Go</td>
+        <td>170</td>
+        <td>360</td>
+        <td>250</td>
+      </tr>
+      <tr>
+        <td>Draughts (8x8)</td>
+        <td>20</td>
+        <td>20</td>
+        <td>2.8</td>
+      </tr>
+      <tr>
+        <td>Tic-Tac-Toe</td>
+        <td>3</td>
+        <td>5</td>
+        <td>4</td>
+      </tr>
+    </table>
+
+    <a href="https://en.wikipedia.org/wiki/Game_complexity"
+      >More on wikipedia</a
+    >
+  </div>
+
+  <div *slide title blue>
+    <h1>In the initial rules ⚫️ always started in the center</h1>
+  </div>
+
+  <div *slide title blue>
+    <h1>
+      In 1994 Victor Ellis proved that this way ⚫️ always win.
+      <a
+        href="http://digitalarchive.maastrichtuniversity.nl/fedora/get/guid:36b5cf0a-cf06-4602-afdb-1af04d65c23b/ASSET1"
+      >
+        📄
+      </a>
+    </h1>
+  </div>
+
+  <div *slide title blue>
+    <h1>
+      Since then more advanced opening rules have been used, which haven't yet
+      been solved.
+    </h1>
+  </div>
+
+  <div *slide title blue>
+    <h1>One of them is swap2</h1>
+    <div class="cake"></div>
+    <h2>(Using divide and choose)</h2>
+  </div>
+
+  <div *slide>
+    <h2>Black is stronger</h2>
+    <kirjs-board [game]="games.swap23"></kirjs-board>
+  </div>
+
+  <div *slide>
+    <h2>A draw?</h2>
+    <kirjs-board [game]="games.swap26"></kirjs-board>
+  </div>
+
+  <div *slide>
+    <h2>White surewin</h2>
+    <kirjs-board [game]="games.swap25"></kirjs-board>
+  </div>
+
+  <div *slide title blue>
+    <h1>Swap2 opening hasn't been solved by a computer</h1>
+  </div>
+
+  <div *slide title blue>
+    <h1>
+      <a href="https://gomocup.org">Gomocup</a> is a yearly gomoku AI
+      tournament.
+    </h1>
+  </div>
+
+  <div *slide title><h1>Now let's look at a real game</h1></div>
+
+  <div *slide>
+    <h2>Very Advanced - Defend from 4s</h2>
+    <kirjs-board [game]="games.defendFrom4s"></kirjs-board>
+  </div>
+
+  <div *slide><h1>How to start playing</h1></div>
+  <div *slide>
+    <h2>How to start playing</h2>
+    <ul>
+      <li>Online: <a href="https://www.playok.com/en/gomoku/">playok</a></li>
+      <li>Meetup: <a href="https://meetup.com/gomoku">meetup.com/gomoku</a></li>
+      <li>Here: I have brought pens and papers.</li>
+      <li>
+        Bonus:
+        <a href="http://kizu.ru/en/blog/counters-and-stones/"
+          >Gomoku in pure CSS</a
+        >
+      </li>
+      <li>Follow: <a href="thttps://twitter.com/kirjs">@kirjs</a></li>
+    </ul>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.ts
new file mode 100644
index 000000000..b3255a745
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.component.ts
@@ -0,0 +1,473 @@
+import { Component } from '@angular/core';
+import { parse } from 'babylon';
+import { TicTacToe, Gomoku } from 'gomoku-tools';
+import utils from 'gomoku-tools/src/tools/utils';
+
+declare const require;
+
+const json = require('./renlib/moves.json');
+
+class Node {
+  p: string;
+  down: boolean;
+  depth = 0;
+  parent: Node;
+  children: Node[] = [];
+
+  constructor(public position: [number, number]) {
+    this.p = position.join(',');
+  }
+
+  addChild(node: Node) {
+    this.children.push(node);
+    node.parent = this;
+    node.depth = this.depth + 1;
+  }
+}
+
+let i = 0;
+
+function buildTree(moves, index, parentNode) {
+  i++;
+  const move = moves[index];
+  let node = new Node(move.move);
+  node.down = !!move.down;
+
+  parentNode.addChild(node);
+
+  if (index + 1 < moves.length) {
+    if (move.down) {
+      node.down = true;
+    }
+
+    if (move.right) {
+      while (node && !node.down) {
+        if (!node) {
+          throw new Error('Weird');
+        }
+
+        node = node.parent;
+      }
+      node = node.parent;
+    }
+    return buildTree(moves, index + 1, node);
+  }
+}
+
+const parent = new Node([2, 2]);
+
+buildTree(json.moves, 0, parent);
+console.log(i);
+
+class RenlibGame {
+  private current: Node;
+  parent;
+
+  constructor(private start) {
+    this.current = start;
+  }
+
+  back() {
+    if (this.current.parent) {
+      this.current = this.current.parent;
+    }
+  }
+
+  moveTo(point) {
+    let child = this.current.children.find(
+      ({ position }) => position[0] === point[0] && position[1] === point[1]
+    );
+
+    if (!child) {
+      child = new Node(point);
+      this.current.children.push(child);
+    }
+    this.current = child;
+  }
+
+  forward() {}
+
+  getPosition() {
+    let node = this.current;
+
+    const game = [node.position];
+    while ((node = node.parent)) {
+      game.push(node.position);
+    }
+
+    const putStones = (stones, move, index) => {
+      stones[move[0]][move[1]] = (index % 2) + 1;
+      return stones;
+    };
+    const position = game
+      .reverse()
+      .reduce(putStones, utils.generateEmptyPosition(15, 15));
+
+    this.current.children
+      .map(n => n.position)
+      .reduce((stones, move) => {
+        stones[move[0]][move[1]] = (game.length % 2) + 1 + 2;
+        return stones;
+      }, position);
+
+    console.log(position);
+    return position;
+  }
+}
+
+@Component({
+  selector: 'kirjs-gomoku',
+  templateUrl: './gomoku.component.html',
+  styleUrls: ['./gomoku.component.css']
+})
+export class GomokuComponent {
+  fontSize = 18;
+
+  games = {
+    renlib: new RenlibGame(parent),
+    ticTacToe: new TicTacToe().moveTo('B2', 'A2', 'A1', 'C3', 'B1', 'B3', 'C1'),
+    empty: new Gomoku().moveTo(),
+    start: new Gomoku().moveTo('H8'),
+    start2: new Gomoku().moveTo('H8', 'H7'),
+    swap2: new Gomoku().moveTo('H8', 'E7', 'G8'), // Sure win
+    swap23: new Gomoku().moveTo('H8', 'E7', 'F10'), // Draw
+    swap24: new Gomoku().moveTo('H8', 'H13', 'M10'), // White surewin H11, 10 horizontal
+    swap25: new Gomoku().moveTo('C3', 'L7', 'F8'), // White surewin
+    swap26: new Gomoku().moveTo('H8', 'J8', 'M8'), // Central Draw
+    start5: new Gomoku()
+      .moveTo('H8', 'H7', 'I8', 'I7', 'J8', 'J7', 'K8', 'K7', 'L8')
+      .jumpToMove(2),
+    sample: new Gomoku()
+      .moveTo('H8', 'I7', 'H7', 'H6', 'G8', 'I8', 'H9', 'I6')
+      .jumpToMove(2),
+    start52: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J8',
+      'K8',
+      'J9',
+      'J7',
+      'G8',
+      'F8',
+      'G7',
+      'K7',
+      'L7',
+      'I6',
+      'L9',
+      'K5',
+      'K9',
+      'H5',
+      'G4',
+      'K4',
+      'K6',
+      'J5',
+      'L3',
+      'I5',
+      'L5',
+      'G5'
+    ),
+    fork33: new Gomoku().moveTo('H8', 'H7', 'I8', 'I7', 'J7', 'I6', 'J6', 'H6'),
+    fork43: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J7',
+      'I6',
+      'J6',
+      'H6',
+      'G8',
+      'F8'
+    ),
+    fork44: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J7',
+      'I6',
+      'J6',
+      'H6',
+      'G8',
+      'F8',
+      'J5',
+      'J4'
+    ),
+    wonGame: new Gomoku().moveTo(
+      'H8',
+      'I10',
+      'I11',
+      'H10',
+      'J10',
+      'I9',
+      'J8',
+      'J9',
+      'K9',
+      'L8',
+      'G9',
+      'I7',
+      'I6',
+      'I8',
+      'G8',
+      'L7',
+      'K8',
+      'L9',
+      'L10',
+      'J7',
+      'K7',
+      'L5',
+      'L6',
+      'K6',
+      'M4',
+      'H9'
+    ),
+    openThree: new Gomoku().moveTo('H8', 'H7', 'I8', 'I7', 'J8'),
+    old: new Gomoku().moveTo(
+      'h8',
+      'i8',
+      'h7',
+      'h9',
+      'j7',
+      'i7',
+      'i6',
+      'j5',
+      'h5',
+      'g4',
+      'h6',
+      'h4',
+      'f6',
+      'g6',
+      'g7',
+      'e5',
+      'f8',
+      'e9',
+      'f9',
+      'f7',
+      'g8',
+      'e10',
+      'j10',
+      'i9',
+      'j9',
+      'i10',
+      'i11',
+      'j8',
+      'e8',
+      'd8',
+      'h11',
+      'g10',
+      'h10',
+      'j12',
+      'k9',
+      'f11',
+      'e12',
+      'l8',
+      'k11',
+      'k8',
+      'm8',
+      'g11',
+      'h12',
+      'g13',
+      'g12',
+      'f12',
+      'e11',
+      'f4',
+      'i4',
+      'c7',
+      'f10',
+      'd6',
+      'g9',
+      'g3'
+    ),
+    moreFours: new Gomoku().moveTo(
+      'C14',
+      'C12',
+      'D14',
+      'D12',
+      'E14',
+      'F12',
+      'G14',
+      'G12',
+      'C10',
+      'B10',
+      'E10',
+      'O1',
+      'F10',
+      'N1',
+      'G10',
+      'H10'
+    ),
+    openThreeSpaced: new Gomoku().moveTo('H8', 'H7', 'I8', 'I7', 'K8'),
+    closedFour: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J8',
+      'K8',
+      'J9',
+      'J7',
+      'G8'
+    ),
+    closedBrokenFour: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J8',
+      'K8',
+      'J9',
+      'J7',
+      'F8'
+    ),
+    findWin: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J8',
+      'K8',
+      'J9',
+      'J7',
+      'G8',
+      'F8',
+      'G7',
+      'K7',
+      'L7',
+      'I6',
+      'L9'
+    ),
+    defendFrom4s: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J8',
+      'K8',
+      'J9',
+      'J7',
+      'G8',
+      'F8',
+      'G7',
+      'K7',
+      'L7',
+      'I6',
+      'L9',
+      'K5',
+      'K6',
+      'H5',
+      'G4',
+      'I5',
+      'J5',
+      'I4',
+      'I3'
+    ),
+    defendFrom4sSolved: new Gomoku().moveTo(
+      'H8',
+      'H7',
+      'I8',
+      'I7',
+      'J8',
+      'K8',
+      'J9',
+      'J7',
+      'G8',
+      'F8',
+      'G7',
+      'K7',
+      'L7',
+      'I6',
+      'L9',
+      'K5',
+      'K6',
+      'H5',
+      'G4',
+      'I5',
+      'J5',
+      'I4',
+      'I3',
+      'J6',
+      'N9',
+      'M8',
+      'K9',
+      'M9',
+      'L8',
+      'H4',
+      'G3',
+      'H6',
+      'H3',
+      'G6',
+      'F6'
+    ),
+    many4s: new Gomoku()
+      .moveTo(
+        'h8',
+        'i9',
+        'j9',
+        'j8',
+        'h11',
+        'h10',
+        'g11',
+        'i11',
+        'i10',
+        'g12',
+        'g9',
+        'f10',
+        'g8',
+        'g10',
+        'e10',
+        'f9',
+        'f7',
+        'h9',
+        'f11',
+        'e8',
+        'd7',
+        'e6',
+        'g5',
+        'g7',
+        'e5',
+        'f4',
+        'd8',
+        'd9',
+        'd5',
+        'c5',
+        'h5',
+        'f5',
+        'f3',
+        'g4',
+        'h4',
+        'h3',
+        'i2',
+        'i3',
+        'j3',
+        'j5',
+        'k4',
+        'l5',
+        'e7',
+        'f6',
+        'b7',
+        'c7',
+        'e4',
+        'c6',
+        'g2',
+        'h1',
+        'i4',
+        'g6',
+        'd6',
+        'd4',
+        'h6',
+        'h7',
+        'k2',
+        'l1',
+        'j2',
+        'h2',
+        'l2',
+        'm2',
+        'j4',
+        'l4',
+        'k3'
+      )
+      .jumpToMove(39)
+  };
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.module.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.module.ts
new file mode 100644
index 000000000..796989e51
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/gomoku.module.ts
@@ -0,0 +1,25 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { BrowserWindowModule } from '@codelab/browser';
+import { GomokuComponent } from './gomoku.component';
+import { GomokuBoardModule } from './board/board.module';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(GomokuComponent));
+
+@NgModule({
+  imports: [
+    routes,
+
+    BrowserWindowModule,
+    FeedbackModule,
+    CommonModule,
+    GomokuBoardModule,
+    SlidesModule
+  ],
+  declarations: [GomokuComponent],
+  exports: [GomokuComponent]
+})
+export class GomokuModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/highlights.spec.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/highlights.spec.ts
new file mode 100644
index 000000000..e92274b22
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/highlights.spec.ts
@@ -0,0 +1,33 @@
+import { Highlights } from './highlights';
+
+describe('highlights', () => {
+  beforeEach(() => {
+    this.highlights = new Highlights();
+  });
+
+  it('gets empty value if there are no highlightss set', () => {
+    expect(this.highlights.get([0, 0])).toBe('');
+  });
+
+  it('Toggles single value', () => {
+    this.highlights.toggle([1, 2], 'pirojok');
+    expect(this.highlights.get([1, 2])).toBe('pirojok');
+    expect(this.highlights.get([5, 5])).toBe('');
+    this.highlights.toggle([1, 2], 'pirojok');
+    expect(this.highlights.get([1, 2])).toBe('');
+  });
+
+  it('Toggles multiple values', () => {
+    this.highlights.toggle([1, 2], 'a');
+    this.highlights.toggle([1, 2], 'b');
+    expect(this.highlights.get([1, 2])).toBe('a b');
+    this.highlights.toggle([1, 2], 'c');
+    expect(this.highlights.get([1, 2])).toBe('a b c');
+    this.highlights.toggle([1, 2], 'b');
+    expect(this.highlights.get([1, 2])).toBe('a c');
+  });
+
+  it('Allows chaning', () => {
+    expect(this.highlights.toggle([1, 2], 'a').get([1, 2])).toBe('a');
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/highlights.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/highlights.ts
new file mode 100644
index 000000000..b062c4f53
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/highlights.ts
@@ -0,0 +1,67 @@
+export class Highlights {
+  history = [];
+  historyIndex = 0;
+
+  constructor(public highlights = []) {}
+
+  redo() {
+    if (this.historyIndex < this.history.length) {
+      this.historyIndex++;
+      const change = this.history[this.historyIndex];
+      this.highlights[change.point[0]][change.point[1]] = change.newValue;
+    }
+  }
+
+  undo() {
+    if (this.historyIndex > 0) {
+      this.historyIndex--;
+      const change = this.history[this.historyIndex];
+      this.highlights[change.point[0]][change.point[1]] = change.oldValue;
+    }
+  }
+
+  toggle([x, y], type) {
+    this.highlights[x] = this.highlights[x] || [];
+    this.highlights[x][y] = this.highlights[x][y] || [];
+    const oldValue = [...this.highlights[x][y]];
+    let newValue;
+    if (this.highlights[x][y].includes(type)) {
+      newValue = this.highlights[x][y] = this.highlights[x][y].filter(
+        a => a !== type
+      );
+    } else {
+      this.highlights[x][y].push(type);
+      newValue = this.highlights[x][y];
+    }
+
+    this.history = this.history.slice(0, this.historyIndex);
+    this.history.push({
+      point: [x, y],
+      oldValue,
+      newValue
+    });
+
+    this.historyIndex++;
+
+    return this;
+  }
+
+  get([x, y]) {
+    return (
+      (this.highlights[x] &&
+        this.highlights[x][y] &&
+        this.highlights[x][y].join(' ')) ||
+      ''
+    );
+  }
+
+  clear(point?) {
+    const [x, y] = point;
+    if (point) {
+      this.highlights[x] = this.highlights[x] || [];
+      this.highlights[x][y] = [];
+    } else {
+      this.highlights = [];
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/print/hb.jpg b/codelab-master/apps/kirjs/src/app/modules/gomoku/print/hb.jpg
new file mode 100644
index 000000000..b51cae72b
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diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/I7.lib b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/I7.lib
new file mode 100644
index 000000000..7152b8100
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/I7.lib differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/lines.lib b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/lines.lib
new file mode 100644
index 000000000..21912ff95
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/lines.lib differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/moves.json b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/moves.json
new file mode 100644
index 000000000..14cdd9177
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/moves.json
@@ -0,0 +1,173 @@
+{
+  "header": { "open": 255, "type": "RenLib", "major": 3, "minor": 0 },
+  "moves": [
+    {
+      "move": [7, 7],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [6, 7],
+      "down": 1,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [5, 7],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [4, 7],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [3, 7],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [2, 7],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [1, 7],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [0, 7],
+      "down": 0,
+      "right": 1,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [6, 8],
+      "down": 1,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [5, 9],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [4, 8],
+      "down": 1,
+      "right": 1,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [4, 10],
+      "down": 0,
+      "right": 0,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [3, 11],
+      "down": 0,
+      "right": 1,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    },
+    {
+      "move": [7, 8],
+      "down": 0,
+      "right": 1,
+      "hz4": 0,
+      "mark": 0,
+      "hasComment": 0,
+      "hz2": 0,
+      "hz1": 0,
+      "extension": 0,
+      "comment": {}
+    }
+  ]
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/parse.js b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/parse.js
new file mode 100644
index 000000000..7ebf010c2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/parse.js
@@ -0,0 +1,64 @@
+// Module import
+const fs = require('fs');
+const Parser = require('binary-parser').Parser;
+
+const readComment = Parser.start()
+  .array('comment', {
+    type: 'uint8',
+    readUntil: function(a, b) {
+      return b.readUInt16LE() === 0 || b.length < 3;
+    },
+    formatter: function(a) {
+      return a
+        .map(v => String.fromCharCode(parseInt(v, 10).toString(10)))
+        .join('');
+    }
+  })
+  .skip(2);
+
+const readMove = Parser.start()
+  .uint8('move', {
+    formatter: flag => [(flag % 16) - 1, Math.ceil(flag / 16) - 1]
+  })
+  .bit1('down') // 128  Has Siblings
+  .bit1('right') // 64 Has a child node, into the subtree
+  .bit1('hz4')
+  .bit1('mark')
+  .bit1('hasComment')
+  .bit1('hz2')
+  .bit1('hz1')
+  .bit1('extension')
+  .choice('comment', {
+    tag: 'hasComment',
+    choices: {
+      0: Parser.start(),
+      1: readComment
+    }
+  });
+
+const header = Parser.start()
+  .endianess('little')
+  .uint8('open', { assert: 255 })
+  .string('type', {
+    length: 6,
+    assert: 'RenLib'
+  })
+  .uint8('open', { assert: 255 })
+  .int8('major', { assert: 3 })
+  .int8('minor')
+  .skip(10);
+
+p = new Parser()
+  .nest('header', {
+    type: header
+  })
+  .array('moves', {
+    type: readMove,
+    readUntil: 'eof'
+  });
+
+require('fs').readFile('ss.lib', function(err, data) {
+  const v = p.parse(data);
+  console.log(JSON.stringify(v));
+  fs.writeFileSync('moves.json', JSON.stringify(v), 'UTF-8');
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/ss.lib b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/ss.lib
new file mode 100644
index 000000000..d7affbd91
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/ss.lib differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/test.lib b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/test.lib
new file mode 100644
index 000000000..600e04664
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/gomoku/renlib/test.lib differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.css b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.css
new file mode 100644
index 000000000..8a67333b1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.css
@@ -0,0 +1,48 @@
+.tools {
+  display: flex;
+}
+
+.tool.selected {
+  outline: 1px #888 solid;
+  background: #eeeeee;
+}
+
+.tool {
+  outline: 1px #ddd solid;
+  width: 30px;
+  height: 30px;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.tool-next:before {
+  content: '?';
+}
+
+.tool-clear:before {
+  content: 'X';
+}
+
+.tool-undo:before {
+  content: '⎌';
+}
+
+.tool-redo {
+  content: '⎌';
+  transform: scale(-1, 1);
+}
+
+.tool-red-maybe:before {
+  content: '🔴';
+  opacity: 0.5;
+}
+
+.tool-highlight:before {
+  content: '▩';
+}
+
+.tool-black-maybe:before {
+  content: '⚫';
+  opacity: 0.5;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.html b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.html
new file mode 100644
index 000000000..58089fe00
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.html
@@ -0,0 +1,9 @@
+<div class="tools">
+  <div
+    *ngFor="let tool of tools"
+    class="tool tool-{{ tool.name }}"
+    [class.selected]="selectedTool.name === tool.name"
+    (click)="handle(tool)"
+  ></div>
+</div>
+{{ selectedTool | json }}?
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.spec.ts
new file mode 100644
index 000000000..19c3fc584
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ToolsComponent } from './tools.component';
+
+describe('ToolsComponent', () => {
+  let component: ToolsComponent;
+  let fixture: ComponentFixture<ToolsComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ToolsComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ToolsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.ts b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.ts
new file mode 100644
index 000000000..97d47d07f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/gomoku/tools/tools.component.ts
@@ -0,0 +1,109 @@
+import { Component, HostListener, Input, OnInit } from '@angular/core';
+import { Highlights } from '../highlights';
+
+@Component({
+  selector: 'kirjs-tools',
+  templateUrl: './tools.component.html',
+  styleUrls: ['./tools.component.css']
+})
+export class ToolsComponent implements OnInit {
+  @Input() game;
+  @Input() highlights;
+
+  tools = [
+    {
+      name: 'next',
+      action: function(point, game) {
+        game.moveTo(point);
+      },
+      init: function() {
+        return this;
+      }
+    },
+    {
+      name: 'red-maybe',
+      action: function(point, game, highlights) {
+        highlights.toggle(point, 'highlight-transparent cell-2');
+      },
+      init: function() {
+        return this;
+      }
+    },
+    {
+      name: 'black-maybe',
+      action: function(point, game, highlights) {
+        highlights.toggle(point, 'highlight-transparent cell-1');
+      },
+      init: function() {
+        return this;
+      }
+    },
+    {
+      name: 'highlight',
+      action: function(point, game, highlights) {
+        highlights.toggle(point, 'highlight-yellow');
+      },
+      init: function() {
+        return this;
+      }
+    },
+    {
+      name: 'highlight2',
+      action: function(point, game, highlights: Highlights) {
+        highlights.toggle(point, 'highlight-orange');
+      },
+      init: function() {
+        return this;
+      }
+    },
+    {
+      name: 'clear',
+      action: function(point, game, highlights) {
+        highlights.clear(point);
+      },
+      init: function() {
+        return this;
+      }
+    },
+    {
+      name: 'clear-all',
+      init: function(game, highlights: Highlights) {
+        highlights.clear();
+      }
+    },
+    {
+      name: 'undo',
+      init: function(game, highlights: Highlights) {
+        highlights.undo();
+      }
+    },
+    {
+      name: 'redo',
+      init: function(game, highlights: Highlights) {
+        highlights.redo();
+      }
+    }
+  ];
+  selectedTool: any;
+
+  @HostListener('window:keydown', ['$event.keyCode'])
+  shortcut(a: number) {
+    if (a >= 48 && a <= 57) {
+      this.handle(this.tools[a - 49]);
+    }
+  }
+
+  handle(tool) {
+    const selected = tool.init(this.game, this.highlights);
+
+    if (selected) {
+      this.selectedTool = tool;
+    }
+  }
+
+  constructor() {
+    this.selectedTool = this.tools[0];
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/home.component.css b/codelab-master/apps/kirjs/src/app/modules/home/home.component.css
new file mode 100644
index 000000000..80f2b1526
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/home.component.css
@@ -0,0 +1,37 @@
+.wrapper {
+  font-family: 'Helvetica Neue', sans-serif;
+  font-weight: 300;
+  border-top: 10vw black solid;
+  border-bottom: 10vw black solid;
+  box-sizing: border-box;
+}
+
+kirjs-polaroid {
+  display: block;
+  margin-left: 30px;
+}
+
+.picture.fb {
+  background: url(pics/fb.png);
+  background-size: cover;
+}
+
+.picture.lastfm {
+  background: url(pics/lastfm.png);
+  background-size: cover;
+}
+
+.picture.binary {
+  background: url(pics/binary.png);
+  background-size: cover;
+}
+
+.picture.kirjs {
+  background: url(pics/kirjs.jpg);
+  background-size: cover;
+}
+
+a {
+  text-decoration: none;
+  color: #444;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/home.component.html b/codelab-master/apps/kirjs/src/app/modules/home/home.component.html
new file mode 100644
index 000000000..997aa7454
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/home.component.html
@@ -0,0 +1,57 @@
+<div
+  class="wrapper"
+  style="width: 100%;height: 100%;display: flex;align-items: center;justify-content: center"
+>
+  <!--<svg style="width: 400px; height: 400px;">-->
+  <!--<defs>-->
+  <!--<clipPath id="cut-off-bottom">-->
+  <!--<rect x="0" y="0" width="400" height="200"/>-->
+  <!--</clipPath>-->
+  <!--<clipPath id="cut-off-top">-->
+  <!--<rect x="0" y="300" width="400" height="100"/>-->
+  <!--</clipPath>-->
+  <!--<pattern id="image" x="0" y="0" patternUnits="userSpaceOnUse" height="400" width="400">-->
+  <!--<image x="0" y="0"-->
+  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"></image>-->
+  <!--</pattern>-->
+  <!--</defs>-->
+  <!--<circle [attr.r]="200" [attr.cx]="200" [attr.cy]="200"-->
+  <!--fill="black"></circle>-->
+  <!--<circle clip-path="url(#cut-off-bottom)" filter="url(#pictureFilter)" [attr.r]="200" [attr.cx]="200" [attr.cy]="200"-->
+  <!--fill="url(#image)"></circle>-->
+  <!--<text font-family="sans-serif" fill="white" x="200" y="270" text-anchor="middle" text-decoration="underline"-->
+  <!--font-size="60">-->
+  <!--<a href="https://twitter.com/kirjs" fill="white">🔥kirjs</a></text>-->
+  <!--<circle clip-path="url(#cut-off-top)" filter="url(#pictureFilter)" [attr.r]="200" [attr.cx]="200" [attr.cy]="200"-->
+  <!--fill="url(#image)"></circle>-->
+  <!--</svg>-->
+
+  <kirjs-polaroid>
+    <div class="picture kirjs"></div>
+    <div class="text">Hi, I'm Kirill, I live in NYC</div>
+  </kirjs-polaroid>
+
+  <a href="https://firebase.com" target="_blank">
+    <kirjs-polaroid>
+      <div class="picture fb"></div>
+      <div class="text">I work for Firebase.</div>
+    </kirjs-polaroid>
+  </a>
+
+  <a href="https://last.fm/user/vavan" target="_blank">
+    <kirjs-polaroid>
+      <div class="picture lastfm"></div>
+      <div class="text">
+        I enjoy music. Last.fm logged all the music I listened starting with
+        2005.
+      </div>
+    </kirjs-polaroid>
+  </a>
+
+  <a href="/binary/0">
+    <kirjs-polaroid>
+      <div class="picture binary"></div>
+      <div class="text">Upcoming "Binary ❤️ JS" Presentation</div>
+    </kirjs-polaroid>
+  </a>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/home.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/home/home.component.spec.ts
new file mode 100644
index 000000000..7e1d513de
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/home.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HomeComponent } from './home.component';
+
+describe('HomeComponent', () => {
+  let component: HomeComponent;
+  let fixture: ComponentFixture<HomeComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [HomeComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HomeComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/home.component.ts b/codelab-master/apps/kirjs/src/app/modules/home/home.component.ts
new file mode 100644
index 000000000..45ec85e99
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/home.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-home',
+  templateUrl: './home.component.html',
+  styleUrls: ['./home.component.css']
+})
+export class HomeComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/home.module.spec.ts b/codelab-master/apps/kirjs/src/app/modules/home/home.module.spec.ts
new file mode 100644
index 000000000..0f1337bab
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/home.module.spec.ts
@@ -0,0 +1,13 @@
+import { HomeModule } from './home.module';
+
+describe('HomeModule', () => {
+  let homeModule: HomeModule;
+
+  beforeEach(() => {
+    homeModule = new HomeModule();
+  });
+
+  it('should create an instance', () => {
+    expect(homeModule).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/home.module.ts b/codelab-master/apps/kirjs/src/app/modules/home/home.module.ts
new file mode 100644
index 000000000..aac3251ec
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/home.module.ts
@@ -0,0 +1,20 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { HomeComponent } from './home.component';
+import { RouterModule } from '@angular/router';
+import { PolaroidComponent } from './polaroid/polaroid.component';
+
+@NgModule({
+  imports: [
+    CommonModule,
+    RouterModule.forChild([
+      {
+        path: '',
+        component: HomeComponent
+      }
+    ])
+  ],
+  declarations: [HomeComponent, PolaroidComponent],
+  entryComponents: [HomeComponent]
+})
+export class HomeModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/pics/binary.png b/codelab-master/apps/kirjs/src/app/modules/home/pics/binary.png
new file mode 100644
index 000000000..7954c9a42
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/home/pics/binary.png differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/pics/fb.png b/codelab-master/apps/kirjs/src/app/modules/home/pics/fb.png
new file mode 100644
index 000000000..37b64aa0b
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diff --git a/codelab-master/apps/kirjs/src/app/modules/home/pics/kirjs.jpg b/codelab-master/apps/kirjs/src/app/modules/home/pics/kirjs.jpg
new file mode 100644
index 000000000..c008d66d5
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diff --git a/codelab-master/apps/kirjs/src/app/modules/home/pics/lastfm.png b/codelab-master/apps/kirjs/src/app/modules/home/pics/lastfm.png
new file mode 100644
index 000000000..8f7285ced
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diff --git a/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.css b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.css
new file mode 100644
index 000000000..371678bae
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.css
@@ -0,0 +1,22 @@
+::ng-deep .picture {
+  width: 200px;
+  height: 200px;
+  background-size: cover;
+  box-shadow: 0 0 10px #444 inset;
+  border-radius: 50%;
+}
+
+.frame-outer {
+  width: 240px;
+  height: 400px;
+  background: #fff;
+  padding: 20px;
+  box-sizing: border-box;
+}
+
+.text {
+  margin-top: 20px;
+  background: white;
+  padding: 20px;
+  font-size: 1.3vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.html b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.html
new file mode 100644
index 000000000..5a09b2335
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.html
@@ -0,0 +1,4 @@
+<div class="frame-outer">
+  <div class="picture"><ng-content select=".picture"></ng-content></div>
+  <div class="text"><ng-content select=".text"></ng-content></div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.spec.ts
new file mode 100644
index 000000000..217720ecc
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PolaroidComponent } from './polaroid.component';
+
+describe('PolaroidComponent', () => {
+  let component: PolaroidComponent;
+  let fixture: ComponentFixture<PolaroidComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [PolaroidComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PolaroidComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.ts b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.ts
new file mode 100644
index 000000000..d9bea0d24
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/home/polaroid/polaroid.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-polaroid',
+  templateUrl: './polaroid.component.html',
+  styleUrls: ['./polaroid.component.css']
+})
+export class PolaroidComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.css b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.css
new file mode 100644
index 000000000..7583334b0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.css
@@ -0,0 +1,23 @@
+.pic {
+  width: 100%;
+  height: 100%;
+
+  background-repeat: no-repeat;
+  background-size: contain;
+}
+
+.awesome {
+  background-image: url(./pics/awesome.png);
+}
+
+.default {
+  background-image: url(./pics/default.png);
+}
+
+.ivy {
+  background-image: url(./pics/ivy.png);
+}
+
+.differential-loading {
+  background-image: url(./pics/differential-loading.png);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.html b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.html
new file mode 100644
index 000000000..ec5975c2f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.html
@@ -0,0 +1,94 @@
+<slide-deck slidesRouting slides-tracking>
+  <div *isPresenting slideShortcuts></div>
+  <div *isAdmin slideShortcuts></div>
+
+  <codelab-sync-button></codelab-sync-button>
+
+  <div *slide id="start">
+    <h1 style="font-size: 60px;">What's new in the Angular World</h1>
+    <h2>by @kirjs</h2>
+  </div>
+
+  <div *slide id="registration">
+    <codelab-registration></codelab-registration>
+  </div>
+
+  <div *slide id="poll-0">
+    <codelab-poll [poll]="polls[0]"></codelab-poll>
+  </div>
+
+  <div *slide id="poll-1">
+    <codelab-poll [poll]="polls[1]"></codelab-poll>
+  </div>
+
+  <div *slide id="poll-2">
+    <codelab-poll [poll]="polls[2]"></codelab-poll>
+  </div>
+
+  <div *slide id="poll-3">
+    <codelab-poll [poll]="polls[3]"></codelab-poll>
+  </div>
+
+  <div *slide id="quiz-1">
+    <codelab-poll [poll]="polls[4]"></codelab-poll>
+  </div>
+
+  <div *slide id="awesome">
+    <h1>ng make-this-awesome</h1>
+    <div class="pic awesome"></div>
+  </div>
+
+  <div *slide id="ng-deploy">
+    <h1>ng deploy</h1>
+    <h2>
+      Now you can deploy your angular-cli app to multiple cloud providers using
+      ng deploy command
+    </h2>
+    <code>
+      <pre style="font-size: 2vw;">
+ng add @angular/fire@next
+ng deploy
+    </pre
+      >
+    </code>
+    <h2>Now you can deploy</h2>
+    <ul>
+      <li>Firebase</li>
+      <li>Netlify</li>
+      <li>Azure</li>
+      <li>Github</li>
+      <li>And more...</li>
+    </ul>
+  </div>
+  <div *slide id="differential-loading">
+    <h1>Differential loading</h1>
+    <div class="pic differential-loading"></div>
+    <div style="background: #444;color: #fff; padding: 20px;">
+      <h2>✨ Juan's tip ✨</h2>
+      <h2>https://browserl.ist/</h2>
+    </div>
+  </div>
+
+  <div *slide id="default-app">
+    <h1>New default app</h1>
+    <div class="pic default"></div>
+  </div>
+
+  <div *slide id="quiz-2">
+    <codelab-poll [poll]="polls[5]"></codelab-poll>
+  </div>
+
+  <div *slide id="ivy">
+    <h1>Angular ivy</h1>
+    <div class="pic ivy"></div>
+  </div>
+
+  <div *slide id="quiz-3">
+    <codelab-poll [poll]="polls[6]"></codelab-poll>
+  </div>
+
+  <div *slide id="material">
+    <h1>cdk-experimental clipboard service + directive</h1>
+    <div class="pic ivy"></div>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.spec.ts
new file mode 100644
index 000000000..ff1d7c939
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MskComponent } from './msk.component';
+
+describe('MskComponent', () => {
+  let component: MskComponent;
+  let fixture: ComponentFixture<MskComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [MskComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(MskComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.ts b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.ts
new file mode 100644
index 000000000..ab9970171
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/msk/msk.component.ts
@@ -0,0 +1,109 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-msk',
+  templateUrl: './msk.component.html',
+  styleUrls: ['./msk.component.css']
+})
+export class MskComponent implements OnInit {
+  polls = [
+    {
+      key: 'favorite',
+      type: 'choice',
+      question: 'Which framework do you use most at work?',
+      options: [
+        'Angular',
+        'AngularJS',
+        'React',
+        'Vue',
+        'Svelte',
+        'jQuery',
+        'Something else'
+      ]
+    },
+    {
+      key: 'skill',
+      type: 'choice',
+      question: 'How well do you know angular?',
+      options: [
+        'Not at all',
+        'Somewhat',
+        'I can use it',
+        'Good',
+        'Really good',
+        "I'm Minko Fluin"
+      ]
+    },
+    {
+      key: 'build-dev',
+      type: 'choice',
+      question:
+        'how long does it take to rebuild your app in dev mode (and see the result via local dev server) - the total turnaround time',
+      options: [
+        '< 1 second',
+        '1 - 5 seconds',
+        '5 - 10 seconds',
+        '10 - 30 seconds',
+        '30 - 60 seconds',
+        '1-10 minutes',
+        'More than 10 minutes'
+      ]
+    },
+    {
+      key: 'build-prod',
+      type: 'choice',
+      question:
+        'how long does it take to create a production build of your app',
+      options: [
+        '< 1 second',
+        '1 - 5 seconds',
+        '5 - 10 seconds',
+        '10 - 30 seconds',
+        '30 - 60 seconds',
+        '1-10 minutes',
+        'More than 10 minutes'
+      ]
+    },
+    {
+      key: 'cli',
+      type: 'choice',
+      question: 'Which feature is NOT in CLI 8.3.0-next.2 ',
+      answer: 'New command ng make-this-awesome',
+      options: [
+        'Redesigned default app',
+        'New command ng make-this-awesome',
+        'Faster builds with enabled differential loading',
+        'New command ng deploy'
+      ]
+    },
+    {
+      key: 'tomorrow',
+      type: 'choice',
+      question: 'What is being released today?',
+      answer: 'CLI 9.0.0-next.0 with Ivy by default',
+      options: [
+        'CLI 9.0.0-next.0 with Ivy by default',
+        'RxJS 8',
+        'React 16.12',
+        'Angular XS'
+      ]
+    },
+    {
+      key: 'material',
+      type: 'choice',
+      question:
+        'Which feature was added to Angular CDK library 8.1.3 "gelatin-key" (2019-08-14)?',
+      answer: '',
+      options: [
+        'Windows 95 theme support',
+        'Drag and drop',
+        'New material-fox component',
+        'New Clipboard service + directive'
+      ]
+    }
+  ];
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/msk.module.ts b/codelab-master/apps/kirjs/src/app/modules/msk/msk.module.ts
new file mode 100644
index 000000000..8af8593c6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/msk/msk.module.ts
@@ -0,0 +1,45 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { RouterModule } from '@angular/router';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { SyncDataService } from '@codelab/utils/src/lib/sync/services/sync-data.service';
+import { SyncSessionService } from '@codelab/utils/src/lib/sync/services/sync-session.service';
+import { SyncDbService } from '@codelab/utils/src/lib/sync/services/sync-db.service';
+import { SyncPollService } from '@codelab/utils/src/lib/sync/components/poll/common/sync-poll.service';
+import { SyncRegistrationService } from '@codelab/utils/src/lib/sync/components/registration/sync-registration.service';
+import { SyncButtonModule } from '@codelab/utils/src/lib/sync/sync-button/sync-button.module';
+import { QuestionsModule } from '@codelab/utils/src/lib/sync/components/questions/questions.module';
+import { SyncModule } from '@codelab/utils/src/lib/sync/sync.module';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { SyncDirectivesModule } from '@codelab/utils/src/lib/sync/directives/sync-directives.module';
+import { SyncRegistrationModule } from '@codelab/utils/src/lib/sync/components/registration/sync-registration.module';
+import { SyncPollModule } from '@codelab/utils/src/lib/sync/components/poll/sync-poll.module';
+import { MskComponent } from './msk.component';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(MskComponent));
+
+@NgModule({
+  providers: [
+    SyncDataService,
+    SyncSessionService,
+    SyncDbService,
+    SyncPollService,
+    SyncRegistrationService
+  ],
+  declarations: [MskComponent],
+  imports: [
+    CommonModule,
+    SlidesModule,
+    routes,
+    QuestionsModule,
+    SyncModule,
+    AngularFireAuthModule,
+    AngularFireDatabaseModule,
+    SyncButtonModule,
+    SyncDirectivesModule,
+    SyncRegistrationModule,
+    SyncPollModule
+  ]
+})
+export class MskModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/pics/awesome.png b/codelab-master/apps/kirjs/src/app/modules/msk/pics/awesome.png
new file mode 100644
index 000000000..6b99a428e
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/msk/pics/awesome.png differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/pics/default.png b/codelab-master/apps/kirjs/src/app/modules/msk/pics/default.png
new file mode 100644
index 000000000..879d33286
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/msk/pics/default.png differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/pics/differential-loading.png b/codelab-master/apps/kirjs/src/app/modules/msk/pics/differential-loading.png
new file mode 100644
index 000000000..897816f6b
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/msk/pics/differential-loading.png differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/pics/ivy-router-component.jpeg b/codelab-master/apps/kirjs/src/app/modules/msk/pics/ivy-router-component.jpeg
new file mode 100644
index 000000000..9307cb737
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/msk/pics/ivy-router-component.jpeg differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/msk/pics/ivy.png b/codelab-master/apps/kirjs/src/app/modules/msk/pics/ivy.png
new file mode 100644
index 000000000..58be22891
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/msk/pics/ivy.png differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/music/music.component.css b/codelab-master/apps/kirjs/src/app/modules/music/music.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/music/music.component.html b/codelab-master/apps/kirjs/src/app/modules/music/music.component.html
new file mode 100644
index 000000000..67fc81f04
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/music/music.component.html
@@ -0,0 +1 @@
+<p>music works!</p>
diff --git a/codelab-master/apps/kirjs/src/app/modules/music/music.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/music/music.component.spec.ts
new file mode 100644
index 000000000..e458615d1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/music/music.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { MusicComponent } from './music.component';
+
+describe('MusicComponent', () => {
+  let component: MusicComponent;
+  let fixture: ComponentFixture<MusicComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [MusicComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(MusicComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/music/music.component.ts b/codelab-master/apps/kirjs/src/app/modules/music/music.component.ts
new file mode 100644
index 000000000..25ce8cc4e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/music/music.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-music',
+  templateUrl: './music.component.html',
+  styleUrls: ['./music.component.css']
+})
+export class MusicComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/music/music.module.ts b/codelab-master/apps/kirjs/src/app/modules/music/music.module.ts
new file mode 100644
index 000000000..ce773594e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/music/music.module.ts
@@ -0,0 +1,9 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { MusicComponent } from './music.component';
+
+@NgModule({
+  imports: [CommonModule],
+  declarations: [MusicComponent]
+})
+export class MusicModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.css b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.css
new file mode 100644
index 000000000..27e2cc5f7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.css
@@ -0,0 +1,5 @@
+:host ::ng-deep {
+  display: block;
+  padding: 40px;
+  position: relative;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.html b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.html
new file mode 100644
index 000000000..a4cdbfa0b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.html
@@ -0,0 +1,3 @@
+<codelab-sync-button></codelab-sync-button>
+<codelab-questions></codelab-questions>
+<codelab-registration *isAdmin></codelab-registration>
diff --git a/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.spec.ts
new file mode 100644
index 000000000..3b7569c9b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { QnaComponent } from './qna.component';
+
+describe('QnaComponent', () => {
+  let component: QnaComponent;
+  let fixture: ComponentFixture<QnaComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [QnaComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(QnaComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.ts b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.ts
new file mode 100644
index 000000000..39f66b315
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/qna/qna.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-qna',
+  templateUrl: './qna.component.html',
+  styleUrls: ['./qna.component.css']
+})
+export class QnaComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/qna/qna.module.ts b/codelab-master/apps/kirjs/src/app/modules/qna/qna.module.ts
new file mode 100644
index 000000000..1010a5183
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/qna/qna.module.ts
@@ -0,0 +1,43 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { CommonModule } from '@angular/common';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { SlidesModule } from '@ng360/slides';
+import { QuestionsModule } from '@codelab/utils/src/lib/sync/components/questions/questions.module';
+import { SyncModule } from '@codelab/utils/src/lib/sync/sync.module';
+import { SyncDataService } from '@codelab/utils/src/lib/sync/services/sync-data.service';
+import { SyncRegistrationService } from '@codelab/utils/src/lib/sync/components/registration/sync-registration.service';
+import { SyncSessionService } from '@codelab/utils/src/lib/sync/services/sync-session.service';
+import { SyncDbService } from '@codelab/utils/src/lib/sync/services/sync-db.service';
+import { SyncPollService } from '@codelab/utils/src/lib/sync/components/poll/common/sync-poll.service';
+import { SyncButtonModule } from '@codelab/utils/src/lib/sync/sync-button/sync-button.module';
+import { SyncDirectivesModule } from '@codelab/utils/src/lib/sync/directives/sync-directives.module';
+import { SyncRegistrationModule } from '@codelab/utils/src/lib/sync/components/registration/sync-registration.module';
+import { QnaComponent } from './qna.component';
+
+const routes = RouterModule.forChild([{ path: '', component: QnaComponent }]);
+
+@NgModule({
+  declarations: [QnaComponent],
+  providers: [
+    SyncDataService,
+    SyncSessionService,
+    SyncDbService,
+    SyncPollService,
+    SyncRegistrationService
+  ],
+  imports: [
+    CommonModule,
+    SlidesModule,
+    routes,
+    QuestionsModule,
+    SyncModule,
+    AngularFireAuthModule,
+    AngularFireDatabaseModule,
+    SyncButtonModule,
+    SyncDirectivesModule,
+    SyncRegistrationModule
+  ]
+})
+export class QnaModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/index.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/index.ts
new file mode 100644
index 000000000..28971d890
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/index.ts
@@ -0,0 +1 @@
+export * from './live.module';
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/index.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/index.ts
new file mode 100644
index 000000000..61fa8274b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/index.ts
@@ -0,0 +1 @@
+export * from './live-mock.module';
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.css b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.html b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.html
new file mode 100644
index 000000000..4b0be7ab7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.html
@@ -0,0 +1,10 @@
+<form [formGroup]="form">
+  <select formControlName="status">
+    <option value="presenter">Presenter</option>
+    <option value="viewer">Viewer</option>
+  </select>
+
+  <input formControlName="user" />
+
+  <pre>{{ data | json }}</pre>
+</form>
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.spec.ts
new file mode 100644
index 000000000..a509a94f1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { LiveMockComponent } from './live-mock.component';
+
+describe('LiveMockComponent', () => {
+  let component: LiveMockComponent;
+  let fixture: ComponentFixture<LiveMockComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [LiveMockComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LiveMockComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.ts
new file mode 100644
index 000000000..10c89ee47
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.component.ts
@@ -0,0 +1,39 @@
+import { Component, OnDestroy, OnInit } from '@angular/core';
+import { LiveService, LiveInfo } from '../live.service';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+import { FormBuilder, FormGroup } from '@angular/forms';
+
+@Component({
+  selector: 'kirjs-live-mock-component',
+  templateUrl: './live-mock.component.html',
+  styleUrls: ['./live-mock.component.css']
+})
+export class LiveMockComponent implements OnInit, OnDestroy {
+  data: LiveInfo;
+
+  form: FormGroup = this.fb.group({
+    user: this.fb.control(''),
+    status: this.fb.control('')
+  });
+
+  private onDestroy: Subject<null> = new Subject<null>();
+
+  constructor(private service: LiveService, private fb: FormBuilder) {}
+
+  ngOnInit() {
+    this.form.valueChanges.subscribe(data => {
+      this.service.storeLiveInfo(data);
+    });
+
+    this.service.liveInfo.pipe(takeUntil(this.onDestroy)).subscribe(data => {
+      this.data = data;
+      this.form.patchValue(data, { emitEvent: false });
+    });
+  }
+
+  ngOnDestroy(): void {
+    this.onDestroy.next(null);
+    this.onDestroy.complete();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.module.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.module.ts
new file mode 100644
index 000000000..37a0399f6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live-mock/live-mock.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+import { LiveMockComponent } from './live-mock.component';
+
+@NgModule({
+  imports: [CommonModule, ReactiveFormsModule],
+  declarations: [LiveMockComponent],
+  exports: [LiveMockComponent]
+})
+export class LiveMockModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live.module.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/live.module.ts
new file mode 100644
index 000000000..982a4abf0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live.module.ts
@@ -0,0 +1,9 @@
+import { NgModule } from '@angular/core';
+
+import { LiveMockModule } from './live-mock';
+import { PollModule } from './poll';
+
+@NgModule({
+  exports: [LiveMockModule, PollModule]
+})
+export class LiveModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live.service.spec.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/live.service.spec.ts
new file mode 100644
index 000000000..2f952aeca
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live.service.spec.ts
@@ -0,0 +1,12 @@
+import { TestBed } from '@angular/core/testing';
+
+import { LiveService } from './live.service';
+
+describe('LiveService', () => {
+  beforeEach(() => TestBed.configureTestingModule({}));
+
+  it('should be created', () => {
+    const service: LiveService = TestBed.inject(LiveService);
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/live.service.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/live.service.ts
new file mode 100644
index 000000000..6666b023c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/live.service.ts
@@ -0,0 +1,72 @@
+import { Injectable, OnDestroy } from '@angular/core';
+import { BehaviorSubject, combineLatest, Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+export interface LiveInfo {
+  // Login service
+  user: string;
+  // Global
+  sessionId: string;
+
+  //
+  status: 'presenter' | 'viewer'; // in the future 'admin';
+  // e.g. regex
+  presentationId: string;
+  // slide id
+  slide: string;
+}
+
+type AllData<T = any> = Record<string, T>;
+
+@Injectable({
+  providedIn: 'root'
+})
+export class LiveService<T = any> implements OnDestroy {
+  private liveInfoSubject: BehaviorSubject<LiveInfo> = new BehaviorSubject<
+    LiveInfo
+  >({
+    user: 'code',
+    sessionId: 'test',
+    status: 'presenter', // 'viewer'
+    presentationId: 'regex',
+    slide: 'config'
+  } as LiveInfo);
+  liveInfo: Observable<LiveInfo> = this.liveInfoSubject.asObservable();
+  private allDataSubject: BehaviorSubject<AllData<T>> = new BehaviorSubject<
+    AllData<T>
+  >({} as AllData<T>);
+  allData = this.allDataSubject.asObservable();
+  myData = combineLatest([this.allData, this.liveInfo]).pipe(
+    map(([allData, { user }]) => {
+      return allData[user];
+    })
+  );
+
+  constructor() {}
+
+  storeLiveInfo(data: LiveInfo): void {
+    const liveInfo = this.liveInfoSubject.getValue();
+    this.liveInfoSubject.next({ ...liveInfo, ...data });
+  }
+
+  // Viewer
+  storeMyData(data: T): void {
+    // firebase.store
+    const liveInfo = this.liveInfoSubject.getValue();
+    const allData = this.allDataSubject.getValue();
+    const value = { ...allData, [liveInfo.user]: data };
+
+    this.allDataSubject.next(value);
+  }
+
+  ngOnDestroy() {
+    if (this.allDataSubject) {
+      this.allDataSubject.complete();
+      this.allDataSubject = null;
+    }
+    if (this.liveInfoSubject) {
+      this.liveInfoSubject.complete();
+      this.liveInfoSubject = null;
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/index.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/index.ts
new file mode 100644
index 000000000..b4d735a13
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/index.ts
@@ -0,0 +1 @@
+export * from './poll.module';
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.css b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.html b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.html
new file mode 100644
index 000000000..917934dc3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.html
@@ -0,0 +1,56 @@
+<ng-container *ngIf="service.liveInfo | async as data">
+  <ng-container *ngIf="data.status === 'viewer'">
+    <ng-container *ngIf="!(service.myData | async)">
+      2
+      <ul *ngTemplateOutlet="answers"></ul>
+    </ng-container>
+
+    <ng-container *ngIf="service.myData | async">
+      {{ service.allData | async | json }} 3
+      <ul *ngTemplateOutlet="answers"></ul>
+    </ng-container>
+  </ng-container>
+  <ng-container *ngIf="data.status === 'presenter'">
+    Results are here!!!
+  </ng-container>
+</ng-container>
+
+<!--*ngIf="showResult then result"-->
+<!--*ngIf="showAnswers then answers"-->
+
+<!--<ng-container [ngSwitch]="(service.liveInfo | async)?.status">-->
+<!--<ng-container *ngSwitchCase="'presenter'">-->
+<!--<ng-container *ngTemplateOutlet="result"></ng-container>-->
+<!--<ng-container *ngTemplateOutlet="answers"></ng-container>-->
+
+<!--</ng-container>-->
+<!--<ng-container *ngSwitchCase="'viewer'">-->
+<!--<ng-container *ngTemplateOutlet="result"></ng-container>-->
+<!--</ng-container>-->
+<!--</ng-container>-->
+
+<!--<live-info viewer="viewer" presenter="presenter"></live-info>-->
+
+<ng-template #answers let-data>
+  // results myDAta
+  <ng-content></ng-content>
+</ng-template>
+
+<!--<ng-template #presenter>-->
+<!--// Result-->
+<!--</ng-template>-->
+
+<!--<live-info>-->
+<!--<my-custom-viewer *viewer="let data" [data]="data"></my-custom-viewer>-->
+<!--<ng-container *presenter="let data"></ng-container>-->
+<!--</live-info>-->
+
+<!--<kirjs-live>-->
+<!--<kirjs-live-config>-->
+<!--&lt;!&ndash;Poll&ndash;&gt;-->
+<!--&lt;!&ndash;Yes | No&ndash;&gt;-->
+<!--</kirjs-live-config>-->
+<!--<kirjs-live-viewer>-->
+<!--...-->
+<!--</kirjs-live-viewer>-->
+<!--</kirjs-live>-->
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.spec.ts
new file mode 100644
index 000000000..4d69b65fe
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PollComponent } from './poll.component';
+
+describe('SyncPollComponent', () => {
+  let component: PollComponent;
+  let fixture: ComponentFixture<PollComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [PollComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PollComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.ts
new file mode 100644
index 000000000..3d89d1b8d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.component.ts
@@ -0,0 +1,26 @@
+import { Component, Injectable, Input, OnInit } from '@angular/core';
+import { LiveService } from '../live.service';
+
+@Component({
+  selector: 'kirjs-poll',
+  templateUrl: './poll.component.html',
+  styleUrls: ['./poll.component.css']
+})
+export class PollComponent {
+  @Input() question: string;
+  constructor(readonly service: LiveService) {}
+}
+
+@Component({
+  selector: 'kirjs-poll-answer',
+  template: `
+    <li (click)="service.storeMyData(value)"><ng-content></ng-content></li>
+  `,
+  styleUrls: ['./poll.component.css']
+})
+export class SlidesAnswerComponent implements OnInit {
+  @Input() value: string;
+  constructor(readonly service: LiveService) {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.module.ts b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.module.ts
new file mode 100644
index 000000000..236aa7acd
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/live/poll/poll.module.ts
@@ -0,0 +1,10 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { PollComponent, SlidesAnswerComponent } from './poll.component';
+
+@NgModule({
+  declarations: [PollComponent, SlidesAnswerComponent],
+  exports: [PollComponent, SlidesAnswerComponent],
+  imports: [CommonModule]
+})
+export class PollModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.css b/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.html b/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.html
new file mode 100644
index 000000000..fd7ac3e3d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.html
@@ -0,0 +1,19 @@
+<slide-deck slideShortcuts slidesRouting kirjs-tracking>
+  <div *slide id="start"><h1>Hello</h1></div>
+
+  <div *slide id="list">
+    <ul>
+      <li>a</li>
+      <li>b</li>
+    </ul>
+  </div>
+
+  <div *slide id="poll">
+    <kirjs-live-mock-component></kirjs-live-mock-component>
+
+    <kirjs-poll question="Yes or no?">
+      <kirjs-poll-answer value="Yes">Yes</kirjs-poll-answer>
+      <kirjs-poll-answer value="No">No</kirjs-poll-answer>
+    </kirjs-poll>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.spec.ts
new file mode 100644
index 000000000..2ab4b8607
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { RegexComponent } from './regex.component';
+
+describe('RegexComponent', () => {
+  let component: RegexComponent;
+  let fixture: ComponentFixture<RegexComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [RegexComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(RegexComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.ts b/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.ts
new file mode 100644
index 000000000..67ad46e82
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/regex.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-regex',
+  templateUrl: './regex.component.html',
+  styleUrls: ['./regex.component.css']
+})
+export class RegexComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/regex/regex.module.ts b/codelab-master/apps/kirjs/src/app/modules/regex/regex.module.ts
new file mode 100644
index 000000000..191a3f441
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/regex/regex.module.ts
@@ -0,0 +1,14 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { RegexComponent } from './regex.component';
+import { LiveModule } from './live';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(RegexComponent));
+
+@NgModule({
+  declarations: [RegexComponent],
+  imports: [routes, CommonModule, SlidesModule, LiveModule]
+})
+export class RegexModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.css b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.css
new file mode 100644
index 000000000..6990c5cdd
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.css
@@ -0,0 +1,22 @@
+:host {
+  white-space: nowrap;
+  border: 3px #666 dotted;
+  border-top-left-radius: 5px;
+  border-bottom-left-radius: 5px;
+  border-right: 0;
+  padding-left: 10px;
+  padding-right: 40px;
+  height: 46px;
+  position: relative;
+}
+
+:host:after {
+  content: '';
+  position: absolute;
+  left: 0;
+  top: 0;
+  height: 46px;
+  right: 80px;
+  background: white;
+  opacity: 0.7;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.html b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.html
new file mode 100644
index 000000000..40cf72a23
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.html
@@ -0,0 +1 @@
+{{ value }}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.spec.ts
new file mode 100644
index 000000000..25f1f5cc0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SimpleStackComponent } from './simple-stack.component';
+
+describe('SimpleStackComponent', () => {
+  let component: SimpleStackComponent;
+  let fixture: ComponentFixture<SimpleStackComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SimpleStackComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SimpleStackComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.ts b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.ts
new file mode 100644
index 000000000..ff3e30b9f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/simple-stack/simple-stack.component.ts
@@ -0,0 +1,14 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'slides-simple-stack',
+  templateUrl: './simple-stack.component.html',
+  styleUrls: ['./simple-stack.component.css']
+})
+export class SimpleStackComponent implements OnInit {
+  @Input() value: string;
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.css b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.css
new file mode 100644
index 000000000..7b85afe42
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.css
@@ -0,0 +1,13 @@
+button {
+  font-size: inherit;
+  cursor: pointer;
+  background: #ffffff;
+  border: 1px #ddd solid;
+  border-radius: 10px;
+  padding: 10px;
+  margin: 0 10px;
+}
+
+button:hover {
+  background: #eee;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.html b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.html
new file mode 100644
index 000000000..00fb66d2c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.html
@@ -0,0 +1,6 @@
+<button>
+  <slides-stack-function
+    [disabled]="disabled"
+    [func]="func"
+  ></slides-stack-function>
+</button>
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.spec.ts
new file mode 100644
index 000000000..a36c11bd3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StackFunctionButtonComponent } from './stack-function-button.component';
+
+describe('StackFunctionButtonComponent', () => {
+  let component: StackFunctionButtonComponent;
+  let fixture: ComponentFixture<StackFunctionButtonComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [StackFunctionButtonComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StackFunctionButtonComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.ts
new file mode 100644
index 000000000..9b1c953a7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function-button/stack-function-button.component.ts
@@ -0,0 +1,13 @@
+import { Component, HostBinding, Input, OnInit } from '@angular/core';
+import { StackFunction } from '../stack-game.component';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: 'slides-stack-function-button',
+  templateUrl: './stack-function-button.component.html',
+  styleUrls: ['./stack-function-button.component.css']
+})
+export class StackFunctionButtonComponent {
+  @Input() func: StackFunction;
+  @Input() disabled = false;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.css b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.css
new file mode 100644
index 000000000..679e795a8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.css
@@ -0,0 +1,21 @@
+:host {
+  white-space: nowrap;
+}
+.grid {
+  display: grid;
+  grid-template-columns: 1fr 80px 1fr;
+}
+
+.arrow {
+  text-align: center;
+}
+
+:host.disabled {
+  opacity: 0.4;
+  background: #eee;
+}
+
+.inputs {
+  justify-self: end;
+  white-space: nowrap;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.html b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.html
new file mode 100644
index 000000000..d3b742b36
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.html
@@ -0,0 +1,8 @@
+<div *ngIf="func.name" class="name">
+  {{ func.name }}
+</div>
+<div class="grid" *ngIf="!func.name">
+  <span class="inputs">({{ func.inputs }})</span>
+  <span class="arrow">=></span>
+  <span>{{ func.outputs }}</span>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.spec.ts
new file mode 100644
index 000000000..2f72415e9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StackFunctionComponent } from './stack-function.component';
+
+describe('StackFunctionComponent', () => {
+  let component: StackFunctionComponent;
+  let fixture: ComponentFixture<StackFunctionComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [StackFunctionComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StackFunctionComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.ts
new file mode 100644
index 000000000..cd07210f2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-function/stack-function.component.ts
@@ -0,0 +1,18 @@
+import { Component, HostBinding, Input, OnInit } from '@angular/core';
+import { StackFunction } from '../stack-game.component';
+
+@Component({
+  selector: 'slides-stack-function',
+  templateUrl: './stack-function.component.html',
+  styleUrls: ['./stack-function.component.css']
+})
+export class StackFunctionComponent implements OnInit {
+  @Input() func: StackFunction;
+
+  @HostBinding('class.disabled')
+  @Input()
+  disabled = false;
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.css b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.css
new file mode 100644
index 000000000..f57703502
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.css
@@ -0,0 +1,44 @@
+.buttons {
+  margin: 20px 0 40px;
+  text-align: center;
+}
+
+.complete {
+  text-align: center;
+}
+
+.stack {
+  margin-left: 30px;
+}
+
+.item {
+  white-space: nowrap;
+  margin-bottom: 10px;
+  height: 55px;
+  display: block;
+  line-height: 55px;
+}
+
+.initial {
+  color: #666;
+  text-align: right;
+}
+
+.function-usage {
+  text-align: right;
+}
+
+.history {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+}
+
+.next {
+  background: #dddddd;
+  text-align: center;
+  border-radius: 5px;
+}
+
+.remove-button {
+  margin-right: 10px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.html b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.html
new file mode 100644
index 000000000..b48471183
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.html
@@ -0,0 +1,45 @@
+<div class="buttons" *ngIf="!isComplete">
+  <slides-stack-function-button
+    *ngFor="let func of level.functions"
+    (click)="canAddFunction(stack, func) && addFunction(func)"
+    [disabled]="!canAddFunction(stack, func)"
+    [func]="func"
+  >
+  </slides-stack-function-button>
+</div>
+
+<div class="complete" *ngIf="isComplete">
+  ✨💖 Success! ✨💖
+</div>
+
+<div class="history">
+  <div class="functions">
+    <div class="item initial">Initial stack:</div>
+    <div
+      *ngFor="let func of functions; let last = last"
+      style="display: flex;justify-content: flex-end"
+    >
+      <span (click)="removeFunction()" class="remove-button" *ngIf="last"
+        >ⓧ</span
+      >
+      <slides-stack-function [func]="func" class="item"></slides-stack-function>
+    </div>
+  </div>
+
+  <div class="stack">
+    <div class="item">
+      <slides-simple-stack [value]="level.inputs"></slides-simple-stack>
+    </div>
+    <div *ngFor="let stack of history" class="item">
+      <slides-simple-stack [value]="stack"></slides-simple-stack>
+    </div>
+  </div>
+</div>
+<hr />
+
+<div class="history ">
+  <div class="item initial">Expected:</div>
+  <div class="item stack">
+    <slides-simple-stack [value]="level.outputs"></slides-simple-stack>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.spec.ts
new file mode 100644
index 000000000..a571cdb08
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StackGameComponent } from './stack-game.component';
+
+describe('StackGameComponent', () => {
+  let component: StackGameComponent;
+  let fixture: ComponentFixture<StackGameComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [StackGameComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StackGameComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.ts
new file mode 100644
index 000000000..8c402968f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-game/stack-game.component.ts
@@ -0,0 +1,89 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+export interface StackFunction {
+  inputs: string;
+  outputs: string;
+  name?: string;
+}
+
+export interface Level {
+  functions: StackFunction[];
+  inputs: string;
+  outputs: string;
+}
+
+const ANY_CHAR = '＊';
+
+@Component({
+  selector: 'slides-stack-game',
+  templateUrl: './stack-game.component.html',
+  styleUrls: ['./stack-game.component.css']
+})
+export class StackGameComponent implements OnInit {
+  isComplete = false;
+
+  @Input() level: Level = {
+    functions: [
+      {
+        inputs: '',
+        outputs: '🍏',
+        name: 'push 🍏'
+      },
+      {
+        inputs: '🍏🍏',
+        outputs: '🍋'
+      },
+      {
+        inputs: '🍋🍋',
+        outputs: '🍒'
+      },
+      {
+        inputs: '＊',
+        outputs: '',
+        name: 'pop'
+      }
+    ],
+    inputs: '🍏',
+    outputs: '🍒'
+  };
+
+  functions = [];
+  stack = '';
+  history: string[];
+
+  canAddFunction(stack: string, func) {
+    return stack.match(new RegExp(func.inputs.replace(ANY_CHAR, '.') + '$'));
+  }
+
+  calcStack() {
+    let stack = this.level.inputs.replace(ANY_CHAR, '🍏');
+    const history = [];
+    for (const func of this.functions) {
+      stack =
+        stack.slice(
+          0,
+          stack.length - func.inputs.replace(ANY_CHAR, '🍏').length
+        ) + func.outputs;
+      history.push(stack);
+    }
+    this.history = history;
+    this.stack = stack;
+    if (this.stack === this.level.outputs) {
+      this.isComplete = true;
+    }
+  }
+
+  addFunction(func: StackFunction) {
+    this.functions.push(func);
+    this.calcStack();
+  }
+
+  removeFunction() {
+    this.functions.pop();
+    this.calcStack();
+  }
+
+  ngOnInit() {
+    this.stack = this.level.inputs;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-routing.module.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-routing.module.ts
new file mode 100644
index 000000000..6b14807f4
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-routing.module.ts
@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { SlidesRoutes } from '@ng360/slides';
+import { StackComponent } from './stack.component';
+import { StackModule } from './stack.module';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(StackComponent));
+
+@NgModule({
+  imports: [StackModule, routes]
+})
+export class StackRoutingModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/assets/sb-icon.svg b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/assets/sb-icon.svg
new file mode 100644
index 000000000..8e5ab049f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/assets/sb-icon.svg
@@ -0,0 +1 @@
+<?xml version='1.0' encoding='UTF-8'?> <svg width='23px' height='34px' viewBox='0 0 23 34' version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink'> <title>Path</title> <desc>Created with Sketch.</desc> <g id='Symbols' stroke='none' stroke-width='1' fill='none' fill-rule='evenodd'> <g class='icon' fill='#1389FD' fill-rule='nonzero'> <polygon id='Path' points='0 19.9187087 9.87007874 19.9187087 4.12007874 34 23 13.9612393 13.0846457 13.9612393 18.7893701 0'></polygon> </g> </g> </svg>
\ No newline at end of file
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/assets/so-icon.svg b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/assets/so-icon.svg
new file mode 100644
index 000000000..5298d4c2c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/assets/so-icon.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 120 120"><style>.st0{fill:#bcbbbb}.st1{fill:#f48023}</style><path class="st0" d="M84.4 93.8V70.6h7.7v30.9H22.6V70.6h7.7v23.2z"/><path class="st1" d="M38.8 68.4l37.8 7.9 1.6-7.6-37.8-7.9-1.6 7.6zm5-18l35 16.3 3.2-7-35-16.4-3.2 7.1zm9.7-17.2l29.7 24.7 4.9-5.9-29.7-24.7-4.9 5.9zm19.2-18.3l-6.2 4.6 23 31 6.2-4.6-23-31zM38 86h38.6v-7.7H38V86z"/></svg>
\ No newline at end of file
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.html b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.html
new file mode 100644
index 000000000..8bdd4f124
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.html
@@ -0,0 +1,20 @@
+<p>
+  Test time! those two companies have "stack" in their name, but only one of
+  them actually has stack as their logo. which one?
+</p>
+
+<div class="wrapper">
+  <button class="company" mat-raised-button>
+    <div class="name">StackOverflow.com</div>
+    <div class="logo">
+      <div class="so"></div>
+    </div>
+  </button>
+  <div class="gap"></div>
+  <button class="company" mat-raised-button>
+    <div class="name">StackBlitz.com</div>
+    <div class="logo">
+      <div class="sb"></div>
+    </div>
+  </button>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.scss b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.scss
new file mode 100644
index 000000000..2992f78d4
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.scss
@@ -0,0 +1,38 @@
+.wrapper {
+  display: flex;
+
+  .company {
+    text-align: center;
+    flex: 1;
+
+    .name {
+      font-size: 40px;
+      font-weight: 300;
+      margin: 20px 0;
+    }
+
+    .logo {
+      height: 150px;
+
+      > div {
+        background-size: cover;
+        margin: 20px auto;
+      }
+      .sb {
+        width: 80px;
+        height: 120px;
+        background-image: url('./assets/sb-icon.svg');
+      }
+
+      .so {
+        width: 150px;
+        height: 150px;
+        background-image: url('./assets/so-icon.svg');
+      }
+    }
+  }
+
+  .gap {
+    flex: 0.2;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.spec.ts
new file mode 100644
index 000000000..3a351a98f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StackTestComponent } from './stack-test.component';
+
+describe('StackTestComponent', () => {
+  let component: StackTestComponent;
+  let fixture: ComponentFixture<StackTestComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [StackTestComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StackTestComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.ts
new file mode 100644
index 000000000..d63f53ae8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack-test/stack-test.component.ts
@@ -0,0 +1,13 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: 'slides-stack-test',
+  templateUrl: './stack-test.component.html',
+  styleUrls: ['./stack-test.component.scss']
+})
+export class StackTestComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.css b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.css
new file mode 100644
index 000000000..911cf9f45
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.css
@@ -0,0 +1,15 @@
+:host ::ng-deep .slide.slide > div {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 40px;
+  padding: 0 20vw;
+}
+
+::ng-deep {
+  font-weight: 300;
+}
+
+.button-wrapper {
+  margin: 20px 0;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.html b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.html
new file mode 100644
index 000000000..31b02723c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.html
@@ -0,0 +1,94 @@
+<slide-deck slideShortcuts slidesRouting slides-tracking>
+  <div *slide id="start">
+    <p>
+      <b>Stack</b> is a data structure, serving as a collection. Here's a stack
+      of fruit:
+    </p>
+
+    <slides-simple-stack value="🍏🍏🍏🍏🍏🍓"></slides-simple-stack>
+
+    <p>All operations are possible only with the last element of the stack.</p>
+  </div>
+
+  <div *slide id="pop">
+    <p>First operation is called <b>pop</b>, it removes the last element.</p>
+    <slides-stack-game [level]="levels.pop"></slides-stack-game>
+  </div>
+
+  <div *slide id="push">
+    <p>
+      The other operation is <b>push</b>. It adds an element on top of the
+      stack.
+    </p>
+    <slides-stack-game [level]="levels.push"></slides-stack-game>
+  </div>
+
+  <div *slide id="peek">
+    <p>
+      Some implementations also have a <b>peek</b> operation. It tells you what
+      top element on the stack is. You can try it below:
+    </p>
+    <slides-simple-stack value="🍏🍋"></slides-simple-stack>
+    <div class="button-wrapper">
+      <slides-stack-function-button
+        (click)="itIsALemon = true"
+        [func]="{ name: 'peek' }"
+      ></slides-stack-function-button>
+    </div>
+    <div *ngIf="itIsALemon">Congrats! It is a 🍋</div>
+  </div>
+
+  <div *slide id="practice">
+    <p>Let's practice!</p>
+    <p>
+      Use the commands you know already to get a stack of:
+      <slides-simple-stack value="🍓🍋"></slides-simple-stack>
+    </p>
+    <slides-stack-game [level]="levels.together"></slides-stack-game>
+  </div>
+
+  <div *slide id="test">
+    <slides-stack-test></slides-stack-test>
+  </div>
+
+  <div *slide id="congrats">
+    <h2>Congrats! Now you are a stack expert!</h2>
+    <p>
+      But why are stacks important? And how can I use them in a language like
+      asm
+    </p>
+  </div>
+
+  <div *slide id="stack-machines">
+    <p>Let's learn stack machine.</p>
+    <p>
+      This is one of the fundamental principles used in JVM Java Byte Code,
+      WebAssembly byte code
+    </p>
+  </div>
+
+  <div *slide id="instructions">
+    <p>
+      Stack machine offers various intructions that can pop and then push
+      multiple element on the stack
+    </p>
+    <p>
+      For example (🌲🍏)=>🍍 takes two elements from the stack (Pine and Apple)
+      and pushes a 🍍 back
+    </p>
+  </div>
+
+  <div *slide id="lemonade">
+    <p>Now use the instructions below to prepare a lemonade drink:</p>
+    <slides-stack-game [level]="levels.lemonade"></slides-stack-game>
+  </div>
+
+  <div *slide id="lol">
+    <p>Produce a dog</p>
+    <slides-stack-game [level]="levels.level1"></slides-stack-game>
+  </div>
+
+  <div *slide id="list">
+    <slides-stack-game></slides-stack-game>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.spec.ts
new file mode 100644
index 000000000..b250ad7f9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StackComponent } from './stack.component';
+
+describe('StackComponent', () => {
+  let component: StackComponent;
+  let fixture: ComponentFixture<StackComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [StackComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StackComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.ts
new file mode 100644
index 000000000..be96a0412
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack.component.ts
@@ -0,0 +1,138 @@
+import { Component, OnInit } from '@angular/core';
+import { Level } from './stack-game/stack-game.component';
+
+@Component({
+  selector: 'kirjs-stack',
+  templateUrl: './stack.component.html',
+  styleUrls: ['./stack.component.css']
+})
+export class StackComponent implements OnInit {
+  itIsALemon = false;
+
+  levels: Record<string, Level> = {
+    push: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '🍏',
+          name: 'push 🍏'
+        },
+        {
+          inputs: '',
+          outputs: '🍋',
+          name: 'push 🍋'
+        }
+      ],
+      inputs: '',
+      outputs: '🍏🍋🍏'
+    },
+
+    pop: {
+      functions: [
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        }
+      ],
+      inputs: '🍏🍏🍏🍏🍏',
+      outputs: '🍏'
+    },
+
+    together: {
+      functions: [
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        },
+        {
+          inputs: '',
+          outputs: '🍓',
+          name: 'push 🍓'
+        },
+        {
+          inputs: '',
+          outputs: '🍋',
+          name: 'push 🍋'
+        }
+      ],
+      inputs: '🍏🍏',
+      outputs: '🍓🍋'
+    },
+
+    lemonade: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '💦'
+        },
+        {
+          inputs: '',
+          outputs: '🍋'
+        },
+        {
+          inputs: '',
+          outputs: '🍒'
+        },
+        {
+          inputs: '🍒💦🍋',
+          outputs: '🍹'
+        }
+      ],
+      inputs: '',
+      outputs: '🍹'
+    },
+    level1: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '🍏🍏'
+        },
+        {
+          inputs: '',
+          outputs: '🍋'
+        },
+        {
+          inputs: '🍋🍋',
+          outputs: '🍒'
+        },
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        }
+      ],
+      inputs: '🍏',
+      outputs: '🍒'
+    },
+    level2: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '🍏',
+          name: 'push 🍏'
+        },
+        {
+          inputs: '🍏🍏',
+          outputs: '🍋'
+        },
+        {
+          inputs: '🍋🍋',
+          outputs: '🍒'
+        },
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        }
+      ],
+      inputs: '🍏',
+      outputs: '🍒'
+    }
+  };
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/stack/stack.module.ts b/codelab-master/apps/kirjs/src/app/modules/stack/stack.module.ts
new file mode 100644
index 000000000..3a50c7bd0
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/stack/stack.module.ts
@@ -0,0 +1,31 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SlidesModule } from '@ng360/slides';
+import { StackComponent } from './stack.component';
+import { StackGameComponent } from './stack-game/stack-game.component';
+import { SimpleStackComponent } from './simple-stack/simple-stack.component';
+import { StackTestComponent } from './stack-test/stack-test.component';
+import { StackFunctionComponent } from './stack-game/stack-function/stack-function.component';
+import { StackFunctionButtonComponent } from './stack-game/stack-function-button/stack-function-button.component';
+import { MatButtonModule } from '@angular/material/button';
+
+@NgModule({
+  declarations: [
+    StackComponent,
+    StackGameComponent,
+    SimpleStackComponent,
+    StackTestComponent,
+    StackFunctionComponent,
+    StackFunctionButtonComponent
+  ],
+  exports: [
+    StackComponent,
+    StackGameComponent,
+    SimpleStackComponent,
+    StackTestComponent,
+    StackFunctionComponent,
+    StackFunctionButtonComponent
+  ],
+  imports: [CommonModule, SlidesModule, MatButtonModule]
+})
+export class StackModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/streaming/common.ts b/codelab-master/apps/kirjs/src/app/modules/streaming/common.ts
new file mode 100644
index 000000000..2a611fa6f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/streaming/common.ts
@@ -0,0 +1,13 @@
+import { InjectionToken } from '@angular/core';
+
+export const FLAME_LINK = new InjectionToken('FLAME_LINK');
+
+interface Guest {
+  name: string;
+  twitter: string;
+  avatar: string;
+}
+export interface StreamSession {
+  name: string;
+  guests: Guest[];
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.html b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.html
new file mode 100644
index 000000000..1dd5d9ad1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.html
@@ -0,0 +1,45 @@
+<ng-container *ngIf="data$ | async as config">
+  <mat-card
+    *ngIf="layout === 'vertical'"
+    style="width: 240px;position: absolute;right: 10px;top: 10px;bottom: 10px"
+  >
+    <h1>{{ config.header }}</h1>
+    <p>{{ config.subHeader }}</p>
+    <div [innerHTML]="config.description"></div>
+    <div style="display:flex;text-align: center; margin-top: 8px;">
+      <div *ngFor="let guest of config.guests" style="width: 120px;">
+        <img
+          [src]="guest.avatar"
+          style="width: 90px;border-radius: 50%;height: 90px;"
+          [alt]="guest.name"
+        />
+        <div
+          style="font-size: 20px;font-weight: 400;height: 32px;line-height: 32px;"
+        >
+          {{ guest.name }}
+        </div>
+        <div>@{{ guest.twitter }}</div>
+      </div>
+    </div>
+    <h2>Chat</h2>
+  </mat-card>
+
+  <div
+    *ngIf="layout === 'horizontal'"
+    style="width: 240px;position: absolute;left: 10px;top: 10px;bottom: 10px; display:flex;"
+  >
+    <h2 style="margin-right: 20px;">
+      @kirjs
+    </h2>
+    <div *ngFor="let guest of config.guests" style="display:flex;">
+      <ng-container *ngIf="guest.name !== 'kirjs'">
+        <img
+          [src]="guest.avatar"
+          style="width: 35px;border-radius: 50%;height: 35px;"
+          [alt]="guest.name"
+        />
+        <div>@{{ guest.twitter }}</div>
+      </ng-container>
+    </div>
+  </div>
+</ng-container>
diff --git a/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.scss b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.scss
new file mode 100644
index 000000000..fde8e5680
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.scss
@@ -0,0 +1,29 @@
+:host {
+  border: 1px #ddd solid;
+  width: 1650px;
+  height: 1050px;
+  display: block;
+  font-family: 'Helvetica Neue', sans-serif;
+  position: relative;
+}
+
+.circle {
+  position: absolute;
+  right: 20px;
+  bottom: 20px;
+  height: 240px;
+  width: 240px;
+  border-radius: 50%;
+}
+
+:host ::ng-deep {
+  h2 {
+    margin-bottom: 0;
+    font-family: 'Helvetica Neue', sans-serif;
+    font-weight: 300;
+  }
+
+  p {
+    margin-top: 8px;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.spec.ts
new file mode 100644
index 000000000..7256ba08e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { OverlayComponent } from './overlay.component';
+
+describe('OverlayComponent', () => {
+  let component: OverlayComponent;
+  let fixture: ComponentFixture<OverlayComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [OverlayComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(OverlayComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.ts b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.ts
new file mode 100644
index 000000000..8e28ca29b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/streaming/overlay/overlay.component.ts
@@ -0,0 +1,27 @@
+import { Component, Inject, OnInit } from '@angular/core';
+import { FLAME_LINK, StreamSession } from '../common';
+import { interval, Observable } from 'rxjs';
+import { map, startWith, switchMap } from 'rxjs/operators';
+
+@Component({
+  selector: 'slides-overlay',
+  templateUrl: './overlay.component.html',
+  styleUrls: ['./overlay.component.scss']
+})
+export class OverlayComponent implements OnInit {
+  readonly layout = 'horizontal';
+  data$: Observable<StreamSession> = interval(5000).pipe(
+    startWith(0),
+    switchMap(() => {
+      return this.flameLink.content.get({
+        schemaKey: 'currentSession',
+        populate: true
+      });
+    }),
+    map((a: any) => a.session)
+  );
+
+  constructor(@Inject(FLAME_LINK) private flameLink: any) {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/streaming/streaming.module.ts b/codelab-master/apps/kirjs/src/app/modules/streaming/streaming.module.ts
new file mode 100644
index 000000000..c2da528d3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/streaming/streaming.module.ts
@@ -0,0 +1,56 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { OverlayComponent } from './overlay/overlay.component';
+
+import firebase from 'firebase/app';
+// Add additional services that you want to use
+import 'firebase/auth';
+import 'firebase/firestore';
+import flamelink from 'flamelink/app';
+// Add additional modules that you want to use
+import 'flamelink/content';
+import 'flamelink/storage';
+import { FLAME_LINK } from './common';
+import { MarkdownModule } from 'ngx-markdown';
+
+const firebaseConfig = {
+  apiKey: 'AIzaSyC_Zyq9Ve1SrbenuN0iDlDd4hQvTIlruP8',
+  authDomain: 'kirjs-c884f.firebaseapp.com',
+  databaseURL: 'https://kirjs-c884f.firebaseio.com',
+  projectId: 'kirjs-c884f',
+  storageBucket: 'kirjs-c884f.appspot.com',
+  messagingSenderId: '651206687896',
+  appId: '1:651206687896:web:3df45fa9e636bb5882a4ed',
+  measurementId: 'G-3B7YEC4QG7'
+};
+
+const firebaseApp = firebase.initializeApp(firebaseConfig);
+
+const app = flamelink({
+  firebaseApp,
+  env: 'production', // optional, defaults to `production`
+  locale: 'en-US', // optional, defaults to `en-US`
+  dbType: 'cf' // optional, defaults to `rtdb` - can be 'rtdb' or 'cf' (Realtime DB vs Cloud Firestore)
+});
+
+@NgModule({
+  declarations: [],
+  providers: [
+    {
+      provide: FLAME_LINK,
+      useValue: app
+    }
+  ],
+  imports: [
+    RouterModule.forChild([
+      {
+        path: '',
+        component: OverlayComponent
+      }
+    ]),
+    CommonModule,
+    MarkdownModule
+  ]
+})
+export class StreamingModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.css b/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.html b/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.html
new file mode 100644
index 000000000..1d48ad167
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.html
@@ -0,0 +1,21 @@
+<svg:g
+  [style.transform]="'translate(' + position.x + 'px,' + position.y + 'px)'"
+>
+  <svg:g
+    style="transform-origin: 10px -10px; "
+    [style.transform]="'rotate(90deg)'"
+  >
+    <path
+      style="stroke:white; stroke-width: 10px"
+      [attr.d]="'m 0 2.5 h 40'"
+    ></path>
+    <path
+      style="stroke-dasharray: 5px 5px; stroke:red; stroke-width: 5px"
+      [attr.d]="'m 0 0  h 40'"
+    ></path>
+    <path
+      style="stroke-dasharray: 5px 5px; stroke:red; stroke-width: 5px"
+      [attr.d]="'m 5 5 h 35'"
+    ></path>
+  </svg:g>
+</svg:g>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.spec.ts
new file mode 100644
index 000000000..45cdb1b4b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FinishComponent } from './finish.component';
+
+describe('FinishComponent', () => {
+  let component: FinishComponent;
+  let fixture: ComponentFixture<FinishComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [FinishComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FinishComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.ts
new file mode 100644
index 000000000..3301a247e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/finish/finish.component.ts
@@ -0,0 +1,15 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: '[kirjs-finish]',
+  templateUrl: './finish.component.html',
+  styleUrls: ['./finish.component.css']
+})
+export class FinishComponent implements OnInit {
+  @Input() position = { x: 0, y: 0 };
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.css b/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.html b/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.html
new file mode 100644
index 000000000..6686b8860
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.html
@@ -0,0 +1,49 @@
+<svg:g
+  style="transition: 1.5s"
+  [style.transform]="'translate(' + position.x + 'px, ' + position.y + 'px)'"
+>
+  <svg:g [style.transform]="'translate(-13px, -10px)'">
+    <svg:g
+      style=" transform-origin: 13px 15px"
+      [style.transform]="'rotate(' + position.angle + 'deg)'"
+    >
+      <g style="transform: scale(0.05)">
+        <path
+          [attr.fill]="darkColor"
+          d="M324 366l74-29a17 17 0 0 0 10-15v-22l-85 34v34zm-136 0V332l-85-34v22a17 17 0 0 0 10 15l74 29z"
+        ></path>
+        <path
+          [attr.fill]="lightColor"
+          d="M193 484l29 12a85 85 0 0 0 67 0l29-12c33-14 54-48 51-85l-11-142 12-146c2-34-15-67-46-83l-6-3a137 137 0 0 0-122 0l-6 3c-31 15-49 48-46 83l12 146-11 142c-3 36 17 70 51 85z"
+        ></path>
+        <path
+          [attr.fill]="darkColor"
+          d="M142 391c48 63 129 91 206 71a85 85 0 0 1-29 21l-29 12a85 85 0 0 1-67 0l-29-12c-33-14-54-48-51-85l.596-7z"
+        ></path>
+        <path
+          fill="#23aec8"
+          d="M322 365l2-1a17 17 0 0 0 7-15l-7-74H187l-7 74a17 17 0 0 0 7 15l2 1c40 26 92 26 132 0z"
+        ></path>
+        <path
+          fill="#1967a3"
+          d="M320 365c-39 25-91 25-130-.785l-2-1a17 17 0 0 1-7-15l5-57a196 196 0 0 0 134 75z"
+        ></path>
+        <path
+          fill="#23aec8"
+          d="M324 153H187l-6-39a17 17 0 0 1 8-17l16-9a102 102 0 0 1 99 0l16 9a17 17 0 0 1 8 17l-6 39z"
+        ></path>
+        <path
+          fill="#1967a3"
+          d="M189 96l8-4a280 280 0 0 0 117 61H187l-6-39a17 17 0 0 1 8-17z"
+        ></path>
+        <path
+          fill="#555160"
+          d="M339 405l-34 51-14-9 34-51zm-119 41l-14 9-34-51 14-9z"
+        ></path>
+        <path
+          d="M332 264H180l-8 82a25 25 0 0 0 11 23l2 1c42 28 98 28 141 0l2-1a25 25 0 0 0 11-23l-8-82zm-12 92l-2 1c-37 24-85 24-122 0l-2-1a8 8 0 0 1-3-7l6-67H316l6 67a8 8 0 0 1-3 7zM180 162h151l7-46a25 25 0 0 0-12-26l-16-9a110 110 0 0 0-107 0l-16 9a25 25 0 0 0-12 26l7 46zm13-58l16-9a93 93 0 0 1 91 0l16 9a8 8 0 0 1 4 8l-5 32H194l-5-32a8 8 0 0 1 4-8zm26 343l-14 9-34-51 14-9zm119-41l-34 51-14-9 34-51z"
+        ></path>
+      </g>
+    </svg:g>
+  </svg:g>
+</svg:g>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.spec.ts
new file mode 100644
index 000000000..543e4192f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { LittleCarComponent } from './little-car.component';
+
+describe('LittleCarComponent', () => {
+  let component: LittleCarComponent;
+  let fixture: ComponentFixture<LittleCarComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [LittleCarComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(LittleCarComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.ts
new file mode 100644
index 000000000..b8c45929a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/little-car/little-car.component.ts
@@ -0,0 +1,19 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: '[kirjs-little-car]',
+  templateUrl: './little-car.component.html',
+  styleUrls: ['./little-car.component.css']
+})
+export class LittleCarComponent {
+  @Input() position = { x: 0, y: 0, angle: 0 };
+  lightColor = '#ffbc05';
+  darkColor = '#e38100';
+
+  @Input()
+  set color(color: string) {
+    this.lightColor = color;
+    this.darkColor = '#444';
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.css b/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.html b/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.html
new file mode 100644
index 000000000..f1438537b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.html
@@ -0,0 +1,7 @@
+<svg:path
+  #guess
+  style="stroke-width: 2px; fill:transparent;"
+  [attr.d]="d"
+  [style.stroke]="color"
+></svg:path>
+<svg:g kirjs-little-car [color]="color" [position]="carPosition"></svg:g>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.spec.ts
new file mode 100644
index 000000000..3138c1cc8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PlayerComponent } from './player.component';
+
+describe('PlayerComponent', () => {
+  let component: PlayerComponent;
+  let fixture: ComponentFixture<PlayerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [PlayerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PlayerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.ts
new file mode 100644
index 000000000..86eeab60e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/player/player.component.ts
@@ -0,0 +1,148 @@
+import {
+  AfterViewInit,
+  Component,
+  ElementRef,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnInit,
+  Output,
+  SimpleChanges,
+  ViewChild
+} from '@angular/core';
+
+@Component({
+  // tslint:disable-next-line:component-selector
+  selector: '[kirjs-player]',
+  templateUrl: './player.component.html',
+  styleUrls: ['./player.component.css']
+})
+export class PlayerComponent implements OnInit, AfterViewInit, OnChanges {
+  @ViewChild('guess', { static: true }) guess: ElementRef;
+  @Input() path;
+  @Input() d = '';
+  @Input() color = '#ffffff';
+  @Output() scoreChanged = new EventEmitter<number>();
+  points = [];
+  carPosition = { x: 50, y: 50, angle: 0 };
+  pathLength = 0;
+  startPosition = { x: 0, y: 0 };
+  trackWidth = 20;
+  score = 0;
+
+  ngOnChanges(changes: SimpleChanges) {
+    if (changes.d) {
+      this.calculateScore();
+    }
+  }
+
+  calculateScore() {
+    requestAnimationFrame(() => {
+      this.calculateCarPosition();
+      this.score = 0;
+      const guess = this.guess.nativeElement;
+
+      for (let i = 0; i < this.points.length; i++) {
+        const point = this.points[i];
+
+        const { distance } = closestPoint(guess, point);
+
+        if (distance < this.trackWidth) {
+          this.score++;
+        } else {
+          this.pathLength = ((i - 3) / 100) * this.path.getTotalLength();
+          this.scoreChanged.emit(this.score);
+          return;
+        }
+      }
+      this.scoreChanged.emit(this.score);
+    });
+  }
+
+  ngAfterViewInit() {
+    requestAnimationFrame(() => {
+      const path = this.path;
+      const l = path.getTotalLength();
+
+      for (let i = 0; i < l; i += l / 100) {
+        this.points.push(path.getPointAtLength(i));
+      }
+
+      this.startPosition = path.getPointAtLength(0);
+    });
+  }
+
+  calculateCarPosition() {
+    const guess = this.guess.nativeElement;
+    const totalLength = guess.getTotalLength();
+    this.carPosition = guess.getPointAtLength(totalLength);
+    if (totalLength > 1) {
+      const carPosition = guess.getPointAtLength(totalLength - 1);
+      const dx = this.carPosition.x - carPosition.x;
+      const dy = this.carPosition.y - carPosition.y;
+      this.carPosition.angle = (Math.atan2(-dx, dy) * 180) / Math.PI;
+    }
+  }
+
+  ngOnInit() {}
+}
+
+function closestPoint(pathNode, point) {
+  const pathLength = pathNode.getTotalLength();
+  let precision = 8,
+    best,
+    bestLength,
+    bestDistance = Infinity;
+
+  // linear scan for coarse approximation
+  for (
+    let scan, scanLength = 0, scanDistance;
+    scanLength <= pathLength;
+    scanLength += precision
+  ) {
+    if (
+      (scanDistance = distance2(
+        (scan = pathNode.getPointAtLength(scanLength))
+      )) < bestDistance
+    ) {
+      (best = scan), (bestLength = scanLength), (bestDistance = scanDistance);
+    }
+  }
+
+  // binary search for precise estimate
+  precision /= 2;
+  while (precision > 0.5) {
+    let before, after, beforeLength, afterLength, beforeDistance, afterDistance;
+    if (
+      (beforeLength = bestLength - precision) >= 0 &&
+      (beforeDistance = distance2(
+        (before = pathNode.getPointAtLength(beforeLength))
+      )) < bestDistance
+    ) {
+      (best = before),
+        (bestLength = beforeLength),
+        (bestDistance = beforeDistance);
+    } else if (
+      (afterLength = bestLength + precision) <= pathLength &&
+      (afterDistance = distance2(
+        (after = pathNode.getPointAtLength(afterLength))
+      )) < bestDistance
+    ) {
+      (best = after),
+        (bestLength = afterLength),
+        (bestDistance = afterDistance);
+    } else {
+      precision /= 2;
+    }
+  }
+
+  best = [best.x, best.y];
+  best.distance = Math.sqrt(bestDistance);
+  return best;
+
+  function distance2(p) {
+    const dx = p.x - point.x,
+      dy = p.y - point.y;
+    return dx * dx + dy * dy;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.css b/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.html b/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.html
new file mode 100644
index 000000000..adcc23cd2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.html
@@ -0,0 +1,74 @@
+<div style="height: 100%;display: flex;">
+  <div [style.height]="'100%'" style="flex: 1">
+    <code-demo-editor
+      style="width: 100%; height: 500px"
+      [(ngModel)]="d"
+      (ngModelChange)="updateCurrentPlayer()"
+      [lineNumbers]="false"
+      [fontSize]="'30'"
+    ></code-demo-editor>
+  </div>
+  <div style="height: 100%;flex: 1">
+    <!--https://www.flaticon.com/free-icon/car_809998#term=car%20top&page=1&position=5-->
+
+    <div>
+      <h1>Progress</h1>
+      <div *ngFor="let car of cars" style="display: flex;margin-bottom: 10px">
+        <div style="width: 200px">{{ car.name }}</div>
+        <div style="width: 200px; background: #ddd">
+          <div
+            [style.background]="car.color"
+            style="height: 20px; border: 1px #444 solid"
+            [style.width.%]="car.score"
+          ></div>
+        </div>
+      </div>
+    </div>
+
+    <svg style="width: 500px; height: 500px">
+      <filter id="blur">
+        <feGaussianBlur in="SourceGraphic" stdDeviation="5" />
+      </filter>
+
+      <!--Track Border -->
+      <path
+        style="stroke: #444;  fill:transparent;"
+        [attr.d]="track"
+        [style.stroke-width]="trackWidth * 2 + 2"
+      ></path>
+
+      <!--Track -->
+      <path
+        #path
+        style="stroke: #666;  fill:transparent;"
+        [attr.d]="track"
+        [style.stroke-width]="trackWidth * 2"
+      ></path>
+
+      <!--    TODO(kirjs):  [style.stroke-dasharray]="this.pathLength + ' 10000'"-->
+
+      <path
+        style="stroke: #999; fill:transparent;"
+        [style.stroke-width]="trackWidth * 2"
+        [attr.d]="track"
+      ></path>
+      <path
+        style="stroke: #ddd; stroke-dasharray: 4px 6px;stroke-width: 2px; fill:transparent;"
+        [attr.d]="track"
+      ></path>
+
+      <!--<circle r=20 fill="#ddd" *ngFor="let point of points" [attr.cx]="point.x" [attr.cy]="point.y"></circle>-->
+
+      <g
+        *ngFor="let car of cars"
+        kirjs-player
+        [color]="car.color"
+        (scoreChanged)="setScore(car.name, $event)"
+        [path]="path"
+        [d]="car.d"
+      ></g>
+      <g kirjs-finish [position]="finishPosition"></g>
+    </svg>
+    <!--<div style="height: 100%;" [innerHTML]="code|safeHtml"></div>-->
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.spec.ts
new file mode 100644
index 000000000..495bb85ef
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { RaceComponent } from './race.component';
+
+describe('RaceComponent', () => {
+  let component: RaceComponent;
+  let fixture: ComponentFixture<RaceComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [RaceComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(RaceComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.ts
new file mode 100644
index 000000000..9139d8ed9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/race/race.component.ts
@@ -0,0 +1,62 @@
+import {
+  AfterViewInit,
+  Component,
+  ElementRef,
+  Input,
+  ViewChild
+} from '@angular/core';
+
+@Component({
+  selector: 'kirjs-race',
+  templateUrl: './race.component.html',
+  styleUrls: ['./race.component.css']
+})
+export class RaceComponent implements AfterViewInit {
+  @Input() code: string;
+  d = 'M50 450 v -5';
+  cars = [
+    {
+      name: 'cheburek',
+      color: '#fd6b00',
+      d: this.d,
+      score: 0
+    },
+    {
+      name: 'banana',
+      color: '#fde200',
+      d: 'M50 450 v 5 l -10 -300',
+      score: 0
+    },
+    {
+      name: 'ololo',
+      color: '#bdfd00',
+      d: 'M50 450 v -5 h 10v-300',
+      score: 0
+    }
+  ];
+  @Input() track: string;
+  @ViewChild('path', { static: false }) path: ElementRef;
+  name = 'cheburek';
+  scores = {};
+  trackWidth = 20;
+  finishPosition = { x: 0, y: 0 };
+
+  updateCurrentPlayer() {
+    const c = this.cars.find(car => car.name === this.name);
+    if (c) {
+      c.d = this.d;
+    }
+  }
+
+  ngAfterViewInit() {
+    const path = this.path.nativeElement;
+    this.finishPosition = path.getPointAtLength(path.getTotalLength());
+  }
+
+  setScore(name: string, score: number) {
+    const c = this.cars.find(car => name === car.name);
+    if (c) {
+      c.score = score;
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.css b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.css
new file mode 100644
index 000000000..ae9ea3870
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.css
@@ -0,0 +1,36 @@
+:host ::ng-deep .monaco-editor .view-overlays .current-line {
+  display: none;
+}
+
+:host ::ng-deep .decorationsOverviewRuler {
+  display: none;
+}
+
+:host ::ng-deep .scrollbar.vertical {
+  display: none;
+}
+
+.timer {
+  position: fixed;
+  left: 20px;
+  bottom: 20px;
+}
+
+.btn-bar {
+  line-height: 3vw;
+}
+
+.btn-bar:hover .font-size {
+  display: block;
+  font-size: 4vw;
+}
+
+.btn-bar .font-size {
+  display: none;
+}
+
+.twitter {
+  color: #444;
+  font-size: 3vw;
+  margin: 2vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.html b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.html
new file mode 100644
index 000000000..44ebc5f9a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.html
@@ -0,0 +1,68 @@
+<slide-deck slideShortcuts slidesRouting kirjs-tracking>
+  <!--  <codelab-sync-button></codelab-sync-button>-->
+
+  <!--  INTRO -->
+  <div *slide no-padding id="intro">
+    <div class="bg intro">
+      <h2>
+        Angular ❤️ SVG
+        <br />
+        @kirjs
+      </h2>
+    </div>
+  </div>
+
+  <div *slide id="playground">
+    <codelab-sync-playground></codelab-sync-playground>
+  </div>
+
+  <div *slide id="sync">
+    <h1>Anybody will see this info!</h1>
+    <h2 *isPresenting>Only presenter sees this</h2>
+    <h2 *isViewing>Only viewer sees this</h2>
+  </div>
+
+  <div *slide id="user">
+    <h1>We can take user input</h1>
+
+    <div *isViewing>
+      <input [(ngModel)]="input" syncViewerValue="name" />
+    </div>
+    <div *isPresenting syncAllUserValues="name" #values="allViewerValues">
+      <div *ngFor="let item of values.values">
+        {{ item.value }}
+      </div>
+    </div>
+  </div>
+
+  <div *slide id="why-svg">
+    <div *isPresenting>
+      <h1>You are a presenter</h1>
+    </div>
+    <div *isViewing>
+      <h1>You are a viewer</h1>
+    </div>
+
+    <h1>What is SVG?</h1>
+    <ul>
+      <li>Scalable Vector Graphic Format</li>
+      <li>Every object is just an XML tag</li>
+      <li>Also works with CSS</li>
+    </ul>
+  </div>
+
+  <div *slide id="tbd">
+    <h1>LOL</h1>
+    <input [(ngModel)]="input2" syncPresenterValue="other" />
+  </div>
+
+  <div *slide id="race">
+    <h1>Race</h1>
+    <kirjs-race [track]="'M50 450 v -400 h 400 v 400 h-300'"></kirjs-race>
+  </div>
+
+  <div *slide id="race2">
+    <h1>Race</h1>
+    <kirjs-race [track]="tracks.advanced"></kirjs-race>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.ts
new file mode 100644
index 000000000..eb8406841
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.component.ts
@@ -0,0 +1,33 @@
+import { Component } from '@angular/core';
+import {
+  bootstrap,
+  builder,
+  exercise,
+  stylesheet
+} from '../../../../../codelab/src/app/shared/helpers/helpers';
+
+declare const require;
+
+@Component({
+  selector: 'kirjs-svg-race',
+  templateUrl: './svg-race.component.html',
+  styleUrls: ['./svg-race.component.css']
+})
+export class SvgRaceComponent {
+  fontSize = 20;
+
+  tracks = {
+    advanced: `M50 450 Q -50 -60 300 50
+Q 380 75 400 150
+Q 450 350 300 150
+Q 250 50 150 120
+Q 50 250 150 320
+Q 250 420 450 320
+
+`
+  };
+  input = 'hi';
+  input2: any;
+
+  constructor() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.module.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.module.ts
new file mode 100644
index 000000000..db0fa3901
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/svg-race.module.ts
@@ -0,0 +1,55 @@
+import { NgModule, Pipe, PipeTransform } from '@angular/core';
+import { RouterModule } from '@angular/router';
+import { FormsModule, ReactiveFormsModule } from '@angular/forms';
+import { DomSanitizer } from '@angular/platform-browser';
+import { CommonModule } from '@angular/common';
+import { MatButtonModule } from '@angular/material/button';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+
+import { FeedbackModule } from '@codelab/feedback';
+import { SyncModule } from '@codelab/utils/src/lib/sync/sync.module';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { TimerComponent } from './timer/timer.component';
+import { RaceComponent } from './race/race.component';
+import { LittleCarComponent } from './little-car/little-car.component';
+import { FinishComponent } from './finish/finish.component';
+import { PlayerComponent } from './player/player.component';
+import { SvgRaceComponent } from './svg-race.component';
+import { ButtonsNavBarModule } from '../../../../../codelab/src/app/components/buttons-nav-bar/buttons-nav-bar.module';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(SvgRaceComponent));
+
+@Pipe({ name: 'safeHtml' })
+export class SafeHtml implements PipeTransform {
+  constructor(private readonly sanitizer: DomSanitizer) {}
+
+  transform(html) {
+    return this.sanitizer.bypassSecurityTrustHtml(html);
+  }
+}
+
+@NgModule({
+  imports: [
+    routes,
+    CommonModule,
+    SlidesModule,
+    ButtonsNavBarModule,
+    FeedbackModule,
+    CodeDemoModule,
+    FormsModule,
+    MatButtonModule,
+    SyncModule,
+    ReactiveFormsModule
+  ],
+  declarations: [
+    RaceComponent,
+    SafeHtml,
+    SvgRaceComponent,
+    TimerComponent,
+    LittleCarComponent,
+    FinishComponent,
+    PlayerComponent
+  ],
+  exports: [SvgRaceComponent]
+})
+export class SvgRaceModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.css b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.css
new file mode 100644
index 000000000..1ee7514d1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.css
@@ -0,0 +1,4 @@
+.timer-running {
+  color: #444;
+  font-size: 3vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.html b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.html
new file mode 100644
index 000000000..6b16b6af5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.html
@@ -0,0 +1,2 @@
+<div *ngIf="time == 0" (click)="reset()">▶️</div>
+<div *ngIf="time > 0" class="timer-running">{{ time }}️</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.spec.ts
new file mode 100644
index 000000000..b393c12a9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TimerComponent } from './timer.component';
+
+describe('TimerComponent', () => {
+  let component: TimerComponent;
+  let fixture: ComponentFixture<TimerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [TimerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TimerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.ts
new file mode 100644
index 000000000..1cb7ecfe6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg-race/timer/timer.component.ts
@@ -0,0 +1,24 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-timer',
+  templateUrl: './timer.component.html',
+  styleUrls: ['./timer.component.css']
+})
+export class TimerComponent implements OnInit {
+  time = 0;
+
+  reset() {
+    this.time = 180;
+  }
+
+  constructor() {
+    window.setInterval(() => {
+      if (this.time > 0) {
+        this.time--;
+      }
+    }, 1000);
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/pics/1.jpg b/codelab-master/apps/kirjs/src/app/modules/svg/pics/1.jpg
new file mode 100644
index 000000000..7d9e301fd
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/svg/pics/1.jpg differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/pics/2.jpg b/codelab-master/apps/kirjs/src/app/modules/svg/pics/2.jpg
new file mode 100644
index 000000000..b61f46e7d
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/svg/pics/2.jpg differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/pics/3.jpg b/codelab-master/apps/kirjs/src/app/modules/svg/pics/3.jpg
new file mode 100644
index 000000000..a4804c6d0
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/svg/pics/3.jpg differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/pics/4.jpg b/codelab-master/apps/kirjs/src/app/modules/svg/pics/4.jpg
new file mode 100644
index 000000000..ed0fe1d86
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/svg/pics/4.jpg differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/pics/5.gif b/codelab-master/apps/kirjs/src/app/modules/svg/pics/5.gif
new file mode 100644
index 000000000..753dc9f07
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/svg/pics/5.gif differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/pics/ava.gif b/codelab-master/apps/kirjs/src/app/modules/svg/pics/ava.gif
new file mode 100644
index 000000000..4ef9143b8
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/svg/pics/ava.gif differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/app.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/app.component.ts
new file mode 100644
index 000000000..b534cdae3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/app.component.ts
@@ -0,0 +1,8 @@
+import { Component } from '@angular/core';
+
+// Just an empty component to make everything compile
+@Component({
+  selector: 'kirjs-app',
+  template: ''
+})
+export class AppComponent {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/app.module.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/app.module.ts
new file mode 100644
index 000000000..faea495af
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/app.module.ts
@@ -0,0 +1,10 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/attr/app.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/attr/app.component.ts
new file mode 100644
index 000000000..f2fd98a55
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/attr/app.component.ts
@@ -0,0 +1,27 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <rect
+        x="100"
+        width="200"
+        y="100"
+        height="200"
+        fill="pink"
+        stroke="black"
+        stroke-width="20"
+      ></rect>
+    </svg>
+  `
+})
+export class AppComponent {
+  y = 200;
+
+  constructor() {
+    window.setInterval(() => {
+      this.y = Math.random() * 300;
+    }, 200);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/bs.module.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/bs.module.ts
new file mode 100644
index 000000000..9f8fb09e5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/bs.module.ts
@@ -0,0 +1,22 @@
+import { AppComponent as A1 } from './sub.component';
+import { AppComponent as A2 } from './attr/app.component';
+import { AppComponent as A3 } from './chart/app.component';
+import { AppComponent as A4 } from './svg/app.component';
+import { AppComponent as A5 } from './chart4/app.component.solved';
+import { AppComponent as A6 } from './chart2/app.component.solved';
+import { Component, Input, NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+@Component({
+  selector: 'kirjs-ticks',
+  template: ''
+})
+export class FakeTicksComponent {
+  @Input() data: any;
+}
+
+@NgModule({
+  imports: [CommonModule],
+  declarations: [A1, A2, A3, A4, A5, A6, FakeTicksComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart/app.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart/app.component.ts
new file mode 100644
index 000000000..c2193ab27
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart/app.component.ts
@@ -0,0 +1,48 @@
+import { Component } from '@angular/core';
+
+function generateData() {
+  return Array.from(new Array(10)).map(index =>
+    Math.round(Math.random() * 300)
+  );
+}
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <g
+        *ngFor="let item of data; let i = index; trackBy: getIndex"
+        [style.transform]="
+          'translate(' + barSpace * i + 'px, ' + (320 - item) + 'px)'
+        "
+      >
+        <rect
+          [attr.width]="barWidth"
+          [attr.height]="item"
+          fill="pink"
+          stroke="black"
+          stroke-width="4"
+        ></rect>
+
+        <text [attr.x]="barWidth / 2" y="-10">{{ item }}</text>
+      </g>
+    </svg>
+  `
+})
+export class AppComponent {
+  barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+
+  data = generateData();
+
+  constructor() {
+    window.setInterval(() => {
+      this.data = generateData();
+    }, 1000);
+  }
+
+  getIndex(a, b) {
+    return a;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.component.solved.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.component.solved.ts
new file mode 100644
index 000000000..1edd47f20
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.component.solved.ts
@@ -0,0 +1,49 @@
+import { Component } from '@angular/core';
+
+function generateData() {
+  return Array.from(new Array(10)).map(index => ({
+    index,
+    value: Math.round(Math.random() * 300)
+  }));
+}
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <g
+        *ngFor="let item of data; let i = index; trackBy: getIndex"
+        [style.transform]="
+          'translate(' + barSpace * i + 'px, ' + (320 - item.value) + 'px)'
+        "
+      >
+        <rect
+          [attr.width]="barWidth"
+          [attr.height]="item.value"
+          fill="pink"
+          stroke="black"
+          stroke-width="4"
+        ></rect>
+
+        <text [attr.x]="barWidth / 2" y="-10">{{ item.value }}</text>
+      </g>
+      <!--<g kirjs-ticks style="transform: translate(0, 350px);" [data]="data"></g>-->
+    </svg>
+  `
+})
+export class AppComponent {
+  barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+  data = generateData();
+
+  constructor() {
+    window.setInterval(() => {
+      this.data = generateData();
+    }, 1000);
+  }
+
+  getIndex(a, b) {
+    return a;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.component.ts
new file mode 100644
index 000000000..a4d6d5cbb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.component.ts
@@ -0,0 +1,48 @@
+import { Component } from '@angular/core';
+
+function generateData() {
+  return Array.from(new Array(10)).map(index => ({
+    index,
+    value: Math.round(Math.random() * 300)
+  }));
+}
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <g
+        *ngFor="let item of data; let i = index; trackBy: getIndex"
+        [style.transform]="
+          'translate(' + barSpace * i + 'px, ' + (320 - item.value) + 'px)'
+        "
+      >
+        <rect
+          [attr.width]="barWidth"
+          [attr.height]="item.value"
+          fill="pink"
+          stroke="black"
+          stroke-width="4"
+        ></rect>
+
+        <text [attr.x]="barWidth / 2" y="-10">{{ item.value }}</text>
+      </g>
+    </svg>
+  `
+})
+export class AppComponent {
+  barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+  data = generateData();
+
+  constructor() {
+    window.setInterval(() => {
+      this.data = generateData();
+    }, 1000);
+  }
+
+  getIndex(a, b) {
+    return a;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.module.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.module.ts
new file mode 100644
index 000000000..5075dc62b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/app.module.ts
@@ -0,0 +1,11 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { TicksComponent } from './ticks.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent, TicksComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/ticks.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/ticks.component.ts
new file mode 100644
index 000000000..dc7aded0d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart2/ticks.component.ts
@@ -0,0 +1,25 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-ticks',
+  template: `
+    <svg:text
+      *ngFor="let item of data; let i = index; trackBy: getIndex"
+      [attr.x]="barSpace * (i + 0.3)"
+      style="text-anchor: center"
+      fill="black"
+    >
+      {{ i }}
+    </svg:text>
+  `
+})
+export class TicksComponent {
+  @Input() data;
+  @Input() barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+
+  getIndex(i: number) {
+    return i;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/app.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/app.component.ts
new file mode 100644
index 000000000..a4d6d5cbb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/app.component.ts
@@ -0,0 +1,48 @@
+import { Component } from '@angular/core';
+
+function generateData() {
+  return Array.from(new Array(10)).map(index => ({
+    index,
+    value: Math.round(Math.random() * 300)
+  }));
+}
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <g
+        *ngFor="let item of data; let i = index; trackBy: getIndex"
+        [style.transform]="
+          'translate(' + barSpace * i + 'px, ' + (320 - item.value) + 'px)'
+        "
+      >
+        <rect
+          [attr.width]="barWidth"
+          [attr.height]="item.value"
+          fill="pink"
+          stroke="black"
+          stroke-width="4"
+        ></rect>
+
+        <text [attr.x]="barWidth / 2" y="-10">{{ item.value }}</text>
+      </g>
+    </svg>
+  `
+})
+export class AppComponent {
+  barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+  data = generateData();
+
+  constructor() {
+    window.setInterval(() => {
+      this.data = generateData();
+    }, 1000);
+  }
+
+  getIndex(a, b) {
+    return a;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/app.module.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/app.module.ts
new file mode 100644
index 000000000..5075dc62b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/app.module.ts
@@ -0,0 +1,11 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { TicksComponent } from './ticks.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent, TicksComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/ticks.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/ticks.component.ts
new file mode 100644
index 000000000..dc7aded0d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart3/ticks.component.ts
@@ -0,0 +1,25 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-ticks',
+  template: `
+    <svg:text
+      *ngFor="let item of data; let i = index; trackBy: getIndex"
+      [attr.x]="barSpace * (i + 0.3)"
+      style="text-anchor: center"
+      fill="black"
+    >
+      {{ i }}
+    </svg:text>
+  `
+})
+export class TicksComponent {
+  @Input() data;
+  @Input() barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+
+  getIndex(i: number) {
+    return i;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.component.solved.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.component.solved.ts
new file mode 100644
index 000000000..e02ad6528
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.component.solved.ts
@@ -0,0 +1,49 @@
+import { Component } from '@angular/core';
+
+function generateData() {
+  return Array.from(new Array(10)).map(index => ({
+    index,
+    value: Math.round(Math.random() * 300)
+  }));
+}
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <g
+        *ngFor="let item of data; let i = index; trackBy: getIndex"
+        [style.transform]="
+          'translate(' + barSpace * i + 'px, ' + (320 - item.value) + 'px)'
+        "
+      >
+        <rect
+          [attr.width]="barWidth"
+          [attr.height]="item.value"
+          fill="pink"
+          stroke="black"
+          stroke-width="4"
+        ></rect>
+
+        <text [attr.x]="barWidth / 2" y="-10">{{ item.value }}</text>
+      </g>
+      <!--<g kirjs-ticks style="transform: translate(0, 350px);a:1" [data]="data"></g>-->
+    </svg>
+  `
+})
+export class AppComponent {
+  barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+  data = generateData();
+
+  constructor() {
+    window.setInterval(() => {
+      this.data = generateData();
+    }, 1000);
+  }
+
+  getIndex(a, b) {
+    return a;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.component.ts
new file mode 100644
index 000000000..709eb3894
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.component.ts
@@ -0,0 +1,49 @@
+import { Component } from '@angular/core';
+
+function generateData() {
+  return Array.from(new Array(10)).map(index => ({
+    index,
+    value: Math.round(Math.random() * 300)
+  }));
+}
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <g
+        *ngFor="let item of data; let i = index; trackBy: getIndex"
+        [style.transform]="
+          'translate(' + barSpace * i + 'px, ' + (320 - item.value) + 'px)'
+        "
+      >
+        <rect
+          [attr.width]="barWidth"
+          [attr.height]="item.value"
+          fill="pink"
+          stroke="black"
+          stroke-width="4"
+        ></rect>
+
+        <text [attr.x]="barWidth / 2" y="-10">{{ item.value }}</text>
+      </g>
+      <!--<g kirjs-ticks style="transform: translate(0, 350px)" [data]="data"></g>-->
+    </svg>
+  `
+})
+export class AppComponent {
+  barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+  data = generateData();
+
+  constructor() {
+    window.setInterval(() => {
+      this.data = generateData();
+    }, 1000);
+  }
+
+  getIndex(a, b) {
+    return a;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.module.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.module.ts
new file mode 100644
index 000000000..5075dc62b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/app.module.ts
@@ -0,0 +1,11 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+import { TicksComponent } from './ticks.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent, TicksComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/ticks.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/ticks.component.ts
new file mode 100644
index 000000000..dc7aded0d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/chart4/ticks.component.ts
@@ -0,0 +1,25 @@
+import { Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-ticks',
+  template: `
+    <svg:text
+      *ngFor="let item of data; let i = index; trackBy: getIndex"
+      [attr.x]="barSpace * (i + 0.3)"
+      style="text-anchor: center"
+      fill="black"
+    >
+      {{ i }}
+    </svg:text>
+  `
+})
+export class TicksComponent {
+  @Input() data;
+  @Input() barWidth = 30;
+  padding = 10;
+  barSpace = this.padding + this.barWidth;
+
+  getIndex(i: number) {
+    return i;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/index.html b/codelab-master/apps/kirjs/src/app/modules/svg/samples/index.html
new file mode 100644
index 000000000..3eb5376ac
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/index.html
@@ -0,0 +1,6 @@
+<!DOCTYPE html>
+<html lang="en">
+  <body>
+    <kirjs-app></kirjs-app>
+  </body>
+</html>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/style.css b/codelab-master/apps/kirjs/src/app/modules/svg/samples/style.css
new file mode 100644
index 000000000..26c577754
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/style.css
@@ -0,0 +1,17 @@
+svg,
+body,
+html {
+  width: 100%;
+  height: 100%;
+}
+
+text {
+  font-family: sans-serif;
+  text-anchor: middle;
+}
+
+rect,
+text,
+g {
+  transition: 1s;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/sub.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/sub.component.ts
new file mode 100644
index 000000000..f2fd98a55
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/sub.component.ts
@@ -0,0 +1,27 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg>
+      <rect
+        x="100"
+        width="200"
+        y="100"
+        height="200"
+        fill="pink"
+        stroke="black"
+        stroke-width="20"
+      ></rect>
+    </svg>
+  `
+})
+export class AppComponent {
+  y = 200;
+
+  constructor() {
+    window.setInterval(() => {
+      this.y = Math.random() * 300;
+    }, 200);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/samples/svg/app.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/samples/svg/app.component.ts
new file mode 100644
index 000000000..20b60f4e9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/samples/svg/app.component.ts
@@ -0,0 +1,17 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-app',
+  template: `
+    <svg></svg>
+  `
+})
+export class AppComponent {
+  y = 200;
+
+  constructor() {
+    window.setInterval(() => {
+      this.y = Math.random() * 300;
+    }, 200);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.css b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.css
new file mode 100644
index 000000000..157c3b2dd
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.css
@@ -0,0 +1,9 @@
+:host {
+  height: 100%;
+  display: block;
+}
+
+:host ::ng-deep svg {
+  width: 100%;
+  height: 100%;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.html b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.html
new file mode 100644
index 000000000..1f6ea3220
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.html
@@ -0,0 +1,12 @@
+<div style="height: 100%;display: flex;">
+  <div style="flex: 1; height: 100%">
+    <code-demo-editor
+      [(ngModel)]="code"
+      [lineNumbers]="false"
+      fontSize="30"
+    ></code-demo-editor>
+  </div>
+  <div style="height: 100%;flex: 1">
+    <div style="height: 100%;" [innerHTML]="code | safeHtml"></div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.spec.ts
new file mode 100644
index 000000000..45375a870
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SvgDemoComponent } from './svg-demo.component';
+
+describe('SvgDemoComponent', () => {
+  let component: SvgDemoComponent;
+  let fixture: ComponentFixture<SvgDemoComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SvgDemoComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SvgDemoComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.ts
new file mode 100644
index 000000000..65e2307c2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-demo/svg-demo.component.ts
@@ -0,0 +1,18 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-svg-demo',
+  templateUrl: './svg-demo.component.html',
+  styleUrls: ['./svg-demo.component.css']
+})
+export class SvgDemoComponent implements OnInit {
+  code: string;
+
+  @Input() fontSize;
+  @Input('code')
+  set codeInput(value) {
+    this.code = '<svg>\n' + value + '\n</svg>';
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.css b/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.html b/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.html
new file mode 100644
index 000000000..c4dc8d31e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.html
@@ -0,0 +1 @@
+<p>svg-playground works!</p>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.spec.ts
new file mode 100644
index 000000000..1c10b4ab9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SvgPlaygroundComponent } from './svg-playground.component';
+
+describe('RaceComponent', () => {
+  let component: SvgPlaygroundComponent;
+  let fixture: ComponentFixture<SvgPlaygroundComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SvgPlaygroundComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SvgPlaygroundComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.ts
new file mode 100644
index 000000000..17add7ab6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-playground/svg-playground.component.ts
@@ -0,0 +1,14 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-svg-playground',
+  templateUrl: './svg-playground.component.html',
+  styleUrls: ['./svg-playground.component.css']
+})
+export class SvgPlaygroundComponent implements OnInit {
+  @Input() code: string;
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.css b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.css
new file mode 100644
index 000000000..6053e8ea1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.css
@@ -0,0 +1,23 @@
+:host {
+  height: 100%;
+  display: block;
+}
+
+:host ::ng-deep svg {
+  width: 100%;
+  height: 100%;
+}
+
+code-demo-editor {
+  height: 500px;
+  width: 100%;
+  display: inline-block;
+  border: 1px solid #000;
+}
+
+::ng-deep svg {
+  width: 500px;
+  height: 500px;
+  border: 1px solid #999999;
+  min-height: 500px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.html b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.html
new file mode 100644
index 000000000..7532d3122
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.html
@@ -0,0 +1,15 @@
+<div>
+  <div
+    style="width: 95vh;
+
+  margin: 0 auto;position: absolute;top:0;left: 50%;margin-left:-48vh;
+background: white;
+font-size: 5vh;text-align: center;padding: 1vh;"
+  >
+    https://codelab.fun/svg/draw
+  </div>
+  <div
+    style="height: 95vh; width: 95vh; margin: 5vh auto"
+    [innerHTML]="allCode | safeHtml"
+  ></div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.spec.ts
new file mode 100644
index 000000000..44ac9a3bb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SvgTogetherResultComponent } from './svg-together-result.component';
+
+describe('SvgTogetherResultComponent', () => {
+  let component: SvgTogetherResultComponent;
+  let fixture: ComponentFixture<SvgTogetherResultComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SvgTogetherResultComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SvgTogetherResultComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.ts
new file mode 100644
index 000000000..f9d8e5ebb
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together-result/svg-together-result.component.ts
@@ -0,0 +1,31 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { AngularFireDatabase, AngularFireList } from '@angular/fire/database';
+
+@Component({
+  selector: 'kirjs-svg-together-result',
+  templateUrl: './svg-together-result.component.html',
+  styleUrls: ['./svg-together-result.component.css']
+})
+export class SvgTogetherResultComponent implements OnInit {
+  code = '';
+  angularFireList: AngularFireList<any>;
+  @Input() fontSize;
+  allCode = 'TBD';
+
+  constructor(af: AngularFireDatabase) {
+    this.angularFireList = af.list('/svg-together');
+    this.angularFireList.snapshotChanges().subscribe(a => {
+      this.allCode =
+        '<svg viewBox="0 0 500 500">' +
+        a.map(a => a.payload.val()).join('\n') +
+        '</svg>';
+    });
+  }
+
+  @Input('code')
+  set codeInput(value) {
+    this.code = '<svg>\n' + value + '\n</svg>';
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.css b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.css
new file mode 100644
index 000000000..6053e8ea1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.css
@@ -0,0 +1,23 @@
+:host {
+  height: 100%;
+  display: block;
+}
+
+:host ::ng-deep svg {
+  width: 100%;
+  height: 100%;
+}
+
+code-demo-editor {
+  height: 500px;
+  width: 100%;
+  display: inline-block;
+  border: 1px solid #000;
+}
+
+::ng-deep svg {
+  width: 500px;
+  height: 500px;
+  border: 1px solid #999999;
+  min-height: 500px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.html b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.html
new file mode 100644
index 000000000..9d7d2db56
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.html
@@ -0,0 +1,28 @@
+<!--<div style="display: flex;">-->
+<!--  <div [style.height]="'100%'" style="flex: 1">-->
+<!--    <div>-->
+<!--      <button-->
+<!--        mat-button-->
+<!--        (click)="code = helper.code"-->
+<!--        *ngFor="let helper of helpers"-->
+<!--      >-->
+<!--        {{ helper.label }}-->
+<!--      </button>-->
+<!--      <button (click)="submit()" mat-raised-button color="primary">-->
+<!--        Submit-->
+<!--      </button>-->
+<!--    </div>-->
+<!--    <code-demo-editor-->
+<!--      [(ngModel)]="code"-->
+<!--      [lineNumbers]="false"-->
+<!--      fontSize="30"-->
+<!--    ></code-demo-editor>-->
+<!--  </div>-->
+<!--  <div style="height: 500px; width: 500px; flex-shrink: 0;flex-grow: 0">-->
+<!--    <div style="height: 100%;" [innerHTML]="allCode | safeHtml"></div>-->
+<!--    <div-->
+<!--      style="height: 100%;margin-top: -500px"-->
+<!--      [innerHTML]="code | safeHtml"-->
+<!--    ></div>-->
+<!--  </div>-->
+<!--</div>-->
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.spec.ts
new file mode 100644
index 000000000..ee07989cc
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SvgTogetherComponent } from './svg-together.component';
+
+describe('SvgTogetherComponent', () => {
+  let component: SvgTogetherComponent;
+  let fixture: ComponentFixture<SvgTogetherComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SvgTogetherComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SvgTogetherComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.ts
new file mode 100644
index 000000000..55fc5248a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg-together/svg-together.component.ts
@@ -0,0 +1,132 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { AngularFireDatabase, AngularFireList } from '@angular/fire/database';
+
+@Component({
+  selector: 'kirjs-svg-together',
+  templateUrl: './svg-together.component.html',
+  styleUrls: ['./svg-together.component.css']
+})
+export class SvgTogetherComponent implements OnInit {
+  code = '';
+  angularFireList: AngularFireList<any>;
+  @Input() fontSize;
+  allCode = 'TBD';
+  helpers = [
+    {
+      label: '⭕️',
+      code: `<svg>
+<circle cx="200"
+  opacity="0.5"
+  cy="200"
+  r="30"
+  fill="#ff0000"
+  stroke="black"
+  stroke-width="2">
+</circle>
+</svg>`
+    },
+    {
+      label: '⬭',
+      code: `<svg>
+ <ellipse cx="130"
+        cy="175"
+        opacity="0.3"
+        rx="40"
+        ry="20"
+        fill="#ff0000"
+        stroke="black"
+        stroke-width="2"/>
+</svg>`
+    },
+    {
+      label: '▭',
+      code: `<svg>
+<rect x="100"
+  width="20"
+  opacity="0.3"
+  y="100"
+  height="20"
+  fill="#ff0000"
+  stroke="black"
+  stroke-width="2">
+</rect>
+</svg>`
+    },
+    {
+      label: '_',
+      code: `<svg>
+<line x1="10"
+  opacity="0.3"
+  x2="30"
+  y1="30"
+  y2="10"
+  stroke="#ff0000"
+  stroke-width="2">
+</line>
+</svg>`
+    },
+    {
+      label: 't',
+      code: `<svg>
+<text x=20
+  y="40"
+  opacity="0.3"
+  font-size="40"
+  fill="#ff0000"
+  stroke="black"
+  stroke-width=10>
+LOL❤
+</text>
+</svg>`
+    },
+    {
+      label: '☆',
+      code: `<svg>
+<polygon points="20,10 250,190 160,310 40,20"
+  fill="#ff0000"
+  opacity="0.3"
+  stroke="black"
+  stroke-width="2"/>
+</svg>`
+    },
+    {
+      label: '⌇',
+      code: `<svg>
+<path d="M 40 20 L 20 20, 55 130 Z"
+    fill="#ff0000"
+    opacity="0.3"
+    stroke="black"
+    stroke-width=1
+    />
+</svg>`
+    }
+  ];
+
+  constructor(af: AngularFireDatabase) {
+    this.angularFireList = af.list('/svg-together');
+    this.angularFireList.snapshotChanges().subscribe(a => {
+      this.allCode =
+        '<svg>' + a.map(a => a.payload.val()).join('\n') + '</svg>';
+    });
+    this.reset();
+  }
+
+  @Input('code')
+  set codeInput(value) {
+    this.code = '<svg>\n' + value + '\n</svg>';
+  }
+
+  submit() {
+    const code = this.code.replace(/<svg>\s+/, '').replace('</svg>', '');
+    this.angularFireList.push(code);
+    this.reset();
+  }
+
+  reset() {
+    this.code = `<svg>
+  <!--Write your code here-->
+</svg>`;
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.css b/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.css
new file mode 100644
index 000000000..863048277
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.css
@@ -0,0 +1,94 @@
+:host ::ng-deep .monaco-editor .view-overlays .current-line {
+  display: none;
+}
+
+:host ::ng-deep .decorationsOverviewRuler {
+  display: none;
+}
+
+:host ::ng-deep .scrollbar.vertical {
+  display: none;
+}
+
+.timer {
+  position: fixed;
+  left: 20px;
+  bottom: 20px;
+}
+
+.bg {
+  width: 100%;
+  height: 100%;
+  background-repeat: no-repeat;
+  background-size: cover;
+}
+
+.intro {
+  background-image: url(pics/1.jpg);
+}
+
+.kirjs {
+  background-image: url(pics/ava.gif);
+}
+
+.svg-60 {
+  background-image: url(pics/2.jpg);
+}
+
+.example {
+  background-image: url(pics/3.jpg);
+}
+
+.the-end {
+  background-image: url(pics/4.jpg);
+}
+
+.dog {
+  background-image: url(pics/5.gif);
+}
+
+.bg.intro h2 {
+  background: #000;
+  color: white;
+  margin-top: 50vh;
+  padding: 50px;
+  font-size: 10vh;
+  opacity: 0.7;
+}
+
+.bg.kirjs h2 {
+  background: #000;
+  color: white;
+  margin-top: 50vh;
+  padding: 10px;
+  font-size: 10vh;
+  opacity: 0.7;
+}
+
+.bg h2 {
+  background: #fff;
+  color: black;
+  margin-top: 50vh;
+  padding: 50px;
+  font-size: 10vh;
+  opacity: 0.7;
+}
+
+.btn-bar {
+  line-height: 3vw;
+}
+
+.btn-bar:hover .font-size {
+  display: block;
+  font-size: 4vw;
+}
+
+.btn-bar .font-size {
+  display: none;
+}
+
+.twitter {
+  color: #444;
+  font-size: 3vw;
+  margin: 2vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.html b/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.html
new file mode 100644
index 000000000..2b862216d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.html
@@ -0,0 +1,241 @@
+<slide-deck kirjs-tracking slidesRouting slideShortcuts>
+  <slide-arrows></slide-arrows>
+
+  <!--<kirjs-new-progress-bar title="Angular ❤️ SVG" [fontSize]="fontSize"-->
+  <!--(fontSizeChange)="fontSize =fontSize+ $event"></kirjs-new-progress-bar>-->
+
+  <!--  INTRO -->
+  <div no-padding *slide id="intro">
+    <div class="bg intro">
+      <h2>
+        Angular ❤️ SVG <br />
+        @kirjs
+      </h2>
+    </div>
+  </div>
+
+  <div no-padding *slide id="kirjs">
+    <div class="bg kirjs">
+      <ul>
+        <li>I read 📖📖📖</li>
+        <li>@kirjs</li>
+      </ul>
+    </div>
+  </div>
+
+  <div *slide id="why-svg">
+    <h1>What is SVG?</h1>
+    <ul>
+      <li>Scalable Vector Graphic Format</li>
+      <li>Can be edited with a text editor!</li>
+      <li>Every object is just an XML tag</li>
+      <li>Works with CSS</li>
+      <li>Plays well with angular templates!</li>
+    </ul>
+  </div>
+
+  <div *slide id="angular-gif">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.gifang"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="angular-intro">
+    <kirjs-svg-demo
+      [fontSize]="fontSize"
+      [code]="code.angular"
+    ></kirjs-svg-demo>
+  </div>
+
+  <!--  INTRO -->
+  <div no-padding *slide id="svg-in-60">
+    <div class="bg svg-60"><h2>SVG in 5 minutes</h2></div>
+  </div>
+
+  <div *slide id="svg-circle">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.circle"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-ellipse">
+    <kirjs-svg-demo
+      [fontSize]="fontSize"
+      [code]="code.ellipse"
+    ></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-rect">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.rect"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-line">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.line"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-text">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.text"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-linewrap">
+    <kirjs-svg-demo
+      [fontSize]="fontSize"
+      [code]="code.linewrap"
+    ></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-foreign-object">
+    <kirjs-svg-demo
+      [fontSize]="fontSize"
+      [code]="code.foreignObject"
+    ></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-polygon">
+    <kirjs-svg-demo
+      [fontSize]="fontSize"
+      [code]="code.polygon"
+    ></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-path">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.path"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-group">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.group"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="cool-stuff"><h2>Some cool stuff</h2></div>
+
+  <div *slide id="svg-clip">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.clip"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-path-2">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.path"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-clip2">
+    <kirjs-svg-demo [fontSize]="fontSize" [code]="code.clip2"></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="svg-textPath">
+    <kirjs-svg-demo
+      [fontSize]="fontSize"
+      [code]="code.textPath"
+    ></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="completed">
+    <h2>Now you're an SVG expert!</h2>
+    <h2>However SVG has a couple of edge cases</h2>
+  </div>
+
+  <div *slide id="completed2" no-padding>
+    <div class="bg dog">
+      <h2>Sign up for my 80 hour workshop "Wait, SVG, LOL, Really?"</h2>
+    </div>
+  </div>
+
+  <div *slide id="examples" no-padding>
+    <div class="bg example"><h2>Let's check out some examples:</h2></div>
+  </div>
+
+  <div *slide id="angular">
+    <kirjs-svg-demo
+      [fontSize]="fontSize"
+      [code]="code.angular"
+    ></kirjs-svg-demo>
+  </div>
+
+  <div *slide id="examples-hc">
+    <h2><a href="https://www.highcharts.com/demo">Highcharts</a></h2>
+  </div>
+
+  <div *slide id="svg-attrs" no-padding>
+    <h1>SVG attributes binding</h1>
+    <code-demo
+      [(ngModel)]="code.componentAttrs"
+      file="app.component.ts"
+    ></code-demo>
+  </div>
+
+  <div *slide id="attr-vs-prop-2">
+    <h1>LOL, but why?</h1>
+    <div style="height: 100%;">
+      <code-demo-editor
+        fontSize="40"
+        [lineNumbers]="false"
+        [(ngModel)]="code.attrVsProp"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="svg-chart" no-padding>
+    <h1>Let's create a simple barchart</h1>
+    <code-demo
+      [(ngModel)]="code.basicChart"
+      file="app.component.ts"
+    ></code-demo>
+  </div>
+
+  <div *slide id="svg-chart-2" no-padding>
+    <h1>Custom SVG Elements</h1>
+
+    <code-demo
+      [(ngModel)]="code.chart2"
+      [solutions]="code.chart2Solutions"
+      file="app.component.ts"
+    ></code-demo>
+  </div>
+
+  <!--<div *slide id="svg-chart3" no-padding>-->
+  <!--<h1>Foreign object</h1>-->
+
+  <!--<kirjs-exercise [files]="code.chart3">-->
+  <!--<div class="description"></div>-->
+  <!--<kirjs-new-editors [fontSize]="fontSize" class="editor">-->
+  <!--</kirjs-new-editors>-->
+  <!--<kirjs-angular-preview-runner class="description"></kirjs-angular-preview-runner>-->
+  <!--</kirjs-exercise>-->
+  <!--</div>-->
+
+  <div *slide id="attr-vs-prop-3">
+    <h1>But why?</h1>
+    <div style="height: 100%;">
+      <code-demo-editor
+        fontSize="40"
+        [lineNumbers]="false"
+        [(ngModel)]="code.createElement"
+      ></code-demo-editor>
+    </div>
+  </div>
+
+  <div *slide id="links">
+    <h2>Links</h2>
+    <ul>
+      <li>
+        <a href="https://www.youtube.com/watch?v=ADXX4fmWHbo"
+          >SVG Can do that? (eng)</a
+        >
+      </li>
+      <li>
+        <a href="https://swimlane.github.io/ngx-charts/bar-vertical"
+          >NGX Charts</a
+        >
+      </li>
+      <li><a href="https://codelab.fun/svg/0">https://codelab.fun/svg/0</a></li>
+    </ul>
+  </div>
+
+  <!--<div *slide id="draw">-->
+  <!--<kirjs-svg-together [fontSize]="fontSize"></kirjs-svg-together>-->
+  <!--</div>-->
+
+  <!--<div *slide id="svg-together-result" no-padding="">-->
+  <!--<kirjs-svg-together-result [fontSize]="fontSize"></kirjs-svg-together-result>-->
+  <!--</div>-->
+
+  <div *slide id="links-2" no-padding>
+    <div class="bg the-end"><h2>@kirjs</h2></div>
+  </div>
+
+  <div class="timer" no-padding><kirjs-timer></kirjs-timer></div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.ts
new file mode 100644
index 000000000..c1c60e926
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/svg/svg.component.ts differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/svg.module.ts b/codelab-master/apps/kirjs/src/app/modules/svg/svg.module.ts
new file mode 100644
index 000000000..a916ff1af
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/svg.module.ts
@@ -0,0 +1,46 @@
+import { NgModule } from '@angular/core';
+
+import { RouterModule } from '@angular/router';
+import { SlidesRoutes } from '@ng360/slides';
+import { FeedbackModule } from '@codelab/feedback';
+import { SvgComponent } from './svg.component';
+
+import { FormsModule } from '@angular/forms';
+import { SvgDemoComponent } from './svg-demo/svg-demo.component';
+import { SvgPlaygroundComponent } from './svg-playground/svg-playground.component';
+
+import { TimerComponent } from './timer/timer.component';
+import { CommonModule } from '@angular/common';
+import { SvgTogetherComponent } from './svg-together/svg-together.component';
+import { MatButtonModule } from '@angular/material/button';
+import { SharedPipeModule } from '@codelab/utils/src/lib/pipes/pipes.module';
+import { SlidesModule } from '@ng360/slides';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { SvgTogetherResultComponent } from './svg-together-result/svg-together-result.component';
+import { NewProgressBarModule } from '../ast/new-progress-bar/new-progress-bar.module';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(SvgComponent));
+
+@NgModule({
+  imports: [
+    routes,
+    CommonModule,
+    FeedbackModule,
+    FormsModule,
+    MatButtonModule,
+    NewProgressBarModule,
+    SharedPipeModule,
+    SlidesModule,
+    CodeDemoModule
+  ],
+  declarations: [
+    SvgComponent,
+    SvgTogetherComponent,
+    SvgTogetherResultComponent,
+    SvgDemoComponent,
+    SvgPlaygroundComponent,
+    TimerComponent
+  ],
+  exports: [SvgComponent]
+})
+export class SvgModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.css b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.css
new file mode 100644
index 000000000..1ee7514d1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.css
@@ -0,0 +1,4 @@
+.timer-running {
+  color: #444;
+  font-size: 3vw;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.html b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.html
new file mode 100644
index 000000000..6b16b6af5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.html
@@ -0,0 +1,2 @@
+<div *ngIf="time == 0" (click)="reset()">▶️</div>
+<div *ngIf="time > 0" class="timer-running">{{ time }}️</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.spec.ts
new file mode 100644
index 000000000..b393c12a9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TimerComponent } from './timer.component';
+
+describe('TimerComponent', () => {
+  let component: TimerComponent;
+  let fixture: ComponentFixture<TimerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [TimerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TimerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.ts b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.ts
new file mode 100644
index 000000000..1cb7ecfe6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/svg/timer/timer.component.ts
@@ -0,0 +1,24 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-timer',
+  templateUrl: './timer.component.html',
+  styleUrls: ['./timer.component.css']
+})
+export class TimerComponent implements OnInit {
+  time = 0;
+
+  reset() {
+    this.time = 180;
+  }
+
+  constructor() {
+    window.setInterval(() => {
+      if (this.time > 0) {
+        this.time--;
+      }
+    }, 1000);
+  }
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.css b/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.html b/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.html
new file mode 100644
index 000000000..704a8d028
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.html
@@ -0,0 +1 @@
+<codelab-sync-playground></codelab-sync-playground>
diff --git a/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.spec.ts
new file mode 100644
index 000000000..78bc9b619
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SyncComponent } from './sync.component';
+
+describe('SyncComponent', () => {
+  let component: SyncComponent;
+  let fixture: ComponentFixture<SyncComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SyncComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SyncComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.ts b/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.ts
new file mode 100644
index 000000000..7bdefba51
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/sync/sync.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-sync',
+  templateUrl: './sync.component.html',
+  styleUrls: ['./sync.component.css']
+})
+export class SyncComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/sync/sync.module.ts b/codelab-master/apps/kirjs/src/app/modules/sync/sync.module.ts
new file mode 100644
index 000000000..baeb59888
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/sync/sync.module.ts
@@ -0,0 +1,25 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { RouterModule } from '@angular/router';
+import { SyncModule as SyncLibModule } from '@codelab/utils/src/lib/sync/sync.module';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { SyncSessionsComponent } from '@codelab/utils/src/lib/sync/components/sync-sessions/sync-sessions.component';
+import { SyncComponent } from './sync.component';
+
+const routes = RouterModule.forChild([
+  { path: 'sessions', component: SyncSessionsComponent },
+  ...SlidesRoutes.get(SyncComponent)
+]);
+
+@NgModule({
+  declarations: [SyncComponent],
+  imports: [
+    CommonModule,
+    SlidesModule,
+    routes,
+    SyncLibModule,
+    AngularFireAuthModule
+  ]
+})
+export class SyncModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/test/test.component.css b/codelab-master/apps/kirjs/src/app/modules/test/test.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/test/test.component.html b/codelab-master/apps/kirjs/src/app/modules/test/test.component.html
new file mode 100644
index 000000000..941f267e6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/test/test.component.html
@@ -0,0 +1 @@
+<p>test works!</p>
diff --git a/codelab-master/apps/kirjs/src/app/modules/test/test.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/test/test.component.spec.ts
new file mode 100644
index 000000000..3ce2f9bb2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/test/test.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { TestComponent } from './test.component';
+
+describe('TestComponent', () => {
+  let component: TestComponent;
+  let fixture: ComponentFixture<TestComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [TestComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(TestComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/test/test.component.ts b/codelab-master/apps/kirjs/src/app/modules/test/test.component.ts
new file mode 100644
index 000000000..2a28d9ff7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/test/test.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'kirjs-test',
+  templateUrl: './test.component.html',
+  styleUrls: ['./test.component.css']
+})
+export class TestComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/test/test.module.ts b/codelab-master/apps/kirjs/src/app/modules/test/test.module.ts
new file mode 100644
index 000000000..73286878d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/test/test.module.ts
@@ -0,0 +1,14 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { RouterModule } from '@angular/router';
+import { SlidesRoutes } from '@ng360/slides';
+import { TestComponent } from './test.component';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(TestComponent));
+
+@NgModule({
+  imports: [CommonModule, routes],
+  declarations: [TestComponent],
+  entryComponents: [TestComponent]
+})
+export class TestModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/ca.module.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/ca.module.ts
new file mode 100644
index 000000000..21b603af8
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/ca.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SingleCellComponent } from './single-cell/single-cell.component';
+import { SingleGridComponent } from './single-grid/single-grid.component';
+
+@NgModule({
+  declarations: [SingleCellComponent, SingleGridComponent],
+  exports: [SingleCellComponent, SingleGridComponent],
+  imports: [CommonModule]
+})
+export class CaModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.css
new file mode 100644
index 000000000..c8b46c5ce
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.css
@@ -0,0 +1,43 @@
+:host {
+  display: flex;
+  height: 100%;
+  width: 100%;
+  align-items: center;
+  justify-content: space-around;
+}
+
+.cell {
+  width: 10vh;
+  height: 10vh;
+  border: 4px #444 solid;
+  animation: toColor 5s infinite linear, size 5s linear;
+}
+
+@keyframes size {
+  0% {
+    width: 60vh;
+    height: 60vh;
+  }
+  100% {
+    width: 10vh;
+    height: 10vh;
+  }
+}
+
+@keyframes toColor {
+  0% {
+    background: #000;
+  }
+  45% {
+    background: #000;
+  }
+  50% {
+    background: #fff;
+  }
+  95% {
+    background: #fff;
+  }
+  100% {
+    background: #000;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.html
new file mode 100644
index 000000000..9c5b1d34a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.html
@@ -0,0 +1 @@
+<div class="cell"></div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.spec.ts
new file mode 100644
index 000000000..847a44020
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SingleCellComponent } from './single-cell.component';
+
+describe('SingleCellComponent', () => {
+  let component: SingleCellComponent;
+  let fixture: ComponentFixture<SingleCellComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SingleCellComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SingleCellComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.ts
new file mode 100644
index 000000000..882dbfb6b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-cell/single-cell.component.ts
@@ -0,0 +1,14 @@
+import { Component, Input, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'slides-single-cell',
+  templateUrl: './single-cell.component.html',
+  styleUrls: ['./single-cell.component.css']
+})
+export class SingleCellComponent implements OnInit {
+  @Input() single = true;
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.css
new file mode 100644
index 000000000..f369bb3c6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.css
@@ -0,0 +1,52 @@
+:host {
+  display: flex;
+  height: 100%;
+  width: 100%;
+  align-items: center;
+  justify-content: center;
+}
+
+.cell {
+  width: 10vh;
+  height: 10vh;
+  animation: toColor 4s linear infinite;
+  /*animation: size 15s linear;*/
+}
+
+.row {
+  display: flex;
+}
+
+.central {
+  animation: none;
+  background: #000;
+}
+
+@keyframes size {
+  0% {
+    width: 60vh;
+    height: 60vh;
+  }
+  100% {
+    width: 10vh;
+    height: 10vh;
+  }
+}
+
+@keyframes toColor {
+  0% {
+    background: #000;
+  }
+  45% {
+    background: #000;
+  }
+  50% {
+    background: #fff;
+  }
+  95% {
+    background: #fff;
+  }
+  100% {
+    background: #000;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.html
new file mode 100644
index 000000000..a3ecb19a5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.html
@@ -0,0 +1,10 @@
+<div class="grid">
+  <div class="row" *ngFor="let i of f">
+    <div
+      class="cell"
+      *ngFor="let o of f"
+      [class.central]="i === 4 && o === 4"
+      [style.animation-delay.s]="randomDelays[i][o]"
+    ></div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.spec.ts
new file mode 100644
index 000000000..b946dd61d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { SingleGridComponent } from './single-grid.component';
+
+describe('SingleGridComponent', () => {
+  let component: SingleGridComponent;
+  let fixture: ComponentFixture<SingleGridComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [SingleGridComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(SingleGridComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.ts
new file mode 100644
index 000000000..d4283e428
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/ca/single-grid/single-grid.component.ts
@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'slides-single-grid',
+  templateUrl: './single-grid.component.html',
+  styleUrls: ['./single-grid.component.css']
+})
+export class SingleGridComponent implements OnInit {
+  readonly f = [...new Array(9)].map((a, i) => i);
+  readonly randomDelays = this.f.map(a => this.f.map(b => Math.random() * 5));
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.html
new file mode 100644
index 000000000..9b58302d5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.html
@@ -0,0 +1,74 @@
+<mat-form-field>
+  <input
+    type="number"
+    matInput
+    placeholder="Title"
+    required
+    [(ngModel)]="cellSize"
+    (ngModelChange)="prepare()"
+  />
+</mat-form-field>
+<mat-form-field>
+  <input
+    type="number"
+    matInput
+    placeholder="Width"
+    required
+    [(ngModel)]="width"
+    (ngModelChange)="prepare()"
+  />
+</mat-form-field>
+<mat-form-field>
+  <input
+    type="number"
+    matInput
+    placeholder="height"
+    required
+    [(ngModel)]="height"
+    (ngModelChange)="prepare()"
+  />
+</mat-form-field>
+<mat-form-field>
+  <input
+    type="number"
+    matInput
+    placeholder="rowSize"
+    required
+    [(ngModel)]="rowSize"
+    (ngModelChange)="prepare()"
+  />
+</mat-form-field>
+<mat-form-field>
+  <input
+    type="number"
+    matInput
+    placeholder="rule"
+    required
+    [(ngModel)]="rule"
+    (ngModelChange)="prepare()"
+  />
+</mat-form-field>
+<mat-form-field>
+  <input
+    type="number"
+    matInput
+    placeholder="steps"
+    required
+    [(ngModel)]="steps"
+    (ngModelChange)="prepare()"
+  />
+</mat-form-field>
+
+<span>
+  90, 110, 184, 30
+</span>
+
+<kirjs-rule3 [arrow]="true" [rule]="rule"></kirjs-rule3>
+
+<kirjs-webassembly-runner
+  [width]="width"
+  [height]="height"
+  class="runner"
+  [webAssemblyCode]="wat"
+  [jsCode]="js"
+></kirjs-webassembly-runner>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.spec.ts
new file mode 100644
index 000000000..b54608e62
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { FullScreenRunnerComponent } from './full-screen-runner.component';
+
+describe('FullScreenRunnerComponent', () => {
+  let component: FullScreenRunnerComponent;
+  let fixture: ComponentFixture<FullScreenRunnerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [FullScreenRunnerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(FullScreenRunnerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.ts
new file mode 100644
index 000000000..765e5cea2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.component.ts
@@ -0,0 +1,50 @@
+import { Component, Input, OnChanges, OnInit } from '@angular/core';
+import { extractExpressionByMatch } from '../utils';
+
+@Component({
+  selector: 'slides-full-screen-runner',
+  templateUrl: './full-screen-runner.component.html',
+  styleUrls: ['./full-screen-runner.component.css']
+})
+export class FullScreenRunnerComponent implements OnInit, OnChanges {
+  @Input() code: any;
+  cellSize = 10;
+  wat: string;
+  js: string;
+  width = 2000;
+  height = 1800;
+  rowSize = 100;
+  rule = 1;
+  steps = 100;
+
+  constructor() {}
+
+  ngOnInit() {}
+
+  ngOnChanges() {
+    this.prepare();
+  }
+
+  prepare() {
+    const expected = (256 + this.rule)
+      .toString(2)
+      .substr(1)
+      .split('')
+      .map(Number)
+      .reverse()
+      .map(n => (n ? '  $enable' : '  $disable'))
+      .join('\n');
+
+    this.wat = this.code.wat;
+    this.js = this.code.js;
+    this.js = this.js.replace(/size = \d+/, 'size = ' + this.cellSize);
+    this.js = this.js.replace(/steps: \d+/, 'steps: ' + this.steps);
+    this.js = this.js.replace(/rowSize: \d+/, 'rowSize: ' + this.rowSize);
+    const elem = extractExpressionByMatch(/\(elem/, this.wat);
+    const newElem = `(elem (i32.const 0)
+  ${expected}
+  )`;
+
+    this.wat = this.wat.replace(elem, newElem);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.module.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.module.ts
new file mode 100644
index 000000000..24a2cdb64
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/full-screen-runner/full-screen-runner.module.ts
@@ -0,0 +1,20 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { FullScreenRunnerComponent } from './full-screen-runner.component';
+import { WebassemblyRunnerModule } from '../webassembly-playground/webassembly-runner/webassembly-runner.module';
+import { MatInputModule } from '@angular/material/input';
+import { FormsModule } from '@angular/forms';
+import { CellularAutomationModule } from '../../cellular-automation/cellular-automation.module';
+
+@NgModule({
+  declarations: [FullScreenRunnerComponent],
+  exports: [FullScreenRunnerComponent],
+  imports: [
+    CommonModule,
+    WebassemblyRunnerModule,
+    MatInputModule,
+    FormsModule,
+    CellularAutomationModule
+  ]
+})
+export class FullScreenRunnerModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/monaco-wat.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/monaco-wat.ts
new file mode 100644
index 000000000..9db36b005
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/monaco-wat.ts
@@ -0,0 +1,1334 @@
+/* Copyright 2018 Mozilla Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the 'Software'), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+declare const monaco;
+
+const languages = monaco.languages;
+
+const CompletionItemKind = languages.CompletionItemKind;
+const CompletionItemInsertTextRule = languages.CompletionItemInsertTextRule;
+type CompletionItem = typeof languages.CompletionItem;
+
+type IModel = any;
+type IPosition = any;
+type IRichLanguageConfiguration = any;
+
+let completionItems: CompletionItem[] = null;
+
+export function getWatCompletionItems() {
+  const keyword = CompletionItemKind.Keyword;
+  if (completionItems) {
+    return completionItems;
+  }
+  return (completionItems = [
+    { label: 'module', documentation: '', kind: keyword, insertText: 'module' },
+
+    {
+      label: 'func',
+      documentation: 'function declaration',
+      kind: keyword,
+      insertText: 'func'
+    },
+    {
+      label: 'param',
+      documentation: 'parameter',
+      kind: keyword,
+      insertText: { value: 'param ${1:identifier} ${2:type}' } as any
+    },
+
+    {
+      label: 'i32',
+      documentation: '32-bit integer',
+      kind: keyword,
+      insertText: 'i32'
+    },
+    {
+      label: 'i64',
+      documentation: '64-bit integer',
+      kind: keyword,
+      insertText: 'i64'
+    },
+    {
+      label: 'f32',
+      documentation: '32-bit floating point',
+      kind: keyword,
+      insertText: 'f32'
+    },
+    {
+      label: 'f64',
+      documentation: '64-bit floating point',
+      kind: keyword,
+      insertText: 'f64'
+    },
+    {
+      label: 'anyfunc',
+      documentation: 'function reference',
+      kind: keyword,
+      insertText: 'anyfunc'
+    },
+
+    {
+      label: 'i32.load8_s',
+      documentation: 'load 1 byte and sign-extend i8 to i32',
+      kind: keyword,
+      insertText: 'i32.load8_s'
+    },
+    {
+      label: 'i32.load8_u',
+      documentation: 'load 1 byte and zero-extend i8 to i32',
+      kind: keyword,
+      insertText: 'i32.load8_u'
+    },
+    {
+      label: 'i32.load16_s',
+      documentation: 'load 2 bytes and sign-extend i16 to i32',
+      kind: keyword,
+      insertText: 'i32.load16_s'
+    },
+    {
+      label: 'i32.load16_u',
+      documentation: 'load 2 bytes and zero-extend i16 to i32',
+      kind: keyword,
+      insertText: 'i32.load16_u'
+    },
+    {
+      label: 'i32.load',
+      documentation: 'load 4 bytes as i32',
+      kind: keyword,
+      insertText: 'i32.load'
+    },
+    {
+      label: 'i64.load8_s',
+      documentation: 'load 1 byte and sign-extend i8 to i64',
+      kind: keyword,
+      insertText: 'i64.load8_s'
+    },
+    {
+      label: 'i64.load8_u',
+      documentation: 'load 1 byte and zero-extend i8 to i64',
+      kind: keyword,
+      insertText: 'i64.load8_u'
+    },
+    {
+      label: 'i64.load16_s',
+      documentation: 'load 2 bytes and sign-extend i16 to i64',
+      kind: keyword,
+      insertText: 'i64.load16_s'
+    },
+    {
+      label: 'i64.load16_u',
+      documentation: 'load 2 bytes and zero-extend i16 to i64',
+      kind: keyword,
+      insertText: 'i64.load16_u'
+    },
+    {
+      label: 'i64.load32_s',
+      documentation: 'load 4 bytes and sign-extend i32 to i64',
+      kind: keyword,
+      insertText: 'i64.load32_s'
+    },
+    {
+      label: 'i64.load32_u',
+      documentation: 'load 4 bytes and zero-extend i32 to i64',
+      kind: keyword,
+      insertText: 'i64.load32_u'
+    },
+    {
+      label: 'i64.load',
+      documentation: 'load 8 bytes as i64',
+      kind: keyword,
+      insertText: 'i64.load'
+    },
+    {
+      label: 'f32.load',
+      documentation: 'load 4 bytes as f32',
+      kind: keyword,
+      insertText: 'f32.load'
+    },
+    {
+      label: 'f64.load',
+      documentation: 'load 8 bytes as f64',
+      kind: keyword,
+      insertText: 'f64.load'
+    },
+
+    {
+      label: 'i32.store8',
+      documentation: 'wrap i32 to i8 and store 1 byte',
+      kind: keyword,
+      insertText: 'i32.store8'
+    },
+    {
+      label: 'i32.store16',
+      documentation: 'wrap i32 to i16 and store 2 bytes',
+      kind: keyword,
+      insertText: 'i32.store16'
+    },
+    {
+      label: 'i32.store',
+      documentation: '(no conversion) store 4 bytes',
+      kind: keyword,
+      insertText: 'i32.store'
+    },
+    {
+      label: 'i64.store8',
+      documentation: 'wrap i64 to i8 and store 1 byte',
+      kind: keyword,
+      insertText: 'i64.store8'
+    },
+    {
+      label: 'i64.store16',
+      documentation: 'wrap i64 to i16 and store 2 bytes',
+      kind: keyword,
+      insertText: 'i64.store16'
+    },
+    {
+      label: 'i64.store32',
+      documentation: 'wrap i64 to i32 and store 4 bytes',
+      kind: keyword,
+      insertText: 'i64.store32'
+    },
+    {
+      label: 'i64.store',
+      documentation: '(no conversion) store 8 bytes',
+      kind: keyword,
+      insertText: 'i64.store'
+    },
+    {
+      label: 'f32.store',
+      documentation: '(no conversion) store 4 bytes',
+      kind: keyword,
+      insertText: 'f32.store'
+    },
+    {
+      label: 'f64.store',
+      documentation: '(no conversion) store 8 bytes',
+      kind: keyword,
+      insertText: 'f64.store'
+    },
+
+    {
+      label: 'get_local',
+      documentation: 'read the current value of a local variable',
+      kind: keyword,
+      insertText: 'get_local'
+    },
+    {
+      label: 'set_local',
+      documentation: 'set the current value of a local variable',
+      kind: keyword,
+      insertText: 'set_local'
+    },
+    {
+      label: 'tee_local',
+      documentation: 'like `set_local`, but also returns the set value',
+      kind: keyword,
+      insertText: 'tee_local'
+    },
+
+    {
+      label: 'get_global',
+      documentation: 'get the current value of a global variable',
+      kind: keyword,
+      insertText: 'get_global'
+    },
+    {
+      label: 'set_global',
+      documentation: 'set the current value of a global variable',
+      kind: keyword,
+      insertText: 'set_global'
+    },
+
+    {
+      label: 'nop',
+      documentation: 'no operation, no effect',
+      kind: keyword,
+      insertText: 'nop'
+    },
+    {
+      label: 'block',
+      documentation:
+        'the beginning of a block construct, a sequence of instructions with a label at the end',
+      kind: keyword,
+      insertText: 'block'
+    },
+    {
+      label: 'loop',
+      documentation:
+        'a block with a label at the beginning which may be used to form loops',
+      kind: keyword,
+      insertText: 'loop'
+    },
+    {
+      label: 'if',
+      documentation:
+        'the beginning of an if construct with an implicit *then* block',
+      kind: keyword,
+      insertText: 'if'
+    },
+    {
+      label: 'else',
+      documentation: 'marks the else block of an if',
+      kind: keyword,
+      insertText: 'else'
+    },
+    {
+      label: 'br',
+      documentation: 'branch to a given label in an enclosing construct',
+      kind: keyword,
+      insertText: 'br'
+    },
+    {
+      label: 'br_if',
+      documentation:
+        'conditionally branch to a given label in an enclosing construct',
+      kind: keyword,
+      insertText: 'br_if'
+    },
+    {
+      label: 'br_table',
+      documentation:
+        'a jump table which jumps to a label in an enclosing construct',
+      kind: keyword,
+      insertText: 'br_table'
+    },
+    {
+      label: 'return',
+      documentation: 'return zero or more values from this function',
+      kind: keyword,
+      insertText: 'return'
+    },
+    {
+      label: 'end',
+      documentation:
+        'an instruction that marks the end of a block, loop, if, or function',
+      kind: keyword,
+      insertText: 'end'
+    },
+
+    {
+      label: 'call',
+      documentation: 'call function directly',
+      kind: keyword,
+      insertText: 'call'
+    },
+    {
+      label: 'call_indirect',
+      documentation: 'call function indirectly',
+      kind: keyword,
+      insertText: 'call_indirect'
+    },
+
+    {
+      label: 'i64.const',
+      documentation: 'produce the value of an i64 immediate',
+      kind: keyword,
+      insertText: { value: 'i64.const ${1:constant}' }
+    },
+    {
+      label: 'i32.const',
+      documentation: 'produce the value of an i32 immediate',
+      kind: keyword,
+      insertText: { value: 'i32.const ${1:constant}' }
+    },
+    {
+      label: 'f32.const',
+      documentation: 'produce the value of an f32 immediate',
+      kind: keyword,
+      insertText: { value: 'f32.const ${1:constant}' }
+    },
+    {
+      label: 'f64.const',
+      documentation: 'produce the value of an f64 immediate',
+      kind: keyword,
+      insertText: { value: 'f64.const ${1:constant}' }
+    },
+
+    {
+      label: 'i32.add',
+      documentation: 'sign-agnostic addition',
+      kind: keyword,
+      insertText: 'i32.add'
+    },
+    {
+      label: 'i32.sub',
+      documentation: 'sign-agnostic subtraction',
+      kind: keyword,
+      insertText: 'i32.sub'
+    },
+    {
+      label: 'i32.mul',
+      documentation: 'sign-agnostic multiplication (lower 32-bits)',
+      kind: keyword,
+      insertText: 'i32.mul'
+    },
+    {
+      label: 'i32.div_s',
+      documentation: 'signed division (result is truncated toward zero)',
+      kind: keyword,
+      insertText: 'i32.div_s'
+    },
+    {
+      label: 'i32.div_u',
+      documentation:
+        'unsigned division (result is [floored](https://en.wikipedia.org/wiki/Floor_and_ceiling_functions))',
+      kind: keyword,
+      insertText: 'i32.div_u'
+    },
+    {
+      label: 'i32.rem_s',
+      documentation: 'signed remainder (result has the sign of the dividend)',
+      kind: keyword,
+      insertText: 'i32.rem_s'
+    },
+    {
+      label: 'i32.rem_u',
+      documentation: 'unsigned remainder',
+      kind: keyword,
+      insertText: 'i32.rem_u'
+    },
+    {
+      label: 'i32.and',
+      documentation: 'sign-agnostic bitwise and',
+      kind: keyword,
+      insertText: 'i32.and'
+    },
+    {
+      label: 'i32.or',
+      documentation: 'sign-agnostic bitwise inclusive or',
+      kind: keyword,
+      insertText: 'i32.or'
+    },
+    {
+      label: 'i32.xor',
+      documentation: 'sign-agnostic bitwise exclusive or',
+      kind: keyword,
+      insertText: 'i32.xor'
+    },
+    {
+      label: 'i32.shl',
+      documentation: 'sign-agnostic shift left',
+      kind: keyword,
+      insertText: 'i32.shl'
+    },
+    {
+      label: 'i32.shr_u',
+      documentation: 'zero-replicating (logical) shift right',
+      kind: keyword,
+      insertText: 'i32.shr_u'
+    },
+    {
+      label: 'i32.shr_s',
+      documentation: 'sign-replicating (arithmetic) shift right',
+      kind: keyword,
+      insertText: 'i32.shr_s'
+    },
+    {
+      label: 'i32.rotl',
+      documentation: 'sign-agnostic rotate left',
+      kind: keyword,
+      insertText: 'i32.rotl'
+    },
+    {
+      label: 'i32.rotr',
+      documentation: 'sign-agnostic rotate right',
+      kind: keyword,
+      insertText: 'i32.rotr'
+    },
+    {
+      label: 'i32.eq',
+      documentation: 'sign-agnostic compare equal',
+      kind: keyword,
+      insertText: 'i32.eq'
+    },
+    {
+      label: 'i32.ne',
+      documentation: 'sign-agnostic compare unequal',
+      kind: keyword,
+      insertText: 'i32.ne'
+    },
+    {
+      label: 'i32.lt_s',
+      documentation: 'signed less than',
+      kind: keyword,
+      insertText: 'i32.lt_s'
+    },
+    {
+      label: 'i32.le_s',
+      documentation: 'signed less than or equal',
+      kind: keyword,
+      insertText: 'i32.le_s'
+    },
+    {
+      label: 'i32.lt_u',
+      documentation: 'unsigned less than',
+      kind: keyword,
+      insertText: 'i32.lt_u'
+    },
+    {
+      label: 'i32.le_u',
+      documentation: 'unsigned less than or equal',
+      kind: keyword,
+      insertText: 'i32.le_u'
+    },
+    {
+      label: 'i32.gt_s',
+      documentation: 'signed greater than',
+      kind: keyword,
+      insertText: 'i32.gt_s'
+    },
+    {
+      label: 'i32.ge_s',
+      documentation: 'signed greater than or equal',
+      kind: keyword,
+      insertText: 'i32.ge_s'
+    },
+    {
+      label: 'i32.gt_u',
+      documentation: 'unsigned greater than',
+      kind: keyword,
+      insertText: 'i32.gt_u'
+    },
+    {
+      label: 'i32.ge_u',
+      documentation: 'unsigned greater than or equal',
+      kind: keyword,
+      insertText: 'i32.ge_u'
+    },
+    {
+      label: 'i32.clz',
+      documentation:
+        'sign-agnostic count leading zero bits (All zero bits are considered leading if the value is zero)',
+      kind: keyword,
+      insertText: 'i32.clz'
+    },
+    {
+      label: 'i32.ctz',
+      documentation:
+        'sign-agnostic count trailing zero bits (All zero bits are considered trailing if the value is zero)',
+      kind: keyword,
+      insertText: 'i32.ctz'
+    },
+    {
+      label: 'i32.popcnt',
+      documentation: 'sign-agnostic count number of one bits',
+      kind: keyword,
+      insertText: 'i32.popcnt'
+    },
+    {
+      label: 'i32.eqz',
+      documentation:
+        'compare equal to zero (return 1 if operand is zero, 0 otherwise)',
+      kind: keyword,
+      insertText: 'i32.eqz'
+    },
+
+    {
+      label: 'f32.add',
+      documentation: 'addition',
+      kind: keyword,
+      insertText: 'f32.add'
+    },
+    {
+      label: 'f32.sub',
+      documentation: 'subtraction',
+      kind: keyword,
+      insertText: 'f32.sub'
+    },
+    {
+      label: 'f32.mul',
+      documentation: 'multiplication',
+      kind: keyword,
+      insertText: 'f32.mul'
+    },
+    {
+      label: 'f32.div',
+      documentation: 'division',
+      kind: keyword,
+      insertText: 'f32.div'
+    },
+    {
+      label: 'f32.abs',
+      documentation: 'absolute value',
+      kind: keyword,
+      insertText: 'f32.abs'
+    },
+    {
+      label: 'f32.neg',
+      documentation: 'negation',
+      kind: keyword,
+      insertText: 'f32.neg'
+    },
+    {
+      label: 'f32.copysign',
+      documentation: 'copysign',
+      kind: keyword,
+      insertText: 'f32.copysign'
+    },
+    {
+      label: 'f32.ceil',
+      documentation: 'ceiling operator',
+      kind: keyword,
+      insertText: 'f32.ceil'
+    },
+    {
+      label: 'f32.floor',
+      documentation: 'floor operator',
+      kind: keyword,
+      insertText: 'f32.floor'
+    },
+    {
+      label: 'f32.trunc',
+      documentation: 'round to nearest integer towards zero',
+      kind: keyword,
+      insertText: 'f32.trunc'
+    },
+    {
+      label: 'f32.nearest',
+      documentation: 'round to nearest integer, ties to even',
+      kind: keyword,
+      insertText: 'f32.nearest'
+    },
+    {
+      label: 'f32.eq',
+      documentation: 'compare ordered and equal',
+      kind: keyword,
+      insertText: 'f32.eq'
+    },
+    {
+      label: 'f32.ne',
+      documentation: 'compare unordered or unequal',
+      kind: keyword,
+      insertText: 'f32.ne'
+    },
+    {
+      label: 'f32.lt',
+      documentation: 'compare ordered and less than',
+      kind: keyword,
+      insertText: 'f32.lt'
+    },
+    {
+      label: 'f32.le',
+      documentation: 'compare ordered and less than or equal',
+      kind: keyword,
+      insertText: 'f32.le'
+    },
+    {
+      label: 'f32.gt',
+      documentation: 'compare ordered and greater than',
+      kind: keyword,
+      insertText: 'f32.gt'
+    },
+    {
+      label: 'f32.ge',
+      documentation: 'compare ordered and greater than or equal',
+      kind: keyword,
+      insertText: 'f32.ge'
+    },
+    {
+      label: 'f32.sqrt',
+      documentation: 'square root',
+      kind: keyword,
+      insertText: 'f32.sqrt'
+    },
+    {
+      label: 'f32.min',
+      documentation:
+        'minimum (binary operator); if either operand is NaN, returns NaN',
+      kind: keyword,
+      insertText: 'f32.min'
+    },
+    {
+      label: 'f32.max',
+      documentation:
+        'maximum (binary operator); if either operand is NaN, returns NaN',
+      kind: keyword,
+      insertText: 'f32.max'
+    },
+
+    {
+      label: 'f64.add',
+      documentation: 'addition',
+      kind: keyword,
+      insertText: 'f64.add'
+    },
+    {
+      label: 'f64.sub',
+      documentation: 'subtraction',
+      kind: keyword,
+      insertText: 'f64.sub'
+    },
+    {
+      label: 'f64.mul',
+      documentation: 'multiplication',
+      kind: keyword,
+      insertText: 'f64.mul'
+    },
+    {
+      label: 'f64.div',
+      documentation: 'division',
+      kind: keyword,
+      insertText: 'f64.div'
+    },
+    {
+      label: 'f64.abs',
+      documentation: 'absolute value',
+      kind: keyword,
+      insertText: 'f64.abs'
+    },
+    {
+      label: 'f64.neg',
+      documentation: 'negation',
+      kind: keyword,
+      insertText: 'f64.neg'
+    },
+    {
+      label: 'f64.copysign',
+      documentation: 'copysign',
+      kind: keyword,
+      insertText: 'f64.copysign'
+    },
+    {
+      label: 'f64.ceil',
+      documentation: 'ceiling operator',
+      kind: keyword,
+      insertText: 'f64.ceil'
+    },
+    {
+      label: 'f64.floor',
+      documentation: 'floor operator',
+      kind: keyword,
+      insertText: 'f64.floor'
+    },
+    {
+      label: 'f64.trunc',
+      documentation: 'round to nearest integer towards zero',
+      kind: keyword,
+      insertText: 'f64.trunc'
+    },
+    {
+      label: 'f64.nearest',
+      documentation: 'round to nearest integer, ties to even',
+      kind: keyword,
+      insertText: 'f64.nearest'
+    },
+    {
+      label: 'f64.eq',
+      documentation: 'compare ordered and equal',
+      kind: keyword,
+      insertText: 'f64.eq'
+    },
+    {
+      label: 'f64.ne',
+      documentation: 'compare unordered or unequal',
+      kind: keyword,
+      insertText: 'f64.ne'
+    },
+    {
+      label: 'f64.lt',
+      documentation: 'compare ordered and less than',
+      kind: keyword,
+      insertText: 'f64.lt'
+    },
+    {
+      label: 'f64.le',
+      documentation: 'compare ordered and less than or equal',
+      kind: keyword,
+      insertText: 'f64.le'
+    },
+    {
+      label: 'f64.gt',
+      documentation: 'compare ordered and greater than',
+      kind: keyword,
+      insertText: 'f64.gt'
+    },
+    {
+      label: 'f64.ge',
+      documentation: 'compare ordered and greater than or equal',
+      kind: keyword,
+      insertText: 'f64.ge'
+    },
+    {
+      label: 'f64.sqrt',
+      documentation: 'square root',
+      kind: keyword,
+      insertText: 'f64.sqrt'
+    },
+    {
+      label: 'f64.min',
+      documentation:
+        'minimum (binary operator); if either operand is NaN, returns NaN',
+      kind: keyword,
+      insertText: 'f64.min'
+    },
+    {
+      label: 'f64.max',
+      documentation:
+        'maximum (binary operator); if either operand is NaN, returns NaN',
+      kind: keyword,
+      insertText: 'f64.max'
+    },
+
+    {
+      label: 'i32.wrap/i64',
+      documentation: 'wrap a 64-bit integer to a 32-bit integer',
+      kind: keyword,
+      insertText: 'i32.wrap/i64'
+    },
+    {
+      label: 'i32.trunc_s/f32',
+      documentation: 'truncate a 32-bit float to a signed 32-bit integer',
+      kind: keyword,
+      insertText: 'i32.trunc_s/f32'
+    },
+    {
+      label: 'i32.trunc_s/f64',
+      documentation: 'truncate a 64-bit float to a signed 32-bit integer',
+      kind: keyword,
+      insertText: 'i32.trunc_s/f64'
+    },
+    {
+      label: 'i32.trunc_u/f32',
+      documentation: 'truncate a 32-bit float to an unsigned 32-bit integer',
+      kind: keyword,
+      insertText: 'i32.trunc_u/f32'
+    },
+    {
+      label: 'i32.trunc_u/f64',
+      documentation: 'truncate a 64-bit float to an unsigned 32-bit integer',
+      kind: keyword,
+      insertText: 'i32.trunc_u/f64'
+    },
+    {
+      label: 'i32.reinterpret/f32',
+      documentation:
+        'reinterpret the bits of a 32-bit float as a 32-bit integer',
+      kind: keyword,
+      insertText: 'i32.reinterpret/f32'
+    },
+    {
+      label: 'i64.extend_s/i32',
+      documentation: 'extend a signed 32-bit integer to a 64-bit integer',
+      kind: keyword,
+      insertText: 'i64.extend_s/i32'
+    },
+    {
+      label: 'i64.extend_u/i32',
+      documentation: 'extend an unsigned 32-bit integer to a 64-bit integer',
+      kind: keyword,
+      insertText: 'i64.extend_u/i32'
+    },
+    {
+      label: 'i64.trunc_s/f32',
+      documentation: 'truncate a 32-bit float to a signed 64-bit integer',
+      kind: keyword,
+      insertText: 'i64.trunc_s/f32'
+    },
+    {
+      label: 'i64.trunc_s/f64',
+      documentation: 'truncate a 64-bit float to a signed 64-bit integer',
+      kind: keyword,
+      insertText: 'i64.trunc_s/f64'
+    },
+    {
+      label: 'i64.trunc_u/f32',
+      documentation: 'truncate a 32-bit float to an unsigned 64-bit integer',
+      kind: keyword,
+      insertText: 'i64.trunc_u/f32'
+    },
+    {
+      label: 'i64.trunc_u/f64',
+      documentation: 'truncate a 64-bit float to an unsigned 64-bit integer',
+      kind: keyword,
+      insertText: 'i64.trunc_u/f64'
+    },
+    {
+      label: 'i64.reinterpret/f64',
+      documentation:
+        'reinterpret the bits of a 64-bit float as a 64-bit integer',
+      kind: keyword,
+      insertText: 'i64.reinterpret/f64'
+    },
+    {
+      label: 'f32.demote/f64',
+      documentation: 'demote a 64-bit float to a 32-bit float',
+      kind: keyword,
+      insertText: 'f32.demote/f64'
+    },
+    {
+      label: 'f32.convert_s/i32',
+      documentation: 'convert a signed 32-bit integer to a 32-bit float',
+      kind: keyword,
+      insertText: 'f32.convert_s/i32'
+    },
+    {
+      label: 'f32.convert_s/i64',
+      documentation: 'convert a signed 64-bit integer to a 32-bit float',
+      kind: keyword,
+      insertText: 'f32.convert_s/i64'
+    },
+    {
+      label: 'f32.convert_u/i32',
+      documentation: 'convert an unsigned 32-bit integer to a 32-bit float',
+      kind: keyword,
+      insertText: 'f32.convert_u/i32'
+    },
+    {
+      label: 'f32.convert_u/i64',
+      documentation: 'convert an unsigned 64-bit integer to a 32-bit float',
+      kind: keyword,
+      insertText: 'f32.convert_u/i64'
+    },
+    {
+      label: 'f32.reinterpret/i32',
+      documentation:
+        'reinterpret the bits of a 32-bit integer as a 32-bit float',
+      kind: keyword,
+      insertText: 'f32.reinterpret/i32'
+    },
+    {
+      label: 'f64.promote/f32',
+      documentation: 'promote a 32-bit float to a 64-bit float',
+      kind: keyword,
+      insertText: 'f64.promote/f32'
+    },
+    {
+      label: 'f64.convert_s/i32',
+      documentation: 'convert a signed 32-bit integer to a 64-bit float',
+      kind: keyword,
+      insertText: 'f64.convert_s/i32'
+    },
+    {
+      label: 'f64.convert_s/i64',
+      documentation: 'convert a signed 64-bit integer to a 64-bit float',
+      kind: keyword,
+      insertText: 'f64.convert_s/i64'
+    },
+    {
+      label: 'f64.convert_u/i32',
+      documentation: 'convert an unsigned 32-bit integer to a 64-bit float',
+      kind: keyword,
+      insertText: 'f64.convert_u/i32'
+    },
+    {
+      label: 'f64.convert_u/i64',
+      documentation: 'convert an unsigned 64-bit integer to a 64-bit float',
+      kind: keyword,
+      insertText: 'f64.convert_u/i64'
+    },
+    {
+      label: 'f64.reinterpret/i64',
+      documentation:
+        'reinterpret the bits of a 64-bit integer as a 64-bit float',
+      kind: keyword,
+      insertText: 'f64.reinterpret/i64'
+    },
+
+    {
+      label: 'current_memory',
+      documentation: 'current memory size in 64k pages',
+      kind: keyword,
+      insertText: 'current_memory'
+    },
+    {
+      label: 'grow_memory',
+      documentation: 'grow memory size by the specified amount of 64k pages',
+      kind: keyword,
+      insertText: 'grow_memory'
+    }
+  ]);
+}
+
+const LanguageConfiguration: IRichLanguageConfiguration = {
+  // the default separators except `@$`
+  wordPattern: /(-?\d*\.\d\w*)|([^\`\~\!\#\%\^\&\*\(\)\-\=\+\[\{\]\}\\\|\;\:\'\'\,\.\<\>\/\?\s]+)/g,
+  comments: {
+    lineComment: ';;'
+  },
+  brackets: [
+    ['{', '}'],
+    ['[', ']'],
+    ['(', ')']
+  ],
+  autoClosingPairs: [
+    { open: '{', close: '}' },
+    { open: '[', close: ']' },
+    { open: '(', close: ')' },
+    { open: "'", close: "'" },
+    { open: "'", close: "'" }
+  ],
+  surroundingPairs: [
+    { open: '{', close: '}' },
+    { open: '[', close: ']' },
+    { open: '(', close: ')' },
+    { open: "'", close: "'" },
+    { open: "'", close: "'" },
+    { open: '<', close: '>' }
+  ]
+};
+
+const MonarchDefinitions = {
+  // Set defaultToken to invalid to see what you do not tokenize yet
+  // defaultToken: 'invalid',
+
+  keywords: [
+    'module',
+    'table',
+    'memory',
+    'export',
+    'import',
+    'func',
+    'result',
+    'offset',
+    'anyfunc',
+    'type',
+    'data',
+    'start',
+    'element',
+    'global',
+    'local',
+    'mut',
+    'param',
+    'result',
+
+    'i32.load8_s',
+    'i32.load8_u',
+    'i32.load16_s',
+    'i32.load16_u',
+    'i32.load',
+    'i64.load8_s',
+    'i64.load8_u',
+    'i64.load16_s',
+    'i64.load16_u',
+    'i64.load32_s',
+    'i64.load32_u',
+    'i64.load',
+    'f32.load',
+    'f64.load',
+
+    'i32.store8',
+    'i32.store16',
+    'i32.store',
+    'i64.store8',
+    'i64.store16',
+    'i64.store32',
+    'i64.store',
+    'f32.store',
+    'f64.store',
+
+    'i32.const',
+    'i64.const',
+    'f32.const',
+    'f64.const',
+
+    'i32.add',
+    'i32.sub',
+    'i32.mul',
+    'i32.div_s',
+    'i32.div_u',
+    'i32.rem_s',
+    'i32.rem_u',
+    'i32.and',
+    'i32.or',
+    'i32.xor',
+    'i32.shl',
+    'i32.shr_u',
+    'i32.shr_s',
+    'i32.rotl',
+    'i32.rotr',
+    'i32.eq',
+    'i32.ne',
+    'i32.lt_s',
+    'i32.le_s',
+    'i32.lt_u',
+    'i32.le_u',
+    'i32.gt_s',
+    'i32.ge_s',
+    'i32.gt_u',
+    'i32.ge_u',
+    'i32.clz',
+    'i32.ctz',
+    'i32.popcnt',
+    'i32.eqz',
+
+    'f32.add',
+    'f32.sub',
+    'f32.mul',
+    'f32.div',
+    'f32.abs',
+    'f32.neg',
+    'f32.copysign',
+    'f32.ceil',
+    'f32.floor',
+    'f32.trunc',
+    'f32.nearest',
+    'f32.eq',
+    'f32.ne',
+    'f32.lt',
+    'f32.le',
+    'f32.gt',
+    'f32.ge',
+    'f32.sqrt',
+    'f32.min',
+    'f32.max',
+
+    'f64.add',
+    'f64.sub',
+    'f64.mul',
+    'f64.div',
+    'f64.abs',
+    'f64.neg',
+    'f64.copysign',
+    'f64.ceil',
+    'f64.floor',
+    'f64.trunc',
+    'f64.nearest',
+    'f64.eq',
+    'f64.ne',
+    'f64.lt',
+    'f64.le',
+    'f64.gt',
+    'f64.ge',
+    'f64.sqrt',
+    'f64.min',
+    'f64.max',
+
+    'i32.wrap/i64',
+    'i32.trunc_s/f32',
+    'i32.trunc_s/f64',
+    'i32.trunc_u/f32',
+    'i32.trunc_u/f64',
+    'i32.reinterpret/f32',
+    'i64.extend_s/i32',
+    'i64.extend_u/i32',
+    'i64.trunc_s/f32',
+    'i64.trunc_s/f64',
+    'i64.trunc_u/f32',
+    'i64.trunc_u/f64',
+    'i64.reinterpret/f64',
+    'f32.demote/f64',
+    'f32.convert_s/i32',
+    'f32.convert_s/i64',
+    'f32.convert_u/i32',
+    'f32.convert_u/i64',
+    'f32.reinterpret/i32',
+    'f64.promote/f32',
+    'f64.convert_s/i32',
+    'f64.convert_s/i64',
+    'f64.convert_u/i32',
+    'f64.convert_u/i64',
+    'f64.reinterpret/i64',
+
+    'local.get',
+    'local.set',
+    'local.tee',
+    'global.get',
+    'global.set',
+    'global.tee',
+    'get_local',
+    'set_local',
+    'tee_local',
+    'get_global',
+    'set_global',
+
+    'current_memory',
+    'grow_memory'
+  ],
+
+  typeKeywords: ['i32', 'i64', 'f32', 'f64', 'anyfunc'],
+
+  operators: [] as any,
+
+  brackets: [
+    ['(', ')', 'bracket.parenthesis'],
+    ['{', '}', 'bracket.curly'],
+    ['[', ']', 'bracket.square']
+  ],
+
+  // we include these common regular expressions
+  symbols: /[=><!~?:&|+\-*\/\^%]+/,
+
+  // C# style strings
+  escapes: /\\(?:[abfnrtv\\'']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
+
+  // The main tokenizer for our languages
+  tokenizer: {
+    root: [
+      // identifiers and keywords
+      [
+        /[a-z_$][\w$\.]*/,
+        {
+          cases: {
+            '@keywords': 'keyword',
+            '@typeKeywords': 'type',
+            '@default': 'type.identifier'
+          }
+        }
+      ],
+
+      // numbers
+      [/\d+/, 'number'],
+
+      // strings
+      [/'/, { token: 'string.quote', bracket: '@open', next: '@string' }],
+
+      [/[{}()\[\]]/, '@brackets']
+    ] as any,
+
+    comment: [
+      [/[^\/*]+/, 'comment'],
+      [/\/\*/, 'comment', '@push'], // nested comment
+      ['\\*/', 'comment', '@pop'],
+      [/[\/*]/, 'comment'],
+      [/;;/, 'comment']
+    ],
+
+    string: [
+      [/[^\\']+/, 'string'],
+      [/@escapes/, 'string.escape'],
+      [/\\./, 'string.escape.invalid'],
+      [/'/, { token: 'string.quote', bracket: '@close', next: '@pop' }]
+    ],
+
+    whitespace: [
+      [/[ \t\r\n]+/, 'white'],
+      [/\/\*/, 'comment', '@comment'],
+      [/\/\/.*$/, 'comment'],
+      [/;;/, 'comment']
+    ]
+  }
+};
+
+export function watWordAt(s: string, i: number) {
+  const l = s.slice(0, i + 1).search(/[A-Za-z0-9_\.\/]+$/);
+  const r = s.slice(i).search(/[^A-Za-z0-9_\.\/]/);
+  if (r < 0) {
+    return { index: l, word: s.slice(l) };
+  }
+  return { index: l, word: s.slice(l, r + i) };
+}
+
+export const Wat = {
+  MonarchDefinitions,
+  LanguageConfiguration,
+  CompletionItemProvider: {
+    provideCompletionItems: function(model: IModel, position: IPosition) {
+      return getWatCompletionItems();
+    }
+  },
+  HoverProvider: {
+    provideHover: function(model: IModel, position: IPosition) {
+      const lineContent = model.getLineContent(position.lineNumber);
+      const { index, word } = watWordAt(lineContent, position.column - 1);
+      if (!word) {
+        return;
+      }
+      const watCompletionItems = getWatCompletionItems() as any;
+      const predicate = x => x.label === word;
+      const item = watCompletionItems.find(predicate);
+      if (!item) {
+        return;
+      }
+      return {
+        range: new monaco.Range(
+          position.lineNumber,
+          index + 1,
+          position.lineNumber,
+          index + 1 + word.length
+        ),
+        contents: [
+          '**DETAILS**',
+          { language: 'html', value: item.documentation }
+        ]
+      };
+    }
+  }
+};
+
+monaco.languages.onLanguage('wat', () => {
+  monaco.languages.setMonarchTokensProvider(
+    'wat',
+    Wat.MonarchDefinitions as any
+  );
+  monaco.languages.setLanguageConfiguration('wat', Wat.LanguageConfiguration);
+  monaco.languages.registerCompletionItemProvider(
+    'wat',
+    Wat.CompletionItemProvider
+  );
+  monaco.languages.registerHoverProvider('wat', Wat.HoverProvider as any);
+});
+monaco.languages.register({
+  id: 'wat'
+});
+
+monaco.languages.registerCompletionItemProvider(
+  'wat',
+  {
+    provideCompletionItems: function() {
+      return {
+        suggestions: [
+          {
+            label: 'const',
+            kind: monaco.languages.CompletionItemKind.Function,
+            documentation: 'i32',
+            insertText: 'i32.const ${1:value}',
+            insertTextRules: CompletionItemInsertTextRule.InsertAsSnippet
+          },
+          {
+            label: 'function',
+            kind: monaco.languages.CompletionItemKind.Keyword,
+            documentation: 'i32',
+            insertText: '(func $${1:name} ${2:params} (result i32)\n  ${3}\n)',
+            insertTextRules: CompletionItemInsertTextRule.InsertAsSnippet
+          },
+          {
+            label: 'add',
+            kind: monaco.languages.CompletionItemKind.Keyword,
+            documentation: 'i32',
+            insertText: 'i32.add',
+            insertTextRules: CompletionItemInsertTextRule.InsertAsSnippet
+          },
+          {
+            label: 'param',
+            kind: monaco.languages.CompletionItemKind.Keyword,
+            documentation: 'i32',
+            insertText: '(param $${1:name} i32) ',
+            insertTextRules: CompletionItemInsertTextRule.InsertAsSnippet
+          },
+          {
+            label: 'local.get',
+            kind: monaco.languages.CompletionItemKind.Keyword,
+            documentation: 'i32',
+            insertText: 'local.get $${1:name}',
+            insertTextRules: CompletionItemInsertTextRule.InsertAsSnippet
+          },
+          {
+            label: 'global.get',
+            kind: monaco.languages.CompletionItemKind.Keyword,
+            documentation: 'i32',
+            insertText: 'global.get $${1:name}',
+            insertTextRules: CompletionItemInsertTextRule.InsertAsSnippet
+          }
+        ]
+      };
+    }
+  },
+  '('
+);
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/30-2.png b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/30-2.png
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/JohnvonNeumann.gif b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/JohnvonNeumann.gif
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index 000000000..9c0f1cfd8
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/feynman.png b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/feynman.png
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/joking.jpg b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/joking.jpg
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/kirjs.png b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/kirjs.png
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/milica.jpg b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/milica.jpg
new file mode 100644
index 000000000..ab180a8e6
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/nks.jpg b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/nks.jpg
new file mode 100644
index 000000000..e7c9bf837
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/wolfram.jpg b/codelab-master/apps/kirjs/src/app/modules/webassembly/pics/wolfram.jpg
new file mode 100644
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diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/answer.wat b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/answer.wat
new file mode 100644
index 000000000..b05bab8a6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/answer.wat
@@ -0,0 +1,190 @@
+(module
+  (import "config" "rowSize" (global $rowSize i32))
+  (memory 1)
+  (export "memory" (memory 0))
+
+  (table 8 anyfunc)
+
+  (func $enable (result i32)
+    (i32.const 1)
+  )
+
+  (func $disable (result i32)
+    (i32.const 0)
+  )
+
+  (elem (i32.const 0)
+    $enable ;; 000
+    $enable ;; 001
+    $enable ;; 010
+    $enable ;; 011
+    $enable ;; 100
+    $enable ;; 101
+    $enable ;; 110
+    $enable ;; 111
+  )
+
+  (type $return_i32 (func (result i32)))
+
+
+  (global $step (export "step") (mut i32) (i32.const 1))
+
+
+
+
+  (func $rotate (param $x i32) (result i32)
+    local.get $x
+    global.get $rowSize
+    i32.add
+
+    global.get $rowSize
+
+    i32.rem_s
+  )
+
+  (func $getIndex (param $x i32) (param $y i32) (result i32)
+      local.get $x
+
+      local.get $y
+      global.get $rowSize
+      i32.mul
+
+      i32.add
+  )
+
+  (func $loadCell (param $x i32) (param $y i32) (result i32)
+        (local.get $x)
+        call $rotate
+
+        (local.get $y)
+
+        call $getIndex
+        i32.const 4
+        i32.mul
+
+        i32.load
+    )
+
+  (func $storeCell (param $x i32) (param $value i32)
+         local.get $x
+         global.get $step
+         call $getIndex
+
+         i32.const 4
+         i32.mul
+
+         local.get $value
+
+         i32.store
+  )
+
+
+
+  (func $shift (param $a i32) (param $b i32) (param $c i32)  (result i32)
+    local.get $a
+    (i32.const 4)
+    i32.mul
+
+    local.get $b
+    (i32.const 2)
+    i32.mul
+
+    local.get $c
+
+    i32.add
+    i32.add
+  )
+
+
+
+  (func $loadPreviousCell (param $x i32) (result i32)
+    local.get $x
+
+    global.get $step
+    (i32.const 1)
+    i32.sub
+
+    call $loadCell
+  )
+
+
+
+  (func $getCellScore (param $x i32)  (result i32)
+    local.get $x
+    i32.const 1
+    i32.sub
+    call $loadPreviousCell
+
+    local.get $x
+    call $loadPreviousCell
+
+    local.get $x
+    i32.const 1
+    i32.add
+    call $loadPreviousCell
+
+    call $shift
+  )
+
+
+
+  (func $evolveCell (param $x i32)
+    local.get $x
+
+
+    local.get $x
+    call $getCellScore
+    call_indirect (type $return_i32)
+
+    call $storeCell
+  )
+
+
+
+  (func $evolveRow (local $i i32)
+    block
+    loop
+      local.get $i
+      call $evolveCell
+
+      local.get $i
+      (i32.const 1)
+      i32.add
+      local.tee $i
+
+      global.get $rowSize
+      i32.eq
+
+      br_if 1
+      br 0
+    end
+    end
+  )
+
+
+
+  (func $evolve (export "evolve") (param $steps i32) (local $i i32)
+   block
+    loop
+      call $evolveRow
+      global.get $step
+      i32.const 1
+      i32.add
+      global.set $step
+
+      local.get $i
+      (i32.const 1)
+      i32.add
+      tee_local $i
+
+
+      local.get $steps
+      i32.eq
+
+      br_if 1
+      br 0
+    end
+    end
+
+  )
+)
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/base.js b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/base.js
new file mode 100644
index 000000000..18d2f0d45
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/base.js
@@ -0,0 +1,31 @@
+const size = 80;
+
+const config = {
+  rowSize: 5,
+  steps: 100,
+  log: console.log
+};
+
+function drawOnCanvas(canvas, arr) {
+  const context = canvas.getContext('2d');
+
+  for (let i = 0; i < arr.length; i++) {
+    const x = i % config.rowSize;
+    const y = Math.floor(i / config.rowSize);
+
+    context.fillStyle = arr[i] ? 'lime' : '#444';
+
+    context.fillRect(x * size, y * size, size - 1, size - 1);
+  }
+}
+
+async function run(code, canvas) {
+  const result = await WebAssembly.instantiate(code, { config });
+
+  let memory = new Uint32Array(result.instance.exports.memory.buffer);
+  memory[Math.round(config.rowSize / 2)] = 1;
+
+  const r = result.instance.exports.evolve(config.steps);
+  drawOnCanvas(canvas, memory);
+  return r;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/base.wat b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/base.wat
new file mode 100644
index 000000000..7cc2e296c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/base.wat
@@ -0,0 +1,3 @@
+(module
+
+)
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/old.wat b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/old.wat
new file mode 100644
index 000000000..90da30a3f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/samples/old.wat
@@ -0,0 +1,153 @@
+ (module
+ (import "config" "rowSize" (global $rowSize i32))
+ (import "config" "log" (func $log (param i32)))
+ (type $return_i32 (func (result i32)))
+ (memory 1)
+ (export "memory" (memory 0))
+
+ (table 8 funcref)
+ (elem (i32.const 0)
+    $remove ;; 000
+    $remove ;; 001
+    $create ;; 010
+    $create ;; 011
+    $create ;; 100
+    $create ;; 101
+    $remove ;; 110
+    $remove ;; 111
+ )
+
+  (func $create (result i32)
+    i32.const 1)
+  (func $remove (result i32)
+    i32.const 0)
+
+  (global $step (export "step") (mut i32) (i32.const 1))
+
+  (func $getIndex (param $x i32) (param $y i32) (result i32)
+    (i32.mul
+        (i32.const 4)
+        (i32.add
+            (local.get $x)
+            (i32.mul
+                (local.get $y)
+                (global.get $rowSize))))
+  )
+
+  (func $getCurrentIndex (param $x i32) (result i32)
+    (call $getIndex (local.get $x) (global.get $step))
+  )
+
+ (func $getPreviousIndex (param $x i32) (result i32)
+    (call $getIndex
+        (local.get $x)
+        (i32.sub
+            (global.get $step)
+            (i32.const 1)))
+  )
+
+  (func $rotate (param $x i32) (result i32)
+    (i32.rem_s
+        (i32.add
+            (global.get $rowSize)
+            (local.get $x))
+        (global.get $rowSize)
+    )
+  )
+
+  (func $shift (param $a i32) (param $b i32) (param $c i32) (result i32)
+       (local.get $c)
+
+       (local.get $b)
+       (i32.const 1)
+       i32.shl
+       i32.add
+
+       (local.get $a)
+       (i32.const 2)
+       i32.shl
+       i32.add
+  )
+
+  (func $calcNextState (param $x i32) (result i32)
+    local.get $x
+    call $getCellScore
+    call_indirect (type $return_i32)
+  )
+
+  (func $getCellScore (param $x i32) (result i32) (local $a i32)
+    local.get $x
+    i32.const 1
+    i32.sub
+    call $rotate
+    call $getPreviousIndex
+    i32.load
+
+
+    local.get $x
+    call $rotate
+    call $getPreviousIndex
+    i32.load
+
+    local.get $x
+    i32.const 1
+    i32.add
+    call $rotate
+    call $getPreviousIndex
+    i32.load
+
+    call $shift
+  )
+
+
+
+  (func $evolve (param $steps i32) (local $index i32)
+    block
+    loop
+          (call $evolveSingle)
+
+          ;; $index++
+          local.get $index
+          i32.const 1
+          i32.add
+          local.tee $index
+
+          (br_if 1 (i32.eq (local.get $steps) (local.get $index)))
+          drop
+          br 0
+        end
+      end
+  )
+
+  (func $evolveSingle (result i32) (local $index i32)
+      block
+        loop
+          ;; color up the cell
+          local.get $index
+          call $getCurrentIndex
+          local.get $index
+          call $calcNextState
+
+          i32.store
+
+          ;; $index++
+          local.get $index
+          i32.const 1
+          i32.add
+          local.tee $index
+
+          (br_if 1 (i32.eq (global.get $rowSize) (local.get $index)))
+          drop
+          br 0
+        end
+      end
+
+      global.get $step
+      i32.const 1
+      i32.add
+      global.set $step
+
+      local.get $index
+    )
+  (export "evolve" (func $evolve))
+)
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/add-tests.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/add-tests.ts
new file mode 100644
index 000000000..697025f7a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/add-tests.ts
@@ -0,0 +1,18 @@
+export const addTests = [
+  {
+    args: [0, 0],
+    output: 0
+  },
+  {
+    args: [1, 0],
+    output: 1
+  },
+  {
+    args: [1, 1],
+    output: 2
+  },
+  {
+    args: [17, 25],
+    output: 42
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/common.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/common.ts
new file mode 100644
index 000000000..77cb562ec
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/common.ts
@@ -0,0 +1,31 @@
+export const red = '#ff3f00';
+export const defaultRowSize = 5;
+
+export function colorMatchesExpected(a, i, c, test) {
+  return test.actualMemory[i] === test.expectedMemory[i] ? '#ddd' : red;
+}
+
+export function outputCoordinates(config) {
+  return [
+    {
+      y: -1,
+      x: config.args[0],
+      color: 'yellow',
+      text: config.args[0]
+    },
+
+    {
+      x: -1,
+      y: config.args[1],
+      color: 'yellow',
+      text: config.args[1]
+    },
+
+    {
+      x: config.args[0],
+      y: config.args[1],
+      color: 'lime',
+      text: config.output
+    }
+  ];
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/disable-tests.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/disable-tests.ts
new file mode 100644
index 000000000..d697e895e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/disable-tests.ts
@@ -0,0 +1,6 @@
+export const disableTests = [
+  {
+    args: [],
+    output: 0
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/enable-tests.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/enable-tests.ts
new file mode 100644
index 000000000..6e5c29189
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/enable-tests.ts
@@ -0,0 +1,6 @@
+export const enableTests = [
+  {
+    args: [],
+    output: 1
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve-cell.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve-cell.ts
new file mode 100644
index 000000000..b570243ed
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve-cell.ts
@@ -0,0 +1,68 @@
+import { colorMatchesExpected } from './common';
+
+const rowSize = 3;
+
+const viz = {
+  type: 'evolve',
+  rowSize,
+  text: a => a,
+  memory: test => test.actualMemory,
+  color: colorMatchesExpected
+};
+
+export const evolveCellTests = [
+  {
+    args: [0],
+    memory: [0, 0, 0, 0, 0, 0],
+    table: [
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable'
+    ],
+    expectedMemory: [0, 0, 0, 1, 0, 0],
+    imports: { config: { step: 1, rowSize: 3 } },
+    viz: {
+      ...viz,
+      rule: 0
+    }
+  },
+  {
+    args: [2],
+    memory: [0, 0, 0, 0, 0, 0],
+    table: [
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable'
+    ],
+    expectedMemory: [0, 0, 0, 0, 0, 1],
+    imports: { config: { step: 1, rowSize: 3 } },
+    viz
+  },
+  {
+    args: [2],
+    memory: [1, 1, 1, 1, 1, 1],
+    table: [
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable'
+    ],
+    expectedMemory: [1, 1, 1, 1, 1, 0],
+    imports: { config: { step: 1, rowSize: 3 } },
+    viz
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve-row.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve-row.ts
new file mode 100644
index 000000000..48ad5850f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve-row.ts
@@ -0,0 +1,48 @@
+import { colorMatchesExpected } from './common';
+
+const rowSize = 3;
+
+const viz = {
+  type: 'evolve',
+  rowSize,
+  text: a => a,
+  memory: test => test.actualMemory,
+  color: colorMatchesExpected
+};
+
+export const evolveRowTests = [
+  {
+    args: [],
+    memory: [0, 0, 0, 0, 0, 0],
+    table: [
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable'
+    ],
+    expectedMemory: [0, 0, 0, 1, 1, 1],
+    imports: { config: { step: 1, rowSize: 3 } },
+    viz
+  },
+  {
+    args: [2],
+    memory: [1, 1, 1, 1, 1, 1],
+    table: [
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable',
+      'disable'
+    ],
+    expectedMemory: [1, 1, 1, 0, 0, 0],
+    imports: { config: { step: 1, rowSize: 3 } },
+    viz
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve.ts
new file mode 100644
index 000000000..dfccb109d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/evolve.ts
@@ -0,0 +1,29 @@
+import { colorMatchesExpected, defaultRowSize } from './common';
+
+const viz = {
+  type: 'evolve',
+  rowSize: defaultRowSize,
+  text: a => a,
+  memory: test => test.actualMemory,
+  color: colorMatchesExpected
+};
+
+export const evolveTests = [
+  {
+    args: [1],
+    memory: [0, 0, 0, 1, 0],
+    table: [
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable',
+      'enable'
+    ],
+    expectedMemory: [0, 0, 0, 1, 0, 1, 1, 1, 1, 1],
+    imports: { config: { step: 1, rowSize: defaultRowSize } },
+    viz
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/get-cell-score.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/get-cell-score.ts
new file mode 100644
index 000000000..a5f536ecf
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/get-cell-score.ts
@@ -0,0 +1,20 @@
+export const getCellScoreTests = [
+  {
+    args: [1],
+    memory: [0, 0, 1],
+    output: 0b001,
+    imports: { config: { rowSize: 3, step: 1 } }
+  },
+  {
+    args: [2],
+    memory: [1, 0, 0],
+    output: 0b001,
+    imports: { config: { rowSize: 3, step: 1 } }
+  },
+  {
+    args: [1],
+    memory: [1, 1, 0],
+    output: 0b110,
+    imports: { config: { rowSize: 3, step: 1 } }
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/get-index.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/get-index.ts
new file mode 100644
index 000000000..16317f1fe
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/get-index.ts
@@ -0,0 +1,41 @@
+import { outputCoordinates } from './common';
+
+const rowSize = 5;
+
+const viz = {
+  rowSize,
+  text: (a, i) => i,
+  extras: outputCoordinates
+};
+export const getIndex = [
+  {
+    args: [0, 0],
+    imports: { config: { rowSize: rowSize } },
+    output: 0,
+    viz
+  },
+  {
+    args: [1, 0],
+    imports: { config: { rowSize: rowSize } },
+    output: 1,
+    viz
+  },
+  {
+    args: [0, 1],
+    imports: { config: { rowSize: rowSize } },
+    output: rowSize,
+    viz
+  },
+  {
+    args: [0, 1],
+    imports: { config: { rowSize: 4 } },
+    output: 4,
+    viz
+  },
+  {
+    args: [3, 3],
+    imports: { config: { rowSize: 4 } },
+    output: 15,
+    viz
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/load-cell.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/load-cell.ts
new file mode 100644
index 000000000..175049f06
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/load-cell.ts
@@ -0,0 +1,53 @@
+const rowSize = 2;
+
+export const memoryRepViz = {
+  rowSize: rowSize * 4,
+  text: (a, i, c, test) => {
+    return i % 4 === 0 ? test.memory[i / 4] : '';
+  },
+  color: (a, i, o, test) => {
+    const c = (test.args[1] * rowSize + test.args[0]) * 4;
+    if (i >= c && i < c + 4) {
+      return 'lime';
+    }
+    return Math.floor((i / 4) % 2) === 0 ? '#ddd' : '#999';
+  }
+};
+
+export const loadCellTests = [
+  {
+    args: [0, 0],
+    memory: [0, 0, 0],
+    output: 0,
+    imports: { config: { rowSize } },
+    viz: memoryRepViz
+  },
+  {
+    args: [0, 0],
+    memory: [1, 0, 0],
+    output: 1,
+    imports: { config: { rowSize } },
+    viz: memoryRepViz
+  },
+  {
+    args: [1, 0],
+    memory: [1, 1, 0, 0],
+    output: 1,
+    imports: { config: { rowSize } },
+    viz: memoryRepViz
+  },
+  {
+    args: [0, 1],
+    memory: [1, 0, 1, 0],
+    viz: memoryRepViz,
+    output: 1,
+    imports: { config: { rowSize } }
+  },
+  {
+    args: [1, 1],
+    memory: [1, 0, 0, 0],
+    output: 0,
+    viz: memoryRepViz,
+    imports: { config: { rowSize } }
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/load-previous-cell.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/load-previous-cell.ts
new file mode 100644
index 000000000..5944bc37c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/load-previous-cell.ts
@@ -0,0 +1,32 @@
+export const loadPreviousCellTests = [
+  {
+    args: [0],
+    memory: [0, 0, 0],
+    output: 0,
+    imports: { config: { step: 1, rowSize: 3 } }
+  },
+  {
+    args: [0],
+    memory: [1, 0, 0],
+    output: 1,
+    imports: { config: { step: 1, rowSize: 3 } }
+  },
+  {
+    args: [2],
+    memory: [1, 0, 1],
+    output: 1,
+    imports: { config: { step: 1, rowSize: 3 } }
+  },
+  {
+    args: [2],
+    memory: [1, 0, 1, 1, 0, 1],
+    output: 1,
+    imports: { config: { step: 2, rowSize: 3 } }
+  },
+  {
+    args: [2],
+    memory: [1, 0, 1, 1, 0, 0],
+    output: 0,
+    imports: { config: { step: 2, rowSize: 3 } }
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/rotate.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/rotate.ts
new file mode 100644
index 000000000..57ad50f7f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/rotate.ts
@@ -0,0 +1,145 @@
+const rowSize = 5;
+const longFowSize = 4;
+const yellow = {
+  color: 'yellow',
+  text: 'Y'
+};
+
+const lime = {
+  color: 'lime',
+  text: 'G'
+};
+
+const red = {
+  color: 'red',
+  text: 'R'
+};
+
+export const rotate = [
+  {
+    args: [0, rowSize],
+    imports: { config: { rowSize } },
+    output: 0,
+    viz: {
+      rowSize,
+      extras: [
+        {
+          ...lime,
+          x: 0,
+          y: 0
+        },
+        {
+          ...yellow,
+          x: 0,
+          y: 1
+        }
+      ]
+    }
+  },
+  {
+    args: [rowSize, rowSize],
+    imports: { config: { rowSize } },
+    output: 0,
+    viz: {
+      rowSize,
+      extras: [
+        {
+          ...red,
+          x: rowSize,
+          y: 0
+        },
+        {
+          ...lime,
+          x: 0,
+          y: 0
+        },
+        {
+          ...lime,
+          x: rowSize - 2,
+          y: 0
+        },
+        {
+          ...lime,
+          x: rowSize - 1,
+          y: 0
+        },
+        {
+          ...yellow,
+          x: rowSize - 1,
+          y: 1
+        }
+      ]
+    }
+  },
+  {
+    args: [-1, rowSize],
+    imports: { config: { rowSize } },
+    output: 4,
+    viz: {
+      rowSize,
+      extras: [
+        {
+          ...red,
+          x: -1,
+          y: 0
+        },
+        {
+          ...lime,
+          x: 0,
+          y: 0
+        },
+        {
+          ...lime,
+          x: 1,
+          y: 0
+        },
+        {
+          ...lime,
+          x: rowSize - 1,
+          y: 0
+        },
+        {
+          ...yellow,
+          x: 0,
+          y: 1
+        }
+      ]
+    }
+  },
+
+  {
+    args: [longFowSize, longFowSize],
+    imports: { config: { rowSize: longFowSize } },
+    output: 0,
+    viz: {
+      rowSize: longFowSize,
+      extras: [
+        {
+          ...red,
+          x: longFowSize,
+          y: 0
+        },
+        {
+          ...lime,
+          x: 0,
+          y: 0
+        },
+        {
+          ...lime,
+          x: longFowSize - 2,
+          y: 0
+        },
+        {
+          ...lime,
+          x: longFowSize - 1,
+          y: 0
+        },
+        {
+          ...yellow,
+          x: longFowSize - 1,
+          y: 1
+        }
+      ]
+    }
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/shift-tests.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/shift-tests.ts
new file mode 100644
index 000000000..dab6017aa
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/shift-tests.ts
@@ -0,0 +1,31 @@
+const viz = {
+  type: 'shift'
+};
+
+export const shiftTests = [
+  {
+    args: [0, 0, 0],
+    output: 0,
+    viz
+  },
+  {
+    args: [0, 0, 1],
+    output: 0b1,
+    viz
+  },
+  {
+    args: [0, 1, 0],
+    output: 0b10,
+    viz
+  },
+  {
+    args: [1, 0, 0],
+    output: 0b100,
+    viz
+  },
+  {
+    args: [1, 1, 1],
+    output: 0b111,
+    viz
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/store-cell-tests.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/store-cell-tests.ts
new file mode 100644
index 000000000..86aff1155
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/tests/store-cell-tests.ts
@@ -0,0 +1,18 @@
+import { memoryRepViz } from './load-cell';
+
+export const storeCellTests = [
+  {
+    args: [1, 1],
+    imports: { config: { rowSize: 3, step: 0 } },
+    memory: [0, 1, 0],
+    expectedMemory: [0, 1, 0],
+    viz: memoryRepViz
+  },
+  {
+    args: [1, 0],
+    imports: { config: { rowSize: 3, step: 0 } },
+    memory: [0, 1, 0],
+    expectedMemory: [0, 0, 0],
+    viz: memoryRepViz
+  }
+];
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/utils.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/utils.spec.ts
new file mode 100644
index 000000000..f41cdddb9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/utils.spec.ts
@@ -0,0 +1,24 @@
+import { extractFunction } from './utils';
+
+describe('SyncComponent', () => {
+  it('should create', () => {
+    expect(
+      extractFunction(
+        'getIndex',
+        ` (export "memory" (memory 0))
+  (global $step (export "step") (mut i32) (i32.const 1))
+
+  (func $getIndex (param $x i32) (param $y i32) (result i32)
+    (i32.mul
+        (i32.const 4)
+        (i32.add
+            (local.get $x)
+            (i32.mul
+                (local.get $y)
+                (global.get $rowSize))))
+  )
+`
+      )
+    ).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/utils.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/utils.ts
new file mode 100644
index 000000000..9f20a1432
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/utils.ts
@@ -0,0 +1,309 @@
+import {
+  BaseBlock,
+  CodeHelperBlock
+} from './webassembly-playground/monaco-directives/common';
+
+export function extractFunction(name, code) {
+  return extractExpressionByMatch(
+    new RegExp('\\(func \\$' + name + '\\b'),
+    code
+  );
+}
+
+export function prepareTableCode(code) {
+  const elements = extractExpressionByMatch(/\(elem/, code);
+  if (!elements) {
+    // tslint:disable-next-line:no-debugger
+    debugger;
+  }
+  const functions = [
+    ...new Set([...elements.matchAll(/\$(\w+)\b/g)].map(a => a[1]))
+  ]
+    .map(name => extractFunction(name, code))
+    .join('\n');
+
+  const tableDef = extractExpressionByMatch(/\(table/, code);
+  return `
+  ;; table
+  ${tableDef}
+
+  ;; elem
+  ${elements}
+
+  ;; table functions
+  ${functions}
+`;
+}
+
+export function extractTypeCode(code) {
+  // TODO(kirjs): This would only extract one type, at some point there can be more
+  const type = extractExpressionByMatch(/\(type/, code);
+
+  return `
+  ;; types (we only extract one ATM)
+  ${type}
+`;
+}
+
+const matchTypeRegex = /^\(\s*([\w.]+)\b/;
+const funcNameRegex = /func\s*\$(\w+)/;
+
+function getName(code) {
+  if (getType(code) === 'func') {
+    const match = code.match(funcNameRegex);
+    return match ? match[1] : undefined;
+  }
+
+  return undefined;
+}
+
+function getType(code) {
+  const t = code.match(matchTypeRegex);
+  return t && t[1];
+}
+
+export function serializeBlocks(blocks: CodeHelperBlock[]) {
+  return blocks.map(b => b.type + (b.name ? `(${b.name})` : '')).join('/');
+}
+
+export function populateBlocks(blocks: BaseBlock[]): CodeHelperBlock[] {
+  return blocks.map((b: any) => {
+    const type = getType(b.code) || 'module';
+
+    return {
+      name: getName(b.code),
+      type,
+      ...b
+    };
+  });
+}
+
+export function extractBlocks(
+  textBefore,
+  textAfter,
+  prependLeft = '',
+  prependRight = ''
+) {
+  const before = findPrevNonMatchingClosingBrace(textBefore);
+  const after = findNextNonMatchingClosingBrace(textAfter);
+
+  if (before && after) {
+    const next = extractBlocks(
+      textBefore.slice(0, -before.length - 1),
+      textAfter.slice(after.length),
+      before + prependLeft,
+      prependRight + after
+    );
+
+    return [
+      {
+        before,
+        after,
+        code: before + prependLeft + prependRight + after
+      },
+      ...next
+    ];
+  }
+
+  return [];
+}
+
+export function findNextNonMatchingClosingBrace(code: string) {
+  return findMatchingBrace(code, 0, 1, 1);
+}
+
+export function findPrevNonMatchingClosingBrace(code: string) {
+  return findMatchingBrace(code, code.length - 1, -1, -1, -1);
+}
+
+function findMatchingBrace(
+  code: string,
+  startIndex = 0,
+  shift = 1,
+  braces = 0,
+  /*This is a hack, need proper fix*/ resultShift = 0
+) {
+  let i = startIndex;
+  while (code[i]) {
+    const c = code[i];
+
+    if (c === '(') {
+      braces++;
+    }
+    if (c === ')') {
+      braces--;
+    }
+
+    i += shift;
+
+    if (braces === 0) {
+      return code.substring(startIndex, i - resultShift);
+    }
+  }
+}
+
+export function extractExpressionByMatch(regex, code) {
+  const match = regex.exec(code);
+  if (match) {
+    let i = match.index;
+    let braces = 0;
+    while (true) {
+      const c = code[i];
+
+      if (!c) {
+        return null;
+      }
+
+      if (c === '(') {
+        braces++;
+      }
+      if (c === ')') {
+        braces--;
+      }
+
+      i++;
+
+      if (braces === 0) {
+        return code.substring(match.index, i);
+      }
+    }
+  }
+}
+
+export function extractGlobalAccess(code) {
+  const match = /(?:get_global|global\.get)\s+\$(\w+)*/g;
+  return [...new Set([...code.matchAll(match)].map(a => a[1]))];
+}
+
+export function extractGlobals(code, allCode) {
+  return extractGlobalAccess(code);
+}
+
+export function hasMemoryCalls(code) {
+  return /i32\.(store|load)\s+/g.test(code);
+}
+
+export function hasTypeCalls(code) {
+  return /type \$/g.test(code);
+}
+
+export function hasTableCalls(code, config) {
+  return /(call_indirect)\s+/g.test(code);
+}
+
+function unique(arr) {
+  return [...new Set(arr)];
+}
+
+export function populateTestCode(
+  code: string,
+  test,
+  allCode: string,
+  table: string
+) {
+  if (test.table) {
+    const funcs = unique(test.table)
+      .map(name => extractFunction(name, allCode))
+      .join('\n\n');
+    const elements = test.table.map(e => '    $' + e).join('\n');
+    table = `
+(table ${test.table.length} funcref)
+(elem (i32.const 0)
+${elements}
+)
+
+${funcs}
+
+`;
+  }
+
+  const regExp = /;;{table}/;
+  if (table) {
+    code = code.replace(regExp, table);
+  }
+  return code;
+}
+
+export function extractFunctionWithDependencies(
+  name,
+  code: string,
+  dependencies: string[]
+) {
+  return extractFunctionDependencyNames(name, code, dependencies)
+    .map(name => extractFunction(name, code))
+    .join('\n\n');
+}
+
+export function hasGlobal(name, code) {
+  return /global\s+/g.test(code);
+}
+
+export function extractFunctionDependencyNames(
+  name,
+  code: string,
+  dependencies: string[]
+) {
+  const funcCode = extractFunction(name, code);
+  const match = /(?:\bcall)\s+\$(\w+)*/g;
+  if (!funcCode) {
+    return [];
+  }
+  const functions = [
+    ...new Set([...funcCode.matchAll(match)].map(a => a[1]))
+  ].filter(d => !dependencies.includes(d));
+  const nestedDeps = functions.flatMap(f =>
+    extractFunctionDependencyNames(f, code, [...dependencies, ...functions])
+  );
+  return [...new Set([...dependencies, ...nestedDeps, ...functions])];
+}
+
+function getMemoryCode(hasMemory: boolean) {
+  return hasMemory
+    ? `
+  (memory 1)
+  (export "memory" (memory 0))
+  `
+    : '';
+}
+
+export function generateWatTestCode({
+  code,
+  globals,
+  name,
+  hasMemory,
+  types
+}: any) {
+  const globalsCode = globals
+    .map(
+      global =>
+        `(global  \$${global} (export "${global}") (mut i32) (i32.const 0))`
+    )
+    .join('\n');
+  const memoryCode = getMemoryCode(hasMemory);
+
+  const funcExport = code.match(`export "${name}"`)
+    ? ''
+    : `(export "${name}" (func $${name}))`;
+
+  return `(module
+  ${funcExport}
+  ${types}
+  ${globalsCode}
+  ;;{table}
+  ${memoryCode}
+  ${code}
+)`;
+}
+
+export function extractAllFunctions(code) {
+  const match = /func\s+\$(\w+)*/g;
+  return [...new Set([...code.matchAll(match)].map(a => a[1]))];
+}
+
+export function extractAnswers(code) {
+  const functions = extractAllFunctions(code).map(name => [
+    name,
+    extractFunction(name, code)
+  ]);
+  return new Map(functions as any);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/test._wasm b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/test._wasm
new file mode 100644
index 000000000..46ebb50dc
Binary files /dev/null and b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/test._wasm differ
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.css
new file mode 100644
index 000000000..3162d444d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.css
@@ -0,0 +1,10 @@
+::ng-deep [name='section-type'] {
+  display: block;
+  flex-basis: 100%;
+  background: #444 !important;
+  border-radius: 4px;
+  margin-top: 8px;
+  margin-bottom: 4px;
+  padding: 8px 16px;
+  color: white !important;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.html
new file mode 100644
index 000000000..569cab08d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.html
@@ -0,0 +1,6 @@
+<kirjs-binary-plain
+  [highlightedMap]="{ boolean: true, number: true, hex: true, string: true }"
+  [parser]="parser"
+  [binary]="binary"
+  [spacing]="true"
+></kirjs-binary-plain>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.spec.ts
new file mode 100644
index 000000000..12d9b818b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WasmBinaryComponent } from './wasm-binary.component';
+
+describe('WasmBinaryComponent', () => {
+  let component: WasmBinaryComponent;
+  let fixture: ComponentFixture<WasmBinaryComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [WasmBinaryComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WasmBinaryComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.ts
new file mode 100644
index 000000000..a092052e1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-binary.component.ts
@@ -0,0 +1,17 @@
+import { Component } from '@angular/core';
+import { wasmParser } from './wasm-parser';
+import { strToBin } from '../../binary/parser/utils';
+
+declare const require;
+// if the extention is .wasm, webpack is being stupid.
+const wasm = require('!binary-loader!./test._wasm');
+
+@Component({
+  selector: 'kirjs-wasm-binary',
+  templateUrl: './wasm-binary.component.html',
+  styleUrls: ['./wasm-binary.component.css']
+})
+export class WasmBinaryComponent {
+  readonly binary = strToBin(wasm);
+  readonly parser = wasmParser();
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-parser.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-parser.ts
new file mode 100644
index 000000000..d30b02a61
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/wasm-binary/wasm-parser.ts
@@ -0,0 +1,129 @@
+import { BinaryParser } from '../../binary/parser/binary-parser';
+
+const funcTypes = {
+  0x7f: 'i32',
+  0x7e: 'i64',
+  0x7d: 'f32',
+  0x7c: 'f64',
+  0x70: 'anyfunc',
+  0x60: 'func',
+  0x40: 'empty_block'
+};
+
+const valueTypes = {
+  0x7f: 'i32',
+  0x7e: 'i64',
+  0x7d: 'f32',
+  0x7c: 'f64'
+};
+
+export function wasmParser() {
+  const funcParamTypeParser = new BinaryParser().uInt8('type', {
+    enum: valueTypes
+  });
+
+  const funcTypeParser = new BinaryParser()
+    .uInt8('type', { enum: funcTypes })
+    .uInt8('paramCount')
+    .array('params', {
+      parser: funcParamTypeParser,
+      length: 'paramCount'
+    })
+    .uInt8('returnCount')
+    .array('returns', {
+      parser: funcParamTypeParser,
+      length: 'returnCount'
+    });
+
+  const fieldParser = new BinaryParser()
+    .varuint7('len')
+    .string('name', { length: 'len' });
+
+  const kindParser = new BinaryParser().uInt8('kind').choice('declaration', {
+    key: 'kind',
+    values: {
+      0: new BinaryParser().varuint7('function'),
+      2: new BinaryParser().varuint7('memory-tbd')
+    }
+  });
+
+  const exportItemParser = new BinaryParser()
+    .block('field', fieldParser)
+    .block('kind', kindParser);
+
+  const localEntryParser = new BinaryParser()
+    .varuint7('local_count')
+    .uInt8('value_type');
+
+  const codeBodyParser = new BinaryParser()
+    .varuint7('function_body_type_body_size')
+    .block('local', localEntryParser)
+    .block('local', localEntryParser)
+    .block('local', localEntryParser)
+    .block('local', localEntryParser);
+
+  const sectionParsers = {
+    type: new BinaryParser().uInt8('count').array('params', {
+      length: 'count',
+      parser: funcTypeParser
+    }),
+
+    import: new BinaryParser()
+      .uInt8('count')
+      .varuint7('moduleLen')
+      .string('module', { length: 'moduleLen' })
+      .block('field', fieldParser)
+      .block('kind', kindParser),
+
+    function: new BinaryParser().bit32('TBD'),
+
+    table: new BinaryParser().bit24('TBD'),
+
+    export: new BinaryParser().varuint7('count').array('items', {
+      length: 'count',
+      parser: exportItemParser
+    }),
+
+    start: new BinaryParser().varuint7('index'),
+
+    code: new BinaryParser()
+      .varuint7('number_of_functions')
+      .block('lol', codeBodyParser)
+  };
+
+  const sectionParser = new BinaryParser()
+    .uInt8('section-type', {
+      enum: {
+        0x01: 'Types',
+        0x02: 'Import',
+        0x03: 'Function',
+        0x05: 'Table',
+        0x07: 'Export',
+        0x08: 'Start',
+        0x0a: 'Code'
+      }
+    })
+    .varuint7('size')
+    .choice('section', {
+      key: 'section-type',
+      values: {
+        0x01: sectionParsers.type,
+        0x02: sectionParsers.import,
+        0x03: sectionParsers.function,
+        0x05: sectionParsers.table,
+        0x07: sectionParsers.export,
+        0x08: sectionParsers.start,
+        0x0a: sectionParsers.code
+      }
+    });
+
+  const header = new BinaryParser()
+    .string('headerConst', {
+      length: 4,
+      description: `header const`
+    })
+    .uInt32le('version')
+    .array('sections', { length: 7, parser: sectionParser });
+
+  return new BinaryParser().block('header', header);
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.css
new file mode 100644
index 000000000..bba56b702
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.css
@@ -0,0 +1,10 @@
+.error {
+  font-size: 20px;
+  padding: 20px;
+  text-align: center;
+  background: #ff4e3d;
+  color: #fff;
+  opacity: 0.9;
+  width: 100%;
+  margin-left: -20px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.html
new file mode 100644
index 000000000..2c36aded4
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.html
@@ -0,0 +1,3 @@
+<div class="error" *ngIf="result.type === 'error'">
+  {{ result.value }}
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.spec.ts
new file mode 100644
index 000000000..b8beb4a9d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ErrorMessageComponent } from './error-message.component';
+
+describe('ErrorMessageComponent', () => {
+  let component: ErrorMessageComponent;
+  let fixture: ComponentFixture<ErrorMessageComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ErrorMessageComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ErrorMessageComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.ts
new file mode 100644
index 000000000..405d69c55
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/error-message/error-message.component.ts
@@ -0,0 +1,15 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { Result } from '../web-assembly.service';
+
+@Component({
+  selector: 'slides-error-message',
+  templateUrl: './error-message.component.html',
+  styleUrls: ['./error-message.component.css']
+})
+export class ErrorMessageComponent implements OnInit {
+  @Input() result: Result<string>;
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/common.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/common.ts
new file mode 100644
index 000000000..4d6ac663a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/common.ts
@@ -0,0 +1,43 @@
+import {
+  webAssemblyModuleContentHandler,
+  webAssemblyTestHandler
+} from '../runners/wasm-test-runner/wasm-test-runner.component';
+
+export interface BaseBlock {
+  code: string;
+  before?: string;
+  after?: string;
+}
+
+export interface CodeHelperBlock extends BaseBlock {
+  type: string;
+  name?: string;
+  meta: any;
+}
+
+export interface CodePath {
+  type: 'ts' | 'wat';
+  blocks: CodeHelperBlock[];
+}
+
+export function getCodeBlockHandler(lang, type) {
+  if (!codeBlockHandlers[lang] || !codeBlockHandlers[lang][type]) {
+    return;
+  }
+  return codeBlockHandlers[lang][type];
+}
+
+const displayPreview = () => {
+  return { mode: 'default' };
+};
+export const codeBlockHandlers = {
+  ts: {
+    FunctionDeclaration: displayPreview,
+    SourceFile: displayPreview
+  },
+  wat: {
+    elem: displayPreview,
+    func: webAssemblyTestHandler,
+    module: webAssemblyModuleContentHandler
+  }
+};
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-js-position.directive.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-js-position.directive.ts
new file mode 100644
index 000000000..4caebca6c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-js-position.directive.ts
@@ -0,0 +1,96 @@
+import {
+  AfterViewInit,
+  Directive,
+  EventEmitter,
+  Optional,
+  Output,
+  Self
+} from '@angular/core';
+import { CodeDemoEditorInjector } from '@codelab/code-demos/src/lib/code-demo-editor/code-demo-editor.injector';
+import { getTypeScript } from '@codelab/utils/src/lib/loaders/loaders';
+import { serializeBlocks } from '../../utils';
+import { CodePath } from './common';
+
+const ts = getTypeScript();
+
+const printer = ts.createPrinter({
+  newLine: ts.NewLineKind.LineFeed
+});
+
+const usefulTypes = new Set([
+  ts.SyntaxKind.SourceFile,
+  ts.SyntaxKind.FunctionDeclaration
+]);
+
+function getName(token) {
+  if (token.kind === ts.SyntaxKind.FunctionDeclaration) {
+    return token.name.text;
+  }
+}
+
+function resolveToken(token, sourceFile) {
+  const code = printer.printNode(ts.EmitHint.Unspecified, token, sourceFile);
+
+  const name = getName(token);
+  return {
+    code,
+    type: ts.SyntaxKind[token.kind],
+    ...token,
+    name
+  };
+}
+
+function processBlocks(blocks: any[], sourceFile) {
+  return blocks
+    .map(b => resolveToken(b, sourceFile))
+    .filter(b => {
+      return usefulTypes.has(b.kind);
+    });
+}
+
+@Directive({
+  selector: '[slidesMonacoJsPosition]'
+})
+export class MonacoJsPositionDirective implements AfterViewInit {
+  @Output() slidesMonacoJsPosition = new EventEmitter<CodePath>();
+  lastResult: string;
+
+  constructor(
+    @Self() @Optional() private editorInjector: CodeDemoEditorInjector
+  ) {}
+
+  ngAfterViewInit() {
+    const editor = this.editorInjector.editor;
+    editor.onDidChangeCursorPosition(({ position }) => {
+      const model = editor.getModel();
+      const value = model.getValue();
+      const sourceFile = ts.createSourceFile(
+        'file.ts',
+        value,
+        ts.ScriptTarget.ES2015,
+        /*setParentNodes */ true
+      );
+
+      const offset = model.getOffsetAt(position);
+      let token = (ts as any).getTokenAtPosition(sourceFile, offset);
+      const blocks = [token];
+      while (token.parent && token.kind) {
+        token = token.parent;
+        blocks.push(token);
+      }
+
+      const processedBlocks = processBlocks(blocks, sourceFile);
+
+      const result = serializeBlocks(processedBlocks);
+      // If we're in the same path and value is the same, let's not update
+      const key = result + value;
+      if (this.lastResult !== key) {
+        this.lastResult = key;
+        this.slidesMonacoJsPosition.emit({
+          type: 'ts',
+          blocks: processedBlocks
+        });
+      }
+    });
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-load-answer.directive.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-load-answer.directive.ts
new file mode 100644
index 000000000..c2fea48b9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-load-answer.directive.ts
@@ -0,0 +1,25 @@
+import { Directive, EventEmitter, Optional, Output, Self } from '@angular/core';
+import { CodeDemoEditorInjector } from '@codelab/code-demos/src/lib/code-demo-editor/code-demo-editor.injector';
+
+@Directive({
+  selector: '[slidesMonacoLoadAnswer]',
+  exportAs: 'MonacoWatLoadAnswer'
+})
+export class MonacoWatLoadAnswerDirective {
+  @Output() slidesMonacoLoadAnswer = new EventEmitter<void>();
+
+  constructor(
+    @Self() @Optional() private editorInjector: CodeDemoEditorInjector
+  ) {}
+
+  loadAnswer(config: any) {
+    const model = this.editorInjector.editor.getModel();
+    const value = model.getValue();
+    const newValue = value.replace(config.originalCode, config.answer);
+    model.setValue(newValue);
+    this.slidesMonacoLoadAnswer.emit();
+    const pos = model.getPositionAt(newValue.indexOf(config.answer) + 20);
+    this.editorInjector.editor.setPosition(pos);
+    this.editorInjector.editor.focus();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-scrolling.directive.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-scrolling.directive.ts
new file mode 100644
index 000000000..c4b45313e
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-scrolling.directive.ts
@@ -0,0 +1,41 @@
+import { Directive, Input, OnChanges, Optional, Self } from '@angular/core';
+import { CodeDemoEditorInjector } from '@codelab/code-demos/src/lib/code-demo-editor/code-demo-editor.injector';
+import { findPosition } from '@codelab/code-demos/src/lib/code-demo-editor/utils/utils';
+
+@Directive({
+  selector: '[slidesMonacoScrolling]'
+})
+export class MonacoScrollingDirective implements OnChanges {
+  @Input() slidesMonacoScrolling = '';
+  lastValue: string;
+
+  constructor(
+    @Self() @Optional() private editorInjector: CodeDemoEditorInjector
+  ) {}
+
+  ngOnChanges(changes) {
+    const editor = this.editorInjector.editor;
+    if (
+      editor &&
+      changes.slidesMonacoScrolling &&
+      changes.slidesMonacoScrolling.currentValue !== this.lastValue
+    ) {
+      this.lastValue = this.slidesMonacoScrolling;
+
+      if (this.slidesMonacoScrolling) {
+        const range = findPosition(
+          editor.getModel().getValue(),
+          this.slidesMonacoScrolling
+        );
+
+        // This does not really work
+        editor.revealRangeInCenter({
+          startColumn: range.indexStart,
+          endColumn: range.indexEnd,
+          startLineNumber: range.lineStart,
+          endLineNumber: range.lineEnd
+        });
+      }
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-wat-position.directive.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-wat-position.directive.spec.ts
new file mode 100644
index 000000000..af98704c6
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-wat-position.directive.spec.ts
@@ -0,0 +1,8 @@
+import { MonacoWatPositionDirective } from './monaco-cursor-position.directive';
+
+describe('MonacoCursorPositionDirective', () => {
+  it('should create an instance', () => {
+    const directive = new MonacoWatPositionDirective();
+    expect(directive).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-wat-position.directive.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-wat-position.directive.ts
new file mode 100644
index 000000000..0ddfea5fa
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/monaco-directives/monaco-wat-position.directive.ts
@@ -0,0 +1,47 @@
+import {
+  AfterViewInit,
+  Directive,
+  EventEmitter,
+  Optional,
+  Output,
+  Self
+} from '@angular/core';
+import { CodeDemoEditorInjector } from '@codelab/code-demos/src/lib/code-demo-editor/code-demo-editor.injector';
+import { extractBlocks, populateBlocks, serializeBlocks } from '../../utils';
+import { CodePath } from './common';
+
+@Directive({
+  selector: '[slidesMonacoWatPosition]'
+})
+export class MonacoWatPositionDirective implements AfterViewInit {
+  @Output() slidesMonacoWatPosition = new EventEmitter<CodePath>();
+  lastResult: string;
+
+  constructor(
+    @Self() @Optional() private editorInjector: CodeDemoEditorInjector
+  ) {}
+
+  ngAfterViewInit() {
+    const editor = this.editorInjector.editor;
+    editor.onDidChangeCursorPosition(x => {
+      const position = x.position;
+      const model = editor.getModel();
+      const offset = model.getOffsetAt(position);
+      const value = model.getValue();
+
+      const textBefore = value.slice(0, offset + 1);
+      const textAfter = value.slice(offset);
+
+      const blocks = populateBlocks(extractBlocks(textBefore, textAfter));
+
+      const result = serializeBlocks(blocks);
+      // If we're in the same path and value is the same, let's not update
+
+      const key = result + value;
+      if (this.lastResult !== key) {
+        this.lastResult = key;
+        this.slidesMonacoWatPosition.emit({ type: 'wat', blocks });
+      }
+    });
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/runner.js b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/runner.js
new file mode 100644
index 000000000..5ef3c627d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/runner.js
@@ -0,0 +1,31 @@
+async function run(code, { args, imports, name, memory }) {
+  // imports.config.log = console.log;
+
+  const program = await WebAssembly.instantiate(code, imports);
+
+  if (memory) {
+    if (!program.instance.exports.memory) {
+      throw new Error(
+        'This test expects memory to be exported from WebAssembly, but none was exported.'
+      );
+    }
+    const mem = new Uint32Array(program.instance.exports.memory.buffer);
+    for (let m = 0; m < memory.length; m++) {
+      mem[m] = memory[m];
+    }
+  }
+
+  if (imports) {
+    Object.entries(imports.config).map(([key, value]) => {
+      if (program.instance.exports[key]) {
+        program.instance.exports[key].value = value;
+      }
+    });
+  }
+
+  const result = program.instance.exports[name](...args);
+  return {
+    result,
+    exports: program.instance.exports
+  };
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.html
new file mode 100644
index 000000000..bb21e974f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.html
@@ -0,0 +1,39 @@
+<ng-container *ngIf="result$ | async as result">
+  <div *ngIf="result.type === 'result'">
+    <div *ngFor="let test of result.value">
+      <div
+        class="test-result"
+        [class.focused]="isFocused(test)"
+        (click)="focused = test"
+      >
+        <div
+          class="indicator"
+          [style.background]="test.pass ? '#43ff00' : '#ff5300'"
+        ></div>
+        <div>
+          <div>
+            <div class="call">
+              {{ config.name }}({{ test.args }}) {{ test.memory }}
+            </div>
+            <div *ngIf="test.output !== undefined">
+              <div class="result-expected">
+                result: {{ test.result.value.result }}
+              </div>
+              <div class="result-expected">expected: {{ test.output }}</div>
+            </div>
+            <div *ngIf="test.expectedMemory !== undefined">
+              result: {{ test.actualMemory }} expected:
+              {{ test.expectedMemory }}
+            </div>
+          </div>
+          <slides-viz
+            *ngIf="isFocused(test) && test.viz"
+            [config]="config"
+            [test]="test"
+          ></slides-viz>
+        </div>
+      </div>
+    </div>
+  </div>
+  <slides-error-message [result]="result"></slides-error-message>
+</ng-container>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.scss b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.scss
new file mode 100644
index 000000000..76a679303
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.scss
@@ -0,0 +1,41 @@
+.indicator {
+  width: 20px;
+  height: 20px;
+  margin-top: 5px;
+  margin-right: 10px;
+}
+
+.test-result {
+  display: flex;
+  margin-bottom: 10px;
+}
+
+slides-viz {
+  display: block;
+  margin-top: 20px;
+}
+
+.call {
+  font-size: 20px;
+}
+
+.result-expected {
+  font-size: 20px;
+}
+
+.focused {
+  .call {
+    font-size: 3vw;
+  }
+
+  .result-expected {
+    font-size: 2vw;
+  }
+
+  .indicator {
+    width: 3vw;
+    height: 3vw;
+    margin-top: 5px;
+    margin-right: 10px;
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.spec.ts
new file mode 100644
index 000000000..8c3e95b89
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WasmTestRunnerComponent } from './wasm-test-runner.component';
+
+describe('WasmTestRunnerComponent', () => {
+  let component: WasmTestRunnerComponent;
+  let fixture: ComponentFixture<WasmTestRunnerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [WasmTestRunnerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WasmTestRunnerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.ts
new file mode 100644
index 000000000..f97f25765
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component.ts
@@ -0,0 +1,260 @@
+import { Component, Input, OnChanges } from '@angular/core';
+import { forkJoin, Observable, Subject } from 'rxjs';
+import {
+  Result,
+  RunResult,
+  WebAssemblyService
+} from '../../web-assembly.service';
+import {
+  extractAllFunctions,
+  extractFunction,
+  extractFunctionWithDependencies,
+  extractGlobals,
+  extractTypeCode,
+  generateWatTestCode,
+  hasMemoryCalls,
+  hasTableCalls,
+  hasTypeCalls,
+  populateTestCode,
+  prepareTableCode
+} from '../../../utils';
+import { wasmAnswers } from '../../../webassembly.component';
+
+declare const require;
+
+interface TestResult {
+  pass: boolean;
+  result: Result<RunResult>;
+  isFirstFailed: boolean;
+}
+
+interface TestConfig {
+  type: string;
+  name: string;
+  tests: any[];
+}
+
+export interface WebAssemblyTestConfig extends TestConfig {
+  highlights: string[];
+  mode: string;
+  originalCode: string;
+  globals: string[];
+  table?: string;
+  answer?: string;
+  code: {
+    wat: string;
+    js: string;
+  };
+}
+
+function verifyGlobalsInTests(tests, globals) {
+  if (globals.length) {
+    tests.forEach(test => {
+      if (!test.imports) {
+        throw new Error(
+          'No imports present in the test. Function being tested expect the following: ' +
+            globals.join(',')
+        );
+      }
+      if (!test.imports.config) {
+        throw new Error('config property is missing on imports');
+      }
+      for (const g of globals) {
+        if (!(g in test.imports.config)) {
+          throw new Error('input is not present: ' + g);
+        }
+      }
+    });
+  }
+}
+
+function testsHaveMemory(config: TestConfig) {
+  return config.tests.some(t => t.memory);
+}
+
+function passOrNot(m: any, blockCode, allCode) {
+  if (m.type === 'func') {
+    return new Set(extractAllFunctions(allCode)).has(m.name);
+  }
+  if (m.type === 'module') {
+    return !!allCode.match(/\(module/);
+  }
+  if (m.type === 'table') {
+    return !!allCode.match(/\(table/);
+  }
+  if (m.type === 'elem') {
+    return !!allCode.match(/\(elem/);
+  }
+
+  if (m.type === 'global') {
+    return !!allCode.match(new RegExp('global\\s*\\$' + m.name));
+  }
+
+  if (m.type === 'global.rowSize') {
+    // (import "config" "rowSize" (global $rowSize i32))
+    return !!allCode.match(/\(global \$rowSize i32\)/);
+  }
+  if (m.type === 'global.step') {
+    // (global $step (export "step") (mut i32) (i32.const 1))
+    return !!allCode.match(/\(export "step"\)/);
+  }
+
+  if (m.type === 'memory') {
+    return !!allCode.match(new RegExp('memory'));
+  }
+}
+
+export function webAssemblyModuleContentHandler(
+  config: any,
+  blockCode: string,
+  allCode: string
+) {
+  let hasUpassed = false;
+  const milestones = config.milestones.map(m => {
+    const pass = passOrNot(m, blockCode, allCode);
+
+    let firstFailed = false;
+    if (!pass && !hasUpassed) {
+      hasUpassed = true;
+      firstFailed = true;
+    }
+
+    return {
+      firstFailed,
+      pass,
+      ...m
+    };
+  });
+
+  return {
+    mode: config.type,
+    ...config,
+    milestones
+  };
+}
+
+export function webAssemblyTestHandler(
+  config: TestConfig,
+  blockCode: string,
+  allCode: string
+): WebAssemblyTestConfig {
+  const originalCode = extractFunction(config.name, allCode);
+  const funcCode = extractFunctionWithDependencies(config.name, allCode, [
+    config.name
+  ]);
+  const globals = extractGlobals(funcCode, allCode);
+
+  const hasMemory = testsHaveMemory(config) || hasMemoryCalls(funcCode);
+
+  const table = hasTableCalls(funcCode, config)
+    ? prepareTableCode(allCode)
+    : '';
+  const types = hasTypeCalls(funcCode) ? extractTypeCode(allCode) : '';
+
+  verifyGlobalsInTests(config.tests, globals);
+  const wat = generateWatTestCode({
+    globals,
+    code: funcCode,
+    name: config.name,
+    hasMemory,
+    types
+  });
+  const answer = wasmAnswers.get(config.name) as string;
+
+  return {
+    code: {
+      wat,
+      js: require('!!raw-loader!./runner.js')
+    },
+    answer,
+    globals,
+    table,
+    ...config,
+    mode: 'test',
+    highlights: originalCode,
+    originalCode
+  };
+}
+
+@Component({
+  selector: 'slides-wasm-test-runner',
+  templateUrl: './wasm-test-runner.component.html',
+  styleUrls: ['./wasm-test-runner.component.scss']
+})
+export class WasmTestRunnerComponent implements OnChanges {
+  readonly result$ = new Subject<Result<TestResult[]>>();
+  @Input() config: any;
+  focused;
+
+  constructor(private readonly webAssemblyService: WebAssemblyService) {}
+
+  isFocused(test) {
+    return this.focused ? test === this.focused : test.isFirstFailed;
+  }
+
+  runTests() {
+    this.focused = undefined;
+    const { tests, code, name, allCode, table } = this.config as any;
+
+    let hasFailures = false;
+    const sources = (tests as any[]).map(test => {
+      return new Observable<TestResult>(subscriber => {
+        const wat = populateTestCode(code.wat, test, allCode, table);
+
+        return this.webAssemblyService
+          .run(wat, code.js, {
+            args: test.args,
+            imports: test.imports,
+            memory: test.memory,
+            name
+          })
+          .subscribe(result => {
+            let pass = false;
+            if (result.type === 'result') {
+              if ('output' in test) {
+                pass = (result.value as RunResult).result === test.output;
+              }
+
+              if ('expectedMemory' in test) {
+                const mem = new Uint32Array(
+                  (result.value as RunResult).exports.memory.buffer
+                );
+
+                pass = test.expectedMemory.every((m, i) => mem[i] === m);
+                test.actualMemory = mem.slice(0, test.expectedMemory.length);
+              }
+            }
+
+            let isFirstFailed = false;
+
+            if (!pass && !hasFailures) {
+              hasFailures = true;
+              isFirstFailed = true;
+            }
+
+            subscriber.next({
+              isFirstFailed,
+              pass: pass,
+              result,
+              ...test
+            });
+            subscriber.complete();
+          });
+      });
+    });
+
+    forkJoin(sources).subscribe(results => {
+      const error = results.find(({ result }) => result.type === 'error');
+      if (error) {
+        this.result$.next(error.result as any);
+        return;
+      }
+
+      this.result$.next({ type: 'result', value: results });
+    });
+  }
+
+  ngOnChanges() {
+    this.runTests();
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.html
new file mode 100644
index 000000000..8a9ede9c2
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.html
@@ -0,0 +1,3 @@
+<div>
+  <canvas #canvas width="360" height="280"></canvas>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.spec.ts
new file mode 100644
index 000000000..64dfa6eea
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { GridComponent } from './grid.component';
+
+describe('GridComponent', () => {
+  let component: GridComponent;
+  let fixture: ComponentFixture<GridComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [GridComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(GridComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.ts
new file mode 100644
index 000000000..89edee201
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/grid/grid.component.ts
@@ -0,0 +1,167 @@
+import { Component, Input, OnChanges, ViewChild } from '@angular/core';
+
+export interface Figure {
+  type?: 'rect' | 'circle';
+  x: number;
+  y: number;
+  color: string;
+  text?: string;
+}
+
+export interface GridConfig {
+  values: number[];
+  rowSize: number;
+  showIndex?: boolean;
+  extras?: Figure[] | any;
+}
+
+const fakeMemory = [
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0,
+  0
+];
+
+interface DrawCellConfig extends Figure {
+  context: any;
+  size: number;
+}
+
+function drawCell({
+  context,
+  size,
+  x,
+  y,
+  color,
+  text,
+  type = 'rect'
+}: DrawCellConfig) {
+  const gridShift = size;
+  context.fillStyle = color;
+  const x1 = gridShift + x * size;
+  const y1 = gridShift + y * size;
+
+  if (type === 'rect') {
+    context.fillRect(x1, y1, size - 1, size - 1);
+  }
+  if (type === 'circle') {
+    context.arc(x1, y1, size, 0, Math.PI * 2, 0);
+  }
+
+  if (text !== undefined) {
+    context.fillStyle = 'black';
+    context.textAlign = 'center';
+    context.textBaseline = 'middle';
+    context.font = '20px "Helvetica Neue", sans-serif';
+    context.fillText(text, x1 + size / 2, y1 + size / 2);
+  }
+}
+
+function resolveFuncOrValueForItem(
+  funcOfValue: any,
+  item,
+  index,
+  vizConfig,
+  test,
+  defaultValue
+) {
+  if (!funcOfValue) {
+    return defaultValue;
+  }
+
+  if (typeof funcOfValue === 'function') {
+    return funcOfValue(item, index, vizConfig, test);
+  }
+
+  return funcOfValue;
+}
+
+function resolveFuncOrValue(funcOfValue: any, vizConfig, defaultValue) {
+  if (!funcOfValue) {
+    return defaultValue;
+  }
+
+  if (Array.isArray(funcOfValue)) {
+    return funcOfValue;
+  }
+
+  if (typeof funcOfValue === 'function') {
+    return funcOfValue(vizConfig);
+  }
+}
+
+@Component({
+  selector: 'slides-grid',
+  templateUrl: './grid.component.html',
+  styleUrls: ['./grid.component.css']
+})
+export class GridComponent implements OnChanges {
+  @ViewChild('canvas', { static: true }) canvas;
+  @Input() test: any;
+
+  async ngOnChanges(changes) {
+    const size = 40;
+    const canvas = this.canvas.nativeElement;
+
+    const context = canvas.getContext('2d');
+    context.clearRect(0, 0, canvas.width, canvas.height);
+
+    const config = this.test.viz;
+    const memory = resolveFuncOrValue(config.memory, this.test, fakeMemory);
+    for (let i = 0; i < memory.length; i++) {
+      const x = i % config.rowSize;
+      const y = Math.floor(i / config.rowSize);
+
+      const color = resolveFuncOrValueForItem(
+        config.color,
+        memory[i],
+        i,
+        config,
+        this.test,
+        '#ddd'
+      );
+      const text = resolveFuncOrValueForItem(
+        config.text,
+        memory[i],
+        i,
+        config,
+        this.test,
+        ''
+      );
+
+      drawCell({ context, size, x, y, color, text });
+    }
+
+    const extras = resolveFuncOrValue(config.extras, this.test, []);
+
+    for (const s of extras) {
+      drawCell({ context, size, ...s });
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.css
new file mode 100644
index 000000000..4525fc99c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.css
@@ -0,0 +1,3 @@
+td {
+  font-size: 30px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.html
new file mode 100644
index 000000000..084f16745
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.html
@@ -0,0 +1,41 @@
+<slides-grid
+  *ngIf="test && test.viz && !test.viz.type"
+  [test]="test"
+></slides-grid>
+
+<div *ngIf="test && test.viz && test.viz.type === 'evolve'">
+  <kirjs-rule4 [test]="test"></kirjs-rule4>
+  <slides-grid [test]="test"></slides-grid>
+</div>
+
+<div *ngIf="test && test.viz && test.viz.type === 'shift'">
+  <table>
+    <tr>
+      <td>X</td>
+      <td><< 2</td>
+      <td>=</td>
+      <td style="text-align: right;">X00</td>
+      <td>+</td>
+    </tr>
+    <tr>
+      <td>Y</td>
+      <td><< 1</td>
+      <td>=</td>
+      <td style="text-align: right;">Y0</td>
+      <td>+</td>
+    </tr>
+    <tr>
+      <td>Z</td>
+      <td></td>
+      <td></td>
+      <td style="text-align: right;">Z</td>
+    </tr>
+
+    <tr>
+      <td></td>
+      <td></td>
+      <td></td>
+      <td style="text-align: right;">XYZ</td>
+    </tr>
+  </table>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.spec.ts
new file mode 100644
index 000000000..5aef7b8dc
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { VizComponent } from './viz.component';
+
+describe('VizComponent', () => {
+  let component: VizComponent;
+  let fixture: ComponentFixture<VizComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [VizComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(VizComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.ts
new file mode 100644
index 000000000..4c27a0a29
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.component.ts
@@ -0,0 +1,15 @@
+import { Component, Input, OnInit } from '@angular/core';
+import { WebAssemblyTestConfig } from '../runners/wasm-test-runner/wasm-test-runner.component';
+import { GridConfig } from './grid/grid.component';
+
+@Component({
+  selector: 'slides-viz',
+  templateUrl: './viz.component.html',
+  styleUrls: ['./viz.component.css']
+})
+export class VizComponent implements OnInit {
+  @Input() config: WebAssemblyTestConfig;
+  @Input() test;
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.module.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.module.ts
new file mode 100644
index 000000000..f9332a8d3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/viz/viz.module.ts
@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { VizComponent } from './viz.component';
+import { GridComponent } from './grid/grid.component';
+import { CellularAutomationModule } from '../../../cellular-automation/cellular-automation.module';
+
+@NgModule({
+  declarations: [VizComponent, GridComponent],
+  exports: [VizComponent],
+  imports: [CommonModule, CellularAutomationModule]
+})
+export class VizModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.css
new file mode 100644
index 000000000..c7e4e6bd1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.css
@@ -0,0 +1,10 @@
+.indicator {
+  width: 20px;
+  height: 20px;
+  margin-top: 5px;
+  margin-right: 10px;
+}
+
+.test-result {
+  display: flex;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.html
new file mode 100644
index 000000000..3651ec207
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.html
@@ -0,0 +1,18 @@
+<div *ngFor="let m of config.milestones">
+  <div class="test-result">
+    <div>
+      <div *ngIf="m.firstFailed" style="display: flex;">
+        <div>
+          {{ m.name }}
+        </div>
+        <button mat-button (click)="loadFunction(m)">Add</button>
+      </div>
+
+      <div *ngIf="!m.firstFailed">
+        <div style="color: #666">
+          {{ m.name }}
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.spec.ts
new file mode 100644
index 000000000..32282b301
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WasmContentsComponent } from './wasm-contents.component';
+
+describe('WasmContentsComponent', () => {
+  let component: WasmContentsComponent;
+  let fixture: ComponentFixture<WasmContentsComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [WasmContentsComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WasmContentsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.ts
new file mode 100644
index 000000000..cb686f08c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/wasm-contents/wasm-contents.component.ts
@@ -0,0 +1,146 @@
+import { Component, EventEmitter, Input, Output } from '@angular/core';
+
+function genGlobalStep() {
+  return {
+    answer: `global $rowSize i32))
+  (global $step (export "step") (mut i32) (i32.const 1))
+`,
+    originalCode: /global \$rowSize i32\)\)/
+  };
+}
+
+function genMemory(name) {
+  return {
+    answer: `global $rowSize i32))
+  (memory 1)
+  (export "memory" (memory 0))
+`,
+    originalCode: /global \$rowSize i32\)\)/
+  };
+}
+
+function genTable() {
+  return {
+    answer: `(memory 0))
+
+  (table 8 anyfunc)
+  (type $return_i32 (func (result i32)))
+`,
+    originalCode: /\(memory 0\)\)/
+  };
+}
+
+function genElem() {
+  return {
+    answer: `(table 8 anyfunc)
+
+  (func $enable (result i32)
+    (i32.const 1)
+  )
+
+  (func $disable (result i32)
+    (i32.const 0)
+  )
+
+  (elem (i32.const 0)
+    $enable ;; 000
+    $enable ;; 001
+    $enable ;; 010
+    $enable ;; 011
+    $enable ;; 100
+    $enable ;; 101
+    $enable ;; 110
+    $enable ;; 111
+  )
+`,
+    originalCode: /\(table 8 anyfunc\)/
+  };
+}
+
+function genRowSize() {
+  return {
+    answer: `(module
+  (import "config" "rowSize" (global $rowSize i32))
+`,
+    originalCode: /\(module/
+  };
+}
+
+function genModule() {
+  return {
+    answer: `(module
+
+)
+`,
+    originalCode: /^/
+  };
+}
+
+function genFuncName(name) {
+  return {
+    answer: `
+  (func $${name} (result i32)
+
+  )
+)
+`,
+    originalCode: /\)\s*$/
+  };
+}
+
+@Component({
+  selector: 'slides-wasm-contents',
+  templateUrl: './wasm-contents.component.html',
+  styleUrls: ['./wasm-contents.component.css']
+})
+export class WasmContentsComponent {
+  @Input() config: any;
+  @Output() loadAnswer = new EventEmitter<any>();
+
+  loadFunction(m) {
+    if (m.type === 'func') {
+      this.loadAnswer.emit({
+        ...genFuncName(m.name),
+        ...m
+      });
+    }
+    if (m.type === 'module') {
+      this.loadAnswer.emit({
+        ...genModule(),
+        ...m
+      });
+    }
+
+    if (m.type === 'global.step') {
+      this.loadAnswer.emit({
+        ...genGlobalStep(),
+        ...m
+      });
+    }
+    if (m.type === 'table') {
+      this.loadAnswer.emit({
+        ...genTable(),
+        ...m
+      });
+    }
+    if (m.type === 'elem') {
+      this.loadAnswer.emit({
+        ...genElem(),
+        ...m
+      });
+    }
+    if (m.type === 'global.rowSize') {
+      this.loadAnswer.emit({
+        ...genRowSize(),
+        ...m
+      });
+    }
+
+    if (m.type === 'memory') {
+      this.loadAnswer.emit({
+        ...genMemory(m.name),
+        ...m
+      });
+    }
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/web-assembly.service.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/web-assembly.service.spec.ts
new file mode 100644
index 000000000..527eb88d9
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/web-assembly.service.spec.ts
@@ -0,0 +1,12 @@
+import { TestBed } from '@angular/core/testing';
+
+import { WebAssemblyService } from './web-assembly.service';
+
+describe('WebAssemblyService', () => {
+  beforeEach(() => TestBed.configureTestingModule({}));
+
+  it('should be created', () => {
+    const service: WebAssemblyService = TestBed.inject(WebAssemblyService);
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/web-assembly.service.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/web-assembly.service.ts
new file mode 100644
index 000000000..437533ae1
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/web-assembly.service.ts
@@ -0,0 +1,102 @@
+import { Injectable } from '@angular/core';
+import { Observable } from 'rxjs';
+
+declare const require;
+// TODO(kirjs): Find a better way.
+const wabt = (function() {
+  // Needed to make umd properly export stuff.
+  const exports = {};
+  const module = {};
+  const code = require('!raw-loader!wabt');
+  return eval(code)();
+})();
+
+export interface Result<T> {
+  type: 'error' | 'result';
+  value: T | string;
+  error?: string;
+}
+
+function wat2wasm(wat) {
+  const module = wabt.parseWat('main.wasm', wat);
+  const binary = module.toBinary({
+    log: false,
+    canonicalize_lebs: false,
+    relocatable: false,
+    write_debug_names: false
+  });
+  return binary.buffer;
+}
+
+export interface RunConfig {
+  args: any[];
+  imports: any;
+  name: string;
+  memory?: number[];
+}
+
+export interface RunResult {
+  result: number;
+  exports: { [key: string]: any };
+}
+
+@Injectable({
+  providedIn: 'root'
+})
+export class WebAssemblyService {
+  constructor() {}
+
+  run<T>(wat: string, js: string, wasmConfig: RunConfig) {
+    return new Observable<Result<RunResult>>(subscriber => {
+      try {
+        const wasm = wat2wasm(wat);
+
+        const setResult = (result: RunResult) => {
+          subscriber.next({
+            type: 'result',
+            value: result
+          });
+          subscriber.complete();
+        };
+
+        const setError = (error: string) => {
+          subscriber.next({
+            type: 'error',
+            value: error
+          });
+          subscriber.complete();
+        };
+
+        eval(`
+      (async function(){
+      try {
+        const code = new Uint8Array([${wasm.toString()}]).buffer;
+        ${js}
+          setResult(await run(code, wasmConfig));
+        } catch(e){
+          setError(e.message);
+        }
+      }())
+    `);
+      } catch (e) {
+        subscriber.next({
+          type: 'error',
+          value: e.message
+        });
+        subscriber.complete();
+      }
+    });
+  }
+
+  saveWasmFile(code: string) {
+    function saveByteArray(name, byte) {
+      const blob = new Blob([byte], { type: 'application/wasm' });
+      const link = document.createElement('a');
+      link.href = window.URL.createObjectURL(blob);
+      link.download = name;
+      link.click();
+    }
+
+    saveByteArray('result.wasm', wat2wasm(code));
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.css
new file mode 100644
index 000000000..9fa04ed76
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.css
@@ -0,0 +1,35 @@
+:host {
+  position: fixed;
+  right: 0;
+  top: 0;
+  background-color: #444;
+  color: #fff;
+  width: 400px;
+  padding: 10px 20px;
+  bottom: 0;
+  overflow: scroll;
+  transition: width 200ms;
+}
+
+.back {
+  margin-bottom: 10px;
+}
+
+.has-meta {
+  text-decoration: underline;
+}
+
+.side {
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.content {
+  overflow: visible;
+  margin-bottom: 200px;
+}
+
+h2 {
+  font-size: 20px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.html
new file mode 100644
index 000000000..9e15e0598
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.html
@@ -0,0 +1,43 @@
+<div class="side">
+  <div class="breadcrumbs" *ngIf="width">
+    <ng-container *ngFor="let block of blocks; let l = last">
+      <span [class.has-meta]="!!block.meta"
+        >{{ block.type }} {{ block.name || '' }}</span
+      >
+      <span>{{ l ? '' : ' / ' }}</span>
+    </ng-container>
+  </div>
+  <div *ngIf="selectedMode" class="content">
+    <h1>{{ selectedMode.name }}</h1>
+    <h2 style="font-size: 24px;">{{ selectedMode.description }}</h2>
+
+    <ng-container *ngIf="selectedMode.mode === 'module'">
+      <slides-wasm-contents
+        [config]="selectedMode"
+        (loadAnswer)="loadAnswerFromConfig($event)"
+      ></slides-wasm-contents>
+    </ng-container>
+
+    <ng-container *ngIf="selectedMode.mode === 'test'">
+      <slides-wasm-test-runner
+        [config]="selectedMode"
+      ></slides-wasm-test-runner>
+    </ng-container>
+
+    <ng-container *ngIf="selectedMode.mode === 'default'">
+      <kirjs-webassembly-runner
+        class="runner"
+        [webAssemblyCode]="wat"
+        [jsCode]="js"
+      ></kirjs-webassembly-runner>
+    </ng-container>
+
+    <button
+      mat-button
+      (click)="loadAnswerFromConfig(selectedMode)"
+      *ngIf="selectedMode.answer"
+    >
+      Load answer
+    </button>
+  </div>
+</div>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.spec.ts
new file mode 100644
index 000000000..cb3c0fd92
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WebassemblyCodeModeComponent } from './webassembly-code-mode.component';
+
+describe('WebassemblyCodeModeComponent', () => {
+  let component: WebassemblyCodeModeComponent;
+  let fixture: ComponentFixture<WebassemblyCodeModeComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [WebassemblyCodeModeComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WebassemblyCodeModeComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.ts
new file mode 100644
index 000000000..3b9b2ee6a
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-code-mode/webassembly-code-mode.component.ts
@@ -0,0 +1,60 @@
+import {
+  Component,
+  EventEmitter,
+  HostBinding,
+  Input,
+  OnChanges,
+  Output,
+  SimpleChanges
+} from '@angular/core';
+
+declare const require;
+
+@Component({
+  selector: 'slides-webassembly-code-mode',
+  templateUrl: './webassembly-code-mode.component.html',
+  styleUrls: ['./webassembly-code-mode.component.css']
+})
+export class WebassemblyCodeModeComponent implements OnChanges {
+  @HostBinding('style.width.px') width = 0;
+  @Input() code: any;
+  @Input() sideBarBlocks: any[];
+  @Output() wasmSelectionHighlight = new EventEmitter();
+  @Output() loadAnswer = new EventEmitter<any>();
+
+  wat: string;
+  js: string;
+  mode = 'getIndex';
+  state: any;
+  selectedMode = {};
+  private blocks: any[];
+
+  constructor() {}
+
+  updateCode() {
+    if (this.code) {
+      this.wat = this.code.wat;
+      this.js = this.code.js;
+    }
+  }
+
+  ngOnChanges(changes: SimpleChanges) {
+    if ('sideBarBlocks' in changes) {
+      this.blocks = this.sideBarBlocks || [];
+      const block = this.blocks.find(b => !!b.meta);
+      this.selectedMode = {};
+      if (block) {
+        this.selectedMode = block.meta;
+      }
+      this.width = Object.keys(this.selectedMode).length > 0 ? 400 : 0;
+    }
+
+    if (this.code) {
+      this.updateCode();
+    }
+  }
+
+  loadAnswerFromConfig(selectedMode: any) {
+    this.loadAnswer.emit(selectedMode);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.html
new file mode 100644
index 000000000..3e1d7f77c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.html
@@ -0,0 +1,34 @@
+<ng-container *ngIf="code">
+  <code-demo-editor
+    (slidesMonacoWatPosition)="selectFunction($event)"
+    [codeDemoHighlight]="selectedMode.highlights"
+    (slidesMonacoLoadAnswer)="update()"
+    #monacoWatLoadAnswer="MonacoWatLoadAnswer"
+    minLines="20"
+    class="webassembly-code"
+    [class.has-highlight]="selectedMode.highlights"
+    [fontSize]="fontSize"
+    language="wat"
+    [(ngModel)]="code.wat"
+    (ngModelChange)="update()"
+    [lineNumbers]="false"
+    [language]="'wat'"
+  ></code-demo-editor>
+
+  <code-demo-editor
+    (slidesMonacoJsPosition)="selectFunction($event)"
+    [fontSize]="fontSize"
+    class="js-code"
+    [(ngModel)]="code.js"
+    (ngModelChange)="update()"
+    [lineNumbers]="false"
+    [language]="'typescript'"
+  ></code-demo-editor>
+
+  <slides-webassembly-code-mode
+    (loadAnswer)="monacoWatLoadAnswer.loadAnswer($event)"
+    [sideBarBlocks]="sideBarBlocks"
+    [code]="code"
+    (wasmSelectionHighlight)="wasmSelectionHighlight = $event"
+  ></slides-webassembly-code-mode>
+</ng-container>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.scss b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.scss
new file mode 100644
index 000000000..86fb71632
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.scss
@@ -0,0 +1,33 @@
+:host {
+  display: grid;
+  grid-template-columns: 2fr 1fr;
+  grid-template-rows: auto auto;
+  height: 100%;
+  width: 100%;
+  grid-template-areas: 'wa result' 'js result';
+}
+
+.runner {
+  position: fixed;
+  right: 0;
+  top: 0;
+}
+
+.webassembly-code {
+  grid-area: wa;
+}
+
+.js-code {
+  grid-area: js;
+}
+
+::ng-deep {
+  .has-highlight {
+    .view-lines span:not(.highlighted-code) {
+      color: #777;
+    }
+  }
+
+  .highlighted-code {
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.spec.ts
new file mode 100644
index 000000000..3a02fe5c7
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WebassemblyPlaygroundComponent } from './webassembly-playground.component';
+
+describe('WebassemblyPlaygroundComponent', () => {
+  let component: WebassemblyPlaygroundComponent;
+  let fixture: ComponentFixture<WebassemblyPlaygroundComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [WebassemblyPlaygroundComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WebassemblyPlaygroundComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.ts
new file mode 100644
index 000000000..ba98b3490
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-playground.component.ts
@@ -0,0 +1,91 @@
+import { Component, forwardRef, Input } from '@angular/core';
+import { ControlValueAccessor, NG_VALUE_ACCESSOR } from '@angular/forms';
+
+import {
+  CodeHelperBlock,
+  CodePath,
+  getCodeBlockHandler
+} from './monaco-directives/common';
+
+interface WebassemblyPlaygroundInputs {
+  wat: string;
+  js: string;
+}
+
+@Component({
+  selector: 'kirjs-webassembly-playground',
+  templateUrl: './webassembly-playground.component.html',
+  styleUrls: ['./webassembly-playground.component.scss'],
+  providers: [
+    {
+      provide: NG_VALUE_ACCESSOR,
+      useExisting: forwardRef(() => WebassemblyPlaygroundComponent),
+      multi: true
+    }
+  ]
+})
+export class WebassemblyPlaygroundComponent implements ControlValueAccessor {
+  @Input() modeConfig = {};
+  @Input() fontSize = 30;
+  code: WebassemblyPlaygroundInputs;
+  wasmSelectionHighlight: string;
+  selectedMode = {};
+  sideBarBlocks: CodeHelperBlock[];
+  private onChange: (code: WebassemblyPlaygroundInputs) => void;
+
+  registerOnChange(
+    onChange: (code: WebassemblyPlaygroundInputs) => void
+  ): void {
+    this.onChange = onChange;
+  }
+
+  registerOnTouched(fn: any): void {}
+
+  setDisabledState(isDisabled: boolean): void {}
+
+  writeValue(code: WebassemblyPlaygroundInputs): void {
+    this.code = code;
+  }
+
+  selectFunction(path: CodePath) {
+    // Last block contains all the code of the module
+    if (path.blocks.length === 0) {
+      return;
+    }
+
+    const allCode = path.blocks[path.blocks.length - 1].code;
+    this.sideBarBlocks = path.blocks.map(b => {
+      const langConfig = this.modeConfig[path.type];
+
+      if (!langConfig) {
+        return { ...b };
+      }
+
+      let meta = langConfig[b.type];
+      const name = b.name || 'default';
+      if (meta && meta[name]) {
+        meta = meta[name];
+        meta.name = b.name;
+        meta.type = b.type;
+        const handler =
+          meta.handler || getCodeBlockHandler(path.type, b.type) || (a => a);
+        meta = handler(meta, b.code, allCode);
+        meta.allCode = allCode;
+      }
+
+      return { ...b, meta };
+    });
+
+    const block = this.sideBarBlocks.find(b => !!b.meta);
+    this.selectedMode = {};
+    if (block) {
+      // TODO(kirjs): Uncommit
+      // this.selectedMode = block.meta;
+    }
+  }
+
+  update() {
+    this.code = { ...this.code };
+    this.onChange(this.code);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.css b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.css
new file mode 100644
index 000000000..15f622e51
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.css
@@ -0,0 +1,32 @@
+:host {
+  background-color: #444444;
+  height: 100%;
+  padding: 10px;
+  display: block;
+}
+
+.result {
+  font-size: 20px;
+  padding: 20px;
+  width: 20px;
+  text-align: center;
+  position: fixed;
+  right: 0;
+  top: 0;
+  background: #007302;
+  color: #fff;
+  opacity: 0.9;
+}
+
+.error {
+  font-size: 20px;
+  padding: 20px;
+  width: 200px;
+  text-align: center;
+  position: fixed;
+  right: 0;
+  top: 0;
+  background: #ff4e3d;
+  color: #fff;
+  opacity: 0.9;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.html
new file mode 100644
index 000000000..75d14ebef
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.html
@@ -0,0 +1,5 @@
+<ng-container *ngIf="result$ | async as result">
+  <!--  <button (click)="saveWasmFile()" mat-button>Download</button>-->
+  <div [class]="result.type" *ngIf="result.value">{{ result.value }}</div>
+</ng-container>
+<canvas #canvas [width]="width" [height]="height"></canvas>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.spec.ts
new file mode 100644
index 000000000..8a07bba7c
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WebassemblyRunnerComponent } from './webassembly-runner.component';
+
+describe('WebassemblyRunnerComponent', () => {
+  let component: WebassemblyRunnerComponent;
+  let fixture: ComponentFixture<WebassemblyRunnerComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [WebassemblyRunnerComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WebassemblyRunnerComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.ts
new file mode 100644
index 000000000..95f63181f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.component.ts
@@ -0,0 +1,29 @@
+import { Component, Input, OnChanges, ViewChild } from '@angular/core';
+import { Subject } from 'rxjs';
+import { Result, RunResult, WebAssemblyService } from '../web-assembly.service';
+
+@Component({
+  selector: 'kirjs-webassembly-runner',
+  templateUrl: './webassembly-runner.component.html',
+  styleUrls: ['./webassembly-runner.component.css']
+})
+export class WebassemblyRunnerComponent implements OnChanges {
+  @Input() webAssemblyCode: string;
+  @Input() jsCode: string;
+  @Input() width = 400;
+  @Input() height = 1000;
+
+  @ViewChild('canvas', { static: true }) canvas;
+
+  readonly result$ = new Subject<Result<RunResult>>();
+
+  constructor(private readonly webAssemblyService: WebAssemblyService) {}
+
+  async ngOnChanges(changes) {
+    const canvas = this.canvas.nativeElement;
+    canvas.getContext('2d').clearRect(0, 0, canvas.width, canvas.height);
+    this.webAssemblyService
+      .run(this.webAssemblyCode, this.jsCode, canvas)
+      .subscribe(this.result$);
+  }
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.module.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.module.ts
new file mode 100644
index 000000000..4cc422cae
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly-playground/webassembly-runner/webassembly-runner.module.ts
@@ -0,0 +1,10 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { WebassemblyRunnerComponent } from './webassembly-runner.component';
+
+@NgModule({
+  declarations: [WebassemblyRunnerComponent],
+  exports: [WebassemblyRunnerComponent],
+  imports: [CommonModule]
+})
+export class WebassemblyRunnerModule {}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.html b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.html
new file mode 100644
index 000000000..5fbf531fa
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.html
@@ -0,0 +1,370 @@
+<slide-deck slideShortcuts slidesRouting>
+  <kirjs-new-progress-bar
+    (fontSizeChange)="fontSize = fontSize + $event"
+    [fontSize]="fontSize"
+    title="CA ❤ WA"
+  ></kirjs-new-progress-bar>
+  <div *slide class="center" id="start">
+    <h2>Cellular Automata</h2>
+    <h2>Web assembly</h2>
+    <h1>@kirjs</h1>
+  </div>
+
+  <div *slide class="center" id="previously">
+    <h1>Previously In @BibyDigital's talk...</h1>
+    <div class="milica img"></div>
+    <h2>(Or WebAssembly in 15 seconds)</h2>
+  </div>
+
+  <div *slide class="center" id="wa">
+    <h1>🔥 Web Assembly 🔥</h1>
+    <h2>Not exactly an assembly</h2>
+    <h2>Also not only for web</h2>
+  </div>
+
+  <div *slide class="center" id="wa-2">
+    <h1>Web Assembly</h1>
+    <h1>Intermediate representation</h1>
+    <h2>Compile from (almost) any typed language</h2>
+    <h2>Run in your browser, from other language, or in a cloud...</h2>
+  </div>
+
+  <div *slide class="center" id="wa-types">
+    <h2>Web Assembly can only operate on 4 types</h2>
+    <ul>
+      <li>i32</li>
+      <li>i64</li>
+      <li>f32</li>
+      <li>f64</li>
+    </ul>
+  </div>
+
+  <div *slide class="center" id="is-in-binary">
+    <h1>Web Assembly</h1>
+    <h2>Has a binary representation</h2>
+    <kirjs-wasm-binary #binaryc style="display: none"></kirjs-wasm-binary>
+    <h2 style="word-break: break-all">
+      {{ binaryc.binary.slice(0, 400) }}
+    </h2>
+  </div>
+
+  <div *slide class="center" id="wat">
+    <h1>Web Assembly</h1>
+    <h2>...and a text representation. It is stack based</h2>
+    <h2>
+      <code-demo-editor
+        [(ngModel)]="examples.wat"
+        [fontSize]="30"
+        [lineNumbers]="false"
+        language="wat"
+        style="height: 100px;margin: 0 auto;width: 800px;margin-top: 30px;"
+      ></code-demo-editor>
+    </h2>
+  </div>
+
+  <div *slide class="center" id="wa-3">
+    <h2>Cellular Automata</h2>
+  </div>
+
+  <div *slide class="center" id="single-cell">
+    <slides-single-cell></slides-single-cell>
+  </div>
+
+  <div *slide class="center" id="grid">
+    <slides-single-grid></slides-single-grid>
+  </div>
+
+  <div *slide id="set-of-cells">
+    <h1>Grid</h1>
+    <kirjs-board
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 0, 0, 0, 0, 0, 0, 0, 0]]"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="cells-with-state">
+    <h1>Rules</h1>
+    <div class="rules">
+      <div class="rule" style="margin-right: 50px;">
+        <kirjs-board [pattern]="[[0]]"></kirjs-board>
+        <div class="arrow" style="text-align: center;">⇩</div>
+        <kirjs-board [pattern]="[[1]]"></kirjs-board>
+      </div>
+      <div class="rule">
+        <kirjs-board [pattern]="[[1]]"></kirjs-board>
+        <div class="arrow" style="text-align: center;">⇩</div>
+        <kirjs-board [pattern]="[[0]]"></kirjs-board>
+      </div>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div (click)="board1.playing = !board1.playing" class="play">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 0, 0, 0, 1, 0, 0, 0, 0]]"
+      [transform]="examples.intro.inverse"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="more-rules">
+    <h1>Rules</h1>
+    <div class="rules">
+      <kirjs-rule3 [arrow]="true" [rule]="16"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div (click)="board1.playing = !board1.playing" class="play">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [delay]="150"
+      [pattern]="[[0, 0, 0, 0, 1, 0, 0, 0, 0]]"
+      [transform]="examples.intro.inPlace16"
+    ></kirjs-board>
+  </div>
+
+  <div *slide id="more-rules-90">
+    <h1>Rules</h1>
+    <div class="rules">
+      <kirjs-rule3 [arrow]="true" [rule]="30"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div (click)="board1.playing = !board1.playing" class="play">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [delay]="150"
+      [pattern]="[[0, 0, 0, 0, 1, 0, 0, 0, 0]]"
+      [transform]="examples.intro.inPlace90"
+    ></kirjs-board>
+  </div>
+
+  <div *slide class="center" id="feynman">
+    <h1>Rule 30:</h1>
+    <div class="img feynman"></div>
+  </div>
+
+  <div *slide class="center" id="nks">
+    <h1>Book rec #1:</h1>
+    <h2>
+      <a
+        href="https://blog.stephenwolfram.com/2017/05/a-new-kind-of-science-a-15-year-view/"
+      >
+        New kind of science by Stephen Wolfram 🆓</a
+      >
+    </h2>
+    <div class="nks img"></div>
+  </div>
+
+  <div *slide class="center" id="feynman-book">
+    <h1>Book rec #2:</h1>
+    <h2>Surely You're Joking, Mr. Feynman! by Richard Feynman</h2>
+    <div class="joking img"></div>
+  </div>
+
+  <div *slide class="center" id="feynman-30">
+    <blockquote>
+      Well, we'd just been crawling around the floor—with help from some other
+      people—trying to use meter rules to measure some feature of a giant
+      printout of it. And Feynman took me aside, rather conspiratorially, and
+      said, "Look, I just want to ask you one thing: how did you know rule 30
+      would do all this crazy stuff?" "You know me," I said. "I didn't. I just
+      had a computer try all the possible rules. And I found it." "Ah," he said,
+      "now I feel much better. I was worried you had some way to figure it out."
+    </blockquote>
+  </div>
+
+  <div *slide id="two-d-30">
+    <h1>Rule 30</h1>
+    <div class="rules">
+      <kirjs-rule3 [arrow]="true" [rule]="30"></kirjs-rule3>
+    </div>
+
+    <h1 class="grid-header">
+      Grid
+      <div class="play">
+        {{ board1.playing ? '❚❚' : '▶' }}
+      </div>
+    </h1>
+
+    <kirjs-board
+      #board1
+      [cellHeight]="20"
+      [cellWidth]="20"
+      [delay]="50"
+      [pattern]="[patterns.rule90Start]"
+      [transform]="examples.intro.twoD90"
+    ></kirjs-board>
+  </div>
+
+  <div *slide class="center" id="to-see-rule-30">
+    <h1>Let's build it in WebAssembly!</h1>
+  </div>
+
+  <div *slide id="web-assembly-start">
+    <kirjs-webassembly-playground
+      [(ngModel)]="code.add"
+      [fontSize]="fontSize"
+      [modeConfig]="addModeConfig"
+    ></kirjs-webassembly-playground>
+  </div>
+
+  <div *slide class="center" id="stack-pre">
+    <h1>3 minute intro</h1>
+    <h2>Into stack-based programming</h2>
+  </div>
+  <div *slide class="center" id="stack">
+    <p>
+      <b>Stack</b> is a data structure, serving as a collection. Here's a stack
+      of fruit:
+    </p>
+
+    <slides-simple-stack value="🍏🍏🍏🍏🍏🍓"></slides-simple-stack>
+
+    <p>All operations are possible only with the last element of the stack.</p>
+  </div>
+
+  <div *slide class="center" id="pop">
+    <p>First operation is called <b>pop</b>, it removes the last element.</p>
+    <slides-stack-game [level]="levels.pop"></slides-stack-game>
+  </div>
+
+  <div *slide class="center" id="push">
+    <p>
+      The other operation is <b>push</b>. It adds an element on top of the
+      stack.
+    </p>
+    <slides-stack-game [level]="levels.push"></slides-stack-game>
+  </div>
+
+  <div *slide class="center" id="peek">
+    <p>
+      Some implementations also have a <b>peek</b> operation. It tells you what
+      top element on the stack is. You can try it below:
+    </p>
+    <slides-simple-stack value="🍏🍋"></slides-simple-stack>
+    <div class="button-wrapper">
+      <slides-stack-function-button
+        (click)="itIsALemon = true"
+        [func]="{ name: 'peek' }"
+      ></slides-stack-function-button>
+    </div>
+    <div *ngIf="itIsALemon">Congrats! It is a 🍋</div>
+  </div>
+
+  <div *slide class="center" id="practice">
+    <p>Let's practice!</p>
+    <p>
+      Use the commands you know already to get a stack of:
+      <slides-simple-stack value="🍓🍋"></slides-simple-stack>
+    </p>
+    <slides-stack-game [level]="levels.together"></slides-stack-game>
+  </div>
+
+  <div *slide class="center" id="test">
+    <slides-stack-test></slides-stack-test>
+  </div>
+
+  <div *slide class="center" id="stack-machines">
+    <p>
+      Stack machine is one of the fundamental principles used in JVM Java Byte
+      Code, WebAssembly byte code
+    </p>
+  </div>
+
+  <div *slide class="center" id="instructions">
+    <p>
+      Stack machine offers various instructions that can pop and then push
+      multiple element on the stack
+    </p>
+    <p>
+      For example (🌲🍏)=>🍍 takes two elements from the stack (Pine and Apple)
+      and pushes a 🍍 back
+    </p>
+  </div>
+
+  <div *slide class="center" id="lemonade">
+    <p>Now use the instructions below to prepare a lemonade drink:</p>
+    <slides-stack-game [level]="levels.lemonade"></slides-stack-game>
+  </div>
+
+  <div *slide id="coding-time">
+    <h2>Coding time! The plan:</h2>
+    <kirjs-board
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 1, 0, 0, 1, 1, 0, 0, 0]]"
+    ></kirjs-board>
+    <kirjs-board
+      [cellHeight]="120"
+      [cellWidth]="120"
+      [pattern]="[[0, 0, 0, 0, 0, 0, 0, 0, 0]]"
+    ></kirjs-board>
+
+    <div class="rules" style="margin-top: 40px;">
+      <kirjs-rule3 [arrow]="true" [indexes]="true" [rule]="90"></kirjs-rule3>
+    </div>
+  </div>
+
+  <div *slide id="use-wat">
+    <kirjs-webassembly-playground
+      [(ngModel)]="code.simple"
+      [fontSize]="fontSize"
+      [modeConfig]="modeConfig"
+    ></kirjs-webassembly-playground>
+  </div>
+
+  <div *slide id="result">
+    <slides-full-screen-runner [code]="code.simple"></slides-full-screen-runner>
+  </div>
+
+  <div *slide id="cam">
+    <h1>cambridge</h1>
+    <div class="img img-30"></div>
+    <div class="img img-30-2"></div>
+  </div>
+
+  <div *slide id="binary-1">
+    <!--    https://github.com/WebAssembly/design/blob/master/BinaryEncoding.md-->
+    <h2>
+      <a href="https://wasdk.github.io/wasmcodeexplorer/">wasmcodeexplorer</a>
+    </h2>
+    <kirjs-wasm-binary></kirjs-wasm-binary>
+  </div>
+
+  <div *slide class="center" id="wasm-playgroud">
+    <h1><a href="https://webassembly.studio/">webassembly.studio</a></h1>
+  </div>
+
+  <div *slide class="center" id="thanks">
+    <h1>Thanks</h1>
+    <h2>Stefan Fejes</h2>
+    <h2>ArmadaJS team</h2>
+  </div>
+  <div *slide class="center" id="end">
+    <h2>Cellular Automata</h2>
+    <h2>Web assembly</h2>
+    <h1>@kirjs</h1>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.scss b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.scss
new file mode 100644
index 000000000..95720d555
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.scss
@@ -0,0 +1,104 @@
+:host ::ng-deep .slide.slide > div.center {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 40px;
+  padding: 0 20vw;
+
+  p {
+    font-weight: 300;
+  }
+}
+
+::ng-deep {
+  font-weight: 300;
+}
+
+.button-wrapper {
+  margin: 20px 0;
+}
+
+.rules {
+  display: flex;
+
+  .rule {
+    .arrow {
+      margin-bottom: 8px;
+    }
+  }
+}
+
+.grid-header {
+  display: flex;
+  margin-top: 20px;
+
+  .play {
+    margin-left: 8px;
+  }
+}
+
+.img {
+  background-size: cover;
+  background-repeat: no-repeat;
+  background-position: center center;
+  box-shadow: 0 0 10px #444 inset;
+}
+
+.img.milica {
+  background-image: url('./pics/milica.jpg');
+  margin-top: 30px;
+  margin-bottom: 50px;
+  width: 400px;
+  height: 400px;
+  border-radius: 50%;
+}
+
+.img.nks {
+  background-image: url('./pics/nks.jpg');
+  margin-top: 30px;
+  margin-bottom: 50px;
+  width: 800px;
+  height: 800px;
+}
+
+.img.feynman {
+  background-image: url('./pics/feynman.png');
+  margin-top: 30px;
+  margin-bottom: 50px;
+  width: 800px;
+  height: 800px;
+}
+
+.img.joking {
+  background-image: url('./pics/joking.jpg');
+  margin-top: 30px;
+  margin-bottom: 50px;
+  width: 800px;
+  height: 800px;
+}
+
+.key-items {
+  display: flex;
+  text-align: center;
+
+  .item {
+    flex: 1;
+    font-size: 40px;
+  }
+}
+
+.img-30 {
+  background-image: url('./pics/30.png');
+  margin-top: 30px;
+  margin-bottom: 50px;
+  width: 800px;
+  height: 800px;
+}
+
+.img-30-2 {
+  background-image: url('./pics/30-2.png');
+  margin-top: 30px;
+  margin-bottom: 50px;
+  width: 800px;
+  height: 800px;
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.spec.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.spec.ts
new file mode 100644
index 000000000..1a3ca0ef5
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { WebassemblyComponent } from './webassembly.component';
+
+describe('WebassemblyComponent', () => {
+  let component: WebassemblyComponent;
+  let fixture: ComponentFixture<WebassemblyComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [WebassemblyComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(WebassemblyComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.ts
new file mode 100644
index 000000000..395245296
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.component.ts
@@ -0,0 +1,480 @@
+import { Component, OnInit } from '@angular/core';
+import './monaco-wat';
+import { getIndex } from './tests/get-index';
+import { rotate } from './tests/rotate';
+import { shiftTests } from './tests/shift-tests';
+import { getCellScoreTests } from './tests/get-cell-score';
+import { addTests } from './tests/add-tests';
+import { loadCellTests } from './tests/load-cell';
+import { loadPreviousCellTests } from './tests/load-previous-cell';
+import { storeCellTests } from './tests/store-cell-tests';
+import { evolveCellTests } from './tests/evolve-cell';
+import { enableTests } from './tests/enable-tests';
+import { disableTests } from './tests/disable-tests';
+import { evolveRowTests } from './tests/evolve-row';
+import { evolveTests } from './tests/evolve';
+import { extractAnswers } from './utils';
+import { Level } from '../stack/stack-game/stack-game.component';
+
+declare const require;
+
+export const wasmAnswers = extractAnswers(
+  require('!!raw-loader!./samples/answer.wat')
+);
+
+function generateArray(size = 89, callback) {
+  const result = Array.from(new Array(size)).map((a, i) => 0);
+  return (callback || (a => a))(result);
+}
+
+function inPlace(rule) {
+  const map = (256 + rule)
+    .toString(2)
+    .substr(1)
+    .split('')
+    .map(Number)
+    .reduce((a, v, i) => {
+      a[(15 - i).toString(2).substr(1)] = v;
+      return a;
+    }, {});
+
+  function transformRow(row) {
+    const result = [];
+    for (let i = 0; i < row.length; i++) {
+      const a1 = row[(row.length + i - 1) % row.length].toString();
+      const a2 = row[i].toString();
+      const a3 = row[(i + 1) % row.length].toString();
+      result[i] = [map[a1 + a2 + a3]];
+    }
+    return result;
+  }
+
+  return function(grid) {
+    return grid.map(transformRow);
+  };
+}
+
+function transform2d(rule) {
+  const survive = rule.survive.reduce((a, v) => {
+    a[v] = true;
+    return a;
+  }, {});
+  const born = rule.born.reduce((a, v) => {
+    a[v] = true;
+    return a;
+  }, {});
+
+  return function(grid) {
+    return grid.map((row, y) => {
+      return row.map((cell, x) => {
+        const px = (row.length + x - 1) % row.length;
+        const nx = (x + 1) % row.length;
+        const py = (grid.length + y - 1) % grid.length;
+        const ny = (y + 1) % grid.length;
+
+        const score =
+          grid[py][px] +
+          grid[py][x] +
+          grid[py][nx] +
+          grid[y][px] +
+          grid[y][nx] +
+          grid[ny][px] +
+          grid[ny][x] +
+          grid[ny][nx];
+
+        if ((cell === 0 && born[score]) || (cell === 1 && survive[score])) {
+          return 1;
+        }
+
+        return 0;
+      });
+    });
+  };
+}
+
+function appendTransform(rule) {
+  const transform = inPlace(rule);
+  return function(grid) {
+    const lastRow = grid[grid.length - 1];
+    grid.push(transform([lastRow])[0]);
+    return grid;
+  };
+}
+
+const rand = Math.floor(Math.random() * 255);
+
+const randomRules = new Array(8).fill(0).reduce(
+  (a, v, i) => {
+    if (Math.random() < 0.3) {
+      a.survive.push(i);
+    }
+    if (Math.random() < 0.3) {
+      a.born.push(i);
+    }
+    return a;
+  },
+  { survive: [], born: [] }
+);
+
+const gameOfLifeRules = { survive: [2, 3], born: [3] };
+const gameOfLife = transform2d(gameOfLifeRules);
+const randomPattern = new Array(30)
+  .fill(0)
+  .map(() => new Array(60).fill(0).map(() => (Math.random() < 0.3 ? 1 : 0)));
+const randomPatternSparce = new Array(30)
+  .fill(0)
+  .map(() => new Array(60).fill(0).map(() => (Math.random() < 0.04 ? 1 : 0)));
+
+const labyrynthRules = { survive: [0, 1, 2, 3], born: [1] };
+
+const labRules4 = { survive: [0, 1, 2, 3, 4], born: [1] };
+const labRules5 = { survive: [0, 1, 2, 3, 4, 5], born: [1] };
+const labRules6 = { survive: [0, 1, 2, 3, 4, 5, 6], born: [1] };
+
+@Component({
+  selector: 'kirjs-webassembly',
+  templateUrl: './webassembly.component.html',
+  styleUrls: ['./webassembly.component.scss']
+})
+export class WebassemblyComponent implements OnInit {
+  patterns = {
+    rule90Start: generateArray(89, a => {
+      a[44] = 1;
+      return a;
+    })
+  };
+
+  fontSize = 30;
+  examples = {
+    wat: `(func $add
+    (param $x i32)
+    (param $y i32)
+    (result i32)
+  local.get $x
+  local.get $y
+  i32.add
+)`,
+    intro: {
+      inverse(pattern) {
+        return pattern.map(line => line.map(cell => (cell + 1) % 2));
+      },
+      rand,
+      inPlace16: inPlace(16),
+      inPlace90: inPlace(90),
+      twoD18: appendTransform(18),
+      twoD30: appendTransform(30),
+      twoD90: appendTransform(90),
+      twoD110: appendTransform(110),
+      twoDRand: appendTransform(rand),
+
+      pattern: [
+        [0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 1, 0, 0, 0, 0]
+      ]
+    },
+    life: {
+      randomRules,
+      random: transform2d(randomRules),
+      gameOfLifeRules,
+      gameOfLife,
+      labyrynthRules: labyrynthRules,
+      labyrynth: transform2d(labyrynthRules),
+      labRules4,
+      labyrynth4: transform2d(labRules4),
+      labRules5,
+      labyrynth5: transform2d(labRules5),
+      labRules6,
+      labyrynth6: transform2d(labRules6),
+      pattern: {
+        randomPattern,
+        randomPatternSparce,
+        stillLife: [
+          [0, 0, 0, 0],
+          [0, 1, 1, 0],
+          [0, 1, 1, 0],
+          [0, 0, 0, 0]
+        ]
+      }
+    }
+  };
+
+  code = {
+    add: {
+      wat: `(module
+    (func $add
+        (param $x i32)
+        (param $y i32)
+        (result i32)
+
+
+    )
+)
+`,
+      js: require('!!raw-loader!./samples/base.js')
+    },
+    simple: {
+      wat: require('!!raw-loader!./samples/base.wat'),
+      js: require('!!raw-loader!./samples/base.js')
+    },
+    brIf: {
+      wa: `(module
+  (func $add (param $lhs i32) (param $rhs i32) (result i32)
+    (local $l1 i32)
+      i32.const 33
+      set_local $l1
+
+      block $lol
+        i32.const 1
+        i32.const 1
+        i32.eq
+        br_if $lol
+        i32.const 22
+        set_local $l1
+      end
+      get_local $l1
+    )
+  (export "add" (func $add))
+)
+`
+    }
+  };
+
+  itIsALemon = false;
+
+  addModeConfig = {
+    wat: {
+      func: {
+        add: {
+          description: 'Takes two numbers and adds them together',
+          tests: addTests
+        }
+      }
+    }
+  };
+  modeConfig = {
+    wat: {
+      elem: {
+        default: {}
+      },
+      module: {
+        default: {
+          milestones: [
+            { type: 'func', name: 'rotate' },
+            { type: 'global.rowSize', name: 'rowSize' },
+            { type: 'func', name: 'getIndex' },
+            { type: 'global.step', name: 'step' },
+            { type: 'memory', name: 'memory' },
+            { type: 'func', name: 'loadCell' },
+            { type: 'func', name: 'storeCell' },
+            { type: 'func', name: 'shift' },
+            { type: 'func', name: 'loadPreviousCell' },
+            { type: 'func', name: 'getCellScore' },
+            { type: 'table', name: 'table' },
+            { type: 'elem', name: 'elem' },
+            { type: 'func', name: 'evolveCell' },
+            { type: 'func', name: 'evolveRow' },
+            { type: 'func', name: 'evolve' }
+          ]
+        }
+      },
+      func: {
+        add: {
+          description: 'Takes two numbers and adds them together',
+          tests: addTests
+        },
+        rotate: {
+          description:
+            'Takes an index, and rotates it to be within the range of the line',
+          tests: rotate
+        },
+        getIndex: {
+          description:
+            'Takes X and Y coordinate and returns index in the memory.',
+          tests: getIndex
+        },
+        loadCell: {
+          description:
+            'Takes a position, calculates appropriate index and retrieves the data from memory',
+          tests: loadCellTests
+        },
+        storeCell: {
+          description: 'Stores single cell value im the memory',
+          tests: storeCellTests
+        },
+        shift: {
+          description:
+            'Takes 3 0|1 value and generates 3 bit number merging them together',
+          tests: shiftTests
+        },
+        loadPreviousCell: {
+          description: 'Loads previous cell',
+          tests: loadPreviousCellTests
+        },
+        getCellScore: {
+          description: 'Looks for 3 cells before, and gets a number 0-7',
+          tests: getCellScoreTests
+        },
+        evolveCell: {
+          description:
+            'Evolves single cell based on values of the previous cells',
+          tests: evolveCellTests
+        },
+        evolveRow: {
+          description:
+            'Evolves the whole row based on valueds of the previous row',
+          tests: evolveRowTests
+        },
+        evolve: {
+          description: 'Evolves the whole thing N generations',
+          tests: evolveTests
+        },
+
+        enable: {
+          description: 'This should always return 1',
+          tests: enableTests
+        },
+        disable: {
+          description: 'This should always return 0',
+          tests: disableTests
+        }
+      }
+    },
+    ts: {
+      SourceFile: {
+        default: {}
+      },
+      FunctionDeclaration: {
+        default: {}
+      }
+    }
+  };
+
+  levels: Record<string, Level> = {
+    push: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '🍏',
+          name: 'push 🍏'
+        },
+        {
+          inputs: '',
+          outputs: '🍋',
+          name: 'push 🍋'
+        }
+      ],
+      inputs: '',
+      outputs: '🍏🍋🍏'
+    },
+
+    pop: {
+      functions: [
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        }
+      ],
+      inputs: '🍏🍏🍏🍏🍏',
+      outputs: '🍏'
+    },
+
+    together: {
+      functions: [
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        },
+        {
+          inputs: '',
+          outputs: '🍓',
+          name: 'push 🍓'
+        },
+        {
+          inputs: '',
+          outputs: '🍋',
+          name: 'push 🍋'
+        }
+      ],
+      inputs: '🍏🍏',
+      outputs: '🍓🍋'
+    },
+
+    lemonade: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '💦'
+        },
+        {
+          inputs: '',
+          outputs: '🍋'
+        },
+        {
+          inputs: '',
+          outputs: '🍒'
+        },
+        {
+          inputs: '🍒💦🍋',
+          outputs: '🍹'
+        }
+      ],
+      inputs: '',
+      outputs: '🍹'
+    },
+    level1: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '🍏🍏'
+        },
+        {
+          inputs: '',
+          outputs: '🍋'
+        },
+        {
+          inputs: '🍋🍋',
+          outputs: '🍒'
+        },
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        }
+      ],
+      inputs: '🍏',
+      outputs: '🍒'
+    },
+    level2: {
+      functions: [
+        {
+          inputs: '',
+          outputs: '🍏',
+          name: 'push 🍏'
+        },
+        {
+          inputs: '🍏🍏',
+          outputs: '🍋'
+        },
+        {
+          inputs: '🍋🍋',
+          outputs: '🍒'
+        },
+        {
+          inputs: '＊',
+          outputs: '',
+          name: 'pop'
+        }
+      ],
+      inputs: '🍏',
+      outputs: '🍒'
+    }
+  };
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.module.ts b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.module.ts
new file mode 100644
index 000000000..45c7f8583
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/app/modules/webassembly/webassembly.module.ts
@@ -0,0 +1,67 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { RouterModule } from '@angular/router';
+import { WebassemblyComponent } from './webassembly.component';
+import { WebassemblyPlaygroundComponent } from './webassembly-playground/webassembly-playground.component';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { FormsModule } from '@angular/forms';
+import { StackModule } from '../stack/stack.module';
+import { WasmBinaryComponent } from './wasm-binary/wasm-binary.component';
+import { BinaryViewModule } from '../binary/binary-view/binary-view.module';
+import { BinaryInlineModule } from '../binary/binary-inline/binary-inline.module';
+import { SyncDirectivesModule } from '@codelab/utils/src/lib/sync/directives/sync-directives.module';
+import { WebassemblyCodeModeComponent } from './webassembly-playground/webassembly-code-mode/webassembly-code-mode.component';
+import { MatButtonModule } from '@angular/material/button';
+
+import { ErrorMessageComponent } from './webassembly-playground/error-message/error-message.component';
+import { WasmTestRunnerComponent } from './webassembly-playground/runners/wasm-test-runner/wasm-test-runner.component';
+import { MonacoScrollingDirective } from './webassembly-playground/monaco-directives/monaco-scrolling.directive';
+import { MonacoJsPositionDirective } from './webassembly-playground/monaco-directives/monaco-js-position.directive';
+import { MonacoWatPositionDirective } from './webassembly-playground/monaco-directives/monaco-wat-position.directive';
+import { MonacoWatLoadAnswerDirective } from './webassembly-playground/monaco-directives/monaco-load-answer.directive';
+import { VizModule } from './webassembly-playground/viz/viz.module';
+import { WasmContentsComponent } from './webassembly-playground/wasm-contents/wasm-contents.component';
+import { CaModule } from './ca/ca.module';
+import { CellularAutomationModule } from '../cellular-automation/cellular-automation.module';
+import { NewProgressBarModule } from '../ast/new-progress-bar/new-progress-bar.module';
+import { FullScreenRunnerModule } from './full-screen-runner/full-screen-runner.module';
+import { WebassemblyRunnerModule } from './webassembly-playground/webassembly-runner/webassembly-runner.module';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(WebassemblyComponent));
+
+@NgModule({
+  declarations: [
+    WebassemblyComponent,
+    WebassemblyPlaygroundComponent,
+    WasmBinaryComponent,
+    WebassemblyCodeModeComponent,
+    ErrorMessageComponent,
+    MonacoWatPositionDirective,
+    WasmTestRunnerComponent,
+    MonacoScrollingDirective,
+    MonacoJsPositionDirective,
+    MonacoWatLoadAnswerDirective,
+    WasmContentsComponent
+  ],
+  exports: [],
+  imports: [
+    StackModule,
+    MatButtonModule,
+    CommonModule,
+    SlidesModule,
+    CodeDemoModule,
+    FormsModule,
+    routes,
+    BinaryViewModule,
+    BinaryInlineModule,
+    SyncDirectivesModule,
+    VizModule,
+    CaModule,
+    CellularAutomationModule,
+    NewProgressBarModule,
+    FullScreenRunnerModule,
+    WebassemblyRunnerModule
+  ]
+})
+export class WebassemblyModule {}
diff --git a/codelab-master/apps/kirjs/src/assets/.gitkeep b/codelab-master/apps/kirjs/src/assets/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/assets/runner/index.html b/codelab-master/apps/kirjs/src/assets/runner/index.html
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/kirjs/src/environments/environment.prod.ts b/codelab-master/apps/kirjs/src/environments/environment.prod.ts
new file mode 100644
index 000000000..3c0f58714
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/environments/environment.prod.ts
@@ -0,0 +1,14 @@
+export const environment = {
+  production: true,
+
+  // Firebase
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
diff --git a/codelab-master/apps/kirjs/src/environments/environment.ts b/codelab-master/apps/kirjs/src/environments/environment.ts
new file mode 100644
index 000000000..942e92aed
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/environments/environment.ts
@@ -0,0 +1,26 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build ---prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false,
+
+  // Firebase
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
+
+/*
+ * In development mode, for easier debugging, you can ignore zone related error
+ * stack frames such as `zone.run`/`zoneDelegate.invokeTask` by importing the
+ * below file. Don't forget to comment it out in production mode
+ * because it will have a performance impact when errors are thrown
+ */
+import 'zone.js/dist/zone-error'; // Included with Angular CLI.
diff --git a/codelab-master/apps/kirjs/src/favicon.ico b/codelab-master/apps/kirjs/src/favicon.ico
new file mode 100644
index 000000000..8081c7cea
Binary files /dev/null and b/codelab-master/apps/kirjs/src/favicon.ico differ
diff --git a/codelab-master/apps/kirjs/src/index.html b/codelab-master/apps/kirjs/src/index.html
new file mode 100644
index 000000000..80e5292d3
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/index.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>Kirjs</title>
+    <base href="/" />
+    <link
+      href="https://fonts.googleapis.com/icon?family=Material+Icons"
+      rel="stylesheet"
+    />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+  </head>
+  <body>
+    <kirjs-main></kirjs-main>
+  </body>
+</html>
diff --git a/codelab-master/apps/kirjs/src/locale/kirjs.ru.xtb b/codelab-master/apps/kirjs/src/locale/kirjs.ru.xtb
new file mode 100644
index 000000000..e8dbc8c8d
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/locale/kirjs.ru.xtb
@@ -0,0 +1,142 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE translationbundle [
+<!ELEMENT translationbundle (translation)*>
+<!ATTLIST translationbundle lang CDATA #REQUIRED>
+
+<!ELEMENT translation (#PCDATA|ph)*>
+<!ATTLIST translation id CDATA #REQUIRED>
+<!ATTLIST translation desc CDATA #IMPLIED>
+<!ATTLIST translation meaning CDATA #IMPLIED>
+<!ATTLIST translation xml:space (default|preserve) "default">
+
+<!ELEMENT ph (#PCDATA|ex)*>
+<!ATTLIST ph name CDATA #REQUIRED>
+
+<!ELEMENT ex (#PCDATA)>
+]>
+<translationbundle lang="ru">
+  <translation id="introduction">Вступление</translation>
+  <translation id="297943560492772582">@kirjs</translation>
+  <translation id="2822488826106826578">JavaScript ❤️ Бинарные Данные</translation>
+  <translation id="199796482994564583">Двоичная система спрятана под большим количеством слоев абстракции</translation>
+  <translation id="4149332726076272416">В этом выступлении</translation>
+  <translation id="4749058246803727552">Давайте посмотрим что внутри  <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>gif<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="3597932961286677186">Заголовок</translation>
+  <translation id="8989873612204787281">Содержит информацию о размерах картинки, наличии и конфигурации глобальной палитры, и прозрачности.</translation>
+  <translation id="534812795985958361">Палитра (наличие и размер настраиваются в заголовке)</translation>
+  <translation id="3938479736078443805">Содержит проиндексированные цвета</translation>
+  <translation id="3548048205965117162">Расширения (необязательны)</translation>
+  <translation id="489855084993879246">Код самой картинки</translation>
+  <translation id="5838521644867201449">Блок с графическими свйоствами картинки</translation>
+  <translation id="931491989303959259">Настройки анимации</translation>
+  <translation id="3807699453257291879">Комментарии</translation>
+  <translation id="5510336295069197234">Конвертация из двоичной системы исчисления в десятичную с помощью JavaScript </translation>
+  <translation id="8654618120168558452">Конвертация из десятичной системы счисления в двоичную с помощью JavaScript</translation>
+  <translation id="6328086056731380089">Конвертация из двоичной системы счисления в шестнадцатиричную с помощью JavaScript</translation>
+  <translation id="3610726963919885246">Конвертация из шестнадцатиричной системы счисления в  двоичную с помощью JavaScript</translation>
+  <translation id="4735883542091123359">ПЕЉМЕЊ!!!</translation>
+  <translation id="5377037856556160771">Получение charCode из строки</translation>
+  <translation id="7025121863698322477">Получение символа из charCode
+</translation>
+  <translation id="7931653459498650396">Парсим бинарный файл (с помощью <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>binary-parser<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</translation>
+  <translation id="3731160866778187040">Можем ли мы использовать <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>бинарные данные <ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> вместо <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>JSON<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>?</translation>
+  <translation id="7852133356596779874">Размер после сериализации</translation>
+  <translation id="2742664813202759813">JSON</translation>
+  <translation id="2044194570562448530">Больше</translation>
+  <translation id="793068249425686908">Бинарные данные</translation>
+  <translation id="7774873943331135334">Меньше</translation>
+  <translation id="641664010209157570">Скорость сериализации</translation>
+  <translation id="2985059781575755822">Медленнее</translation>
+  <translation id="659233733431508399">Быстрее</translation>
+  <translation id="675502942307621158">Отладка</translation>
+  <translation id="74488306490404477">Простота понимания</translation>
+  <translation id="7679521196114828675">Понятно без сторонних инструментов</translation>
+  <translation id="4290458654577941433">Необходимы специальные инструменты</translation>
+  <translation id="9105483695831392309">Интсрументы</translation>
+  <translation id="2186589438043615872">В JS работает из коробки</translation>
+  <translation id="1721827980245086554">Схема</translation>
+  <translation id="2979028920132715625">Нету заданной схемы</translation>
+  <translation id="7108226176298610135">Нужна четкая схема (чаще всего)</translation>
+  <translation id="8657754663266965278">Бесплатная проверка типов </translation>
+  <translation id="9170265368266877102">Бесплатная валидация</translation>
+  <translation id="1257397640951538252">Существующие решения</translation>
+  <translation id="8643348940092477927"><ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Protocol buffers<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> (Google)</translation>
+  <translation id="5480246874668908377"><ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Flatbuffers<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> (Google)</translation>
+  <translation id="3516009209791088102"><ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Thrift<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> (Apache/Facebook)</translation>
+  <translation id="501698005128033255">Заголовки бинарных файлов
+</translation>
+  <translation id="497452967189052368">Gif - GIF87a (или GIF89a)</translation>
+  <translation id="734429310122802487">Jpeg - начинается с ‘FF D8‘ и заканчивается ‘FF D9&apos;</translation>
+  <translation id="6451047679707134711">Java класс - CAFEBABE</translation>
+  <translation id="8107803807883105295">ZIP - начинается с ‘PK‘ (50 4B)</translation>
+  <translation id="2598847161910848616">PDF файлы начинаются с ‘%PDF‘ (25 50 44 46)</translation>
+  <translation id="7492675950271746195">PNG файлы начинаются с  “\211 P N G \r \n 32 \n” (89 50 4E 47 0D 0A 1A 0A)</translation>
+  <translation id="4799145408495606287">HTTP2 - PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n</translation>
+  <translation id="2428219673022947728">Большая коллекция бинарных форматов</translation>
+  <translation id="4964093976179230239">https://formats.kaitai.io/</translation>
+  <translation id="7117028634376204882">Давайте посмотрим как хранятся данные в JavaScript</translation>
+  <translation id="3362352357730335601">Вот так хранятся типизированные массивы в других языках</translation>
+  <translation id="5747803473977552853">Факты о формате Gif</translation>
+  <translation id="3264831671739289198">Размер картинки: 1х1 to 65535х65535</translation>
+  <translation id="6873436420290828569">Цвета - 2-256</translation>
+  <translation id="8160048133378270611">Можно получить полноцветную картинку если заморочиться (но не нужно)</translation>
+  <translation id="8642911668882581757">Количество кадров анимации - не ограничено</translation>
+  <translation id="3688153131129835544">Задержка анимации - 1/100 - 655 seconds</translation>
+  <translation id="336946060573563813">Существовало расширение позволяющее накладывать текст на картинку</translation>
+  <translation id="8788288170627730529">Всего в стандарте 24 страницы  (+12 аппендикс)
+</translation>
+  <translation id="8031342257135808239">JavaScript ❤️ Бинарные данные</translation>
+  <translation id="6802387164374652684">kirjs.com/binary/0</translation>
+  <translation id="876108112502141396">Спасибо @andrey_sitnik и  @_bmsdave за ревью</translation>
+  <translation id="1742016744700285395">Это значение - всегда &quot;GIF&quot;</translation>
+  <translation id="1966011271871898521">Это всегда &quot;87a&quot; или &quot;89a&quot;</translation>
+  <translation id="2907179763619097754">Ширина картинки</translation>
+  <translation id="7454178759479297421">Высота картинки</translation>
+  <translation id="2190517453154346128">Флаг наличия глобальной палитры</translation>
+  <translation id="7419758577762656600">Глубина цвета в палитре (в битах)</translation>
+  <translation id="6279072752355765626">Флаг сортировки палитры по важности цвета.
+
+Нужен для экранов которые не поддерживают все 256 цветов, позволяет выбрать самые частые.</translation>
+  <translation id="6362281559063974384">Количество цветов в палитре (результат пропорционален двойке в указанной степени)</translation>
+  <translation id="4799068399800745526">Указывает индекс цвета в таблице, который будет использоваться в качестве прозрачного
+</translation>
+  <translation id="7155961055090586288">Пропорции пикселя</translation>
+  <translation id="8178615203242634427">Зарезервированные биты</translation>
+  <translation id="6797144872680228343">Действие после показа кадра:
+
+0) Ничего не делать.
+1) Оставить все как есть.
+2) Восстановить фон.
+3) Вернуть предыдущий кадр
+4-7) Возможно будут заданы в будущем.</translation>
+  <translation id="4537070299235731007">Этот бит не используется, но в теории позволял картинке реагировать на действия пользователя.</translation>
+  <translation id="7895980228479043030">Флаг, значение которого позволяет включить/выключить прозрачность для последующего кадра</translation>
+  <translation id="288524084616596078">Задержка анимации для следующего кадра</translation>
+  <translation id="2564139578844670282">Индекс прозрачного цвета</translation>
+  <translation id="7752598573515737652">Горизонтальный сдвиг кадра в пикселях</translation>
+  <translation id="3589525053629068000">Горизонтальные сдвиг кадра в пикселях</translation>
+  <translation id="1085666956292885352">Флаг,
+ значение которого задает наличие локальной палитры</translation>
+  <translation id="1603151697351855061">Флаг включающий/выключающий чересстрочную развёртку</translation>
+  <translation id="8035016501244287343">Флаг, значение которого задает наличие локальной палитры</translation>
+  <translation id="2408340429265484547">Размер локальной палитры</translation>
+  <translation id="1537375986743181008">Обозначает раширение Netscape, значение всегда 0x01</translation>
+  <translation id="6828342527983665872">Размер расширения в байтах</translation>
+  <translation id="3076441160662364443">Количество анимационных циклов </translation>
+  <translation id="8535614733470597054">Код картинки сжатые с помощью LZW</translation>
+  <translation id="fontSize">Если вам сложно различить цифры ниже, садитесь ближе или откройте слайды: <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>kirjs.com/binary/0<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="8136286563521868281">Что внутри бинарных файлов (картинки, видео, медиа, zip и пр.)?</translation>
+  <translation id="2538222517770638672">Передача бинарных данных (вместо JSON)</translation>
+  <translation id="12850250970925130">Как JavaScript хранит данные в памяти</translation>
+  <translation id="4240264931790119622">Чтобы понять бинарные данные нужна схема</translation>
+  <translation id="1001352917033632569">Бинарные данные</translation>
+  <translation id="6599425442176006164">01101000 01101111 01101100 01111001 00101110 01101010 01110011</translation>
+  <translation id="1818723279872967225">???</translation>
+  <translation id="3222970134911157017">Это строка в кодировке UTF-8 </translation>
+  <translation id="5260619836644538424">Данные в виде JSON (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{codeLength}}</ex>{{codeLength}}</ph> байт<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="1409409630239345307">Бинарные данные (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{binariesLength}}</ex>{{binariesLength}}</ph> байт<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></translation>
+  <translation id="6442265859744523188">Схема (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{schemaLength}}</ex>{{schemaLength}}</ph> bytes<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</translation>
+  <translation id="2648443831787605149">Непроиндексированная картинка</translation>
+  <translation id="3694360292158869661">Таблица цветов (Палитра)</translation>
+  <translation id="6121157875507934433">Проиндексированная картинка</translation>
+</translationbundle>
diff --git a/codelab-master/apps/kirjs/src/locale/messages.xmb b/codelab-master/apps/kirjs/src/locale/messages.xmb
new file mode 100644
index 000000000..b381d314f
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/locale/messages.xmb
@@ -0,0 +1,155 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE messagebundle [
+<!ELEMENT messagebundle (msg)*>
+<!ATTLIST messagebundle class CDATA #IMPLIED>
+
+<!ELEMENT msg (#PCDATA|ph|source)*>
+<!ATTLIST msg id CDATA #IMPLIED>
+<!ATTLIST msg seq CDATA #IMPLIED>
+<!ATTLIST msg name CDATA #IMPLIED>
+<!ATTLIST msg desc CDATA #IMPLIED>
+<!ATTLIST msg meaning CDATA #IMPLIED>
+<!ATTLIST msg obsolete (obsolete) #IMPLIED>
+<!ATTLIST msg xml:space (default|preserve) "default">
+<!ATTLIST msg is_hidden CDATA #IMPLIED>
+
+<!ELEMENT source (#PCDATA)>
+
+<!ELEMENT ph (#PCDATA|ex)*>
+<!ATTLIST ph name CDATA #REQUIRED>
+
+<!ELEMENT ex (#PCDATA)>
+]>
+<messagebundle>
+  <msg id="297943560492772582"><source>src/app/modules/binary/binary.component.html:10</source><source>src/app/modules/binary/binary.component.html:588</source>@kirjs</msg>
+  <msg id="2822488826106826578"><source>src/app/modules/binary/binary.component.html:11</source>️JavaScript ❤️ Binary </msg>
+  <msg id="fontSize"><source>src/app/modules/binary/binary.component.html:16,18</source>
+      If you can&apos;t read the numbers below, move closer or go to <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>kirjs.com/binary/0<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>
+    </msg>
+  <msg id="199796482994564583"><source>src/app/modules/binary/binary.component.html:25</source>Binary is hidden behind many layers of abstraction</msg>
+  <msg id="4149332726076272416"><source>src/app/modules/binary/binary.component.html:29</source>In this talk:</msg>
+  <msg id="8136286563521868281"><source>src/app/modules/binary/binary.component.html:31</source>Binary in files (images, video, other media, zip)</msg>
+  <msg id="2538222517770638672"><source>src/app/modules/binary/binary.component.html:32</source>Binary for data transfer (instead of JSON)</msg>
+  <msg id="12850250970925130"><source>src/app/modules/binary/binary.component.html:33</source>Javascript using binary in memory</msg>
+  <msg id="4749058246803727552"><source>src/app/modules/binary/binary.component.html:41</source>Let&apos;s see what&apos;s inside of <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>gif<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph></msg>
+  <msg id="4240264931790119622"><source>src/app/modules/binary/binary.component.html:87</source><source>src/app/modules/binary/binary.component.html:111</source> Binary data makes no sense without a schema</msg>
+  <msg id="1001352917033632569"><source>src/app/modules/binary/binary.component.html:90</source><source>src/app/modules/binary/binary.component.html:114</source>Binary data</msg>
+  <msg id="6599425442176006164"><source>src/app/modules/binary/binary.component.html:91</source><source>src/app/modules/binary/binary.component.html:115</source>01101000 01101111 01101100 01111001 00101110 01101010 01110011</msg>
+  <msg id="1721827980245086554"><source>src/app/modules/binary/binary.component.html:97</source><source>src/app/modules/binary/binary.component.html:121</source><source>src/app/modules/binary/binary.component.html:449</source>Schema</msg>
+  <msg id="1818723279872967225"><source>src/app/modules/binary/binary.component.html:98</source>Lol, what&apos;s this?</msg>
+  <msg id="3222970134911157017"><source>src/app/modules/binary/binary.component.html:122</source>This is UTF-8 string!</msg>
+  <msg id="3597932961286677186"><source>src/app/modules/binary/binary.component.html:167</source>Header</msg>
+  <msg id="8989873612204787281"><source>src/app/modules/binary/binary.component.html:169</source>Contains size, global pallets specs, transparency.</msg>
+  <msg id="534812795985958361"><source>src/app/modules/binary/binary.component.html:171</source>Palette (Optional, size defined ) </msg>
+  <msg id="3938479736078443805"><source>src/app/modules/binary/binary.component.html:173</source>Contains indexed colors</msg>
+  <msg id="3548048205965117162"><source>src/app/modules/binary/binary.component.html:175</source>Extensions (Optional)</msg>
+  <msg id="489855084993879246"><source>src/app/modules/binary/binary.component.html:178</source>Actual image data</msg>
+  <msg id="5838521644867201449"><source>src/app/modules/binary/binary.component.html:179</source>Image Control</msg>
+  <msg id="931491989303959259"><source>src/app/modules/binary/binary.component.html:180</source>Animation Control</msg>
+  <msg id="3807699453257291879"><source>src/app/modules/binary/binary.component.html:181</source>Comments</msg>
+  <msg id="5510336295069197234"><source>src/app/modules/binary/binary.component.html:214</source>Convert binary to decimal with JavaScript</msg>
+  <msg id="8654618120168558452"><source>src/app/modules/binary/binary.component.html:219</source>Convert decimal to binary</msg>
+  <msg id="6328086056731380089"><source>src/app/modules/binary/binary.component.html:241</source>Convert binary to hexadecimal with JavaScript</msg>
+  <msg id="3610726963919885246"><source>src/app/modules/binary/binary.component.html:246</source>Convert hexadecimal to binary with JavaScript</msg>
+  <msg id="4735883542091123359"><source>src/app/modules/binary/binary.component.html:278</source>ПЕЉМЕЊ!!!</msg>
+  <msg id="5377037856556160771"><source>src/app/modules/binary/binary.component.html:293</source>Get charcode from string</msg>
+  <msg id="7025121863698322477"><source>src/app/modules/binary/binary.component.html:298</source>Get letter from charcode</msg>
+  <msg id="7931653459498650396"><source>src/app/modules/binary/binary.component.html:334</source>Parsing binary(with <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>binary-parser<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</msg>
+  <msg id="3731160866778187040"><source>src/app/modules/binary/binary.component.html:355</source>Can we use <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>binary<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph> instead of <ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph>JSON<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>?</msg>
+  <msg id="7852133356596779874"><source>src/app/modules/binary/binary.component.html:368</source>Serialized Size</msg>
+  <msg id="2742664813202759813"><source>src/app/modules/binary/binary.component.html:372</source><source>src/app/modules/binary/binary.component.html:391</source><source>src/app/modules/binary/binary.component.html:410</source><source>src/app/modules/binary/binary.component.html:432</source><source>src/app/modules/binary/binary.component.html:452</source>JSON</msg>
+  <msg id="2044194570562448530"><source>src/app/modules/binary/binary.component.html:374</source>Bigger</msg>
+  <msg id="793068249425686908"><source>src/app/modules/binary/binary.component.html:379</source><source>src/app/modules/binary/binary.component.html:398</source><source>src/app/modules/binary/binary.component.html:420</source><source>src/app/modules/binary/binary.component.html:440</source><source>src/app/modules/binary/binary.component.html:460</source>Binary</msg>
+  <msg id="7774873943331135334"><source>src/app/modules/binary/binary.component.html:381</source>Smaller</msg>
+  <msg id="641664010209157570"><source>src/app/modules/binary/binary.component.html:388</source>Serialization speed</msg>
+  <msg id="2985059781575755822"><source>src/app/modules/binary/binary.component.html:393</source>Slower</msg>
+  <msg id="659233733431508399"><source>src/app/modules/binary/binary.component.html:400</source>Faster</msg>
+  <msg id="675502942307621158"><source>src/app/modules/binary/binary.component.html:407</source>Debugging</msg>
+  <msg id="74488306490404477"><source>src/app/modules/binary/binary.component.html:413</source>Easy to understand</msg>
+  <msg id="7679521196114828675"><source>src/app/modules/binary/binary.component.html:414</source>Human readable</msg>
+  <msg id="4290458654577941433"><source>src/app/modules/binary/binary.component.html:422</source><source>src/app/modules/binary/binary.component.html:442</source>Requires special tooling</msg>
+  <msg id="9105483695831392309"><source>src/app/modules/binary/binary.component.html:429</source>Tooling</msg>
+  <msg id="2186589438043615872"><source>src/app/modules/binary/binary.component.html:434</source>For JS works out of the box</msg>
+  <msg id="2979028920132715625"><source>src/app/modules/binary/binary.component.html:454</source>No schema</msg>
+  <msg id="7108226176298610135"><source>src/app/modules/binary/binary.component.html:462</source>Needs a schema</msg>
+  <msg id="8657754663266965278"><source>src/app/modules/binary/binary.component.html:463</source>Comes with type checking</msg>
+  <msg id="9170265368266877102"><source>src/app/modules/binary/binary.component.html:464</source>Comes with validation</msg>
+  <msg id="1257397640951538252"><source>src/app/modules/binary/binary.component.html:471</source>Existing solutions</msg>
+  <msg id="8643348940092477927"><source>src/app/modules/binary/binary.component.html:473</source><ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Protocol buffers<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> (Google)</msg>
+  <msg id="5480246874668908377"><source>src/app/modules/binary/binary.component.html:474</source><ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Flatbuffers<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> (Google)</msg>
+  <msg id="3516009209791088102"><source>src/app/modules/binary/binary.component.html:475</source><ph name="START_LINK"><ex>&lt;a&gt;</ex>&lt;a&gt;</ph>Thrift<ph name="CLOSE_LINK"><ex>&lt;/a&gt;</ex>&lt;/a&gt;</ph> (Apache/Facebook)</msg>
+  <msg id="501698005128033255"><source>src/app/modules/binary/binary.component.html:480</source>File header constants</msg>
+  <msg id="497452967189052368"><source>src/app/modules/binary/binary.component.html:482</source>Gif - GIF87a (or GIF89a)</msg>
+  <msg id="734429310122802487"><source>src/app/modules/binary/binary.component.html:483</source>Jpeg - begin with ‘FF D8‘ and end with ‘FF D9&apos;</msg>
+  <msg id="6451047679707134711"><source>src/app/modules/binary/binary.component.html:484</source>Java class - CAFEBABE</msg>
+  <msg id="8107803807883105295"><source>src/app/modules/binary/binary.component.html:485</source>ZIP files begin with ‘PK‘ (50 4B)</msg>
+  <msg id="2598847161910848616"><source>src/app/modules/binary/binary.component.html:486</source>PDF files start with ‘%PDF‘ (25 50 44 46)</msg>
+  <msg id="7492675950271746195"><source>src/app/modules/binary/binary.component.html:487</source>PNG image files begin with “\211 P N G \r \n 32 \n” (89 50 4E 47 0D 0A 1A 0A)</msg>
+  <msg id="4799145408495606287"><source>src/app/modules/binary/binary.component.html:488</source>HTTP2 - PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n</msg>
+  <msg id="2428219673022947728"><source>src/app/modules/binary/binary.component.html:493</source>Big library of binary formats</msg>
+  <msg id="4964093976179230239"><source>src/app/modules/binary/binary.component.html:494</source>https://formats.kaitai.io/</msg>
+  <msg id="7117028634376204882"><source>src/app/modules/binary/binary.component.html:499</source>Let&apos;s look at memory management in JS</msg>
+  <msg id="3362352357730335601"><source>src/app/modules/binary/binary.component.html:503</source>Let&apos;s see how memory works in typed arrays</msg>
+  <msg id="5747803473977552853"><source>src/app/modules/binary/binary.component.html:575</source>Gif facts</msg>
+  <msg id="3264831671739289198"><source>src/app/modules/binary/binary.component.html:577</source>Image size: 1х1 to 65535х65535</msg>
+  <msg id="6873436420290828569"><source>src/app/modules/binary/binary.component.html:578</source>Colors: 2 - 256</msg>
+  <msg id="8160048133378270611"><source>src/app/modules/binary/binary.component.html:579</source>True color gifs are possible</msg>
+  <msg id="8642911668882581757"><source>src/app/modules/binary/binary.component.html:580</source>Max number of animation frames - unlimited</msg>
+  <msg id="3688153131129835544"><source>src/app/modules/binary/binary.component.html:581</source>Animation delay 1/100 - 655 seconds</msg>
+  <msg id="336946060573563813"><source>src/app/modules/binary/binary.component.html:582</source>There&apos;s a plain text extension</msg>
+  <msg id="8788288170627730529"><source>src/app/modules/binary/binary.component.html:583</source>24 pages + 12 pages appendix in gif89 standard</msg>
+  <msg id="8031342257135808239"><source>src/app/modules/binary/binary.component.html:589</source>Binary ❤️ JavaScript</msg>
+  <msg id="6802387164374652684"><source>src/app/modules/binary/binary.component.html:590</source>kirjs.com/binary/0</msg>
+  <msg id="876108112502141396"><source>src/app/modules/binary/binary.component.html:591</source>Thanks @andrey_sitnik, @_bmsdave for review</msg>
+  <msg id="1742016744700285395"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:7</source>This is always &quot;GIF&quot;</msg>
+  <msg id="1966011271871898521"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:8</source>This is always &quot;87a&quot; or &quot;89a&quot;</msg>
+  <msg id="2907179763619097754"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:9</source><source>src/app/modules/binary/fake-gif/fake-gif.component.html:43</source>Width of the image</msg>
+  <msg id="7454178759479297421"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:10</source><source>src/app/modules/binary/fake-gif/fake-gif.component.html:44</source>Height of the image</msg>
+  <msg id="2190517453154346128"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:12</source>Whether global palette is present</msg>
+  <msg id="7419758577762656600"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:13</source>Number of bits per primary color available</msg>
+  <msg id="6279072752355765626"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:14</source>Whether the palette is sorted</msg>
+  <msg id="6362281559063974384"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:15,17</source>Specifies number of colors in the palette proportional a power of
+    two. e.g.
+  </msg>
+  <msg id="4799068399800745526"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:18,19</source>If present specifies index of a color in the global color table that would be transparent
+  </msg>
+  <msg id="7155961055090586288"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:20</source>Ratio of the pixel</msg>
+  <msg id="8178615203242634427"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:22</source>Reserved bits</msg>
+  <msg id="6797144872680228343"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:23,36</source>Disposal Method - Indicates the way in which the graphic is to
+    be treated after being displayed.
+
+    Values : 0 - No disposal specified. The decoder is
+    not required to take any action.
+    1 - Do not dispose. The graphic is to be left
+    in place.
+    2 - Restore to background color. The area used by the
+    graphic must be restored to the background color.
+    3 - Restore to previous. The decoder is required to
+    restore the area overwritten by the graphic with
+    what was there prior to rendering the graphic.
+    4-7 - To be defined.
+  </msg>
+  <msg id="4537070299235731007"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:37</source>Not used, the initial intention was to allow user interactions</msg>
+  <msg id="7895980228479043030"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:38</source>Whether the frame should have a transparent color</msg>
+  <msg id="288524084616596078"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:39</source>Animation delay for next image</msg>
+  <msg id="2564139578844670282"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:40</source>Optional transparent color index</msg>
+  <msg id="7752598573515737652"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:41</source>Horizontal shift in pixels</msg>
+  <msg id="3589525053629068000"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:42</source>Vertical shift in pixels</msg>
+  <msg id="1085666956292885352"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:45</source>Whether the image has local palette</msg>
+  <msg id="1603151697351855061"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:46</source>Indicates if the image is interlaced.</msg>
+  <msg id="8035016501244287343"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:47</source>Whether local palette is sorted</msg>
+  <msg id="2408340429265484547"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:48</source>Bucket of sizes of local palette.</msg>
+  <msg id="1537375986743181008"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:50,52</source>Identifies the Netscape Looping Extension. This field contains the fixed
+    value 0x01
+  </msg>
+  <msg id="6828342527983665872"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:53</source>Size of the extension block in bytes</msg>
+  <msg id="3076441160662364443"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:54</source>Number of animation loops</msg>
+  <msg id="8535614733470597054"><source>src/app/modules/binary/fake-gif/fake-gif.component.html:55</source>This is the actual image encoded with LZW</msg>
+  <msg id="5260619836644538424"><source>src/app/modules/binary/json/json.component.html:3</source>Data as JSON (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{codeLength}}</ex>{{codeLength}}</ph> bytes<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</msg>
+  <msg id="1409409630239345307"><source>src/app/modules/binary/json/json.component.html:10</source>Binary data (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{binariesLength}}</ex>{{binariesLength}}</ph> bytes<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</msg>
+  <msg id="6442265859744523188"><source>src/app/modules/binary/json/json.component.html:34</source>Schema (<ph name="START_BOLD_TEXT"><ex>&lt;b&gt;</ex>&lt;b&gt;</ph><ph name="INTERPOLATION"><ex>{{schemaLength}}</ex>{{schemaLength}}</ph> bytes<ph name="CLOSE_BOLD_TEXT"><ex>&lt;/b&gt;</ex>&lt;/b&gt;</ph>)</msg>
+  <msg id="2648443831787605149"><source>src/app/modules/binary/color-indexing/color-indexing.component.html:3</source>Unindexed image</msg>
+  <msg id="3694360292158869661"><source>src/app/modules/binary/color-indexing/color-indexing.component.html:13</source>Color table (Palette)</msg>
+  <msg id="6121157875507934433"><source>src/app/modules/binary/color-indexing/color-indexing.component.html:17</source>Indexed image</msg>
+  <msg id="introduction"><source>src/app/modules/react/react.component.html:5</source>Introduction</msg>
+</messagebundle>
diff --git a/codelab-master/apps/kirjs/src/main.ts b/codelab-master/apps/kirjs/src/main.ts
new file mode 100644
index 000000000..ab2e8e3fe
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/main.ts
@@ -0,0 +1,13 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { KirjsModule } from './app/kirjs.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic()
+  .bootstrapModule(KirjsModule)
+  .catch(err => console.log(err));
diff --git a/codelab-master/apps/kirjs/src/polyfills.ts b/codelab-master/apps/kirjs/src/polyfills.ts
new file mode 100644
index 000000000..404ffbccc
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/polyfills.ts
@@ -0,0 +1,5 @@
+import 'zone.js/dist/zone'; // Included with Angular CLI.
+
+(window as any).Buffer = {};
+(window as any).global = {};
+import '@angular/localize/init';
diff --git a/codelab-master/apps/kirjs/src/styles.css b/codelab-master/apps/kirjs/src/styles.css
new file mode 100644
index 000000000..c42a9b697
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/styles.css
@@ -0,0 +1,9 @@
+@import '~@angular/material/prebuilt-themes/indigo-pink.css';
+
+html,
+body {
+  width: 100%;
+  height: 100%;
+  padding: 0;
+  margin: 0;
+}
diff --git a/codelab-master/apps/kirjs/src/test.ts b/codelab-master/apps/kirjs/src/test.ts
new file mode 100644
index 000000000..16317897b
--- /dev/null
+++ b/codelab-master/apps/kirjs/src/test.ts
@@ -0,0 +1,20 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/dist/zone-testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: any;
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);
diff --git a/codelab-master/apps/kirjs/tsconfig.app.json b/codelab-master/apps/kirjs/tsconfig.app.json
new file mode 100644
index 000000000..c93a5a67c
--- /dev/null
+++ b/codelab-master/apps/kirjs/tsconfig.app.json
@@ -0,0 +1,11 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "resolveJsonModule": true,
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "exclude": ["test.ts", "**/*.spec.ts"]
+}
diff --git a/codelab-master/apps/kirjs/tsconfig.json b/codelab-master/apps/kirjs/tsconfig.json
new file mode 100644
index 000000000..480acf7bd
--- /dev/null
+++ b/codelab-master/apps/kirjs/tsconfig.json
@@ -0,0 +1,9 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "types": ["jasmine", "node"]
+  },
+  "angularCompilerOptions": {
+    "enableIvy": true
+  }
+}
diff --git a/codelab-master/apps/kirjs/tsconfig.spec.json b/codelab-master/apps/kirjs/tsconfig.spec.json
new file mode 100644
index 000000000..43c4640b7
--- /dev/null
+++ b/codelab-master/apps/kirjs/tsconfig.spec.json
@@ -0,0 +1,9 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": ["jasmine", "node"]
+  },
+  "files": ["src/test.ts", "src/polyfills.ts"],
+  "include": ["**/*.spec.ts", "**/*.d.ts"]
+}
diff --git a/codelab-master/apps/kirjs/tslint.json b/codelab-master/apps/kirjs/tslint.json
new file mode 100644
index 000000000..5ecf5c484
--- /dev/null
+++ b/codelab-master/apps/kirjs/tslint.json
@@ -0,0 +1,6 @@
+{
+  "extends": "../../tslint.json",
+  "linterOptions": {
+    "exclude": ["src/**/*.json"]
+  }
+}
diff --git a/codelab-master/apps/lis/browserslist b/codelab-master/apps/lis/browserslist
new file mode 100644
index 000000000..80848532e
--- /dev/null
+++ b/codelab-master/apps/lis/browserslist
@@ -0,0 +1,12 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11 # For IE 9-11 support, remove 'not'.
\ No newline at end of file
diff --git a/codelab-master/apps/lis/jest.config.js b/codelab-master/apps/lis/jest.config.js
new file mode 100644
index 000000000..57bacc927
--- /dev/null
+++ b/codelab-master/apps/lis/jest.config.js
@@ -0,0 +1,10 @@
+module.exports = {
+  name: 'lis',
+  preset: '../../jest.config.js',
+  coverageDirectory: '../../coverage/apps/lis',
+  snapshotSerializers: [
+    'jest-preset-angular/build/AngularNoNgAttributesSnapshotSerializer.js',
+    'jest-preset-angular/build/AngularSnapshotSerializer.js',
+    'jest-preset-angular/build/HTMLCommentSerializer.js'
+  ]
+};
diff --git a/codelab-master/apps/lis/src/app/app.component.css b/codelab-master/apps/lis/src/app/app.component.css
new file mode 100644
index 000000000..a55d1252e
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/app.component.css
@@ -0,0 +1,3 @@
+/*
+ * Remove template code below
+ */
diff --git a/codelab-master/apps/lis/src/app/app.component.html b/codelab-master/apps/lis/src/app/app.component.html
new file mode 100644
index 000000000..0680b43f9
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/app.component.html
@@ -0,0 +1 @@
+<router-outlet></router-outlet>
diff --git a/codelab-master/apps/lis/src/app/app.component.spec.ts b/codelab-master/apps/lis/src/app/app.component.spec.ts
new file mode 100644
index 000000000..207c79531
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/app.component.spec.ts
@@ -0,0 +1,33 @@
+import { TestBed, async } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+import { RouterTestingModule } from '@angular/router/testing';
+
+describe('AppComponent', () => {
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [RouterTestingModule],
+      declarations: [AppComponent]
+    }).compileComponents();
+  }));
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'lis'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('lis');
+  });
+
+  it('should render title', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('.content span').textContent).toContain(
+      'lis app is running!'
+    );
+  });
+});
diff --git a/codelab-master/apps/lis/src/app/app.component.ts b/codelab-master/apps/lis/src/app/app.component.ts
new file mode 100644
index 000000000..268647736
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.css']
+})
+export class AppComponent {
+  title = 'lis';
+}
diff --git a/codelab-master/apps/lis/src/app/app.module.ts b/codelab-master/apps/lis/src/app/app.module.ts
new file mode 100644
index 000000000..b45b9cd4b
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/app.module.ts
@@ -0,0 +1,45 @@
+import { APP_INITIALIZER, NgModule } from '@angular/core';
+import { AngularFireModule } from '@angular/fire';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { BrowserModule } from '@angular/platform-browser';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { RouterModule } from '@angular/router';
+import { monacoReady } from '@codelab/code-demos';
+import { environment } from '../../../codelab/src/environments/environment';
+
+import { AppComponent } from './app.component';
+
+export const AngularFireApp = AngularFireModule.initializeApp(
+  environment.firebaseConfig
+);
+
+@NgModule({
+  declarations: [AppComponent],
+  imports: [
+    BrowserModule,
+    BrowserAnimationsModule,
+    AngularFireDatabaseModule,
+    AngularFireAuthModule,
+    AngularFireApp,
+    RouterModule.forRoot(
+      [
+        {
+          path: '',
+          loadChildren: () =>
+            import('./modules/rxjs/rxjs.module').then(_ => _.RxjsModule)
+        }
+      ],
+      { initialNavigation: 'enabled' }
+    )
+  ],
+  providers: [
+    {
+      provide: APP_INITIALIZER,
+      useValue: monacoReady,
+      multi: true
+    }
+  ],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.css b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.html b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.html
new file mode 100644
index 000000000..cbc61b483
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.html
@@ -0,0 +1,31 @@
+<slide-deck slidesRouting slides-tracking>
+  <div *isPresenting slideShortcuts></div>
+  <div *isAdmin slideShortcuts></div>
+  <div *isOff><h1>🥺 There is no active session</h1></div>
+
+  <div><codelab-sync-button name="lis"></codelab-sync-button></div>
+
+  <div *slide id="test">
+    here
+    <div *isAdmin>isAdmin</div>
+    <div *isPresenting>isPresenting</div>
+    <div *isViewing>isViewing</div>
+  </div>
+
+  <div *slide id="registration">
+    <codelab-registration></codelab-registration>
+  </div>
+
+  <div *slide id="poll-0"><codelab-poll [poll]="polls[0]"></codelab-poll></div>
+
+  <div *slide id="rxjs"><code-demo [ngModel]="code"></code-demo></div>
+
+  <div *slide id="start"><h1>Hello</h1></div>
+
+  <div *slide id="list">
+    <ul>
+      <li>a</li>
+      <li>b</li>
+    </ul>
+  </div>
+</slide-deck>
diff --git a/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.spec.ts b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.spec.ts
new file mode 100644
index 000000000..05d1bfdf2
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.spec.ts
@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { RxjsComponent } from './rxjs.component';
+
+describe('RxjsComponent', () => {
+  let component: RxjsComponent;
+  let fixture: ComponentFixture<RxjsComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [RxjsComponent]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(RxjsComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.ts b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.ts
new file mode 100644
index 000000000..f4d2614fa
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.component.ts
@@ -0,0 +1,117 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-rxjs',
+  templateUrl: './rxjs.component.html',
+  styleUrls: ['./rxjs.component.css']
+})
+export class RxjsComponent implements OnInit {
+  code: Record<string, string> = {
+    'index.html': 'Lol',
+    'bootstrap.ts': `
+import { Injector } from '@angular/core';
+
+console.log(11230);
+     `
+  };
+  polls = [
+    {
+      key: 'favorite',
+      type: 'choice',
+      question: 'Which framework do you use most at work?',
+      options: [
+        'Angular',
+        'AngularJS',
+        'React',
+        'Vue',
+        'Svelte',
+        'jQuery',
+        'Something else'
+      ]
+    },
+    {
+      key: 'skill',
+      type: 'choice',
+      question: 'How well do you know angular?',
+      options: [
+        'Not at all',
+        'Somewhat',
+        'I can use it',
+        'Good',
+        'Really good',
+        "I'm Minko Fluin"
+      ]
+    },
+    {
+      key: 'build-dev',
+      type: 'choice',
+      question:
+        'how long does it take to rebuild your app in dev mode (and see the result via local dev server) - the total turnaround time',
+      options: [
+        '< 1 second',
+        '1 - 5 seconds',
+        '5 - 10 seconds',
+        '10 - 30 seconds',
+        '30 - 60 seconds',
+        '1-10 minutes',
+        'More than 10 minutes'
+      ]
+    },
+    {
+      key: 'build-prod',
+      type: 'choice',
+      question:
+        'how long does it take to create a production build of your app',
+      options: [
+        '< 1 second',
+        '1 - 5 seconds',
+        '5 - 10 seconds',
+        '10 - 30 seconds',
+        '30 - 60 seconds',
+        '1-10 minutes',
+        'More than 10 minutes'
+      ]
+    },
+    {
+      key: 'cli',
+      type: 'choice',
+      question: 'Which feature is NOT in CLI 8.3.0-next.2 ',
+      answer: 'New command ng make-this-awesome',
+      options: [
+        'Redesigned default app',
+        'New command ng make-this-awesome',
+        'Faster builds with enabled differential loading',
+        'New command ng deploy'
+      ]
+    },
+    {
+      key: 'tomorrow',
+      type: 'choice',
+      question: 'What is being released today?',
+      answer: 'CLI 9.0.0-next.0 with Ivy by default',
+      options: [
+        'CLI 9.0.0-next.0 with Ivy by default',
+        'RxJS 8',
+        'React 16.12',
+        'Angular XS'
+      ]
+    },
+    {
+      key: 'material',
+      type: 'choice',
+      question:
+        'Which feature was added to Angular CDK library 8.1.3 "gelatin-key" (2019-08-14)?',
+      answer: '',
+      options: [
+        'Windows 95 theme support',
+        'Drag and drop',
+        'New material-fox component',
+        'New Clipboard service + directive'
+      ]
+    }
+  ];
+
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.module.ts b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.module.ts
new file mode 100644
index 000000000..860cec38e
--- /dev/null
+++ b/codelab-master/apps/lis/src/app/modules/rxjs/rxjs.module.ts
@@ -0,0 +1,29 @@
+import { CommonModule } from '@angular/common';
+import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
+import { RouterModule } from '@angular/router';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { SyncPollModule } from '@codelab/utils/src/lib/sync/components/poll/sync-poll.module';
+import { SyncRegistrationModule } from '@codelab/utils/src/lib/sync/components/registration/sync-registration.module';
+import { SyncDirectivesModule } from '@codelab/utils/src/lib/sync/directives/sync-directives.module';
+import { SyncButtonModule } from '@codelab/utils/src/lib/sync/sync-button/sync-button.module';
+import { RxjsComponent } from './rxjs.component';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(RxjsComponent));
+
+@NgModule({
+  declarations: [RxjsComponent],
+  imports: [
+    CommonModule,
+    SlidesModule,
+    routes,
+    CodeDemoModule,
+    FormsModule,
+    SyncButtonModule,
+    SyncRegistrationModule,
+    SyncPollModule,
+    SyncDirectivesModule
+  ]
+})
+export class RxjsModule {}
diff --git a/codelab-master/apps/lis/src/assets/.gitkeep b/codelab-master/apps/lis/src/assets/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/lis/src/environments/environment.prod.ts b/codelab-master/apps/lis/src/environments/environment.prod.ts
new file mode 100644
index 000000000..3c0f58714
--- /dev/null
+++ b/codelab-master/apps/lis/src/environments/environment.prod.ts
@@ -0,0 +1,14 @@
+export const environment = {
+  production: true,
+
+  // Firebase
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
diff --git a/codelab-master/apps/lis/src/environments/environment.ts b/codelab-master/apps/lis/src/environments/environment.ts
new file mode 100644
index 000000000..46081e7e6
--- /dev/null
+++ b/codelab-master/apps/lis/src/environments/environment.ts
@@ -0,0 +1,27 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false,
+
+  // Firebase
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.
diff --git a/codelab-master/apps/lis/src/favicon.ico b/codelab-master/apps/lis/src/favicon.ico
new file mode 100644
index 000000000..317ebcb23
Binary files /dev/null and b/codelab-master/apps/lis/src/favicon.ico differ
diff --git a/codelab-master/apps/lis/src/index.html b/codelab-master/apps/lis/src/index.html
new file mode 100644
index 000000000..977c3cad0
--- /dev/null
+++ b/codelab-master/apps/lis/src/index.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>Lis</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+    <link
+      href="https://fonts.googleapis.com/icon?family=Material+Icons"
+      rel="stylesheet"
+    />
+  </head>
+  <body>
+    <codelab-root></codelab-root>
+  </body>
+</html>
diff --git a/codelab-master/apps/lis/src/main.ts b/codelab-master/apps/lis/src/main.ts
new file mode 100644
index 000000000..fa4e0aef3
--- /dev/null
+++ b/codelab-master/apps/lis/src/main.ts
@@ -0,0 +1,13 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic()
+  .bootstrapModule(AppModule)
+  .catch(err => console.error(err));
diff --git a/codelab-master/apps/lis/src/polyfills.ts b/codelab-master/apps/lis/src/polyfills.ts
new file mode 100644
index 000000000..2f258e56c
--- /dev/null
+++ b/codelab-master/apps/lis/src/polyfills.ts
@@ -0,0 +1,62 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE10 and IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags.ts';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js/dist/zone'; // Included with Angular CLI.
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
diff --git a/codelab-master/apps/lis/src/styles.css b/codelab-master/apps/lis/src/styles.css
new file mode 100644
index 000000000..323e3c52e
--- /dev/null
+++ b/codelab-master/apps/lis/src/styles.css
@@ -0,0 +1,10 @@
+/* You can add global styles to this file, and also import other style files */
+@import '~@angular/material/prebuilt-themes/indigo-pink.css';
+
+html,
+body {
+  width: 100%;
+  height: 100%;
+  padding: 0;
+  margin: 0;
+}
diff --git a/libs/firebase/src/test-setup.ts b/codelab-master/apps/lis/src/test-setup.ts
similarity index 100%
rename from libs/firebase/src/test-setup.ts
rename to codelab-master/apps/lis/src/test-setup.ts
diff --git a/codelab-master/apps/lis/tsconfig.app.json b/codelab-master/apps/lis/tsconfig.app.json
new file mode 100644
index 000000000..12dc81647
--- /dev/null
+++ b/codelab-master/apps/lis/tsconfig.app.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "files": ["src/main.ts", "src/polyfills.ts"],
+  "include": ["**/*.ts"],
+  "exclude": ["src/test-setup.ts", "**/*.spec.ts"]
+}
diff --git a/libs/firebase/tsconfig.json b/codelab-master/apps/lis/tsconfig.json
similarity index 100%
rename from libs/firebase/tsconfig.json
rename to codelab-master/apps/lis/tsconfig.json
diff --git a/libs/code-demos/tsconfig.spec.json b/codelab-master/apps/lis/tsconfig.spec.json
similarity index 100%
rename from libs/code-demos/tsconfig.spec.json
rename to codelab-master/apps/lis/tsconfig.spec.json
diff --git a/libs/intro/tslint.json b/codelab-master/apps/lis/tslint.json
similarity index 100%
rename from libs/intro/tslint.json
rename to codelab-master/apps/lis/tslint.json
diff --git a/codelab-master/apps/playground/browserslist b/codelab-master/apps/playground/browserslist
new file mode 100644
index 000000000..80848532e
--- /dev/null
+++ b/codelab-master/apps/playground/browserslist
@@ -0,0 +1,12 @@
+# This file is used by the build system to adjust CSS and JS output to support the specified browsers below.
+# For additional information regarding the format and rule options, please see:
+# https://github.com/browserslist/browserslist#queries
+
+# You can see what browsers were selected by your queries by running:
+#   npx browserslist
+
+> 0.5%
+last 2 versions
+Firefox ESR
+not dead
+not IE 9-11 # For IE 9-11 support, remove 'not'.
\ No newline at end of file
diff --git a/codelab-master/apps/playground/jest.config.js b/codelab-master/apps/playground/jest.config.js
new file mode 100644
index 000000000..38f1a4581
--- /dev/null
+++ b/codelab-master/apps/playground/jest.config.js
@@ -0,0 +1,10 @@
+module.exports = {
+  name: 'playground',
+  preset: '../../jest.config.js',
+  coverageDirectory: '../../coverage/apps/playground',
+  snapshotSerializers: [
+    'jest-preset-angular/build/AngularNoNgAttributesSnapshotSerializer.js',
+    'jest-preset-angular/build/AngularSnapshotSerializer.js',
+    'jest-preset-angular/build/HTMLCommentSerializer.js'
+  ]
+};
diff --git a/codelab-master/apps/playground/src/app/app.component.html b/codelab-master/apps/playground/src/app/app.component.html
new file mode 100644
index 000000000..0680b43f9
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/app.component.html
@@ -0,0 +1 @@
+<router-outlet></router-outlet>
diff --git a/codelab-master/apps/playground/src/app/app.component.scss b/codelab-master/apps/playground/src/app/app.component.scss
new file mode 100644
index 000000000..bd8c23046
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/app.component.scss
@@ -0,0 +1,133 @@
+/*
+ * Remove template code below
+ */
+:host {
+  display: block;
+  font-family: sans-serif;
+  min-width: 300px;
+  max-width: 1600px;
+  margin: 50px auto;
+}
+
+.gutter-left {
+  margin-left: 9px;
+}
+
+.col-span-2 {
+  grid-column: span 2;
+}
+
+.flex {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+header {
+  background-color: #143055;
+  color: white;
+  padding: 5px;
+  border-radius: 3px;
+}
+
+main {
+  padding: 0 36px;
+}
+
+p {
+  text-align: center;
+}
+
+h1 {
+  text-align: center;
+  margin-left: 18px;
+  font-size: 24px;
+}
+
+h2 {
+  text-align: center;
+  font-size: 20px;
+  margin: 40px 0 10px 0;
+}
+
+.resources {
+  text-align: center;
+  list-style: none;
+  padding: 0;
+  display: grid;
+  grid-gap: 9px;
+  grid-template-columns: 1fr 1fr;
+}
+
+.resource {
+  color: #0094ba;
+  height: 36px;
+  background-color: rgba(0, 0, 0, 0);
+  border: 1px solid rgba(0, 0, 0, 0.12);
+  border-radius: 4px;
+  padding: 3px 9px;
+  text-decoration: none;
+}
+
+.resource:hover {
+  background-color: rgba(68, 138, 255, 0.04);
+}
+
+pre {
+  padding: 9px;
+  border-radius: 4px;
+  background-color: black;
+  color: #eee;
+}
+
+details {
+  border-radius: 4px;
+  color: #333;
+  background-color: rgba(0, 0, 0, 0);
+  border: 1px solid rgba(0, 0, 0, 0.12);
+  padding: 3px 9px;
+  margin-bottom: 9px;
+}
+
+summary {
+  cursor: pointer;
+  outline: none;
+  height: 36px;
+  line-height: 36px;
+}
+
+.github-star-container {
+  margin-top: 12px;
+  line-height: 20px;
+}
+
+.github-star-container a {
+  display: flex;
+  align-items: center;
+  text-decoration: none;
+  color: #333;
+}
+
+.github-star-badge {
+  color: #24292e;
+  display: flex;
+  align-items: center;
+  font-size: 12px;
+  padding: 3px 10px;
+  border: 1px solid rgba(27, 31, 35, 0.2);
+  border-radius: 3px;
+  background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
+  margin-left: 4px;
+  font-weight: 600;
+}
+
+.github-star-badge:hover {
+  background-image: linear-gradient(-180deg, #f0f3f6, #e6ebf1 90%);
+  border-color: rgba(27, 31, 35, 0.35);
+  background-position: -0.5em;
+}
+.github-star-badge .material-icons {
+  height: 16px;
+  width: 16px;
+  margin-right: 4px;
+}
diff --git a/codelab-master/apps/playground/src/app/app.component.spec.ts b/codelab-master/apps/playground/src/app/app.component.spec.ts
new file mode 100644
index 000000000..45840ff39
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/app.component.spec.ts
@@ -0,0 +1,33 @@
+import { async, TestBed } from '@angular/core/testing';
+import { AppComponent } from './app.component';
+import { RouterTestingModule } from '@angular/router/testing';
+import { AppModule } from './app.module';
+
+describe('AppComponent', () => {
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [RouterTestingModule, AppModule]
+    }).compileComponents();
+  }));
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'playground'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('playground');
+  });
+
+  it('should render title', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('h1').textContent).toContain(
+      'Welcome to playground!'
+    );
+  });
+});
diff --git a/codelab-master/apps/playground/src/app/app.component.ts b/codelab-master/apps/playground/src/app/app.component.ts
new file mode 100644
index 000000000..a5db690f0
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss']
+})
+export class AppComponent {
+  title = 'playground';
+}
diff --git a/codelab-master/apps/playground/src/app/app.module.ts b/codelab-master/apps/playground/src/app/app.module.ts
new file mode 100644
index 000000000..6fb2f9130
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/app.module.ts
@@ -0,0 +1,72 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { APP_INITIALIZER, NgModule } from '@angular/core';
+
+import { AppComponent } from './app.component';
+import { RouterModule } from '@angular/router';
+import { monacoReady } from '@codelab/code-demos';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { HttpClientModule } from '@angular/common/http';
+import { environment } from '../environments/environment';
+import { AngularFireModule } from '@angular/fire';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+import { AngularFireAuthModule } from '@angular/fire/auth';
+import { MatGridListModule } from '@angular/material/grid-list';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatProgressSpinnerModule } from '@angular/material/progress-spinner';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatTooltipModule } from '@angular/material/tooltip';
+
+
+const routes = [
+  {
+    path: '',
+    redirectTo: 'code-sync',
+    pathMatch: 'full'
+  },
+  {
+    path: 'angular',
+    loadChildren: () =>
+      import('./playground/playground.module').then(m => m.PlaygroundModule)
+  },
+  {
+    path: 'code-sync',
+    loadChildren: () =>
+      import('./code-sync/code-sync.module').then(m => m.CodeSyncModule)
+  },
+  {
+    path: 'quiz',
+    loadChildren: () =>
+      import('./quiz/routing/quiz-routing.module').then(m => m.QuizRoutingModule)
+  }
+];
+
+export const AngularFireApp = AngularFireModule.initializeApp(
+  environment.firebaseConfig
+);
+
+@NgModule({
+  declarations: [AppComponent],
+  imports: [
+    BrowserModule,
+    BrowserAnimationsModule,
+    RouterModule.forRoot(routes, { initialNavigation: 'enabled' }),
+    HttpClientModule,
+    AngularFireApp,
+    AngularFireDatabaseModule,
+    AngularFireAuthModule,
+    MatGridListModule,
+    MatMenuModule,
+    MatProgressSpinnerModule,
+    MatToolbarModule,
+    MatTooltipModule
+  ],
+  providers: [
+    {
+      provide: APP_INITIALIZER,
+      useValue: monacoReady,
+      multi: true
+    }
+  ],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}
diff --git a/codelab-master/apps/playground/src/app/code-sync/code-sync.component.css b/codelab-master/apps/playground/src/app/code-sync/code-sync.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/playground/src/app/code-sync/code-sync.component.html b/codelab-master/apps/playground/src/app/code-sync/code-sync.component.html
new file mode 100644
index 000000000..14262457a
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/code-sync/code-sync.component.html
@@ -0,0 +1,11 @@
+<slide-deck slideShortcuts slidesRouting>
+  <div *isPresenting slideShortcuts></div>
+  <div *isAdmin slideShortcuts></div>
+  <div *isOff></div>
+
+  <div>
+    <codelab-sync-button name="code-sync"></codelab-sync-button>
+  </div>
+
+  <div *slide id="start"></div>
+</slide-deck>
diff --git a/codelab-master/apps/playground/src/app/code-sync/code-sync.component.spec.ts b/codelab-master/apps/playground/src/app/code-sync/code-sync.component.spec.ts
new file mode 100644
index 000000000..1c7efe5fc
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/code-sync/code-sync.component.spec.ts
@@ -0,0 +1,28 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { CodeSyncComponent } from './code-sync.component';
+import { CodeSyncModule } from './code-sync.module';
+import { RouterTestingModule } from '@angular/router/testing';
+import { getMockAngularFireProviders } from '@codelab/utils/src/lib/testing/mocks/angular-fire';
+
+describe('CodeSyncComponent', () => {
+  let component: CodeSyncComponent;
+  let fixture: ComponentFixture<CodeSyncComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [CodeSyncModule, RouterTestingModule],
+      providers: [getMockAngularFireProviders()]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(CodeSyncComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/playground/src/app/code-sync/code-sync.component.ts b/codelab-master/apps/playground/src/app/code-sync/code-sync.component.ts
new file mode 100644
index 000000000..577647ec1
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/code-sync/code-sync.component.ts
@@ -0,0 +1,12 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'codelab-code-sync',
+  templateUrl: './code-sync.component.html',
+  styleUrls: ['./code-sync.component.css']
+})
+export class CodeSyncComponent implements OnInit {
+  constructor() {}
+
+  ngOnInit() {}
+}
diff --git a/codelab-master/apps/playground/src/app/code-sync/code-sync.module.ts b/codelab-master/apps/playground/src/app/code-sync/code-sync.module.ts
new file mode 100644
index 000000000..19091eb80
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/code-sync/code-sync.module.ts
@@ -0,0 +1,23 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { SlidesModule, SlidesRoutes } from '@ng360/slides';
+import { RouterModule } from '@angular/router';
+import { CodeSyncComponent } from './code-sync.component';
+import { SyncButtonModule } from '@codelab/utils/src/lib/sync/sync-button/sync-button.module';
+import { SyncDirectivesModule } from '@codelab/utils/src/lib/sync/directives/sync-directives.module';
+import { AngularFireDatabaseModule } from '@angular/fire/database';
+
+const routes = RouterModule.forChild(SlidesRoutes.get(CodeSyncComponent));
+
+@NgModule({
+  declarations: [CodeSyncComponent],
+  imports: [
+    CommonModule,
+    SlidesModule,
+    routes,
+    SyncDirectivesModule,
+    SyncButtonModule,
+    AngularFireDatabaseModule
+  ]
+})
+export class CodeSyncModule {}
diff --git a/codelab-master/apps/playground/src/app/playground/angular-sample.ts b/codelab-master/apps/playground/src/app/playground/angular-sample.ts
new file mode 100644
index 000000000..fa1e5e82b
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/playground/angular-sample.ts
@@ -0,0 +1,26 @@
+export const angularSampleCode = {
+  'app.component.ts': `import { Component } from '@angular/core';
+
+@Component({
+  selector: 'my-app',
+  template: \`<h1>Edit me </h1>\`
+})
+export class AppComponent {}`,
+  'app.module.ts': `import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  imports: [BrowserModule],
+  declarations: [AppComponent],
+  bootstrap: [AppComponent]
+})
+export class AppModule {}`,
+
+  'main.ts': `import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+import { AppModule } from './app.module';
+
+platformBrowserDynamic().bootstrapModule(AppModule);
+`,
+  'index.html': '<my-app></my-app>'
+};
diff --git a/codelab-master/apps/playground/src/app/playground/playground.component.css b/codelab-master/apps/playground/src/app/playground/playground.component.css
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/playground/src/app/playground/playground.component.html b/codelab-master/apps/playground/src/app/playground/playground.component.html
new file mode 100644
index 000000000..ea1a4a542
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/playground/playground.component.html
@@ -0,0 +1,5 @@
+<code-demo
+  [(ngModel)]="code"
+  (ngModelChange)="handleUpdate($event)"
+  bootstrap="main"
+></code-demo>
diff --git a/codelab-master/apps/playground/src/app/playground/playground.component.spec.ts b/codelab-master/apps/playground/src/app/playground/playground.component.spec.ts
new file mode 100644
index 000000000..a426454eb
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/playground/playground.component.spec.ts
@@ -0,0 +1,38 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PlaygroundComponent } from './playground.component';
+import { PlaygroundModule } from './playground.module';
+import { ActivatedRoute, Router } from '@angular/router';
+
+describe('PlaygroundComponent', () => {
+  let component: PlaygroundComponent;
+  let fixture: ComponentFixture<PlaygroundComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [PlaygroundModule],
+      providers: [
+        {
+          provide: ActivatedRoute,
+          useValue: { snapshot: { queryParams: { code: '' } } }
+        },
+        {
+          provide: Router,
+          useValue: {
+            navigate: jasmine.createSpy('navigate')
+          }
+        }
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PlaygroundComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create!', () => {
+    expect(component).toBeTruthy();
+  });
+});
diff --git a/codelab-master/apps/playground/src/app/playground/playground.component.ts b/codelab-master/apps/playground/src/app/playground/playground.component.ts
new file mode 100644
index 000000000..6e82f60bc
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/playground/playground.component.ts
@@ -0,0 +1,34 @@
+import { Component } from '@angular/core';
+import { angularSampleCode } from './angular-sample';
+import { ActivatedRoute, Router } from '@angular/router';
+
+@Component({
+  selector: 'codelab-playground',
+  templateUrl: './playground.component.html',
+  styleUrls: ['./playground.component.css']
+})
+export class PlaygroundComponent {
+  code = angularSampleCode;
+
+  constructor(
+    private readonly activatedRoute: ActivatedRoute,
+    private readonly router: Router
+  ) {
+    const code = activatedRoute.snapshot.queryParams.code;
+    if (code) {
+      try {
+        this.code = { ...angularSampleCode, ...JSON.parse(atob(code)) };
+      } catch (e) {
+        console.log('can not parse code', code);
+      }
+    }
+  }
+
+  handleUpdate(code: any) {
+    const encoded = btoa(JSON.stringify(code));
+    this.router.navigate([], {
+      relativeTo: this.activatedRoute,
+      queryParams: { code: encoded }
+    });
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/playground/playground.module.ts b/codelab-master/apps/playground/src/app/playground/playground.module.ts
new file mode 100644
index 000000000..1f2e119ea
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/playground/playground.module.ts
@@ -0,0 +1,19 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+import { PlaygroundComponent } from './playground.component';
+import { RouterModule } from '@angular/router';
+import { CodeDemoModule } from '@codelab/code-demos';
+import { FormsModule } from '@angular/forms';
+import { FirebaseModule } from '@codelab/firebase';
+
+@NgModule({
+  declarations: [PlaygroundComponent],
+  imports: [
+    RouterModule.forChild([{ path: '', component: PlaygroundComponent }]),
+    CodeDemoModule,
+    CommonModule,
+    FormsModule,
+    FirebaseModule
+  ]
+})
+export class PlaygroundModule {}
diff --git a/codelab-master/apps/playground/src/app/quiz/animations/animations.ts b/codelab-master/apps/playground/src/app/quiz/animations/animations.ts
new file mode 100644
index 000000000..4e1d74915
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/animations/animations.ts
@@ -0,0 +1,24 @@
+import { animate, keyframes, style, transition, trigger } from '@angular/animations';
+
+/************** animation utilized in QuizSelectionComponent *********************/
+export const SlideLeftToRightAnimation = {
+  slideLeftToRight: trigger('slideLeftToRight', [
+    transition(':enter', [
+      style({transform: 'translateX(-100%)'}),
+      animate('500ms ease-in', style({transform: 'translateX(0%)'}))
+    ])
+  ])
+};
+
+/************** animation utilized in QuizComponent *********************/
+export const ChangeRouteAnimation = {
+  changeRoute: trigger('changeRoute', [
+    transition('* => animationStarted', [
+      animate('1s', keyframes([
+        style({transform: 'scale(1.0)'}),
+        style({transform: 'scale(1.3)'}),
+        style({transform: 'scale(1.0)'})
+      ]))
+    ]),
+  ])
+};
diff --git a/codelab-master/apps/playground/src/app/quiz/animations/index.ts b/codelab-master/apps/playground/src/app/quiz/animations/index.ts
new file mode 100644
index 000000000..5fbd24ec7
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/animations/index.ts
@@ -0,0 +1,2 @@
+export * from './animations';
+
diff --git a/codelab-master/apps/playground/src/app/quiz/components/index.ts b/codelab-master/apps/playground/src/app/quiz/components/index.ts
new file mode 100644
index 000000000..7a54be7a8
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/index.ts
@@ -0,0 +1,3 @@
+export * from './question/question.component';
+export * from './question/multiple-answer/multiple-answer.component';
+export * from './question/single-answer/single-answer.component';
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.html b/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.html
new file mode 100644
index 000000000..6cdcccfd0
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.html
@@ -0,0 +1,22 @@
+<div class="options" *ngFor="let option of currentQuestion.options; index as i">
+  <mat-checkbox (change)="setSelected(i)" [class]="option.className">
+    <span i18n>{{ i + 1 }}. {{ option.text }}</span>
+    <ng-container *ngIf="option.selected">
+      <i class="material-icons" *ngIf="option.correct">done</i>
+      <i class="material-icons" *ngIf="!option.correct">clear</i>
+    </ng-container>
+  </mat-checkbox>
+
+  <ng-container *ngIf="option.selected">
+    <section class="message">
+      <div *ngIf="option.correct">
+        <i class="material-icons">sentiment_very_satisfied</i>
+        <span class="correct-message" i18n>You&apos;re right! {{ correctMessage }}</span>
+      </div>
+      <div *ngIf="!option.correct">
+        <i class="material-icons">sentiment_very_dissatisfied</i>
+        <span class="wrong-message" i18n>That&apos;s wrong. {{ correctMessage }}</span>
+      </div>
+    </section>
+  </ng-container>
+</div>
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.scss b/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.scss
new file mode 100644
index 000000000..69673e8d0
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.scss
@@ -0,0 +1,33 @@
+.mat-checkbox-layout {
+  display: block !important;
+}
+div.mat-checkbox-inner-container {
+  display: none;
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-checkbox > i { vertical-align: middle !important; }
+  .correct-message, .wrong-message { width: 330px !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.ts b/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.ts
new file mode 100644
index 000000000..b94935ac2
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/multiple-answer/multiple-answer.component.ts
@@ -0,0 +1,15 @@
+import { ChangeDetectionStrategy, Component, ViewEncapsulation } from '@angular/core';
+
+import { QuizQuestionComponent } from '../question.component';
+
+@Component({
+  selector: "codelab-question-multiple-answer",
+  templateUrl: "./multiple-answer.component.html",
+  styleUrls: ["./multiple-answer.component.scss",
+              "../question.component.scss"
+  ],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  encapsulation: ViewEncapsulation.ShadowDom
+})
+export class MultipleAnswerComponent extends QuizQuestionComponent {}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/question.component.html b/codelab-master/apps/playground/src/app/quiz/components/question/question.component.html
new file mode 100644
index 000000000..6a9fa2c3f
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/question.component.html
@@ -0,0 +1,16 @@
+<ng-content></ng-content>
+
+<form [formGroup]="formGroup"
+      [ngSwitch]="multipleAnswer">
+  <codelab-question-single-answer
+    *ngSwitchCase="!multipleAnswer"
+    [question]="question"
+    (answer)="setSelected($event)">
+  </codelab-question-single-answer>
+
+  <codelab-question-multiple-answer
+    *ngSwitchCase="multipleAnswer"
+    [question]="question"
+    (answer)="setSelected($event)">
+  </codelab-question-multiple-answer>
+</form>
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/question.component.scss b/codelab-master/apps/playground/src/app/quiz/components/question/question.component.scss
new file mode 100644
index 000000000..9f8cc63b5
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/question.component.scss
@@ -0,0 +1,134 @@
+@import "variables";
+
+.options {
+  margin: 0 0 17.5px 6.5px;
+  padding: 5px;
+
+  mat-checkbox, mat-radio-button {
+    cursor: pointer;
+    display: inline-block;
+    width: 590px;
+    height: auto;
+    font-family: $font-stack;
+    font-size: 20px;
+    color: $dark-brown;
+    background-color: $light-gray;
+    border: 2px solid $medium-gray;
+    padding: 10px 5px 10px 30px;
+    margin-left: -5px;
+
+    &:hover {
+      border: 2px solid $vivid-blue;
+    }
+
+    &:first-child {
+      margin-top: -25px;
+    }
+  }
+
+  .correct {
+    background-color: $green;
+    border: 2px solid $vivid-blue;
+  }
+
+  .incorrect {
+    background-color: $red;
+    border: 2px solid $vivid-blue;
+  }
+
+  span {
+    white-space: normal;
+    margin-top: 5px;
+  }
+
+  i {
+    position: absolute;
+    right: 40px;
+  }
+}
+
+.message {
+  display: flex;
+  justify-content: center;
+  margin: 5px 15px 5px 0;
+
+  i {
+    font-size: 30px;
+    color: $light-yellow;
+    position: relative;
+    top: 10px;
+    left: 25px;
+  }
+
+  span {
+    font-family: $font-stack;
+    font-size: 17px;
+    font-style: italic;
+    font-weight: bold;
+    margin: 10px 0 0 -15px !important;
+    padding: 10px;
+    width: 570px;
+    display: inline-flex;
+    justify-content: center;
+    background: transparentize($light-gray, 0.5);
+  }
+
+  .correct-message {
+    border-color: $vivid-blue;
+    color: $dark-green;
+  }
+
+  .wrong-message {
+    border-color: $red;
+    color: $red;
+  }
+
+  .correct-message,
+  .wrong-message {
+    margin: -5px 0 -5px 25px;
+    border: 2px solid;
+    border-radius: 10px;
+  }
+}
+
+.material-icons {
+  font-family: "Material Icons", $font-stack;
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;
+  line-height: 1;
+  letter-spacing: normal;
+  text-transform: none;
+  display: inline-block;
+  white-space: nowrap;
+  word-wrap: normal;
+  direction: ltr;
+  -moz-font-feature-settings: 'liga';
+  -moz-osx-font-smoothing: grayscale;
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-checkbox, mat-radio-button { width: 360px !important; word-wrap: break-word !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/question.component.ts b/codelab-master/apps/playground/src/app/quiz/components/question/question.component.ts
new file mode 100644
index 000000000..a4b1789f5
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/question.component.ts
@@ -0,0 +1,94 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnInit,
+  Output,
+  SimpleChanges
+} from '@angular/core';
+import { FormControl, FormGroup, Validators } from '@angular/forms';
+
+import { Option, QuizQuestion } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+
+@Component({
+  selector: "codelab-quiz-question",
+  templateUrl: "./question.component.html",
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizQuestionComponent implements OnInit, OnChanges {
+  @Output() answer = new EventEmitter<number>();
+  @Input() question: QuizQuestion;
+  currentQuestion: QuizQuestion;
+  formGroup: FormGroup;
+  optionSelected: Option;
+  correctAnswers: Option[] = [];
+  correctMessage = "";
+  multipleAnswer: boolean;
+  alreadyAnswered = false;
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService
+  ) { }
+
+  ngOnInit(): void {
+    this.formGroup = new FormGroup({
+      answer: new FormControl(["", Validators.required])
+    });
+    this.sendMultipleAnswerToQuizService(this.multipleAnswer);
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (
+      changes.question &&
+      changes.question.currentValue !== changes.question.firstChange
+    ) {
+      this.currentQuestion = changes.question.currentValue;
+      this.correctAnswers = this.quizService.getCorrectAnswers(this.currentQuestion);
+      this.correctMessage = this.quizService.correctMessage;
+      this.multipleAnswer = this.correctAnswers.length > 1;
+
+      if (this.formGroup) {
+        this.formGroup.patchValue({ answer: "" });
+        this.alreadyAnswered = false;
+      }
+    }
+  }
+
+  setSelected(optionIndex: number): void {
+    this.alreadyAnswered = true;
+    this.answer.emit(optionIndex);
+
+    if (this.correctAnswers.length === 1) {
+      this.currentQuestion.options.forEach(option => {
+        option.selected = false;
+        option.className = "";
+      });
+    }
+    this.currentQuestion.options[optionIndex].selected = true;
+    this.optionSelected = this.currentQuestion.options[optionIndex];
+
+    if (
+      optionIndex >= 0 &&
+      this.currentQuestion &&
+      this.currentQuestion.options &&
+      this.currentQuestion.options[optionIndex]["correct"]
+    ) {
+      this.optionSelected.className = "correct";
+      this.timerService.stopTimer();
+      this.quizService.correctSound.play();
+      optionIndex = null;
+    } else {
+      this.optionSelected.className = "incorrect";
+      this.quizService.incorrectSound.play();
+    }
+  }
+
+  sendMultipleAnswerToQuizService(multipleAnswer: boolean): void {
+    this.quizService.setMultipleAnswer(multipleAnswer);
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.html b/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.html
new file mode 100644
index 000000000..aa9651db8
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.html
@@ -0,0 +1,22 @@
+<div class="options" *ngFor="let option of currentQuestion.options; index as i">
+  <mat-radio-button (change)="setSelected(i)" [class]="option.className">
+    <span i18n>{{ i + 1 }}. {{ option.text }}</span>
+    <ng-container>
+      <i class="material-icons" *ngIf="option.correct">done</i>
+      <i class="material-icons" *ngIf="!option.correct">clear</i>
+    </ng-container>
+  </mat-radio-button>
+
+  <ng-container *ngIf="option.selected">
+    <section class="message">
+      <div *ngIf="option.correct">
+        <i class="material-icons">sentiment_very_satisfied</i>
+        <span class="correct-message" i18n>You&apos;re right! {{ correctMessage }}</span>
+      </div>
+      <div *ngIf="!option.correct">
+        <i class="material-icons">sentiment_very_dissatisfied</i>
+        <span class="wrong-message" i18n>That&apos;s wrong. {{ correctMessage }}</span>
+      </div>
+    </section>
+  </ng-container>
+</div>
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.scss b/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.scss
new file mode 100644
index 000000000..62366b180
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.scss
@@ -0,0 +1,33 @@
+.mat-radio-layout {
+  display: block !important;
+}
+div.mat-radio-inner-container {
+  display: none;
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-checkbox > i { vertical-align: middle !important; }
+  .correct-message, .wrong-message { width: 330px !important; word-wrap: break-word !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.ts b/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.ts
new file mode 100644
index 000000000..dcb0ee4bd
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/components/question/single-answer/single-answer.component.ts
@@ -0,0 +1,14 @@
+import { ChangeDetectionStrategy, Component, ViewEncapsulation } from '@angular/core';
+
+import { QuizQuestionComponent } from '../question.component';
+
+@Component({
+  selector: "codelab-question-single-answer",
+  templateUrl: "./single-answer.component.html",
+  styleUrls: ["./single-answer.component.scss",
+              "../question.component.scss"
+  ],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  encapsulation: ViewEncapsulation.ShadowDom
+})
+export class SingleAnswerComponent extends QuizQuestionComponent {}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/index.ts b/codelab-master/apps/playground/src/app/quiz/containers/index.ts
new file mode 100644
index 000000000..5b7fe13e3
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/index.ts
@@ -0,0 +1,12 @@
+export * from './quiz/quiz.component';
+export * from './quiz-selection/quiz-selection.component';
+export * from './introduction/introduction.component';
+export * from './results/results.component';
+export * from './results/accordion/accordion.component';
+export * from './results/challenge/challenge.component';
+export * from './results/return/return.component';
+export * from './results/statistics/statistics.component';
+export * from './results/summary-report/summary-report.component';
+export * from './scoreboard/score/score.component';
+export * from './scoreboard/timer/timer.component';
+export * from './scoreboard/scoreboard.component';
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.html b/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.html
new file mode 100644
index 000000000..fb35c52f6
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.html
@@ -0,0 +1,40 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <mat-card *ngIf="quiz.quizId === (quizName$ | async)">
+    <mat-card-header>
+      <img mat-card-avatar class="header-image" loading="lazy" />
+      <mat-card-title-group>
+        <mat-card-title i18n>{{ quiz.milestone }} Quiz</mat-card-title>
+        <mat-card-subtitle i18n>
+          <span>How well versed are you in {{ quiz.milestone }}?</span>
+          <span>Take the quiz and find out!</span>
+        </mat-card-subtitle>
+      </mat-card-title-group>
+    </mat-card-header>
+
+    <img mat-card-image class="quiz-topic-image" [src]="imagePath + quiz.image" loading="lazy" />
+
+    <mat-card-content>
+      <span i18n><strong>{{ quiz.summary }}</strong>  This quiz is composed of
+        <strong>{{ quiz.questions.length }}</strong> timed multiple-choice
+        {{ quiz.questions.length === 1 ? 'question' : 'questions' }}. Taking this quiz should solidify your
+        understanding of {{ quiz.milestone }}. Beat the clock and match wits with your friends! Good luck and have fun
+        with this quiz. Share and enjoy!</span>
+    </mat-card-content>
+
+    <mat-card-actions>
+      <mat-checkbox (change)="onChange($event)" disableRipple="true">
+        <mat-checkbox-label labelPosition="after">Shuffle Questions and Answers</mat-checkbox-label>
+      </mat-checkbox>
+
+      <button
+        type="button"
+        mat-raised-button
+        disableRipple="true"
+        name="start quiz"
+        class="btn btn-outline-primary"
+        [routerLink]="['/quiz/question/', quiz.quizId, 1]">
+        <span i18n><strong>Start the Quiz!</strong>&nbsp;<mat-icon inline="true">play_arrow</mat-icon></span>
+      </button>
+    </mat-card-actions>
+  </mat-card>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.scss
new file mode 100644
index 000000000..d37af460e
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.scss
@@ -0,0 +1,82 @@
+@import "variables.scss";
+
+mat-card {
+  margin-top: 20px;
+
+  mat-card-header {
+    display: block;
+
+    .header-image {
+      margin: 5px 0 0 15px;
+    }
+  }
+
+  .quiz-topic-image {
+    display: flex;
+    justify-content: center;
+    width: 400px;
+    height: 280px;
+    margin-top: 20px;
+    margin: 0 auto;
+  }
+
+  mat-card-content {
+    display: flex;
+    justify-content: center;
+    margin-top: 5px;
+
+    span {
+      text-align: justify;
+    }
+  }
+
+  mat-card-actions {
+    text-align: center;
+    padding-bottom: 15px !important;
+
+    mat-checkbox {
+      text-align: center;
+    }
+
+    button {
+      display: block;
+      margin: 0 auto;
+      background-color: $vivid-blue;
+      color: $black;
+
+      &:hover {
+        border: 2px solid $vivid-blue;
+      }
+    }
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-card { width: 440px !important; height: auto !important; margin-bottom: 30px !important; }
+  img.header-image { margin-top: -10px !important; margin-left: -10px !important; }
+  mat-card-title { margin-left: -70px !important; }
+  mat-card-subtitle { margin-left: -120px !important; }
+
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.ts
new file mode 100644
index 000000000..297255cf3
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/introduction/introduction.component.ts
@@ -0,0 +1,37 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { Quiz } from '@codelab-quiz/shared/models/';
+import { QuizService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-quiz-intro',
+  templateUrl: './introduction.component.html',
+  styleUrls: ['./introduction.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class IntroductionComponent implements OnInit {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  imagePath = "assets/images/milestones/";
+
+  constructor(
+    private quizService: QuizService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(
+      map((segments) => segments[1].toString())
+    );
+  }
+
+  onChange($event): void {
+    if ($event.checked === true) {
+      this.quizService.setChecked($event.checked);
+    }
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.html b/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.html
new file mode 100644
index 000000000..6511853d2
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.html
@@ -0,0 +1,73 @@
+<div class="container">
+  <header class="row">
+    <div class="col logo">
+      <a href="https://www.codelab.fun" title="Angular Codelab" target="_blank">
+        <img mat-card-avatar src="assets/images/codelab_logo.jpeg" class="header-image" loading="lazy" />
+      </a>
+    </div>
+    <div class="col-8">
+      <h1 i18n>Angular Codelab Quiz App</h1>
+      <h4>How well do you know Angular? Find out!</h4>
+    </div>
+    <div class="col info">
+      <a href="https://www.github.com/codelab-fun/codelab/blob/master/README.md#angular-codelab---codelabfun" target="_blank">
+        <i class="material-icons" matTooltip="Angular Codelab info" matTooltipPosition="right">info</i>
+      </a>
+    </div>
+  </header>
+
+  <div class="toolbar">
+    <button mat-button [matMenuTriggerFor]="menu" aria-label="Milestones Menu">
+      <span i18n>Milestones &#x25BC;</span>
+    </button>
+    <mat-menu #menu="matMenu" xPosition="before">
+      <div *ngFor="let quiz of quizzes$ | async">
+        <button mat-menu-item name="milestone"
+                [routerLink]="['/quiz/intro/', quiz.quizId]"
+                data-i18n="quiz.milestone">{{ quiz.milestone }}
+        </button>
+      </div>
+    </mat-menu>
+  </div>
+
+  <div class="quiz-grid">
+      <div class="quiz-tile"
+        *ngFor="let quiz of quizzes$ | async"
+        [@slideLeftToRight]="animationState$ | async"
+        (@slideLeftToRight.done)="animationDoneHandler()"
+        [routerLink]="['/quiz/intro/', quiz.quizId]" loading="lazy"
+        [ngStyle]="{ 'background': 'url(' + imagePath + quiz.image + ') no-repeat center 10px',
+                     'background-size': '300px 210px' }">
+        <summary class="quiz-info">
+          <h5 class="quiz-title" i18n>{{ quiz.milestone }}</h5>
+          <h6 class="quiz-summary" i18n>{{ quiz.summary }}</h6>
+        </summary>
+
+        <div class="status-icon">
+          <span name="start" matTooltip="Start"
+                *ngIf="!selectionParams.quizCompleted ||
+                        selectionParams.status === 'Started' &&
+                        quiz.quizId === selectionParams.startedQuizId"
+                [routerLink]="['/quiz/intro/', quiz.quizId]">
+                <i class="material-icons">launch</i>
+          </span>
+          <span name="continue" matTooltip="Continue"
+                *ngIf="selectionParams.status === 'Continue' &&
+                       quiz.quizId === selectionParams.continueQuizId"
+                [routerLink]="['/quiz/question/', quiz.quizId, currentQuestionIndex]">
+                <i class="material-icons">play_arrow</i>
+          </span>
+          <span name="completed" matTooltip="Completed"
+                *ngIf="selectionParams.status === 'Completed' &&
+                       quiz.quizId === selectionParams.completedQuizId"
+                [routerLink]="['/quiz/results/', quiz.quizId]">
+            <i class="material-icons">done_all</i>
+          </span>
+        </div>
+      </div>
+    </div>
+
+  <footer>
+    <h3 i18n>Copyright &copy; 2021 <a target="_blank" href="https://www.codelab.fun">codelab.fun</a></h3>
+  </footer>
+</div>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.scss
new file mode 100644
index 000000000..073a27005
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.scss
@@ -0,0 +1,197 @@
+@import "variables";
+
+.container {
+  margin-top: 1%;
+  margin-bottom: 20px;
+  width: 1100px;
+  height: fit-content;
+  border-radius: 10px;
+  border: 2px solid $black;
+  background: transparentize($light-gray, 0.5);
+
+  header {
+    height: 100px;
+    display: grid;
+    grid-template-columns: 250px 850px 50px;
+    padding-bottom: 60px;
+
+    .logo {
+      padding-top: 20px;
+      padding-left: 30px;
+
+      img {
+        text-align: center;
+        width: 160px;
+        height: 80px;
+        cursor: pointer;
+      }
+    }
+
+    h1 {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      color: $dodger-blue;
+      margin-top: 15px;
+    }
+
+    h4 {
+      margin-left: 40px;
+      font-style: italic;
+    }
+
+    .info {
+      margin-top: 20px;
+      margin-left: -100px;
+
+      i {
+        font-size: 40px;
+
+        &:hover {
+          -webkit-transform: scale(1.3);
+          transform: scale(1.3);
+        }
+      }
+    }
+  }
+
+  .toolbar {
+    width: 220px;
+    padding-top: 30px;
+    margin: 0 auto;
+    background-color: transparentize($light-gray, 0.5);
+
+    button {
+      &:hover {
+        border: 1px solid $dodger-blue;
+      }
+
+      span {
+        font-size: 24px;
+        font-weight: 700;
+        color: $fire-red;
+      }
+    }
+  }
+
+  .quiz-grid {
+    margin: 10px 0 0 15px;
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+    grid-column-gap: 20px;
+    grid-row-gap: 20px;
+
+    .quiz-tile {
+      margin: 0 10px 20px 0;
+      width: 320px;
+      height: 350px;
+      background-color: $off-white;
+      border: 1px solid $black;
+      border-radius: 10px;
+      cursor: pointer;
+
+      &:hover {
+        background-color: $very-light-gray;
+        border: 2px solid $dodger-blue;
+        box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
+        transition: 0.3s;
+      }
+
+      &:active, &:visited {
+        border: 2px solid $dodger-blue;
+        box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
+        transition: 0.3s;
+      }
+
+      &.completed {
+        opacity: 0.6 !important;
+      }
+
+      .quiz-info {
+        list-style-type: none;
+        margin: 65% 0 0 5px;
+        padding: 10px;
+        width: 370px;
+        height: 110px;
+
+        .quiz-title {
+          font-weight: $font-weight-max;
+          margin-top: 20px;
+          color: $fire-red;
+        }
+
+        .quiz-summary {
+          font: 700 14px "Helvetica Neue", sans-serif;
+          text-align: justify;
+          width: 280px;
+        }
+      }
+
+      .status-icon {
+        position: relative;
+        top: -310px;
+        left: 285px;
+
+        i {
+          font-size: 24px;
+          color: $green-angular-leaf;
+        }
+      }
+    }
+  }
+
+  footer {
+    margin-bottom: 5px;
+    padding-top: 50px;
+    padding-bottom: 20px;
+
+    h3 {
+      font-weight: $font-weight-max;
+      color: $fire-red;
+      text-align: center;
+    }
+
+    a {
+      color: $fire-red;
+      text-decoration: none;
+    }
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  .container { width: 450px; height: fit-content; }
+  header { display: grid !important; grid-template-columns: 240px auto auto !important; height: fit-content !important; padding-bottom: 10px !important; }
+  .logo { width: 50px; height: 50px; margin-left: -20px !important; }
+  h1 { margin-left: -80px; display: inline-block !important; word-break: break-word !important; }
+  h4 { margin-left: -170px !important; margin-top: 15px !important; display: inline-block !important;
+    word-break: break-word !important; }
+  .toolbar { margin-top: 0 }
+  .quiz-grid { width: 420px; padding-bottom: 20px; display: grid !important; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important; grid-template-rows: auto !important; }
+  .quiz-tile {
+    width: 380px;
+    height: 370px;
+    margin-left: 30px !important;
+  }
+  footer { width: 440px; margin: 0 auto !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.ts
new file mode 100644
index 000000000..d53fd5771
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/quiz-selection/quiz-selection.component.ts
@@ -0,0 +1,35 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { BehaviorSubject, Observable } from 'rxjs';
+
+import { SlideLeftToRightAnimation } from '@codelab-quiz/animations/*';
+import { Quiz } from '@codelab-quiz/shared/models/';
+import { QuizService } from '@codelab-quiz/shared/services/*';
+
+type AnimationState = 'animationStarted' | 'none';
+
+@Component({
+  selector: 'codelab-quiz-selection',
+  templateUrl: './quiz-selection.component.html',
+  styleUrls: ['./quiz-selection.component.scss'],
+  animations: [SlideLeftToRightAnimation.slideLeftToRight],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizSelectionComponent implements OnInit {
+  quizzes$: Observable<Quiz[]>;
+  currentQuestionIndex: number;
+  selectionParams: Object = {};
+  animationState$ = new BehaviorSubject<AnimationState>('none');
+  imagePath = "assets/images/milestones/";
+
+  constructor(private quizService: QuizService) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.currentQuestionIndex = this.quizService.currentQuestionIndex;
+    this.selectionParams = this.quizService.returnQuizSelectionParams();
+  }
+
+  animationDoneHandler(): void {
+    this.animationState$.next('none');
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.html b/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.html
new file mode 100644
index 000000000..d0cc3a9af
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.html
@@ -0,0 +1,120 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <mat-card *ngIf="quiz.quizId === (quizName$ | async) &&
+                   question && questionIndex <= totalQuestions"
+            [@changeRoute]="animationState$ | async"
+            (@changeRoute.done)="animationDoneHandler()">
+
+    <mat-card-header class="container row">
+      <img mat-card-avatar
+           matTooltip="back to Codelab Quiz Selection" matTooltipPosition="left"
+           class="header-image col-3 col-sm-3 col-md-3 col-lg-3 col-xl-3"
+           loading="lazy" [routerLink]="['/quiz/select']">
+      <mat-card-title-group class="col-9">
+        <mat-card-title i18n>{{ quiz.milestone }} Quiz</mat-card-title>
+        <mat-card-subtitle i18n>Assess your knowledge of {{ quiz.milestone }}</mat-card-subtitle>
+      </mat-card-title-group>
+    </mat-card-header>
+
+    <mat-card-content>
+      <!-- scoreboard -->
+      <codelab-scoreboard></codelab-scoreboard>
+
+      <!-- question/explanation section -->
+      <section id="question" [ngClass]="!isAnswered() ? 'unanswered': 'answered'">
+				<div *ngIf="!isAnswered()" i18n>{{ question.questionText }}&nbsp;
+          <span class="number-correct" *ngIf="numberOfCorrectAnswers > 1">
+            <em>({{ numberOfCorrectAnswers }} answers are correct.)</em>
+          </span>
+				</div>
+        <div *ngIf="isAnswered()" i18n>
+          {{ numberOfCorrectAnswers === 1 ?
+          'Option ' + correctOptions + ' was correct because ' :
+          'Options ' + correctOptions + ' were correct because '
+          }}
+          {{ explanationText }}.
+        </div>
+      </section>
+
+      <!-- options -->
+      <codelab-quiz-question [question]="question" (answer)="selectedAnswer($event)">
+      </codelab-quiz-question>
+    </mat-card-content>
+
+    <mat-card-footer>
+      <!-- selection/next message -->
+      <ng-container *ngIf="!isAnswered(); else answered">
+				<span i18n class="selection-message">
+          Please select an option to continue&hellip;
+        </span>
+      </ng-container>
+      <ng-template #answered>
+				<span i18n class="next-message" *ngIf="question && questionIndex !== totalQuestions">
+          Please click the next button to continue&hellip;
+        </span>
+      </ng-template>
+
+      <!-- paging -->
+      <section class="paging">
+        <mat-card-actions [class.last-question]="isAnswered() && questionIndex === totalQuestions">
+          <div class="prev-question-nav" *ngIf="question && questionIndex > 1">
+            <button type="button"
+                    mat-icon-button
+                    (click)="advanceToPreviousQuestion()"
+                    (window:keydown.ArrowLeft)="advanceToPreviousQuestion()"
+                    matTooltip="&laquo; Previous Question"
+                    matTooltipPosition="above"
+                    aria-label="Previous Question">
+              <i class="material-icons">navigate_before</i>
+            </button>
+          </div>
+
+          <div class="restart-nav" *ngIf="question && questionIndex > 1 && questionIndex < totalQuestions">
+            <button type="button"
+                    mat-icon-button
+                    (click)="restartQuiz()"
+                    matTooltip="Restart Quiz"
+                    matTooltipPosition="above"
+                    aria-label="Restart Quiz">
+              <i class="material-icons">replay</i>
+            </button>
+          </div>
+
+          <div class="next-question-nav" *ngIf="question && questionIndex !== totalQuestions"
+               matTooltip="Next Question &raquo;" matTooltipPosition="above">
+            <button type="button"
+                    mat-icon-button
+                    [disabled]="!isAnswered()"
+                    (click)="advanceToNextQuestion()"
+                    (window:keydown.ArrowRight)="advanceToNextQuestion()"
+                    (window:keydown.Enter)="advanceToNextQuestion()"
+                    aria-label="Next Question">
+              <i class="material-icons">navigate_next</i>
+            </button>
+          </div>
+
+          <div class="show-score-nav" *ngIf="question && questionIndex === totalQuestions">
+            <button type="submit"
+                    mat-raised-button
+                    disableRipple="true"
+                    [disabled]="!isAnswered()"
+                    (click)="advanceToResults()"
+                    (window:keydown.Enter)="advanceToResults()"
+                    (window:keydown.ArrowRight)="advanceToResults()"
+                    class="btn btn-outline-primary"
+                    aria-label="Show Your Score">
+              <i class="material-icons">score</i>&nbsp;&nbsp;<strong>Show Your Score</strong>
+            </button>
+          </div>
+        </mat-card-actions>
+      </section>
+
+      <!-- progress bar -->
+      <section class="progress-bar" *ngIf="question && questionIndex > 1">
+        <ngb-progressbar max="100" type="success" [striped]="true" [animated]="true" [value]="progressValue"
+                         class="progress-bar bg-info">
+          <strong>{{ progressValue.toFixed(0) }}%</strong>
+        </ngb-progressbar>
+      </section>
+    </mat-card-footer>
+  </mat-card>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.scss
new file mode 100644
index 000000000..c9a9717a8
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.scss
@@ -0,0 +1,184 @@
+@import "variables";
+
+mat-card {
+  height: auto !important;
+
+  mat-card-header {
+    display: block;
+
+    .header-image {
+      margin-left: 0;
+    }
+
+    mat-card-title {
+      display: inline-block;
+      margin-top: 5px;
+      margin-left: 15px;
+      font-size: 36px;
+    }
+
+    mat-card-subtitle {
+      display: block;
+      float: right;
+      margin-right: -15px;
+      clear: both;
+    }
+  }
+
+  .unanswered {
+    border: 4px thick $vivid-blue;
+  }
+
+  .answered {
+    border: 2px solid $medium-gray !important;
+  }
+
+  #question {
+    float: left;
+    font-family: $font-stack;
+    font-size: 30px;
+    font-weight: 700;
+    margin: 0 0 35px 6.5px;
+    padding: 5px 10px 15px 20px;
+    background-color: $light-gray;
+    border: 2px solid $vivid-blue;
+    color: $dark-brown;
+    width: 630px;
+    height: auto;
+    vertical-align: middle;
+
+    .number-correct {
+      color: $dark-green;
+    }
+  }
+
+  mat-card-footer {
+    display: block;
+    margin-top: 200px !important;
+
+    .selection-message,
+    .next-message {
+      font-family: $font-stack;
+      font-size: 16px;
+      font-weight: bold;
+      font-style: italic;
+      display: flex;
+      justify-content: center;
+      margin-top: -190px;
+      margin-bottom: 20px;
+    }
+
+    .paging {
+      width: 640px;
+      margin-top: -10px;
+      margin-bottom: 20px;
+
+      .last-question {
+        margin-top: -180px !important;
+      }
+
+      mat-card-actions {
+        margin: 10px 0 45px 0;
+
+        .next-question-nav button,
+        .prev-question-nav button {
+          i {
+            font-size: 80px;
+            color: $dodger-blue;
+          }
+        }
+
+        .restart-nav button {
+          i {
+            font-size: 60px;
+            color: $dodger-blue;
+          }
+        }
+
+        .next-question-nav button {
+          margin-top: -20px;
+          margin-right: 30px;
+        }
+
+        .prev-question-nav {
+          float: left;
+          margin-left: 0;
+        }
+
+        .restart-nav {
+          float: left;
+          margin-left: 255px;
+        }
+
+        .next-question-nav {
+          float: right;
+          margin-right: -15px;
+        }
+
+        .prev-question-nav,
+        .next-question-nav,
+        .restart-nav {
+          transform: scale(1);
+          transition: 0.3s ease-in-out;
+        }
+
+        .prev-question-nav:hover,
+        .next-question-nav:hover,
+        .restart-nav:hover {
+          transform: scale(1.3);
+        }
+
+        .show-score-nav {
+          width: 150px;
+          margin: 35px auto;
+        }
+      }
+    }
+
+    .progress-bar {
+      width: 630px;
+      border-radius: 10px;
+      margin: 0 0 10px 15px;
+      background: $white;
+
+      ngb-progressbar {
+        height: 20px;
+      }
+    }
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-card { width: 440px !important; height: auto !important; margin-bottom: 30px !important; }
+  img.header-image { top: 0; left: 10px; height: 150px !important; width: 170px !important;}
+  mat-card-title { margin-left: 20px !important; }
+  mat-card-subtitle { margin-left: -100px !important; }
+  #question { width: 400px !important; word-wrap: break-word; }
+  .paging { width: 400px !important;
+    .restart-nav { margin-left: 35% !important; }
+  }
+  .progress-bar { width: 400px !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.ts
new file mode 100644
index 000000000..2d6debc1b
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/quiz/quiz.component.ts
@@ -0,0 +1,240 @@
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { BehaviorSubject, Observable, Subject } from 'rxjs';
+import { map, takeUntil } from 'rxjs/operators';
+
+import { ChangeRouteAnimation } from '@codelab-quiz/animations/';
+import { Quiz, QuizQuestion, QuizResource, Resource, Status } from '@codelab-quiz/shared/models/*';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+type AnimationState = 'animationStarted' | 'none';
+
+@Component({
+  selector: 'codelab-quiz-component',
+  templateUrl: './quiz.component.html',
+  styleUrls: ['./quiz.component.scss'],
+  animations: [ChangeRouteAnimation.changeRoute],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizComponent implements OnInit, OnDestroy {
+  quizData: Quiz[];
+  quizResources: QuizResource[];
+  quizzes$: Observable<Quiz[]>;
+  question: QuizQuestion;
+  questions: QuizQuestion[];
+  resources: Resource[];
+  answers: number[] = [];
+  questionIndex: number;
+  totalQuestions: number;
+  progressValue: number;
+  correctCount: number;
+
+  quizId: string;
+  quizName$: Observable<string>;
+  indexOfQuizId: number;
+  status: Status;
+
+  get multipleAnswer(): boolean {
+    return this.quizService.multipleAnswer;
+  }
+  get correctOptions(): string {
+    return this.quizService.correctOptions;
+  }
+  get explanationText(): string {
+    return this.quizService.explanationText;
+  }
+  get numberOfCorrectAnswers(): number {
+    return this.quizService.numberOfCorrectAnswers;
+  }
+
+  animationState$ = new BehaviorSubject<AnimationState>('none');
+  unsubscribe$ = new Subject<void>();
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute,
+    private router: Router
+  ) { }
+
+  ngOnInit(): void {
+    this.initializeQuizVariables();
+    this.shuffleQuestionsAndAnswers();
+
+    this.activatedRoute.params
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => {
+          this.totalQuestions = this.quizData[this.indexOfQuizId].questions.length;
+          this.quizService.setTotalQuestions(this.totalQuestions);
+
+          if (params.questionIndex) {
+            this.questionIndex = parseInt(params.questionIndex, 0);
+            this.quizService.currentQuestionIndex = this.questionIndex;
+
+            if (this.questionIndex === 1) {
+              this.status = Status.Started;
+              this.sendStartedQuizIdToQuizService();
+              this.progressValue = 0;
+            } else {
+              this.status = Status.Continue;
+              this.sendContinueQuizIdToQuizService();
+              this.progressValue = Math.ceil((this.questionIndex - 1) / this.totalQuestions * 100);
+            }
+
+            this.sendValuesToQuizService();
+          }
+      });
+
+    if (this.questionIndex === 1) {
+      this.quizService.correctAnswersCountSubject.next(0);
+    }
+
+    this.correctCount = this.quizService.correctAnswersCountSubject.getValue();
+    this.sendCorrectCountToQuizService(this.correctCount);
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  initializeQuizVariables(): void {
+    this.quizData = this.quizService.getQuiz();
+    this.quizResources = this.quizService.getResources();
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+    this.indexOfQuizId = this.quizData.findIndex((elem) => elem.quizId === this.quizId);
+  }
+
+  animationDoneHandler(): void {
+    this.animationState$.next('none');
+  }
+
+  isAnswered(): boolean {
+    return this.answers && this.answers.length > 0;
+  }
+
+  selectedAnswer(data): void {
+    const correctAnswers = this.question.options.filter((option) => option.correct);
+    if (correctAnswers.length > 1 && this.answers.indexOf(data) === -1) {
+      this.answers.push(data);
+    } else {
+      this.answers[0] = data;
+    }
+  }
+
+  checkIfAnsweredCorrectly(): void {
+    if (this.question) {
+      const correctAnswerFound = this.answers.find((answer) => {
+        return this.question.options &&
+          this.question.options[answer] &&
+          this.question.options[answer]["selected"] &&
+          this.question.options[answer]["correct"];
+      });
+
+      const answers = this.isAnswered() ? this.answers.map((answer) => answer + 1) : [];
+      this.quizService.userAnswers.push(this.isAnswered() ? answers : this.answers);
+
+      this.incrementScore(answers, correctAnswerFound);
+    }
+  }
+
+  incrementScore(answers: number[], correctAnswerFound: number): void {
+    if (correctAnswerFound > -1 && answers.length === this.quizService.numberOfCorrectAnswers) {
+      this.sendCorrectCountToQuizService(this.correctCount + 1);
+    }
+  }
+
+  shuffleQuestionsAndAnswers(): void {
+    if (this.quizService.checkedShuffle) {
+      this.quizService.shuffle(this.quizData[this.indexOfQuizId].questions);
+      this.quizService.shuffle(
+        this.quizData[this.indexOfQuizId].questions[this.quizService.currentQuestionIndex].options
+      );
+    }
+  }
+
+  /************************ paging functions *********************/
+  advanceToNextQuestion(): void {
+    this.checkIfAnsweredCorrectly();
+    this.answers = [];
+    this.status = Status.Continue;
+    this.animationState$.next('animationStarted');
+    this.quizService.navigateToNextQuestion();
+    this.timerService.resetTimer();
+  }
+
+  advanceToPreviousQuestion(): void {
+    this.answers = [];
+    this.status = Status.Continue;
+    this.animationState$.next('animationStarted');
+    this.quizService.navigateToPreviousQuestion();
+  }
+
+  advanceToResults(): void {
+    this.quizService.resetAll();
+    this.timerService.stopTimer();
+    this.timerService.resetTimer();
+    this.checkIfAnsweredCorrectly();
+    this.quizService.navigateToResults();
+  }
+
+  restartQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.timerService.stopTimer();
+    this.timerService.resetTimer();
+    this.timerService.elapsedTimes = [];
+    this.timerService.completionTime = 0;
+    this.answers = null;
+    this.router.navigate(["/quiz/intro/", this.quizId]).then();
+  }
+
+  /************** functions that send values to quiz service *****************/
+  private sendValuesToQuizService(): void {
+    this.sendQuizQuestionToQuizService();
+    this.sendQuizQuestionsToQuizService();
+    this.sendQuizIdToQuizService();
+    this.sendQuizResourcesToQuizService();
+    this.sendQuizStatusToQuizService();
+  }
+
+  private sendQuizQuestionToQuizService(): void {
+    this.question = this.quizData[this.indexOfQuizId].questions[this.questionIndex - 1];
+    this.quizService.setQuestion(this.question);
+  }
+
+  private sendQuizQuestionsToQuizService(): void {
+    this.questions = this.quizData[this.indexOfQuizId].questions;
+    this.quizService.setQuestions(this.questions);
+  }
+
+  private sendQuizResourcesToQuizService(): void {
+    this.resources = this.quizResources[this.indexOfQuizId].resources;
+    this.quizService.setResources(this.resources);
+  }
+
+  private sendQuizIdToQuizService(): void {
+    this.quizService.setQuizId(this.quizId);
+  }
+
+  private sendQuizStatusToQuizService(): void {
+    this.quizService.setQuizStatus(this.status);
+  }
+
+  private sendStartedQuizIdToQuizService(): void {
+    this.quizService.setStartedQuizId(this.quizId);
+  }
+
+  private sendContinueQuizIdToQuizService(): void {
+    this.quizService.setContinueQuizId(this.quizId);
+  }
+
+  private sendCorrectCountToQuizService(value: number): void {
+    this.correctCount = value;
+    this.quizService.sendCorrectCountToResults(this.correctCount);
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.html b/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.html
new file mode 100644
index 000000000..0fcbd42bd
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.html
@@ -0,0 +1,76 @@
+<mat-accordion [multi]="true" #accordion="matAccordion">
+  <mat-expansion-panel class="quiz-summary-question"
+                       *ngFor="let question of questions; let i = index"
+                       (opened)="panelOpenState = true"
+                       (closed)="panelOpenState = false"
+                       hideToggle="true">
+    <mat-expansion-panel-header>
+      <mat-panel-description>
+        <i class="material-icons accordion-icon" *ngIf="!panelOpenState">add</i>
+        <i class="material-icons accordion-icon" *ngIf="panelOpenState">remove</i>
+      </mat-panel-description>
+
+      <mat-panel-title>
+        <span class="question-leader" i18n>Question #{{ i + 1 }}: </span>&nbsp;&nbsp;
+        <span class="question-text" i18n>{{ question.questionText }}</span>
+      </mat-panel-title>
+
+      <ng-template matExpansionPanelContent>
+        <ul class="quiz-summary-fields" *ngIf="correctAnswers?.length >= 1">
+          <li i18n>
+            <span class="leader">Your Answer(s):</span>
+            <ng-container *ngIf="results.userAnswers[i]">
+              {{ results.userAnswers[i].length === 1 ? 'Option' : 'Options' }}
+              {{ results.userAnswers[i] | join }} &mdash;
+              <ng-container *ngFor="let item of results.userAnswers[i]; let isLast = last">
+                {{ question.options[item - 1].text }} <span *ngIf="!isLast"> AND </span>
+              </ng-container>
+              <i class="material-icons correct"
+                        *ngIf="checkIfAnswersAreCorrect(correctAnswers, results.userAnswers, i)">done</i>
+              <i class="material-icons incorrect"
+                        *ngIf="!checkIfAnswersAreCorrect(correctAnswers, results.userAnswers, i)">clear</i>
+            </ng-container>
+            <span *ngIf="!results.userAnswers[i] || results.userAnswers.length === 0">
+                          (no answer provided)
+            </span>
+          </li>
+          <li i18n>
+            <span class="leader">Correct Answer(s):</span>
+              {{ correctAnswers[i].answers[0].length === 1 ? 'Option' : 'Options' }}
+            <span *ngIf="correctAnswers.length === 1">
+              {{ correctAnswers[i].answers }} &mdash; {{ question.options[i].text }}
+            </span>
+            <span *ngIf="correctAnswers.length > 1">
+              {{ correctAnswers[i].answers[0] | join }} &mdash;
+              <ng-container *ngFor="let item of correctAnswers[i].answers[0]; let isLast = last">
+                {{ question.options[item - 1].text }} <span *ngIf="!isLast"> AND </span>
+              </ng-container>
+            </span>
+          </li>
+          <li i18n>
+            <span class="leader">Explanation:</span>
+            <span *ngIf="correctAnswers[i].answers[0].length === 1">
+              Option {{ correctAnswers[i].answers }} was correct because {{ question.explanation }}.
+            </span>
+            <span *ngIf="correctAnswers[i].answers[0].length > 1">
+              Options {{ correctAnswers[i].answers[0] | join }} were correct because {{ question.explanation }}.
+            </span>
+          </li>
+          <li i18n>
+            <span class="leader">Elapsed Time:</span>
+            <span>{{ results.elapsedTimes[i] }} seconds</span>
+          </li>
+        </ul>
+      </ng-template>
+    </mat-expansion-panel-header>
+  </mat-expansion-panel>
+</mat-accordion>
+
+<mat-action-row class="mat-accordion-buttons">
+  <a mat-raised-button class="btn" color="primary" title="expand all" (click)="openAllPanels()">
+    <strong>Expand All</strong>&nbsp;&nbsp;<i class="material-icons">expand_more</i>
+  </a> &nbsp;
+  <a mat-raised-button class="btn" color="primary" title="collapse all" (click)="closeAllPanels()">
+    <strong>Collapse All</strong>&nbsp;&nbsp;<i class="material-icons">expand_less</i>
+  </a>
+</mat-action-row>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.scss
new file mode 100644
index 000000000..be110df1e
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.scss
@@ -0,0 +1,96 @@
+@import "variables";
+
+mat-accordion {
+  clear: both;
+  padding-bottom: 20px;
+
+  mat-expansion-panel {
+    border: 2px solid $dark-blue;
+
+    &:hover {
+      border: 2px solid $vivid-blue;
+    }
+  }
+
+  mat-panel-title {
+    background-color: $light-gray;
+    color: $black;
+
+    .question-leader {
+      font-weight: $font-weight-max;
+      color: $darker-blue;
+      white-space: nowrap;
+    }
+    .question-text {
+      font-weight: 700;
+      font-style: italic;
+      color: $black;
+    }
+  }
+
+  .accordion-icon {
+    position: absolute;
+    left: 0;
+    margin-left: 25px;
+    color: $gray;
+    font-weight: $font-weight-max;
+    font-size: 20px;
+  }
+
+  .quiz-summary-question {
+    font-family: $font-stack;
+    font-size: 14px;
+    border: 2px solid $chambray-blue;
+    border-radius: 5px;
+    color: $black;
+    background-color: $light-gray;
+    margin-bottom: 15px;
+    padding: 10px;
+    text-align: left;
+
+    ul.quiz-summary-fields {
+      display: block !important;
+      margin-bottom: 10px;
+      text-align: left;
+
+      li {
+        display: block;
+        text-align: left;
+        font-size: 16px;
+        color: $darker-blue;
+        margin: 0 0 5px -30px;
+
+        .leader {
+          font-family: Roboto, "Helvetica Neue", sans-serif;
+          font-weight: 700;
+          display: inline;
+          background: none;
+          text-transform: inherit;
+          margin-left: -10px;
+        }
+
+        i {
+          font-size: larger;
+          top: 10px !important;
+        }
+
+        .correct {
+          color: $green;
+          font-weight: $font-weight-max;
+        }
+        .incorrect {
+          color: $red;
+          font-weight: $font-weight-max;
+        }
+      }
+    }
+  }
+}
+.mat-accordion-buttons {
+  display: flex;
+  justify-content: center;
+
+  button {
+    margin-right: 10px;
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.ts
new file mode 100644
index 000000000..34f2fa347
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/accordion/accordion.component.ts
@@ -0,0 +1,46 @@
+import { ChangeDetectionStrategy, Component, OnInit, ViewChild } from '@angular/core';
+import { MatAccordion } from '@angular/material/expansion';
+
+import { QuizQuestion, Result } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-results-accordion',
+  templateUrl: './accordion.component.html',
+  styleUrls: ['./accordion.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class AccordionComponent implements OnInit {
+  questions: QuizQuestion[];
+  correctAnswers: number[] = [];
+  results: Result = {
+    userAnswers: this.quizService.userAnswers,
+    elapsedTimes: this.timerService.elapsedTimes
+  };
+
+  @ViewChild('accordion', { static: false }) accordion: MatAccordion;
+  panelOpenState = false;
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService
+  ) { }
+
+  ngOnInit(): void {
+    this.questions = this.quizService.questions;
+    this.correctAnswers = this.quizService.correctAnswers;
+  }
+
+  checkIfAnswersAreCorrect(correctAnswers: any, userAnswers: any, index: number): boolean {
+    return !(!userAnswers[index] ||
+             userAnswers[index].length === 0 ||
+             userAnswers[index].find((answer) => correctAnswers[index].answers[0].indexOf(answer) === -1));
+  }
+
+  openAllPanels(): void {
+    this.accordion.openAll();
+  }
+  closeAllPanels(): void {
+    this.accordion.closeAll();
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.html b/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.html
new file mode 100644
index 000000000..299dbc697
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.html
@@ -0,0 +1,15 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <div class="challenge" *ngIf="quiz.quizId === (quizName$ | async)">
+    <h4>Challenge your friends!</h4>
+    <div class="social-buttons">
+      <!--<div class="fb-share-button" data-href="https://www.codelab.fun" data-layout="button" data-size="large">
+         <a class="btn facebook hvr-shutter-out-horizontal mdc-button mdc-button--outlined" title="Facebook" target="_blank"
+         href="https://www.facebook.com/sharer/sharer.php?u=I scored {{quizMetadata.percentage}}/100 on this awesome quiz about Angular {{quiz.milestone}}. Try to beat my score at &amp;hashtag=quiz&amp;url={{codelabUrl}}!%2F&amp;src=sdkpreparse" class="fb-xfbml-parse-ignore">Share your score</a>
+       </div>-->
+      <a class="btn twitter-share-button hvr-shutter-out-horizontal mdc-button mdc-button--outlined" title="Twitter" data-size="large" data-i18n="Twitter" target="_blank"
+         href="https://twitter.com/intent/tweet?text=I%20scored%20{{quizMetadata.percentage}}/100%20on%20this%20awesome%20quiz%20about%20Angular%20{{quiz.milestone}}.%20Try%20to%20beat%20my%20score%20at%20&amp;hashtag=quiz&amp;url={{codelabUrl}}!"><strong>Tweet your score</strong></a>
+      <a class="btn email hvr-shutter-out-horizontal mdc-button mdc-button--outlined" title="e-mail" data-size="large" data-i18n="Email" target="_blank"
+         href="mailto:?subject=Try to beat my quiz score!&amp;body=I scored {{ quizMetadata.percentage }}% on this awesome quiz about Angular {{quiz.milestone}}. Try to beat my score at {{ codelabUrl }}"><strong>Email a friend</strong></a>
+    </div>
+  </div>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.scss
new file mode 100644
index 000000000..2b7148d87
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.scss
@@ -0,0 +1,38 @@
+@import "variables";
+
+.challenge {
+  text-align: center;
+  padding-bottom: 15px;
+
+  .social-buttons {
+    display: inline-flex;
+    vertical-align: middle;
+
+    a.btn {
+      text-decoration: none;
+      margin-right: 20px;
+      padding: 9px 15px 8px 42px;
+      background: no-repeat 10px 5px;
+      background-size: 25px 25px;
+      color: $white;
+
+      &.facebook {
+        background-color: $dark-blue;
+        background-image: url($facebook-path);
+        top: 10px !important;
+      }
+
+      &.twitter-share-button {
+        background-color: $soft-blue;
+        background-image: url($twitter-path);
+        top: 10px !important;
+      }
+
+      &.email {
+        background-color: $fuel-yellow;
+        background-image: url($email-path);
+        top: 10px !important;
+      }
+    }
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.ts
new file mode 100644
index 000000000..afd25baea
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/challenge/challenge.component.ts
@@ -0,0 +1,42 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { Quiz, QuizMetadata } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+
+@Component({
+  selector: 'codelab-results-challenge',
+  templateUrl: './challenge.component.html',
+  styleUrls: ['./challenge.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ChallengeComponent implements OnInit {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizMetadata: Partial<QuizMetadata> = {
+    totalQuestions: this.quizService.totalQuestions,
+    totalQuestionsAttempted: this.quizService.totalQuestions,
+    correctAnswersCount$: this.quizService.correctAnswersCountSubject,
+    percentage: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+    completionTime: this.timerService.calculateTotalElapsedTime(this.timerService.elapsedTimes)
+  };
+  codelabUrl = "https://www.codelab.fun";
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+  }
+
+  calculatePercentageOfCorrectlyAnsweredQuestions(): number {
+    return Math.ceil(100 * this.quizService.correctAnswersCountSubject.getValue() / this.quizService.totalQuestions);
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.html b/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.html
new file mode 100644
index 000000000..3b56970ec
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.html
@@ -0,0 +1,28 @@
+<mat-card>
+  <mat-card-header>
+    <img mat-card-avatar class="header-image" loading="lazy" (click)="selectQuiz()"
+         matTooltip="back to Codelab Quiz Selection" matTooltipPosition="left" />
+    <mat-card-title i18n>Results</mat-card-title>
+  </mat-card-header>
+
+  <mat-card-content>
+    <section class="results">
+      <h3 i18n>Congratulations! You&apos;ve completed the quiz!</h3>
+      <codelab-results-statistics></codelab-results-statistics>
+
+      <section class="quiz-summary">
+        <details>
+          <summary i18n>Click to view a more detailed summary of your quiz&hellip;</summary>
+          <codelab-results-summary></codelab-results-summary>
+          <codelab-results-accordion></codelab-results-accordion>
+        </details>
+      </section>
+    </section>
+
+    <codelab-results-return></codelab-results-return>
+    <hr />
+    <codelab-results-challenge></codelab-results-challenge>
+  </mat-card-content>
+
+  <ng-back-to-top bgColor="#43e756" color="#006400"></ng-back-to-top>
+</mat-card>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.scss
new file mode 100644
index 000000000..1807bff2d
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.scss
@@ -0,0 +1,78 @@
+@import "variables";
+
+mat-card-header {
+  display: block;
+  margin-top: 20px !important;
+
+  .header-image {
+    margin-left: 10px;
+  }
+
+  mat-card-title {
+    font-family: 'Roboto', arial, sans-serif;
+    font-size: 48px !important;
+    font-style: italic;
+    font-weight: 900;
+    color: $green-angular-leaf;
+    text-shadow: 1px 0 0 $black,
+    0 -1px 0 $black,
+    0 1px 0 $black,
+    -1px 0 0 $black;
+  }
+}
+
+.results {
+  display: block;
+  clear: both;
+
+  h3 {
+    font-family: $congratulations-font;
+    font-size: 32px;
+    font-style: italic;
+    text-align: center;
+  }
+
+  .quiz-summary {
+    display: flex;
+    flex-direction: column;
+    margin-top: 20px;
+
+    details {
+      display: block;
+
+      summary {
+        font-size: 16px;
+        color: $vivid-blue;
+        font-weight: $font-weight-max;
+        outline: none;
+        text-align: center;
+      }
+    }
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-card { width: 440px !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.ts
new file mode 100644
index 000000000..9a0be449d
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/results.component.ts
@@ -0,0 +1,53 @@
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { Quiz } from '@codelab-quiz/shared/models/';
+import { QuizService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-quiz-results',
+  templateUrl: './results.component.html',
+  styleUrls: ['./results.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ResultsComponent implements OnInit, OnDestroy {
+  quizData: Quiz[];
+  quizId: string;
+  indexOfQuizId: number;
+  unsubscribe$ = new Subject<void>();
+
+  constructor(
+    private quizService: QuizService,
+    private activatedRoute: ActivatedRoute,
+    private router: Router
+  ) { }
+
+  ngOnInit(): void {
+    this.quizData = this.quizService.getQuiz();
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+    this.indexOfQuizId = this.quizData.findIndex((elem) => elem.quizId === this.quizId);
+    this.sendCompletedQuizIdToQuizService();
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  selectQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.quizId = '';
+    this.indexOfQuizId = 0;
+    this.router.navigate(["/quiz/select/"]).then();
+  }
+
+  private sendCompletedQuizIdToQuizService(): void {
+    this.quizService.setCompletedQuizId(this.quizId);
+  }
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.html b/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.html
new file mode 100644
index 000000000..a512f8a1a
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.html
@@ -0,0 +1,24 @@
+<section class="return" aria-labelledby="return">
+  <mat-card-actions>
+    <mat-nav-list>
+      <a class="btn hvr-radial-out mdc-button mdc-button--outlined" title="restart"
+         aria-labelledby="Restart" data-i18n="Restart" (click)="restartQuiz()">
+        <div class="mdc-button__ripple"></div>
+        <i class="material-icons mdc-button__icon" aria-hidden="true">power_settings_new</i>&nbsp;&nbsp;
+        <span class="mdc-button__label"><strong>Restart Quiz</strong></span>
+      </a>
+      <a class="btn hvr-radial-out mdc-button mdc-button--outlined" title="select quiz"
+         aria-labelledby="Select Quiz" data-i18n="Select Quiz" (click)="selectQuiz()">
+        <div class="mdc-button__ripple"></div>
+        <i class="material-icons mdc-button__icon" aria-hidden="true">select_all</i>&nbsp;&nbsp;
+        <span class="mdc-button__label"><strong>Select Quiz</strong></span>
+      </a>
+      <a class="btn hvr-radial-out mdc-button mdc-button--outlined" title="back to Codelab"
+         aria-labelledby="Back to Codelab" data-i18n="Back to Codelab" [href]="codelabUrl">
+        <div class="mdc-button__ripple"></div>
+        <i class="material-icons mdc-button__icon" aria-hidden="true">laptop</i>&nbsp;&nbsp;
+        <span class="mdc-button__label"><strong>Back to Codelab</strong></span>
+      </a>
+    </mat-nav-list>
+  </mat-card-actions>
+</section>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.scss
new file mode 100644
index 000000000..2236999da
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.scss
@@ -0,0 +1,86 @@
+@import "variables";
+
+.return {
+  clear: left;
+  text-align: center;
+  margin-top: 10px;
+
+  a.btn {
+    margin-right: 15px;
+    background-color: $light-sea-green;
+    color: $white;
+    border: 1px solid $black;
+    border-radius: 5px;
+  }
+
+  .mdc-button {
+    display: inline-flex;
+    vertical-align: middle;
+  }
+}
+
+/* add ripple effect to buttons */
+a.btn {
+  position: relative;
+  overflow: hidden;
+
+  &::after {
+    display: none;
+    content: "";
+    position: absolute;
+    border-radius: 50%;
+    background-color: rgba(0, 0, 0, 0.3);
+
+    width: 100px;
+    height: 100px;
+    margin-top: -50px;
+    margin-left: -50px;
+
+    /* Center the ripple */
+    top: 50%;
+    left: 50%;
+
+    animation: ripple 1s;
+    opacity: 0;
+  }
+  &:focus:not(:active)::after {
+    display: block;
+  }
+}
+
+@keyframes ripple {
+  from {
+    opacity: 1;
+    transform: scale(0);
+  }
+  to {
+    opacity: 0;
+    transform: scale(10);
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  a { margin-bottom: 10px !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.ts
new file mode 100644
index 000000000..94908e395
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/return/return.component.ts
@@ -0,0 +1,43 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { Router } from '@angular/router';
+
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+
+@Component({
+  selector: 'codelab-results-return',
+  templateUrl: './return.component.html',
+  styleUrls: ['./return.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ReturnComponent implements OnInit {
+  quizId: string;
+  indexOfQuizId: number;
+  codelabUrl = "https://www.codelab.fun";
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private router: Router
+  ) { }
+
+  ngOnInit(): void {
+    this.quizId = this.quizService.quizId;
+  }
+
+  restartQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.timerService.elapsedTimes = [];
+    this.timerService.completionTime = 0;
+    this.router.navigate(["/quiz/intro/", this.quizId]).then();
+  }
+
+  selectQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.quizId = '';
+    this.indexOfQuizId = 0;
+    this.router.navigate(["/quiz/select/"]).then();
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.html b/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.html
new file mode 100644
index 000000000..efb26ff0c
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.html
@@ -0,0 +1,57 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <div class="statistics" *ngIf="quiz.quizId === (quizName$ | async)">
+    <span class="your-score" i18n>
+      You scored <span class="result">{{ quizMetadata.correctAnswersCount$ | async }}</span> out of
+      <span class="result">{{ quizMetadata.totalQuestions }}</span>&nbsp;
+      <span class="result">({{ quizMetadata.percentage }}%)</span>
+      {{ quizMetadata.totalQuestions === 1 ? 'question' : 'questions' }} correctly.
+    </span>
+
+    <div class="quiz-feedback">
+      <div *ngIf="quizMetadata.percentage >= 80">
+        <img mat-card-image loading="lazy"
+             [src]="CONGRATULATIONS"
+             alt="Photo of 'Congratulations'"
+             i18n-title title="Congratulations" />
+      </div>
+      <div *ngIf="quizMetadata.percentage >= 60 && quizMetadata.percentage < 80">
+        <img mat-card-image loading="lazy"
+             [src]="NOT_BAD"
+             alt="Photo of 'Not Bad'"
+             i18n-title title="Not Bad" />
+      </div>
+      <div *ngIf="quizMetadata.percentage < 60">
+        <img mat-card-image loading="lazy"
+             [src]="TRY_AGAIN"
+             alt="Photo of 'Try Again'"
+             i18n-title title="Try Again" />
+
+        <p i18n>Brush up your knowledge of {{ quiz.milestone }} with these valuable resources:</p>
+        <ul *ngFor="let resource of resources">
+          <li i18n>
+            <a [href]="resource.url" target="_blank">
+              <span class="resource-title">{{ resource.title }}</span>
+            </a>,&nbsp;
+            <span class="resource-host">{{ resource.host }}</span>
+          </li>
+        </ul>
+      </div>
+    </div>
+
+    <ngb-progressbar
+      *ngIf="status === 'Completed'"
+      type="success"
+      [striped]="true"
+      [animated]="true"
+      [value]="quizMetadata.percentage"
+      class="progress-bar bg-success">
+      <strong>{{ quizMetadata.percentage }}%</strong>
+    </ngb-progressbar>
+
+    <span class="elapsed-time" i18n>
+      You completed the quiz in <span class="result">{{ elapsedMinutes }}</span>
+      {{ elapsedMinutes === 1 ? 'minute' : 'minutes' }} and
+      <span class="result">{{ elapsedSeconds }}</span> seconds.
+    </span>
+  </div>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.scss
new file mode 100644
index 000000000..f162a61c7
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.scss
@@ -0,0 +1,90 @@
+@import "variables";
+
+.statistics {
+  h3, span, .quiz-feedback {
+    text-align: center;
+  }
+
+  span {
+    display: block;
+  }
+
+  .your-score, .elapsed-time {
+    font-size: 18px;
+    font-weight: bold;
+  }
+
+  .result {
+    font-family: $font-stack;
+    font-size: 26px;
+    display: inline;
+  }
+
+  .progress-bar {
+    width: 400px;
+    margin: 0 auto;
+    border-radius: 10px;
+  }
+
+  .quiz-feedback {
+    margin-top: 20px;
+
+    img {
+      width: 180px;
+      height: 180px;
+      border-radius: 10px;
+      margin: 0 auto;
+      display: flex;
+      justify-content: center;
+      text-align: center;
+    }
+
+    ul {
+      line-height: 0.5;
+
+      li {
+        list-style-type: square;
+        text-align: left;
+        margin-left: 16%;
+        width: 500px;
+      }
+    }
+
+    .resource-title {
+      font-weight: bold;
+      font-style: italic;
+      display: inline;
+    }
+    .resource-host {
+      font-style: italic;
+      display: inline;
+    }
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  .quiz-feedback > ul { margin-left: -200px !important; }
+  ngb-progressbar { margin-top: 15px !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.ts
new file mode 100644
index 000000000..f1d26d78c
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/statistics/statistics.component.ts
@@ -0,0 +1,64 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { Quiz, QuizMetadata, Resource, Status } from '@codelab-quiz/shared/models/*';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-results-statistics',
+  templateUrl: './statistics.component.html',
+  styleUrls: ['./statistics.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class StatisticsComponent implements OnInit {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizId: string;
+  quizMetadata: Partial<QuizMetadata> = {
+    totalQuestions: this.quizService.totalQuestions,
+    totalQuestionsAttempted: this.quizService.totalQuestions,
+    correctAnswersCount$: this.quizService.correctAnswersCountSubject,
+    percentage: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+    completionTime: this.timerService.calculateTotalElapsedTime(this.timerService.elapsedTimes)
+  };
+  resources: Resource[];
+  status: Status;
+  elapsedMinutes: number;
+  elapsedSeconds: number;
+
+  imagePath = "assets/images/results/";
+  CONGRATULATIONS = this.imagePath.concat("congrats.gif");
+  NOT_BAD = this.imagePath.concat("not-bad.jpg");
+  TRY_AGAIN = this.imagePath.concat("try-again.jpeg");
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+    this.quizId = this.quizService.quizId;
+    this.resources = this.quizService.resources;
+    this.status = Status.Completed;
+    this.calculateElapsedTime();
+    this.sendQuizStatusToQuizService();
+  }
+
+  calculateElapsedTime(): void {
+    this.elapsedMinutes = Math.floor(this.quizMetadata.completionTime / 60);
+    this.elapsedSeconds = this.quizMetadata.completionTime % 60;
+  }
+
+  calculatePercentageOfCorrectlyAnsweredQuestions(): number {
+    return Math.ceil(100 * this.quizService.correctAnswersCountSubject.getValue() / this.quizService.totalQuestions);
+  }
+
+  private sendQuizStatusToQuizService(): void {
+    this.quizService.setQuizStatus(this.status);
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.html b/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.html
new file mode 100644
index 000000000..7f4e173cb
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.html
@@ -0,0 +1,64 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <div class="summary-report" *ngIf="quiz.quizId === (quizName$ | async)">
+    <h2>Summary Report</h2>
+    <div class="summary-icons">
+      <div class="print">
+        <a matTooltip="Print" aria-labelledby="Print" href="javascript:window.print()">
+          <i class="material-icons">print</i>
+        </a>
+      </div>
+      <div class="email">
+        <a target="_blank" matTooltip="E-mail" aria-labelledby="E-mail" href="mailto:?subject=Try to beat my quiz score!&amp;body=I scored {{ quizMetadata.percentage }}% on this awesome quiz about Angular {{quiz.milestone}}. Try to beat my score at {{ codelabUrl }}">
+          <i class="material-icons">email</i>
+        </a>
+      </div>
+      <div class="share">
+        <a target="_blank" matTooltip="Share on Twitter" aria-labelledby="Twitter" href="https://twitter.com/intent/tweet?text=I%20scored%20{{quizMetadata.percentage}}/100%20on%20this%20awesome%20quiz%20about%20Angular%20{{quiz.milestone}}.%20Try%20to%20beat%20my%20score%20at%20&amp;hashtag=quiz&amp;url={{codelabUrl}}!">
+          <i class="material-icons">share</i>
+        </a>
+      </div>
+    </div>
+
+    <ul class="summary-stats">
+      <li><span class="summary-stats-leader">
+        Your Score: </span> <span class="result">{{ quizMetadata.correctAnswersCount$ | async }}</span></li>
+      <li><span class="summary-stats-leader">
+        Total Questions: </span> <span class="result">{{ quizMetadata.totalQuestions }}</span></li>
+      <li><span class="summary-stats-leader">
+        Total Questions Attempted: </span> <span class="result">{{ quizMetadata.totalQuestionsAttempted }}</span></li>
+      <li><span class="summary-stats-leader">
+        Your Score (percentage): </span> <span class="result">{{ quizMetadata.percentage }}%</span></li>
+      <li><span class="summary-stats-leader">
+        Passing Score: </span> <span class="result">60%</span></li>
+      <li><span class="summary-stats-leader">
+        Test Status: </span> <span class="result">{{ quizMetadata.percentage > 60 ? 'Passed' : 'Failed' }}</span></li>
+      <li><span class="summary-stats-leader">
+        Time Elapsed: </span> <span class="result">{{ elapsedMinutes }}
+        {{ elapsedMinutes === 1 ? 'minute' : 'minutes' }} and {{ elapsedSeconds }} seconds</span></li>
+      <li><span class="summary-stats-leader">
+        Date/Time Completed: </span> <span class="result">{{ quizService.score.attemptDateTime | date:'medium' }}</span>
+    </ul><br />
+
+    <span *ngIf="checkedShuffle" class="quiz-note">
+      <i class="material-icons" matTooltip="quiz note" matTooltipPosition="left">announcement</i>&nbsp;
+      <strong><em>Note:</em></strong>&nbsp;Questions and answers were shuffled prior to the start of the quiz.
+    </span>
+
+    <details>
+      <summary i18n>View High Scores</summary>
+      <h2 class="high-scores-heading">High Scores</h2>
+      <table data-i18n="High Scores">
+        <tr i18n>
+          <th>Milestone</th>
+          <th>Score (%)</th>
+          <th>Date/Time</th>
+        </tr>
+        <tr *ngFor="let highScore of highScores" i18n>
+          <td>{{ highScore.quizId }}</td>
+          <td>{{ highScore.score }}</td>
+          <td>{{ highScore.attemptDateTime | date: 'medium' }}</td>
+        </tr>
+      </table>
+    </details>
+  </div>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.scss
new file mode 100644
index 000000000..2f0b01853
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.scss
@@ -0,0 +1,143 @@
+@import "variables";
+
+.summary-report {
+  border: 2px double $black;
+  margin: 0 auto;
+  margin-top: 15px;
+  margin-bottom: 25px;
+  width: 520px;
+  clear: both;
+  padding: 5px;
+
+  h2 {
+    text-align: center;
+    font-weight: $font-weight-max;
+  }
+
+  .summary-icons {
+    float: right;
+
+    a {
+      color: $gray;
+      text-decoration: none;
+    }
+
+    .print {
+      float: right;
+      margin-top: -40px;
+      margin-right: 60px;
+    }
+
+    .email {
+      float: right;
+      margin-top: -40px;
+      margin-right: 35px;
+    }
+
+    .share {
+      float: right;
+      margin-top: -40px;
+      margin-right: 10px;
+    }
+  }
+
+  ul {
+    margin-left: -15px;
+
+    li {
+      list-style-type: none;
+
+      .summary-stats-leader {
+        font-size: 16px;
+        font-weight: $font-weight-max;
+        color: $green-angular-leaf;
+      }
+
+      .result {
+        font-family: $font-stack;
+        font-size: 20px;
+      }
+    }
+  }
+
+  .quiz-note {
+    font-family: $font-stack;
+    font-size: 16px;
+    display: flex;
+    justify-content: center;
+    word-wrap: break-word;
+    margin-left: 10px;
+  }
+
+  details {
+    summary {
+      font-family: $font-stack;
+      text-align: center;
+      font-size: 16px;
+      font-weight: $font-weight-max !important;
+      color: $light-sea-green;
+    }
+
+    .high-scores-heading {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      text-align: center !important;
+    }
+
+    table {
+      margin-left: 5%;
+      margin-bottom: 15px;
+      font-family: $font-stack;
+
+      tr {
+        &:nth-child(even) {
+          background-color: $white-smoke;
+        }
+
+        &:hover {
+          background-color: $green;
+        }
+
+        th {
+          text-transform: uppercase;
+          border-bottom: 1px solid $black;
+          background-color: $dark-green;
+          color: $white;
+          text-align: center;
+          font-weight: $font-weight-max;
+        }
+      }
+
+      th, td {
+        padding-right: 20px;
+      }
+    }
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  .summary-report { width: 400px !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.ts
new file mode 100644
index 000000000..8bba0046b
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/results/summary-report/summary-report.component.ts
@@ -0,0 +1,52 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { Quiz, QuizMetadata, Score } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-results-summary',
+  templateUrl: './summary-report.component.html',
+  styleUrls: ['./summary-report.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class SummaryReportComponent implements OnInit {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizId: string;
+  quizMetadata: Partial<QuizMetadata> = {
+    totalQuestions: this.quizService.totalQuestions,
+    totalQuestionsAttempted: this.quizService.totalQuestions,
+    correctAnswersCount$: this.quizService.correctAnswersCountSubject,
+    percentage: this.quizService.calculatePercentageOfCorrectlyAnsweredQuestions(),
+    completionTime: this.timerService.calculateTotalElapsedTime(this.timerService.elapsedTimes)
+  };
+  elapsedMinutes: number;
+  elapsedSeconds: number;
+  checkedShuffle: boolean;
+  highScores: Score[];
+  codelabUrl = "https://www.codelab.fun";
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+    this.quizId = this.quizService.quizId;
+    this.checkedShuffle = this.quizService.checkedShuffle;
+    this.calculateElapsedTime();
+    this.quizService.saveHighScores();
+    this.highScores = this.quizService.highScores;
+  }
+
+  calculateElapsedTime(): void {
+    this.elapsedMinutes = Math.floor(this.quizMetadata.completionTime / 60);
+    this.elapsedSeconds = this.quizMetadata.completionTime % 60;
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.html b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.html
new file mode 100644
index 000000000..567409906
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.html
@@ -0,0 +1,23 @@
+<ng-container class="score">
+  <section class="mat-menu">
+    <mat-toolbar>
+      <button mat-button [matMenuTriggerFor]="scoreMenu" aria-label="Score Menu">
+        <span class="leader" i18n>Score &#x25BC;</span>
+      </button>
+      <mat-menu #scoreMenu="matMenu" xPosition="before">
+        <button mat-menu-item name="numerical" data-i18n="numerical" (click)="numericalScore()">
+          Numerical
+        </button>
+        <button mat-menu-item name="percentage" data-i18n="percentage" (click)="percentageScore()">
+          Percentage
+        </button>
+      </mat-menu>
+    </mat-toolbar>
+  </section>
+
+  <section class="scoreboard-score">
+		<span class="scoreboard" i18n>
+      {{ score$ | async }}
+    </span>
+  </section>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.scss
new file mode 100644
index 000000000..269c39e84
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.scss
@@ -0,0 +1,52 @@
+@import "variables";
+@import "mixins";
+
+.score {
+  float: left;
+  margin-left: 30px;
+
+  .mat-menu {
+    margin-left: -40px;
+
+    .leader, span.scoreboard {
+      margin-left: 40px;
+    }
+  }
+}
+
+.scoreboard-score {
+  margin-top: -10px;
+  margin-left: 5px;
+}
+
+mat-toolbar {
+  background-color: $white;
+
+  &:hover {
+    background-color: $white !important;
+  }
+
+  .leader {
+    margin-left: -35px !important;
+  }
+}
+button {
+  outline: none;
+  text-transform: uppercase;
+  font-family: $font-stack;
+}
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-toolbar {
+    margin-left: 20px !important;
+  }
+  .leader {
+    font-size: small !important;
+    margin-left: 20px !important;
+  }
+  span.scoreboard {
+    font-size: 24px !important;
+    margin-left: 20px !important;
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.ts
new file mode 100644
index 000000000..2f8e17e2d
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/score/score.component.ts
@@ -0,0 +1,55 @@
+import { Component, OnInit } from '@angular/core';
+import { Observable, of, Subject, Subscription } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { QuizService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: "codelab-scoreboard-score",
+  templateUrl: "./score.component.html",
+  styleUrls: ["./score.component.scss"]
+})
+export class ScoreComponent implements OnInit {
+  score: string;
+  score$: Observable<string>;
+  correctAnswersCount: number;
+  correctAnswersCount$: Observable<number>;
+  correctAnswersCountSubscription: Subscription;
+  totalQuestions: number;
+  unsubscribe$ = new Subject<void>();
+
+  constructor(private quizService: QuizService) { }
+
+  ngOnInit(): void {
+    this.correctAnswersCount$ = this.quizService.correctAnswersCountSubject;
+    this.totalQuestions = this.quizService.totalQuestions;
+    this.numericalScore();
+  }
+
+  numericalScore(): void {
+    this.correctAnswersCountSubscription = this.correctAnswersCount$
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((correctAnswersCount) => {
+          this.correctAnswersCount = correctAnswersCount;
+          this.score =
+            this.correctAnswersCount.toString() +
+            "/" +
+            this.totalQuestions.toString();
+          this.score$ = of(this.score);
+        });
+  }
+
+  percentageScore(): void {
+    this.correctAnswersCountSubscription = this.correctAnswersCount$
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((correctAnswersCount) => {
+          this.correctAnswersCount = correctAnswersCount;
+          this.score =
+            Math.ceil(
+              (this.correctAnswersCount / this.totalQuestions) * 100
+            ).toString() + "%";
+          this.score$ = of(this.score);
+      });
+  }
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.html b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.html
new file mode 100644
index 000000000..3953608fd
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.html
@@ -0,0 +1,5 @@
+<section class="scoreboard">
+  <codelab-scoreboard-score class="scoreboard-score"></codelab-scoreboard-score>
+  <span class="badge" i18n>Question {{ badgeQuestionNumber }} of {{ totalQuestions }}</span>
+  <codelab-scoreboard-timer class="scoreboard-timer"></codelab-scoreboard-timer>
+</section>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.scss
new file mode 100644
index 000000000..636119483
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.scss
@@ -0,0 +1,54 @@
+@import "variables";
+
+.scoreboard {
+  display: flex;
+  justify-content: space-between;
+  clear: both;
+
+  .scoreboard-score {
+    margin-left: 25px;
+  }
+
+  .scoreboard-timer {
+    margin-right: -10px;
+  }
+
+  .badge {
+    font-family: $font-stack;
+    font-size: 26px;
+    font-weight: $font-weight-max;
+    font-style: italic;
+    color: $dark-green;
+    margin: 30px 0 0 -20px;
+    padding: -10px 0;
+  }
+}
+
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  .scoreboard-score { margin-left: -10px !important; }
+  .badge { font-size: smaller; word-wrap: break-word; margin-left: -40px !important; }
+  scoreboard-timer { width: 100px !important; right: 50px !important; }
+}
+
+/* Small devices (landscape phones, 576px and up) */
+@media (min-width: 576px) and (max-width: 768px) {
+
+}
+
+/* Medium devices (tablets, 768px and up) */
+@media (min-width: 768px) and (max-width: 992px) {
+
+}
+
+/* Large devices (desktops, 992px and up) */
+@media (min-width: 992px) and (max-width: 1200px) {
+
+}
+
+/* Extra large devices (large desktops, 1200px and up) */
+@media (min-width: 1200px) {
+
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.ts
new file mode 100644
index 000000000..81032c564
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/scoreboard.component.ts
@@ -0,0 +1,51 @@
+import { Component, Input, OnInit, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-scoreboard',
+  templateUrl: './scoreboard.component.html',
+  styleUrls: ['./scoreboard.component.scss']
+})
+export class ScoreboardComponent implements OnInit, OnChanges, OnDestroy {
+  @Input() selectedAnswer: number;
+  answer: number;
+  totalQuestions: number;
+  badgeQuestionNumber: number;
+  unsubscribe$ = new Subject<void>();
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.selectedAnswer = this.answer;
+    this.totalQuestions = this.quizService.totalQuestions;
+
+    this.activatedRoute.params
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => {
+          if (params.questionIndex) {
+            this.badgeQuestionNumber = params.questionIndex;
+            this.timerService.resetTimer();
+          }
+    });
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (changes.selectedAnswer &&
+        changes.selectedAnswer.currentValue !== changes.selectedAnswer.firstChange) {
+      this.answer = changes.selectedAnswer.currentValue;
+    }
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.html b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.html
new file mode 100644
index 000000000..53185cc8b
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.html
@@ -0,0 +1,8 @@
+<ng-container class="time-left">
+  <label class="leader" i18n>
+    <strong>Time</strong>
+  </label>
+  <span class="scoreboard" i18n>
+    0:{{ timeLeft$ | async }}
+  </span>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.scss
new file mode 100644
index 000000000..978cf3fd0
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.scss
@@ -0,0 +1,11 @@
+@import "variables";
+@import "mixins";
+
+.time-left {
+  float: right;
+  width: 150px;
+
+  .leader, span.scoreboard {
+    margin: 5px 0 0 110px;
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.ts
new file mode 100644
index 000000000..15fe85600
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/time/time.component.ts
@@ -0,0 +1,59 @@
+import { Component, Input, OnChanges, SimpleChanges } from '@angular/core';
+import { concat, Observable, timer } from 'rxjs';
+import { first, repeatWhen, scan, shareReplay, skip, switchMapTo, takeUntil, tap } from 'rxjs/operators';
+
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-scoreboard-time',
+  templateUrl: './time.component.html',
+  styleUrls: ['./time.component.scss']
+})
+export class TimeComponent implements OnChanges {
+  @Input() set selectedAnswer(value) { this.answer = value; }
+  answer;
+  timeLeft$: Observable<number>;
+  timePerQuestion = 20;
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService
+  ) {
+    this.countdownClock();
+  }
+
+  ngOnChanges(changes: SimpleChanges) {
+    if (
+      changes.selectedAnswer &&
+      changes.selectedAnswer.currentValue !== changes.selectedAnswer.firstChange
+    ) {
+      this.answer = changes.selectedAnswer.currentValue;
+    }
+  }
+
+  countdownClock(): void {
+    const start$ = this.timerService.isStart.asObservable().pipe(shareReplay(1));
+    const reset$ = this.timerService.isReset.asObservable();
+    const stop$ = this.timerService.isStop.asObservable();
+
+    this.timeLeft$ = concat(start$.pipe(first()), reset$).pipe(
+      switchMapTo(
+        timer(0, 1000).pipe(
+          scan((acc) => acc > 0 ? (acc - 1 >= 10 ? acc - 1 : `0${acc - 1}`)
+                                                  : acc, this.timePerQuestion)
+        )
+      ),
+      takeUntil(stop$.pipe(skip(1))),
+      repeatWhen(completeSubj =>
+        completeSubj.pipe(
+          switchMapTo(
+            start$.pipe(
+              skip(1),
+              first()
+            )
+          )
+        )
+      )
+    ).pipe(tap((value: number) => this.timerService.setElapsed(this.timePerQuestion - value)));
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.html b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.html
new file mode 100644
index 000000000..b1d7a5525
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.html
@@ -0,0 +1,23 @@
+<ng-container class="timer">
+  <section class="mat-menu">
+    <mat-toolbar>
+      <button mat-button [matMenuTriggerFor]="timerMenu" aria-label="Timer Menu">
+        <span class="leader" i18n>Timer &#x25BC;</span>
+      </button>
+      <mat-menu #timerMenu="matMenu" xPosition="before">
+        <button mat-menu-item name="countdown" data-i18n="countdown" (click)="countdown()">
+          Countdown
+        </button>
+        <button mat-menu-item name="stopwatch" data-i18n="stopwatch" (click)="stopwatch()">
+          Stopwatch
+        </button>
+      </mat-menu>
+    </mat-toolbar>
+  </section>
+
+  <section class="scoreboard-timer">
+    <span class="scoreboard" i18n>
+      0:{{ time$ | async | number: '2.0-0' }}
+    </span>
+  </section>
+</ng-container>
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.scss b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.scss
new file mode 100644
index 000000000..222751738
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.scss
@@ -0,0 +1,52 @@
+@import "variables";
+@import "mixins";
+
+.timer {
+  float: right;
+  width: 150px;
+
+  .mat-menu {
+    margin-left: -60px;
+
+    .leader, span.scoreboard {
+      margin-left: -40px;
+    }
+  }
+}
+
+.scoreboard-timer {
+  margin-top: -10px;
+  margin-left: -10px;
+}
+
+mat-toolbar {
+  background-color: $white;
+
+  &:hover {
+    background-color: $white !important;
+  }
+
+  .leader {
+    margin-left: -40px !important;
+  }
+}
+button {
+  outline: none;
+  text-transform: uppercase;
+  font-family: $font-stack;
+}
+
+/* Extra small devices (portrait phones, less than 576px) */
+@media (max-width: 576px) {
+  mat-toolbar {
+    margin-left: 0 !important;
+  }
+  .leader {
+    font-size: small !important;
+    margin-left: 20px !important;
+  }
+  span.scoreboard {
+    font-size: 24px !important;
+    margin-left: 0 !important;
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.ts b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.ts
new file mode 100644
index 000000000..4382571ab
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/containers/scoreboard/timer/timer.component.ts
@@ -0,0 +1,88 @@
+import { Component, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core';
+import { concat, Observable, timer } from 'rxjs';
+import { first, repeatWhen, scan, skip, switchMapTo, take, takeUntil, tap } from 'rxjs/operators';
+
+import { TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-scoreboard-timer',
+  templateUrl: './timer.component.html',
+  styleUrls: ['./timer.component.scss']
+})
+export class TimerComponent implements OnInit, OnChanges {
+  @Input() selectedAnswer: number;
+  answer: number;
+  timePerQuestion = 30;
+  time$: Observable<number>;
+  start$: Observable<number>;
+  reset$: Observable<number>;
+  stop$: Observable<number>;
+  concat$: Observable<number>;
+
+  constructor(private timerService: TimerService) { }
+
+  ngOnInit(): void {
+    this.selectedAnswer = this.answer;
+    this.start$ = this.timerService.start$;
+    this.reset$ = this.timerService.reset$;
+    this.stop$ = this.timerService.stop$;
+    this.concat$ = concat(this.start$.pipe(first()), this.reset$);
+    this.countdown();
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (
+      changes.selectedAnswer &&
+      changes.selectedAnswer.currentValue !== changes.selectedAnswer.firstChange
+    ) {
+      this.answer = changes.selectedAnswer.currentValue;
+    }
+  }
+
+  countdown(): void {
+    this.time$ = this.concat$.pipe(
+      switchMapTo(
+        timer(0, 1000).pipe(
+          scan((acc) => acc > 0 ? (acc - 1 >= 10 ? acc - 1 : `0${acc - 1}`)
+                                                 : acc, this.timePerQuestion)
+        )
+      ),
+      takeUntil(this.stop$.pipe(skip(1))),
+      repeatWhen(completeSubj =>
+        completeSubj.pipe(
+          switchMapTo(
+            this.start$.pipe(
+              skip(1),
+              first()
+            )
+          )
+        )
+      )
+    ).pipe(tap((value: number) => this.timerService.setElapsed(this.timePerQuestion - value)));
+  }
+
+  stopwatch(): void {
+    this.time$ = this.concat$.pipe(
+      switchMapTo(
+        timer(0, 1000)
+          .pipe(scan(acc => acc + 1, 0),
+                take(this.timePerQuestion))),
+      takeUntil(this.stop$.pipe(skip(1))),
+      repeatWhen(completeSubj =>
+        completeSubj.pipe(
+          switchMapTo(
+            this.start$.pipe(
+              skip(1),
+              first()
+            )
+          )
+        )
+      )
+    )
+    .pipe(tap((value) => this.timerService.setElapsed(value)));
+  }
+
+  pauseTimer(): void {
+    // pause timer code here
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/pipes/index.ts b/codelab-master/apps/playground/src/app/quiz/pipes/index.ts
new file mode 100644
index 000000000..45913fadd
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/pipes/index.ts
@@ -0,0 +1 @@
+export * from './join.pipe';
diff --git a/codelab-master/apps/playground/src/app/quiz/pipes/join.pipe.ts b/codelab-master/apps/playground/src/app/quiz/pipes/join.pipe.ts
new file mode 100644
index 000000000..1e08bcf4b
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/pipes/join.pipe.ts
@@ -0,0 +1,10 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'join'
+})
+export class JoinPipe implements PipeTransform {
+  transform(value: any, args?: any): any {
+    return value.join(" and ");
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/quiz-app.component.html b/codelab-master/apps/playground/src/app/quiz/quiz-app.component.html
new file mode 100644
index 000000000..b3cb23596
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/quiz-app.component.html
@@ -0,0 +1,3 @@
+<main>
+  <router-outlet></router-outlet>
+</main>
diff --git a/codelab-master/apps/playground/src/app/quiz/quiz-app.component.scss b/codelab-master/apps/playground/src/app/quiz/quiz-app.component.scss
new file mode 100644
index 000000000..6e31c587f
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/quiz-app.component.scss
@@ -0,0 +1,4 @@
+main {
+  display: flex;
+  justify-content: center;
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/quiz-app.component.ts b/codelab-master/apps/playground/src/app/quiz/quiz-app.component.ts
new file mode 100644
index 000000000..a5a89e91d
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/quiz-app.component.ts
@@ -0,0 +1,11 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-root',
+  templateUrl: './quiz-app.component.html',
+  styleUrls: ['./quiz-app.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizAppComponent {
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/quiz-app.module.ts b/codelab-master/apps/playground/src/app/quiz/quiz-app.module.ts
new file mode 100644
index 000000000..44368119b
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/quiz-app.module.ts
@@ -0,0 +1,78 @@
+import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { CommonModule } from '@angular/common';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { QuizRoutingModule } from './routing/quiz-routing.module';
+import { ReactiveFormsModule } from '@angular/forms';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatCheckboxModule } from '@angular/material/checkbox';
+import { MatExpansionModule } from '@angular/material/expansion';
+import { MatGridListModule } from '@angular/material/grid-list';
+import { MatIconModule } from '@angular/material/icon';
+import { MatListModule } from '@angular/material/list';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatRadioModule } from '@angular/material/radio';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatTooltipModule } from '@angular/material/tooltip';
+import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
+import { NgBackToTopModule } from 'ng-back-to-top';
+
+import { QuizAppComponent } from './quiz-app.component';
+
+import { MultipleAnswerComponent, SingleAnswerComponent, QuizQuestionComponent } from '@codelab-quiz/components/*';
+import { IntroductionComponent } from '@codelab-quiz/containers/introduction';
+import { QuizComponent } from '@codelab-quiz/containers/quiz';
+import { QuizSelectionComponent } from '@codelab-quiz/containers/quiz-selection';
+import { AccordionComponent, ChallengeComponent, ResultsComponent,
+         ReturnComponent, StatisticsComponent, SummaryReportComponent } from '@codelab-quiz/containers/results';
+import { ScoreboardComponent, ScoreComponent, TimerComponent } from '@codelab-quiz/containers/scoreboard/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/';
+import { JoinPipe } from '@codelab-quiz/pipes/join.pipe';
+
+
+@NgModule({
+  declarations: [
+    QuizAppComponent,
+    IntroductionComponent,
+    QuizComponent,
+    QuizQuestionComponent,
+    QuizSelectionComponent,
+    AccordionComponent,
+    ChallengeComponent,
+    ResultsComponent,
+    ReturnComponent,
+    StatisticsComponent,
+    SummaryReportComponent,
+    ScoreboardComponent,
+    ScoreComponent,
+    TimerComponent,
+    SingleAnswerComponent,
+    MultipleAnswerComponent,
+    JoinPipe
+  ],
+  imports: [
+    BrowserModule,
+    CommonModule,
+    BrowserAnimationsModule,
+    QuizRoutingModule,
+    ReactiveFormsModule,
+    MatButtonModule,
+    MatCardModule,
+    MatCheckboxModule,
+    MatExpansionModule,
+    MatGridListModule,
+    MatIconModule,
+    MatListModule,
+    MatMenuModule,
+    MatRadioModule,
+    MatToolbarModule,
+    MatTooltipModule,
+    NgbModule,
+    NgBackToTopModule
+  ],
+  bootstrap: [QuizAppComponent],
+  providers: [QuizService, TimerService],
+  schemas: [CUSTOM_ELEMENTS_SCHEMA]
+})
+export class QuizAppModule { }
diff --git a/codelab-master/apps/playground/src/app/quiz/quiz.json b/codelab-master/apps/playground/src/app/quiz/quiz.json
new file mode 100644
index 000000000..7d4cacc6a
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/quiz.json
@@ -0,0 +1,1508 @@
+{
+  "quizzes": [
+    {
+      "quizId": "typescript",
+      "milestone": "TypeScript",
+      "summary": "TypeScript makes it easier to read and debug JavaScript code.",
+      "image": "ts.png",
+      "questions": [
+        {
+          "questionText": "Which of the following does TypeScript use to specify types?",
+          "options": [
+            {
+              "text": ":",
+              "correct": true
+            },
+            {
+              "text": ";"
+            },
+            {
+              "text": "!"
+            },
+            {
+              "text": "&"
+            }
+          ],
+          "explanation": "TS uses a colon (:) to separate the property name from the property type"
+        },
+        {
+          "questionText": "Which of the following is NOT a type used in TypeScript?",
+          "options": [
+            {
+              "text": "number"
+            },
+            {
+              "text": "string"
+            },
+            {
+              "text": "boolean"
+            },
+            {
+              "text": "enum",
+              "correct": true
+            }
+          ],
+          "explanation": "enum is not used as a type in TypeScript"
+        },
+        {
+          "questionText": "How can we specify properties and methods for an object in TypeScript?",
+          "options": [
+            {
+              "text": "Use classes."
+            },
+            {
+              "text": "Use interfaces.",
+              "correct": true
+            },
+            {
+              "text": "Use enums."
+            },
+            {
+              "text": "Use async/await."
+            }
+          ],
+          "explanation": "interfaces are typically used to list the properties and methods for an object"
+        },
+        {
+          "questionText": "How else can Array<number> be written in TypeScript?",
+          "options": [
+            {
+              "text": "@number"
+            },
+            {
+              "text": "number[]",
+              "correct": true
+            },
+            {
+              "text": "number!"
+            },
+            {
+              "text": "number?"
+            }
+          ],
+          "explanation": "number[] is another way of writing Array<number> in TypeScript"
+        },
+        {
+          "questionText": "In which of these does a class take parameters?",
+          "options": [
+            {
+              "text": "constructor",
+              "correct": true
+            },
+            {
+              "text": "destructor"
+            },
+            {
+              "text": "import"
+            },
+            {
+              "text": "subscribe"
+            }
+          ],
+          "explanation": "a constructor is used by a class to take in parameters"
+        },
+        {
+          "questionText": "Which is NOT an access modifier?",
+          "options": [
+            {
+              "text": "private"
+            },
+            {
+              "text": "protected"
+            },
+            {
+              "text": "public"
+            },
+            {
+              "text": "async",
+              "correct": true
+            }
+          ],
+          "explanation": "async is not used as an access modifier type in TypeScript"
+        },
+        {
+          "questionText": "Which keyword allows us to share information between files in TypeScript?",
+          "options": [
+            {
+              "text": "import"
+            },
+            {
+              "text": "export",
+              "correct": true
+            },
+            {
+              "text": "async"
+            },
+            {
+              "text": "constructor"
+            }
+          ],
+          "explanation": "the export keyword allows for the information to be transmitted between files"
+        },
+        {
+          "questionText": "Which is an array method to generate a new array based on a condition?",
+          "options": [
+            {
+              "text": "filter",
+              "correct": true
+            },
+            {
+              "text": "map"
+            },
+            {
+              "text": "async"
+            },
+            {
+              "text": "enum"
+            }
+          ],
+          "explanation": "filter is a method used to conditionally create a new array"
+        },
+        {
+          "questionText": "How is a property accessible within a class?",
+          "options": [
+            {
+              "text": "Using this.propertyName",
+              "correct": true
+            },
+            {
+              "text": "Accessors"
+            },
+            {
+              "text": "Destructuring"
+            },
+            {
+              "text": "Arrow function"
+            }
+          ],
+          "explanation": "this.propertyName is the way to access a specific property within a class"
+        }
+      ]
+    },
+    {
+      "quizId": "create-first-app",
+      "milestone": "Creating your first app",
+      "summary": "Angular allows us to create an app that contains components and modules as well as a system for bootstrapping the app.",
+      "image": "first_app.png",
+      "questions": [
+        {
+          "questionText": "Which of the following are true statements about Angular?",
+          "options": [
+            {
+              "text": "Angular is a development platform."
+            },
+            {
+              "text": "Angular minimizes much of the code you would have to write."
+            },
+            {
+              "text": "Angular extends HTML's syntax to define your HTML components."
+            },
+            {
+              "text": "All of the above.",
+              "correct": true
+            }
+          ],
+          "explanation": "all of the above are true statements about Angular"
+        },
+        {
+          "questionText": "Which of the following can be added to an Angular class?",
+          "options": [
+            {
+              "text": "Properties and methods",
+              "correct": true
+            },
+            {
+              "text": "Imports and exports"
+            },
+            {
+              "text": "Template variables"
+            },
+            {
+              "text": "Styles"
+            }
+          ],
+          "explanation": "properties and methods can be added to a class in Angular"
+        },
+        {
+          "questionText": "How is a class adorned in Angular?",
+          "options": [
+            {
+              "text": "Using the @Component decorator.",
+              "correct": true
+            },
+            {
+              "text": "Using the @Injectable decorator."
+            },
+            {
+              "text": "Using the @Input decorator."
+            },
+            {
+              "text": "Using the @Output decorator."
+            }
+          ],
+          "explanation": "a class is adorned with the @Component decorator in Angular"
+        },
+        {
+          "questionText": "What is the purpose of a decorator in TypeScript?",
+          "options": [
+            {
+              "text": "To attach metadata to a class, function, property or variable.",
+              "correct": true
+            },
+            {
+              "text": "To add properties and methods to the class."
+            },
+            {
+              "text": "To minimize the amount of code you will write."
+            },
+            {
+              "text": "To perform data-binding."
+            }
+          ],
+          "explanation": "a decorator attaches metadata to a class, function, property or variable"
+        },
+        {
+          "questionText": "Which defines the location of a component?",
+          "options": [
+            {
+              "text": "decorator"
+            },
+            {
+              "text": "selector",
+              "correct": true
+            },
+            {
+              "text": "template"
+            },
+            {
+              "text": "templateUrl"
+            }
+          ],
+          "explanation": "a selector defines the location of a component in Angular"
+        },
+        {
+          "questionText": "Which defines the HTML code that the component generates?",
+          "options": [
+            {
+              "text": "decorator"
+            },
+            {
+              "text": "selector"
+            },
+            {
+              "text": "template",
+              "correct": true
+            },
+            {
+              "text": "templateUrl"
+            }
+          ],
+          "explanation": "a template contains the HTML code that a component generates"
+        },
+        {
+          "questionText": "Which is used for grouping Angular building blocks together?",
+          "options": [
+            {
+              "text": "NgModule",
+              "correct": true
+            },
+            {
+              "text": "template"
+            },
+            {
+              "text": "selector"
+            },
+            {
+              "text": "decorator"
+            }
+          ],
+          "explanation": "the NgModule is used to group Angular components and modules together"
+        },
+        {
+          "questionText": "How is an Angular module adorned?",
+          "options": [
+            {
+              "text": "@NgModule",
+              "correct": true
+            },
+            {
+              "text": "@Component"
+            },
+            {
+              "text": "@Injectable"
+            },
+            {
+              "text": "@Output"
+            }
+          ],
+          "explanation": "@NgModule is used to decorate an Angular module"
+        },
+        {
+          "questionText": "Which array specifies components belonging to AppModule?",
+          "options": [
+            {
+              "text": "imports"
+            },
+            {
+              "text": "declarations",
+              "correct": true
+            },
+            {
+              "text": "bootstrap"
+            },
+            {
+              "text": "providers"
+            }
+          ],
+          "explanation": "the declarations array contains all the components that belong to AppModule"
+        },
+        {
+          "questionText": "Which of the following code is used for bootstrapping an app?",
+          "options": [
+            {
+              "text": "<app-module #bootstrap></app-module>"
+            },
+            {
+              "text": "<bootstrap>AppModule</bootstrap>"
+            },
+            {
+              "text": "bootstrap: [AppModule]"
+            },
+            {
+              "text": "platformBrowserDynamic().bootstrapModule(AppModule);",
+              "correct": true
+            }
+          ],
+          "explanation": "passing AppModule into the platformBrowserDynamic() is the method used for bootstrapping an Angular app"
+        }
+      ]
+    },
+    {
+      "quizId": "templates",
+      "milestone": "Templates",
+      "summary": "Angular has a very expressive template system, which takes HTML as a base, and extends it with custom elements.",
+      "image": "template.png",
+      "questions": [
+        {
+          "questionText": "What characters are used for text interpolation?",
+          "options": [
+            {
+              "text": "backticks: ``",
+              "correct": true
+            },
+            {
+              "text": "double curlies {{ }}"
+            },
+            {
+              "text": "double ampersand &&"
+            },
+            {
+              "text": "double pipes ||"
+            }
+          ],
+          "explanation": "backticks are used in Angular for insertion of text"
+        },
+        {
+          "questionText": "Which characters are used to include a property value?",
+          "options": [
+            {
+              "text": "backticks: ``"
+            },
+            {
+              "text": "double curlies: {{ }}",
+              "correct": true
+            },
+            {
+              "text": "double ampersand: &&"
+            },
+            {
+              "text": "double pipes: ||"
+            }
+          ],
+          "explanation": "double curlies are used to insert a property value inside a template"
+        },
+        {
+          "questionText": "How can you pass a value to a child element's attribute?",
+          "options": [
+            {
+              "text": "Use string interpolation {{ property }}",
+              "correct": true
+            },
+            {
+              "text": "Call a function"
+            },
+            {
+              "text": "Using the export keyword"
+            },
+            {
+              "text": "Use [attribute]=\"property\"",
+              "correct": true
+            }
+          ],
+          "explanation": "properties can be based to a child element using string interpolation or [attribute]=\"property\" syntax"
+        },
+        {
+          "questionText": "Which is a shortcut for applying a class name based on value of property?",
+          "options": [
+            {
+              "text": "{{ property }}"
+            },
+            {
+              "text": "``property``"
+            },
+            {
+              "text": "[class.property]=\"isProperty\"",
+              "correct": true
+            },
+            {
+              "text": "property$"
+            }
+          ],
+          "explanation": "we use the [class.property] syntax to assign a class name based on a value of property"
+        },
+        {
+          "questionText": "What is the proper way to bind styles to a button in Angular?",
+          "options": [
+            {
+              "text": "<button {{style}}></button>"
+            },
+            {
+              "text": "<button style=\"color: blue\""
+            },
+            {
+              "text": "<button [style.color]=\"blue\">",
+              "correct": true
+            },
+            {
+              "text": "<button>insert style ligature</button>"
+            }
+          ],
+          "explanation": "[style.styleProperty] is the way of binding a style to an element in Angular"
+        },
+        {
+          "questionText": "Which of the following are examples of event bindings in Angular?",
+          "options": [
+            {
+              "text": "[click]"
+            },
+            {
+              "text": "@click"
+            },
+            {
+              "text": "(click)",
+              "correct": true
+            },
+            {
+              "text": "on-click",
+              "correct": true
+            }
+          ],
+          "explanation": "(click) and its HTML equivalent 'on-click' are examples of event bindings"
+        },
+        {
+          "questionText": "How do we provide access to an HTML element or Angular component from the template?",
+          "options": [
+            {
+              "text": "Use attribute binding [attr]=\"name\""
+            },
+            {
+              "text": "Use backticks"
+            },
+            {
+              "text": "Use double curlies"
+            },
+            {
+              "text": "Mark it with #name",
+              "correct": true
+            }
+          ],
+          "explanation": "marking it with #name is the way to access the HTML element from an Angular template"
+        },
+        {
+          "questionText": "What mechanism does Angular provide for handling keyboard shortcuts?",
+          "options": [
+            {
+              "text": "event binding"
+            },
+            {
+              "text": "data binding"
+            },
+            {
+              "text": "text interpolation"
+            },
+            {
+              "text": "(keydown.control.enter)",
+              "correct": true
+            }
+          ],
+          "explanation": "(keydown.control.enter) is Angular's syntax for handling keyboard shortcuts"
+        },
+        {
+          "questionText": "Which directive adds or removes an element from the DOM?",
+          "options": [
+            {
+              "text": "*ngFor"
+            },
+            {
+              "text": "*ngIf",
+              "correct": true
+            },
+            {
+              "text": "*ngSwitch"
+            },
+            {
+              "text": "[ngStyle]"
+            }
+          ],
+          "explanation": "ngIf is used to conditionally add or remove an element from the DOM"
+        },
+        {
+          "questionText": "Which directive can be used to display an array of cat images?",
+          "options": [
+            {
+              "text": "*ngFor",
+              "correct": true
+            },
+            {
+              "text": "*ngIf"
+            },
+            {
+              "text": "*ngSwitch"
+            },
+            {
+              "text": "[ngStyle]"
+            }
+          ],
+          "explanation": "the ngFor directive is used to display entire arrays or objects"
+        }
+      ]
+    },
+    {
+      "quizId": "dependency-injection",
+      "milestone": "Dependency Injection",
+      "summary": "Dependency Injection is a way of providing dependencies in your code instead of hard-coding them.",
+      "image": "DIDiagram.png",
+      "questions": [
+        {
+          "questionText": "What is the objective of dependency injection?",
+          "options": [
+            {
+              "text": "Pass the service to the client.",
+              "correct": true
+            },
+            {
+              "text": "Allow the client to find service.",
+              "correct": true
+            },
+            {
+              "text": "Allow the client to build service."
+            },
+            {
+              "text": "Give the client part service."
+            }
+          ],
+          "explanation": "a service gets passed to the client during DI"
+        },
+        {
+          "questionText": "Which of the following benefit from dependency injection?",
+          "options": [
+            {
+              "text": "Programming"
+            },
+            {
+              "text": "Testability"
+            },
+            {
+              "text": "Software design"
+            },
+            {
+              "text": "All of the above.",
+              "correct": true
+            }
+          ],
+          "explanation": "DI simplifies both programming and testing as well as being a popular design pattern"
+        },
+        {
+          "questionText": "In which of the following does dependency injection occur?",
+          "options": [
+            {
+              "text": "@Injectable()"
+            },
+            {
+              "text": "constructor",
+              "correct": true
+            },
+            {
+              "text": "function"
+            },
+            {
+              "text": "NgModule"
+            }
+          ],
+          "explanation": "object instantiations are taken care of by the constructor in Angular"
+        },
+        {
+          "questionText": "What is the first step in setting up dependency injection?",
+          "options": [
+            {
+              "text": "Require in the component."
+            },
+            {
+              "text": "Provide in the module."
+            },
+            {
+              "text": "Mark dependency as @Injectable().",
+              "correct": true
+            },
+            {
+              "text": "Declare an object."
+            }
+          ],
+          "explanation": "the first step is marking the class as @Injectable()"
+        }
+      ]
+    },
+    {
+      "quizId": "component-tree",
+      "milestone": "Component Trees",
+      "summary": "An Angular application can be thought of as a tree of reusable components.",
+      "image": "tree.png",
+      "questions": [
+        {
+          "questionText": "How does a parent component pass data to its child component?",
+          "options": [
+            {
+              "text": "Using data binding."
+            },
+            {
+              "text": "Using functions."
+            },
+            {
+              "text": "Using properties.",
+              "correct": true
+            },
+            {
+              "text": "Using DOM manipulation."
+            }
+          ],
+          "explanation": "a parent component can pass data to its child via properties"
+        },
+        {
+          "questionText": "How can one component render another one?",
+          "options": [
+            {
+              "text": "Using an HTML element that matches selector of other component.",
+              "correct": true
+            },
+            {
+              "text": "Using data binding."
+            },
+            {
+              "text": "Using properties."
+            },
+            {
+              "text": "Passing components via functions."
+            }
+          ],
+          "explanation": "a component can display another component by matching the selector of the other component"
+        },
+        {
+          "questionText": "How do components know about each other?",
+          "options": [
+            {
+              "text": "If they are declared in the same module.",
+              "correct": true
+            },
+            {
+              "text": "If they are passed to each other."
+            },
+            {
+              "text": "Using export."
+            },
+            {
+              "text": "Using property binding."
+            }
+          ],
+          "explanation": "components can only know about each other if they are declared in the same module"
+        },
+        {
+          "questionText": "How must a child decorate its properties to pass data?",
+          "options": [
+            {
+              "text": "Using the @Input() decorator.",
+              "correct": true
+            },
+            {
+              "text": "Using the @Output() decorator."
+            },
+            {
+              "text": "Using the @Injectable decorator."
+            },
+            {
+              "text": "Using the @Component decorator."
+            }
+          ],
+          "explanation": "properties must be decorated with @Input() in a child in order to pass data to its parent"
+        }
+      ]
+    },
+    {
+      "quizId": "router",
+      "milestone": "Angular Router",
+      "summary": "Angular Router helps developers build Single Page Applications with multiple views and allow navigation between those views.",
+      "image": "router.png",
+      "questions": [
+        {
+          "questionText": "Which is used to assign URLs to different parts of your app?",
+          "options": [
+            {
+              "text": "Router",
+              "correct": true
+            },
+            {
+              "text": "Forms"
+            },
+            {
+              "text": "Templates"
+            },
+            {
+              "text": "Material"
+            }
+          ],
+          "explanation": "router is used to provide URLs to the different parts of your app"
+        },
+        {
+          "questionText": "How are routes configured in Angular?",
+          "options": [
+            {
+              "text": "In a routing module."
+            },
+            {
+              "text": "By defining an array of mapping between URL path and a component.",
+              "correct": true
+            },
+            {
+              "text": "When the app is being bootstrapped."
+            },
+            {
+              "text": "In tsconfig.json"
+            }
+          ],
+          "explanation": "routes are configured by defining an array of mapping between URL path and a component"
+        },
+        {
+          "questionText": "How does Angular know about the routing configuration?",
+          "options": [
+            {
+              "text": "We have to pass the config to our module.",
+              "correct": true
+            },
+            {
+              "text": "When the app is being bootstrapped."
+            },
+            {
+              "text": "It is specified in tsconfig.json"
+            },
+            {
+              "text": "It looks for the config in router-outlet."
+            }
+          ],
+          "explanation": "routes are configured by defining an array of mapping between URL path and a component"
+        },
+        {
+          "questionText": "Which of the following creates an Angular module from our configuration?",
+          "options": [
+            {
+              "text": "RouterModule.forRoot",
+              "correct": true
+            },
+            {
+              "text": "router-outlet"
+            },
+            {
+              "text": "routerLink"
+            },
+            {
+              "text": "navigateByUrl"
+            }
+          ],
+          "explanation": "RouterModule.forRoot establishes an Angular module from the routing configuration"
+        },
+        {
+          "questionText": "What tag is used to tell the router where to display a selected component?",
+          "options": [
+            {
+              "text": "routerLink"
+            },
+            {
+              "text": "<router-outlet> tag",
+              "correct": true
+            },
+            {
+              "text": "navigate"
+            },
+            {
+              "text": "navigateByUrl"
+            }
+          ],
+          "explanation": "the router-outlet tag tells the router to display selected component(s)"
+        },
+        {
+          "questionText": "Which directive is used to provide a URL in creating a route?",
+          "options": [
+            {
+              "text": "routerLink",
+              "correct": true
+            },
+            {
+              "text": "<router-outlet> tag"
+            },
+            {
+              "text": "navigate"
+            },
+            {
+              "text": "navigateByUrl"
+            }
+          ],
+          "explanation": "the routerLink directive is used to provide the URL necessary for routing"
+        }
+      ]
+    },
+    {
+      "quizId": "material",
+      "milestone": "Angular Material",
+      "summary": "Angular Material provides a set of Material Design components that are consistent, versatile and look great on mobile devices.",
+      "image": "material.png",
+      "questions": [
+        {
+          "questionText": "Which of the following is the official website for Angular Material?",
+          "options": [
+            {
+              "text": "https://www.angular.io"
+            },
+            {
+              "text": "https://www.material.io"
+            },
+            {
+              "text": "https://material.angular.io",
+              "correct": true
+            },
+            {
+              "text": "https://www.github.com/angular/material"
+            }
+          ],
+          "explanation": "the official website for Angular Material is material.angular.io"
+        },
+        {
+          "questionText": "Where are Angular Material modules declared in NgModule?",
+          "options": [
+            {
+              "text": "imports",
+              "correct": true
+            },
+            {
+              "text": "declarations"
+            },
+            {
+              "text": "providers"
+            },
+            {
+              "text": "schemas"
+            }
+          ],
+          "explanation": "the imports section of NgModule is where Angular Material modules are declared"
+        },
+        {
+          "questionText": "Which of the following is true about Angular Material Design components?",
+          "options": [
+            {
+              "text": "They are fast and consistent."
+            },
+            {
+              "text": "They look great on mobile."
+            },
+            {
+              "text": "They can be themed."
+            },
+            {
+              "text": "All of the above.",
+              "correct": true
+            }
+          ],
+          "explanation": "all of these are true about Angular Material components."
+        },
+        {
+          "questionText": "Where are Angular Material components used?",
+          "options": [
+            {
+              "text": "In the template file.",
+              "correct": true
+            },
+            {
+              "text": "In the TypeScript file."
+            },
+            {
+              "text": "In the CSS file."
+            },
+            {
+              "text": "All of the above."
+            }
+          ],
+          "explanation": "Angular Material components are utilized in the template file"
+        },
+        {
+          "questionText": "Which tag can be used to display a card header in Angular Material?",
+          "options": [
+            {
+              "text": "mat-card"
+            },
+            {
+              "text": "mat-card-avatar"
+            },
+            {
+              "text": "mat-card-header",
+              "correct": true
+            },
+            {
+              "text": "mat-card-image"
+            }
+          ],
+          "explanation": "the mat-card-header is used to display the header information inside an Angular mat-card"
+        },
+        {
+          "questionText": "Which tag can be used to display actions in Angular Material?",
+          "options": [
+            {
+              "text": "mat-button"
+            },
+            {
+              "text": "mat-raised-button"
+            },
+            {
+              "text": "mat-card-content"
+            },
+            {
+              "text": "mat-card-actions",
+              "correct": true
+            }
+          ],
+          "explanation": "the mat-card-actions tag is used to display actions inside an Angular Material template"
+        }
+      ]
+    },
+    {
+      "quizId": "forms",
+      "milestone": "Angular Forms",
+      "summary": "Angular forms build upon standard HTML forms to help create custom form controls and support easy validation.",
+      "image": "forms.png",
+      "questions": [
+        {
+          "questionText": "What is the first step in using Angular Forms?",
+          "options": [
+            {
+              "text": "Add FormsModule/ReactiveFormsModule in NgModule.",
+              "correct": true
+            },
+            {
+              "text": "Add form tag to the template."
+            },
+            {
+              "text": "Add form fields in the template."
+            },
+            {
+              "text": "Add form validation fields to the TypeScript file."
+            }
+          ],
+          "explanation": "we must first add FormsModule to the imports section of NgModule"
+        },
+        {
+          "questionText": "What syntax is used to bind inputs to fields on the component?",
+          "options": [
+            {
+              "text": "{{ngModel}}"
+            },
+            {
+              "text": "[(ngModel)]",
+              "correct": true
+            },
+            {
+              "text": "[ngModel]"
+            },
+            {
+              "text": "*ngModel"
+            }
+          ],
+          "explanation": "the \"banana-in-a-box\" syntax [(ngModel]] is used for binding inputs to fields"
+        },
+        {
+          "questionText": "How do you provide validation for your inputs?",
+          "options": [
+            {
+              "text": "Using required keyword",
+              "correct": true
+            },
+            {
+              "text": "Using valid keyword"
+            },
+            {
+              "text": "Using matInput"
+            },
+            {
+              "text": "Using mat-error"
+            }
+          ],
+          "explanation": "by placing the \"required\" keyword on an input field, it marks the field for validation"
+        },
+        {
+          "questionText": "Which of the following are steps to display a validation error?",
+          "options": [
+            {
+              "text": "Use #name=\"ngModel\" binding.",
+              "correct": true
+            },
+            {
+              "text": "Use usernameModel's errors property.",
+              "correct": true
+            },
+            {
+              "text": "Use mat-error."
+            },
+            {
+              "text": "Use required keyword."
+            }
+          ],
+          "explanation": "using #name=\"ngModel\" and using usernameModel's error property are the two steps to display a validation error"
+        },
+        {
+          "questionText": "Which is NOT a built-in validator that Angular provides?",
+          "options": [
+            {
+              "text": "min"
+            },
+            {
+              "text": "minLength"
+            },
+            {
+              "text": "required"
+            },
+            {
+              "text": "password",
+              "correct": true
+            }
+          ],
+          "explanation": "password is not a built-in validator which Angular provides"
+        },
+        {
+          "questionText": "Which is true if the user changed the value of the input?",
+          "options": [
+            {
+              "text": "dirty",
+              "correct": true
+            },
+            {
+              "text": "touched"
+            },
+            {
+              "text": "untouched"
+            },
+            {
+              "text": "pristine"
+            }
+          ],
+          "explanation": "dirty is true when the user changes the value of the input"
+        },
+        {
+          "questionText": "Which is true if the user focused on the input and then blurred without changing the value?",
+          "options": [
+            {
+              "text": "dirty"
+            },
+            {
+              "text": "touched",
+              "correct": true
+            },
+            {
+              "text": "untouched"
+            },
+            {
+              "text": "pristine"
+            }
+          ],
+          "explanation": "touched is true when the user focuses on input and then blurred"
+        },
+        {
+          "questionText": "Which of the following wraps the input in an Angular Material form?",
+          "options": [
+            {
+              "text": "mat-form-field",
+              "correct": true
+            },
+            {
+              "text": "matInput"
+            },
+            {
+              "text": "mat-error"
+            },
+            {
+              "text": "mat-card"
+            }
+          ],
+          "explanation": "mat-form-field surrounds the input in an Angular Material form"
+        },
+        {
+          "questionText": "How is an error shown in an Angular Material form?",
+          "options": [
+            {
+              "text": "mat-form-field"
+            },
+            {
+              "text": "matInput"
+            },
+            {
+              "text": "mat-error",
+              "correct": true
+            },
+            {
+              "text": "mat-card"
+            }
+          ],
+          "explanation": "the mat-error tag is used to show an error in an Angular Material form"
+        }
+      ]
+    },
+    {
+      "quizId": "angular-cli",
+      "milestone": "Angular-CLI",
+      "summary": "The Angular CLI is a command-line interface tool used for initializing, developing, scaffolding and maintaining Angular applications.",
+      "image": "angular-cli.png",
+      "questions": [
+        {
+          "questionText": "Which is a prerequisite for using Angular-CLI?",
+          "options": [
+            {
+              "text": "NodeJS",
+              "correct": true
+            },
+            {
+              "text": "JavaScript"
+            },
+            {
+              "text": "Github"
+            },
+            {
+              "text": "WebStorm"
+            }
+          ],
+          "explanation": "NodeJS needs to be installed on your machine before setting up Angular-CLI"
+        },
+        {
+          "questionText": "How is Angular-CLI installed?",
+          "options": [
+            {
+              "text": "npm install -g @angular/cli",
+              "correct": true
+            },
+            {
+              "text": "ng new \"my-app-name\""
+            },
+            {
+              "text": "cd my-app-name"
+            },
+            {
+              "text": "ng serve command"
+            }
+          ],
+          "explanation": "Angular-CLI is installed using the \"npm install -g @angular/cli\" command"
+        },
+        {
+          "questionText": "How can you run an app that is built with Angular-CLI?",
+          "options": [
+            {
+              "text": "ng serve",
+              "correct": true
+            },
+            {
+              "text": "ng new \"my-app-name\""
+            },
+            {
+              "text": "npm start"
+            },
+            {
+              "text": "node -v"
+            }
+          ],
+          "explanation": "ng serve is the command that is required to run an app built with Angular-CLI"
+        },
+        {
+          "questionText": "Which URL should be viewed in the browser to see the app running?",
+          "options": [
+            {
+              "text": "http://www.google.com"
+            },
+            {
+              "text": "http://angular.io"
+            },
+            {
+              "text": "http://localhost"
+            },
+            {
+              "text": "http://localhost:4200/",
+              "correct": true
+            }
+          ],
+          "explanation": "viewing http://localhost:4200/ allows us to view the app in the browser"
+        },
+        {
+          "questionText": "What command is used to create a new service using the Angular-CLI?",
+          "options": [
+            {
+              "text": "ng g c my-component"
+            },
+            {
+              "text": "ng g m my-module"
+            },
+            {
+              "text": "ng g s my-service",
+              "correct": true
+            },
+            {
+              "text": "ng g p my-pipe"
+            }
+          ],
+          "explanation": "a service is created using the ng g s shortcut command"
+        },
+        {
+          "questionText": "Which is a true statement about the Angular CLI?",
+          "options": [
+            {
+              "text": "It is a command-line tool that makes it easy to generate new components."
+            },
+            {
+              "text": "It allows for fast scaffolding of an application that works easily."
+            },
+            {
+              "text": "It takes care of the build system for you."
+            },
+            {
+              "text": "All of the above.",
+              "correct": true
+            }
+          ],
+          "explanation": "all of the above are true statements about the Angular-CLI"
+        }
+      ]
+    }
+  ],
+  "resources": [
+    {
+      "quizId": "TS_Quiz",
+      "milestone": "TypeScript",
+      "resources": [
+        {
+          "title": "TypeScript language website",
+          "url": "https://www.typescriptlang.org",
+          "host": "TypeScript website"
+        },
+        {
+          "title": "Microsoft TypeScript GitHub page",
+          "url": "https://github.com/microsoft/TypeScript",
+          "host": "GitHub"
+        },
+        {
+          "title": "TypeScript Wiki",
+          "url": "https://en.wikipedia.org/wiki/TypeScript",
+          "host": "Wikipedia"
+        },
+        {
+          "title": "TypeScript blog",
+          "url": "https://devblogs.microsoft.com/typescript/",
+          "host": "Microsoft dev blogs"
+        }
+      ]
+    },
+    {
+      "quizId": "create-first-app",
+      "milestone": "Creating your first app",
+      "resources": [
+        {
+          "title": "Getting started with a basic Angular app",
+          "url": "https://angular.io/start",
+          "host": "angular.io"
+        },
+        {
+          "title": "Creating Your First Angular App: Basics",
+          "url": "https://code.tutsplus.com/tutorials/creating-your-first-angular-app-basics--cms-30092",
+          "host": "envatotuts+"
+        }
+      ]
+    },
+    {
+      "quizId": "templates",
+      "milestone": "Templates",
+      "resources": [
+        {
+          "title": "Introduction to components and templates",
+          "url": "https://angular.io/guide/architecture-components#:~:text=Angular%20templates%20are%20dynamic.,component%20is%20technically%20a%20directive.",
+          "host": "angular.io"
+        },
+        {
+          "title": "Angular 4 - Templates",
+          "url": "https://www.tutorialspoint.com/angular4/angular4_templates.htm",
+          "host": "tutorialspoint"
+        },
+        {
+          "title": "Angular templates and views",
+          "url": "https://howtodoinjava.com/angular/angular-templates-and-views/#:~:text=A%20template%20is%20an%20HTML,component%20defines%20that%20component's%20view.",
+          "host": "HowToDoInJava"
+        }
+      ]
+    },
+    {
+      "quizId": "dependency-injection",
+      "milestone": "Dependency Injection",
+      "resources": [
+        {
+          "title": "Dependency injection in Angular",
+          "url": "https://angular.io/guide/dependency-injection",
+          "host": "angular.io"
+        },
+        {
+          "title": "Dependency injection in action",
+          "url": "https://angular.io/guide/dependency-injection-in-action",
+          "host": "angular.io"
+        },
+        {
+          "title": "Introduction to services and dependency injection",
+          "url": "https://angular.io/guide/architecture-services",
+          "host": "angular.io"
+        },
+        {
+          "title": "Total Guide To Angular 6+ Dependency Injection...",
+          "url": "https://medium.com/@tomastrajan/total-guide-to-angular-6-dependency-injection-providedin-vs-providers-85b7a347b59f",
+          "host": "medium.com"
+        }
+      ]
+    },
+    {
+      "quizId": "component-tree",
+      "milestone": "Component Trees",
+      "resources": [
+        {
+          "title": "Introduction to Angular concepts",
+          "url": "https://angular.io/guide/architecture",
+          "host": "angular.io"
+        },
+        {
+          "title": "Navigating the component tree with DI",
+          "url": "https://angular.io/guide/dependency-injection-navtree",
+          "host": "angular.io"
+        },
+        {
+          "title": "The Core Concepts of Angular",
+          "url": "https://vsavkin.com/the-core-concepts-of-angular-2-c3d6cbe04d04",
+          "host": "vsavkin.com"
+        }
+      ]
+    },
+    {
+      "quizId": "router",
+      "milestone": "Angular Router",
+      "resources": [
+        {
+          "title": "In-app navigation: routing to views",
+          "url": "https://angular.io/guide/router",
+          "host": "angular.io"
+        },
+        {
+          "title": "API: @angular/router",
+          "url": "https://angular.io/api/router",
+          "host": "angular.io"
+        },
+        {
+          "title": "A Complete Guide To Routing In Angular",
+          "url": "https://www.smashingmagazine.com/2018/11/a-complete-guide-to-routing-in-angular/",
+          "host": "Smashing Magazine"
+        },
+        {
+          "title": "Using Route Parameters",
+          "url": "https://angular-2-training-book.rangle.io/routing/routeparams",
+          "host": "Rangle.io"
+        }
+      ]
+    },
+    {
+      "quizId": "material",
+      "milestone": "Angular Material",
+      "resources": [
+        {
+          "title": "Getting Started with Angular Material",
+          "url": "https://material.angular.io/guide/getting-started",
+          "host": "Angular Material official website"
+        },
+        {
+          "title": "Angular Material UI component library",
+          "url": "https://material.angular.io",
+          "host": "Angular Material official website"
+        },
+        {
+          "title": "Material Design",
+          "url": "https://www.material.io",
+          "host": "material.io"
+        },
+        {
+          "title": "Angular Material 7 Tutorial",
+          "url": "https://www.tutorialspoint.com/angular_material7/index.htm",
+          "host": "tutorialspoint"
+        }
+      ]
+    },
+    {
+      "quizId": "forms",
+      "milestone": "Angular Forms",
+      "resources": [
+        {
+          "title": "Introduction to forms in Angular",
+          "url": "https://angular.io/guide/forms-overview",
+          "host": "angular.io"
+        },
+        {
+          "title": "Angular Forms Guide - Template Driven and Reactive Forms",
+          "url": "https://blog.angular-university.io/introduction-to-angular-2-forms-template-driven-vs-model-driven/",
+          "host": "Angular University"
+        },
+        {
+          "title": "Template-Driven Form Validation In Angular",
+          "url": "https://ankitsharmablogs.com/template-driven-form-validation-in-angular/",
+          "host": "Ankit Sharma's Blog"
+        },
+        {
+          "title": "How to validate Angular Reactive Forms",
+          "url": "https://www.freecodecamp.org/news/how-to-validate-angular-reactive-forms/",
+          "host": "freecodecamp.org"
+        }
+      ]
+    },
+    {
+      "quizId": "angular-cli",
+      "milestone": "Angular-CLI",
+      "resources": [
+        {
+          "title": "CLI Overview and Command Reference",
+          "url": "https://angular.io/cli",
+          "host": "angular.io"
+        },
+        {
+          "title": "Angular 8 Tutorial: Build your First Angular App",
+          "url": "https://www.techiediaries.com/angular-8-tutorial-build-first-angular-calculator-app/",
+          "host": "TechieDiaries"
+        },
+        {
+          "title": "Starting an Angular app with the Angular CLI",
+          "url": "https://scotch.io/courses/build-your-first-angular-website/starting-an-angular-app-with-the-angular-cli",
+          "host": "Scotch"
+        }
+      ]
+    }
+  ]
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/routing/quiz-routing.module.ts b/codelab-master/apps/playground/src/app/quiz/routing/quiz-routing.module.ts
new file mode 100644
index 000000000..efd5ee2d2
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/routing/quiz-routing.module.ts
@@ -0,0 +1,23 @@
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+
+import { IntroductionComponent } from '@codelab-quiz/containers/introduction/introduction.component';
+import { QuizComponent } from '@codelab-quiz/containers/quiz/quiz.component';
+import { QuizSelectionComponent } from '@codelab-quiz/containers/quiz-selection/quiz-selection.component';
+import { ResultsComponent } from '@codelab-quiz/containers/results/results.component';
+
+
+const routes: Routes = [
+  { path: '', redirectTo: 'select' },
+  { path: 'select', component: QuizSelectionComponent },
+  { path: 'intro/:quizId', component: IntroductionComponent },
+  { path: 'question/:quizId/:questionIndex', component: QuizComponent },
+  { path: 'results/:quizId', component: ResultsComponent }
+];
+
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+export class QuizRoutingModule {}
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/data/index.ts b/codelab-master/apps/playground/src/app/quiz/shared/data/index.ts
new file mode 100644
index 000000000..02c5d4c47
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/data/index.ts
@@ -0,0 +1 @@
+export * from './quiz';
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/data/quiz.ts b/codelab-master/apps/playground/src/app/quiz/shared/data/quiz.ts
new file mode 100644
index 000000000..4b6f54c51
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/data/quiz.ts
@@ -0,0 +1,928 @@
+import { Quiz, QuizResource } from '@codelab-quiz/shared/models/';
+
+export const QUIZ_DATA: Quiz[] = [
+  {
+    quizId: 'typescript',
+    milestone: 'TypeScript',
+    summary: 'TypeScript makes it easier to read and debug JavaScript code.',
+    image: 'ts.png',
+    questions: [
+      {
+        questionText: 'Which of the following does TypeScript use to specify types?',
+        options: [
+          { text: ':', correct: true },
+          { text: ';' },
+          { text: '!' },
+          { text: '&' }
+        ],
+        explanation: 'TS uses a colon (:) to separate the property name from the property type'
+      },
+      {
+        questionText: 'Which of the following is NOT a type used in TypeScript?',
+        options: [
+          { text: 'number' },
+          { text: 'string' },
+          { text: 'boolean' },
+          { text: 'enum', correct: true }
+        ],
+        explanation: 'enum is not used as a type in TypeScript'
+      },
+      {
+        questionText: 'How can we specify properties and methods for an object in TypeScript?',
+        options: [
+          { text: 'Use classes.' },
+          { text: 'Use interfaces.', correct: true },
+          { text: 'Use enums.' },
+          { text: 'Use async/await.' }
+        ],
+        explanation: 'interfaces are typically used to list the properties and methods for an object'
+      },
+      {
+        questionText: 'How else can Array<number> be written in TypeScript?',
+        options: [
+          { text: '@number' },
+          { text: 'number[]', correct: true },
+          { text: 'number!' },
+          { text: 'number?' }
+        ],
+        explanation: 'number[] is another way of writing Array<number> in TypeScript'
+      },
+      {
+        questionText: 'In which of these does a class take parameters?',
+        options: [
+          { text: 'constructor', correct: true },
+          { text: 'destructor', },
+          { text: 'import' },
+          { text: 'subscribe' }
+        ],
+        explanation: 'a constructor is used by a class to take in parameters'
+      },
+      {
+        questionText: 'Which is NOT an access modifier?',
+        options: [
+          { text: 'private' },
+          { text: 'protected' },
+          { text: 'public' },
+          { text: 'async', correct: true }
+        ],
+        explanation: 'async is not used as an access modifier type in TypeScript'
+      },
+      {
+        questionText: 'Which keyword allows us to share information between files in TypeScript?',
+        options: [
+          { text: 'import' },
+          { text: 'export', correct: true },
+          { text: 'async' },
+          { text: 'constructor' }
+        ],
+        explanation: 'the export keyword allows for the information to be transmitted between files'
+      },
+      {
+        questionText: 'Which is an array method to generate a new array based on a condition?',
+        options: [
+          { text: 'filter', correct: true },
+          { text: 'map' },
+          { text: 'async' },
+          { text: 'enum' }
+        ],
+        explanation: 'filter is a method used to conditionally create a new array'
+      },
+      {
+        questionText: 'How is a property accessible within a class?',
+        options: [
+          { text: 'Using this.propertyName', correct: true },
+          { text: 'Accessors' },
+          { text: 'Destructuring' },
+          { text: 'Arrow function' }
+        ],
+        explanation: 'this.propertyName is the way to access a specific property within a class'
+      }
+    ]
+  },
+  {
+    quizId: 'create-first-app',
+    milestone: 'Creating your first app',
+    summary: 'Angular allows us to create an app that contains components and modules as well as a system for bootstrapping the app.',
+    image: 'first_app.png',
+    questions: [
+      {
+        questionText: 'Which of the following are true statements about Angular?',
+        options: [
+          { text: 'Angular is a development platform.' },
+          { text: 'Angular minimizes much of the code you would have to write.' },
+          { text: 'Angular extends HTML\'s syntax to define your HTML components.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of the above are true statements about Angular'
+      },
+      {
+        questionText: 'Which of the following can be added to an Angular class?',
+        options: [
+          { text: 'Properties and methods', correct: true },
+          { text: 'Imports and exports' },
+          { text: 'Template variables' },
+          { text: 'Styles' }
+        ],
+        explanation: 'properties and methods can be added to a class in Angular'
+      },
+      {
+        questionText: 'How is a class adorned in Angular?',
+        options: [
+          { text: 'Using the @Component decorator.', correct: true },
+          { text: 'Using the @Injectable decorator.' },
+          { text: 'Using the @Input decorator.' },
+          { text: 'Using the @Output decorator.' }
+        ],
+        explanation: 'a class is adorned with the @Component decorator in Angular'
+      },
+      {
+        questionText: 'What is the purpose of a decorator in TypeScript?',
+        options: [
+          { text: 'To attach metadata to a class, function, property or variable.', correct: true },
+          { text: 'To add properties and methods to the class.' },
+          { text: 'To minimize the amount of code you will write.' },
+          { text: 'To perform data-binding.' }
+        ],
+        explanation: 'a decorator attaches metadata to a class, function, property or variable'
+      },
+      {
+        questionText: 'Which defines the location of a component?',
+        options: [
+          { text: 'decorator' },
+          { text: 'selector', correct: true },
+          { text: 'template' },
+          { text: 'templateUrl' }
+        ],
+        explanation: 'a selector defines the location of a component in Angular'
+      },
+      {
+        questionText: 'Which defines the HTML code that the component generates?',
+        options: [
+          { text: 'decorator' },
+          { text: 'selector' },
+          { text: 'template', correct: true },
+          { text: 'templateUrl' }
+        ],
+        explanation: 'a template contains the HTML code that a component generates'
+      },
+      {
+        questionText: 'Which is used for grouping Angular building blocks together?',
+        options: [
+          { text: 'NgModule', correct: true },
+          { text: 'template' },
+          { text: 'selector' },
+          { text: 'decorator' }
+        ],
+        explanation: 'the NgModule is used to group Angular components and modules together'
+      },
+      {
+        questionText: 'How is an Angular module adorned?',
+        options: [
+          { text: '@NgModule', correct: true },
+          { text: '@Component' },
+          { text: '@Injectable' },
+          { text: '@Output' }
+        ],
+        explanation: '@NgModule is used to decorate an Angular module'
+      },
+      {
+        questionText: 'Which array specifies components belonging to AppModule?',
+        options: [
+          { text: 'imports' },
+          { text: 'declarations', correct: true },
+          { text: 'bootstrap' },
+          { text: 'providers' }
+        ],
+        explanation: 'the declarations array contains all the components that belong to AppModule'
+      },
+      {
+        questionText: 'Which of the following code is used for bootstrapping an app?',
+        options: [
+          { text: '<app-module #bootstrap></app-module>' },
+          { text: '<bootstrap>AppModule</bootstrap>' },
+          { text: 'bootstrap: [AppModule]' },
+          { text: 'platformBrowserDynamic().bootstrapModule(AppModule);', correct: true }
+        ],
+        explanation: 'passing AppModule into the platformBrowserDynamic() is the method used for bootstrapping an Angular app'
+      }
+    ]
+  },
+  {
+    quizId: 'templates',
+    milestone: 'Templates',
+    summary: 'Angular has a very expressive template system, which takes HTML as a base, and extends it with custom elements.',
+    image: 'template.png',
+    questions: [
+      {
+        questionText: 'What characters are used for text interpolation?',
+        options: [
+          { text: 'backticks: ``', correct: true },
+          { text: 'double curlies {{ }}' },
+          { text: 'double ampersand &&' },
+          { text: 'double pipes ||' }
+        ],
+        explanation: 'backticks are used in Angular for insertion of text'
+      },
+      {
+        questionText: 'Which characters are used to include a property value?',
+        options: [
+          { text: 'backticks: ``' },
+          { text: 'double curlies: {{ }}', correct: true },
+          { text: 'double ampersand: &&' },
+          { text: 'double pipes: ||' }
+        ],
+        explanation: 'double curlies are used to insert a property value inside a template'
+      },
+      {
+        questionText: 'How can you pass a value to a child element\'s attribute?',
+        options: [
+          { text: 'Use string interpolation {{ property }}', correct: true },
+          { text: 'Call a function' },
+          { text: 'Using the export keyword' },
+          { text: 'Use [attribute]="property"', correct: true }
+        ],
+        explanation: 'properties can be based to a child element using string interpolation or [attribute]="property" syntax'
+      },
+      {
+        questionText: 'Which is a shortcut for applying a class name based on value of property?',
+        options: [
+          { text: '{{ property }}' },
+          { text: '``property``' },
+          { text: '[class.property]="isProperty"', correct: true },
+          { text: 'property$' }
+        ],
+        explanation: 'we use the [class.property] syntax to assign a class name based on a value of property'
+      },
+      {
+        questionText: 'What is the proper way to bind styles to a button in Angular?',
+        options: [
+          { text: '<button {{style}}></button>' },
+          { text: '<button style="color: blue"' },
+          { text: '<button [style.color]="blue">', correct: true },
+          { text: '<button>insert style ligature</button>' }
+        ],
+        explanation: '[style.styleProperty] is the way of binding a style to an element in Angular'
+      },
+      {
+        questionText: 'Which of the following are examples of event bindings in Angular?',
+        options: [
+          { text: '[click]' },
+          { text: '@click' },
+          { text: '(click)', correct: true },
+          { text: 'on-click', correct: true }
+        ],
+        explanation: '(click) and its HTML equivalent \'on-click\' are examples of event bindings'
+      },
+      {
+        questionText: 'How do we provide access to an HTML element or Angular component from the template?',
+        options: [
+          { text: 'Use attribute binding [attr]="name"' },
+          { text: 'Use backticks' },
+          { text: 'Use double curlies' },
+          { text: 'Mark it with #name', correct: true }
+        ],
+        explanation: 'marking it with #name is the way to access the HTML element from an Angular template'
+      },
+      {
+        questionText: 'What mechanism does Angular provide for handling keyboard shortcuts?',
+        options: [
+          { text: 'event binding' },
+          { text: 'data binding' },
+          { text: 'text interpolation' },
+          { text: '(keydown.control.enter)', correct: true }
+        ],
+        explanation: '(keydown.control.enter) is Angular\'s syntax for handling keyboard shortcuts'
+      },
+      {
+        questionText: 'Which directive adds or removes an element from the DOM?',
+        options: [
+          { text: '*ngFor' },
+          { text: '*ngIf', correct: true },
+          { text: '*ngSwitch' },
+          { text: '[ngStyle]' }
+        ],
+        explanation: 'ngIf is used to conditionally add or remove an element from the DOM'
+      },
+      {
+        questionText: 'Which directive can be used to display an array of cat images?',
+        options: [
+          { text: '*ngFor', correct: true },
+          { text: '*ngIf' },
+          { text: '*ngSwitch' },
+          { text: '[ngStyle]' }
+        ],
+        explanation: 'the ngFor directive is used to display entire arrays or objects'
+      }
+    ]
+  },
+  {
+    quizId: 'dependency-injection',
+    milestone: 'Dependency Injection',
+    summary: 'Dependency Injection is a way of providing dependencies in your code instead of hard-coding them.',
+    image: 'DIDiagram.png',
+    questions: [
+      {
+        questionText: 'What is the objective of dependency injection?',
+        options: [
+          { text: 'Pass the service to the client.', correct: true },
+          { text: 'Allow the client to find service.', correct: true },
+          { text: 'Allow the client to build service.' },
+          { text: 'Give the client part service.' }
+        ],
+        explanation: 'a service gets passed to the client during DI'
+      },
+      {
+        questionText: 'Which of the following benefit from dependency injection?',
+        options: [
+          { text: 'Programming' },
+          { text: 'Testability' },
+          { text: 'Software design' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'DI simplifies both programming and testing as well as being a popular design pattern'
+      },
+      {
+        questionText: 'In which of the following does dependency injection occur?',
+        options: [
+          { text: '@Injectable()' },
+          { text: 'constructor', correct: true },
+          { text: 'function' },
+          { text: 'NgModule' }
+        ],
+        explanation: 'object instantiations are taken care of by the constructor in Angular'
+      },
+      {
+        questionText: 'What is the first step in setting up dependency injection?',
+        options: [
+          { text: 'Require in the component.' },
+          { text: 'Provide in the module.' },
+          { text: 'Mark dependency as @Injectable().', correct: true },
+          { text: 'Declare an object.' }
+        ],
+        explanation: 'the first step is marking the class as @Injectable()'
+      }
+    ]
+  },
+  {
+    quizId: 'component-tree',
+    milestone: 'Component Trees',
+    summary: 'An Angular application can be thought of as a tree of reusable components.',
+    image: 'tree.png',
+    questions: [
+      {
+        questionText: 'How does a parent component pass data to its child component?',
+        options: [
+          { text: 'Using data binding.' },
+          { text: 'Using functions.' },
+          { text: 'Using properties.', correct: true },
+          { text: 'Using DOM manipulation.' }
+        ],
+        explanation: 'a parent component can pass data to its child via properties'
+      },
+      {
+        questionText: 'How can one component render another one?',
+        options: [
+          { text: 'Using an HTML element that matches selector of other component.', correct: true },
+          { text: 'Using data binding.' },
+          { text: 'Using properties.' },
+          { text: 'Passing components via functions.' }
+        ],
+        explanation: 'a component can display another component by matching the selector of the other component'
+      },
+      {
+        questionText: 'How do components know about each other?',
+        options: [
+          { text: 'If they are declared in the same module.', correct: true },
+          { text: 'If they are passed to each other.' },
+          { text: 'Using export.' },
+          { text: 'Using property binding.' }
+        ],
+        explanation: 'components can only know about each other if they are declared in the same module'
+      },
+      {
+        questionText: 'How must a child decorate its properties to pass data?',
+        options: [
+          { text: 'Using the @Input() decorator.', correct: true },
+          { text: 'Using the @Output() decorator.' },
+          { text: 'Using the @Injectable decorator.' },
+          { text: 'Using the @Component decorator.' }
+        ],
+        explanation: 'properties must be decorated with @Input() in a child in order to pass data to its parent'
+      }
+    ]
+  },
+  {
+    quizId: 'router',
+    milestone: 'Angular Router',
+    summary: 'Angular Router helps developers build Single Page Applications with multiple views and allow navigation between those views.',
+    image: 'router.png',
+    questions: [
+      {
+        questionText: 'Which is used to assign URLs to different parts of your app?',
+        options: [
+          { text: 'Router', correct: true },
+          { text: 'Forms' },
+          { text: 'Templates' },
+          { text: 'Material' }
+        ],
+        explanation: 'router is used to provide URLs to the different parts of your app'
+      },
+      {
+        questionText: 'How are routes configured in Angular?',
+        options: [
+          { text: 'In a routing module.' },
+          { text: 'By defining an array of mapping between URL path and a component.', correct: true },
+          { text: 'When the app is being bootstrapped.' },
+          { text: 'In tsconfig.json' }
+        ],
+        explanation: 'routes are configured by defining an array of mapping between URL path and a component'
+      },
+      {
+        questionText: 'How does Angular know about the routing configuration?',
+        options: [
+          { text: 'We have to pass the config to our module.', correct: true },
+          { text: 'When the app is being bootstrapped.' },
+          { text: 'It is specified in tsconfig.json' },
+          { text: 'It looks for the config in router-outlet.' }
+        ],
+        explanation: 'routes are configured by defining an array of mapping between URL path and a component'
+      },
+      {
+        questionText: 'Which of the following creates an Angular module from our configuration?',
+        options: [
+          { text: 'RouterModule.forRoot', correct: true },
+          { text: 'router-outlet' },
+          { text: 'routerLink' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'RouterModule.forRoot establishes an Angular module from the routing configuration'
+      },
+      {
+        questionText: 'What tag is used to tell the router where to display a selected component?',
+        options: [
+          { text: 'routerLink' },
+          { text: '<router-outlet> tag ', correct: true },
+          { text: 'navigate' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'the router-outlet tag tells the router to display selected component(s)'
+      },
+      {
+        questionText: 'Which directive is used to provide a URL in creating a route?',
+        options: [
+          { text: 'routerLink', correct: true },
+          { text: '<router-outlet> tag' },
+          { text: 'navigate' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'the routerLink directive is used to provide the URL necessary for routing'
+      }
+    ]
+  },
+  {
+    quizId: 'material',
+    milestone: 'Angular Material',
+    summary: 'Angular Material provides a set of Material Design components that are consistent, versatile and look great on mobile devices.',
+    image: 'material.png',
+    questions: [
+      {
+        questionText: 'Which of the following is the official website for Angular Material?',
+        options: [
+          { text: 'https://www.angular.io' },
+          { text: 'https://www.material.io' },
+          { text: 'https://material.angular.io', correct: true },
+          { text: 'https://www.github.com/angular/material' }
+        ],
+        explanation: 'the official website for Angular Material is material.angular.io'
+      },
+      {
+        questionText: 'Where are Angular Material modules declared in NgModule?',
+        options: [
+          { text: 'imports', correct: true },
+          { text: 'declarations' },
+          { text: 'providers' },
+          { text: 'schemas' }
+        ],
+        explanation: 'the imports section of NgModule is where Angular Material modules are declared'
+      },
+      {
+        questionText: 'Which of the following is true about Angular Material Design components?',
+        options: [
+          { text: 'They are fast and consistent.' },
+          { text: 'They look great on mobile.' },
+          { text: 'They can be themed.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of these are true about Angular Material components.'
+      },
+      {
+        questionText: 'Where are Angular Material components used?',
+        options: [
+          { text: 'In the template file.', correct: true },
+          { text: 'In the TypeScript file.' },
+          { text: 'In the CSS file.' },
+          { text: 'All of the above.' }
+        ],
+        explanation: 'Angular Material components are utilized in the template file'
+      },
+      {
+        questionText: 'Which tag can be used to display a card header in Angular Material?',
+        options: [
+          { text: 'mat-card' },
+          { text: 'mat-card-avatar' },
+          { text: 'mat-card-header', correct: true },
+          { text: 'mat-card-image' }
+        ],
+        explanation: 'the mat-card-header is used to display the header information inside an Angular mat-card'
+      },
+      {
+        questionText: 'Which tag can be used to display actions in Angular Material?',
+        options: [
+          { text: 'mat-button' },
+          { text: 'mat-raised-button' },
+          { text: 'mat-card-content' },
+          { text: 'mat-card-actions', correct: true }
+        ],
+        explanation: 'the mat-card-actions tag is used to display actions inside an Angular Material template'
+      }
+    ]
+  },
+  {
+    quizId: 'forms',
+    milestone: 'Angular Forms',
+    summary: 'Angular forms build upon standard HTML forms to help create custom form controls and support easy validation.',
+    image: 'forms.png',
+    questions: [
+      {
+        questionText: 'What is the first step in using Angular Forms?',
+        options: [
+          { text: 'Add FormsModule/ReactiveFormsModule in NgModule.', correct: true },
+          { text: 'Add form tag to the template.' },
+          { text: 'Add form fields in the template.' },
+          { text: 'Add form validation fields to the TypeScript file.' }
+        ],
+        explanation: 'we must first add FormsModule to the imports section of NgModule'
+      },
+      {
+        questionText: 'What syntax is used to bind inputs to fields on the component?',
+        options: [
+          { text: '{{ngModel}}' },
+          { text: '[(ngModel)]', correct: true },
+          { text: '[ngModel]' },
+          { text: '*ngModel' }
+        ],
+        explanation: 'the "banana-in-a-box" syntax [(ngModel]] is used for binding inputs to fields'
+      },
+      {
+        questionText: 'How do you provide validation for your inputs?',
+        options: [
+          { text: 'Using required keyword', correct: true },
+          { text: 'Using valid keyword' },
+          { text: 'Using matInput' },
+          { text: 'Using mat-error' }
+        ],
+        explanation: 'by placing the "required" keyword on an input field, it marks the field for validation'
+      },
+      {
+        questionText: 'Which of the following are steps to display a validation error?',
+        options: [
+          { text: 'Use #name="ngModel" binding.', correct: true },
+          { text: 'Use usernameModel\'s errors property.', correct: true },
+          { text: 'Use mat-error.' },
+          { text: 'Use required keyword.' }
+        ],
+        explanation: 'using #name="ngModel" and using usernameModel\'s error property are the two steps to display a validation error'
+      },
+      {
+        questionText: 'Which is NOT a built-in validator that Angular provides?',
+        options: [
+          { text: 'min' },
+          { text: 'minLength' },
+          { text: 'required' },
+          { text: 'password', correct: true }
+        ],
+        explanation: 'password is not a built-in validator which Angular provides'
+      },
+      {
+        questionText: 'Which is true if the user changed the value of the input?',
+        options: [
+          { text: 'dirty', correct: true },
+          { text: 'touched' },
+          { text: 'untouched' },
+          { text: 'pristine' }
+        ],
+        explanation: 'dirty is true when the user changes the value of the input'
+      },
+      {
+        questionText: 'Which is true if the user focused on the input and then blurred without changing the value?',
+        options: [
+          { text: 'dirty' },
+          { text: 'touched', correct: true },
+          { text: 'untouched' },
+          { text: 'pristine' }
+        ],
+        explanation: 'touched is true when the user focuses on input and then blurred'
+      },
+      {
+        questionText: 'Which of the following wraps the input in an Angular Material form?',
+        options: [
+          { text: 'mat-form-field', correct: true },
+          { text: 'matInput' },
+          { text: 'mat-error' },
+          { text: 'mat-card' }
+        ],
+        explanation: 'mat-form-field surrounds the input in an Angular Material form'
+      },
+      {
+        questionText: 'How is an error shown in an Angular Material form?',
+        options: [
+          { text: 'mat-form-field' },
+          { text: 'matInput' },
+          { text: 'mat-error', correct: true },
+          { text: 'mat-card' }
+        ],
+        explanation: 'the mat-error tag is used to show an error in an Angular Material form'
+      }
+    ]
+  },
+  {
+    quizId: 'angular-cli',
+    milestone: 'Angular-CLI',
+    summary: 'The Angular CLI is a command-line interface tool used for initializing, developing, scaffolding and maintaining Angular applications.',
+    image: 'angular-cli.png',
+    questions: [
+      {
+        questionText: 'Which is a prerequisite for using Angular-CLI?',
+        options: [
+          { text: 'NodeJS', correct: true },
+          { text: 'JavaScript' },
+          { text: 'Github' },
+          { text: 'WebStorm' }
+        ],
+        explanation: 'NodeJS needs to be installed on your machine before setting up Angular-CLI'
+      },
+      {
+        questionText: 'How is Angular-CLI installed?',
+        options: [
+          { text: 'npm install -g @angular/cli', correct: true },
+          { text: 'ng new "my-app-name' },
+          { text: 'cd my-app-name' },
+          { text: 'ng serve command' }
+        ],
+        explanation: 'Angular-CLI is installed using the "npm install -g @angular/cli" command'
+      },
+      {
+        questionText: 'How can you run an app that is built with Angular-CLI?',
+        options: [
+          { text: 'ng serve', correct: true },
+          { text: 'ng new "my-app-name"' },
+          { text: 'npm start' },
+          { text: 'node -v' }
+        ],
+        explanation: 'ng serve is the command that is required to run an app built with Angular-CLI'
+      },
+      {
+        questionText: 'Which URL should be viewed in the browser to see the app running?',
+        options: [
+          { text: 'http://www.google.com' },
+          { text: 'http://angular.io' },
+          { text: 'http://localhost' },
+          { text: 'http://localhost:4200/', correct: true }
+        ],
+        explanation: 'viewing http://localhost:4200/ allows us to view the app in the browser'
+      },
+      {
+        questionText: 'What command is used to create a new service using the Angular-CLI?',
+        options: [
+          { text: 'ng g c my-component' },
+          { text: 'ng g m my-module' },
+          { text: 'ng g s my-service', correct: true },
+          { text: 'ng g p my-pipe' }
+        ],
+        explanation: 'a service is created using the ng g s shortcut command'
+      },
+      {
+        questionText: 'Which is a true statement about the Angular CLI?',
+        options: [
+          { text: 'It is a command-line tool that makes it easy to generate new components.' },
+          { text: 'It allows for fast scaffolding of an application that works easily.' },
+          { text: 'It takes care of the build system for you.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of the above are true statements about the Angular-CLI'
+      }
+    ]
+  }
+];
+
+export const QUIZ_RESOURCES: QuizResource[] = [
+  {
+    quizId: 'TS_Quiz',
+    milestone: 'TypeScript',
+    resources: [
+      {
+        title: 'TypeScript language website',
+        url: 'https://www.typescriptlang.org',
+        host: 'TypeScript website'
+      },
+      {
+        title: 'Microsoft TypeScript GitHub page',
+        url: 'https://github.com/microsoft/TypeScript',
+        host: 'GitHub'
+      },
+      {
+        title: 'TypeScript Wiki',
+        url: 'https://en.wikipedia.org/wiki/TypeScript',
+        host: 'Wikipedia'
+      },
+      {
+        title: 'TypeScript blog',
+        url: 'https://devblogs.microsoft.com/typescript/',
+        host: 'Microsoft dev blogs'
+      }
+    ]
+  },
+  {
+    quizId: 'create-first-app',
+    milestone: 'Creating your first app',
+    resources: [
+      {
+        title: 'Getting started with a basic Angular app',
+        url: 'https://angular.io/start',
+        host: 'angular.io'
+      },
+      {
+        title: 'Creating Your First Angular App: Basics',
+        url: 'https://code.tutsplus.com/tutorials/creating-your-first-angular-app-basics--cms-30092',
+        host: 'envatotuts+'
+      },
+    ]
+  },
+  {
+    quizId: 'templates',
+    milestone: 'Templates',
+    resources: [
+      {
+        title: 'Introduction to components and templates',
+        url: 'https://angular.io/guide/architecture-components#:~:text=Angular%20templates%20are%20dynamic.,component%20is%20technically%20a%20directive.',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular 4 - Templates',
+        url: 'https://www.tutorialspoint.com/angular4/angular4_templates.htm',
+        host: 'tutorialspoint'
+      },
+      {
+        title: 'Angular templates and views',
+        url: 'https://howtodoinjava.com/angular/angular-templates-and-views/#:~:text=A%20template%20is%20an%20HTML,component%20defines%20that%20component\'s%20view.',
+        host: 'HowToDoInJava'
+      }
+    ]
+  },
+  {
+    quizId: 'dependency-injection',
+    milestone: 'Dependency Injection',
+    resources: [
+      {
+        title: 'Dependency injection in Angular',
+        url: 'https://angular.io/guide/dependency-injection',
+        host: 'angular.io'
+      },
+      {
+        title: 'Dependency injection in action',
+        url: 'https://angular.io/guide/dependency-injection-in-action',
+        host: 'angular.io'
+      },
+      {
+        title: 'Introduction to services and dependency injection',
+        url: 'https://angular.io/guide/architecture-services',
+        host: 'angular.io'
+      },
+      {
+        title: 'Total Guide To Angular 6+ Dependency Injection...',
+        url: 'https://medium.com/@tomastrajan/total-guide-to-angular-6-dependency-injection-providedin-vs-providers-85b7a347b59f',
+        host: 'medium.com'
+      }
+    ]
+  },
+  {
+    quizId: 'component-tree',
+    milestone: 'Component Trees',
+    resources: [
+      {
+        title: 'Introduction to Angular concepts',
+        url: 'https://angular.io/guide/architecture',
+        host: 'angular.io'
+      },
+      {
+        title: 'Navigating the component tree with DI',
+        url: 'https://angular.io/guide/dependency-injection-navtree',
+        host: 'angular.io'
+      },
+      {
+        title: 'The Core Concepts of Angular',
+        url: 'https://vsavkin.com/the-core-concepts-of-angular-2-c3d6cbe04d04',
+        host: 'vsavkin.com'
+      }
+    ]
+  },
+  {
+    quizId: 'router',
+    milestone: 'Angular Router',
+    resources: [
+      {
+        title: 'In-app navigation: routing to views',
+        url: 'https://angular.io/guide/router',
+        host: 'angular.io'
+      },
+      {
+        title: 'API: @angular/router',
+        url: 'https://angular.io/api/router',
+        host: 'angular.io'
+      },
+      {
+        title: 'A Complete Guide To Routing In Angular',
+        url: 'https://www.smashingmagazine.com/2018/11/a-complete-guide-to-routing-in-angular/',
+        host: 'Smashing Magazine'
+      },
+      {
+        title: 'Using Route Parameters',
+        url: 'https://angular-2-training-book.rangle.io/routing/routeparams',
+        host: 'Rangle.io'
+      }
+    ]
+  },
+  {
+    quizId: 'material',
+    milestone: 'Angular Material',
+    resources: [
+      {
+        title: 'Getting Started with Angular Material',
+        url: 'https://material.angular.io/guide/getting-started',
+        host: 'Angular Material official website'
+      },
+      {
+        title: 'Angular Material UI component library',
+        url: 'https://material.angular.io',
+        host: 'Angular Material official website'
+      },
+      {
+        title: 'Material Design',
+        url: 'https://www.material.io',
+        host: 'material.io'
+      },
+      {
+        title: 'Angular Material 7 Tutorial',
+        url: 'https://www.tutorialspoint.com/angular_material7/index.htm',
+        host: 'tutorialspoint'
+      }
+    ]
+  },
+  {
+    quizId: 'forms',
+    milestone: 'Angular Forms',
+    resources: [
+      {
+        title: 'Introduction to forms in Angular',
+        url: 'https://angular.io/guide/forms-overview',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular Forms Guide - Template Driven and Reactive Forms',
+        url: 'https://blog.angular-university.io/introduction-to-angular-2-forms-template-driven-vs-model-driven/',
+        host: 'Angular University'
+      },
+      {
+        title: 'Template-Driven Form Validation In Angular',
+        url: 'https://ankitsharmablogs.com/template-driven-form-validation-in-angular/',
+        host: 'Ankit Sharma\'s Blog',
+      },
+      {
+        title: 'How to validate Angular Reactive Forms',
+        url: 'https://www.freecodecamp.org/news/how-to-validate-angular-reactive-forms/',
+        host: 'freecodecamp.org'
+      }
+    ]
+  },
+  {
+    quizId: 'angular-cli',
+    milestone: 'Angular-CLI',
+    resources: [
+      {
+        title: 'CLI Overview and Command Reference',
+        url: 'https://angular.io/cli',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular 8 Tutorial: Build your First Angular App',
+        url: 'https://www.techiediaries.com/angular-8-tutorial-build-first-angular-calculator-app/',
+        host: 'TechieDiaries'
+      },
+      {
+        title: 'Starting an Angular app with the Angular CLI',
+        url: 'https://scotch.io/courses/build-your-first-angular-website/starting-an-angular-app-with-the-angular-cli',
+        host: 'Scotch'
+      }
+    ]
+  }
+];
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/Answer.type.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/Answer.type.ts
new file mode 100644
index 000000000..ad9ac042b
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/Answer.type.ts
@@ -0,0 +1 @@
+export type Answer = number | number[] | string;
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/Option.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/Option.model.ts
new file mode 100644
index 000000000..3389e10a5
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/Option.model.ts
@@ -0,0 +1,7 @@
+export interface Option {
+  text: string;
+  correct?: boolean;
+  selected?: boolean;
+  className?: string;
+}
+type Options = Option[];
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/Quiz.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/Quiz.model.ts
new file mode 100644
index 000000000..c581924c1
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/Quiz.model.ts
@@ -0,0 +1,10 @@
+import { QuizQuestion } from './QuizQuestion.model';
+
+export interface Quiz {
+  quizId: string;
+  milestone: string;
+  summary: string;
+  image: string;
+  questions: QuizQuestion[];
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/QuizMetadata.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/QuizMetadata.model.ts
new file mode 100644
index 000000000..6dc5b487c
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/QuizMetadata.model.ts
@@ -0,0 +1,10 @@
+import { Observable } from 'rxjs';
+
+export interface QuizMetadata {
+  totalQuestions: number;
+  totalQuestionsAttempted: number;
+  percentage: number;
+  correctAnswersCount$: Observable<number>;
+  completionTime: number;
+}
+
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/QuizQuestion.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/QuizQuestion.model.ts
new file mode 100644
index 000000000..cd437bf76
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/QuizQuestion.model.ts
@@ -0,0 +1,8 @@
+import { Option } from './Option.model';
+
+export interface QuizQuestion {
+  questionText: string;
+  options: Option[];
+  explanation: string;
+}
+// type Questions = QuizQuestion[];
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/QuizResource.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/QuizResource.model.ts
new file mode 100644
index 000000000..88cc74f24
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/QuizResource.model.ts
@@ -0,0 +1,7 @@
+import { Resource } from './Resource.model';
+
+export interface QuizResource {
+  quizId: string;
+  milestone: string;
+  resources: Resource[];
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/Resource.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/Resource.model.ts
new file mode 100644
index 000000000..df6f58296
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/Resource.model.ts
@@ -0,0 +1,6 @@
+export interface Resource {
+  title: string;
+  url: string;
+  host: string;
+}
+type Resources = Resource[];
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/Result.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/Result.model.ts
new file mode 100644
index 000000000..b5da75c5e
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/Result.model.ts
@@ -0,0 +1,5 @@
+export interface Result {
+  userAnswers: number[];
+  elapsedTimes: number[];
+}
+type Results = Result[];
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/Score.model.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/Score.model.ts
new file mode 100644
index 000000000..6a7449c61
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/Score.model.ts
@@ -0,0 +1,6 @@
+export interface Score {
+  quizId: string;
+  attemptDateTime: Date;
+  score: number;
+  totalQuestions: number;
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/Status.enum.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/Status.enum.ts
new file mode 100644
index 000000000..249971fd6
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/Status.enum.ts
@@ -0,0 +1,5 @@
+export enum Status {
+  Started = 'Started',
+  Continue = 'Continue',
+  Completed = 'Completed'
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/models/index.ts b/codelab-master/apps/playground/src/app/quiz/shared/models/index.ts
new file mode 100644
index 000000000..c4a070cb6
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/models/index.ts
@@ -0,0 +1,9 @@
+export * from './Option.model';
+export * from './Quiz.model';
+export * from './QuizMetadata.model';
+export * from './QuizQuestion.model';
+export * from './QuizResource.model';
+export * from './Resource.model';
+export * from './Result.model';
+export * from './Score.model';
+export * from './Status.enum';
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/quiz.ts b/codelab-master/apps/playground/src/app/quiz/shared/quiz.ts
new file mode 100644
index 000000000..5aceaaaab
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/quiz.ts
@@ -0,0 +1,932 @@
+import { Quiz, QuizResource } from '@codelab-quiz/shared/models/';
+
+export const QUIZ_DATA: Quiz[] = [
+  {
+    quizId: 'typescript',
+    milestone: 'TypeScript',
+    summary: 'TypeScript makes it easier to read and debug JavaScript code.',
+    image: 'ts.png',
+    questions: [
+      {
+        questionText: 'Which of the following does TypeScript use to specify types?',
+        options: [
+          { text: ':', correct: true },
+          { text: ';' },
+          { text: '!' },
+          { text: '&' }
+        ],
+        explanation: 'TS uses a colon (:) to separate the property name from the property type'
+      },
+      {
+        questionText: 'Which of the following is NOT a type used in TypeScript?',
+        options: [
+          { text: 'number' },
+          { text: 'string' },
+          { text: 'boolean' },
+          { text: 'enum', correct: true }
+        ],
+        explanation: 'enum is not used as a type in TypeScript'
+      },
+      {
+        questionText: 'How can we specify properties and methods for an object in TypeScript?',
+        options: [
+          { text: 'Use classes.' },
+          { text: 'Use interfaces.', correct: true },
+          { text: 'Use enums.' },
+          { text: 'Use async/await.' }
+        ],
+        explanation: 'interfaces are typically used to list the properties and methods for an object'
+      },
+      {
+        questionText: 'How else can Array<number> be written in TypeScript?',
+        options: [
+          { text: '@number' },
+          { text: 'number[]', correct: true },
+          { text: 'number!' },
+          { text: 'number?' }
+        ],
+        explanation: 'number[] is another way of writing Array<number> in TypeScript'
+      },
+      {
+        questionText: 'In which of these does a class take parameters?',
+        options: [
+          { text: 'constructor', correct: true },
+          { text: 'destructor', },
+          { text: 'import' },
+          { text: 'subscribe' }
+        ],
+        explanation: 'a constructor is used by a class to take in parameters'
+      },
+      {
+        questionText: 'Which is NOT an access modifier?',
+        options: [
+          { text: 'private' },
+          { text: 'protected' },
+          { text: 'public' },
+          { text: 'async', correct: true }
+        ],
+        explanation: 'async is not used as an access modifier type in TypeScript'
+      },
+      {
+        questionText: 'Which keyword allows us to share information between files in TypeScript?',
+        options: [
+          { text: 'import' },
+          { text: 'export', correct: true },
+          { text: 'async' },
+          { text: 'constructor' }
+        ],
+        explanation: 'the export keyword allows for the information to be transmitted between files'
+      },
+      {
+        questionText: 'Which is an array method to generate a new array based on a condition?',
+        options: [
+          { text: 'filter', correct: true },
+          { text: 'map' },
+          { text: 'async' },
+          { text: 'enum' }
+        ],
+        explanation: 'filter is a method used to conditionally create a new array'
+      },
+      {
+        questionText: 'How is a property accessible within a class?',
+        options: [
+          { text: 'Using this.propertyName', correct: true },
+          { text: 'Accessors' },
+          { text: 'Destructuring' },
+          { text: 'Arrow function' }
+        ],
+        explanation: 'this.propertyName is the way to access a specific property within a class'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'create-first-app',
+    milestone: 'Creating your first app',
+    summary: 'Angular allows us to create an app that contains components and modules as well as a system for bootstrapping the app.',
+    image: 'first_app.png',
+    questions: [
+      {
+        questionText: 'Which of the following are true statements about Angular?',
+        options: [
+          { text: 'Angular is a development platform.' },
+          { text: 'Angular minimizes much of the code you would have to write.' },
+          { text: 'Angular extends HTML\'s syntax to define your HTML components.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of the above are true statements about Angular'
+      },
+      {
+        questionText: 'Which of the following can be added to an Angular class?',
+        options: [
+          { text: 'Properties and methods', correct: true },
+          { text: 'Imports and exports' },
+          { text: 'Template variables' },
+          { text: 'Styles' }
+        ],
+        explanation: 'properties and methods can be added to a class in Angular'
+      },
+      {
+        questionText: 'How is a class adorned in Angular?',
+        options: [
+          { text: 'Using the @Component decorator.', correct: true },
+          { text: 'Using the @Injectable decorator.' },
+          { text: 'Using the @Input decorator.' },
+          { text: 'Using the @Output decorator.' }
+        ],
+        explanation: 'a class is adorned with the @Component decorator in Angular'
+      },
+      {
+        questionText: 'What is the purpose of a decorator in TypeScript?',
+        options: [
+          { text: 'To attach metadata to a class, function, property or variable.', correct: true },
+          { text: 'To add properties and methods to the class.' },
+          { text: 'To minimize the amount of code you will write.' },
+          { text: 'To perform databinding.' }
+        ],
+        explanation: 'a decorator attaches metadata to a class, function, property or variable'
+      },
+      {
+        questionText: 'Which defines the location of a component?',
+        options: [
+          { text: 'decorator' },
+          { text: 'selector', correct: true },
+          { text: 'template' },
+          { text: 'templateUrl' }
+        ],
+        explanation: 'a selector defines the location of a component in Angular'
+      },
+      {
+        questionText: 'Which defines the HTML code that the component generates?',
+        options: [
+          { text: 'decorator' },
+          { text: 'selector' },
+          { text: 'template', correct: true },
+          { text: 'templateUrl' }
+        ],
+        explanation: 'a template contains the HTML code that a component generates'
+      },
+      {
+        questionText: 'Which is used for grouping Angular building blocks together?',
+        options: [
+          { text: 'NgModule', correct: true },
+          { text: 'template' },
+          { text: 'selector' },
+          { text: 'decorator' }
+        ],
+        explanation: 'the NgModule is used to group Angular components and modules together'
+      },
+      {
+        questionText: 'How is an Angular module adorned?',
+        options: [
+          { text: '@NgModule', correct: true },
+          { text: '@Component' },
+          { text: '@Injectable' },
+          { text: '@Output' }
+        ],
+        explanation: '@NgModule is used to decorate an Angular module'
+      },
+      {
+        questionText: 'Which array specifies components belonging to AppModule?',
+        options: [
+          { text: 'imports' },
+          { text: 'declarations', correct: true },
+          { text: 'bootstrap' },
+          { text: 'providers' }
+        ],
+        explanation: 'the declarations array contains all the components that belong to AppModule'
+      },
+      {
+        questionText: 'Which of the following code is used for bootstrapping an app?',
+        options: [
+          { text: '<app-module #bootstrap></app-module>' },
+          { text: '<bootstrap>AppModule</bootstrap>' },
+          { text: 'bootstrap: [AppModule]' },
+          { text: 'platformBrowserDynamic().bootstrapModule(AppModule);', correct: true }
+        ],
+        explanation: 'passing AppModule into the platformBrowserDynamic() is the method used for bootstrapping an Angular app'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'templates',
+    milestone: 'Templates',
+    summary: 'Angular has a very expressive template system, which takes HTML as a base, and extends it with custom elements.',
+    image: 'template.png',
+    questions: [
+      {
+        questionText: 'What characters are used for text interpolation?',
+        options: [
+          { text: 'backticks: ``', correct: true },
+          { text: 'double curlies {{ }}' },
+          { text: 'double ampersand &&' },
+          { text: 'double pipes ||' }
+        ],
+        explanation: 'backticks are used in Angular for insertion of text'
+      },
+      {
+        questionText: 'Which characters are used to include a property value?',
+        options: [
+          { text: 'backticks: ``' },
+          { text: 'double curlies: {{ }}', correct: true },
+          { text: 'double ampersand: &&' },
+          { text: 'double pipes: ||' }
+        ],
+        explanation: 'double curlies are used to insert a property value inside a template'
+      },
+      {
+        questionText: 'How can you pass a value to a child element\'s attribute?',
+        options: [
+          { text: 'Use string interpolation {{ property }}', correct: true },
+          { text: 'Call a function' },
+          { text: 'Using the export keyword' },
+          { text: 'Use [attribute]="property"', correct: true }
+        ],
+        explanation: 'properties can be based to a child element using string interpolation or [attribute]="property" syntax'
+      },
+      {
+        questionText: 'Which is a shortcut for applying a class name based on value of property?',
+        options: [
+          { text: '{{ property }}' },
+          { text: '``property``' },
+          { text: '[class.property]="isProperty"', correct: true },
+          { text: 'property$' }
+        ],
+        explanation: 'we use the [class.property] syntax to assign a class name based on a value of property.'
+      },
+      {
+        questionText: 'What is the proper way to bind styles to a button in Angular?',
+        options: [
+          { text: '<button {{style}}></button>' },
+          { text: '<button style="color: blue"' },
+          { text: '<button [style.color]="blue">', correct: true },
+          { text: '<button>insert style ligature</button>' }
+        ],
+        explanation: '[style.styleProperty] is the way of binding a style to an element in Angular'
+      },
+      {
+        questionText: 'Which of the following are examples of event bindings in Angular?',
+        options: [
+          { text: '[click]' },
+          { text: '@click' },
+          { text: '(click)', correct: true },
+          { text: 'on-click', correct: true }
+        ],
+        explanation: '(click) and its HTML equivalent \'on-click\' are examples of event bindings'
+      },
+      {
+        questionText: 'How do we provide access to an HTML element or Angular component from the template?',
+        options: [
+          { text: 'Use attribute binding [attr]="name"' },
+          { text: 'Use backticks' },
+          { text: 'Use double curlies' },
+          { text: 'Mark it with #name', correct: true }
+        ],
+        explanation: 'marking it with #name is the way to access the HTML element from an Angular template'
+      },
+      {
+        questionText: 'What mechanism does Angular provide for handling keyboard shortcuts?',
+        options: [
+          { text: 'event binding' },
+          { text: 'data binding' },
+          { text: 'text interpolation' },
+          { text: '(keydown.control.enter)', correct: true }
+        ],
+        explanation: '(keydown.control.enter) is Angular\'s syntax for handling keyboard shortcuts'
+      },
+      {
+        questionText: 'Which directive adds or removes an element from the DOM?',
+        options: [
+          { text: '*ngFor' },
+          { text: '*ngIf', correct: true },
+          { text: '*ngSwitch' },
+          { text: '[ngStyle]' }
+        ],
+        explanation: 'ngIf is used to conditionally add or remove an element from the DOM'
+      },
+      {
+        questionText: 'Which directive can be used to display an array of cat images?',
+        options: [
+          { text: '*ngFor', correct: true },
+          { text: '*ngIf' },
+          { text: '*ngSwitch' },
+          { text: '[ngStyle]' }
+        ],
+        explanation: 'the ngFor directive is used to display entire arrays or objects'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'dependency-injection',
+    milestone: 'Dependency Injection',
+    summary: 'Dependency Injection is a way of providing dependencies in your code instead of hard-coding them.',
+    image: 'DIDiagram.png',
+    questions: [
+      {
+        questionText: 'What is the objective of dependency injection?',
+        options: [
+          { text: 'Pass the service to the client.', correct: true },
+          { text: 'Allow the client to find service.', correct: true },
+          { text: 'Allow the client to build service.' },
+          { text: 'Give the client part service.' }
+        ],
+        explanation: 'a service gets passed to the client during DI'
+      },
+      {
+        questionText: 'Which of the following benefit from dependency injection?',
+        options: [
+          { text: 'Programming' },
+          { text: 'Testability' },
+          { text: 'Software design' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'DI simplifies both programming and testing as well as being a popular design pattern'
+      },
+      {
+        questionText: 'In which of the following does dependency injection occur?',
+        options: [
+          { text: '@Injectable()' },
+          { text: 'constructor', correct: true },
+          { text: 'function' },
+          { text: 'NgModule' }
+        ],
+        explanation: 'object instantiations are taken care of by the constructor in Angular'
+      },
+      {
+        questionText: 'What is the first step in setting up dependency injection?',
+        options: [
+          { text: 'Require in the component.' },
+          { text: 'Provide in the module.' },
+          { text: 'Mark dependency as @Injectable().', correct: true },
+          { text: 'Declare an object.' }
+        ],
+        explanation: 'the first step is marking the class as @Injectable()'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'component-tree',
+    milestone: 'Component Trees',
+    summary: 'An Angular application can be thought of as a tree of reusable components.',
+    image: 'tree.png',
+    questions: [
+      {
+        questionText: 'How does a parent component pass data to its child component?',
+        options: [
+          { text: 'Using data binding.' },
+          { text: 'Using functions.' },
+          { text: 'Using properties.', correct: true },
+          { text: 'Using DOM manipulation.' }
+        ],
+        explanation: 'a parent component can pass data to its child via properties'
+      },
+      {
+        questionText: 'How can one component render another one?',
+        options: [
+          { text: 'Using an HTML element that matches selector of other component.', correct: true },
+          { text: 'Using data binding.' },
+          { text: 'Using properties.' },
+          { text: 'Passing components via functions.' }
+        ],
+        explanation: 'a component can display another component by matching the selector of the other component'
+      },
+      {
+        questionText: 'How do components know about each other?',
+        options: [
+          { text: 'If they are declared in the same module.', correct: true },
+          { text: 'If they are passed to each other.' },
+          { text: 'Using export.' },
+          { text: 'Using property binding.' }
+        ],
+        explanation: 'components can only know about each other if they are declared in the same module'
+      },
+      {
+        questionText: 'How must a child decorate its properties to pass data?',
+        options: [
+          { text: 'Using the @Input() decorator.', correct: true },
+          { text: 'Using the @Output() decorator.' },
+          { text: 'Using the @Injectable decorator.' },
+          { text: 'Using the @Component decorator.' }
+        ],
+        explanation: 'properties must be decorated with @Input() in a child in order to pass data to its parent'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'router',
+    milestone: 'Angular Router',
+    summary: 'Angular Router helps developers build Single Page Applications with multiple views and allow navigation between those views.',
+    image: 'router.png',
+    questions: [
+      {
+        questionText: 'Which is used to assign URLs to different parts of your app?',
+        options: [
+          { text: 'Router', correct: true },
+          { text: 'Forms' },
+          { text: 'Templates' },
+          { text: 'Material' }
+        ],
+        explanation: 'Router is used to provide URLs to the different parts of your app.'
+      },
+      {
+        questionText: 'How are routes configured in Angular?',
+        options: [
+          { text: 'In a routing module.' },
+          { text: 'By defining an array of mapping between URL path and a component.', correct: true },
+          { text: 'When the app is being bootstrapped.' },
+          { text: 'In tsconfig.json' }
+        ],
+        explanation: 'routes are configured by defining an array of mapping between URL path and a component'
+      },
+      {
+        questionText: 'How does Angular know about the routing configuration?',
+        options: [
+          { text: 'We have to pass the config to our module.', correct: true },
+          { text: 'When the app is being bootstrapped.' },
+          { text: 'It is specified in tsconfig.json' },
+          { text: 'It looks for the config in router-outlet.' }
+        ],
+        explanation: 'routes are configured by defining an array of mapping between URL path and a component'
+      },
+      {
+        questionText: 'Which of the following creates an Angular module from our configuration?',
+        options: [
+          { text: 'RouterModule.forRoot', correct: true },
+          { text: 'router-outlet' },
+          { text: 'routerLink' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'RouterModule.forRoot establishes an Angular module from the routing configuration'
+      },
+      {
+        questionText: 'What tag is used to tell the router where to display a selected component?',
+        options: [
+          { text: 'routerLink' },
+          { text: '<router-outlet> tag ', correct: true },
+          { text: 'navigate' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'the router-outlet tag tells the router to display selected component(s)'
+      },
+      {
+        questionText: 'Which directive is used to provide a URL in creating a route?',
+        options: [
+          { text: 'routerLink', correct: true },
+          { text: '<router-outlet> tag' },
+          { text: 'navigate' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'the routerLink directive is used to provide the URL necessary for routing'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'material',
+    milestone: 'Angular Material',
+    summary: 'Angular Material provides a set of Material Design components that are consistent, versatile and look great on mobile devices.',
+    image: 'material.png',
+    questions: [
+      {
+        questionText: 'Which of the following is the official website for Angular Material?',
+        options: [
+          { text: 'https://www.angular.io' },
+          { text: 'https://www.material.io' },
+          { text: 'https://material.angular.io', correct: true },
+          { text: 'https://www.github.com/angular/material' }
+        ],
+        explanation: 'the official website for Angular Material is material.angular.io'
+      },
+      {
+        questionText: 'Where are Angular Material modules declared in NgModule?',
+        options: [
+          { text: 'imports', correct: true },
+          { text: 'declarations' },
+          { text: 'providers' },
+          { text: 'schemas' }
+        ],
+        explanation: 'the imports section of NgModule is where Angular Material modules are declared'
+      },
+      {
+        questionText: 'Which of the following is true about Angular Material Design components?',
+        options: [
+          { text: 'They are fast and consistent.' },
+          { text: 'They look great on mobile.' },
+          { text: 'They can be themed.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of these are true about Angular Material components.'
+      },
+      {
+        questionText: 'Where are Angular Material components used?',
+        options: [
+          { text: 'In the template file.', correct: true },
+          { text: 'In the TypeScript file.' },
+          { text: 'In the CSS file.' },
+          { text: 'All of the above.' }
+        ],
+        explanation: 'Angular Material components are utilized in the template file'
+      },
+      {
+        questionText: 'Which tag can be used to display a card header in Angular Material?',
+        options: [
+          { text: 'mat-card' },
+          { text: 'mat-card-avatar' },
+          { text: 'mat-card-header', correct: true },
+          { text: 'mat-card-image' }
+        ],
+        explanation: 'the mat-card-header is used to display the header information inside an Angular mat-card'
+      },
+      {
+        questionText: 'Which tag can be used to display actions in Angular Material?',
+        options: [
+          { text: 'mat-button' },
+          { text: 'mat-raised-button' },
+          { text: 'mat-card-content' },
+          { text: 'mat-card-actions', correct: true }
+        ],
+        explanation: 'the mat-card-actions tag is used to display actions inside an Angular Material template'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'forms',
+    milestone: 'Angular Forms',
+    summary: 'Angular forms build upon standard HTML forms to help create custom form controls and support easy validation.',
+    image: 'forms.png',
+    questions: [
+      {
+        questionText: 'What is the first step in using Angular Forms?',
+        options: [
+          { text: 'Add FormsModule/ReactiveFormsModule in NgModule.', correct: true },
+          { text: 'Add form tag to the template.' },
+          { text: 'Add form fields in the template.' },
+          { text: 'Add form validation fields to the TypeScript file.' }
+        ],
+        explanation: 'we must first add FormsModule to the imports section of NgModule'
+      },
+      {
+        questionText: 'What syntax is used to bind inputs to fields on the component?',
+        options: [
+          { text: '{{ngModel}}' },
+          { text: '[(ngModel)]', correct: true },
+          { text: '[ngModel]' },
+          { text: '*ngModel' }
+        ],
+        explanation: 'the "banana-in-a-box" syntax [(ngModel]] is used for binding inputs to fields'
+      },
+      {
+        questionText: 'How do you provide validation for your inputs?',
+        options: [
+          { text: 'Using required keyword', correct: true },
+          { text: 'Using valid keyword' },
+          { text: 'Using matInput' },
+          { text: 'Using mat-error' }
+        ],
+        explanation: 'by placing the "required" keyword on an input field, it marks the field for validation'
+      },
+      {
+        questionText: 'Which of the following are steps to display a validation error?',
+        options: [
+          { text: 'Use #name="ngModel" binding.', correct: true },
+          { text: 'Use usernameModel\'s errors property.', correct: true },
+          { text: 'Use mat-error.' },
+          { text: 'Use required keyword.' }
+        ],
+        explanation: 'using #name="ngModel" and using usernameModel\'s error property are the two steps to display a validation error'
+      },
+      {
+        questionText: 'Which is NOT a built-in validator that Angular provides?',
+        options: [
+          { text: 'min' },
+          { text: 'minLength' },
+          { text: 'required' },
+          { text: 'password', correct: true }
+        ],
+        explanation: 'password is not a built-in validator which Angular provides'
+      },
+      {
+        questionText: 'Which is true if the user changed the value of the input?',
+        options: [
+          { text: 'dirty', correct: true },
+          { text: 'touched' },
+          { text: 'untouched' },
+          { text: 'pristine' }
+        ],
+        explanation: 'dirty is true when the user changes the value of the input '
+      },
+      {
+        questionText: 'Which is true if the user focused on the input and then blurred without changing the value?',
+        options: [
+          { text: 'dirty' },
+          { text: 'touched', correct: true },
+          { text: 'untouched' },
+          { text: 'pristine' }
+        ],
+        explanation: 'touched is true when the user focuses on input and then blurred'
+      },
+      {
+        questionText: 'Which of the following wraps the input in an Angular Material form?',
+        options: [
+          { text: 'mat-form-field', correct: true },
+          { text: 'matInput' },
+          { text: 'mat-error' },
+          { text: 'mat-card' }
+        ],
+        explanation: 'mat-form-field surrounds the input in an Angular Material form'
+      },
+      {
+        questionText: 'How is an error shown in an Angular Material form?',
+        options: [
+          { text: 'mat-form-field' },
+          { text: 'matInput' },
+          { text: 'mat-error', correct: true },
+          { text: 'mat-card' }
+        ],
+        explanation: 'the mat-error tag is used to show an error in an Angular Material form'
+      }
+    ],
+    status: ''
+  },
+  {
+    quizId: 'angular-cli',
+    milestone: 'Angular-CLI',
+    summary: 'The Angular CLI is a command-line interface tool used for initializing, developing, scaffolding and maintaining Angular applications.',
+    image: 'angular-cli.png',
+    questions: [
+      {
+        questionText: 'Which is a prerequisite for using Angular-CLI?',
+        options: [
+          { text: 'NodeJS', correct: true },
+          { text: 'JavaScript' },
+          { text: 'Github' },
+          { text: 'WebStorm' }
+        ],
+        explanation: 'NodeJS needs to be installed on your machine before setting up Angular-CLI'
+      },
+      {
+        questionText: 'How is Angular-CLI installed?',
+        options: [
+          { text: 'npm install -g @angular/cli', correct: true },
+          { text: 'ng new "my-app-name' },
+          { text: 'cd my-app-name' },
+          { text: 'ng serve command' }
+        ],
+        explanation: 'Angular-CLI is installed using the "npm install -g @angular/cli" command'
+      },
+      {
+        questionText: 'How can you run an app that is built with Angular-CLI?',
+        options: [
+          { text: 'ng serve', correct: true },
+          { text: 'ng new "my-app-name"' },
+          { text: 'npm start' },
+          { text: 'node -v' }
+        ],
+        explanation: 'ng serve is the command that is required to run an app built with Angular-CLI'
+      },
+      {
+        questionText: 'Which URL should be viewed in the browser to see the app running?',
+        options: [
+          { text: 'http://www.google.com' },
+          { text: 'http://angular.io' },
+          { text: 'http://localhost' },
+          { text: 'http://localhost:4200/', correct: true  }
+        ],
+        explanation: 'viewing http://localhost:4200/ allows us to view the app in the browser'
+      },
+      {
+        questionText: 'What command is used to create a new service using the Angular-CLI?',
+        options: [
+          { text: 'ng g c my-component' },
+          { text: 'ng g m my-module' },
+          { text: 'ng g s my-service', correct: true },
+          { text: 'ng g p my-pipe' }
+        ],
+        explanation: 'a service is created using the ng g s shortcut command'
+      },
+      {
+        questionText: 'Which is a true statement about the Angular CLI?',
+        options: [
+          { text: 'It is a command-line tool that makes it easy to generate new components.' },
+          { text: 'It allows for fast scaffolding of an application that works easily.' },
+          { text: 'It takes care of the build system for you.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of the above are true statements about the Angular-CLI'
+      }
+    ],
+    status: ''
+  }
+];
+
+export const QUIZ_RESOURCES: QuizResource[] = [
+  {
+    quizId: 'TS_Quiz',
+    milestone: 'TypeScript',
+    resources: [
+      {
+        title: 'TypeScript language website',
+        url: 'https://www.typescriptlang.org',
+        host: 'TypeScript website'
+      },
+      {
+        title: 'Microsoft TypeScript GitHub page',
+        url: 'https://github.com/microsoft/TypeScript',
+        host: 'GitHub'
+      },
+      {
+        title: 'TypeScript Wiki',
+        url: 'https://en.wikipedia.org/wiki/TypeScript',
+        host: 'Wikipedia'
+      },
+      {
+        title: 'TypeScript blog',
+        url: 'https://devblogs.microsoft.com/typescript/',
+        host: 'Microsoft dev blogs'
+      }
+    ]
+  },
+  {
+    quizId: 'create-first-app',
+    milestone: 'Creating your first app',
+    resources: [
+      {
+        title: 'Getting started with a basic Angular app',
+        url: 'https://angular.io/start',
+        host: 'angular.io'
+      },
+      {
+        title: 'Creating Your First Angular App: Basics',
+        url: 'https://code.tutsplus.com/tutorials/creating-your-first-angular-app-basics--cms-30092',
+        host: 'envatotuts+'
+      },
+    ]
+  },
+  {
+    quizId: 'templates',
+    milestone: 'Templates',
+    resources: [
+      {
+        title: 'Introduction to components and templates',
+        url: 'https://angular.io/guide/architecture-components#:~:text=Angular%20templates%20are%20dynamic.,component%20is%20technically%20a%20directive.',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular 4 - Templates',
+        url: 'https://www.tutorialspoint.com/angular4/angular4_templates.htm',
+        host: 'tutorialspoint'
+      },
+      {
+        title: 'Angular templates and views',
+        url: 'https://howtodoinjava.com/angular/angular-templates-and-views/#:~:text=A%20template%20is%20an%20HTML,component%20defines%20that%20component\'s%20view.',
+        host: 'HowToDoInJava'
+      }
+    ]
+  },
+  {
+    quizId: 'dependency-injection',
+    milestone: 'Dependency Injection',
+    resources: [
+      {
+        title: 'Dependency injection in Angular',
+        url: 'https://angular.io/guide/dependency-injection',
+        host: 'angular.io'
+      },
+      {
+        title: 'Dependency injection in action',
+        url: 'https://angular.io/guide/dependency-injection-in-action',
+        host: 'angular.io'
+      },
+      {
+        title: 'Introduction to services and dependency injection',
+        url: 'https://angular.io/guide/architecture-services',
+        host: 'angular.io'
+      },
+      {
+        title: 'Total Guide To Angular 6+ Dependency Injection...',
+        url: 'https://medium.com/@tomastrajan/total-guide-to-angular-6-dependency-injection-providedin-vs-providers-85b7a347b59f',
+        host: 'medium.com'
+      }
+    ]
+  },
+  {
+    quizId: 'component-tree',
+    milestone: 'Component Trees',
+    resources: [
+      {
+        title: 'Introduction to Angular concepts',
+        url: 'https://angular.io/guide/architecture',
+        host: 'angular.io'
+      },
+      {
+        title: 'The Core Concepts of Angular',
+        url: 'https://vsavkin.com/the-core-concepts-of-angular-2-c3d6cbe04d04',
+        host: 'vsavkin.com'
+      }
+    ]
+  },
+  {
+    quizId: 'router',
+    milestone: 'Angular Router',
+    resources: [
+      {
+        title: 'In-app navigation: routing to views',
+        url: 'https://angular.io/guide/router',
+        host: 'angular.io'
+      },
+      {
+        title: 'API: @angular/router',
+        url: 'https://angular.io/api/router',
+        host: 'angular.io'
+      },
+      {
+        title: 'A Complete Guide To Routing In Angular',
+        url: 'https://www.smashingmagazine.com/2018/11/a-complete-guide-to-routing-in-angular/',
+        host: 'Smashing Magazine'
+      },
+      {
+        title: 'Using Route Parameters',
+        url: 'https://angular-2-training-book.rangle.io/routing/routeparams',
+        host: 'Rangle.io'
+      }
+    ]
+  },
+  {
+    quizId: 'material',
+    milestone: 'Angular Material',
+    resources: [
+      {
+        title: 'Getting Started with Angular Material',
+        url: 'https://material.angular.io/guide/getting-started',
+        host: 'Angular Material official website'
+      },
+      {
+        title: 'Angular Material UI component library',
+        url: 'https://material.angular.io',
+        host: 'Angular Material official website'
+      },
+      {
+        title: 'Material Design',
+        url: 'https://www.material.io',
+        host: 'material.io'
+      },
+      {
+        title: 'Angular Material 7 Tutorial',
+        url: 'https://www.tutorialspoint.com/angular_material7/index.htm',
+        host: 'tutorialspoint'
+      }
+    ]
+  },
+  {
+    quizId: 'forms',
+    milestone: 'Angular Forms',
+    resources: [
+      {
+        title: 'Introduction to forms in Angular',
+        url: 'https://angular.io/guide/forms-overview',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular Forms Guide - Template Driven and Reactive Forms',
+        url: 'https://blog.angular-university.io/introduction-to-angular-2-forms-template-driven-vs-model-driven/',
+        host: 'Angular University'
+      },
+      {
+        title: 'Template-Driven Form Validation In Angular',
+        url: 'https://ankitsharmablogs.com/template-driven-form-validation-in-angular/',
+        host: 'Ankit Sharma\'s Blog',
+      },
+      {
+        title: 'How to validate Angular Reactive Forms',
+        url: 'https://www.freecodecamp.org/news/how-to-validate-angular-reactive-forms/',
+        host: 'freecodecamp.org'
+      }
+    ]
+  },
+  {
+    quizId: 'angular-cli',
+    milestone: 'Angular-CLI',
+    resources: [
+      {
+        title: 'CLI Overview and Command Reference',
+        url: 'https://angular.io/cli',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular 8 Tutorial: Build your First Angular App',
+        url: 'https://www.techiediaries.com/angular-8-tutorial-build-first-angular-calculator-app/',
+        host: 'TechieDiaries'
+      },
+      {
+        title: 'Starting an Angular app with the Angular CLI',
+        url: 'https://scotch.io/courses/build-your-first-angular-website/starting-an-angular-app-with-the-angular-cli',
+        host: 'Scotch'
+      }
+    ]
+  }
+];
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/services/index.ts b/codelab-master/apps/playground/src/app/quiz/shared/services/index.ts
new file mode 100644
index 000000000..d166a24ff
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/services/index.ts
@@ -0,0 +1,2 @@
+export { QuizService } from './quiz.service';
+export { TimerService } from './timer.service';
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/services/quiz.service.ts b/codelab-master/apps/playground/src/app/quiz/shared/services/quiz.service.ts
new file mode 100644
index 000000000..70ba48dfd
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/services/quiz.service.ts
@@ -0,0 +1,294 @@
+import { Injectable, OnDestroy } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { HttpClient } from '@angular/common/http';
+import { BehaviorSubject, Observable, Subject } from 'rxjs';
+import { map, takeUntil } from 'rxjs/operators';
+import { Howl } from 'howler';
+import cloneDeep from 'lodash.cloneDeep';
+
+import { QUIZ_DATA, QUIZ_RESOURCES } from '@codelab-quiz/shared/data/*';
+import { Option, Quiz, QuizQuestion, QuizResource, Resource, Score } from '@codelab-quiz/shared/models/';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class QuizService implements OnDestroy {
+  quizData: Quiz[];
+  quizInitialState: Quiz[];
+  quizResources: QuizResource[];
+  question: QuizQuestion;
+  questions: QuizQuestion[];
+  currentQuestion: QuizQuestion;
+  resources: Resource[];
+  answers: number[];
+  totalQuestions: number;
+  currentQuestionIndex = 1;
+
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizId: string;
+  indexOfQuizId: number;
+
+  startedQuizId: string;
+  continueQuizId: string;
+  completedQuizId: string;
+  quizCompleted: boolean;
+  status: string;
+
+  correctAnswers = [];
+  correctAnswersForEachQuestion = [];
+  correctAnswerOptions: number[] = [];
+  numberOfCorrectAnswers: number;
+  correctAnswersCountSubject = new BehaviorSubject<number>(0);
+  userAnswers = [];
+
+  explanationText: string;
+  correctOptions: string;
+  correctMessage: string;
+
+  multipleAnswer: boolean;
+  checkedShuffle: boolean;
+
+  score: Score;
+  highScores: Score[];
+  highScoresLocal = JSON.parse(localStorage.getItem("highScoresLocal")) || [];
+
+  unsubscribe$ = new Subject<void>();
+  private url = "assets/data/quiz.json";
+
+  correctSound = new Howl({
+    src: "assets/audio/sound-correct.mp3"
+  });
+  incorrectSound = new Howl({
+    src: "assets/audio/sound-incorrect.mp3"
+  });
+
+  constructor(
+    private activatedRoute: ActivatedRoute,
+    private router: Router,
+    private http: HttpClient
+  ) {
+    this.quizData = QUIZ_DATA;
+    this.quizInitialState = cloneDeep(QUIZ_DATA);
+    this.quizResources = QUIZ_RESOURCES;
+
+    this.quizName$ = this.activatedRoute.url.pipe(
+      map((segments) => segments[1].toString())
+    );
+
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+
+    this.indexOfQuizId = this.quizData.findIndex(
+      (elem) => elem.quizId === this.quizId
+    );
+
+    this.returnQuizSelectionParams();
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  /********* getter functions ***********/
+  getQuiz(): Quiz[] {
+    return this.quizData;
+  }
+
+  getResources(): QuizResource[] {
+    return this.quizResources;
+  }
+
+  getQuizzes(): Observable <Quiz[]> {
+    return this.http.get<Quiz[]>(`${this.url}`);
+  }
+
+  getCorrectAnswers(question: QuizQuestion): Option[] {
+    if (question) {
+      const identifiedCorrectAnswers = question.options.filter((option) => option.correct);
+      this.numberOfCorrectAnswers = identifiedCorrectAnswers.length;
+      this.correctAnswerOptions = identifiedCorrectAnswers.map(
+        option => question.options.indexOf(option) + 1
+      );
+
+      this.setCorrectAnswers(question);
+      this.setCorrectMessage(this.correctAnswersForEachQuestion.sort());
+      this.setExplanationText(question);
+      return identifiedCorrectAnswers;
+    }
+  }
+
+  calculatePercentageOfCorrectlyAnsweredQuestions(): number {
+    return Math.ceil((this.correctAnswersCountSubject.getValue() / this.totalQuestions) * 100);
+  }
+
+  saveHighScores(): void {
+    this.score = {
+      quizId: this.quizId,
+      attemptDateTime: new Date(),
+      score: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+      totalQuestions: this.totalQuestions
+    };
+
+    const MAX_HIGH_SCORES = 10;         // show results of the last 10 quizzes
+    this.highScoresLocal.push(this.score);
+    this.highScoresLocal.sort((a, b) => b.attemptDateTime - a.attemptDateTime);
+    this.highScoresLocal.reverse();     // show high scores from most recent to latest
+    this.highScoresLocal.splice(MAX_HIGH_SCORES);
+    localStorage.setItem("highScoresLocal", JSON.stringify(this.highScoresLocal));
+    this.highScores = this.highScoresLocal;
+  }
+
+  /********* setter functions ***********/
+  setCorrectAnswers(question: QuizQuestion): void {
+    if (question) {
+      const correctAnswerAdded = this.correctAnswers.find(q => q.questionId === question.explanation) !== undefined;
+      if (correctAnswerAdded === false) {
+        this.correctAnswersForEachQuestion.push(this.correctAnswerOptions);
+        this.correctAnswers.push({
+          questionId: question.explanation,
+          answers: this.correctAnswersForEachQuestion.sort()
+        });
+      }
+    }
+  }
+
+  setCorrectMessage(correctAnswersArray: number[]): void {
+    const correctAnswers = correctAnswersArray.flat();
+
+    for (let i = 0; i < correctAnswersArray.length; i++) {
+      if (correctAnswers[i]) {
+        this.correctOptions = correctAnswers[i];
+        this.correctMessage = "The correct answer is Option " + this.correctOptions + ".";
+      }
+
+      if (correctAnswers[i] && correctAnswers[i + 1]) {
+        this.correctOptions = correctAnswers[i].toString().concat(" and " + correctAnswers[i + 1]);
+        this.correctMessage = "The correct answers are Options " + this.correctOptions + ".";
+      }
+
+      if (correctAnswers[i] && correctAnswers[i + 1] && correctAnswers[i + 2]) {
+        this.correctOptions = correctAnswers[i].toString().concat(
+                                ", ", correctAnswers[i + 1] + " and " + correctAnswers[i + 2]);
+        this.correctMessage = "The correct answers are Options " + this.correctOptions + ".";
+      }
+      if (correctAnswers.length === this.question.options.length) {
+        this.correctOptions = "All are correct!";
+        this.correctMessage = "All are correct!";
+      }
+    }
+  }
+
+  setExplanationText(question: QuizQuestion): void {
+    if (question) {
+      this.explanationText = question.explanation;
+    }
+  }
+
+  setQuizStatus(value: string): void {
+    this.status = value;
+  }
+
+  setQuizId(value: string): void {
+    this.quizId = value;
+  }
+
+  setStartedQuizId(value: string) {
+    this.startedQuizId = value;
+  }
+
+  setContinueQuizId(value: string) {
+    this.continueQuizId = value;
+  }
+
+  setCompletedQuizId(value: string) {
+    this.completedQuizId = value;
+  }
+
+  setQuestion(value: QuizQuestion): void {
+    this.question = value;
+  }
+
+  setQuestions(value: QuizQuestion[]): void {
+    this.questions = value;
+  }
+
+  setTotalQuestions(value: number): void {
+    this.totalQuestions = value;
+  }
+
+  setChecked(value: boolean): void {
+    this.checkedShuffle = value;
+  }
+
+  setMultipleAnswer(value: boolean): void {
+    this.multipleAnswer = value;
+  }
+
+  setCurrentQuestion(value: QuizQuestion): void {
+    this.currentQuestion = value;
+  }
+
+  setResources(value: Resource[]): void {
+    this.resources = value;
+  }
+
+  sendCorrectCountToResults(value: number): void {
+    this.correctAnswersCountSubject.next(value);
+  }
+
+  // generically shuffle arrays in-place using Durstenfeld's shuffling algorithm
+  shuffle<T>(arg: T[]): void {
+    for (let i = arg.length - 1; i >= 0; i--) {
+      const j = Math.floor(Math.random() * (i + 1));
+      [arg[i], arg[j]] = [arg[j], arg[i]];
+    }
+  }
+
+  returnQuizSelectionParams(): Object {
+    return new Object({
+      startedQuizId: this.startedQuizId,
+      continueQuizId: this.continueQuizId,
+      completedQuizId: this.completedQuizId,
+      quizCompleted: this.quizCompleted,
+      status: this.status
+    });
+  }
+
+  /********* navigation functions ***********/
+  navigateToNextQuestion(): void {
+    this.quizCompleted = false;
+    this.currentQuestionIndex++;
+    const questionIndex = this.currentQuestionIndex;
+    this.router.navigate(["/quiz/question/", this.quizId, questionIndex]).then();
+    this.resetAll();
+  }
+
+  navigateToPreviousQuestion(): void {
+    this.quizCompleted = false;
+    this.router.navigate(["/quiz/question/", this.quizId, this.currentQuestionIndex - 1]).then();
+    this.resetAll();
+  }
+
+  navigateToResults(): void {
+    this.quizCompleted = true;
+    this.router.navigate(["/quiz/results/", this.quizId]).then();
+  }
+
+  /********* reset functions ***********/
+  resetQuestions(): void {
+    this.quizData = cloneDeep(this.quizInitialState);
+  }
+
+  resetAll(): void {
+    this.answers = null;
+    this.correctAnswersForEachQuestion = [];
+    this.correctAnswerOptions = [];
+    this.correctOptions = "";
+    this.correctMessage = "";
+    this.explanationText = "";
+    this.currentQuestionIndex = 0;
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/shared/services/timer.service.ts b/codelab-master/apps/playground/src/app/quiz/shared/services/timer.service.ts
new file mode 100644
index 000000000..9baec4055
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/shared/services/timer.service.ts
@@ -0,0 +1,58 @@
+import { Injectable } from '@angular/core';
+import { BehaviorSubject, Observable } from 'rxjs';
+import { shareReplay } from 'rxjs/operators';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TimerService {
+  timePerQuestion = 20;
+  elapsedTime = 0;
+  elapsedTimes: number[] = [];
+  completionTime: number;
+
+  start$: Observable<number>;
+  reset$: Observable<number>;
+  stop$: Observable<number>;
+  timer: Observable<number>;
+  isStart = new BehaviorSubject<number>(1);
+  isStop = new BehaviorSubject<number>(1);
+  isReset = new BehaviorSubject<number>(1);
+  isTimerStart = false;
+
+  constructor() {
+    this.start$ = this.isStart.asObservable().pipe(shareReplay(1));
+    this.reset$ = this.isReset.asObservable();
+    this.stop$ = this.isStop.asObservable();
+  }
+
+  stopTimer(): void {
+    if (!this.isTimerStart) {
+      return;
+    }
+    this.isTimerStart = false;
+    this.timePerQuestion = 0;
+    this.isStop.next(1);
+    this.elapsedTimes.push(this.elapsedTime);
+  }
+
+  resetTimer(): void {
+    if (!this.isTimerStart) {
+      this.isTimerStart = true;
+      this.isStart.next(1);
+    }
+    this.isTimerStart = true;
+    this.isReset.next(1);
+  }
+
+  setElapsed(time: number): void {
+    this.elapsedTime = time;
+  }
+
+  calculateTotalElapsedTime(elapsedTimes: number[]): number {
+    if (elapsedTimes.length > 0) {
+      this.completionTime = elapsedTimes.reduce((acc, cur) => acc + cur, 0);
+      return this.completionTime;
+    }
+  }
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/styles/_mixins.scss b/codelab-master/apps/playground/src/app/quiz/styles/_mixins.scss
new file mode 100644
index 000000000..c567cc071
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/styles/_mixins.scss
@@ -0,0 +1,43 @@
+@import "variables";
+
+@mixin leader {
+  display: block;
+  font-family: $font-stack;
+  font-weight: $font-weight-max;
+  font-size: 18px;
+  text-transform: uppercase;
+  position: relative;
+  padding: 0 10px;
+  background-color: darken($pastel-green, 5%);
+  color: $black;
+  border-radius: 5px;
+  text-align: center;
+}
+
+@mixin scoreboard-span {
+  font-family: 'DjbUpOnTheScoreboard', $font-stack;
+  font-weight: $font-weight-max;
+  font-size: 30px;
+  color: darken($dark-green, 5%);
+  display: inline-block;
+}
+
+@mixin message {
+  font-weight: $font-weight-max;
+  font-style: italic;
+  font-size: 16px;
+  border-radius: 5px;
+}
+
+
+.leader {
+  @include leader;
+}
+
+span.scoreboard {
+  @include scoreboard-span;
+}
+
+.message, .correct-message, .wrong-message {
+  @include message;
+}
diff --git a/codelab-master/apps/playground/src/app/quiz/styles/_variables.scss b/codelab-master/apps/playground/src/app/quiz/styles/_variables.scss
new file mode 100644
index 000000000..3a4f720af
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/styles/_variables.scss
@@ -0,0 +1,34 @@
+$font-stack: Space Mono, monospace;
+$font-weight-max: 900;
+
+$red: #ff0000;
+$fire-red: #a03800;
+$dark-blue: #4267b2;
+$darker-blue: #00008b;
+$vivid-blue: #3b98fd;
+$soft-blue: #59adeb;
+$chambray-blue: #385d8a;
+$dodger-blue: #007aff;
+$green: #43e756;
+$green-angular-leaf: #36a34a;
+$dark-green: #006400;
+$light-sea-green: #20b2aa;
+$pastel-green: #81e081;
+$fuel-yellow: #f0a121;
+$light-yellow: #fddc30;
+$gray: #808080;
+$medium-gray: #979797;
+$light-gray: #f5f5f5;
+$very-light-gray: #eee;
+$black: #0f0000;
+$dark-brown: #0f0900;
+$white: #ffffff;
+$white-smoke: #f2f2f2;
+$off-white: #fafafa;
+
+$header-image: '../../../assets/images/codelab_logo.jpeg';
+$scoreboard-font: '../../../assets/fonts/DjbUpOnTheScoreboard.ttf';
+$congratulations-font: '../../../assets/fonts/LucidaUnicodeCalligraphy.ttf';
+$facebook-path: '../../../../../assets/images/social-media/facebook.gif';
+$twitter-path: '../../../../../assets/images/social-media/twitter.svg';
+$email-path: '../../../../../assets/images/social-media/email.svg';
diff --git a/codelab-master/apps/playground/src/app/quiz/styles/styles.scss b/codelab-master/apps/playground/src/app/quiz/styles/styles.scss
new file mode 100644
index 000000000..ea561758e
--- /dev/null
+++ b/codelab-master/apps/playground/src/app/quiz/styles/styles.scss
@@ -0,0 +1,120 @@
+@import "~@angular/material/prebuilt-themes/deeppurple-amber.css";
+@import "variables";
+@import "mixins";
+
+@font-face {
+  font-family: 'DjbUpOnTheScoreboard';
+  src: url($scoreboard-font) format('truetype');
+  font-display: swap;
+}
+@font-face {
+  font-family: 'LucidaUnicodeCalligraphy';
+  src: url($congratulations-font) format('truetype');
+  font-display: swap;
+}
+
+html, body {
+  margin: 0;
+  height: 100%;
+}
+
+mat-card {
+  margin-top: 2%;
+  margin-bottom: 20px;
+  width: 680px;
+  height: auto;
+  padding: 20px;
+  border: 1px solid $black;
+  border-radius: 10px !important;
+  box-shadow: 10px 10px 5px $gray !important;
+
+  mat-card-header {
+    text-align: center;
+    display: flex;
+    justify-content: center;
+
+    .header-image {
+      float: left;
+      background: url($header-image) no-repeat center center;
+      background-size: contain;
+      margin: -10px 0 0 -40px;
+      height: 100px !important;
+      width: 180px !important;
+    }
+
+    mat-card-title {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      font-size: 30px !important;
+      margin: -10px 0 10px 10px;
+      color: $vivid-blue;
+      text-align: center;
+    }
+    mat-card-subtitle {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      font-size: 17.5px !important;
+      font-style: italic;
+      color: $gray;
+      text-align: center;
+
+      span {
+        display: block;
+      }
+    }
+  }
+}
+
+.preload {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: 100px;
+  height: 100px;
+}
+
+.preload div {
+  border: 0;
+  margin: 0;
+  width: 40%;
+  height: 40%;
+  position: absolute;
+  border-radius: 50%;
+  animation: spin 2s ease infinite;
+}
+
+.preload :first-child {
+  background: #19a68c;
+  animation-delay: -1.5s;
+}
+
+.preload :nth-child(2) {
+  background: #f63d3a;
+  animation-delay: -1s;
+}
+
+.preload :nth-child(3) {
+  background: #fda543;
+  animation-delay: -0.5s;
+}
+
+.preload :last-child {
+  background: #193b48;
+}
+
+@keyframes spin {
+  0%,
+  100% {
+    transform: translate(0);
+  }
+  25% {
+    transform: translate(160%);
+  }
+  50% {
+    transform: translate(160%, 160%);
+  }
+  75% {
+    transform: translate(0, 160%);
+  }
+}
diff --git a/codelab-master/apps/playground/src/assets/.gitkeep b/codelab-master/apps/playground/src/assets/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/codelab-master/apps/playground/src/assets/audio/sound-correct.mp3 b/codelab-master/apps/playground/src/assets/audio/sound-correct.mp3
new file mode 100644
index 000000000..074d27a0b
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diff --git a/codelab-master/apps/playground/src/assets/audio/sound-incorrect.mp3 b/codelab-master/apps/playground/src/assets/audio/sound-incorrect.mp3
new file mode 100644
index 000000000..3d9a1e866
Binary files /dev/null and b/codelab-master/apps/playground/src/assets/audio/sound-incorrect.mp3 differ
diff --git a/codelab-master/apps/playground/src/assets/fonts/DjbUpOnTheScoreboard.ttf b/codelab-master/apps/playground/src/assets/fonts/DjbUpOnTheScoreboard.ttf
new file mode 100644
index 000000000..ded21514c
Binary files /dev/null and b/codelab-master/apps/playground/src/assets/fonts/DjbUpOnTheScoreboard.ttf differ
diff --git a/codelab-master/apps/playground/src/assets/fonts/LucidaUnicodeCalligraphy.ttf b/codelab-master/apps/playground/src/assets/fonts/LucidaUnicodeCalligraphy.ttf
new file mode 100644
index 000000000..c716b2b15
Binary files /dev/null and b/codelab-master/apps/playground/src/assets/fonts/LucidaUnicodeCalligraphy.ttf differ
diff --git a/codelab-master/apps/playground/src/assets/images/DIDiagram.png b/codelab-master/apps/playground/src/assets/images/DIDiagram.png
new file mode 100644
index 000000000..8aab83cbc
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diff --git a/codelab-master/apps/playground/src/assets/images/angular-cli.png b/codelab-master/apps/playground/src/assets/images/angular-cli.png
new file mode 100644
index 000000000..93e20291d
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diff --git a/codelab-master/apps/playground/src/assets/images/angular.png b/codelab-master/apps/playground/src/assets/images/angular.png
new file mode 100644
index 000000000..6c115fba8
Binary files /dev/null and b/codelab-master/apps/playground/src/assets/images/angular.png differ
diff --git a/codelab-master/apps/playground/src/assets/images/angular.svg b/codelab-master/apps/playground/src/assets/images/angular.svg
new file mode 100644
index 000000000..bf081acb1
--- /dev/null
+++ b/codelab-master/apps/playground/src/assets/images/angular.svg
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Generator: Adobe Illustrator 19.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="0 0 250 250" style="enable-background:new 0 0 250 250;" xml:space="preserve">
+<style type="text/css">
+	.st0{fill:#DD0031;}
+	.st1{fill:#C3002F;}
+	.st2{fill:#FFFFFF;}
+</style>
+<g>
+	<polygon class="st0" points="125,30 125,30 125,30 31.9,63.2 46.1,186.3 125,230 125,230 125,230 203.9,186.3 218.1,63.2 	"/>
+	<polygon class="st1" points="125,30 125,52.2 125,52.1 125,153.4 125,153.4 125,230 125,230 203.9,186.3 218.1,63.2 125,30 	"/>
+	<path class="st2" d="M125,52.1L66.8,182.6h0h21.7h0l11.7-29.2h49.4l11.7,29.2h0h21.7h0L125,52.1L125,52.1L125,52.1L125,52.1
+		L125,52.1z M142,135.4H108l17-40.9L142,135.4z"/>
+</g>
+</svg>
diff --git a/codelab-master/apps/playground/src/assets/images/backpack.svg b/codelab-master/apps/playground/src/assets/images/backpack.svg
new file mode 100644
index 000000000..7c4e4e329
--- /dev/null
+++ b/codelab-master/apps/playground/src/assets/images/backpack.svg
@@ -0,0 +1,65 @@
+<svg viewBox="0 0 24 24" style="enable-background:new 0 0 162.621 162.621;">
+<g>
+	<path style="fill:#F16268;" d="M126.609,19.966c-1.183,0-2.321,0.166-3.394,0.428c7.821,2.17,13.61,9.279,13.61,17.783v19.162
+		c4.449,4.321,7.228,10.354,7.228,17.033v62.365c8.938-14.562,15.526-50.187,4.075-89.628
+		C142.971,29.352,135.531,19.966,126.609,19.966z"/>
+	<path style="fill:#F16268;" d="M25.545,57.336v-19.16c0-8.546,5.845-15.687,13.726-17.818c-1.033-0.243-2.127-0.393-3.259-0.393
+		c-8.922,0-16.362,9.386-21.518,27.142c-11.345,39.078-4.982,74.407,3.822,89.216V74.371C18.316,67.692,21.095,61.658,25.545,57.336
+		z"/>
+	<path style="fill:#71CDDE;" d="M60.59,19.647h8.174c1.452-4.784,6.444-8.341,12.421-8.341c5.975,0,10.967,3.557,12.419,8.341h8.174
+		c-1.671-7.944-10.257-14.018-20.593-14.018C70.847,5.629,62.262,11.703,60.59,19.647z"/>
+	<path style="fill:#71CDDE;" d="M138.424,138.855V74.371c0-2.943-0.772-5.683-2.021-8.143c-1.409,6.593-6.36,11.82-12.738,13.769
+		v8.66c0,4.654-3.788,8.444-8.444,8.444h-3.848c-4.656,0-8.444-3.79-8.444-8.444v-7.773H62.777v7.773
+		c0,4.654-3.788,8.444-8.444,8.444h-3.848c-4.656,0-8.444-3.79-8.444-8.444v-7.979c-7.96-0.885-14.427-6.745-16.074-14.452
+		c-1.25,2.46-2.021,5.202-2.021,8.146v64.483c0,10.001,8.136,18.137,18.137,18.137h78.203
+		C130.287,156.992,138.424,148.855,138.424,138.855z M113.643,151.036H48.727c-10.023,0-18.178-8.154-18.178-18.178v-10.423
+		c0-10.023,8.154-18.178,18.178-18.178h64.916c10.023,0,18.178,8.154,18.178,18.178v10.423
+		C131.821,142.882,123.667,151.036,113.643,151.036z"/>
+	<path style="fill:#F16268;" d="M44.075,25.276c-7.114,0-12.9,5.787-12.9,12.9v24.177c0,6.417,4.722,11.71,10.866,12.694V62.196
+		c0-4.654,3.788-8.444,8.444-8.444h3.848c4.656,0,8.444,3.79,8.444,8.444v13.058h40.152V62.196c0-4.654,3.788-8.444,8.444-8.444
+		h3.848c4.656,0,8.444,3.79,8.444,8.444v11.851c4.432-2.045,7.531-6.502,7.531-11.693V38.177c0-7.113-5.787-12.9-12.9-12.9H44.075z"
+		/>
+	<path style="fill:#71CDDE;" d="M50.485,91.471h3.848c1.552,0,2.815-1.264,2.815-2.814v-26.46c0-1.55-1.262-2.814-2.815-2.814
+		h-3.848c-1.552,0-2.814,1.264-2.814,2.814v26.46C47.67,90.207,48.932,91.471,50.485,91.471z"/>
+	<path style="fill:#71CDDE;" d="M111.373,91.471h3.848c1.553,0,2.814-1.264,2.814-2.814v-26.46c0-1.55-1.262-2.814-2.814-2.814
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+</g></svg>
diff --git a/codelab-master/apps/playground/src/assets/images/codelab_logo.jpeg b/codelab-master/apps/playground/src/assets/images/codelab_logo.jpeg
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diff --git a/codelab-master/apps/playground/src/assets/images/congrats.gif b/codelab-master/apps/playground/src/assets/images/congrats.gif
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diff --git a/codelab-master/apps/playground/src/assets/images/congratulations.jpg b/codelab-master/apps/playground/src/assets/images/congratulations.jpg
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diff --git a/codelab-master/apps/playground/src/assets/images/email.svg b/codelab-master/apps/playground/src/assets/images/email.svg
new file mode 100644
index 000000000..77c5db3ca
--- /dev/null
+++ b/codelab-master/apps/playground/src/assets/images/email.svg
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 100 100" style="enable-background:new 0 0 100 100;" xml:space="preserve">
+	<polygon style="fill:#fff;" points="50.604, 66.905 6.865, 29.167 5.75, 29.167 5.75, 75.833 94.75, 75.833 94.75, 29.167 94.343, 29.167 "/>
+	<polygon style="fill:#fff;" points="94.343, 24.167 6.865, 24.167 50.604, 61.905 "/>
+</svg>
diff --git a/codelab-master/apps/playground/src/assets/images/facebook.gif b/codelab-master/apps/playground/src/assets/images/facebook.gif
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index 000000000..cb02b6d11
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diff --git a/codelab-master/apps/playground/src/assets/images/first_app.png b/codelab-master/apps/playground/src/assets/images/first_app.png
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diff --git a/codelab-master/apps/playground/src/assets/images/forms.png b/codelab-master/apps/playground/src/assets/images/forms.png
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diff --git a/codelab-master/apps/playground/src/assets/images/headgears.png b/codelab-master/apps/playground/src/assets/images/headgears.png
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diff --git a/codelab-master/apps/playground/src/assets/images/helloworldapp.png b/codelab-master/apps/playground/src/assets/images/helloworldapp.png
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diff --git a/codelab-master/apps/playground/src/assets/images/material.png b/codelab-master/apps/playground/src/assets/images/material.png
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diff --git a/codelab-master/apps/playground/src/assets/images/ng-trophy.jpg b/codelab-master/apps/playground/src/assets/images/ng-trophy.jpg
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diff --git a/codelab-master/apps/playground/src/assets/images/not-bad.jpg b/codelab-master/apps/playground/src/assets/images/not-bad.jpg
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diff --git a/codelab-master/apps/playground/src/assets/images/notbad.jpg b/codelab-master/apps/playground/src/assets/images/notbad.jpg
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diff --git a/codelab-master/apps/playground/src/assets/images/router.png b/codelab-master/apps/playground/src/assets/images/router.png
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diff --git a/codelab-master/apps/playground/src/assets/images/template.png b/codelab-master/apps/playground/src/assets/images/template.png
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diff --git a/codelab-master/apps/playground/src/assets/images/tree.png b/codelab-master/apps/playground/src/assets/images/tree.png
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diff --git a/codelab-master/apps/playground/src/assets/images/try-again.jpeg b/codelab-master/apps/playground/src/assets/images/try-again.jpeg
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diff --git a/codelab-master/apps/playground/src/assets/images/tryagain.jpeg b/codelab-master/apps/playground/src/assets/images/tryagain.jpeg
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index 000000000..9b6fdaa1e
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diff --git a/codelab-master/apps/playground/src/assets/images/ts.png b/codelab-master/apps/playground/src/assets/images/ts.png
new file mode 100644
index 000000000..98e94cd8b
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diff --git a/codelab-master/apps/playground/src/assets/images/twitter.svg b/codelab-master/apps/playground/src/assets/images/twitter.svg
new file mode 100644
index 000000000..a4ed81154
--- /dev/null
+++ b/codelab-master/apps/playground/src/assets/images/twitter.svg
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 100 100" style="enable-background:new 0 0 100 100;" xml:space="preserve">
+	<path style="fill:#fff;" d="M81.947, 32.56c0.033, 0.705, 0.05, 1.416, 0.05, 2.132c0, 21.768-16.563, 46.859-46.854, 46.859c-9.3, 0-17.962-2.725-25.254-7.398 c1.293, 0.151, 2.608, 0.235, 3.928, 0.235c7.722, 0, 14.818-2.635, 20.458-7.056c-7.208-0.134-13.296-4.902-15.388-11.438 c1.001, 0.185, 2.042, 0.291, 3.106, 0.291c1.494, 0, 2.949-0.202, 4.337-0.576c-7.537-1.516-13.217-8.164-13.217-16.144v-0.213 c2.222, 1.242, 4.768, 1.975, 7.465, 2.059c-4.421-2.949-7.33-7.991-7.33-13.704c0-3.016, 0.817-5.853, 2.227-8.282 c8.131, 9.966, 20.263, 16.513, 33.956, 17.213c-0.28-1.209-0.426-2.468-0.426-3.755c0-9.099, 7.37-16.474, 16.463-16.474 c4.74, 0, 9.026, 1.998, 12.02, 5.204c3.755-0.739, 7.28-2.11, 10.47-4.001c-1.237, 3.85-3.85, 7.079-7.246, 9.116 c3.33-0.397, 6.508-1.281, 9.457-2.591C87.957, 27.334, 85.17, 30.244, 81.947, 32.56z"/>
+</svg>
\ No newline at end of file
diff --git a/codelab-master/apps/playground/src/environments/environment.prod.ts b/codelab-master/apps/playground/src/environments/environment.prod.ts
new file mode 100644
index 000000000..3c0f58714
--- /dev/null
+++ b/codelab-master/apps/playground/src/environments/environment.prod.ts
@@ -0,0 +1,14 @@
+export const environment = {
+  production: true,
+
+  // Firebase
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
diff --git a/codelab-master/apps/playground/src/environments/environment.ts b/codelab-master/apps/playground/src/environments/environment.ts
new file mode 100644
index 000000000..46081e7e6
--- /dev/null
+++ b/codelab-master/apps/playground/src/environments/environment.ts
@@ -0,0 +1,27 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false,
+
+  // Firebase
+  firebaseConfig: {
+    apiKey: 'AIzaSyBiY1Lg2RIcKtbgqzfE6Vrg28Zjal6ZWHs',
+    authDomain: 'angular-presentation.firebaseapp.com',
+    databaseURL: 'https://angular-presentation.firebaseio.com',
+    projectId: 'angular-presentation',
+    storageBucket: 'angular-presentation.appspot.com',
+    messagingSenderId: '1087862173437',
+    appId: '1:1087862173437:web:0bb7fe324b62580bb31894'
+  }
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.
diff --git a/codelab-master/apps/playground/src/favicon.ico b/codelab-master/apps/playground/src/favicon.ico
new file mode 100644
index 000000000..8081c7cea
Binary files /dev/null and b/codelab-master/apps/playground/src/favicon.ico differ
diff --git a/codelab-master/apps/playground/src/index.html b/codelab-master/apps/playground/src/index.html
new file mode 100644
index 000000000..d7d735cdc
--- /dev/null
+++ b/codelab-master/apps/playground/src/index.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>Angular Codelab Quiz App</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons" />
+    <script>
+      // var global = global || window; // open this if you take global error
+      // var Buffer = Buffer || []; // open this if you take buffer error
+      var process = process || {
+        env: { DEBUG: undefined },
+        version: []
+      };
+    </script>
+  </head>
+  <body>
+    <codelab-root>
+      <div class="preload">
+        <div></div>
+        <div></div>
+        <div></div>
+        <div></div>
+      </div>
+    </codelab-root>
+    <noscript>Please enable JavaScript to continue using this application.</noscript>
+  </body>
+</html>
diff --git a/codelab-master/apps/playground/src/main.ts b/codelab-master/apps/playground/src/main.ts
new file mode 100644
index 000000000..fa4e0aef3
--- /dev/null
+++ b/codelab-master/apps/playground/src/main.ts
@@ -0,0 +1,13 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic()
+  .bootstrapModule(AppModule)
+  .catch(err => console.error(err));
diff --git a/codelab-master/apps/playground/src/polyfills.ts b/codelab-master/apps/playground/src/polyfills.ts
new file mode 100644
index 000000000..fae9293fe
--- /dev/null
+++ b/codelab-master/apps/playground/src/polyfills.ts
@@ -0,0 +1,5 @@
+import 'zone.js/dist/zone'; // Included with Angular CLI.
+import '@angular/localize/init';
+
+// Needed for babel :(
+(window as any).Buffer = {};
diff --git a/codelab-master/apps/playground/src/styles.scss b/codelab-master/apps/playground/src/styles.scss
new file mode 100644
index 000000000..524dd1092
--- /dev/null
+++ b/codelab-master/apps/playground/src/styles.scss
@@ -0,0 +1 @@
+@import '~@angular/material/prebuilt-themes/indigo-pink.css';
diff --git a/libs/intro/src/test-setup.ts b/codelab-master/apps/playground/src/test-setup.ts
similarity index 100%
rename from libs/intro/src/test-setup.ts
rename to codelab-master/apps/playground/src/test-setup.ts
diff --git a/codelab-master/apps/playground/tsconfig.app.json b/codelab-master/apps/playground/tsconfig.app.json
new file mode 100644
index 000000000..cd6236720
--- /dev/null
+++ b/codelab-master/apps/playground/tsconfig.app.json
@@ -0,0 +1,13 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "types": []
+  },
+  "angularCompilerOptions": {
+    "enableIvy": false
+  },
+  "files": ["src/main.ts", "src/polyfills.ts"],
+  "include": ["**/*.ts"],
+  "exclude": ["src/test-setup.ts", "**/*.spec.ts"]
+}
diff --git a/codelab-master/apps/playground/tsconfig.json b/codelab-master/apps/playground/tsconfig.json
new file mode 100644
index 000000000..db4f20839
--- /dev/null
+++ b/codelab-master/apps/playground/tsconfig.json
@@ -0,0 +1,44 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "types": ["node", "jest"],
+    "paths": {
+      "@codelab/*": ["../../../codelab-master/libs/*"],
+      "@ng360/slides": ["../../../codelab-master/libs/slides/src/index.ts"],
+      "@codelab/utils": ["../../../codelab-master/libs/utils/src/index.ts"],
+      "@codelab/code-demos": ["../../../codelab-master/libs/code-demos/src/index.ts"],
+      "@codelab/firebase": ["../../../codelab-master/libs/firebase/src/index.ts"],
+      "@codelab/intro": ["../../../codelab-master/libs/intro/src/index.ts"],
+      "@codelab/browser": ["../../../codelab-master/libs/browser/src/index.ts"],
+      "@codelab-quiz/animations/*": [
+        "src/app/quiz/animations/index.ts"
+      ],
+      "@codelab-quiz/components/*": [
+        "src/app/quiz/components/index.ts"
+      ],
+      "@codelab-quiz/containers/*": [
+        "src/app/quiz/containers/index.ts"
+      ],
+      "@codelab-quiz/pipes/*": [
+        "src/app/quiz/pipes/index.ts"
+      ],
+      "@codelab-quiz/shared/*": [
+        "src/app/quiz/shared/index.ts"
+      ],
+      "@codelab-quiz/shared/models/*": [
+        "src/app/quiz/shared/models/index.ts"
+      ],
+      "@codelab-quiz/shared/quiz-data": [
+        "src/app/quiz/shared/quiz.ts"
+      ],
+      "@codelab-quiz/shared/services/*": [
+        "src/app/quiz/shared/services/index.ts"
+      ]
+    }
+  },
+  "angularCompilerOptions": {
+    "enableIvy": false
+  },
+  "include": ["**/*.ts"]
+}
diff --git a/libs/firebase/tsconfig.spec.json b/codelab-master/apps/playground/tsconfig.spec.json
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rename to codelab-master/libs/angular-ast-viz/src/lib/angular-ast-viz.module.ts
diff --git a/codelab-master/libs/angular-ast-viz/src/lib/app.component.css b/codelab-master/libs/angular-ast-viz/src/lib/app.component.css
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rename to codelab-master/libs/angular-ast-viz/src/lib/app.component.html
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diff --git a/codelab-master/libs/firebase-login/tslint.json b/codelab-master/libs/firebase-login/tslint.json
new file mode 100644
index 000000000..80aa25c4d
--- /dev/null
+++ b/codelab-master/libs/firebase-login/tslint.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tslint.json",
+  "rules": {
+    "directive-selector": [true, "attribute", "codelab", "camelCase"],
+    "component-selector": [true, "element", "codelab", "kebab-case"]
+  }
+}
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diff --git a/codelab-master/libs/firebase/src/test-setup.ts b/codelab-master/libs/firebase/src/test-setup.ts
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index 000000000..8d88704e8
--- /dev/null
+++ b/codelab-master/libs/firebase/src/test-setup.ts
@@ -0,0 +1 @@
+import 'jest-preset-angular';
diff --git a/libs/intro/tsconfig.json b/codelab-master/libs/firebase/tsconfig.json
similarity index 100%
rename from libs/intro/tsconfig.json
rename to codelab-master/libs/firebase/tsconfig.json
diff --git a/libs/firebase/tsconfig.lib.json b/codelab-master/libs/firebase/tsconfig.lib.json
similarity index 100%
rename from libs/firebase/tsconfig.lib.json
rename to codelab-master/libs/firebase/tsconfig.lib.json
diff --git a/libs/slides/tsconfig.spec.json b/codelab-master/libs/firebase/tsconfig.spec.json
similarity index 100%
rename from libs/slides/tsconfig.spec.json
rename to codelab-master/libs/firebase/tsconfig.spec.json
diff --git a/codelab-master/libs/firebase/tslint.json b/codelab-master/libs/firebase/tslint.json
new file mode 100644
index 000000000..80aa25c4d
--- /dev/null
+++ b/codelab-master/libs/firebase/tslint.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tslint.json",
+  "rules": {
+    "directive-selector": [true, "attribute", "codelab", "camelCase"],
+    "component-selector": [true, "element", "codelab", "kebab-case"]
+  }
+}
diff --git a/libs/intro/README.md b/codelab-master/libs/intro/README.md
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diff --git a/libs/intro/generate/generate-thumbnails.ts b/codelab-master/libs/intro/generate/generate-thumbnails.ts
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rename to codelab-master/libs/intro/package.json
diff --git a/libs/intro/src/index.ts b/codelab-master/libs/intro/src/index.ts
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rename from libs/intro/src/index.ts
rename to codelab-master/libs/intro/src/index.ts
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similarity index 100%
rename from libs/intro/src/lib/intro.component.html
rename to codelab-master/libs/intro/src/lib/intro.component.html
diff --git a/libs/intro/src/lib/intro.component.ts b/codelab-master/libs/intro/src/lib/intro.component.ts
similarity index 100%
rename from libs/intro/src/lib/intro.component.ts
rename to codelab-master/libs/intro/src/lib/intro.component.ts
diff --git a/libs/intro/src/lib/intro.module.ts b/codelab-master/libs/intro/src/lib/intro.module.ts
similarity index 100%
rename from libs/intro/src/lib/intro.module.ts
rename to codelab-master/libs/intro/src/lib/intro.module.ts
diff --git a/codelab-master/libs/intro/src/test-setup.ts b/codelab-master/libs/intro/src/test-setup.ts
new file mode 100644
index 000000000..8d88704e8
--- /dev/null
+++ b/codelab-master/libs/intro/src/test-setup.ts
@@ -0,0 +1 @@
+import 'jest-preset-angular';
diff --git a/libs/live/tsconfig.json b/codelab-master/libs/intro/tsconfig.json
similarity index 100%
rename from libs/live/tsconfig.json
rename to codelab-master/libs/intro/tsconfig.json
diff --git a/libs/intro/tsconfig.lib.json b/codelab-master/libs/intro/tsconfig.lib.json
similarity index 100%
rename from libs/intro/tsconfig.lib.json
rename to codelab-master/libs/intro/tsconfig.lib.json
diff --git a/libs/intro/tsconfig.lib.prod.json b/codelab-master/libs/intro/tsconfig.lib.prod.json
similarity index 100%
rename from libs/intro/tsconfig.lib.prod.json
rename to codelab-master/libs/intro/tsconfig.lib.prod.json
diff --git a/codelab-master/libs/intro/tsconfig.spec.json b/codelab-master/libs/intro/tsconfig.spec.json
new file mode 100644
index 000000000..cfff29a54
--- /dev/null
+++ b/codelab-master/libs/intro/tsconfig.spec.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node"]
+  },
+  "files": ["src/test-setup.ts"],
+  "include": ["**/*.spec.ts", "**/*.d.ts"]
+}
diff --git a/codelab-master/libs/intro/tslint.json b/codelab-master/libs/intro/tslint.json
new file mode 100644
index 000000000..80aa25c4d
--- /dev/null
+++ b/codelab-master/libs/intro/tslint.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tslint.json",
+  "rules": {
+    "directive-selector": [true, "attribute", "codelab", "camelCase"],
+    "component-selector": [true, "element", "codelab", "kebab-case"]
+  }
+}
diff --git a/libs/live/README.md b/codelab-master/libs/live/README.md
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diff --git a/libs/slides/src/lib/shortcuts/shortcuts.directive.spec.ts b/codelab-master/libs/slides/src/lib/shortcuts/shortcuts.directive.spec.ts
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rename from libs/slides/src/lib/slide/slide.directive.ts
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diff --git a/libs/slides/src/lib/slides.module.spec.ts b/codelab-master/libs/slides/src/lib/slides.module.spec.ts
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diff --git a/libs/slides/src/lib/slides.module.ts b/codelab-master/libs/slides/src/lib/slides.module.ts
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rename from libs/slides/src/lib/slides.module.ts
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diff --git a/codelab-master/libs/slides/src/test-setup.ts b/codelab-master/libs/slides/src/test-setup.ts
new file mode 100644
index 000000000..8d88704e8
--- /dev/null
+++ b/codelab-master/libs/slides/src/test-setup.ts
@@ -0,0 +1 @@
+import 'jest-preset-angular';
diff --git a/codelab-master/libs/slides/tsconfig.json b/codelab-master/libs/slides/tsconfig.json
new file mode 100644
index 000000000..e5decd5e2
--- /dev/null
+++ b/codelab-master/libs/slides/tsconfig.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "types": ["node", "jest"]
+  },
+  "include": ["**/*.ts"]
+}
diff --git a/libs/slides/tsconfig.lib.json b/codelab-master/libs/slides/tsconfig.lib.json
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new file mode 100644
index 000000000..cfff29a54
--- /dev/null
+++ b/codelab-master/libs/slides/tsconfig.spec.json
@@ -0,0 +1,10 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../../dist/out-tsc",
+    "module": "commonjs",
+    "types": ["jest", "node"]
+  },
+  "files": ["src/test-setup.ts"],
+  "include": ["**/*.spec.ts", "**/*.d.ts"]
+}
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+table {
+  width: 100%;
+}
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+{
+  "extends": "../../tslint.json",
+  "rules": {
+    "directive-selector": [true, "attribute", "codelab", "camelCase"],
+    "component-selector": [true, "element", "codelab", "kebab-case"]
+  }
+}
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diff --git a/ng2ts/video/video.component.ts b/codelab-master/ng2ts/video/video.component.ts
similarity index 100%
rename from ng2ts/video/video.component.ts
rename to codelab-master/ng2ts/video/video.component.ts
diff --git a/ng2ts/video/video.index.html b/codelab-master/ng2ts/video/video.index.html
similarity index 100%
rename from ng2ts/video/video.index.html
rename to codelab-master/ng2ts/video/video.index.html
diff --git a/ng2ts/video/video.service.ts b/codelab-master/ng2ts/video/video.service.ts
similarity index 100%
rename from ng2ts/video/video.service.ts
rename to codelab-master/ng2ts/video/video.service.ts
diff --git a/ng2ts/wrapper.component.ts b/codelab-master/ng2ts/wrapper.component.ts
similarity index 100%
rename from ng2ts/wrapper.component.ts
rename to codelab-master/ng2ts/wrapper.component.ts
diff --git a/nx.json b/codelab-master/nx.json
similarity index 100%
rename from nx.json
rename to codelab-master/nx.json
diff --git a/codelab-master/package-lock.json b/codelab-master/package-lock.json
new file mode 100644
index 000000000..5060e441c
--- /dev/null
+++ b/codelab-master/package-lock.json
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+            "camelcase": "^5.0.0",
+            "decamelize": "^1.2.0"
+          }
+        }
+      }
+    },
+    "yauzl": {
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
+      "dev": true,
+      "requires": {
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
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+          "dev": true,
+          "requires": {
+            "pend": "~1.2.0"
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+      }
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+    "yeast": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
+      "integrity": "sha1-AI4G2AlDIMNy28L47XagymyKxBk=",
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+      "requires": {
+        "archiver-utils": "^2.1.0",
+        "compress-commons": "^2.1.1",
+        "readable-stream": "^3.4.0"
+      },
+      "dependencies": {
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+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
+    },
+    "zone.js": {
+      "version": "0.10.2",
+      "resolved": "https://registry.npmjs.org/zone.js/-/zone.js-0.10.2.tgz",
+      "integrity": "sha512-UAYfiuvxLN4oyuqhJwd21Uxb4CNawrq6fPS/05Su5L4G+1TN+HVDJMUHNMobVQDFJRir2cLAODXwluaOKB7HFg=="
+    }
+  }
+}
diff --git a/codelab-master/package.json b/codelab-master/package.json
new file mode 100644
index 000000000..c1e1e0d6b
--- /dev/null
+++ b/codelab-master/package.json
@@ -0,0 +1,171 @@
+{
+  "name": "codelab",
+  "version": "0.0.1",
+  "license": "MIT",
+  "scripts": {
+    "ng": "node --max_old_space_size=16000 ./node_modules/@angular/cli/bin/ng",
+    "//--------------- CODELAB ---------------------": "",
+    "start": "ng serve",
+    "build": "ng build",
+    "build:prod": "ng build --prod",
+    "build:bundler": "ts-node -P libs/code-demos/assets/runner/tsconfig.json libs/code-demos/assets/runner/ng-dts/bundler.ts && node libs/code-demos/assets/runner/ng2/ng2-runner.js",
+    "build:intro": "ts-node -P libs/intro/generate/tsconfig.json libs/intro/generate/generate-thumbnails.ts",
+    "build:intro:verbose": "NODE_DEBUG=cluster,net,http,fs,tls,module,timers ts-node -P libs/intro/generate/tsconfig.json libs/intro/generate/generate-thumbnails.ts",
+    "test": "ng test",
+    "lint": "ng lint",
+    "i18n": "ng xi18n codelab --i18n-format xmb --output-path src/locale",
+    "build:ru": "ng build codelab --configuration ru",
+    "deploy:next": "npm run build:prod && npm run build:ru && npm run build:30s && firebase deploy --only hosting:codelab-next",
+    "serve:ru": "npm run ng -- serve --configuration ru",
+    "pre-deploy": "npm run build:prod && npm run build:ru && npm run build:30s",
+    "deploy": "npm run pre-deploy && firebase deploy --only hosting:codelab",
+    "cypress": "cypress",
+    "cypress:approve": "npm run cypress run -- --env updateSnapshots=true",
+    "cypress:open": "cypress open",
+    "cypress:reporter": "npm run cypress run --reporter cypress-image-snapshot/reporter",
+    "//--------------- KIRJS   ---------------------": "",
+    "deploy:kirjs": "ng build kirjs --prod && firebase deploy  --only hosting:kirjs",
+    "deploy:kirjs:ru": "ng build kirjs --configuration ru --prod && firebase deploy  --only hosting:kirjs",
+    "serve:kirjs:ru": "ng serve kirjs --configuration ru",
+    "build:kirjs:ru": "ng build kirjs --configuration ru",
+    "build:kirjs": "ng build kirjs  --prod",
+    "xi18n:kirjs": "ng xi18n kirjs --i18n-format xmb --output-path src/locale",
+    "//--------------- Playground   ---------------------": "",
+    "deploy:playground": "ng build playground --prod && firebase deploy --only hosting:angular-ivy",
+    "serve:playground": "ng serve playground",
+    "build:playground": "ng build playground  --prod",
+    "//--------------- LIS   ---------------------": "",
+    "deploy:lis": "ng build lis --prod && firebase deploy --only hosting:lis",
+    "serve:lis": "ng serve lis",
+    "build:lis": "ng build lis  --prod",
+    "//--------------- 30s OF ANGULAR   -------------------": "",
+    "build:30s": "npm run ng build angular-thirty-seconds --prod",
+    "serve:30s": "ng serve angular-thirty-seconds",
+    "//--------------- NX      ---------------------": "",
+    "affected:apps": "./node_modules/.bin/nx affected:apps",
+    "affected:libs": "./node_modules/.bin/nx affected:libs",
+    "affected:build": "./node_modules/.bin/nx affected:build",
+    "affected:test": "./node_modules/.bin/nx affected:test --watch=false",
+    "affected:lint": "./node_modules/.bin/nx affected:lint",
+    "affected:dep-graph": "./node_modules/.bin/nx affected:dep-graph",
+    "format": "./node_modules/.bin/nx format:write",
+    "format:write": "./node_modules/.bin/nx format:write",
+    "format:check": "./node_modules/.bin/nx format:check",
+    "update": "ng update @nrwl/workspace",
+    "update:check": "ng update",
+    "dep-graph": "./node_modules/.bin/nx dep-graph",
+    "workspace-schematic": "./node_modules/.bin/nx workspace-schematic",
+    "help": "./node_modules/.bin/nx help",
+    "postinstall": "ngcc --properties es2015 browser module main --first-only --create-ivy-entry-points"
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "npm run format:write && git add ."
+    }
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:codelab-fun/codelab.git"
+  },
+  "public": true,
+  "dependencies": {
+    "@angular-builders/custom-webpack": "^9.0.0",
+    "@angular-devkit/schematics": "9.0.4",
+    "@angular/animations": "9.0.4",
+    "@angular/cdk": "9.0.1",
+    "@angular/common": "9.0.4",
+    "@angular/compiler": "9.0.4",
+    "@angular/core": "9.0.4",
+    "@angular/fire": "5.4.2",
+    "@angular/forms": "9.0.4",
+    "@angular/localize": "9.0.4",
+    "@angular/material": "9.0.1",
+    "@angular/platform-browser": "9.0.4",
+    "@angular/platform-browser-dynamic": "9.0.4",
+    "@angular/router": "9.0.4",
+    "@babel/core": "^7.8.4",
+    "@babel/generator": "^7.8.4",
+    "@babel/traverse": "^7.8.4",
+    "@fortawesome/fontawesome-free": "^5.14.0",
+    "binary-loader": "0.0.1",
+    "binary-parser": "^1.3.2",
+    "bootstrap": "^4.5.2",
+    "chai": "^4.2.0",
+    "console": "^0.7.2",
+    "core-js": "2.6.2",
+    "dom-to-image": "^2.6.0",
+    "firebase": "^7.19.1",
+    "flamelink": "^1.0.0-alpha.27",
+    "fullscreen-api-polyfill": "^1.1.2",
+    "glob": "^7.1.6",
+    "gray-matter": "^4.0.2",
+    "husky": "^4.2.3",
+    "immer": "^5.3.6",
+    "jquery": "^3.5.1",
+    "mocha": "^7.0.1",
+    "monaco-editor": "^0.20.0",
+    "monaco-editor-webpack-plugin": "^1.8.2",
+    "ng-back-to-top": "^1.0.1",
+    "ngx-markdown": "^8.2.2",
+    "raw-loader": "1.0.0",
+    "rxjs": "^6.5.4",
+    "slugify": "^1.3.6",
+    "wabt": "^1.0.11",
+    "zone.js": "^0.10.2"
+  },
+  "devDependencies": {
+    "@angular-devkit/build-angular": "^0.900.4",
+    "@angular-devkit/build-ng-packagr": "0.900.4",
+    "@angular/cli": "9.0.4",
+    "@angular/compiler-cli": "9.0.4",
+    "@angular/language-service": "9.0.4",
+    "@bahmutov/add-typescript-to-cypress": "^2.0.0",
+    "@ng-bootstrap/ng-bootstrap": "^7.0.0",
+    "@nrwl/angular": "9.3.0",
+    "@nrwl/cypress": "9.3.0",
+    "@nrwl/jest": "9.3.0",
+    "@nrwl/workspace": "9.3.0",
+    "@types/fs-extra": "^9.0.1",
+    "@types/jasmine": "3.5.3",
+    "@types/jest": "25.1.2",
+    "@types/node": "^13.7.1",
+    "@types/node-fetch": "^2.5.7",
+    "acorn": "^7.1.0",
+    "babel-types": "^6.25.0",
+    "babylon": "^6.17.3",
+    "codelyzer": "^5.2.1",
+    "cypress": "~4.0.1",
+    "cypress-image-snapshot": "^3.0.0",
+    "dotenv": "8.2.0",
+    "eslint": "^6.8.0",
+    "firebase-tools": "^7.13.0",
+    "fs-extra": "^9.0.0",
+    "github-api": "^3.0.0",
+    "gomoku-tools": "^0.1.0",
+    "googleapis": "^51.0.0",
+    "hover.css": "^2.3.2",
+    "howler": "^2.2.0",
+    "jasmine-core": "~3.5.0",
+    "jest": "25.1.0",
+    "jest-preset-angular": "8.0.0",
+    "karma": "^4.4.1",
+    "karma-chrome-launcher": "~3.1.0",
+    "karma-cli": "~2.0.0",
+    "karma-coverage-istanbul-reporter": "^2.1.1",
+    "karma-jasmine": "~3.1.1",
+    "karma-jasmine-html-reporter": "^1.5.2",
+    "ng-packagr": "^9.0.0",
+    "node-fetch": "^2.6.0",
+    "prettier": "1.19.1",
+    "protractor": "^5.4.2",
+    "systemjs": "0.20.12",
+    "systemjs-builder": "^0.16.4",
+    "ts-jest": "25.2.0",
+    "ts-node": "^8.6.2",
+    "tsickle": "^0.38.0",
+    "tslib": "^1.10.0",
+    "tslint": "^6.0.0",
+    "typescript": "^3.7.5",
+    "uglify-js": "^3.7.7"
+  }
+}
diff --git a/tools/schematics/slide/README.md b/codelab-master/tools/schematics/slide/README.md
similarity index 100%
rename from tools/schematics/slide/README.md
rename to codelab-master/tools/schematics/slide/README.md
diff --git a/tools/schematics/slide/files/code.bs b/codelab-master/tools/schematics/slide/files/code.bs
similarity index 100%
rename from tools/schematics/slide/files/code.bs
rename to codelab-master/tools/schematics/slide/files/code.bs
diff --git a/tools/schematics/slide/files/template.component.html b/codelab-master/tools/schematics/slide/files/template.component.html
similarity index 100%
rename from tools/schematics/slide/files/template.component.html
rename to codelab-master/tools/schematics/slide/files/template.component.html
diff --git a/tools/schematics/slide/index.ts b/codelab-master/tools/schematics/slide/index.ts
similarity index 100%
rename from tools/schematics/slide/index.ts
rename to codelab-master/tools/schematics/slide/index.ts
diff --git a/tools/schematics/slide/schema.json b/codelab-master/tools/schematics/slide/schema.json
similarity index 100%
rename from tools/schematics/slide/schema.json
rename to codelab-master/tools/schematics/slide/schema.json
diff --git a/tools/tsconfig.tools.json b/codelab-master/tools/tsconfig.tools.json
similarity index 100%
rename from tools/tsconfig.tools.json
rename to codelab-master/tools/tsconfig.tools.json
diff --git a/codelab-master/tsconfig.json b/codelab-master/tsconfig.json
new file mode 100644
index 000000000..27270b9ad
--- /dev/null
+++ b/codelab-master/tsconfig.json
@@ -0,0 +1,50 @@
+{
+  "compileOnSave": false,
+  "angularCompilerOptions": {
+    "enableIvy": false
+  },
+  "compilerOptions": {
+    "outDir": "./dist/out-tsc",
+    "baseUrl": ".",
+    "sourceMap": true,
+    "declaration": false,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "resolveJsonModule": true,
+    "target": "es2015",
+    "paths": {
+      "jszip": ["node_modules/jszip/dist/jszip.min.js"],
+      "@codelab/*": ["libs/*"],
+      "@ng360/slides": ["libs/slides/src/index.ts"],
+      "@codelab/browser": ["libs/browser/src/index.ts"],
+      "@codelab/console": ["libs/console/src/index.ts"],
+      "@codelab/utils": ["libs/utils/src/index.ts"],
+      "@codelab/angular-ast-viz": ["libs/angular-ast-viz/src/index.ts"],
+      "@codelab/angular-slides-to-pdf": [
+        "libs/angular-slides-to-pdf/src/index.ts"
+      ],
+      "vm": ["node_modules/vm-shim"],
+      "@codelab/feedback": ["libs/feedback/src/index.ts"],
+      "@codelab/code-demos": ["libs/code-demos/src/index.ts"],
+      "@angular-presentation/live": ["libs/live/src/index.ts"],
+      "@angular-presentation/firebase-login": [
+        "libs/firebase-login/src/index.ts"
+      ],
+      "@codelab/firebase": ["libs/firebase/src/index.ts"],
+      "@codelab/intro": ["libs/intro/src/index.ts"],
+      "@codelab-quiz/animations/*": ["codelab-master/apps/playground/src/app/quiz/animations/index.ts"],
+      "@codelab-quiz/components/*": ["codelab-master/apps/playground/src/app/quiz/components/index.ts"],
+      "@codelab-quiz/containers/*": ["codelab-master/apps/playground/src/app/quiz/containers/index.ts"],
+      "@codelab-quiz/pipes/*": ["codelab-master/apps/playground/src/app/quiz/pipes/index.ts"],
+      "@codelab-quiz/shared": ["codelab-master/apps/playground/src/app/quiz/shared/index.ts"],
+      "@codelab-quiz/shared/models/*": ["codelab-master/apps/playground/src/app/quiz/shared/models/index.ts"],
+      "@codelab-quiz/shared/quiz-data": ["codelab-master/apps/playground/src/app/quiz/shared/quiz.ts"],
+      "@codelab-quiz/shared/services/*": ["codelab-master/apps/playground/src/app/quiz/shared/services/index.ts"]
+    },
+    "typeRoots": ["node_modules/@types"],
+    "lib": ["es2018", "esnext", "dom"],
+    "rootDir": "."
+  }
+}
diff --git a/codelab-master/tslint.json b/codelab-master/tslint.json
new file mode 100644
index 000000000..7f4097462
--- /dev/null
+++ b/codelab-master/tslint.json
@@ -0,0 +1,99 @@
+{
+  "rulesDirectory": [
+    "node_modules/codelyzer",
+    "node_modules/@nrwl/workspace/src/tslint"
+  ],
+  "rules": {
+    "arrow-return-shorthand": true,
+    "callable-types": true,
+    "class-name": true,
+    "comment-format": [true, "check-space"],
+    "curly": true,
+    "deprecation": {
+      "severity": "warn"
+    },
+    "eofline": true,
+    "forin": true,
+    "import-blacklist": [true, "rxjs/Rx"],
+    "import-spacing": true,
+    "indent": [true, "spaces"],
+    "interface-over-type-literal": true,
+    "label-position": true,
+    "max-line-length": [true, 200],
+    "member-access": false,
+    "member-ordering": [
+      true,
+      {
+        "order": [
+          "static-field",
+          "instance-field",
+          "static-method",
+          "instance-method"
+        ]
+      }
+    ],
+    "no-arg": true,
+    "no-bitwise": false,
+    "no-console": [true, "debug", "info", "time", "timeEnd", "trace"],
+    "no-construct": true,
+    "no-debugger": true,
+    "no-duplicate-super": true,
+    "no-empty": false,
+    "no-empty-interface": true,
+    "no-eval": false,
+    "no-inferrable-types": [true, "ignore-params"],
+    "no-misused-new": true,
+    "no-non-null-assertion": true,
+    "no-redundant-jsdoc": true,
+    "no-shadowed-variable": false,
+    "no-string-literal": false,
+    "no-string-throw": true,
+    "no-switch-case-fall-through": true,
+    "no-trailing-whitespace": true,
+    "no-unnecessary-initializer": true,
+    "no-unused-expression": true,
+    "no-var-keyword": true,
+    "object-literal-sort-keys": false,
+    "one-line": [
+      true,
+      "check-open-brace",
+      "check-catch",
+      "check-else",
+      "check-whitespace"
+    ],
+    "prefer-const": true,
+    "radix": true,
+    "semicolon": [true, "always"],
+    "triple-equals": [true, "allow-null-check"],
+    "typedef-whitespace": [
+      true,
+      {
+        "call-signature": "nospace",
+        "index-signature": "nospace",
+        "parameter": "nospace",
+        "property-declaration": "nospace",
+        "variable-declaration": "nospace"
+      }
+    ],
+    "unified-signatures": true,
+    "variable-name": false,
+    "whitespace": [
+      true,
+      "check-branch",
+      "check-decl",
+      "check-operator",
+      "check-separator",
+      "check-type"
+    ],
+    "no-output-on-prefix": true,
+    "no-inputs-metadata-property": true,
+    "no-outputs-metadata-property": true,
+    "no-host-metadata-property": true,
+    "no-input-rename": true,
+    "no-output-rename": true,
+    "use-lifecycle-interface": true,
+    "use-pipe-transform-interface": true,
+    "component-class-suffix": true,
+    "directive-class-suffix": true
+  }
+}
diff --git a/components/index.ts b/components/index.ts
new file mode 100644
index 000000000..8981888f5
--- /dev/null
+++ b/components/index.ts
@@ -0,0 +1,3 @@
+export * from './question/question.component';
+export * from './question/single-answer/single-answer.component';
+export * from './question/multiple-answer/multiple-answer.component';
diff --git a/components/question/multiple-answer/multiple-answer.component.html b/components/question/multiple-answer/multiple-answer.component.html
new file mode 100644
index 000000000..5cb8ee3bf
--- /dev/null
+++ b/components/question/multiple-answer/multiple-answer.component.html
@@ -0,0 +1,20 @@
+<div class="options" *ngFor="let option of currentQuestion.options; index as i">
+  <mat-checkbox (change)="setSelected(i)" [class]="option.className">
+    <span i18n>{{ i + 1 }}. {{ option.text }}</span>
+    <ng-container *ngIf="option.selected">
+      <i class="material-icons" *ngIf="option.correct">done</i>
+      <i class="material-icons" *ngIf="!option.correct">clear</i>
+    </ng-container>
+  </mat-checkbox>
+
+  <section class="message" *ngIf="option.selected">
+    <div *ngIf="option.correct">
+      <i class="material-icons">sentiment_very_satisfied</i>
+      <span class="correct-message" i18n>You&apos;re right! {{ correctMessage }}</span>
+    </div>
+    <div *ngIf="!option.correct">
+      <i class="material-icons">sentiment_very_dissatisfied</i>
+      <span class="wrong-message" i18n>That&apos;s wrong. {{ correctMessage }}</span>
+    </div>
+  </section>
+</div>
diff --git a/components/question/multiple-answer/multiple-answer.component.scss b/components/question/multiple-answer/multiple-answer.component.scss
new file mode 100644
index 000000000..df582d4ac
--- /dev/null
+++ b/components/question/multiple-answer/multiple-answer.component.scss
@@ -0,0 +1,116 @@
+@import "variables";
+
+.options {
+  margin: 0 0 17.5px 6.5px;
+  padding: 5px;
+
+  mat-checkbox {
+    cursor: pointer;
+    display: inline-block;
+    width: 590px;
+    height: auto;
+    font-family: $font-stack;
+    font-size: 20px;
+    color: $dark-brown;
+    background-color: $light-gray;
+    border: 2px solid $medium-gray;
+    padding: 10px 5px 10px 30px;
+    margin-left: -5px;
+
+    &:hover {
+      border: 2px solid $vivid-blue;
+    }
+
+    &:first-child {
+      margin-top: -25px;
+    }
+  }
+
+  .correct {
+    background-color: $green;
+    border: 2px solid $vivid-blue;
+  }
+
+  .incorrect {
+    background-color: $red;
+    border: 2px solid $vivid-blue;
+  }
+
+  span {
+    white-space: normal;
+    margin-top: 5px;
+    margin-left: 5px;
+  }
+
+  i {
+    position: absolute;
+    right: 40px;
+  }
+}
+
+.mat-checkbox-layout {
+  display: block !important;
+}
+div.mat-checkbox-inner-container {
+  display: none;
+}
+
+.message {
+  display: flex;
+  justify-content: center;
+  margin: 5px 15px 5px 0;
+
+  i {
+    font-size: 30px;
+    color: $light-yellow;
+    position: relative;
+    top: 10px;
+    left: 20px;
+  }
+
+  span {
+    font-family: $font-stack;
+    font-size: 17px;
+    font-style: italic;
+    font-weight: bold;
+    margin: 10px 0 0 -15px !important;
+    padding: 10px;
+    width: 570px;
+    display: inline-flex;
+    justify-content: center;
+    background: transparentize($light-gray, 0.5);
+  }
+
+  .correct-message {
+    border-color: $vivid-blue;
+    color: $dark-green;
+  }
+
+  .wrong-message {
+    border-color: $red;
+    color: $red;
+  }
+
+  .correct-message,
+  .wrong-message {
+    margin: -5px 0 -5px 25px;
+    border: 2px solid;
+    border-radius: 10px;
+  }
+}
+
+.material-icons {
+  font-family: 'Material Icons', $font-stack;
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;
+  line-height: 1;
+  letter-spacing: normal;
+  text-transform: none;
+  display: inline-block;
+  white-space: nowrap;
+  word-wrap: normal;
+  direction: ltr;
+  -moz-font-feature-settings: 'liga';
+  -moz-osx-font-smoothing: grayscale;
+}
diff --git a/components/question/multiple-answer/multiple-answer.component.ts b/components/question/multiple-answer/multiple-answer.component.ts
new file mode 100644
index 000000000..0f5d8e71b
--- /dev/null
+++ b/components/question/multiple-answer/multiple-answer.component.ts
@@ -0,0 +1,96 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnInit,
+  Output,
+  SimpleChanges,
+  ViewEncapsulation
+} from '@angular/core';
+import { FormGroup } from '@angular/forms';
+
+import { Option, QuizQuestion } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: "codelab-question-multiple-answer",
+  templateUrl: "./multiple-answer.component.html",
+  styleUrls: ["./multiple-answer.component.scss"],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  encapsulation: ViewEncapsulation.ShadowDom
+})
+export class MultipleAnswerComponent implements OnInit, OnChanges {
+  @Output() answer = new EventEmitter<number>();
+  @Input() question: QuizQuestion;
+  currentQuestion: QuizQuestion;
+  formGroup: FormGroup;
+  optionSelected: Option;
+  correctAnswers: Option[] = [];
+  correctMessage = "";
+  quizStarted: boolean;
+  alreadyAnswered: boolean;
+  multipleAnswer = true;
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService
+  ) { }
+
+  ngOnInit(): void {
+    this.question = this.currentQuestion;
+    this.currentQuestion = this.quizService.currentQuestion;
+    this.sendMultipleAnswerToQuizService();
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (
+      changes.question &&
+      changes.question.currentValue !== changes.question.firstChange
+    ) {
+      this.currentQuestion = changes.question.currentValue;
+      this.correctAnswers = this.quizService.getCorrectAnswers(this.currentQuestion);
+      this.correctMessage = this.quizService.correctMessage;
+
+      if (this.formGroup) {
+        this.formGroup.patchValue({ answer: "" });
+        this.alreadyAnswered = false;
+      }
+    }
+  }
+
+  setSelected(optionIndex: number): void {
+    this.quizStarted = true;
+    this.alreadyAnswered = true;
+    this.answer.emit(optionIndex);
+
+    if (this.correctAnswers.length === 1) {
+      this.currentQuestion.options.forEach(option => {
+        option.selected = false;
+        option.className = "";
+      });
+    }
+    this.currentQuestion.options[optionIndex].selected = true;
+    this.optionSelected = this.currentQuestion.options[optionIndex];
+
+    if (
+      optionIndex >= 0 &&
+      this.currentQuestion &&
+      this.currentQuestion.options &&
+      this.currentQuestion.options[optionIndex]["correct"]
+    ) {
+      this.optionSelected.className = "correct";
+      this.timerService.stopTimer();
+      this.quizService.correctSound.play();
+      optionIndex = null;
+    } else {
+      this.optionSelected.className = "incorrect";
+      this.quizService.incorrectSound.play();
+    }
+  }
+
+  private sendMultipleAnswerToQuizService(): void {
+    this.quizService.setMultipleAnswer(this.multipleAnswer);
+  }
+}
diff --git a/components/question/question.component.html b/components/question/question.component.html
new file mode 100644
index 000000000..46876f5d0
--- /dev/null
+++ b/components/question/question.component.html
@@ -0,0 +1,98 @@
+<ng-content></ng-content>
+
+<<<<<<< HEAD
+<form [formGroup]="formGroup"
+      [ngSwitch]="multipleAnswer">
+  <codelab-question-single-answer
+    *ngSwitchCase="!multipleAnswer"
+    [question]="question"
+    (answer)="setSelected($event)">
+  </codelab-question-single-answer>
+
+  <codelab-question-multiple-answer
+    *ngSwitchCase="multipleAnswer"
+    [question]="question"
+    (answer)="setSelected($event)">
+  </codelab-question-multiple-answer>
+=======
+<form [formGroup]="formGroup">
+  <div class="options" *ngFor="let option of currentQuestion.options; index as i">
+    <div class="single-answer" *ngIf="!multipleAnswer">
+      <mat-radio-button
+        (change)="setSelected(i)"
+        [disabled]="alreadyAnswered"
+        [class.is-correct]="option.selected && option.correct"
+        [class.is-incorrect]="option.selected && !option.correct">
+
+        <mat-radio-label>
+          <span>{{ i + 1 }}. {{ option.text }}</span>
+
+          <mat-icon class="feedback-icon"
+                    *ngIf="option.selected && option.correct && isCorrectAnswerSelected">done</mat-icon>
+          <mat-icon class="feedback-icon"
+                    *ngIf="option.selected && !option.correct">clear</mat-icon>
+        </mat-radio-label>
+      </mat-radio-button>
+
+      <section class="messages">
+        <div *ngIf="option.selected && option.correct && isCorrectAnswerSelected">
+          <span>
+            <mat-icon class="sentiment-icon">sentiment_very_satisfied</mat-icon>&nbsp;&nbsp;&nbsp;
+            <span class="message correct-message" i18n>&nbsp;&nbsp;&nbsp;You&apos;re right! {{ correctMessage }}</span>
+          </span>
+        </div>
+        <div *ngIf="option.selected && !option.correct">
+          <span>
+            <mat-icon class="sentiment-icon">sentiment_very_dissatisfied</mat-icon>&nbsp;&nbsp;&nbsp;
+            <span class="message wrong-message" i18n>&nbsp;&nbsp;&nbsp;That&apos;s wrong. {{ correctMessage }}</span>
+          </span>
+        </div>
+      </section>
+      <!-- TODO: get this working, except with previousUserAnswersText -->
+      <!-- <div *ngFor="let previousOption of previousUserAnswers[i]" class="previous-answer-text">
+        <span *ngIf="option.selected && previousUserAnswers[i].length === 1">
+          Option {{ previousOption }} was selected in your previous quiz.
+        </span>
+      </div> -->
+    </div>
+
+    <div class="multiple-answer" *ngIf="multipleAnswer">
+      <mat-checkbox
+        (change)="setSelected(i)"
+        [class.is-correct]="option.selected && option.correct"
+        [class.is-incorrect]="option.selected && !option.correct">
+
+        <mat-checkbox-label>
+          <span>{{ i + 1 }}. {{ option.text }}</span>
+
+          <mat-icon class="feedback-icon"
+                    *ngIf="option.selected && option.correct && isCorrectAnswerSelected">done</mat-icon>
+          <mat-icon class="feedback-icon"
+                    *ngIf="option.selected && !option.correct">clear</mat-icon>
+        </mat-checkbox-label>
+      </mat-checkbox>
+
+      <section class="messages">
+        <div *ngIf="option.selected && option.correct && isCorrectAnswerSelected">
+          <span>
+            <mat-icon class="sentiment-icon">sentiment_very_satisfied</mat-icon>&nbsp;&nbsp;&nbsp;
+            <span class="message correct-message" i18n>&nbsp;&nbsp;&nbsp;You&apos;re right! {{ correctMessage }}</span>
+          </span>
+        </div>
+        <div *ngIf="option.selected && !option.correct">
+          <span>
+            <mat-icon class="sentiment-icon">sentiment_very_dissatisfied</mat-icon>&nbsp;&nbsp;&nbsp;
+            <span class="message wrong-message" i18n>&nbsp;&nbsp;&nbsp;That&apos;s wrong. {{ correctMessage }}</span>
+          </span>
+        </div>
+      </section>
+      <!-- TODO: get this working, except with previousUserAnswersText -->
+      <!-- <div *ngFor="let previousOption of previousUserAnswers[i]" class="previous-answer-text">
+        <span *ngIf="option.selected && previousUserAnswers[i].length > 1">
+          Options {{ previousOption | join }} were selected in your previous quiz.
+        </span>
+      </div> -->
+    </div>
+  </div>
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+</form>
diff --git a/components/question/question.component.scss b/components/question/question.component.scss
new file mode 100644
index 000000000..47e071373
--- /dev/null
+++ b/components/question/question.component.scss
@@ -0,0 +1,168 @@
+@import "variables";
+
+.options {
+  margin: 0 0 10px 0.4rem;
+  padding: 5px;
+  width: 39.5rem !important;
+
+  mat-radio-button, mat-checkbox {
+    cursor: pointer;
+    width: 39.5rem !important;
+    height: auto !important;
+    font-family: $font-stack;
+    font-size: 20px !important;
+    color: $dark-brown;
+    background-color: $light-gray;
+    border: 2px solid $medium-gray;
+    padding: 10px 5px 5px 30px;
+    margin-left: -5px;
+    vertical-align: middle;
+
+    &:hover {
+      border: 2px solid $vivid-blue;
+    }
+  }
+
+  mat-radio-label, mat-checkbox-label {
+    white-space: normal;
+    margin-top: 5px;
+
+    .feedback-icon {
+      position: absolute;
+      right: 0;
+      margin: 5px 40px 0 0 !important;
+    }
+  }
+
+  .is-correct {
+    background-color: $green;
+  }
+
+  .is-incorrect {
+    background-color: $red;
+  }
+}
+
+.messages {
+  display: flex;
+  justify-content: center;
+  margin-bottom: 10px;
+  height: auto;
+
+  span {
+    font-size: 17px;
+    margin-top: 10px;
+  }
+
+  .sentiment-icon {
+    font-size: 30px;
+    color: $light-yellow;
+    margin: 30px -50px 0 25px;
+    vertical-align: top;
+    float: left;
+  }
+
+  .message {
+    font-family: $font-stack;
+    margin: 20px auto;
+    margin-left: -10px;
+    padding: 10px;
+    width: 36rem;
+    display: inline-flex;
+    justify-content: center;
+    vertical-align: middle;
+  }
+
+  .correct-message {
+    border: 2px solid $vivid-blue;
+    color: $green;
+  }
+
+  .wrong-message {
+    border: 2px solid $red;
+    color: $red;
+    margin-top: -10px;
+
+    .sentiment-icon {
+      float: left;
+      margin-top: -40px;
+    }
+  }
+}
+
+.previous-answer-text {
+  clear: both;
+
+  div {
+    font-family: $font-stack;
+    font-size: 16px;
+    display: flex;
+    justify-content: center;
+
+    span {
+      font-weight: $font-weight-max;
+      font-style: italic;
+    }
+  }
+}
+
+.single-answer {
+  margin-top: 15px;
+
+  mat-radio-button {
+    height: 57.6px;
+  }
+  mat-radio-button:first-child {
+    margin-top: -25px;
+  }
+
+  .message {
+    margin-top: 20px;
+  }
+
+  .sentiment-icon {
+    display: inline;
+    margin-top: 30px;
+  }
+}
+
+.multiple-answer {
+  mat-checkbox {
+    padding-top: 15px;
+    padding-bottom: 15px;
+
+    label .feedback-icon {
+      margin-top: -50px;
+    }
+  }
+  mat-checkbox:first-child {
+    margin-top: -20px !important;
+  }
+
+  .message {
+    margin-top: 30px;
+    margin-bottom: 20px;
+  }
+
+  .feedback-icon {
+    margin-top: 5px !important;
+  }
+
+  .sentiment-icon {
+    margin-top: 40px;
+  }
+}
+
+// hide mat-radio-buttons/mat-checkboxes next to answer choices
+::ng-deep .mat-radio-button .mat-radio-container {
+  display: none;
+}
+::ng-deep .mat-checkbox .mat-checkbox-inner-container {
+  display: none;
+}
+
+// set width and height of mat-checkbox
+::ng-deep .mat-checkbox .mat-checkbox-layout {
+  width: 37rem;
+  height: auto;
+}
diff --git a/components/question/question.component.ts b/components/question/question.component.ts
new file mode 100644
index 000000000..84cfb8871
--- /dev/null
+++ b/components/question/question.component.ts
@@ -0,0 +1,181 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnInit,
+  Output,
+  SimpleChanges
+} from '@angular/core';
+import { FormControl, FormGroup, Validators } from '@angular/forms';
+
+<<<<<<< HEAD
+import { Option, QuizQuestion } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+
+@Component({
+  selector: "codelab-quiz-question",
+  templateUrl: "./question.component.html",
+=======
+import { QuizQuestion } from '@codelab-quiz/shared/models/QuizQuestion.model';
+import { QuizService } from '@codelab-quiz/shared/services/quiz.service';
+import { TimerService } from '@codelab-quiz/shared/services/timer.service';
+
+
+@Component({
+  selector: 'codelab-quiz-question',
+  templateUrl: './question.component.html',
+  styleUrls: ['./question.component.scss'],
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizQuestionComponent implements OnInit, OnChanges {
+  currentQuestion: QuizQuestion;
+  @Output() answer = new EventEmitter<number>();
+<<<<<<< HEAD
+  @Input() question: QuizQuestion;
+  formGroup: FormGroup;
+  optionSelected: Option;
+  correctAnswers: Option[] = [];
+  quizStarted: boolean;
+  alreadyAnswered = false;
+  multipleAnswer: boolean;
+=======
+  @Input() set question(value: QuizQuestion) { this.currentQuestion = value; }
+  formGroup: FormGroup;
+  quizStarted: boolean;
+  multipleAnswer: boolean;
+  alreadyAnswered = false;
+  isAnswered: boolean;
+  isCorrectAnswerSelected = false;
+  correctAnswers = [];
+  correctMessage = '';
+  previousUserAnswers: any[] = [];
+  previousUserAnswersText = [];
+  puaTextSingleAnswer: string[] = [];
+  puaTextMultipleAnswer: string[] = [];
+  // get puaTextSingleAnswer(): string[] { return this.quizService.previousUserAnswersTextSingleAnswer; }
+  // get puaTextMultipleAnswer(): string[] { return this.quizService.previousUserAnswersTextMultipleAnswer; }
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService
+  ) { }
+
+<<<<<<< HEAD
+  ngOnInit(): void {
+    this.formGroup = new FormGroup({
+      answer: new FormControl(["", Validators.required])
+    });
+
+    this.question = this.currentQuestion;
+    this.sendCurrentQuestionToQuizService();
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (
+      changes.question &&
+      changes.question.currentValue !== changes.question.firstChange
+    ) {
+      this.currentQuestion = changes.question.currentValue;
+      this.correctAnswers = this.quizService.getCorrectAnswers(this.currentQuestion);
+      this.multipleAnswer = this.correctAnswers.length > 1;
+
+      if (this.formGroup) {
+        this.formGroup.patchValue({ answer: "" });
+=======
+  ngOnInit() {
+    this.formGroup = new FormGroup({
+      answer: new FormControl(['', Validators.required])
+    });
+
+    this.previousUserAnswers = this.quizService.userAnswers;
+    console.log('QUESTIONCOMP: ', this.previousUserAnswers);
+
+    this.isAnswered = this.quizService.isAnswered;  // am I using this here?
+  }
+
+  ngOnChanges(changes: SimpleChanges) {
+    if (changes.question && changes.question.currentValue !== changes.question.firstChange) {
+      this.currentQuestion = changes.question.currentValue;
+      this.correctAnswers = this.quizService.getCorrectAnswers(this.currentQuestion);
+      this.multipleAnswer = this.correctAnswers.length > 1;
+      this.sendMultipleAnswerToQuizService();
+
+      if (this.formGroup) {
+        this.formGroup.patchValue({answer: ''});
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+        this.alreadyAnswered = false;
+      }
+    }
+  }
+
+<<<<<<< HEAD
+  setSelected(optionIndex: number): void {
+    this.quizStarted = true;
+    this.alreadyAnswered = true;
+    this.answer.emit(optionIndex);
+
+    if (this.correctAnswers.length === 1) {
+      this.currentQuestion.options.forEach(option => {
+        option.selected = false;
+        option.className = "";
+      });
+    }
+    this.currentQuestion.options[optionIndex].selected = true;
+    this.optionSelected = this.currentQuestion.options[optionIndex];
+=======
+  private sendMultipleAnswerToQuizService(): void {
+    this.quizService.setMultipleAnswer(this.multipleAnswer);
+  }
+
+  isCorrect(correct: boolean, optionIndex: number): boolean {
+    return correct === this.currentQuestion.options[optionIndex].correct;
+  }
+
+  setSelected(optionIndex: number): void {
+    this.quizStarted = true;
+    this.correctMessage = this.quizService.correctMessage;
+    this.isCorrectAnswerSelected = this.isCorrect(this.currentQuestion.options[optionIndex].correct, optionIndex);
+    this.answer.emit(optionIndex);
+
+    if (this.correctAnswers.length === 1) {
+      this.currentQuestion.options.forEach((option) => option.selected = false);
+    }
+    this.currentQuestion.options[optionIndex].selected = true;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+    if (
+      optionIndex >= 0 &&
+      this.currentQuestion &&
+      this.currentQuestion.options &&
+<<<<<<< HEAD
+      this.currentQuestion.options[optionIndex]["correct"]
+    ) {
+      this.optionSelected.className = "correct";
+=======
+      this.currentQuestion.options[optionIndex]['correct']
+    ) {
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+      this.timerService.stopTimer();
+      this.quizService.correctSound.play();
+      optionIndex = null;
+    } else {
+<<<<<<< HEAD
+      this.optionSelected.className = "incorrect";
+      this.quizService.incorrectSound.play();
+    }
+  }
+
+  private sendCurrentQuestionToQuizService(): void {
+    this.quizService.setCurrentQuestion(this.currentQuestion);
+=======
+      this.quizService.incorrectSound.play();
+    }
+    this.alreadyAnswered = true;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+}
diff --git a/components/question/single-answer/single-answer.component.html b/components/question/single-answer/single-answer.component.html
new file mode 100644
index 000000000..ade8bf146
--- /dev/null
+++ b/components/question/single-answer/single-answer.component.html
@@ -0,0 +1,20 @@
+<div class="options" *ngFor="let option of currentQuestion.options; index as i">
+  <mat-radio-button (change)="setSelected(i)" [class]="option.className">
+    <span i18n>{{ i + 1 }}. {{ option.text }}</span>
+    <ng-container>
+      <i class="material-icons" *ngIf="option.correct">done</i>
+      <i class="material-icons" *ngIf="!option.correct">clear</i>
+    </ng-container>
+  </mat-radio-button>
+
+  <section class="message" *ngIf="option.selected">
+    <div *ngIf="option.correct">
+      <i class="material-icons">sentiment_very_satisfied</i>
+      <span class="correct-message" i18n>You&apos;re right! {{ correctMessage }}</span>
+    </div>
+    <div *ngIf="!option.correct">
+      <i class="material-icons">sentiment_very_dissatisfied</i>
+      <span class="wrong-message" i18n>That&apos;s wrong. {{ correctMessage }}</span>
+    </div>
+  </section>
+</div>
diff --git a/components/question/single-answer/single-answer.component.scss b/components/question/single-answer/single-answer.component.scss
new file mode 100644
index 000000000..3215cae4c
--- /dev/null
+++ b/components/question/single-answer/single-answer.component.scss
@@ -0,0 +1,115 @@
+@import "variables";
+
+.options {
+  margin: 0 0 17.5px 6.5px;
+  padding: 5px;
+
+  mat-radio-button {
+    cursor: pointer;
+    display: inline-block;
+    width: 590px;
+    height: auto;
+    font-family: $font-stack;
+    font-size: 20px;
+    color: $dark-brown;
+    background-color: $light-gray;
+    border: 2px solid $medium-gray;
+    padding: 10px 5px 10px 30px;
+    margin-left: -5px;
+
+    &:hover {
+      border: 2px solid $vivid-blue;
+    }
+
+    &:first-child {
+      margin-top: -25px;
+    }
+  }
+
+  .correct {
+    background-color: $green;
+    border: 2px solid $vivid-blue;
+  }
+
+  .incorrect {
+    background-color: $red;
+    border: 2px solid $vivid-blue;
+  }
+
+  span {
+    white-space: normal;
+    margin-top: 5px;
+  }
+
+  i {
+    position: absolute;
+    right: 40px;
+  }
+}
+
+.mat-radio-layout {
+  display: block !important;
+}
+div.mat-radio-inner-container {
+  display: none;
+}
+
+.message {
+  display: flex;
+  justify-content: center;
+  margin: 5px 15px 5px 0;
+
+  i {
+    font-size: 30px;
+    color: $light-yellow;
+    position: relative;
+    top: 10px;
+    left: 15px;
+  }
+
+  span {
+    font-family: $font-stack;
+    font-size: 17px;
+    font-style: italic;
+    font-weight: bold;
+    margin: 10px 0 0 -15px !important;
+    padding: 10px;
+    width: 570px;
+    display: inline-flex;
+    justify-content: center;
+    background: transparentize($light-gray, 0.5);
+  }
+
+  .correct-message {
+    border-color: $vivid-blue;
+    color: $dark-green;
+  }
+
+  .wrong-message {
+    border-color: $red;
+    color: $red;
+  }
+
+  .correct-message,
+  .wrong-message {
+    margin: -5px 0 -5px 25px;
+    border: 2px solid;
+    border-radius: 10px;
+  }
+}
+
+.material-icons {
+  font-family: "Material Icons", $font-stack;
+  font-weight: normal;
+  font-style: normal;
+  font-size: 24px;
+  line-height: 1;
+  letter-spacing: normal;
+  text-transform: none;
+  display: inline-block;
+  white-space: nowrap;
+  word-wrap: normal;
+  direction: ltr;
+  -moz-font-feature-settings: 'liga';
+  -moz-osx-font-smoothing: grayscale;
+}
diff --git a/components/question/single-answer/single-answer.component.ts b/components/question/single-answer/single-answer.component.ts
new file mode 100644
index 000000000..48dd4740e
--- /dev/null
+++ b/components/question/single-answer/single-answer.component.ts
@@ -0,0 +1,96 @@
+import {
+  ChangeDetectionStrategy,
+  Component,
+  EventEmitter,
+  Input,
+  OnChanges,
+  OnInit,
+  Output,
+  SimpleChanges,
+  ViewEncapsulation
+} from '@angular/core';
+import { FormGroup } from '@angular/forms';
+
+import { Option, QuizQuestion } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: "codelab-question-single-answer",
+  templateUrl: "./single-answer.component.html",
+  styleUrls: ["./single-answer.component.scss"],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  encapsulation: ViewEncapsulation.ShadowDom
+})
+export class SingleAnswerComponent implements OnInit, OnChanges {
+  @Output() answer = new EventEmitter<number>();
+  @Input() question: QuizQuestion;
+  currentQuestion: QuizQuestion;
+  formGroup: FormGroup;
+  optionSelected: Option;
+  correctAnswers: Option[] = [];
+  correctMessage = "";
+  quizStarted: boolean;
+  alreadyAnswered = false;
+  multipleAnswer = false;
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService
+  ) { }
+
+  ngOnInit(): void {
+    this.question = this.currentQuestion;
+    this.currentQuestion = this.quizService.currentQuestion;
+    this.sendMultipleAnswerToQuizService();
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (
+      changes.question &&
+      changes.question.currentValue !== changes.question.firstChange
+    ) {
+      this.currentQuestion = changes.question.currentValue;
+      this.correctAnswers = this.quizService.getCorrectAnswers(this.currentQuestion);
+      this.correctMessage = this.quizService.correctMessage;
+
+      if (this.formGroup) {
+        this.formGroup.patchValue({ answer: "" });
+        this.alreadyAnswered = false;
+      }
+    }
+  }
+
+  setSelected(optionIndex: number): void {
+    this.quizStarted = true;
+    this.alreadyAnswered = true;
+    this.answer.emit(optionIndex);
+
+    if (this.correctAnswers.length === 1) {
+      this.currentQuestion.options.forEach(option => {
+        option.selected = false;
+        option.className = "";
+      });
+    }
+    this.currentQuestion.options[optionIndex].selected = true;
+    this.optionSelected = this.currentQuestion.options[optionIndex];
+
+    if (
+      optionIndex >= 0 &&
+      this.currentQuestion &&
+      this.currentQuestion.options &&
+      this.currentQuestion.options[optionIndex]["correct"]
+    ) {
+      this.optionSelected.className = "correct";
+      this.timerService.stopTimer();
+      this.quizService.correctSound.play();
+      optionIndex = null;
+    } else {
+      this.optionSelected.className = "incorrect";
+      this.quizService.incorrectSound.play();
+    }
+  }
+
+  private sendMultipleAnswerToQuizService(): void {
+    this.quizService.setMultipleAnswer(this.multipleAnswer);
+  }
+}
diff --git a/containers/index.ts b/containers/index.ts
new file mode 100644
index 000000000..5b7fe13e3
--- /dev/null
+++ b/containers/index.ts
@@ -0,0 +1,12 @@
+export * from './quiz/quiz.component';
+export * from './quiz-selection/quiz-selection.component';
+export * from './introduction/introduction.component';
+export * from './results/results.component';
+export * from './results/accordion/accordion.component';
+export * from './results/challenge/challenge.component';
+export * from './results/return/return.component';
+export * from './results/statistics/statistics.component';
+export * from './results/summary-report/summary-report.component';
+export * from './scoreboard/score/score.component';
+export * from './scoreboard/timer/timer.component';
+export * from './scoreboard/scoreboard.component';
diff --git a/containers/introduction/introduction.component.html b/containers/introduction/introduction.component.html
new file mode 100644
index 000000000..4a61f1642
--- /dev/null
+++ b/containers/introduction/introduction.component.html
@@ -0,0 +1,66 @@
+<<<<<<< HEAD
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <mat-card *ngIf="quiz.quizId === (quizName$ | async)">
+    <mat-card-header>
+      <img mat-card-avatar class="header-image" loading="lazy" />
+      <mat-card-title i18n>{{ quiz.milestone }} Quiz</mat-card-title>
+      <mat-card-subtitle i18n>
+        <span>How well versed are you in {{ quiz.milestone }}?</span>
+=======
+<ng-container *ngFor="let quiz of quizData">
+  <mat-card *ngIf="quiz?.quizId === quizName">
+    <mat-card-header>
+      <div mat-card-avatar class="header-image"></div>
+      <mat-card-title i18n>{{ quiz?.milestone }} Quiz</mat-card-title>
+      <mat-card-subtitle i18n>
+        <span>How well do you know {{ quiz?.milestone }}?</span>
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+        <span>Take the quiz and find out!</span>
+      </mat-card-subtitle>
+    </mat-card-header>
+
+<<<<<<< HEAD
+    <img mat-card-image class="quiz-topic-image" [src]="imagePath + quiz.image" loading="lazy" />
+
+    <mat-card-content>
+      <span i18n><strong>{{ quiz.summary }}</strong>  This quiz is composed of
+        <strong>{{ quiz.questions.length }}</strong> timed multiple-choice question(s). Taking this quiz should
+        solidify your understanding of {{ quiz.milestone }}. Beat the clock and match wits with your friends!
+=======
+    <div mat-card-image class="quiz-topic-image"
+         [ngStyle]="{ 'background': 'url(' + quiz?.imageUrl + ') no-repeat center top',
+                      'background-size': '400px 280px' }">
+    </div>
+
+    <mat-card-content>
+      <span i18n><strong>{{ quiz?.summary }}</strong>  This quiz is composed of
+        <strong>{{ quiz?.questions.length }}</strong> timed multiple-choice question(s). Taking this quiz should
+        solidify your understanding of {{ quiz?.milestone }}. Beat the clock and match wits with your friends!
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+        Good luck and have fun with this quiz. Share and enjoy!</span>
+    </mat-card-content>
+
+    <mat-card-actions>
+      <mat-checkbox (change)="onChange($event)" disableRipple="true">
+        <mat-checkbox-label labelPosition="after">Shuffle Questions and Answers</mat-checkbox-label>
+      </mat-checkbox>
+
+      <button
+<<<<<<< HEAD
+        type="button"
+        mat-raised-button
+        disableRipple="true"
+        name="start quiz"
+=======
+        mat-raised-button
+        type="button"
+        name="start quiz"
+        disableRipple="true"
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+        class="btn btn-outline-primary"
+        [routerLink]="['/quiz/question/', quiz.quizId, 1]">
+        <span i18n><strong>Start the Quiz!</strong>&nbsp;<mat-icon inline="true">play_arrow</mat-icon></span>
+      </button>
+    </mat-card-actions>
+  </mat-card>
+</ng-container>
diff --git a/containers/introduction/introduction.component.scss b/containers/introduction/introduction.component.scss
new file mode 100644
index 000000000..db210d743
--- /dev/null
+++ b/containers/introduction/introduction.component.scss
@@ -0,0 +1,111 @@
+<<<<<<< HEAD
+@import "variables.scss";
+
+mat-card {
+  margin-top: 20px;
+
+  mat-card-header {
+    display: block;
+
+    .header-image {
+      margin: 5px 0 0 15px;
+    }
+  }
+
+  .quiz-topic-image {
+    display: flex;
+    justify-content: center;
+    width: 400px;
+    height: 280px;
+    margin-top: 20px;
+    margin: 0 auto;
+  }
+
+  mat-card-content {
+    display: flex;
+    justify-content: center;
+    margin-top: 5px;
+
+    span {
+      text-align: justify;
+    }
+  }
+
+  mat-card-actions {
+    text-align: center;
+    padding-bottom: 15px !important;
+
+    mat-checkbox {
+      text-align: center;
+    }
+
+    button {
+      display: block;
+      margin: 0 auto;
+      background-color: $vivid-blue;
+      color: $black;
+
+      &:hover {
+        border: 2px solid $vivid-blue;
+      }
+    }
+  }
+=======
+@import "variables";
+
+mat-card-header {
+  display: block;
+
+  .header-image {
+    margin: 5px 0 0 15px;
+  }
+}
+
+.quiz-topic-image {
+  display: flex;
+  justify-content: center;
+  margin: 20px -10px 0 -15px;
+  height: 300px;
+}
+
+mat-card-content {
+  display: flex;
+  justify-content: center;
+  margin-top: 15px;
+
+  span {
+    text-align: justify;
+    margin-top: -25px;
+  }
+}
+
+mat-card-actions {
+  text-align: center;
+  padding-bottom: 15px !important;
+
+  mat-checkbox {
+    text-align: center;
+  }
+
+  button {
+    display: block;
+    margin: 0 auto;
+    background: $vivid-blue;
+    color: $black;
+  }
+  button:hover {
+    border: 2px solid $vivid-blue;
+  }
+}
+
+
+// overwrite the checkbox background
+::ng-deep .mat-checkbox-checked .mat-checkbox-background, .mat-checkbox-indeterminate .mat-checkbox-background {
+  background-color: $green !important;
+}
+
+// overwrite the ripple overlay on hover and click
+::ng-deep .mat-checkbox:not(.mat-checkbox-disabled) .mat-checkbox-ripple .mat-ripple-element {
+  background-color: $black !important;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+}
diff --git a/containers/introduction/introduction.component.ts b/containers/introduction/introduction.component.ts
new file mode 100644
index 000000000..e958f9ac6
--- /dev/null
+++ b/containers/introduction/introduction.component.ts
@@ -0,0 +1,75 @@
+<<<<<<< HEAD
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { Quiz } from '@codelab-quiz/shared/models/';
+import { QuizService } from '@codelab-quiz/shared/services/*';
+=======
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { QUIZ_DATA } from '@codelab-quiz/shared/quiz-data';
+import { Quiz } from '@codelab-quiz/shared/models/Quiz.model';
+import { QuizService } from '@codelab-quiz/shared/services/quiz.service';
+
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+@Component({
+  selector: 'codelab-quiz-intro',
+  templateUrl: './introduction.component.html',
+  styleUrls: ['./introduction.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+<<<<<<< HEAD
+export class IntroductionComponent implements OnInit {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  imagePath = "assets/images/milestones/";
+
+  constructor(
+    private quizService: QuizService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(
+      map((segments) => segments[1].toString())
+    );
+  }
+
+  onChange($event): void {
+=======
+export class IntroductionComponent implements OnInit, OnDestroy {
+  quizData: Quiz[] = JSON.parse(JSON.stringify(QUIZ_DATA));
+  quizName: String = '';
+  private unsubscribe$ = new Subject<void>();
+
+  constructor(private quizService: QuizService,
+              private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.activatedRoute.url
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe(segments => {
+          this.quizName = segments[1].toString();
+        });
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  onChange($event) {
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    if ($event.checked === true) {
+      this.quizService.setChecked($event.checked);
+    }
+  }
+}
diff --git a/containers/quiz-selection/quiz-selection.component.html b/containers/quiz-selection/quiz-selection.component.html
new file mode 100644
index 000000000..6326fd3a6
--- /dev/null
+++ b/containers/quiz-selection/quiz-selection.component.html
@@ -0,0 +1,82 @@
+<mat-card>
+  <mat-card-header>
+    <div class="container">
+      <div class="col-2 col-sm-2 col-md-2 col-lg-2 col-xl-2 logo">
+        <a href="https://www.codelab.fun" title="Angular Codelab" target="_blank">
+          <img mat-card-avatar class="header-image" loading="lazy">
+        </a>
+      </div>
+      <div class="col-8 col-sm-8 col-md-8 col-lg-8 col-xl-8">
+        <mat-card-title i18n>
+          <h1>Angular Codelab Quiz App</h1>
+        </mat-card-title>
+        <mat-card-subtitle i18n>
+          <span>How well do you know Angular? Find out!</span>
+        </mat-card-subtitle>
+      </div>
+      <div class="col-2 col-sm-2 col-md-2 col-lg-2 col-xl-2 info">
+        <a href="https://www.github.com/codelab-fun/codelab/blob/master/README.md#angular-codelab---codelabfun" target="_blank">
+          <i class="material-icons" matTooltip="Angular Codelab info" matTooltipPosition="right">info</i>
+        </a>
+      </div>
+    </div>
+  </mat-card-header>
+
+  <mat-card-content>
+    <mat-toolbar>
+      <button mat-button [matMenuTriggerFor]="menu" aria-label="Milestones Menu">
+        <span i18n>Milestones &#x25BC;</span>
+      </button>
+      <mat-menu #menu="matMenu" xPosition="before">
+        <div *ngFor="let quiz of quizzes$ | async">
+          <button mat-menu-item name="milestone"
+                  [routerLink]="['/quiz/intro/', quiz.quizId]"
+                  data-i18n="quiz.milestone">{{ quiz.milestone }}
+          </button>
+        </div>
+      </mat-menu>
+    </mat-toolbar>
+
+    <mat-grid-list cols="3" rowHeight="370px" gutterSize="5px">
+      <mat-grid-tile
+        *ngFor="let quiz of quizzes$ | async"
+        [@slideLeftToRight]="animationState$ | async"
+        (@slideLeftToRight.done)="animationDoneHandler()"
+        [routerLink]="['/quiz/intro/', quiz.quizId]"
+        [ngStyle]="{ 'background': 'url(' + imagePath + quiz.image + ') no-repeat center 10px',
+                     'background-size': '300px 210px' }">
+
+        <summary class="quiz-info">
+          <h5 class="quiz-title" i18n>{{ quiz.milestone }}</h5>
+          <h6 class="quiz-subtitle text-justify" i18n>{{ quiz.summary }}</h6>
+        </summary>
+
+        <div class="status-icon">
+          <span name="start" matTooltip="Start"
+                *ngIf="!selectionParams.quizCompleted ||
+                        selectionParams.status === 'Started' &&
+                        quiz.quizId === selectionParams.startedQuizId"
+                [routerLink]="['/quiz/intro/', quiz.quizId]">
+            <i class="material-icons">launch</i>
+          </span>
+          <span name="continue" matTooltip="Continue"
+                *ngIf="selectionParams.status === 'Continue' &&
+                       quiz.quizId === selectionParams.continueQuizId"
+                [routerLink]="['/quiz/question/', quiz.quizId, currentQuestionIndex]">
+            <i class="material-icons">play_arrow</i>
+          </span>
+          <span name="completed" matTooltip="Completed"
+                *ngIf="selectionParams.status === 'Completed' &&
+                       quiz.quizId === selectionParams.completedQuizId"
+                [routerLink]="['/quiz/results/', quiz.quizId]">
+            <i class="material-icons">done_all</i>
+          </span>
+        </div>
+      </mat-grid-tile>
+    </mat-grid-list>
+  </mat-card-content>
+
+  <mat-card-footer>
+    <h3 i18n>Copyright &copy; 2020 <a target="_blank" href="https://www.codelab.fun">codelab.fun</a></h3>
+  </mat-card-footer>
+</mat-card>
diff --git a/containers/quiz-selection/quiz-selection.component.scss b/containers/quiz-selection/quiz-selection.component.scss
new file mode 100644
index 000000000..ad55155db
--- /dev/null
+++ b/containers/quiz-selection/quiz-selection.component.scss
@@ -0,0 +1,192 @@
+@import "variables";
+
+mat-card {
+  margin: 1% 0 20px 17%;
+  width: 1100px;
+  height: auto;
+  border-radius: 10px;
+  border: 2px solid black;
+  background: transparentize($light-gray, 0.5);
+
+  mat-card-header {
+    height: 100px;
+
+    .logo {
+      float: left;
+
+      img {
+        float: left;
+        text-align: center;
+        width: 160px;
+        height: 80px;
+        cursor: pointer;
+      }
+    }
+
+    mat-card-title h1 {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      color: $dodger-blue;
+      margin: 15px 0 0 100px !important;
+      width: 100%;
+    }
+
+    .info {
+      float: right;
+      margin-top: -80px;
+
+      i {
+        font-size: 40px;
+<<<<<<< HEAD
+
+        &:hover {
+          -webkit-transform: scale(1.3);
+          transform: scale(1.3);
+        }
+=======
+      }
+      i:hover {
+        -webkit-transform: scale(1.3);
+        transform: scale(1.3);
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+      }
+    }
+  }
+
+  mat-card-content {
+    mat-toolbar {
+      width: 220px;
+      margin: 0 auto;
+<<<<<<< HEAD
+      background-color: transparentize($light-gray, 0.5);
+
+      button {
+        &:hover {
+          border: 1px solid $dodger-blue;
+        }
+        span {
+          font-size: 24px;
+          font-weight: 700;
+          color: $fire-red;
+        }
+=======
+      background: transparentize($light-gray, 0.5);
+
+      button span {
+        font-size: 24px;
+        font-weight: 700;
+        color: $fire-red;
+      }
+
+      button:hover {
+        border: 1px solid $dodger-blue;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+      }
+    }
+
+    mat-grid-list {
+      margin: 10px 0 0 15px;
+
+      mat-grid-tile {
+        margin: 0 10px 20px 0;
+        display: inline;
+        justify-content: center;
+        width: 320px !important;
+        height: 350px !important;
+        background-color: $off-white;
+        border: 1px solid black;
+        border-radius: 10px;
+        cursor: pointer;
+
+<<<<<<< HEAD
+        &:hover {
+          background-color: $very-light-gray;
+          border: 2px solid $dodger-blue;
+          box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
+          transition: 0.3s;
+        }
+        &:active, &:visited {
+          border: 2px solid $dodger-blue;
+          box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
+          transition: 0.3s;
+        }
+
+=======
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+        &.completed {
+          opacity: 0.6 !important;
+        }
+
+        .quiz-info {
+          margin: 60% 0 0 5px;
+          padding: 10px;
+          width: 370px;
+          height: 110px;
+
+          .quiz-title {
+            font-weight: $font-weight-max;
+            text-align: center;
+            margin-top: 20px;
+            color: $fire-red;
+          }
+
+          .quiz-subtitle {
+            font-family: Helvetica Neue, sans-serif;
+            font-size: 14px;
+            font-weight: 700;
+          }
+        }
+
+        .status-icon {
+          position: absolute;
+          top: 10px;
+          right: 10px;
+
+<<<<<<< HEAD
+          i {
+            font-size: 24px;
+            color: $green-angular-leaf;
+          }
+        }
+      }
+    }
+  }
+
+  mat-card-footer {
+    margin-bottom: 5px;
+
+    h3 {
+      font-weight: $font-weight-max;
+      color: $fire-red;
+      text-align: center;
+    }
+
+    a {
+      color: $fire-red;
+      text-decoration: none;
+=======
+          span.icon {
+            svg {
+              height: 24px;
+              width: 24px;
+              fill: $green-angular-leaf;
+            }
+          }
+        }
+      }
+      mat-grid-tile:hover {
+        background-color: $very-light-gray;
+        border: 2px solid $dodger-blue;
+        box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2) !important;
+        transition: 0.3s !important;
+      }
+      mat-grid-tile:active, mat-grid-tile:visited {
+        border: 2px solid $dodger-blue;
+        box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2) !important;
+        transition: 0.3s !important;
+      }
+
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    }
+  }
+}
diff --git a/containers/quiz-selection/quiz-selection.component.ts b/containers/quiz-selection/quiz-selection.component.ts
new file mode 100644
index 000000000..8c3020e3a
--- /dev/null
+++ b/containers/quiz-selection/quiz-selection.component.ts
@@ -0,0 +1,46 @@
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { BehaviorSubject, Observable, Subject } from 'rxjs';
+
+import { SlideLeftToRightAnimation } from '@codelab-quiz/animations/*';
+import { Quiz } from '@codelab-quiz/shared/models/';
+import { QuizService } from '@codelab-quiz/shared/services/*';
+
+type AnimationState = 'animationStarted' | 'none';
+
+@Component({
+  selector: 'codelab-quiz-selection',
+  templateUrl: './quiz-selection.component.html',
+  styleUrls: ['./quiz-selection.component.scss'],
+  animations: [SlideLeftToRightAnimation.slideLeftToRight],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizSelectionComponent implements OnInit, OnDestroy {
+  quizzes$: Observable<Quiz[]>;
+  quizId: string;
+  currentQuestionIndex: number;
+  totalQuestions: number;
+
+  selectionParams: Object;
+  animationState$ = new BehaviorSubject<AnimationState>('none');
+  unsubscribe$ = new Subject<void>();
+  imagePath = "assets/images/milestones/";
+
+  constructor(private quizService: QuizService) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizId = this.quizService.quizId;
+    this.currentQuestionIndex = this.quizService.currentQuestionIndex;
+    this.totalQuestions = this.quizService.totalQuestions;
+    this.selectionParams = this.quizService.returnQuizSelectionParams();
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  animationDoneHandler(): void {
+    this.animationState$.next('none');
+  }
+}
diff --git a/containers/quiz/quiz.component.html b/containers/quiz/quiz.component.html
new file mode 100644
index 000000000..3c59d002f
--- /dev/null
+++ b/containers/quiz/quiz.component.html
@@ -0,0 +1,118 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <mat-card *ngIf="quiz.quizId === (quizName$ | async) &&
+                   question && questionIndex <= totalQuestions"
+            [@changeRoute]="animationState$ | async"
+            (@changeRoute.done)="animationDoneHandler()">
+
+    <mat-card-header>
+      <img mat-card-avatar class="header-image" loading="lazy"
+           [routerLink]="['/quiz/select']"
+           matTooltip="back to Codelab Quiz Selection" matTooltipPosition="left" />
+      <mat-card-title i18n>{{ quiz.milestone }} Quiz</mat-card-title>
+      <mat-card-subtitle i18n>Assess your knowledge of {{ quiz.milestone }}</mat-card-subtitle>
+    </mat-card-header>
+
+    <mat-card-content>
+      <!-- the scoreboard -->
+      <codelab-scoreboard></codelab-scoreboard>
+
+      <!-- the question/explanation section -->
+      <section id="question" [ngClass]="!isAnswered() ? 'unanswered': 'answered'">
+				<div *ngIf="!isAnswered()" i18n>{{ question.questionText }}&nbsp;
+          <span class="number-correct" *ngIf="numberOfCorrectAnswers > 1">
+            <em>({{ numberOfCorrectAnswers }} answers are correct.)</em>
+          </span>
+				</div>
+        <div *ngIf="isAnswered()" i18n>
+          {{ numberOfCorrectAnswers === 1 ?
+          'Option ' + correctOptions + ' was correct because ' :
+          'Options ' + correctOptions + ' were correct because '
+          }}
+          {{ explanationText }}.
+        </div>
+      </section>
+
+      <!-- the options -->
+      <codelab-quiz-question [question]="question" (answer)="selectedAnswer($event)">
+      </codelab-quiz-question>
+    </mat-card-content>
+
+    <mat-card-footer [class.multiple-unanswered]="multipleAnswer && !isAnswered()"
+                     [class.single-unanswered]="!multipleAnswer && !isAnswered()">
+      <!-- selection message/next message -->
+      <ng-container *ngIf="!isAnswered(); else answered">
+				<span i18n class="selection-message">
+          Please select an option to continue&hellip;
+        </span>
+      </ng-container>
+      <ng-template #answered>
+				<span i18n class="next-message" *ngIf="question && questionIndex !== totalQuestions">
+          Please click the next button to continue&hellip;
+        </span>
+      </ng-template>
+
+      <!-- paging -->
+      <section class="paging">
+        <mat-card-actions>
+          <div class="prev-question-nav" *ngIf="question && questionIndex > 1">
+            <button type="button"
+                    mat-icon-button
+                    (click)="advanceToPreviousQuestion()"
+                    (window:keydown.ArrowLeft)="advanceToPreviousQuestion()"
+                    matTooltip="&laquo; Previous Question"
+                    matTooltipPosition="above"
+                    aria-label="Previous Question">
+              <i class="material-icons">navigate_before</i>
+            </button>
+          </div>
+
+          <div class="restart-nav" *ngIf="question && questionIndex > 1 && questionIndex < totalQuestions">
+            <button type="button"
+                    mat-icon-button
+                    (click)="restartQuiz()"
+                    matTooltip="Restart Quiz"
+                    matTooltipPosition="above"
+                    aria-label="Restart Quiz">
+              <i class="material-icons">replay</i>
+            </button>
+          </div>
+
+          <div class="next-question-nav" *ngIf="question && questionIndex !== totalQuestions"
+               matTooltip="Next Question &raquo;" matTooltipPosition="below">
+            <button type="button"
+                    mat-icon-button
+                    [disabled]="!isAnswered()"
+                    (click)="advanceToNextQuestion()"
+                    (window:keydown.ArrowRight)="advanceToNextQuestion()"
+                    (window:keydown.Enter)="advanceToNextQuestion()"
+                    aria-label="Next Question">
+              <i class="material-icons">navigate_next</i>
+            </button>
+          </div>
+
+          <div class="show-score-nav" *ngIf="question && questionIndex === totalQuestions">
+            <button type="submit"
+                    mat-raised-button
+                    disableRipple="true"
+                    [disabled]="!isAnswered()"
+                    (click)="advanceToResults()"
+                    (window:keydown.Enter)="advanceToResults()"
+                    (window:keydown.ArrowRight)="advanceToResults()"
+                    class="btn btn-outline-primary"
+                    aria-label="Show Your Score">
+              <i class="material-icons">score</i>&nbsp;&nbsp;<strong>Show Your Score</strong>
+            </button>
+          </div>
+        </mat-card-actions>
+      </section>
+
+      <!-- progress bar -->
+      <section class="progress-bar" *ngIf="question && questionIndex > 1">
+        <ngb-progressbar max="100" type="success" [striped]="true" [animated]="true" [value]="progressValue"
+                         class="progress-bar bg-info">
+          <strong>{{ progressValue.toFixed(0) }}%</strong>
+        </ngb-progressbar>
+      </section>
+    </mat-card-footer>
+  </mat-card>
+</ng-container>
diff --git a/containers/quiz/quiz.component.scss b/containers/quiz/quiz.component.scss
new file mode 100644
index 000000000..065ea9f55
--- /dev/null
+++ b/containers/quiz/quiz.component.scss
@@ -0,0 +1,152 @@
+@import "variables";
+
+mat-card {
+  mat-card-header {
+    display: block;
+
+    .header-image {
+      margin: -15px 0 0 15px;
+    }
+
+    mat-card-title {
+      display: inline-block;
+      margin-top: 5px;
+      font-size: 36px;
+    }
+
+    mat-card-subtitle {
+      display: block;
+      float: right;
+      margin: -35px -5px 0 0 !important;
+      clear: both;
+    }
+  }
+
+  .unanswered {
+    border: 4px thick $vivid-blue;
+  }
+
+  .answered {
+    border: 2px solid $medium-gray !important;
+  }
+
+  #question {
+    float: left;
+    font-family: $font-stack;
+    font-size: 30px;
+    font-weight: 700;
+    margin: 0 0 35px 6.5px;
+    padding: 5px 10px 15px 20px;
+    background-color: $light-gray;
+    border: 2px solid $vivid-blue;
+    color: $dark-brown;
+    width: 630px;
+    height: auto;
+    vertical-align: middle;
+
+    .number-correct {
+      color: $dark-green;
+    }
+  }
+
+  .multiple-unanswered {
+    margin-top: 200px;
+  }
+
+  .single-unanswered {
+    margin-top: -200px;
+  }
+
+  mat-card-footer {
+    display: block;
+
+    .selection-message,
+    .next-message {
+      font-family: $font-stack;
+      font-size: 16px;
+      font-weight: bold;
+      font-style: italic;
+      display: flex;
+      justify-content: center;
+    }
+
+    .selection-message {
+      margin-top: -190px;
+      margin-bottom: 20px;
+    }
+
+    .paging {
+      width: 640px;
+      margin-top: -10px;
+      margin-bottom: 20px;
+
+      mat-card-actions {
+        margin: 10px 0 45px 0;
+
+        .next-question-nav button,
+        .prev-question-nav button {
+          i {
+            font-size: 80px;
+            color: $dodger-blue;
+          }
+        }
+
+        .restart-nav button {
+          i {
+            font-size: 60px;
+            color: $dodger-blue;
+          }
+        }
+
+        .next-question-nav button {
+          margin-right: 30px;
+          margin-top: -20px;
+        }
+
+        .prev-question-nav {
+          float: left;
+          margin-left: 0;
+        }
+
+        .restart-nav {
+          float: left;
+          margin-left: 255px;
+        }
+
+        .next-question-nav {
+          float: right;
+          margin-right: -15px;
+        }
+
+        .prev-question-nav,
+        .next-question-nav,
+        .restart-nav {
+          transform: scale(1);
+          transition: 0.3s ease-in-out;
+        }
+
+        .prev-question-nav:hover,
+        .next-question-nav:hover,
+        .restart-nav:hover {
+          transform: scale(1.3);
+        }
+
+        .show-score-nav {
+          width: 150px;
+          margin: 35px auto;
+        }
+      }
+    }
+
+    .progress-bar {
+      width: 630px;
+      border-radius: 10px;
+      margin: 0 0 10px 15px;
+      background: $white;
+
+      ngb-progressbar {
+        height: 20px;
+      }
+    }
+  }
+}
diff --git a/containers/quiz/quiz.component.ts b/containers/quiz/quiz.component.ts
new file mode 100644
index 000000000..f35a3a4ba
--- /dev/null
+++ b/containers/quiz/quiz.component.ts
@@ -0,0 +1,431 @@
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+<<<<<<< HEAD
+import { BehaviorSubject, Observable, Subject } from 'rxjs';
+import { map, takeUntil } from 'rxjs/operators';
+
+import { ChangeRouteAnimation } from '@codelab-quiz/animations/';
+import { Quiz, QuizQuestion, QuizResource, Resource } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+type AnimationState = 'animationStarted' | 'none';
+
+enum Status {
+  Started = 'Started',
+  Continue = 'Continue',
+  Completed = 'Completed'
+}
+
+=======
+import { BehaviorSubject, Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { Animations } from '@codelab-quiz/animations';
+import { QUIZ_DATA } from '@codelab-quiz/shared/quiz-data';
+import { Quiz } from '@codelab-quiz/shared/models/Quiz.model';
+import { QuizQuestion } from '@codelab-quiz/shared/models/QuizQuestion.model';
+import { QuizService } from '@codelab-quiz/shared/services/quiz.service';
+import { TimerService } from '@codelab-quiz/shared/services/timer.service';
+
+type AnimationState = 'animationStarted' | 'none';
+
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+@Component({
+  selector: 'codelab-quiz-component',
+  templateUrl: './quiz.component.html',
+  styleUrls: ['./quiz.component.scss'],
+<<<<<<< HEAD
+  animations: [ChangeRouteAnimation.changeRoute],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizComponent implements OnInit, OnDestroy {
+  quizData: Quiz[];
+  quizResources: QuizResource[];
+  quizzes$: Observable<Quiz[]>;
+  question: QuizQuestion;
+  questions: QuizQuestion[];
+  resources: Resource[];
+=======
+  animations: [Animations.changeRoute],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizComponent implements OnInit, OnDestroy {
+  quizData: Quiz[] = JSON.parse(JSON.stringify(QUIZ_DATA));
+  quizName: String = '';
+  question: QuizQuestion;
+  questions: QuizQuestion[];
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  answers: number[] = [];
+  questionIndex: number;
+  totalQuestions: number;
+  progressValue: number;
+  correctCount: number;
+<<<<<<< HEAD
+
+  quizId: string;
+  quizName$: Observable<string>;
+  indexOfQuizId: number;
+  status: Status;
+  checkedShuffle: boolean;
+
+  get multipleAnswer(): boolean {
+    return this.quizService.multipleAnswer;
+  }
+  get correctOptions(): string {
+    return this.quizService.correctOptions;
+  }
+  get explanationText(): string {
+    return this.quizService.explanationText;
+  }
+  get numberOfCorrectAnswers(): number {
+    return this.quizService.numberOfCorrectAnswers;
+  }
+
+  animationState$ = new BehaviorSubject<AnimationState>('none');
+  unsubscribe$ = new Subject<void>();
+=======
+  quizId: string;
+  indexOfQuizId: number;
+  status: string;
+  previousUserAnswers: any;
+  checkedShuffle: boolean;
+  private unsubscribe$ = new Subject<void>();
+  animationState$ = new BehaviorSubject<AnimationState>('none');
+  get explanationText(): string { return this.quizService.explanationText; }
+  get correctOptions(): string { return this.quizService.correctOptions; }
+  get numberOfCorrectAnswers(): number { return this.quizService.numberOfCorrectAnswers; }
+
+  paging = {
+    previousButtonPoints: "298.052,24 266.052,0 112.206,205.129 266.052,410.258 298.052,386.258 162.206,205.129 ",
+    nextButtonPoints: "144.206,0 112.206,24 248.052,205.129 112.206,386.258 144.206,410.258 298.052,205.129 ",
+    restartButtonPath: "M152.924,300.748c84.319,0,152.912-68.6,152.912-152.918c0-39.476-15.312-77.231-42.346-105.564 c0,0,3.938-8.857,8.814-19.783c4.864-10.926-2.138-18.636-15.648-17.228l-79.125,8.289c-13.511,1.411-17.999,11.467-10.021,22.461 l46.741,64.393c7.986,10.992,17.834,12.31,22.008,2.937l7.56-16.964c12.172,18.012,18.976,39.329,18.976,61.459 c0,60.594-49.288,109.875-109.87,109.875c-60.591,0-109.882-49.287-109.882-109.875c0-19.086,4.96-37.878,14.357-54.337 c5.891-10.325,2.3-23.467-8.025-29.357c-10.328-5.896-23.464-2.3-29.36,8.031C6.923,95.107,0,121.27,0,147.829 C0,232.148,68.602,300.748,152.924,300.748z"
+  };
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute,
+    private router: Router
+<<<<<<< HEAD
+  ) { }
+
+  ngOnInit(): void {
+    this.initializeQuizVariables();
+=======
+  ) {
+    this.quizId = this.activatedRoute.snapshot.paramMap.get('quizId');
+    this.indexOfQuizId = this.quizData.findIndex(el => el.quizId === this.quizId);
+  }
+
+  ngOnInit(): void {
+    this.getQuizNameFromRoute();
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    this.shuffleQuestionsAndAnswers();
+
+    this.activatedRoute.params
+      .pipe(takeUntil(this.unsubscribe$))
+<<<<<<< HEAD
+        .subscribe((params) => {
+          this.totalQuestions = this.quizData[this.indexOfQuizId].questions.length;
+          this.quizService.setTotalQuestions(this.totalQuestions);
+
+          if (params.questionIndex) {
+            this.questionIndex = parseInt(params.questionIndex, 0);
+            this.quizService.currentQuestionIndex = this.questionIndex;
+
+            if (this.questionIndex === 1) {
+              this.status = Status.Started;
+              this.sendStartedQuizIdToQuizService();
+              this.progressValue = 0;
+            } else {
+              this.status = Status.Continue;
+              this.sendContinueQuizIdToQuizService();
+              this.progressValue = Math.ceil((this.questionIndex - 1) / this.totalQuestions * 100);
+            }
+
+            this.sendValuesToQuizService();
+          }
+      });
+=======
+        .subscribe(params => {
+          this.totalQuestions = this.quizData[this.indexOfQuizId].questions.length;
+          this.quizService.setTotalQuestions(this.totalQuestions);
+
+        if (params.questionIndex) {
+          this.questionIndex = parseInt(params.questionIndex, 0);
+          this.quizService.currentQuestionIndex = this.questionIndex;
+
+          if (this.questionIndex === 1) {
+            this.progressValue = 0;
+            this.quizData[this.indexOfQuizId].status = 'started';
+          } else {
+            this.progressValue = ((this.questionIndex - 1) / this.totalQuestions) * 100;
+          }
+
+          this.sendQuestionToQuizService();
+          this.sendQuestionsToQuizService();
+          this.sendQuizIdToQuizService();
+          this.sendQuizStatusToQuizService();
+          this.sendPreviousUserAnswersToQuizService();
+          this.sendIsAnsweredToQuizService();
+        }
+    });
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+    if (this.questionIndex === 1) {
+      this.quizService.correctAnswersCountSubject.next(0);
+    }
+
+    this.correctCount = this.quizService.correctAnswersCountSubject.getValue();
+    this.sendCorrectCountToQuizService(this.correctCount);
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+<<<<<<< HEAD
+  initializeQuizVariables(): void {
+    this.quizData = this.quizService.getQuiz();
+    this.quizResources = this.quizService.getResources();
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+    this.indexOfQuizId = this.quizData.findIndex((elem) => elem.quizId === this.quizId);
+  }
+
+  animationDoneHandler(): void {
+    this.animationState$.next('none');
+  }
+
+  isAnswered(): boolean {
+    return this.answers && this.answers.length > 0;
+  }
+
+  selectedAnswer(data): void {
+    const correctAnswers = this.question.options.filter((option) => option.correct);
+=======
+  isAnswered(): boolean {
+    return this.answers && this.answers.length > 0;
+  }
+
+  sendIsAnsweredToQuizService(): void {
+    this.quizService.setIsAnswered(this.isAnswered());
+  }
+
+  animationDoneHandler(): void {
+    this.animationState$.next('none');
+  }
+
+  selectedAnswer(data): void {
+    const correctAnswers = this.question.options.filter((options) => options.correct);
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    if (correctAnswers.length > 1 && this.answers.indexOf(data) === -1) {
+      this.answers.push(data);
+    } else {
+      this.answers[0] = data;
+    }
+  }
+
+<<<<<<< HEAD
+  checkIfAnsweredCorrectly(): void {
+    if (this.question) {
+      const correctAnswerFound = this.answers.find((answer) => {
+        return this.question.options &&
+          this.question.options[answer] &&
+          this.question.options[answer]["selected"] &&
+          this.question.options[answer]["correct"];
+      });
+
+      const answers = this.isAnswered() ? this.answers.map((answer) => answer + 1) : [];
+      this.quizService.userAnswers.push(this.isAnswered() ? answers : this.answers);
+
+      this.incrementScore(answers, correctAnswerFound);
+    }
+  }
+
+  incrementScore(answers: number[], correctAnswerFound: number): void {
+    if (correctAnswerFound > -1 && answers.length === this.quizService.numberOfCorrectAnswers) {
+      this.sendCorrectCountToQuizService(this.correctCount + 1);
+    }
+  }
+
+  shuffleQuestionsAndAnswers(): void {
+    if (this.quizService.checkedShuffle) {
+      this.quizService.shuffle(this.quizData[this.indexOfQuizId].questions);
+      this.quizService.shuffle(
+=======
+  shuffleQuestionsAndAnswers(): void {
+    if (this.quizService.checkedShuffle) {
+      this.quizService.shuffledQuestions(this.quizData[this.indexOfQuizId].questions);
+      this.quizService.shuffledAnswers(
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+        this.quizData[this.indexOfQuizId].questions[this.quizService.currentQuestionIndex].options
+      );
+    }
+  }
+
+<<<<<<< HEAD
+  /************************ paging functions *********************/
+  advanceToNextQuestion(): void {
+    this.checkIfAnsweredCorrectly();
+    this.answers = [];
+    this.status = Status.Continue;
+    this.animationState$.next('animationStarted');
+    this.quizService.navigateToNextQuestion();
+    this.timerService.resetTimer();
+  }
+
+  advanceToPreviousQuestion(): void {
+    this.answers = [];
+    this.status = Status.Continue;
+=======
+  advanceToNextQuestion() {
+    this.checkIfAnsweredCorrectly();
+    this.answers = [];
+    this.quizData[this.indexOfQuizId].status = 'continue';
+    this.animationState$.next('animationStarted');
+    this.quizService.navigateToNextQuestion();
+  }
+
+  advanceToPreviousQuestion() {
+    this.answers = null;
+    this.quizData[this.indexOfQuizId].status = 'continue';
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    this.animationState$.next('animationStarted');
+    this.quizService.navigateToPreviousQuestion();
+  }
+
+<<<<<<< HEAD
+  advanceToResults(): void {
+    this.quizService.resetAll();
+    this.timerService.stopTimer();
+    this.timerService.resetTimer();
+=======
+  advanceToResults() {
+    this.quizService.resetAll();
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    this.checkIfAnsweredCorrectly();
+    this.quizService.navigateToResults();
+  }
+
+<<<<<<< HEAD
+  restartQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.timerService.stopTimer();
+    this.timerService.resetTimer();
+    this.timerService.elapsedTimes = [];
+    this.timerService.completionTime = 0;
+    this.answers = null;
+    this.router.navigate(["/quiz/intro/", this.quizId]).then();
+  }
+
+  /************** functions that send values to quiz service *****************/
+  private sendValuesToQuizService(): void {
+    this.sendQuizQuestionToQuizService();
+    this.sendQuizQuestionsToQuizService();
+    this.sendQuizResourcesToQuizService();
+    this.sendQuizIdToQuizService();
+    this.sendQuizStatusToQuizService();
+  }
+
+  private sendQuizQuestionToQuizService(): void {
+=======
+  restartQuiz() {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.timerService.elapsedTimes = [];
+    this.timerService.completionTime = 0;
+    this.answers = null;
+    this.router.navigate(['/quiz/intro/', this.quizId]).then();
+  }
+
+  checkIfAnsweredCorrectly(): void {
+    if (this.question) {
+      const correctAnswerFound = this.answers.find((answer) => {
+        return this.question.options &&
+          this.question.options[answer] &&
+          this.question.options[answer]['selected'] &&
+          this.question.options[answer]['correct'];
+      });
+
+      const answers = this.isAnswered() ? this.answers.map((answer) => answer + 1) : [];
+      this.quizService.userAnswers.push(this.isAnswered() ? answers : this.answers);
+
+      this.addUpScores(answers, correctAnswerFound);
+    }
+  }
+
+  addUpScores(answers: number[], correctAnswerFound: number): void {
+    // TODO: for multiple-answer questions, ALL correct answers should be marked correct for the score to increase
+    if (correctAnswerFound > -1 && answers.length === this.quizService.numberOfCorrectAnswers) {
+      this.sendCorrectCountToQuizService(this.correctCount + 1);
+    }
+  }
+
+  getQuizNameFromRoute(): void {
+    this.activatedRoute.url.subscribe(segments => {
+      this.quizName = segments[1].toString();
+    });
+  }
+
+  private sendQuestionToQuizService() {
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    this.question = this.quizData[this.indexOfQuizId].questions[this.questionIndex - 1];
+    this.quizService.setQuestion(this.question);
+  }
+
+<<<<<<< HEAD
+  private sendQuizQuestionsToQuizService(): void {
+=======
+  private sendQuestionsToQuizService() {
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    this.questions = this.quizData[this.indexOfQuizId].questions;
+    this.quizService.setQuestions(this.questions);
+  }
+
+<<<<<<< HEAD
+  private sendQuizResourcesToQuizService(): void {
+    this.resources = this.quizResources[this.indexOfQuizId].resources;
+    this.quizService.setResources(this.resources);
+  }
+
+  private sendQuizIdToQuizService(): void {
+=======
+  private sendQuizIdToQuizService() {
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    this.quizService.setQuizId(this.quizId);
+  }
+
+  private sendQuizStatusToQuizService(): void {
+<<<<<<< HEAD
+    this.quizService.setQuizStatus(this.status);
+  }
+
+  private sendStartedQuizIdToQuizService(): void {
+    this.quizService.setStartedQuizId(this.quizId);
+  }
+
+  private sendContinueQuizIdToQuizService(): void {
+    this.quizService.setContinueQuizId(this.quizId);
+=======
+    this.status = this.quizData[this.indexOfQuizId].status;
+    this.quizService.setQuizStatus(this.status);
+  }
+
+  private sendPreviousUserAnswersToQuizService(): void {
+    this.questions = this.quizData[this.indexOfQuizId].questions;
+    this.quizService.setPreviousUserAnswersText(this.quizService.previousUserAnswers, this.questions);
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+
+  private sendCorrectCountToQuizService(value: number): void {
+    this.correctCount = value;
+    this.quizService.sendCorrectCountToResults(this.correctCount);
+  }
+}
diff --git a/containers/results/accordion/accordion.component.html b/containers/results/accordion/accordion.component.html
new file mode 100644
index 000000000..0fcbd42bd
--- /dev/null
+++ b/containers/results/accordion/accordion.component.html
@@ -0,0 +1,76 @@
+<mat-accordion [multi]="true" #accordion="matAccordion">
+  <mat-expansion-panel class="quiz-summary-question"
+                       *ngFor="let question of questions; let i = index"
+                       (opened)="panelOpenState = true"
+                       (closed)="panelOpenState = false"
+                       hideToggle="true">
+    <mat-expansion-panel-header>
+      <mat-panel-description>
+        <i class="material-icons accordion-icon" *ngIf="!panelOpenState">add</i>
+        <i class="material-icons accordion-icon" *ngIf="panelOpenState">remove</i>
+      </mat-panel-description>
+
+      <mat-panel-title>
+        <span class="question-leader" i18n>Question #{{ i + 1 }}: </span>&nbsp;&nbsp;
+        <span class="question-text" i18n>{{ question.questionText }}</span>
+      </mat-panel-title>
+
+      <ng-template matExpansionPanelContent>
+        <ul class="quiz-summary-fields" *ngIf="correctAnswers?.length >= 1">
+          <li i18n>
+            <span class="leader">Your Answer(s):</span>
+            <ng-container *ngIf="results.userAnswers[i]">
+              {{ results.userAnswers[i].length === 1 ? 'Option' : 'Options' }}
+              {{ results.userAnswers[i] | join }} &mdash;
+              <ng-container *ngFor="let item of results.userAnswers[i]; let isLast = last">
+                {{ question.options[item - 1].text }} <span *ngIf="!isLast"> AND </span>
+              </ng-container>
+              <i class="material-icons correct"
+                        *ngIf="checkIfAnswersAreCorrect(correctAnswers, results.userAnswers, i)">done</i>
+              <i class="material-icons incorrect"
+                        *ngIf="!checkIfAnswersAreCorrect(correctAnswers, results.userAnswers, i)">clear</i>
+            </ng-container>
+            <span *ngIf="!results.userAnswers[i] || results.userAnswers.length === 0">
+                          (no answer provided)
+            </span>
+          </li>
+          <li i18n>
+            <span class="leader">Correct Answer(s):</span>
+              {{ correctAnswers[i].answers[0].length === 1 ? 'Option' : 'Options' }}
+            <span *ngIf="correctAnswers.length === 1">
+              {{ correctAnswers[i].answers }} &mdash; {{ question.options[i].text }}
+            </span>
+            <span *ngIf="correctAnswers.length > 1">
+              {{ correctAnswers[i].answers[0] | join }} &mdash;
+              <ng-container *ngFor="let item of correctAnswers[i].answers[0]; let isLast = last">
+                {{ question.options[item - 1].text }} <span *ngIf="!isLast"> AND </span>
+              </ng-container>
+            </span>
+          </li>
+          <li i18n>
+            <span class="leader">Explanation:</span>
+            <span *ngIf="correctAnswers[i].answers[0].length === 1">
+              Option {{ correctAnswers[i].answers }} was correct because {{ question.explanation }}.
+            </span>
+            <span *ngIf="correctAnswers[i].answers[0].length > 1">
+              Options {{ correctAnswers[i].answers[0] | join }} were correct because {{ question.explanation }}.
+            </span>
+          </li>
+          <li i18n>
+            <span class="leader">Elapsed Time:</span>
+            <span>{{ results.elapsedTimes[i] }} seconds</span>
+          </li>
+        </ul>
+      </ng-template>
+    </mat-expansion-panel-header>
+  </mat-expansion-panel>
+</mat-accordion>
+
+<mat-action-row class="mat-accordion-buttons">
+  <a mat-raised-button class="btn" color="primary" title="expand all" (click)="openAllPanels()">
+    <strong>Expand All</strong>&nbsp;&nbsp;<i class="material-icons">expand_more</i>
+  </a> &nbsp;
+  <a mat-raised-button class="btn" color="primary" title="collapse all" (click)="closeAllPanels()">
+    <strong>Collapse All</strong>&nbsp;&nbsp;<i class="material-icons">expand_less</i>
+  </a>
+</mat-action-row>
diff --git a/containers/results/accordion/accordion.component.scss b/containers/results/accordion/accordion.component.scss
new file mode 100644
index 000000000..311ef77b1
--- /dev/null
+++ b/containers/results/accordion/accordion.component.scss
@@ -0,0 +1,95 @@
+@import "variables";
+
+mat-accordion {
+  clear: both;
+  padding-bottom: 20px;
+
+  mat-expansion-panel {
+    border: 2px solid $dark-blue;
+
+    &:hover {
+      border: 2px solid $vivid-blue;
+    }
+  }
+
+  mat-panel-title {
+    background-color: $light-gray;
+    color: $black;
+
+    .question-leader {
+      font-weight: $font-weight-max;
+      color: $darker-blue;
+      white-space: nowrap;
+    }
+    .question-text {
+      font-weight: 700;
+      font-style: italic;
+      color: $black;
+    }
+  }
+
+  .accordion-icon {
+    position: absolute;
+    left: 0;
+    margin-left: 25px;
+    color: $gray;
+    font-weight: $font-weight-max;
+    font-size: 20px;
+  }
+
+  .quiz-summary-question {
+    font-family: $font-stack;
+    font-size: 14px;
+    border: 2px solid $chambray-blue;
+    border-radius: 5px;
+    color: $black;
+    background-color: $light-gray;
+    margin-bottom: 15px;
+    padding: 10px;
+    text-align: left;
+
+    ul.quiz-summary-fields {
+      display: block !important;
+      margin-bottom: 10px;
+      text-align: left;
+
+      li {
+        display: block;
+        text-align: left;
+        font-size: 16px;
+        color: $darker-blue;
+        margin: 0 0 5px -30px;
+      }
+
+      .leader {
+        font-family: Roboto, "Helvetica Neue", sans-serif;
+        font-weight: 700;
+        display: inline;
+        background: none;
+        text-transform: inherit;
+        margin-left: -10px;
+      }
+
+      i {
+        font-size: larger;
+        top: 10px !important;
+      }
+      i.correct {
+        color: $green;
+        font-weight: $font-weight-max;
+      }
+      i.incorrect {
+        color: $red;
+        font-weight: $font-weight-max;
+      }
+    }
+  }
+}
+.mat-accordion-buttons {
+  display: flex;
+  justify-content: center;
+
+  button {
+    margin-right: 10px;
+  }
+}
diff --git a/containers/results/accordion/accordion.component.ts b/containers/results/accordion/accordion.component.ts
new file mode 100644
index 000000000..34f2fa347
--- /dev/null
+++ b/containers/results/accordion/accordion.component.ts
@@ -0,0 +1,46 @@
+import { ChangeDetectionStrategy, Component, OnInit, ViewChild } from '@angular/core';
+import { MatAccordion } from '@angular/material/expansion';
+
+import { QuizQuestion, Result } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-results-accordion',
+  templateUrl: './accordion.component.html',
+  styleUrls: ['./accordion.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class AccordionComponent implements OnInit {
+  questions: QuizQuestion[];
+  correctAnswers: number[] = [];
+  results: Result = {
+    userAnswers: this.quizService.userAnswers,
+    elapsedTimes: this.timerService.elapsedTimes
+  };
+
+  @ViewChild('accordion', { static: false }) accordion: MatAccordion;
+  panelOpenState = false;
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService
+  ) { }
+
+  ngOnInit(): void {
+    this.questions = this.quizService.questions;
+    this.correctAnswers = this.quizService.correctAnswers;
+  }
+
+  checkIfAnswersAreCorrect(correctAnswers: any, userAnswers: any, index: number): boolean {
+    return !(!userAnswers[index] ||
+             userAnswers[index].length === 0 ||
+             userAnswers[index].find((answer) => correctAnswers[index].answers[0].indexOf(answer) === -1));
+  }
+
+  openAllPanels(): void {
+    this.accordion.openAll();
+  }
+  closeAllPanels(): void {
+    this.accordion.closeAll();
+  }
+}
diff --git a/containers/results/challenge/challenge.component.html b/containers/results/challenge/challenge.component.html
new file mode 100644
index 000000000..73271521f
--- /dev/null
+++ b/containers/results/challenge/challenge.component.html
@@ -0,0 +1,17 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <div *ngIf="quiz.quizId === (quizName$ | async)">
+    <section class="challenge" aria-labelledby="Challenge">
+      <h4>Challenge your friends!</h4>
+      <div class="social-buttons">
+        <!--<div class="fb-share-button" data-href="https://www.codelab.fun" data-layout="button" data-size="large">
+          <a class="btn facebook hvr-shutter-out-horizontal mdc-button mdc-button--outlined" title="Facebook" target="_blank"
+           href="https://www.facebook.com/sharer/sharer.php?u=I scored {{quizMetadata.percentage}}/100 on this awesome quiz about Angular {{quiz.milestone}}. Try to beat my score at &amp;hashtag=quiz&amp;url={{codelabUrl}}!%2F&amp;src=sdkpreparse" class="fb-xfbml-parse-ignore">Share your score</a>
+        </div>-->
+        <a class="btn twitter-share-button hvr-shutter-out-horizontal mdc-button mdc-button--outlined" title="Twitter" data-size="large" data-i18n="Twitter" target="_blank"
+           href="https://twitter.com/intent/tweet?text=I%20scored%20{{quizMetadata.percentage}}/100%20on%20this%20awesome%20quiz%20about%20Angular%20{{quiz.milestone}}.%20Try%20to%20beat%20my%20score%20at%20&amp;hashtag=quiz&amp;url={{codelabUrl}}!"><strong>Tweet your score</strong></a>
+        <a class="btn email hvr-shutter-out-horizontal mdc-button mdc-button--outlined" title="e-mail" data-size="large" data-i18n="Email" target="_blank"
+           href="mailto:?subject=Try to beat my quiz score!&amp;body=I scored {{ quizMetadata.percentage }}% on this awesome quiz about Angular {{quiz.milestone}}. Try to beat my score at {{ codelabUrl }}"><strong>Email a friend</strong></a>
+      </div>
+    </section>
+  </div>
+</ng-container>
diff --git a/containers/results/challenge/challenge.component.scss b/containers/results/challenge/challenge.component.scss
new file mode 100644
index 000000000..bda8d0bfa
--- /dev/null
+++ b/containers/results/challenge/challenge.component.scss
@@ -0,0 +1,38 @@
+@import "variables";
+
+.challenge {
+  text-align: center;
+  padding-bottom: 15px;
+
+  .social-buttons {
+    display: inline-flex;
+    vertical-align: middle;
+
+    a.btn {
+      text-decoration: none;
+      margin-right: 20px;
+      padding: 9px 15px 8px 42px;
+      background: no-repeat 10px 5px;
+      background-size: 25px 25px;
+      color: $white;
+    }
+
+    a.btn.facebook {
+      background-color: $dark-blue;
+      background-image: url($facebook-path);
+      top: 10px !important;
+    }
+
+    a.btn.twitter-share-button {
+      background-color: $soft-blue;
+      background-image: url($twitter-path);
+      top: 10px !important;
+    }
+
+    a.btn.email {
+      background-color: $fuel-yellow;
+      background-image: url($email-path);
+      top: 10px !important;
+    }
+  }
+}
diff --git a/containers/results/challenge/challenge.component.ts b/containers/results/challenge/challenge.component.ts
new file mode 100644
index 000000000..afd25baea
--- /dev/null
+++ b/containers/results/challenge/challenge.component.ts
@@ -0,0 +1,42 @@
+import { ChangeDetectionStrategy, Component, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+import { Quiz, QuizMetadata } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+
+@Component({
+  selector: 'codelab-results-challenge',
+  templateUrl: './challenge.component.html',
+  styleUrls: ['./challenge.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ChallengeComponent implements OnInit {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizMetadata: Partial<QuizMetadata> = {
+    totalQuestions: this.quizService.totalQuestions,
+    totalQuestionsAttempted: this.quizService.totalQuestions,
+    correctAnswersCount$: this.quizService.correctAnswersCountSubject,
+    percentage: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+    completionTime: this.timerService.calculateTotalElapsedTime(this.timerService.elapsedTimes)
+  };
+  codelabUrl = "https://www.codelab.fun";
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+  }
+
+  calculatePercentageOfCorrectlyAnsweredQuestions(): number {
+    return Math.ceil(100 * this.quizService.correctAnswersCountSubject.getValue() / this.quizService.totalQuestions);
+  }
+}
diff --git a/containers/results/results.component.html b/containers/results/results.component.html
new file mode 100644
index 000000000..9dbfe7738
--- /dev/null
+++ b/containers/results/results.component.html
@@ -0,0 +1,278 @@
+<<<<<<< HEAD
+<mat-card>
+  <mat-card-header>
+    <img mat-card-avatar class="header-image" loading="lazy" (click)="selectQuiz()"
+         matTooltip="back to Codelab Quiz Selection" matTooltipPosition="left" />
+    <mat-card-title i18n>Results</mat-card-title>
+  </mat-card-header>
+
+  <mat-card-content>
+    <section class="results">
+      <h3 i18n>Congratulations! You&apos;ve completed the quiz!</h3>
+      <codelab-results-statistics></codelab-results-statistics>
+
+      <section class="quiz-summary">
+        <details>
+          <summary i18n>Click to view a more detailed summary of your quiz&hellip;</summary>
+          <codelab-results-summary></codelab-results-summary>
+          <codelab-results-accordion></codelab-results-accordion>
+        </details>
+      </section>
+    </section>
+
+    <codelab-results-return></codelab-results-return>
+    <hr />
+    <codelab-results-challenge></codelab-results-challenge>
+  </mat-card-content>
+
+  <ng-back-to-top bgColor="#43e756" color="#006400"></ng-back-to-top>
+</mat-card>
+=======
+<ng-container *ngFor="let quiz of quizData">
+  <mat-card *ngIf="quiz?.quizId === quizName">
+    <mat-card-header>
+      <div mat-card-avatar class="header-image" (click)="selectQuiz()"
+           matTooltip="back to Codelab Quiz Selection" matTooltipPosition="left">
+      </div>
+      <mat-card-title i18n>Results</mat-card-title>
+    </mat-card-header>
+
+    <mat-card-content>
+      <section class="results">
+        <h3 i18n>Congratulations! You&apos;ve completed the quiz!</h3>
+        <section class="statistics">
+          <span class="your-score" i18n>
+            You scored <span class="result">{{ quizMetadata?.correctAnswersCount$ | async }}</span> out of
+            <span class="result">{{ quizMetadata?.totalQuestions }}</span>&nbsp;
+            <span class="result">({{ quizMetadata?.percentage }}%)</span> questions correctly.
+          </span>
+
+          <div class="quiz-feedback">
+            <div *ngIf="quizMetadata?.percentage >= 80">
+              <img mat-card-image
+                   [src]="CONGRATULATIONS"
+                   alt="Photo of 'Congratulations'"
+                   i18n-title title="Congratulations">
+              <h3 i18n>Great job!</h3>
+            </div>
+            <div *ngIf="quizMetadata?.percentage >= 60 && quizMetadata?.percentage < 80">
+              <img mat-card-image
+                   [src]="NOT_BAD"
+                   alt="Photo of 'Not Bad'"
+                   i18n-title title="Not Bad">
+              <h3 i18n>Not bad!</h3>
+            </div>
+            <div *ngIf="quizMetadata?.percentage < 60">
+              <img mat-card-image
+                   [src]="TRY_AGAIN"
+                   alt="Photo of 'Try Again'"
+                   i18n-title title="Try Again">
+              <h3 i18n>Try again!</h3>
+
+              <!-- <p i18n>Brush up your knowledge of {{ quiz?.milestone }} with these valuable resources:</p>
+              <ul class="resources" *ngFor="let resource of resources">
+                <li i18n>
+                  <a href='{{resource?.url}}' target="_blank">
+                    <em>{{ resource?.title }}</em>
+                  </a>, {{ resource?.host }}
+                </li>
+              </ul>-->
+            </div>
+          </div>
+
+          <!-- was trying to use a circular progress-bar...
+          <mat-progress-spinner
+            class="mat-progress-spinner"
+            [mode]="mode"
+            [value]="value"
+            [animated]="true"
+            [diameter]="100"
+            strokeWidth="5"
+            aria-label="percentage">
+          </mat-progress-spinner>
+          <div class="mat-progress-spinner-percentage">
+            <strong>{{ quizMetadata?.percentage }}%</strong>
+          </div> -->
+
+          <ngb-progressbar
+            type="success"
+            [striped]="true"
+            [animated]="true"
+            [value]="quizMetadata?.percentage"
+            class="progress-bar bg-success">
+            <strong>{{ quizMetadata?.percentage }}%</strong>
+          </ngb-progressbar>
+
+          <section class="completion-time">
+            <span class="elapsed-time" i18n>
+              You completed the quiz in <span class="result">{{ elapsedMinutes }}</span> minutes and
+              <span class="result">{{ elapsedSeconds }}</span> seconds.
+            </span>
+          </section>
+        </section>
+
+        <section class="quiz-summary">
+          <details>
+            <summary i18n>Click to view a more detailed summary of your quiz&hellip;</summary>
+
+            <div class="summary-report">
+              <h2 class="summary-report-header">Summary Report</h2>
+              <div class="summary-icons">
+                <div class="printout">
+                  <a matTooltip="Print" href="javascript:window.print()">
+                    <mat-icon>printer</mat-icon>
+                  </a>
+                </div>
+                <div class="email">
+                  <a target="_blank" matTooltip="E-mail" href="mailto:?subject=Try to beat my quiz score!&amp;body=I scored {{ quizMetadata?.percentage }}% on this awesome quiz about Angular {{quiz?.milestone}}. Try to beat my score at {{ codelabUrl }}">
+                    <mat-icon>email</mat-icon>
+                  </a>
+                </div>
+                <div class="share">
+                  <a target="_blank" matTooltip="Share on Twitter" href="https://twitter.com/intent/tweet?text=I%20scored%20{{quizMetadata?.percentage}}/100%20on%20this%20awesome%20quiz%20about%20Angular%20{{quiz?.milestone}}.%20Try%20to%20beat%20my%20score%20at%20&amp;hashtag=quiz&amp;url={{codelabUrl}}!">
+                    <mat-icon>share</mat-icon>
+                  </a>
+                </div>
+              </div>
+
+              <ul class="summary-stats">
+                <li><span class="summary-stats-leader">
+                  Your Score: </span> <span class="result">{{ quizMetadata?.correctAnswersCount$ | async }}</span></li>
+                <li><span class="summary-stats-leader">
+                  Total Questions: </span> <span class="result">{{ quizMetadata?.totalQuestions }}</span></li>
+                <li><span class="summary-stats-leader">
+                  Total Questions Attempted: </span> <span class="result">{{ quizMetadata?.totalQuestionsAttempted }}
+                  </span></li>
+                <li><span class="summary-stats-leader">
+                  Your Score (percentage): </span> <span class="result">{{ quizMetadata?.percentage }}%</span></li>
+                <li><span class="summary-stats-leader">
+                  Passing Score: </span> <span class="result">60%</span></li>
+                <li><span class="summary-stats-leader">
+                  Test Status: </span> <span class="result">{{ quizMetadata?.percentage > 60 ? 'Passed' : 'Failed' }}
+                  </span></li>
+                <li><span class="summary-stats-leader">
+                  Time Elapsed: </span> <span class="result">{{ elapsedMinutes }} minutes and {{ elapsedSeconds }}
+                  seconds</span></li>
+                <li><span class="summary-stats-leader">
+                  Date/Time Completed: </span> <span class="result">{{ score.datetime | date:'medium' }}</span></li>
+              </ul><br />
+
+              <span *ngIf="checkedShuffle" class="quiz-note">
+                <i class="material-icons" matTooltip="quiz note" matTooltipPosition="left">announcement</i>&nbsp;
+                <strong><em>Note:</em></strong>&nbsp;Questions and answers were shuffled prior to the start of the quiz.
+              </span>
+            </div>
+
+            <mat-accordion [multi]="true" #accordion="matAccordion">
+              <mat-expansion-panel class="quiz-summary-question"
+                                   *ngFor="let question of questions; let i = index"
+                                   (opened)="panelOpenState = true" (closed)="panelOpenState = false" hideToggle="true">
+
+                <mat-expansion-panel-header>
+                  <mat-panel-description>
+                    <mat-icon class="accordion-icon" *ngIf="!panelOpenState">add</mat-icon>
+                    <mat-icon class="accordion-icon" *ngIf="panelOpenState">remove</mat-icon>
+                  </mat-panel-description>
+
+                  <mat-panel-title>
+                    <span class="question-leader" i18n>Question #{{ i + 1 }}: </span>&nbsp;&nbsp;
+                    <span class="question-text" i18n>{{ question?.questionText }}</span>
+                  </mat-panel-title>
+
+                  <ng-template
+                    matExpansionPanelContent>
+                    <ul class="quiz-summary-fields" *ngIf="correctAnswers?.length >= 1">
+                      <li i18n>
+                        <span class="leader">Your Answer(s):</span>
+                        <ng-container *ngIf="results?.answer[i]">
+                          {{ results?.answer[i].length === 1 ? 'Option' : 'Options' }}
+                          {{ results?.answer[i] | join }} &mdash;
+                          <ng-container *ngFor="let item of results?.answer[i]; let isLast = last">
+                            {{ question?.options[item - 1].text }} <span *ngIf="!isLast"> AND </span>
+                          </ng-container>
+                          <mat-icon class="correct"
+                                    *ngIf="checkIfAnswersAreCorrect(correctAnswers, results?.answer, i)">done</mat-icon>
+                          <mat-icon class="incorrect"
+                                    *ngIf="!checkIfAnswersAreCorrect(correctAnswers, results?.answer, i)">clear</mat-icon>
+                        </ng-container>
+                        <span *ngIf="!results?.answer[i] || results?.answer.length === 0">
+                          (no answer provided)
+                        </span>
+                      </li>
+                      <li i18n>
+                        <span class="leader">Correct Answer(s):</span>
+                        <span *ngIf="numberOfCorrectAnswers[i] === 1">
+                          Option {{ correctAnswers[i] }} &mdash; {{ question?.options[i].text }}
+                        </span>
+                        <span *ngIf="numberOfCorrectAnswers[i] > 1">
+                          Options {{ correctAnswers[i][0] | join }} &mdash;
+                          <ng-container *ngFor="let item of correctAnswers[i][0]; let isLast = last">
+                            {{ question?.options[item - 1].text }} <span *ngIf="!isLast"> AND </span>
+                          </ng-container>
+                        </span>
+                      </li>
+                      <li i18n>
+                        <span class="leader">Explanation:</span>
+                        <span *ngIf="correctAnswers[i][0].length === 1">
+                          Option {{ correctAnswers[i] }} was correct because {{ question?.explanation }}.
+                        </span>
+                        <span *ngIf="correctAnswers[i][0].length > 1">
+                          Options {{ correctAnswers[i][0] | join }} were correct because {{ question?.explanation }}.
+                        </span>
+                      </li>
+                      <li i18n>
+                        <span class="leader">Elapsed Time:</span>
+                        <span>{{ results?.elapsedTimes[i] }} seconds</span>
+                      </li>
+                    </ul>
+                  </ng-template>
+                </mat-expansion-panel-header>
+              </mat-expansion-panel>
+            </mat-accordion>
+            <mat-action-row class="mat-accordion-buttons">
+              <a mat-raised-button color="primary" title="expand all" class="btn hvr-radial-out" (click)="openAllPanels()">
+                <strong>Expand All</strong>&nbsp;&nbsp;<mat-icon>unfold_more</mat-icon>
+              </a> &nbsp;
+              <a mat-raised-button color="primary" title="collapse all" class="btn hvr-radial-out" (click)="closeAllPanels()">
+                <strong>Collapse All</strong>&nbsp;&nbsp;<mat-icon>unfold_less</mat-icon>
+              </a>
+            </mat-action-row>
+          </details>
+        </section>
+      </section>
+
+      <section class="return">
+        <mat-card-actions>
+          <mat-nav-list>
+            <a class="btn hvr-radial-out" title="restart" (click)="restartQuiz()">
+              <i class="fas fa-power-off"></i>&nbsp;&nbsp;Restart Quiz
+            </a>
+            <a class="btn hvr-radial-out" title="select quiz" (click)="selectQuiz()">
+              <i class="fas fa-mouse-pointer"></i>&nbsp;&nbsp;Select Quiz
+            </a>
+            <a class="btn hvr-radial-out" title="back to Codelab" [href]="codelabUrl">
+              <i class="fas fa-laptop"></i>&nbsp;&nbsp;Back to Codelab
+            </a>
+          </mat-nav-list>
+        </mat-card-actions>
+      </section>
+
+      <hr />
+
+      <section class="challenge-social">
+        <h4>Challenge your friends!</h4>
+        <div class="social-buttons">
+          <!--<div class="fb-share-button" data-href="https://www.codelab.fun" data-layout="button" data-size="large">
+            <a class="btn facebook hvr-shutter-out-horizontal" title="Facebook" target="_blank"
+             href="https://www.facebook.com/sharer/sharer.php?u=I scored {{quizMetadata?.percentage}}/100 on this awesome quiz about Angular {{quizData?.milestone}}. Try to beat my score at &amp;hashtag=quiz&amp;url={{codelabUrl}}!%2F&amp;src=sdkpreparse" class="fb-xfbml-parse-ignore">Share your score</a>
+          </div>-->
+          <a class="btn twitter-share-button hvr-shutter-out-horizontal" title="Twitter" data-size="large" target="_blank"
+             href="https://twitter.com/intent/tweet?text=I%20scored%20{{quizMetadata?.percentage}}/100%20on%20this%20awesome%20quiz%20about%20Angular%20{{quiz?.milestone}}.%20Try%20to%20beat%20my%20score%20at%20&amp;hashtag=quiz&amp;url={{codelabUrl}}!">Tweet your score</a>
+          <a class="btn email hvr-shutter-out-horizontal" title="e-mail" data-size="large" target="_blank"
+             href="mailto:?subject=Try to beat my quiz score!&amp;body=I scored {{ quizMetadata?.percentage }}% on this awesome quiz about Angular {{quiz?.milestone}}. Try to beat my score at {{ codelabUrl }}">Email a friend</a>
+        </div>
+      </section>
+    </mat-card-content>
+  </mat-card>
+</ng-container>
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
diff --git a/containers/results/results.component.scss b/containers/results/results.component.scss
new file mode 100644
index 000000000..54a4d2bc7
--- /dev/null
+++ b/containers/results/results.component.scss
@@ -0,0 +1,388 @@
+@import "variables";
+
+mat-card-header {
+  display: block;
+  margin-top: 20px !important;
+
+  .header-image {
+    margin-left: 10px;
+  }
+
+  mat-card-title {
+    font-family: 'Roboto', arial, sans-serif;
+    font-size: 48px !important;
+    font-style: italic;
+    font-weight: 900;
+    color: $green-angular-leaf;
+<<<<<<< HEAD
+    text-shadow: 1px 0 0 $black,
+    0 -1px 0 $black,
+    0 1px 0 $black,
+    -1px 0 0 $black;
+=======
+    text-shadow: 1px 0 0 $black, 0 -1px 0 $black, 0 1px 0 $black, -1px 0 0 $black;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+}
+
+.results {
+  display: block;
+  clear: both;
+
+  h3 {
+    font-family: $congratulations-font;
+    font-size: 32px;
+    font-style: italic;
+    text-align: center;
+  }
+<<<<<<< HEAD
+=======
+  img {
+    width: 150px;
+    height: 150px;
+    margin: 0 auto;
+    display: flex;
+    justify-content: center;
+    text-align: center;
+  }
+
+  .statistics {
+    h3, span, .quiz-feedback, div span {
+      text-align: center;
+    }
+
+    span {
+      display: block;
+    }
+
+    .your-score, .elapsed-time {
+      font-size: 18px;
+      font-weight: bold;
+    }
+
+    .result {
+      font-family: $font-stack;
+      font-size: 26px;
+      display: inline;
+    }
+
+    .percent-sign {
+      font-size: large;
+      font-weight: $font-weight-max;
+    }
+
+    .progress-bar {
+      width: 400px;
+      margin: 0 auto;
+      border-radius: 10px;
+    }
+
+    .mat-progress-spinner {
+      margin: 0 auto;
+    }
+    .mat-progress-spinner-percentage {
+      font-family: $font-stack;
+      font-size: 16px;
+      text-align: center;
+      clear: both;
+    }
+
+    .quiz-feedback {
+      margin-top: 20px;
+
+      img {
+        border-radius: 10px;
+      }
+
+      ul.resources {
+        line-height: 0.5;
+      }
+
+      ul.resources li {
+        list-style-type: square;
+        text-align: left;
+        margin-left: 16%;
+        width: 400px;
+      }
+    }
+  }
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+  .quiz-summary {
+    display: flex;
+    flex-direction: column;
+    margin-top: 20px;
+
+    details {
+      display: block;
+
+      summary {
+        font-size: 16px;
+        color: $vivid-blue;
+        font-weight: $font-weight-max;
+        outline: none;
+        text-align: center;
+      }
+<<<<<<< HEAD
+    }
+  }
+}
+=======
+
+      .summary-icons {
+        display: inline;
+        float: right;
+
+        a {
+          color: $gray;
+          text-decoration: none;
+        }
+
+        .printout {
+          float: right;
+          margin-right: 60px;
+          margin-top: -40px;
+        }
+
+        .email {
+          float: right;
+          margin-right: 35px;
+          margin-top: -40px;
+        }
+
+        .share {
+          float: right;
+          margin-right: 10px;
+          margin-top: -40px;
+        }
+      }
+
+      .summary-report {
+        margin: 0 auto;
+        border: 2px double $black;
+        width: 32.5rem;
+        clear: both;
+        padding: 5px;
+        margin-top: 15px;
+        margin-bottom: 25px;
+
+        .summary-report-header {
+          text-align: center;
+          font-weight: $font-weight-max;
+        }
+
+        ul li {
+          list-style-type: none;
+        }
+
+        .summary-stats-leader {
+          font-weight: $font-weight-max;
+          font-color: $green-angular-leaf;
+          font-size: 16px;
+        }
+
+        .result {
+          font-size: 20px;
+        }
+
+        .quiz-note {
+          font-family: $font-stack;
+          font-size: 16px;
+          display: flex;
+          justify-content: center;
+          word-wrap: break-word;
+          margin-left: 10px;
+        }
+      }
+
+      mat-accordion {
+        clear: both;
+        padding-bottom: 20px;
+
+        mat-expansion-panel {
+          border: 2px solid $dark-blue;
+
+          &:hover {
+            border: 2px solid $vivid-blue;
+          }
+        }
+
+        mat-panel-title {
+          background-color: $light-gray;
+          color: $black;
+
+          .question-leader {
+            font-weight: $font-weight-max;
+            color: $darker-blue;
+            white-space: nowrap;
+          }
+          .question-text {
+            font-weight: 700;
+            font-style: italic;
+            color: $black;
+          }
+        }
+
+        .accordion-icon {
+          position: absolute;
+          left: 0;
+          color: $gray;
+          font-weight: $font-weight-max;
+          font-size: 20px;
+        }
+
+        .quiz-summary-question {
+          font-family: $font-stack;
+          font-size: 14px;
+          border: 2px solid $chambray-blue;
+          border-radius: 5px;
+          color: $black;
+          background-color: $light-gray;
+          margin-bottom: 15px;
+          padding: 10px;
+          text-align: left;
+
+          ul.quiz-summary-fields {
+            display: block !important;
+            margin-bottom: 10px;
+            text-align: left;
+
+            li {
+              display: block;
+              text-align: left;
+              font-size: 16px;
+              color: $darker-blue;
+              margin: 0 0 5px -30px;
+            }
+
+            .leader {
+              font-family: Roboto, "Helvetica Neue", sans-serif;
+              font-weight: 700;
+              display: inline;
+              background: none;
+              text-transform: inherit;
+              margin-left: -10px;
+            }
+
+            mat-icon {
+              font-size: larger;
+              top: 10px !important;
+            }
+            mat-icon.correct {
+              color: $green !important;
+              font-weight: $font-weight-max;
+            }
+            mat-icon.incorrect {
+              color: $red !important;
+              font-weight: $font-weight-max;
+            }
+          }
+        }
+      }
+      .mat-accordion-buttons {
+        display: flex;
+        justify-content: center;
+
+        button {
+          margin-right: 10px;
+        }
+      }
+    }
+  }
+}
+
+.return {
+  clear: left;
+  text-align: center;
+  margin-top: 10px;
+
+  a.btn {
+    margin-right: 15px;
+    background-color: $light-sea-green;
+    color: $white;
+    border: 1px solid $black;
+    border-radius: 5px;
+  }
+}
+
+.challenge-social {
+  text-align: center;
+  padding-bottom: 15px;
+
+  .social-buttons {
+    display: block;
+
+    a.btn {
+      text-decoration: none;
+      margin-right: 20px;
+      padding: 9px 15px 8px 42px;
+      background: no-repeat 10px 5px;
+      background-size: 25px 25px;
+      color: $white;
+    }
+
+    a.btn.facebook {
+      background-color: $dark-blue;
+      background-image: url($facebook-path);
+      top: 10px !important;
+    }
+
+    a.btn.twitter-share-button {
+      background-color: $soft-blue;
+      background-image: url($twitter-path);
+      top: 10px !important;
+    }
+
+    a.btn.email {
+      background-color: $fuel-yellow;
+      background-image: url($email-path);
+      top: 10px !important;
+    }
+  }
+}
+
+/* add ripple effect to buttons */
+a.btn {
+  position: relative;
+  overflow: hidden;
+}
+
+a.btn::after {
+  display: none;
+  content: "";
+  position: absolute;
+  border-radius: 50%;
+  background-color: rgba(0, 0, 0, 0.3);
+
+  width: 100px;
+  height: 100px;
+  margin-top: -50px;
+  margin-left: -50px;
+
+  /* Center the ripple */
+  top: 50%;
+  left: 50%;
+
+  animation: ripple 1s;
+  opacity: 0;
+}
+a.btn:focus:not(:active)::after {
+  display: block;
+}
+
+@keyframes ripple {
+  from {
+    opacity: 1;
+    transform: scale(0);
+  }
+  to {
+    opacity: 0;
+    transform: scale(10);
+  }
+}
+
+// set the color of mat-progress-spinner to green
+:host ::ng-deep .mat-progress-spinner circle {
+  stroke: $green;
+}
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
diff --git a/containers/results/results.component.ts b/containers/results/results.component.ts
new file mode 100644
index 000000000..c0cb92b74
--- /dev/null
+++ b/containers/results/results.component.ts
@@ -0,0 +1,214 @@
+<<<<<<< HEAD
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { Quiz } from '@codelab-quiz/shared/models/';
+import { QuizService } from '@codelab-quiz/shared/services/*';
+=======
+import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { MatAccordion } from '@angular/material/expansion';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { QUIZ_DATA } from '@codelab-quiz/shared/quiz-data';
+import { Quiz } from '@codelab-quiz/shared/models/Quiz.model';
+import { QuizMetadata } from '@codelab-quiz/shared/models/QuizMetadata.model';
+import { QuizQuestion } from '@codelab-quiz/shared/models/QuizQuestion.model';
+import { Result } from '@codelab-quiz/shared/models/Result.model';
+import { Score } from '@codelab-quiz/shared/models/Score.model';
+import { QuizService } from '@codelab-quiz/shared/services/quiz.service';
+import { TimerService } from '@codelab-quiz/shared/services/timer.service';
+
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+@Component({
+  selector: 'codelab-quiz-results',
+  templateUrl: './results.component.html',
+<<<<<<< HEAD
+  styleUrls: ['./results.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ResultsComponent implements OnInit, OnDestroy {
+  quizData: Quiz[];
+  quizId: string;
+  indexOfQuizId: number;
+  unsubscribe$ = new Subject<void>();
+
+  constructor(
+    private quizService: QuizService,
+    private activatedRoute: ActivatedRoute,
+    private router: Router
+  ) { }
+
+  ngOnInit(): void {
+    this.quizData = this.quizService.getQuiz();
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+    this.indexOfQuizId = this.quizData.findIndex((elem) => elem.quizId === this.quizId);
+    this.sendCompletedQuizIdToQuizService();
+=======
+  styleUrls: ['./results.component.scss']
+})
+export class ResultsComponent implements OnInit, OnDestroy {
+  quizData: Quiz[] = JSON.parse(JSON.stringify(QUIZ_DATA));
+  // quizResources: QuizResource[] = JSON.parse(JSON.stringify(QUIZ_RESOURCES));
+  quizMetadata: Partial<QuizMetadata> = {
+    totalQuestions: this.quizService.totalQuestions,
+    totalQuestionsAttempted: this.quizService.totalQuestions, // should be same as totalQuestions since next button is disabled
+    correctAnswersCount$: this.quizService.correctAnswersCountSubject,
+    percentage: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+    completionTime: this.timerService.calculateTotalElapsedTime(this.timerService.elapsedTimes)
+  };
+  results: Result = {
+    answer: this.quizService.userAnswers,
+    elapsedTimes: this.timerService.elapsedTimes
+  };
+  questions: QuizQuestion[];
+  quizName = '';
+  quizId: string;
+  indexOfQuizId: number;
+  status: string;
+  correctAnswers: number[] = [];
+  previousUserAnswers: any[] = [];
+  numberOfCorrectAnswers: number[] = [];
+  elapsedMinutes: number;
+  elapsedSeconds: number;
+  checkedShuffle: boolean;
+  highScores: Score[] = [];
+  score: Score;
+  private unsubscribe$ = new Subject<void>();
+
+  @ViewChild('accordion', { static: false }) accordion: MatAccordion;
+  panelOpenState = false;
+
+  CONGRATULATIONS = '../../assets/images/congrats.gif';
+  NOT_BAD = '../../assets/images/not-bad.jpg';
+  TRY_AGAIN = '../../assets/images/try-again.jpeg';
+  codelabUrl = 'https://www.codelab.fun';
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute,
+    private router: Router
+  ) {
+    this.quizId = this.activatedRoute.snapshot.paramMap.get('quizId');
+    this.indexOfQuizId = this.quizData.findIndex(el => el.quizId === this.quizId);
+    this.quizData[this.indexOfQuizId].status = 'completed';
+
+    this.sendQuizStatusToQuizService();
+    this.sendCompletedQuizIdToQuizService();
+    this.sendPreviousUserAnswersToQuizService();
+    this.calculateElapsedTime();
+    this.saveHighScores();
+  }
+
+  ngOnInit(): void {
+    this.activatedRoute.url
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe(segments => {
+          this.quizName = segments[1].toString();
+        });
+
+    this.questions = this.quizService.questions;
+    this.correctAnswers = this.quizService.correctAnswers;
+    this.numberOfCorrectAnswers = this.quizService.numberOfCorrectAnswersArray;
+    this.checkedShuffle = this.quizService.checkedShuffle;
+    this.previousUserAnswers = this.quizService.userAnswers;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+<<<<<<< HEAD
+  selectQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.quizId = '';
+    this.indexOfQuizId = 0;
+    this.router.navigate(["/quiz/select/"]).then();
+=======
+  private sendQuizStatusToQuizService(): void {
+    this.status = this.quizData[this.indexOfQuizId].status;
+    this.quizService.setQuizStatus(this.status);
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+
+  private sendCompletedQuizIdToQuizService(): void {
+    this.quizService.setCompletedQuizId(this.quizId);
+  }
+<<<<<<< HEAD
+}
+
+=======
+
+  private sendPreviousUserAnswersToQuizService(): void {
+    this.quizService.setPreviousUserAnswers(this.previousUserAnswers);
+  }
+
+  calculateElapsedTime(): void {
+    this.elapsedMinutes = Math.floor(this.quizMetadata.completionTime / 60);
+    this.elapsedSeconds = this.quizMetadata.completionTime % 60;
+  }
+
+  calculatePercentageOfCorrectlyAnsweredQuestions(): number {
+    return Math.ceil(100 * this.quizService.correctAnswersCountSubject.getValue() / this.quizService.totalQuestions);
+  }
+
+  checkIfAnswersAreCorrect(correctAnswers: any, answer: any, index: number): boolean {
+    return !(!answer[index] ||
+             answer[index].length === 0 ||
+             answer[index].find((answer) => correctAnswers[index][0].indexOf(answer) === -1));
+  }
+
+  saveHighScores(): void {
+    this.score = {
+      quizId: this.quizId,
+      score: this.quizService.correctAnswersCountSubject.getValue(),
+      datetime: new Date()
+    };
+
+    const MAX_LENGTH = 2;
+    if (this.quizId === this.quizName) {
+      this.highScores = new Array(MAX_LENGTH);
+    }
+
+    // TODO: checked, error doesn't get thrown if quiz is taken more than 2 times; maybe need to use localstorage
+    if (this.quizId && this.highScores.length > MAX_LENGTH) {
+      console.log('ERROR: ' + this.quizData[this.indexOfQuizId].milestone + ' can only be taken ' + MAX_LENGTH + ' times');
+    }
+    this.highScores.push(this.score);
+    console.log('High Scores:', this.highScores);
+  }
+
+  openAllPanels(): void {
+    this.accordion.openAll();
+  }
+  closeAllPanels(): void {
+    this.accordion.closeAll();
+  }
+
+  restartQuiz() {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.timerService.elapsedTimes = [];
+    this.timerService.completionTime = 0;
+    this.router.navigate(['/quiz/intro/', this.quizId]).then();
+  }
+
+  selectQuiz() {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.quizId = '';
+    this.indexOfQuizId = 0;
+    this.router.navigate(['/quiz/select/']).then();
+  }
+}
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
diff --git a/containers/results/return/return.component.html b/containers/results/return/return.component.html
new file mode 100644
index 000000000..a512f8a1a
--- /dev/null
+++ b/containers/results/return/return.component.html
@@ -0,0 +1,24 @@
+<section class="return" aria-labelledby="return">
+  <mat-card-actions>
+    <mat-nav-list>
+      <a class="btn hvr-radial-out mdc-button mdc-button--outlined" title="restart"
+         aria-labelledby="Restart" data-i18n="Restart" (click)="restartQuiz()">
+        <div class="mdc-button__ripple"></div>
+        <i class="material-icons mdc-button__icon" aria-hidden="true">power_settings_new</i>&nbsp;&nbsp;
+        <span class="mdc-button__label"><strong>Restart Quiz</strong></span>
+      </a>
+      <a class="btn hvr-radial-out mdc-button mdc-button--outlined" title="select quiz"
+         aria-labelledby="Select Quiz" data-i18n="Select Quiz" (click)="selectQuiz()">
+        <div class="mdc-button__ripple"></div>
+        <i class="material-icons mdc-button__icon" aria-hidden="true">select_all</i>&nbsp;&nbsp;
+        <span class="mdc-button__label"><strong>Select Quiz</strong></span>
+      </a>
+      <a class="btn hvr-radial-out mdc-button mdc-button--outlined" title="back to Codelab"
+         aria-labelledby="Back to Codelab" data-i18n="Back to Codelab" [href]="codelabUrl">
+        <div class="mdc-button__ripple"></div>
+        <i class="material-icons mdc-button__icon" aria-hidden="true">laptop</i>&nbsp;&nbsp;
+        <span class="mdc-button__label"><strong>Back to Codelab</strong></span>
+      </a>
+    </mat-nav-list>
+  </mat-card-actions>
+</section>
diff --git a/containers/results/return/return.component.scss b/containers/results/return/return.component.scss
new file mode 100644
index 000000000..e567ad717
--- /dev/null
+++ b/containers/results/return/return.component.scss
@@ -0,0 +1,60 @@
+@import "variables";
+
+.return {
+  clear: left;
+  text-align: center;
+  margin-top: 10px;
+
+  a.btn {
+    margin-right: 15px;
+    background-color: $light-sea-green;
+    color: $white;
+    border: 1px solid $black;
+    border-radius: 5px;
+  }
+
+  .mdc-button {
+    display: inline-flex;
+    vertical-align: middle;
+  }
+}
+
+/* add ripple effect to buttons */
+a.btn {
+  position: relative;
+  overflow: hidden;
+}
+
+a.btn::after {
+  display: none;
+  content: "";
+  position: absolute;
+  border-radius: 50%;
+  background-color: rgba(0, 0, 0, 0.3);
+
+  width: 100px;
+  height: 100px;
+  margin-top: -50px;
+  margin-left: -50px;
+
+  /* Center the ripple */
+  top: 50%;
+  left: 50%;
+
+  animation: ripple 1s;
+  opacity: 0;
+}
+a.btn:focus:not(:active)::after {
+  display: block;
+}
+
+@keyframes ripple {
+  from {
+    opacity: 1;
+    transform: scale(0);
+  }
+  to {
+    opacity: 0;
+    transform: scale(10);
+  }
+}
diff --git a/containers/results/return/return.component.ts b/containers/results/return/return.component.ts
new file mode 100644
index 000000000..5a39625e9
--- /dev/null
+++ b/containers/results/return/return.component.ts
@@ -0,0 +1,54 @@
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+
+@Component({
+  selector: 'codelab-results-return',
+  templateUrl: './return.component.html',
+  styleUrls: ['./return.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class ReturnComponent implements OnInit, OnDestroy {
+  quizId: string;
+  indexOfQuizId: number;
+  codelabUrl = "https://www.codelab.fun";
+  unsubscribe$ = new Subject<void>();
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute,
+    private router: Router
+  ) { }
+
+  ngOnInit(): void {
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  restartQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.timerService.elapsedTimes = [];
+    this.timerService.completionTime = 0;
+    this.router.navigate(["/quiz/intro/", this.quizId]).then();
+  }
+
+  selectQuiz(): void {
+    this.quizService.resetAll();
+    this.quizService.resetQuestions();
+    this.quizId = '';
+    this.indexOfQuizId = 0;
+    this.router.navigate(["/quiz/select/"]).then();
+  }
+}
diff --git a/containers/results/statistics/statistics.component.html b/containers/results/statistics/statistics.component.html
new file mode 100644
index 000000000..489e7ca7b
--- /dev/null
+++ b/containers/results/statistics/statistics.component.html
@@ -0,0 +1,62 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <div *ngIf="quiz.quizId === (quizName$ | async)">
+    <section class="statistics">
+      <span class="your-score" i18n>
+        You scored <span class="result">{{ quizMetadata.correctAnswersCount$ | async }}</span> out of
+        <span class="result">{{ quizMetadata.totalQuestions }}</span>&nbsp;
+        <span class="result">({{ quizMetadata.percentage }}%)</span> questions correctly.
+      </span>
+
+      <div class="quiz-feedback">
+        <div *ngIf="quizMetadata.percentage >= 80">
+          <img mat-card-image loading="lazy"
+               [src]="CONGRATULATIONS"
+               alt="Photo of 'Congratulations'"
+               i18n-title title="Congratulations" />
+          <h3 i18n>Great job!</h3>
+        </div>
+        <div *ngIf="quizMetadata.percentage >= 60 && quizMetadata.percentage < 80">
+          <img mat-card-image loading="lazy"
+               [src]="NOT_BAD"
+               alt="Photo of 'Not Bad'"
+               i18n-title title="Not Bad" />
+          <h3 i18n>Not bad!</h3>
+        </div>
+        <div *ngIf="quizMetadata.percentage < 60">
+          <img mat-card-image loading="lazy"
+               [src]="TRY_AGAIN"
+               alt="Photo of 'Try Again'"
+               i18n-title title="Try Again" />
+          <h3 i18n>Try again!</h3>
+
+          <p i18n>Brush up your knowledge of {{ quiz.milestone }} with these valuable resources:</p>
+          <ul class="resources" *ngFor="let resource of resources">
+            <li i18n>
+              <a href='{{resource.url}}' target="_blank">
+                <span class="resource-title">{{ resource.title }}</span>
+              </a>,&nbsp;
+              <span class="resource-host">{{ resource.host }}</span>
+            </li>
+          </ul>
+        </div>
+      </div>
+
+      <ngb-progressbar
+        *ngIf="status === 'Completed'"
+        type="success"
+        [striped]="true"
+        [animated]="true"
+        [value]="quizMetadata.percentage"
+        class="progress-bar bg-success">
+        <strong>{{ quizMetadata.percentage }}%</strong>
+      </ngb-progressbar>
+
+      <section class="completion-time">
+        <span class="elapsed-time" i18n>
+          You completed the quiz in <span class="result">{{ elapsedMinutes }}</span> minutes and
+          <span class="result">{{ elapsedSeconds }}</span> seconds.
+        </span>
+      </section>
+    </section>
+  </div>
+</ng-container>
diff --git a/containers/results/statistics/statistics.component.scss b/containers/results/statistics/statistics.component.scss
new file mode 100644
index 000000000..5013e00ec
--- /dev/null
+++ b/containers/results/statistics/statistics.component.scss
@@ -0,0 +1,62 @@
+@import "variables";
+
+.statistics {
+  h3, span, .quiz-feedback {
+    text-align: center;
+  }
+
+  span {
+    display: block;
+  }
+
+  .your-score, .elapsed-time {
+    font-size: 18px;
+    font-weight: bold;
+  }
+
+  .result {
+    font-family: $font-stack;
+    font-size: 26px;
+    display: inline;
+  }
+
+  .progress-bar {
+    width: 400px;
+    margin: 0 auto;
+    border-radius: 10px;
+  }
+
+  .quiz-feedback {
+    margin-top: 20px;
+
+    img {
+      width: 180px;
+      height: 180px;
+      border-radius: 10px;
+      margin: 0 auto;
+      display: flex;
+      justify-content: center;
+      text-align: center;
+    }
+
+    ul.resources {
+      line-height: 0.5;
+    }
+
+    ul.resources li {
+      list-style-type: square;
+      text-align: left;
+      margin-left: 16%;
+      width: 500px;
+    }
+    .resource-title {
+      font-weight: bold;
+      font-style: italic;
+      display: inline;
+    }
+    .resource-host {
+      font-style: italic;
+      display: inline;
+    }
+  }
+}
diff --git a/containers/results/statistics/statistics.component.ts b/containers/results/statistics/statistics.component.ts
new file mode 100644
index 000000000..1c0bc8219
--- /dev/null
+++ b/containers/results/statistics/statistics.component.ts
@@ -0,0 +1,79 @@
+import { ChangeDetectionStrategy, Component, OnDestroy, OnInit } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable, Subject } from 'rxjs';
+import { map, takeUntil } from 'rxjs/operators';
+
+import { Quiz, QuizMetadata, Resource } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+enum Status {
+  Started = 'Started',
+  Continue = 'Continue',
+  Completed = 'Completed'
+}
+
+@Component({
+  selector: 'codelab-results-statistics',
+  templateUrl: './statistics.component.html',
+  styleUrls: ['./statistics.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class StatisticsComponent implements OnInit, OnDestroy {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizId: string;
+  quizMetadata: Partial<QuizMetadata> = {
+    totalQuestions: this.quizService.totalQuestions,
+    totalQuestionsAttempted: this.quizService.totalQuestions,
+    correctAnswersCount$: this.quizService.correctAnswersCountSubject,
+    percentage: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+    completionTime: this.timerService.calculateTotalElapsedTime(this.timerService.elapsedTimes)
+  };
+  resources: Resource[];
+  status: Status;
+  elapsedMinutes: number;
+  elapsedSeconds: number;
+
+  imagePath = "assets/images/results/";
+  CONGRATULATIONS = this.imagePath.concat("congrats.gif");
+  NOT_BAD = this.imagePath.concat("not-bad.jpg");
+  TRY_AGAIN = this.imagePath.concat("try-again.jpeg");
+
+  unsubscribe$ = new Subject<void>();
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+    this.resources = this.quizService.resources;
+    this.status = Status.Completed;
+    this.calculateElapsedTime();
+    this.sendQuizStatusToQuizService();
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  calculateElapsedTime(): void {
+    this.elapsedMinutes = Math.floor(this.quizMetadata.completionTime / 60);
+    this.elapsedSeconds = this.quizMetadata.completionTime % 60;
+  }
+
+  calculatePercentageOfCorrectlyAnsweredQuestions(): number {
+    return Math.ceil(100 * this.quizService.correctAnswersCountSubject.getValue() / this.quizService.totalQuestions);
+  }
+
+  private sendQuizStatusToQuizService(): void {
+    this.quizService.setQuizStatus(this.status);
+  }
+}
diff --git a/containers/results/summary-report/summary-report.component.html b/containers/results/summary-report/summary-report.component.html
new file mode 100644
index 000000000..bd7301857
--- /dev/null
+++ b/containers/results/summary-report/summary-report.component.html
@@ -0,0 +1,68 @@
+<ng-container *ngFor="let quiz of quizzes$ | async">
+  <div *ngIf="quiz.quizId === (quizName$ | async)">
+    <section class="summary-report" aria-labelledby="Summary Report">
+      <h2>Summary Report</h2>
+      <div class="summary-icons">
+        <div class="print">
+          <a matTooltip="Print" aria-labelledby="Print" href="javascript:window.print()">
+            <i class="material-icons">print</i>
+          </a>
+        </div>
+        <div class="email">
+          <a target="_blank" matTooltip="E-mail" aria-labelledby="E-mail" href="mailto:?subject=Try to beat my quiz score!&amp;body=I scored {{ quizMetadata.percentage }}% on this awesome quiz about Angular {{quiz.milestone}}. Try to beat my score at {{ codelabUrl }}">
+            <i class="material-icons">email</i>
+          </a>
+        </div>
+        <div class="share">
+          <a target="_blank" matTooltip="Share on Twitter" aria-labelledby="Twitter" href="https://twitter.com/intent/tweet?text=I%20scored%20{{quizMetadata.percentage}}/100%20on%20this%20awesome%20quiz%20about%20Angular%20{{quiz.milestone}}.%20Try%20to%20beat%20my%20score%20at%20&amp;hashtag=quiz&amp;url={{codelabUrl}}!">
+            <i class="material-icons">share</i>
+          </a>
+        </div>
+      </div>
+
+      <ul class="summary-stats">
+        <li><span class="summary-stats-leader">
+          Your Score: </span> <span class="result">{{ quizMetadata.correctAnswersCount$ | async }}</span></li>
+        <li><span class="summary-stats-leader">
+          Total Questions: </span> <span class="result">{{ quizMetadata.totalQuestions }}</span></li>
+        <li><span class="summary-stats-leader">
+          Total Questions Attempted: </span> <span class="result">{{ quizMetadata.totalQuestionsAttempted }}</span></li>
+        <li><span class="summary-stats-leader">
+          Your Score (percentage): </span> <span class="result">{{ quizMetadata.percentage }}%</span></li>
+        <li><span class="summary-stats-leader">
+          Passing Score: </span> <span class="result">60%</span></li>
+        <li><span class="summary-stats-leader">
+          Test Status: </span> <span class="result">{{ quizMetadata.percentage > 60 ? 'Passed' : 'Failed' }}</span></li>
+        <li><span class="summary-stats-leader">
+          Time Elapsed: </span> <span class="result">{{ elapsedMinutes }} minutes and
+          {{ elapsedSeconds }} seconds</span></li>
+        <li><span class="summary-stats-leader">
+          Date/Time Completed: </span> <span class="result">{{ score.attemptDateTime | date:'medium' }}</span></li>
+      </ul><br />
+
+      <span *ngIf="checkedShuffle" class="quiz-note">
+        <i class="material-icons" matTooltip="quiz note" matTooltipPosition="left">announcement</i>&nbsp;
+        <strong><em>Note:</em></strong>&nbsp;Questions and answers were shuffled prior to the start of the quiz.
+      </span>
+
+      <details>
+        <summary i18n>View High Scores</summary>
+        <h2 class="high-scores-heading">High Scores</h2>
+        <section class="high-scores" aria-labelledby="High Scores">
+          <table>
+            <tr>
+              <th>Milestone</th>
+              <th>Score (%)</th>
+              <th>Date/Time</th>
+            </tr>
+            <tr *ngFor="let highScore of highScores">
+              <td>{{ highScore.quizId }}</td>
+              <td>{{ highScore.score }}</td>
+              <td>{{ highScore.attemptDateTime | date: 'medium' }}</td>
+            </tr>
+          </table>
+        </section>
+      </details>
+    </section>
+  </div>
+</ng-container>
diff --git a/containers/results/summary-report/summary-report.component.scss b/containers/results/summary-report/summary-report.component.scss
new file mode 100644
index 000000000..885af0f30
--- /dev/null
+++ b/containers/results/summary-report/summary-report.component.scss
@@ -0,0 +1,121 @@
+@import "variables";
+
+.summary-report {
+  border: 2px double $black;
+  margin: 0 auto;
+  margin-top: 15px;
+  margin-bottom: 25px;
+  width: 520px;
+  clear: both;
+  padding: 5px;
+
+  h2 {
+    text-align: center;
+    font-weight: $font-weight-max;
+  }
+
+  .summary-icons {
+    float: right;
+
+    a {
+      color: $gray;
+      text-decoration: none;
+    }
+
+    .print {
+      float: right;
+      margin-top: -40px;
+      margin-right: 60px;
+    }
+
+    .email {
+      float: right;
+      margin-top: -40px;
+      margin-right: 35px;
+    }
+
+    .share {
+      float: right;
+      margin-top: -40px;
+      margin-right: 10px;
+    }
+  }
+
+  ul {
+    margin-left: -15px;
+
+    li {
+      list-style-type: none;
+    }
+  }
+
+  .summary-stats-leader {
+    font-size: 16px;
+    font-weight: $font-weight-max;
+    color: $green-angular-leaf;
+  }
+
+  .result {
+    font-family: $font-stack;
+    font-size: 20px;
+  }
+
+  .quiz-note {
+    font-family: $font-stack;
+    font-size: 16px;
+    display: flex;
+    justify-content: center;
+    word-wrap: break-word;
+    margin-left: 10px;
+  }
+
+  details {
+    summary {
+      font-family: $font-stack;
+      text-align: center;
+      font-size: 16px;
+      font-weight: $font-weight-max !important;
+      color: $light-sea-green;
+    }
+
+    .high-scores-heading {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      text-align: center !important;
+    }
+
+    .high-scores {
+      table {
+        display: block;
+        width: 100%;
+        margin-left: 5%;
+        margin-bottom: 15px;
+        border-collapse: collapse;
+        font-family: $font-stack;
+
+        tr {
+          &:nth-child(even) {
+            background-color: $white-smoke;
+          }
+
+          &:hover {
+            background-color: $green;
+          }
+
+          th {
+            text-transform: uppercase;
+            border-bottom: 1px solid $black;
+            background-color: $dark-green;
+            color: $white;
+            text-align: center;
+            font-weight: $font-weight-max;
+          }
+        }
+
+        th, td {
+          padding-right: 20px;
+        }
+      }
+    }
+  }
+}
diff --git a/containers/results/summary-report/summary-report.component.ts b/containers/results/summary-report/summary-report.component.ts
new file mode 100644
index 000000000..8fa41e8db
--- /dev/null
+++ b/containers/results/summary-report/summary-report.component.ts
@@ -0,0 +1,82 @@
+import { ChangeDetectionStrategy, Component, OnInit, OnDestroy } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Observable, Subject } from 'rxjs';
+import { map, takeUntil } from 'rxjs/operators';
+
+import { Quiz, QuizMetadata, Score } from '@codelab-quiz/shared/models/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-results-summary',
+  templateUrl: './summary-report.component.html',
+  styleUrls: ['./summary-report.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class SummaryReportComponent implements OnInit, OnDestroy {
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizId: string;
+  quizMetadata: Partial<QuizMetadata> = {
+    totalQuestions: this.quizService.totalQuestions,
+    totalQuestionsAttempted: this.quizService.totalQuestions,
+    correctAnswersCount$: this.quizService.correctAnswersCountSubject,
+    percentage: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+    completionTime: this.timerService.calculateTotalElapsedTime(this.timerService.elapsedTimes)
+  };
+  elapsedMinutes: number;
+  elapsedSeconds: number;
+  checkedShuffle: boolean;
+
+  score: Score;
+  highScores = JSON.parse(localStorage.getItem("highScores")) || [];
+
+  unsubscribe$ = new Subject<void>();
+  codelabUrl = "https://www.codelab.fun";
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+    this.quizzes$ = this.quizService.getQuizzes();
+    this.quizName$ = this.activatedRoute.url.pipe(map((segments) => segments[1].toString()));
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+    this.checkedShuffle = this.quizService.checkedShuffle;
+    this.calculateElapsedTime();
+    this.saveHighScores();
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  calculatePercentageOfCorrectlyAnsweredQuestions(): number {
+    return Math.ceil(100 * this.quizService.correctAnswersCountSubject.getValue() / this.quizService.totalQuestions);
+  }
+
+  calculateElapsedTime(): void {
+    this.elapsedMinutes = Math.floor(this.quizMetadata.completionTime / 60);
+    this.elapsedSeconds = this.quizMetadata.completionTime % 60;
+  }
+
+  saveHighScores(): void {
+    this.score = {
+      quizId: this.quizService.quizId,
+      attemptDateTime: new Date(),
+      score: this.calculatePercentageOfCorrectlyAnsweredQuestions(),
+      totalQuestions: this.quizService.totalQuestions
+    };
+
+    const MAX_HIGH_SCORES = 10;       // show results of the last 10 quizzes
+    this.highScores.push(this.score);
+    this.highScores.sort((a, b) => b.attemptDateTime - a.attemptDateTime);
+    this.highScores.reverse();        // show high scores from most recent to latest
+    this.highScores.splice(MAX_HIGH_SCORES);
+    localStorage.setItem('highScores', JSON.stringify(this.highScores));
+  }
+}
diff --git a/containers/scoreboard/score/score.component.html b/containers/scoreboard/score/score.component.html
new file mode 100644
index 000000000..702afc762
--- /dev/null
+++ b/containers/scoreboard/score/score.component.html
@@ -0,0 +1,23 @@
+<ng-container class="score">
+  <section class="mat-menu">
+    <mat-toolbar>
+      <button mat-button [matMenuTriggerFor]="scoreMenu" aria-label="score menu">
+        <span class="leader" i18n>Score &#x25BC;</span>
+      </button>
+      <mat-menu #scoreMenu="matMenu" xPosition="before">
+        <button mat-menu-item name="numerical" data-i18n="numerical" (click)="numericalScore()">
+          Numerical
+        </button>
+        <button mat-menu-item name="percentage" data-i18n="percentage" (click)="percentageScore()">
+          Percentage
+        </button>
+      </mat-menu>
+    </mat-toolbar>
+  </section>
+
+  <section class="scoreboard-score">
+		<span class="scoreboard" i18n>
+      {{ score$ | async }}
+    </span>
+  </section>
+</ng-container>
diff --git a/containers/scoreboard/score/score.component.scss b/containers/scoreboard/score/score.component.scss
new file mode 100644
index 000000000..68eadfa60
--- /dev/null
+++ b/containers/scoreboard/score/score.component.scss
@@ -0,0 +1,37 @@
+@import "variables";
+@import "mixins";
+
+.score {
+  float: left;
+  margin-left: 30px;
+
+  .mat-menu {
+    margin-left: -40px;
+
+    .leader, span.scoreboard {
+      margin-left: 40px;
+    }
+  }
+}
+
+.scoreboard-score {
+  margin-top: -10px;
+  margin-left: 5px;
+}
+
+mat-toolbar {
+  background-color: $white;
+
+  &:hover {
+    background-color: $white !important;
+  }
+
+  .leader {
+    margin-left: -35px !important;
+  }
+}
+button {
+  outline: none;
+  text-transform: uppercase;
+  font-family: $font-stack;
+}
diff --git a/containers/scoreboard/score/score.component.ts b/containers/scoreboard/score/score.component.ts
new file mode 100644
index 000000000..c76f4866f
--- /dev/null
+++ b/containers/scoreboard/score/score.component.ts
@@ -0,0 +1,55 @@
+import { Component, OnInit } from '@angular/core';
+import { Observable, of, Subject, Subscription } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+import { QuizService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: "codelab-scoreboard-score",
+  templateUrl: "./score.component.html",
+  styleUrls: ["./score.component.scss"]
+})
+export class ScoreComponent implements OnInit {
+  score: string;
+  score$: Observable<string>;
+  totalQuestions: number;
+  correctAnswersCount$: Observable<number>;
+  correctAnswersCountSubscription: Subscription;
+  correctAnswersCount: number;
+  unsubscribe$ = new Subject<void>();
+
+  constructor(private quizService: QuizService) { }
+
+  ngOnInit(): void {
+    this.correctAnswersCount$ = this.quizService.correctAnswersCountSubject;
+    this.totalQuestions = this.quizService.totalQuestions;
+    this.numericalScore();
+  }
+
+  numericalScore(): void {
+    this.correctAnswersCountSubscription = this.correctAnswersCount$
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((correctAnswersCount) => {
+          this.correctAnswersCount = correctAnswersCount;
+          this.score =
+            this.correctAnswersCount.toString() +
+            "/" +
+            this.totalQuestions.toString();
+          this.score$ = of(this.score);
+        });
+  }
+
+  percentageScore(): void {
+    this.correctAnswersCountSubscription = this.correctAnswersCount$
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((correctAnswersCount) => {
+          this.correctAnswersCount = correctAnswersCount;
+          this.score =
+            Math.ceil(
+              (this.correctAnswersCount / this.totalQuestions) * 100
+            ).toString() + "%";
+          this.score$ = of(this.score);
+      });
+  }
+}
+
diff --git a/containers/scoreboard/scoreboard.component.html b/containers/scoreboard/scoreboard.component.html
new file mode 100644
index 000000000..3953608fd
--- /dev/null
+++ b/containers/scoreboard/scoreboard.component.html
@@ -0,0 +1,5 @@
+<section class="scoreboard">
+  <codelab-scoreboard-score class="scoreboard-score"></codelab-scoreboard-score>
+  <span class="badge" i18n>Question {{ badgeQuestionNumber }} of {{ totalQuestions }}</span>
+  <codelab-scoreboard-timer class="scoreboard-timer"></codelab-scoreboard-timer>
+</section>
diff --git a/containers/scoreboard/scoreboard.component.scss b/containers/scoreboard/scoreboard.component.scss
new file mode 100644
index 000000000..74e8b11b9
--- /dev/null
+++ b/containers/scoreboard/scoreboard.component.scss
@@ -0,0 +1,25 @@
+@import "variables";
+
+.scoreboard {
+  display: flex;
+  justify-content: space-between;
+  clear: both;
+
+  .scoreboard-score {
+    margin-left: 25px;
+  }
+
+  .scoreboard-timer {
+    margin-right: -10px;
+  }
+
+  .badge {
+    font-family: $font-stack;
+    font-size: 26px;
+    font-weight: $font-weight-max;
+    font-style: italic;
+    color: $dark-green;
+    margin: 30px 0 0 -20px;
+    padding: -10px 0;
+  }
+}
diff --git a/containers/scoreboard/scoreboard.component.ts b/containers/scoreboard/scoreboard.component.ts
new file mode 100644
index 000000000..c7bda6e42
--- /dev/null
+++ b/containers/scoreboard/scoreboard.component.ts
@@ -0,0 +1,81 @@
+import { Component, Input, OnInit, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
+import { Subject } from 'rxjs';
+import { takeUntil } from 'rxjs/operators';
+
+<<<<<<< HEAD
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/*';
+=======
+import { QuizService } from '@codelab-quiz/shared/services/quiz.service';
+import { TimerService } from '@codelab-quiz/shared/services/timer.service';
+
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+@Component({
+  selector: 'codelab-scoreboard',
+  templateUrl: './scoreboard.component.html',
+  styleUrls: ['./scoreboard.component.scss']
+})
+export class ScoreboardComponent implements OnInit, OnChanges, OnDestroy {
+<<<<<<< HEAD
+  @Input() selectedAnswer: number;
+  answer: number;
+  totalQuestions: number;
+  badgeQuestionNumber: number;
+  unsubscribe$ = new Subject<void>();
+=======
+  @Input() set selectedAnswer(value) { this.answer = value; }
+  answer;
+  totalQuestions: number;
+  badgeQuestionNumber: number;
+  private unsubscribe$ = new Subject<void>();
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+  constructor(
+    private quizService: QuizService,
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute
+  ) { }
+
+  ngOnInit(): void {
+<<<<<<< HEAD
+    this.selectedAnswer = this.answer;
+    this.totalQuestions = this.quizService.totalQuestions;
+
+=======
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    this.activatedRoute.params
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => {
+          if (params.questionIndex) {
+            this.badgeQuestionNumber = params.questionIndex;
+            this.timerService.resetTimer();
+          }
+    });
+<<<<<<< HEAD
+=======
+
+    this.totalQuestions = this.quizService.totalQuestions;
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+
+  ngOnChanges(changes: SimpleChanges) {
+    if (changes.selectedAnswer &&
+        changes.selectedAnswer.currentValue !== changes.selectedAnswer.firstChange) {
+      this.answer = changes.selectedAnswer.currentValue;
+    }
+  }
+<<<<<<< HEAD
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+=======
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+}
diff --git a/containers/scoreboard/timer/timer.component.html b/containers/scoreboard/timer/timer.component.html
new file mode 100644
index 000000000..b1d7a5525
--- /dev/null
+++ b/containers/scoreboard/timer/timer.component.html
@@ -0,0 +1,23 @@
+<ng-container class="timer">
+  <section class="mat-menu">
+    <mat-toolbar>
+      <button mat-button [matMenuTriggerFor]="timerMenu" aria-label="Timer Menu">
+        <span class="leader" i18n>Timer &#x25BC;</span>
+      </button>
+      <mat-menu #timerMenu="matMenu" xPosition="before">
+        <button mat-menu-item name="countdown" data-i18n="countdown" (click)="countdown()">
+          Countdown
+        </button>
+        <button mat-menu-item name="stopwatch" data-i18n="stopwatch" (click)="stopwatch()">
+          Stopwatch
+        </button>
+      </mat-menu>
+    </mat-toolbar>
+  </section>
+
+  <section class="scoreboard-timer">
+    <span class="scoreboard" i18n>
+      0:{{ time$ | async | number: '2.0-0' }}
+    </span>
+  </section>
+</ng-container>
diff --git a/containers/scoreboard/timer/timer.component.scss b/containers/scoreboard/timer/timer.component.scss
new file mode 100644
index 000000000..36f8a57eb
--- /dev/null
+++ b/containers/scoreboard/timer/timer.component.scss
@@ -0,0 +1,38 @@
+@import "variables";
+@import "mixins";
+
+.timer {
+  float: right;
+  width: 150px;
+
+  .mat-menu {
+    margin-left: -60px;
+
+    .leader, span.scoreboard {
+      margin-left: -40px;
+    }
+  }
+}
+
+.scoreboard-timer {
+  margin-top: -10px;
+  margin-left: -10px;
+}
+
+mat-toolbar {
+  background-color: $white;
+
+  &:hover {
+    background-color: $white !important;
+  }
+
+  .leader {
+    margin-left: -40px !important;
+  }
+}
+button {
+  outline: none;
+  text-transform: uppercase;
+  font-family: $font-stack;
+}
+
diff --git a/containers/scoreboard/timer/timer.component.ts b/containers/scoreboard/timer/timer.component.ts
new file mode 100644
index 000000000..f443f4848
--- /dev/null
+++ b/containers/scoreboard/timer/timer.component.ts
@@ -0,0 +1,85 @@
+import { Component, Input, OnChanges, SimpleChanges } from '@angular/core';
+import { concat, Observable, timer } from 'rxjs';
+import { first, repeatWhen, scan, skip, switchMapTo, take, takeUntil, tap } from 'rxjs/operators';
+
+import { TimerService } from '@codelab-quiz/shared/services/*';
+
+@Component({
+  selector: 'codelab-scoreboard-timer',
+  templateUrl: './timer.component.html',
+  styleUrls: ['./timer.component.scss']
+})
+export class TimerComponent implements OnChanges {
+  @Input() selectedAnswer: number;
+  answer: number;
+  timePerQuestion = 30;
+  time$: Observable<number>;
+  start$: Observable<number>;
+  reset$: Observable<number>;
+  stop$: Observable<number>;
+
+  constructor(private timerService: TimerService) {
+    this.selectedAnswer = this.answer;
+    this.countdown();
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (
+      changes.selectedAnswer &&
+      changes.selectedAnswer.currentValue !== changes.selectedAnswer.firstChange
+    ) {
+      this.answer = changes.selectedAnswer.currentValue;
+    }
+  }
+
+  countdown(): void {
+    this.start$ = this.timerService.start$;
+    this.reset$ = this.timerService.reset$;
+    this.stop$ = this.timerService.stop$;
+
+    this.time$ = concat(this.start$.pipe(first()), this.reset$).pipe(
+      switchMapTo(
+        timer(0, 1000).pipe(
+          scan((acc) => acc > 0 ? (acc - 1 >= 10 ? acc - 1 : `0${acc - 1}`)
+                                                 : acc, this.timePerQuestion)
+        )
+      ),
+      takeUntil(this.stop$.pipe(skip(1))),
+      repeatWhen(completeSubj =>
+        completeSubj.pipe(
+          switchMapTo(
+            this.start$.pipe(
+              skip(1),
+              first()
+            )
+          )
+        )
+      )
+    ).pipe(tap((value: number) => this.timerService.setElapsed(this.timePerQuestion - value)));
+  }
+
+  stopwatch(): void {
+    this.start$ = this.timerService.start$;
+    this.reset$ = this.timerService.reset$;
+    this.stop$ = this.timerService.stop$;
+
+    this.time$ = concat(this.start$.pipe(first()), this.reset$).pipe(
+      switchMapTo(
+        timer(0, 1000)
+          .pipe(scan(acc => acc + 1, 0),
+                take(this.timePerQuestion))),
+      takeUntil(this.stop$.pipe(skip(1))),
+      repeatWhen(completeSubj =>
+        completeSubj.pipe(
+          switchMapTo(
+            this.start$.pipe(
+              skip(1),
+              first()
+            )
+          )
+        )
+      )
+    )
+    .pipe(tap((value) => this.timerService.setElapsed(value)));
+  }
+}
diff --git a/e2e/protractor.conf.js b/e2e/protractor.conf.js
new file mode 100644
index 000000000..7c798cfff
--- /dev/null
+++ b/e2e/protractor.conf.js
@@ -0,0 +1,32 @@
+// @ts-check
+// Protractor configuration file, see link for more information
+// https://github.com/angular/protractor/blob/master/lib/config.ts
+
+const { SpecReporter } = require('jasmine-spec-reporter');
+
+/**
+ * @type { import("protractor").Config }
+ */
+exports.config = {
+  allScriptsTimeout: 11000,
+  specs: [
+    './src/**/*.e2e-spec.ts'
+  ],
+  capabilities: {
+    browserName: 'chrome'
+  },
+  directConnect: true,
+  baseUrl: 'http://localhost:4200/',
+  framework: 'jasmine',
+  jasmineNodeOpts: {
+    showColors: true,
+    defaultTimeoutInterval: 30000,
+    print: function() {}
+  },
+  onPrepare() {
+    require('ts-node').register({
+      project: require('path').join(__dirname, './tsconfig.json')
+    });
+    jasmine.getEnv().addReporter(new SpecReporter({ spec: { displayStacktrace: true } }));
+  }
+};
\ No newline at end of file
diff --git a/e2e/src/app.e2e-spec.ts b/e2e/src/app.e2e-spec.ts
new file mode 100644
index 000000000..93ee31ce3
--- /dev/null
+++ b/e2e/src/app.e2e-spec.ts
@@ -0,0 +1,23 @@
+import { AppPage } from './app.po';
+import { browser, logging } from 'protractor';
+
+describe('workspace-project App', () => {
+  let page: AppPage;
+
+  beforeEach(() => {
+    page = new AppPage();
+  });
+
+  it('should display welcome message', () => {
+    page.navigateTo();
+    expect(page.getTitleText()).toEqual('quiz app is running!');
+  });
+
+  afterEach(async () => {
+    // Assert that there are no errors emitted from the browser
+    const logs = await browser.manage().logs().get(logging.Type.BROWSER);
+    expect(logs).not.toContain(jasmine.objectContaining({
+      level: logging.Level.SEVERE,
+    } as logging.Entry));
+  });
+});
diff --git a/e2e/src/app.po.ts b/e2e/src/app.po.ts
new file mode 100644
index 000000000..b68475e0f
--- /dev/null
+++ b/e2e/src/app.po.ts
@@ -0,0 +1,11 @@
+import { browser, by, element } from 'protractor';
+
+export class AppPage {
+  navigateTo(): Promise<unknown> {
+    return browser.get(browser.baseUrl) as Promise<unknown>;
+  }
+
+  getTitleText(): Promise<string> {
+    return element(by.css('app-root .content span')).getText() as Promise<string>;
+  }
+}
diff --git a/e2e/tsconfig.json b/e2e/tsconfig.json
new file mode 100644
index 000000000..39b800f78
--- /dev/null
+++ b/e2e/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "extends": "../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "../out-tsc/e2e",
+    "module": "commonjs",
+    "target": "es5",
+    "types": [
+      "jasmine",
+      "jasminewd2",
+      "node"
+    ]
+  }
+}
diff --git a/index.html b/index.html
new file mode 100644
index 000000000..9a9cbab08
--- /dev/null
+++ b/index.html
@@ -0,0 +1,22 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <title>Angular Codelab Quiz App</title>
+    <base href="/" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" type="image/x-icon" href="favicon.ico" />
+    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons" />
+  </head>
+  <body>
+    <codelab-root>
+      <div class="preload">
+        <div></div>
+        <div></div>
+        <div></div>
+        <div></div>
+      </div>
+    </codelab-root>
+    <noscript>Please enable JavaScript to continue using this application.</noscript>
+  </body>
+</html>
diff --git a/karma.conf.js b/karma.conf.js
new file mode 100644
index 000000000..43cc85420
--- /dev/null
+++ b/karma.conf.js
@@ -0,0 +1,32 @@
+// Karma configuration file, see link for more information
+// https://karma-runner.github.io/1.0/config/configuration-file.html
+
+module.exports = function (config) {
+  config.set({
+    basePath: '',
+    frameworks: ['jasmine', '@angular-devkit/build-angular'],
+    plugins: [
+      require('karma-jasmine'),
+      require('karma-chrome-launcher'),
+      require('karma-jasmine-html-reporter'),
+      require('karma-coverage-istanbul-reporter'),
+      require('@angular-devkit/build-angular/plugins/karma')
+    ],
+    client: {
+      clearContext: false // leave Jasmine Spec Runner output visible in browser
+    },
+    coverageIstanbulReporter: {
+      dir: require('path').join(__dirname, './coverage/quiz'),
+      reports: ['html', 'lcovonly', 'text-summary'],
+      fixWebpackSourcePaths: true
+    },
+    reporters: ['progress', 'kjhtml'],
+    port: 9876,
+    colors: true,
+    logLevel: config.LOG_INFO,
+    autoWatch: true,
+    browsers: ['Chrome'],
+    singleRun: false,
+    restartOnFileChange: true
+  });
+};
diff --git a/package-lock.json b/package-lock.json
index f9f654468..277592070 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,35 +1,24 @@
 {
-  "name": "codelab",
-  "version": "0.0.1",
+  "name": "quiz",
+  "version": "0.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
-    "@angular-builders/custom-webpack": {
-      "version": "9.0.0",
-      "resolved": "https://registry.npmjs.org/@angular-builders/custom-webpack/-/custom-webpack-9.0.0.tgz",
-      "integrity": "sha512-L69pCiYGG3NGX0yLi5P88Nw8Nm9jg8RiurwrAzcf9WBKIloHJtFDZJdznrncL+baB++mAcpahIZGz9WGOH9ByQ==",
-      "requires": {
-        "@angular-devkit/architect": "^0.900.0",
-        "@angular-devkit/build-angular": "^0.900.0",
-        "@angular-devkit/core": "^9.0.0",
-        "lodash": "^4.17.10",
-        "ts-node": "^8.5.2",
-        "webpack-merge": "^4.2.1"
-      }
-    },
     "@angular-devkit/architect": {
-      "version": "0.900.4",
-      "resolved": "https://registry.npmjs.org/@angular-devkit/architect/-/architect-0.900.4.tgz",
-      "integrity": "sha512-qbD7q+5lKgxpA+hGPfBLQRZukNO1Ok4YePevi7xt6pdfNatIqjxqYch7w/Ce0GvrOeimzSR1yC7STV5gjdoL3A==",
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       "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
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-            "string_decoder": "^1.1.1",
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+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
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+      "version": "0.10.3",
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 }
diff --git a/package.json b/package.json
index 8b45db0b1..e167f8a7e 100644
--- a/package.json
+++ b/package.json
@@ -1,164 +1,46 @@
 {
-  "name": "codelab",
-  "version": "0.0.1",
-  "license": "MIT",
+  "name": "quiz",
+  "version": "0.0.0",
   "scripts": {
-    "ng": "node --max_old_space_size=16000 ./node_modules/@angular/cli/bin/ng",
-    "//--------------- CODELAB ---------------------": "",
+    "ng": "ng",
     "start": "ng serve",
     "build": "ng build",
-    "build:prod": "ng build --prod",
-    "build:bundler": "ts-node -P libs/code-demos/assets/runner/tsconfig.json libs/code-demos/assets/runner/ng-dts/bundler.ts && node libs/code-demos/assets/runner/ng2/ng2-runner.js",
-    "build:intro": "ts-node -P libs/intro/generate/tsconfig.json libs/intro/generate/generate-thumbnails.ts",
-    "build:intro:verbose": "NODE_DEBUG=cluster,net,http,fs,tls,module,timers ts-node -P libs/intro/generate/tsconfig.json libs/intro/generate/generate-thumbnails.ts",
     "test": "ng test",
     "lint": "ng lint",
-    "i18n": "ng xi18n codelab --i18n-format xmb --output-path src/locale",
-    "build:ru": "ng build codelab --configuration ru",
-    "deploy:next": "npm run build:prod && npm run build:ru && npm run build:30s && firebase deploy --only hosting:codelab-next",
-    "serve:ru": "npm run ng -- serve --configuration ru",
-    "pre-deploy": "npm run build:prod && npm run build:ru && npm run build:30s",
-    "deploy": "npm run pre-deploy && firebase deploy --only hosting:codelab",
-    "cypress": "cypress",
-    "cypress:approve": "npm run cypress run -- --env updateSnapshots=true",
-    "cypress:open": "cypress open",
-    "cypress:reporter": "npm run cypress run --reporter cypress-image-snapshot/reporter",
-    "//--------------- KIRJS   ---------------------": "",
-    "deploy:kirjs": "ng build kirjs --prod && firebase deploy  --only hosting:kirjs",
-    "deploy:kirjs:ru": "ng build kirjs --configuration ru --prod && firebase deploy  --only hosting:kirjs",
-    "serve:kirjs:ru": "ng serve kirjs --configuration ru",
-    "build:kirjs:ru": "ng build kirjs --configuration ru",
-    "build:kirjs": "ng build kirjs  --prod",
-    "xi18n:kirjs": "ng xi18n kirjs --i18n-format xmb --output-path src/locale",
-    "//--------------- Playground   ---------------------": "",
-    "deploy:playground": "ng build playground --prod && firebase deploy --only hosting:angular-ivy",
-    "serve:playground": "ng serve playground",
-    "build:playground": "ng build playground  --prod",
-    "//--------------- LIS   ---------------------": "",
-    "deploy:lis": "ng build lis --prod && firebase deploy --only hosting:lis",
-    "serve:lis": "ng serve lis",
-    "build:lis": "ng build lis  --prod",
-    "//--------------- 30s OF ANGULAR   -------------------": "",
-    "build:30s": "npm run ng build angular-thirty-seconds --prod",
-    "serve:30s": "ng serve angular-thirty-seconds",
-    "//--------------- NX      ---------------------": "",
-    "affected:apps": "./node_modules/.bin/nx affected:apps",
-    "affected:libs": "./node_modules/.bin/nx affected:libs",
-    "affected:build": "./node_modules/.bin/nx affected:build",
-    "affected:test": "./node_modules/.bin/nx affected:test --watch=false",
-    "affected:lint": "./node_modules/.bin/nx affected:lint",
-    "affected:dep-graph": "./node_modules/.bin/nx affected:dep-graph",
-    "format": "./node_modules/.bin/nx format:write",
-    "format:write": "./node_modules/.bin/nx format:write",
-    "format:check": "./node_modules/.bin/nx format:check",
-    "update": "ng update @nrwl/workspace",
-    "update:check": "ng update",
-    "dep-graph": "./node_modules/.bin/nx dep-graph",
-    "workspace-schematic": "./node_modules/.bin/nx workspace-schematic",
-    "help": "./node_modules/.bin/nx help",
-    "postinstall": "ngcc --properties es2015 browser module main --first-only --create-ivy-entry-points"
+    "e2e": "ng e2e"
   },
-  "husky": {
-    "hooks": {
-      "pre-commit": "npm run format:write && git add ."
-    }
-  },
-  "repository": {
-    "type": "git",
-    "url": "git@github.com:codelab-fun/codelab.git"
-  },
-  "public": true,
+  "private": true,
   "dependencies": {
-    "@angular-builders/custom-webpack": "^9.0.0",
-    "@angular-devkit/schematics": "9.0.4",
-    "@angular/animations": "9.0.4",
-    "@angular/cdk": "9.0.1",
-    "@angular/common": "9.0.4",
-    "@angular/compiler": "9.0.4",
-    "@angular/core": "9.0.4",
-    "@angular/fire": "5.4.2",
-    "@angular/forms": "9.0.4",
-    "@angular/localize": "9.0.4",
-    "@angular/material": "9.0.1",
-    "@angular/platform-browser": "9.0.4",
-    "@angular/platform-browser-dynamic": "9.0.4",
-    "@angular/router": "9.0.4",
-    "@babel/core": "^7.8.4",
-    "@babel/generator": "^7.8.4",
-    "@babel/traverse": "^7.8.4",
-    "binary-loader": "0.0.1",
-    "binary-parser": "^1.3.2",
-    "chai": "^4.2.0",
-    "console": "^0.7.2",
-    "core-js": "2.6.2",
-    "dom-to-image": "^2.6.0",
-    "firebase": "^7.8.2",
-    "flamelink": "^1.0.0-alpha.27",
-    "fullscreen-api-polyfill": "^1.1.2",
-    "glob": "^7.1.6",
-    "gray-matter": "^4.0.2",
-    "husky": "^4.2.3",
-    "immer": "^5.3.6",
-    "mocha": "^7.0.1",
-    "monaco-editor": "^0.20.0",
-    "monaco-editor-webpack-plugin": "^1.8.2",
-    "ngx-markdown": "^8.2.2",
-    "raw-loader": "1.0.0",
-    "rxjs": "^6.5.4",
-    "slugify": "^1.3.6",
-    "wabt": "^1.0.11",
-    "zone.js": "^0.10.2"
+    "@angular/animations": "~9.1.9",
+    "@angular/common": "~9.1.9",
+    "@angular/compiler": "~9.1.9",
+    "@angular/core": "~9.1.9",
+    "@angular/forms": "~9.1.9",
+    "@angular/platform-browser": "~9.1.9",
+    "@angular/platform-browser-dynamic": "~9.1.9",
+    "@angular/router": "~9.1.9",
+    "rxjs": "~6.5.4",
+    "tslib": "^1.10.0",
+    "zone.js": "~0.10.2"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^0.900.4",
-    "@angular-devkit/build-ng-packagr": "0.900.4",
-    "@angular/cli": "9.0.4",
-    "@angular/compiler-cli": "9.0.4",
-    "@angular/language-service": "9.0.4",
-    "@bahmutov/add-typescript-to-cypress": "^2.0.0",
-    "@nrwl/cypress": "9.3.0",
-    "@nrwl/jest": "9.3.0",
-    "@nrwl/workspace": "9.3.0",
-    "@nrwl/angular": "9.3.0",
-    "@types/fs-extra": "^9.0.1",
-    "@types/jasmine": "3.5.3",
-    "@types/jest": "25.1.2",
-    "@types/node": "^13.7.1",
-    "@types/node-fetch": "^2.5.7",
-    "acorn": "^7.1.0",
-    "babel-types": "^6.25.0",
-    "babylon": "^6.17.3",
-    "codelyzer": "^5.2.1",
-    "cypress": "~4.0.1",
-    "cypress-image-snapshot": "^3.0.0",
-    "dotenv": "8.2.0",
-    "eslint": "^6.8.0",
-    "firebase-tools": "^7.13.0",
-    "fs-extra": "^9.0.0",
-    "github-api": "^3.0.0",
-    "gomoku-tools": "^0.1.0",
-    "googleapis": "^51.0.0",
+    "@angular-devkit/build-angular": "~0.901.7",
+    "@angular/cli": "~9.1.7",
+    "@angular/compiler-cli": "~9.1.9",
+    "@types/node": "^12.11.1",
+    "@types/jasmine": "~3.5.0",
+    "@types/jasminewd2": "~2.0.3",
+    "codelyzer": "^5.1.2",
     "jasmine-core": "~3.5.0",
-    "jest": "25.1.0",
-    "jest-preset-angular": "8.0.0",
-    "karma": "^4.4.1",
+    "jasmine-spec-reporter": "~4.2.1",
+    "karma": "~5.0.0",
     "karma-chrome-launcher": "~3.1.0",
-    "karma-cli": "~2.0.0",
-    "karma-coverage-istanbul-reporter": "^2.1.1",
-    "karma-jasmine": "~3.1.1",
-    "karma-jasmine-html-reporter": "^1.5.2",
-    "ng-packagr": "^9.0.0",
-    "node-fetch": "^2.6.0",
-    "prettier": "1.19.1",
-    "protractor": "^5.4.2",
-    "systemjs": "0.20.12",
-    "systemjs-builder": "^0.16.4",
-    "ts-jest": "25.2.0",
-    "ts-node": "^8.6.2",
-    "tsickle": "^0.38.0",
-    "tslib": "^1.10.0",
-    "tslint": "^6.0.0",
-    "typescript": "^3.7.5",
-    "uglify-js": "^3.7.7"
+    "karma-coverage-istanbul-reporter": "~2.1.0",
+    "karma-jasmine": "~3.0.1",
+    "karma-jasmine-html-reporter": "^1.4.2",
+    "protractor": "~7.0.0",
+    "ts-node": "~8.3.0",
+    "tslint": "~6.1.0",
+    "typescript": "~3.8.3"
   }
 }
diff --git a/pipes/index.ts b/pipes/index.ts
new file mode 100644
index 000000000..45913fadd
--- /dev/null
+++ b/pipes/index.ts
@@ -0,0 +1 @@
+export * from './join.pipe';
diff --git a/pipes/join.pipe.ts b/pipes/join.pipe.ts
new file mode 100644
index 000000000..1e08bcf4b
--- /dev/null
+++ b/pipes/join.pipe.ts
@@ -0,0 +1,10 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({
+  name: 'join'
+})
+export class JoinPipe implements PipeTransform {
+  transform(value: any, args?: any): any {
+    return value.join(" and ");
+  }
+}
diff --git a/quiz b/quiz
new file mode 100644
index 000000000..b26434600
--- /dev/null
+++ b/quiz
@@ -0,0 +1,68 @@
+0000000000000000000000000000000000000000 46f5f256c1ed0b1d894c9606b83ce0133a3b1a6f Marvin Rusinek <marvinrusinek@gmail.com> 1598909856 -0400	branch: Created from origin/quiz
+46f5f256c1ed0b1d894c9606b83ce0133a3b1a6f b3a99416b3eab09fd19d5e2c53bf8207e4a18b37 Marvin Rusinek <marvinrusinek@gmail.com> 1599417324 -0400	pull --progress origin: Fast-forward
+b3a99416b3eab09fd19d5e2c53bf8207e4a18b37 df65fc541f01a32b7452ce97df6e60ef5d45dd40 Marvin Rusinek <marvinrusinek@gmail.com> 1599507745 -0400	pull --progress origin: Fast-forward
+df65fc541f01a32b7452ce97df6e60ef5d45dd40 901ebc12a18f92f155822e29fb09855806b528d6 Marvin Rusinek <marvinrusinek@gmail.com> 1599507864 -0400	commit: upload quiz files
+901ebc12a18f92f155822e29fb09855806b528d6 172a774f840efc0b87fa7f52f5619f39f7dbec60 Marvin Rusinek <marvinrusinek@gmail.com> 1599508159 -0400	commit: removed some extra files from root
+172a774f840efc0b87fa7f52f5619f39f7dbec60 2edaebfdf3277dba59307d031e8dff05549d9bc8 Marvin Rusinek <marvinrusinek@gmail.com> 1599508322 -0400	commit: removed apps folder from root
+2edaebfdf3277dba59307d031e8dff05549d9bc8 ef78677ad61993223510609e64e663dc34418cd9 Marvin Rusinek <marvinrusinek@gmail.com> 1601381845 -0400	commit: quiz backup 09-29-20
+ef78677ad61993223510609e64e663dc34418cd9 2edaebfdf3277dba59307d031e8dff05549d9bc8 Marvin Rusinek <marvinrusinek@gmail.com> 1601385159 -0400	reset: moving to 2edaebfdf3277dba59307d031e8dff05549d9bc8
+2edaebfdf3277dba59307d031e8dff05549d9bc8 201c699aa2e6c4cfbe98597fd8874c2a4148de34 Marvin Rusinek <marvinrusinek@gmail.com> 1601385237 -0400	commit: quiz backup 09-29-20
+201c699aa2e6c4cfbe98597fd8874c2a4148de34 1441dbe2e450896dce18df6286ed5e309bdba5dc Marvin Rusinek <marvinrusinek@gmail.com> 1601385278 -0400	pull --progress origin: Merge made by the 'recursive' strategy.
+1441dbe2e450896dce18df6286ed5e309bdba5dc c257f7b6ce6aadf9e3490047f9a3c15201a40a0e Marvin Rusinek <marvinrusinek@gmail.com> 1603033185 -0400	commit: backup of code 10-18-20
+c257f7b6ce6aadf9e3490047f9a3c15201a40a0e c203499fdad147872ab67ff45f7e3a50ff6c1f24 Marvin Rusinek <marvinrusinek@gmail.com> 1603485957 -0400	commit: quiz app backup 10-23-20
+c203499fdad147872ab67ff45f7e3a50ff6c1f24 20d59a2a8e87be7394d22cfad50e35f5c1b0187f Marvin Rusinek <marvinrusinek@gmail.com> 1603485963 -0400	pull --progress origin: Merge made by the 'recursive' strategy.
+20d59a2a8e87be7394d22cfad50e35f5c1b0187f dc60ebe14fd91b4c1dfb9763edd7505f333dff07 Marvin Rusinek <marvinrusinek@gmail.com> 1604092643 -0400	commit: got class working in question templates
+dc60ebe14fd91b4c1dfb9763edd7505f333dff07 3348166ec03111ae17167b435e7d7d1f6054a0fc Marvin Rusinek <marvinrusinek@gmail.com> 1604092650 -0400	pull --progress origin: Merge made by the 'recursive' strategy.
+3348166ec03111ae17167b435e7d7d1f6054a0fc 3910127c12a6794f1b38fb4bcff5c6c786de023e Marvin Rusinek <marvinrusinek@gmail.com> 1604152357 -0400	commit: simplify code inside setSelected
+3910127c12a6794f1b38fb4bcff5c6c786de023e abc0803ebfa39b953cc70c52b72c4e48512b8b18 Marvin Rusinek <marvinrusinek@gmail.com> 1604270035 -0500	commit: got restarting/resetting working
+abc0803ebfa39b953cc70c52b72c4e48512b8b18 696b475cf78d2798081e67b1846f7077e84d3754 Marvin Rusinek <marvinrusinek@gmail.com> 1604272928 -0500	commit: Update multiple-answer.component.html
+696b475cf78d2798081e67b1846f7077e84d3754 bc1dfda666472674ecf64e77580a2580f9c56c27 Marvin Rusinek <marvinrusinek@gmail.com> 1604273011 -0500	commit: made option field entirely clickable
+bc1dfda666472674ecf64e77580a2580f9c56c27 36c19fa0fa90ecfae7f2e8026abbf6a26c0625f4 Marvin Rusinek <marvinrusinek@gmail.com> 1604328418 -0500	commit: removed time component
+36c19fa0fa90ecfae7f2e8026abbf6a26c0625f4 9099694595fd9fe23d6848d4cc08a074d643d27d Marvin Rusinek <marvinrusinek@gmail.com> 1604328491 -0500	commit: backup of quiz 11-2-20
+9099694595fd9fe23d6848d4cc08a074d643d27d e4ac2a32fe964d5dc29609e13e1863fc2c02d694 Marvin Rusinek <marvinrusinek@gmail.com> 1604329156 -0500	commit: removed QUIZ_DATA imports
+e4ac2a32fe964d5dc29609e13e1863fc2c02d694 4908f9f70eb2748b6ecf5905371c3d95618b4b68 Marvin Rusinek <marvinrusinek@gmail.com> 1604330431 -0500	commit: removed previousAnswers remnants, formatted code
+4908f9f70eb2748b6ecf5905371c3d95618b4b68 060bb2c2010a74fe3676f92ea5fec8bb7a30ebdf Marvin Rusinek <marvinrusinek@gmail.com> 1604435747 -0500	commit: added localstorage and highScores
+060bb2c2010a74fe3676f92ea5fec8bb7a30ebdf 2bba853105277f54183a4fff2186e6e26d16bac7 Marvin Rusinek <marvinrusinek@gmail.com> 1604881782 -0500	commit: simplified question templates HTML and CSS
+2bba853105277f54183a4fff2186e6e26d16bac7 ee8b48af590b731ad91a89e733647ed6df814889 Marvin Rusinek <marvinrusinek@gmail.com> 1605032529 -0500	commit: simplify logic some more in question templates
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+abeb77e99012e2da31b87482c46d4dc2fdbd6323 3dda95a098d51a697fd9455a7685ea23fa6558f7 Marvin Rusinek <marvinrusinek@gmail.com> 1605034411 -0500	commit: some more minor changes to the templates
+3dda95a098d51a697fd9455a7685ea23fa6558f7 38cb105679ddd839964165cb822b115ced0c3060 Marvin Rusinek <marvinrusinek@gmail.com> 1605038226 -0500	commit: remove message class from question templates and update css
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+4f5e5a9da924e6b08a21e0f715e22b5e0d3ffa9e 714831bb5aaca1eb9aae1c801685c070a06aa3c5 Marvin Rusinek <marvinrusinek@gmail.com> 1605109289 -0500	commit: fix setExplanationTextAndCorrectMessages function
+714831bb5aaca1eb9aae1c801685c070a06aa3c5 a546de4bf6150a90dde5283bf8e0620345201f14 Marvin Rusinek <marvinrusinek@gmail.com> 1605110468 -0500	commit: add setExplanationText function
+a546de4bf6150a90dde5283bf8e0620345201f14 0ae67b9f4d695a6fe28c5cc38b190a6ff4cf57ec Marvin Rusinek <marvinrusinek@gmail.com> 1605111480 -0500	commit: made some changes to the span css in question template
+0ae67b9f4d695a6fe28c5cc38b190a6ff4cf57ec d9069d9090dcafd8b5a401ce3e6406e9c43174c2 Marvin Rusinek <marvinrusinek@gmail.com> 1605112956 -0500	commit: made changes to messages class css
+d9069d9090dcafd8b5a401ce3e6406e9c43174c2 7a9239665782bb2eede0f20b1020d7f71d9d89fc Marvin Rusinek <marvinrusinek@gmail.com> 1605113171 -0500	commit: changed spans to divs in quiz component template
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+b20355e8802b6edc5ec9f1ba437e7d952b178c62 95139527253ab0f047a6baab22375cf69f75ca0e Marvin Rusinek <marvinrusinek@gmail.com> 1605139368 -0500	commit: some small changes to scoreboard, QuizComponent and QuizService
+95139527253ab0f047a6baab22375cf69f75ca0e e5dd4cc0fb1e46f3ecc11ed9984b745700102635 Marvin Rusinek <marvinrusinek@gmail.com> 1605139976 -0500	commit: add types to arguments in QuizComponent
+e5dd4cc0fb1e46f3ecc11ed9984b745700102635 0f20cea8d77adc75986946cb778cd63dfd981ca3 Marvin Rusinek <marvinrusinek@gmail.com> 1605140382 -0500	commit: add initializeQuizVariables function
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+5c2139793571e5e4b8f9be9caf520e3c466ab215 98cddeb20ea51e5ac55c191bd0c4aba2e1fe363d Marvin Rusinek <marvinrusinek@gmail.com> 1605286829 -0500	commit: some more small changes
+98cddeb20ea51e5ac55c191bd0c4aba2e1fe363d 3cb21837f254a1bd6652e712bfb0aeac4ffd27cd Marvin Rusinek <marvinrusinek@gmail.com> 1605367492 -0500	commit: add httpClient to QuizSelectionComponent and some other minor changes
+3cb21837f254a1bd6652e712bfb0aeac4ffd27cd 2e445c49b8066b5d3a124f8d9d9d97ad95ac7335 Marvin Rusinek <marvinrusinek@gmail.com> 1605368324 -0500	commit: fix position of mat-card and paging
+2e445c49b8066b5d3a124f8d9d9d97ad95ac7335 7a7b50468ce7e1911b91a306e4a8f83c83545862 Marvin Rusinek <marvinrusinek@gmail.com> 1605380753 -0500	commit: removed this.quizData if this.quizzes$ is available
+7a7b50468ce7e1911b91a306e4a8f83c83545862 708073d8aff1bbb6f279596f386994425be72fdf Marvin Rusinek <marvinrusinek@gmail.com> 1605380757 -0500	pull --progress origin: Merge made by the 'recursive' strategy.
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+e43d18a54da7a5a270c8c671f7875f394d7506a7 7bd3037784ed3abc63cbd237e0927cbb3a4b57b4 Marvin Rusinek <marvinrusinek@gmail.com> 1605397707 -0500	commit: use parentheses in arrow functions to show types
+7bd3037784ed3abc63cbd237e0927cbb3a4b57b4 68c6c162708a7a7905f2d38c1b57cea56f02ea4d Marvin Rusinek <marvinrusinek@gmail.com> 1605455331 -0500	commit: Update scoreboard.component.scss
+68c6c162708a7a7905f2d38c1b57cea56f02ea4d 5fa315e1d17a690c10f97d2448dfd2a9244bbdef Marvin Rusinek <marvinrusinek@gmail.com> 1605455380 -0500	commit: fix paths in TS files
+5fa315e1d17a690c10f97d2448dfd2a9244bbdef a36e6b9e10cfc76f9c42d621465300e67dfa4747 Marvin Rusinek <marvinrusinek@gmail.com> 1605457351 -0500	commit: sort by dates for localstorage
+a36e6b9e10cfc76f9c42d621465300e67dfa4747 f0ed927a58bdce97f634747b9c03d765e225b432 Marvin Rusinek <marvinrusinek@gmail.com> 1605462334 -0500	commit: simplify the code for sounds
+f0ed927a58bdce97f634747b9c03d765e225b432 a485785750c8a5c8cd055e07251cbd8cf73d4580 Marvin Rusinek <marvinrusinek@gmail.com> 1605470521 -0500	commit: made some changes to the CSS
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+e7e624de3319cd8ca9c6697be74075116a790b1c e5c762b01ac64fde002799815f4da48ce358b151 Marvin Rusinek <marvinrusinek@gmail.com> 1605475089 -0500	commit: removed class binding from mat-card; some more HTML/CSS changes
+e5c762b01ac64fde002799815f4da48ce358b151 f1296569b4f261899c1e67382a06a6b2851cf531 Marvin Rusinek <marvinrusinek@gmail.com> 1605475414 -0500	commit: change section to ng-container
+f1296569b4f261899c1e67382a06a6b2851cf531 50b3fab22e7c9b676188b4d92efd8affb68923da Marvin Rusinek <marvinrusinek@gmail.com> 1605475535 -0500	commit: changed back to section
+50b3fab22e7c9b676188b4d92efd8affb68923da 157a0261ef0f22d0b6903519a6f070bff2cd4d25 Marvin Rusinek <marvinrusinek@gmail.com> 1605541249 -0500	commit: some minor adjustments
+157a0261ef0f22d0b6903519a6f070bff2cd4d25 15cb4d3455ddfd59d70d880a7512c703dc6750b7 Marvin Rusinek <marvinrusinek@gmail.com> 1605542874 -0500	commit: remove this.multipleAnswer from question components
+15cb4d3455ddfd59d70d880a7512c703dc6750b7 1117b48d34e29dc2abb934b93215866264119c74 Marvin Rusinek <marvinrusinek@gmail.com> 1605543082 -0500	commit: simplify sendMultipleAnswer function
+1117b48d34e29dc2abb934b93215866264119c74 10ca43da75baba353148d5e6414e2567b39f4254 Marvin Rusinek <marvinrusinek@gmail.com> 1605546672 -0500	commit: removed correctMessage in QuizQuestionComponent
+10ca43da75baba353148d5e6414e2567b39f4254 19f0ab18225ecfe1c8cc9a7fcda6d993f4b3a2de Marvin Rusinek <marvinrusinek@gmail.com> 1605549166 -0500	commit: added some more types, fix quotes, simplify sending functions
+19f0ab18225ecfe1c8cc9a7fcda6d993f4b3a2de 4c0c4448fd8925ed1508af83f00da6383f9a5d57 Marvin Rusinek <marvinrusinek@gmail.com> 1605550974 -0500	commit: changed single quotes to double quotes for strings
+035150f6244b14c2b94304c0793372e3f9d745f6 a869d947ff96660622b6e532c35b8191f3d1e09e Marvin Rusinek <marvinrusinek@gmail.com> 1605573236 -0500	pull: Fast-forward
diff --git a/quiz-app.component.html b/quiz-app.component.html
new file mode 100644
index 000000000..0680b43f9
--- /dev/null
+++ b/quiz-app.component.html
@@ -0,0 +1 @@
+<router-outlet></router-outlet>
diff --git a/quiz-app.component.scss b/quiz-app.component.scss
new file mode 100644
index 000000000..e69de29bb
diff --git a/quiz-app.component.ts b/quiz-app.component.ts
new file mode 100644
index 000000000..a5a89e91d
--- /dev/null
+++ b/quiz-app.component.ts
@@ -0,0 +1,11 @@
+import { ChangeDetectionStrategy, Component } from '@angular/core';
+
+@Component({
+  selector: 'codelab-root',
+  templateUrl: './quiz-app.component.html',
+  styleUrls: ['./quiz-app.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush
+})
+export class QuizAppComponent {
+}
+
diff --git a/quiz-app.module.ts b/quiz-app.module.ts
new file mode 100644
index 000000000..d65f6e1b6
--- /dev/null
+++ b/quiz-app.module.ts
@@ -0,0 +1,77 @@
+import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
+import { BrowserModule } from '@angular/platform-browser';
+import { CommonModule } from '@angular/common';
+import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
+import { QuizRoutingModule } from './routing/quiz-routing.module';
+import { ReactiveFormsModule } from '@angular/forms';
+import { MatButtonModule } from '@angular/material/button';
+import { MatCardModule } from '@angular/material/card';
+import { MatCheckboxModule } from '@angular/material/checkbox';
+import { MatExpansionModule } from '@angular/material/expansion';
+import { MatGridListModule } from '@angular/material/grid-list';
+import { MatIconModule } from '@angular/material/icon';
+import { MatListModule } from '@angular/material/list';
+import { MatMenuModule } from '@angular/material/menu';
+import { MatRadioModule } from '@angular/material/radio';
+import { MatToolbarModule } from '@angular/material/toolbar';
+import { MatTooltipModule } from '@angular/material/tooltip';
+import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
+import { NgBackToTopModule } from 'ng-back-to-top';
+
+import { QuizAppComponent } from './quiz-app.component';
+import { QuizQuestionComponent, SingleAnswerComponent, MultipleAnswerComponent } from '@codelab-quiz/components/';
+import { IntroductionComponent } from '@codelab-quiz/containers/introduction';
+import { QuizComponent } from '@codelab-quiz/containers/quiz';
+import { QuizSelectionComponent } from '@codelab-quiz/containers/quiz-selection';
+import { AccordionComponent, ChallengeComponent, ResultsComponent,
+         ReturnComponent, StatisticsComponent, SummaryReportComponent } from '@codelab-quiz/containers/results';
+import { ScoreboardComponent, ScoreComponent, TimerComponent } from '@codelab-quiz/containers/scoreboard/';
+import { QuizService, TimerService } from '@codelab-quiz/shared/services/';
+import { JoinPipe } from '@codelab-quiz/pipes/join.pipe';
+
+
+@NgModule({
+  declarations: [
+    QuizAppComponent,
+    IntroductionComponent,
+    QuizComponent,
+    QuizQuestionComponent,
+    QuizSelectionComponent,
+    AccordionComponent,
+    ChallengeComponent,
+    ResultsComponent,
+    ReturnComponent,
+    StatisticsComponent,
+    SummaryReportComponent,
+    ScoreboardComponent,
+    ScoreComponent,
+    TimerComponent,
+    SingleAnswerComponent,
+    MultipleAnswerComponent,
+    JoinPipe
+  ],
+  imports: [
+    BrowserModule,
+    CommonModule,
+    BrowserAnimationsModule,
+    QuizRoutingModule,
+    ReactiveFormsModule,
+    MatButtonModule,
+    MatCardModule,
+    MatCheckboxModule,
+    MatExpansionModule,
+    MatGridListModule,
+    MatIconModule,
+    MatListModule,
+    MatMenuModule,
+    MatRadioModule,
+    MatToolbarModule,
+    MatTooltipModule,
+    NgbModule,
+    NgBackToTopModule
+  ],
+  bootstrap: [QuizAppComponent],
+  providers: [QuizService, TimerService],
+  schemas: [CUSTOM_ELEMENTS_SCHEMA]
+})
+export class QuizAppModule { }
diff --git a/quiz.json b/quiz.json
new file mode 100644
index 000000000..3ab6a459a
--- /dev/null
+++ b/quiz.json
@@ -0,0 +1,1506 @@
+{ "quizzes": [
+  {
+  "quizId": "typescript",
+  "milestone": "TypeScript",
+  "summary": "TypeScript makes it easier to read and debug JavaScript code.",
+  "image": "ts.png",
+  "questions": [
+    {
+      "questionText": "Which of the following does TypeScript use to specify types?",
+      "options": [
+        {
+          "text": ":",
+          "correct": true
+        },
+        {
+          "text": ";"
+        },
+        {
+          "text": "!"
+        },
+        {
+          "text": "&"
+        }
+      ],
+      "explanation": "TS uses a colon (:) to separate the property name from the property type"
+    },
+    {
+      "questionText": "Which of the following is NOT a type used in TypeScript?",
+      "options": [
+        {
+          "text": "number"
+        },
+        {
+          "text": "string"
+        },
+        {
+          "text": "boolean"
+        },
+        {
+          "text": "enum",
+          "correct": true
+        }
+      ],
+      "explanation": "enum is not used as a type in TypeScript"
+    },
+    {
+      "questionText": "How can we specify properties and methods for an object in TypeScript?",
+      "options": [
+        {
+          "text": "Use classes."
+        },
+        {
+          "text": "Use interfaces.",
+          "correct": true
+        },
+        {
+          "text": "Use enums."
+        },
+        {
+          "text": "Use async/await."
+        }
+      ],
+      "explanation": "interfaces are typically used to list the properties and methods for an object"
+    },
+    {
+      "questionText": "How else can Array<number> be written in TypeScript?",
+      "options": [
+        {
+          "text": "@number"
+        },
+        {
+          "text": "number[]",
+          "correct": true
+        },
+        {
+          "text": "number!"
+        },
+        {
+          "text": "number?"
+        }
+      ],
+      "explanation": "number[] is another way of writing Array<number> in TypeScript"
+    },
+    {
+      "questionText": "In which of these does a class take parameters?",
+      "options": [
+        {
+          "text": "constructor",
+          "correct": true
+        },
+        {
+          "text": "destructor"
+        },
+        {
+          "text": "import"
+        },
+        {
+          "text": "subscribe"
+        }
+      ],
+      "explanation": "a constructor is used by a class to take in parameters"
+    },
+    {
+      "questionText": "Which is NOT an access modifier?",
+      "options": [
+        {
+          "text": "private"
+        },
+        {
+          "text": "protected"
+        },
+        {
+          "text": "public"
+        },
+        {
+          "text": "async",
+          "correct": true
+        }
+      ],
+      "explanation": "async is not used as an access modifier type in TypeScript"
+    },
+    {
+      "questionText": "Which keyword allows us to share information between files in TypeScript?",
+      "options": [
+        {
+          "text": "import"
+        },
+        {
+          "text": "export",
+          "correct": true
+        },
+        {
+          "text": "async"
+        },
+        {
+          "text": "constructor"
+        }
+      ],
+      "explanation": "the export keyword allows for the information to be transmitted between files"
+    },
+    {
+      "questionText": "Which is an array method to generate a new array based on a condition?",
+      "options": [
+        {
+          "text": "filter",
+          "correct": true
+        },
+        {
+          "text": "map"
+        },
+        {
+          "text": "async"
+        },
+        {
+          "text": "enum"
+        }
+      ],
+      "explanation": "filter is a method used to conditionally create a new array"
+    },
+    {
+      "questionText": "How is a property accessible within a class?",
+      "options": [
+        {
+          "text": "Using this.propertyName",
+          "correct": true
+        },
+        {
+          "text": "Accessors"
+        },
+        {
+          "text": "Destructuring"
+        },
+        {
+          "text": "Arrow function"
+        }
+      ],
+      "explanation": "this.propertyName is the way to access a specific property within a class"
+    }
+  ]
+},
+{
+"quizId": "create-first-app",
+"milestone": "Creating your first app",
+"summary": "Angular allows us to create an app that contains components and modules as well as a system for bootstrapping the app.",
+"image": "first_app.png",
+"questions": [
+{
+"questionText": "Which of the following are true statements about Angular?",
+"options": [
+{
+"text": "Angular is a development platform."
+},
+{
+"text": "Angular minimizes much of the code you would have to write."
+},
+{
+"text": "Angular extends HTML's syntax to define your HTML components."
+},
+{
+"text": "All of the above.",
+"correct": true
+}
+],
+"explanation": "all of the above are true statements about Angular"
+},
+{
+"questionText": "Which of the following can be added to an Angular class?",
+"options": [
+{
+"text": "Properties and methods",
+"correct": true
+},
+{
+"text": "Imports and exports"
+},
+{
+"text": "Template variables"
+},
+{
+"text": "Styles"
+}
+],
+"explanation": "properties and methods can be added to a class in Angular"
+},
+{
+"questionText": "How is a class adorned in Angular?",
+"options": [
+{
+"text": "Using the @Component decorator.",
+"correct": true
+},
+{
+"text": "Using the @Injectable decorator."
+},
+{
+"text": "Using the @Input decorator."
+},
+{
+"text": "Using the @Output decorator."
+}
+],
+"explanation": "a class is adorned with the @Component decorator in Angular"
+},
+{
+"questionText": "What is the purpose of a decorator in TypeScript?",
+"options": [
+{
+"text": "To attach metadata to a class, function, property or variable.",
+"correct": true
+},
+{
+"text": "To add properties and methods to the class."
+},
+{
+"text": "To minimize the amount of code you will write."
+},
+{
+"text": "To perform databinding."
+}
+],
+"explanation": "a decorator attaches metadata to a class, function, property or variable"
+},
+{
+"questionText": "Which defines the location of a component?",
+"options": [
+{
+"text": "decorator"
+},
+{
+"text": "selector",
+"correct": true
+},
+{
+"text": "template"
+},
+{
+"text": "templateUrl"
+}
+],
+"explanation": "a selector defines the location of a component in Angular"
+},
+{
+"questionText": "Which defines the HTML code that the component generates?",
+"options": [
+{
+"text": "decorator"
+},
+{
+"text": "selector"
+},
+{
+"text": "template",
+"correct": true
+},
+{
+"text": "templateUrl"
+}
+],
+"explanation": "a template contains the HTML code that a component generates"
+},
+{
+"questionText": "Which is used for grouping Angular building blocks together?",
+"options": [
+{
+"text": "NgModule",
+"correct": true
+},
+{
+"text": "template"
+},
+{
+"text": "selector"
+},
+{
+"text": "decorator"
+}
+],
+"explanation": "the NgModule is used to group Angular components and modules together"
+},
+{
+"questionText": "How is an Angular module adorned?",
+"options": [
+{
+"text": "@NgModule",
+"correct": true
+},
+{
+"text": "@Component"
+},
+{
+"text": "@Injectable"
+},
+{
+"text": "@Output"
+}
+],
+"explanation": "@NgModule is used to decorate an Angular module"
+},
+{
+"questionText": "Which array specifies components belonging to AppModule?",
+"options": [
+{
+"text": "imports"
+},
+{
+"text": "declarations",
+"correct": true
+},
+{
+"text": "bootstrap"
+},
+{
+"text": "providers"
+}
+],
+"explanation": "the declarations array contains all the components that belong to AppModule"
+},
+{
+"questionText": "Which of the following code is used for bootstrapping an app?",
+"options": [
+{
+"text": "<app-module #bootstrap></app-module>"
+},
+{
+"text": "<bootstrap>AppModule</bootstrap>"
+},
+{
+"text": "bootstrap: [AppModule]"
+},
+{
+"text": "platformBrowserDynamic().bootstrapModule(AppModule);",
+"correct": true
+}
+],
+"explanation": "passing AppModule into the platformBrowserDynamic() is the method used for bootstrapping an Angular app"
+}
+]
+},
+{
+"quizId": "templates",
+"milestone": "Templates",
+"summary": "Angular has a very expressive template system, which takes HTML as a base, and extends it with custom elements.",
+"image": "template.png",
+"questions": [
+{
+"questionText": "What characters are used for text interpolation?",
+"options": [
+{
+"text": "backticks: ``",
+"correct": true
+},
+{
+"text": "double curlies {{ }}"
+},
+{
+"text": "double ampersand &&"
+},
+{
+"text": "double pipes ||"
+}
+],
+"explanation": "backticks are used in Angular for insertion of text"
+},
+{
+"questionText": "Which characters are used to include a property value?",
+"options": [
+{
+"text": "backticks: ``"
+},
+{
+"text": "double curlies: {{ }}",
+"correct": true
+},
+{
+"text": "double ampersand: &&"
+},
+{
+"text": "double pipes: ||"
+}
+],
+"explanation": "double curlies are used to insert a property value inside a template"
+},
+{
+"questionText": "How can you pass a value to a child element's attribute?",
+"options": [
+{
+"text": "Use string interpolation {{ property }}",
+"correct": true
+},
+{
+"text": "Call a function"
+},
+{
+"text": "Using the export keyword"
+},
+{
+"text": "Use [attribute]=\"property\"",
+"correct": true
+}
+],
+"explanation": "properties can be based to a child element using string interpolation or [attribute]=\"property\" syntax"
+},
+{
+"questionText": "Which is a shortcut for applying a class name based on value of property?",
+"options": [
+{
+"text": "{{ property }}"
+},
+{
+"text": "``property``"
+},
+{
+"text": "[class.property]=\"isProperty\"",
+"correct": true
+},
+{
+"text": "property$"
+}
+],
+"explanation": "we use the [class.property] syntax to assign a class name based on a value of property."
+},
+{
+"questionText": "What is the proper way to bind styles to a button in Angular?",
+"options": [
+{
+"text": "<button {{style}}></button>"
+},
+{
+"text": "<button style=\"color: blue\""
+},
+{
+"text": "<button [style.color]=\"blue\">",
+"correct": true
+},
+{
+"text": "<button>insert style ligature</button>"
+}
+],
+"explanation": "[style.styleProperty] is the way of binding a style to an element in Angular"
+},
+{
+"questionText": "Which of the following are examples of event bindings in Angular?",
+"options": [
+{
+"text": "[click]"
+},
+{
+"text": "@click"
+},
+{
+"text": "(click)",
+"correct": true
+},
+{
+"text": "on-click",
+"correct": true
+}
+],
+"explanation": "(click) and its HTML equivalent 'on-click' are examples of event bindings"
+},
+{
+"questionText": "How do we provide access to an HTML element or Angular component from the template?",
+"options": [
+{
+"text": "Use attribute binding [attr]=\"name\""
+},
+{
+"text": "Use backticks"
+},
+{
+"text": "Use double curlies"
+},
+{
+"text": "Mark it with #name",
+"correct": true
+}
+],
+"explanation": "marking it with #name is the way to access the HTML element from an Angular template"
+},
+{
+"questionText": "What mechanism does Angular provide for handling keyboard shortcuts?",
+"options": [
+{
+"text": "event binding"
+},
+{
+"text": "data binding"
+},
+{
+"text": "text interpolation"
+},
+{
+"text": "(keydown.control.enter)",
+"correct": true
+}
+],
+"explanation": "(keydown.control.enter) is Angular's syntax for handling keyboard shortcuts"
+},
+{
+"questionText": "Which directive adds or removes an element from the DOM?",
+"options": [
+{
+"text": "*ngFor"
+},
+{
+"text": "*ngIf",
+"correct": true
+},
+{
+"text": "*ngSwitch"
+},
+{
+"text": "[ngStyle]"
+}
+],
+"explanation": "ngIf is used to conditionally add or remove an element from the DOM"
+},
+{
+"questionText": "Which directive can be used to display an array of cat images?",
+"options": [
+{
+"text": "*ngFor",
+"correct": true
+},
+{
+"text": "*ngIf"
+},
+{
+"text": "*ngSwitch"
+},
+{
+"text": "[ngStyle]"
+}
+],
+"explanation": "the ngFor directive is used to display entire arrays or objects"
+}
+]
+},
+{
+"quizId": "dependency-injection",
+"milestone": "Dependency Injection",
+"summary": "Dependency Injection is a way of providing dependencies in your code instead of hard-coding them.",
+"image": "DIDiagram.png",
+"questions": [
+{
+"questionText": "What is the objective of dependency injection?",
+"options": [
+{
+"text": "Pass the service to the client.",
+"correct": true
+},
+{
+"text": "Allow the client to find service.",
+"correct": true
+},
+{
+"text": "Allow the client to build service."
+},
+{
+"text": "Give the client part service."
+}
+],
+"explanation": "a service gets passed to the client during DI"
+},
+{
+"questionText": "Which of the following benefit from dependency injection?",
+"options": [
+{
+"text": "Programming"
+},
+{
+"text": "Testability"
+},
+{
+"text": "Software design"
+},
+{
+"text": "All of the above.",
+"correct": true
+}
+],
+"explanation": "DI simplifies both programming and testing as well as being a popular design pattern"
+},
+{
+"questionText": "In which of the following does dependency injection occur?",
+"options": [
+{
+"text": "@Injectable()"
+},
+{
+"text": "constructor",
+"correct": true
+},
+{
+"text": "function"
+},
+{
+"text": "NgModule"
+}
+],
+"explanation": "object instantiations are taken care of by the constructor in Angular"
+},
+{
+"questionText": "What is the first step in setting up dependency injection?",
+"options": [
+{
+"text": "Require in the component."
+},
+{
+"text": "Provide in the module."
+},
+{
+"text": "Mark dependency as @Injectable().",
+"correct": true
+},
+{
+"text": "Declare an object."
+}
+],
+"explanation": "the first step is marking the class as @Injectable()"
+}
+]
+},
+{
+"quizId": "component-tree",
+"milestone": "Component Trees",
+"summary": "An Angular application can be thought of as a tree of reusable components.",
+"image": "tree.png",
+"questions": [
+{
+"questionText": "How does a parent component pass data to its child component?",
+"options": [
+{
+"text": "Using data binding."
+},
+{
+"text": "Using functions."
+},
+{
+"text": "Using properties.",
+"correct": true
+},
+{
+"text": "Using DOM manipulation."
+}
+],
+"explanation": "a parent component can pass data to its child via properties"
+},
+{
+"questionText": "How can one component render another one?",
+"options": [
+{
+"text": "Using an HTML element that matches selector of other component.",
+"correct": true
+},
+{
+"text": "Using data binding."
+},
+{
+"text": "Using properties."
+},
+{
+"text": "Passing components via functions."
+}
+],
+"explanation": "a component can display another component by matching the selector of the other component"
+},
+{
+"questionText": "How do components know about each other?",
+"options": [
+{
+"text": "If they are declared in the same module.",
+"correct": true
+},
+{
+"text": "If they are passed to each other."
+},
+{
+"text": "Using export."
+},
+{
+"text": "Using property binding."
+}
+],
+"explanation": "components can only know about each other if they are declared in the same module"
+},
+{
+"questionText": "How must a child decorate its properties to pass data?",
+"options": [
+{
+"text": "Using the @Input() decorator.",
+"correct": true
+},
+{
+"text": "Using the @Output() decorator."
+},
+{
+"text": "Using the @Injectable decorator."
+},
+{
+"text": "Using the @Component decorator."
+}
+],
+"explanation": "properties must be decorated with @Input() in a child in order to pass data to its parent"
+}
+]
+},
+{
+"quizId": "router",
+"milestone": "Angular Router",
+"summary": "Angular Router helps developers build Single Page Applications with multiple views and allow navigation between those views.",
+"image": "router.png",
+"questions": [
+{
+"questionText": "Which is used to assign URLs to different parts of your app?",
+"options": [
+{
+"text": "Router",
+"correct": true
+},
+{
+"text": "Forms"
+},
+{
+"text": "Templates"
+},
+{
+"text": "Material"
+}
+],
+"explanation": "Router is used to provide URLs to the different parts of your app."
+},
+{
+"questionText": "How are routes configured in Angular?",
+"options": [
+{
+"text": "In a routing module."
+},
+{
+"text": "By defining an array of mapping between URL path and a component.",
+"correct": true
+},
+{
+"text": "When the app is being bootstrapped."
+},
+{
+"text": "In tsconfig.json"
+}
+],
+"explanation": "routes are configured by defining an array of mapping between URL path and a component"
+},
+{
+"questionText": "How does Angular know about the routing configuration?",
+"options": [
+{
+"text": "We have to pass the config to our module.",
+"correct": true
+},
+{
+"text": "When the app is being bootstrapped."
+},
+{
+"text": "It is specified in tsconfig.json"
+},
+{
+"text": "It looks for the config in router-outlet."
+}
+],
+"explanation": "routes are configured by defining an array of mapping between URL path and a component"
+},
+{
+"questionText": "Which of the following creates an Angular module from our configuration?",
+"options": [
+{
+"text": "RouterModule.forRoot",
+"correct": true
+},
+{
+"text": "router-outlet"
+},
+{
+"text": "routerLink"
+},
+{
+"text": "navigateByUrl"
+}
+],
+"explanation": "RouterModule.forRoot establishes an Angular module from the routing configuration"
+},
+{
+"questionText": "What tag is used to tell the router where to display a selected component?",
+"options": [
+{
+"text": "routerLink"
+},
+{
+"text": "<router-outlet> tag ",
+"correct": true
+},
+{
+"text": "navigate"
+},
+{
+"text": "navigateByUrl"
+}
+],
+"explanation": "the router-outlet tag tells the router to display selected component(s)"
+},
+{
+"questionText": "Which directive is used to provide a URL in creating a route?",
+"options": [
+{
+"text": "routerLink",
+"correct": true
+},
+{
+"text": "<router-outlet> tag"
+},
+{
+"text": "navigate"
+},
+{
+"text": "navigateByUrl"
+}
+],
+"explanation": "the routerLink directive is used to provide the URL necessary for routing"
+}
+]
+},
+{
+"quizId": "material",
+"milestone": "Angular Material",
+"summary": "Angular Material provides a set of Material Design components that are consistent, versatile and look great on mobile devices.",
+"image": "material.png",
+"questions": [
+{
+"questionText": "Which of the following is the official website for Angular Material?",
+"options": [
+{
+"text": "https://www.angular.io"
+},
+{
+"text": "https://www.material.io"
+},
+{
+"text": "https://material.angular.io",
+"correct": true
+},
+{
+"text": "https://www.github.com/angular/material"
+}
+],
+"explanation": "the official website for Angular Material is material.angular.io"
+},
+{
+"questionText": "Where are Angular Material modules declared in NgModule?",
+"options": [
+{
+"text": "imports",
+"correct": true
+},
+{
+"text": "declarations"
+},
+{
+"text": "providers"
+},
+{
+"text": "schemas"
+}
+],
+"explanation": "the imports section of NgModule is where Angular Material modules are declared"
+},
+{
+"questionText": "Which of the following is true about Angular Material Design components?",
+"options": [
+{
+"text": "They are fast and consistent."
+},
+{
+"text": "They look great on mobile."
+},
+{
+"text": "They can be themed."
+},
+{
+"text": "All of the above.",
+"correct": true
+}
+],
+"explanation": "all of these are true about Angular Material components."
+},
+{
+"questionText": "Where are Angular Material components used?",
+"options": [
+{
+"text": "In the template file.",
+"correct": true
+},
+{
+"text": "In the TypeScript file."
+},
+{
+"text": "In the CSS file."
+},
+{
+"text": "All of the above."
+}
+],
+"explanation": "Angular Material components are utilized in the template file"
+},
+{
+"questionText": "Which tag can be used to display a card header in Angular Material?",
+"options": [
+{
+"text": "mat-card"
+},
+{
+"text": "mat-card-avatar"
+},
+{
+"text": "mat-card-header",
+"correct": true
+},
+{
+"text": "mat-card-image"
+}
+],
+"explanation": "the mat-card-header is used to display the header information inside an Angular mat-card"
+},
+{
+"questionText": "Which tag can be used to display actions in Angular Material?",
+"options": [
+{
+"text": "mat-button"
+},
+{
+"text": "mat-raised-button"
+},
+{
+"text": "mat-card-content"
+},
+{
+"text": "mat-card-actions",
+"correct": true
+}
+],
+"explanation": "the mat-card-actions tag is used to display actions inside an Angular Material template"
+}
+]
+},
+{
+"quizId": "forms",
+"milestone": "Angular Forms",
+"summary": "Angular forms build upon standard HTML forms to help create custom form controls and support easy validation.",
+"image": "forms.png",
+"questions": [
+{
+"questionText": "What is the first step in using Angular Forms?",
+"options": [
+{
+"text": "Add FormsModule/ReactiveFormsModule in NgModule.",
+"correct": true
+},
+{
+"text": "Add form tag to the template."
+},
+{
+"text": "Add form fields in the template."
+},
+{
+"text": "Add form validation fields to the TypeScript file."
+}
+],
+"explanation": "we must first add FormsModule to the imports section of NgModule"
+},
+{
+"questionText": "What syntax is used to bind inputs to fields on the component?",
+"options": [
+{
+"text": "{{ngModel}}"
+},
+{
+"text": "[(ngModel)]",
+"correct": true
+},
+{
+"text": "[ngModel]"
+},
+{
+"text": "*ngModel"
+}
+],
+"explanation": "the \"banana-in-a-box\" syntax [(ngModel]] is used for binding inputs to fields"
+},
+{
+"questionText": "How do you provide validation for your inputs?",
+"options": [
+{
+"text": "Using required keyword",
+"correct": true
+},
+{
+"text": "Using valid keyword"
+},
+{
+"text": "Using matInput"
+},
+{
+"text": "Using mat-error"
+}
+],
+"explanation": "by placing the \"required\" keyword on an input field, it marks the field for validation"
+},
+{
+"questionText": "Which of the following are steps to display a validation error?",
+"options": [
+{
+"text": "Use #name=\"ngModel\" binding.",
+"correct": true
+},
+{
+"text": "Use usernameModel's errors property.",
+"correct": true
+},
+{
+"text": "Use mat-error."
+},
+{
+"text": "Use required keyword."
+}
+],
+"explanation": "using #name=\"ngModel\" and using usernameModel's error property are the two steps to display a validation error"
+},
+{
+"questionText": "Which is NOT a built-in validator that Angular provides?",
+"options": [
+{
+"text": "min"
+},
+{
+"text": "minLength"
+},
+{
+"text": "required"
+},
+{
+"text": "password",
+"correct": true
+}
+],
+"explanation": "password is not a built-in validator which Angular provides"
+},
+{
+"questionText": "Which is true if the user changed the value of the input?",
+"options": [
+{
+"text": "dirty",
+"correct": true
+},
+{
+"text": "touched"
+},
+{
+"text": "untouched"
+},
+{
+"text": "pristine"
+}
+],
+"explanation": "dirty is true when the user changes the value of the input "
+},
+{
+"questionText": "Which is true if the user focused on the input and then blurred without changing the value?",
+"options": [
+{
+"text": "dirty"
+},
+{
+"text": "touched",
+"correct": true
+},
+{
+"text": "untouched"
+},
+{
+"text": "pristine"
+}
+],
+"explanation": "touched is true when the user focuses on input and then blurred"
+},
+{
+"questionText": "Which of the following wraps the input in an Angular Material form?",
+"options": [
+{
+"text": "mat-form-field",
+"correct": true
+},
+{
+"text": "matInput"
+},
+{
+"text": "mat-error"
+},
+{
+"text": "mat-card"
+}
+],
+"explanation": "mat-form-field surrounds the input in an Angular Material form"
+},
+{
+"questionText": "How is an error shown in an Angular Material form?",
+"options": [
+{
+"text": "mat-form-field"
+},
+{
+"text": "matInput"
+},
+{
+"text": "mat-error",
+"correct": true
+},
+{
+"text": "mat-card"
+}
+],
+"explanation": "the mat-error tag is used to show an error in an Angular Material form"
+}
+]
+},
+{
+"quizId": "angular-cli",
+"milestone": "Angular-CLI",
+"summary": "The Angular CLI is a command-line interface tool used for initializing, developing, scaffolding and maintaining Angular applications.",
+"image": "angular-cli.png",
+"questions": [
+{
+"questionText": "Which is a prerequisite for using Angular-CLI?",
+"options": [
+{
+"text": "NodeJS",
+"correct": true
+},
+{
+"text": "JavaScript"
+},
+{
+"text": "Github"
+},
+{
+"text": "WebStorm"
+}
+],
+"explanation": "NodeJS needs to be installed on your machine before setting up Angular-CLI"
+},
+{
+"questionText": "How is Angular-CLI installed?",
+"options": [
+{
+"text": "npm install -g @angular/cli",
+"correct": true
+},
+{
+"text": "ng new \"my-app-name"
+},
+{
+"text": "cd my-app-name"
+},
+{
+"text": "ng serve command"
+}
+],
+"explanation": "Angular-CLI is installed using the \"npm install -g @angular/cli\" command"
+},
+{
+"questionText": "How can you run an app that is built with Angular-CLI?",
+"options": [
+{
+"text": "ng serve",
+"correct": true
+},
+{
+"text": "ng new \"my-app-name\""
+},
+{
+"text": "npm start"
+},
+{
+"text": "node -v"
+}
+],
+"explanation": "ng serve is the command that is required to run an app built with Angular-CLI"
+},
+{
+"questionText": "Which URL should be viewed in the browser to see the app running?",
+"options": [
+{
+"text": "http://www.google.com"
+},
+{
+"text": "http://angular.io"
+},
+{
+"text": "http://localhost"
+},
+{
+"text": "http://localhost:4200/",
+"correct": true
+}
+],
+"explanation": "viewing http://localhost:4200/ allows us to view the app in the browser"
+},
+{
+"questionText": "What command is used to create a new service using the Angular-CLI?",
+"options": [
+{
+"text": "ng g c my-component"
+},
+{
+"text": "ng g m my-module"
+},
+{
+"text": "ng g s my-service",
+"correct": true
+},
+{
+"text": "ng g p my-pipe"
+}
+],
+"explanation": "a service is created using the ng g s shortcut command"
+},
+{
+"questionText": "Which is a true statement about the Angular CLI?",
+"options": [
+{
+"text": "It is a command-line tool that makes it easy to generate new components."
+},
+{
+"text": "It allows for fast scaffolding of an application that works easily."
+},
+{
+"text": "It takes care of the build system for you."
+},
+{
+"text": "All of the above.",
+"correct": true
+}
+],
+"explanation": "all of the above are true statements about the Angular-CLI"
+}
+]
+}
+  ],
+  "resources": [
+    {
+      "quizId": "TS_Quiz",
+      "milestone": "TypeScript",
+      "resources": [
+        {
+          "title": "TypeScript language website",
+          "url": "https://www.typescriptlang.org",
+          "host": "TypeScript website"
+        },
+        {
+          "title": "Microsoft TypeScript GitHub page",
+          "url": "https://github.com/microsoft/TypeScript",
+          "host": "GitHub"
+        },
+        {
+          "title": "TypeScript Wiki",
+          "url": "https://en.wikipedia.org/wiki/TypeScript",
+          "host": "Wikipedia"
+        },
+        {
+          "title": "TypeScript blog",
+          "url": "https://devblogs.microsoft.com/typescript/",
+          "host": "Microsoft dev blogs"
+        }
+      ]
+    },
+    {
+      "quizId": "create-first-app",
+      "milestone": "Creating your first app",
+      "resources": [
+        {
+          "title": "Getting started with a basic Angular app",
+          "url": "https://angular.io/start",
+          "host": "angular.io"
+        },
+        {
+          "title": "Creating Your First Angular App: Basics",
+          "url": "https://code.tutsplus.com/tutorials/creating-your-first-angular-app-basics--cms-30092",
+          "host": "envatotuts+"
+        }
+      ]
+    },
+    {
+      "quizId": "templates",
+      "milestone": "Templates",
+      "resources": [
+        {
+          "title": "Introduction to components and templates",
+          "url": "https://angular.io/guide/architecture-components#:~:text=Angular%20templates%20are%20dynamic.,component%20is%20technically%20a%20directive.",
+          "host": "angular.io"
+        },
+        {
+          "title": "Angular 4 - Templates",
+          "url": "https://www.tutorialspoint.com/angular4/angular4_templates.htm",
+          "host": "tutorialspoint"
+        },
+        {
+          "title": "Angular templates and views",
+          "url": "https://howtodoinjava.com/angular/angular-templates-and-views/#:~:text=A%20template%20is%20an%20HTML,component%20defines%20that%20component's%20view.",
+          "host": "HowToDoInJava"
+        }
+      ]
+    },
+    {
+      "quizId": "dependency-injection",
+      "milestone": "Dependency Injection",
+      "resources": [
+        {
+          "title": "Dependency injection in Angular",
+          "url": "https://angular.io/guide/dependency-injection",
+          "host": "angular.io"
+        },
+        {
+          "title": "Dependency injection in action",
+          "url": "https://angular.io/guide/dependency-injection-in-action",
+          "host": "angular.io"
+        },
+        {
+          "title": "Introduction to services and dependency injection",
+          "url": "https://angular.io/guide/architecture-services",
+          "host": "angular.io"
+        },
+        {
+          "title": "Total Guide To Angular 6+ Dependency Injection...",
+          "url": "https://medium.com/@tomastrajan/total-guide-to-angular-6-dependency-injection-providedin-vs-providers-85b7a347b59f",
+          "host": "medium.com"
+        }
+      ]
+    },
+    {
+      "quizId": "component-tree",
+      "milestone": "Component Trees",
+      "resources": [
+        {
+          "title": "Introduction to Angular concepts",
+          "url": "https://angular.io/guide/architecture",
+          "host": "angular.io"
+        },
+        {
+          "title": "Navigating the component tree with DI",
+          "url": "https://angular.io/guide/dependency-injection-navtree",
+          "host": "angular.io"
+        },
+        {
+          "title": "The Core Concepts of Angular",
+          "url": "https://vsavkin.com/the-core-concepts-of-angular-2-c3d6cbe04d04",
+          "host": "vsavkin.com"
+        }
+      ]
+    },
+    {
+      "quizId": "router",
+      "milestone": "Angular Router",
+      "resources": [
+        {
+          "title": "In-app navigation: routing to views",
+          "url": "https://angular.io/guide/router",
+          "host": "angular.io"
+        },
+        {
+          "title": "API: @angular/router",
+          "url": "https://angular.io/api/router",
+          "host": "angular.io"
+        },
+        {
+          "title": "A Complete Guide To Routing In Angular",
+          "url": "https://www.smashingmagazine.com/2018/11/a-complete-guide-to-routing-in-angular/",
+          "host": "Smashing Magazine"
+        },
+        {
+          "title": "Using Route Parameters",
+          "url": "https://angular-2-training-book.rangle.io/routing/routeparams",
+          "host": "Rangle.io"
+        }
+      ]
+    },
+    {
+      "quizId": "material",
+      "milestone": "Angular Material",
+      "resources": [
+        {
+          "title": "Getting Started with Angular Material",
+          "url": "https://material.angular.io/guide/getting-started",
+          "host": "Angular Material official website"
+        },
+        {
+          "title": "Angular Material UI component library",
+          "url": "https://material.angular.io",
+          "host": "Angular Material official website"
+        },
+        {
+          "title": "Material Design",
+          "url": "https://www.material.io",
+          "host": "material.io"
+        },
+        {
+          "title": "Angular Material 7 Tutorial",
+          "url": "https://www.tutorialspoint.com/angular_material7/index.htm",
+          "host": "tutorialspoint"
+        }
+      ]
+    },
+    {
+      "quizId": "forms",
+      "milestone": "Angular Forms",
+      "resources": [
+        {
+          "title": "Introduction to forms in Angular",
+          "url": "https://angular.io/guide/forms-overview",
+          "host": "angular.io"
+        },
+        {
+          "title": "Angular Forms Guide - Template Driven and Reactive Forms",
+          "url": "https://blog.angular-university.io/introduction-to-angular-2-forms-template-driven-vs-model-driven/",
+          "host": "Angular University"
+        },
+        {
+          "title": "Template-Driven Form Validation In Angular",
+          "url": "https://ankitsharmablogs.com/template-driven-form-validation-in-angular/",
+          "host": "Ankit Sharma's Blog"
+        },
+        {
+          "title": "How to validate Angular Reactive Forms",
+          "url": "https://www.freecodecamp.org/news/how-to-validate-angular-reactive-forms/",
+          "host": "freecodecamp.org"
+        }
+      ]
+    },
+    {
+      "quizId": "angular-cli",
+      "milestone": "Angular-CLI",
+      "resources": [
+        {
+          "title": "CLI Overview and Command Reference",
+          "url": "https://angular.io/cli",
+          "host": "angular.io"
+        },
+        {
+          "title": "Angular 8 Tutorial: Build your First Angular App",
+          "url": "https://www.techiediaries.com/angular-8-tutorial-build-first-angular-calculator-app/",
+          "host": "TechieDiaries"
+        },
+        {
+          "title": "Starting an Angular app with the Angular CLI",
+          "url": "https://scotch.io/courses/build-your-first-angular-website/starting-an-angular-app-with-the-angular-cli",
+          "host": "Scotch"
+        }
+      ]
+    }
+  ]
+}
diff --git a/routing/quiz-routing.module.ts b/routing/quiz-routing.module.ts
new file mode 100644
index 000000000..efd5ee2d2
--- /dev/null
+++ b/routing/quiz-routing.module.ts
@@ -0,0 +1,23 @@
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+
+import { IntroductionComponent } from '@codelab-quiz/containers/introduction/introduction.component';
+import { QuizComponent } from '@codelab-quiz/containers/quiz/quiz.component';
+import { QuizSelectionComponent } from '@codelab-quiz/containers/quiz-selection/quiz-selection.component';
+import { ResultsComponent } from '@codelab-quiz/containers/results/results.component';
+
+
+const routes: Routes = [
+  { path: '', redirectTo: 'select' },
+  { path: 'select', component: QuizSelectionComponent },
+  { path: 'intro/:quizId', component: IntroductionComponent },
+  { path: 'question/:quizId/:questionIndex', component: QuizComponent },
+  { path: 'results/:quizId', component: ResultsComponent }
+];
+
+
+@NgModule({
+  imports: [RouterModule.forChild(routes)],
+  exports: [RouterModule]
+})
+export class QuizRoutingModule {}
diff --git a/shared/data/index.ts b/shared/data/index.ts
new file mode 100644
index 000000000..02c5d4c47
--- /dev/null
+++ b/shared/data/index.ts
@@ -0,0 +1 @@
+export * from './quiz';
diff --git a/shared/data/quiz.ts b/shared/data/quiz.ts
new file mode 100644
index 000000000..7e910fa43
--- /dev/null
+++ b/shared/data/quiz.ts
@@ -0,0 +1,928 @@
+import { Quiz, QuizResource } from '@codelab-quiz/shared/models/';
+
+export const QUIZ_DATA: Quiz[] = [
+  {
+    quizId: 'typescript',
+    milestone: 'TypeScript',
+    summary: 'TypeScript makes it easier to read and debug JavaScript code.',
+    image: 'ts.png',
+    questions: [
+      {
+        questionText: 'Which of the following does TypeScript use to specify types?',
+        options: [
+          { text: ':', correct: true },
+          { text: ';' },
+          { text: '!' },
+          { text: '&' }
+        ],
+        explanation: 'TS uses a colon (:) to separate the property name from the property type'
+      },
+      {
+        questionText: 'Which of the following is NOT a type used in TypeScript?',
+        options: [
+          { text: 'number' },
+          { text: 'string' },
+          { text: 'boolean' },
+          { text: 'enum', correct: true }
+        ],
+        explanation: 'enum is not used as a type in TypeScript'
+      },
+      {
+        questionText: 'How can we specify properties and methods for an object in TypeScript?',
+        options: [
+          { text: 'Use classes.' },
+          { text: 'Use interfaces.', correct: true },
+          { text: 'Use enums.' },
+          { text: 'Use async/await.' }
+        ],
+        explanation: 'interfaces are typically used to list the properties and methods for an object'
+      },
+      {
+        questionText: 'How else can Array<number> be written in TypeScript?',
+        options: [
+          { text: '@number' },
+          { text: 'number[]', correct: true },
+          { text: 'number!' },
+          { text: 'number?' }
+        ],
+        explanation: 'number[] is another way of writing Array<number> in TypeScript'
+      },
+      {
+        questionText: 'In which of these does a class take parameters?',
+        options: [
+          { text: 'constructor', correct: true },
+          { text: 'destructor', },
+          { text: 'import' },
+          { text: 'subscribe' }
+        ],
+        explanation: 'a constructor is used by a class to take in parameters'
+      },
+      {
+        questionText: 'Which is NOT an access modifier?',
+        options: [
+          { text: 'private' },
+          { text: 'protected' },
+          { text: 'public' },
+          { text: 'async', correct: true }
+        ],
+        explanation: 'async is not used as an access modifier type in TypeScript'
+      },
+      {
+        questionText: 'Which keyword allows us to share information between files in TypeScript?',
+        options: [
+          { text: 'import' },
+          { text: 'export', correct: true },
+          { text: 'async' },
+          { text: 'constructor' }
+        ],
+        explanation: 'the export keyword allows for the information to be transmitted between files'
+      },
+      {
+        questionText: 'Which is an array method to generate a new array based on a condition?',
+        options: [
+          { text: 'filter', correct: true },
+          { text: 'map' },
+          { text: 'async' },
+          { text: 'enum' }
+        ],
+        explanation: 'filter is a method used to conditionally create a new array'
+      },
+      {
+        questionText: 'How is a property accessible within a class?',
+        options: [
+          { text: 'Using this.propertyName', correct: true },
+          { text: 'Accessors' },
+          { text: 'Destructuring' },
+          { text: 'Arrow function' }
+        ],
+        explanation: 'this.propertyName is the way to access a specific property within a class'
+      }
+    ]
+  },
+  {
+    quizId: 'create-first-app',
+    milestone: 'Creating your first app',
+    summary: 'Angular allows us to create an app that contains components and modules as well as a system for bootstrapping the app.',
+    image: 'first_app.png',
+    questions: [
+      {
+        questionText: 'Which of the following are true statements about Angular?',
+        options: [
+          { text: 'Angular is a development platform.' },
+          { text: 'Angular minimizes much of the code you would have to write.' },
+          { text: 'Angular extends HTML\'s syntax to define your HTML components.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of the above are true statements about Angular'
+      },
+      {
+        questionText: 'Which of the following can be added to an Angular class?',
+        options: [
+          { text: 'Properties and methods', correct: true },
+          { text: 'Imports and exports' },
+          { text: 'Template variables' },
+          { text: 'Styles' }
+        ],
+        explanation: 'properties and methods can be added to a class in Angular'
+      },
+      {
+        questionText: 'How is a class adorned in Angular?',
+        options: [
+          { text: 'Using the @Component decorator.', correct: true },
+          { text: 'Using the @Injectable decorator.' },
+          { text: 'Using the @Input decorator.' },
+          { text: 'Using the @Output decorator.' }
+        ],
+        explanation: 'a class is adorned with the @Component decorator in Angular'
+      },
+      {
+        questionText: 'What is the purpose of a decorator in TypeScript?',
+        options: [
+          { text: 'To attach metadata to a class, function, property or variable.', correct: true },
+          { text: 'To add properties and methods to the class.' },
+          { text: 'To minimize the amount of code you will write.' },
+          { text: 'To perform databinding.' }
+        ],
+        explanation: 'a decorator attaches metadata to a class, function, property or variable'
+      },
+      {
+        questionText: 'Which defines the location of a component?',
+        options: [
+          { text: 'decorator' },
+          { text: 'selector', correct: true },
+          { text: 'template' },
+          { text: 'templateUrl' }
+        ],
+        explanation: 'a selector defines the location of a component in Angular'
+      },
+      {
+        questionText: 'Which defines the HTML code that the component generates?',
+        options: [
+          { text: 'decorator' },
+          { text: 'selector' },
+          { text: 'template', correct: true },
+          { text: 'templateUrl' }
+        ],
+        explanation: 'a template contains the HTML code that a component generates'
+      },
+      {
+        questionText: 'Which is used for grouping Angular building blocks together?',
+        options: [
+          { text: 'NgModule', correct: true },
+          { text: 'template' },
+          { text: 'selector' },
+          { text: 'decorator' }
+        ],
+        explanation: 'the NgModule is used to group Angular components and modules together'
+      },
+      {
+        questionText: 'How is an Angular module adorned?',
+        options: [
+          { text: '@NgModule', correct: true },
+          { text: '@Component' },
+          { text: '@Injectable' },
+          { text: '@Output' }
+        ],
+        explanation: '@NgModule is used to decorate an Angular module'
+      },
+      {
+        questionText: 'Which array specifies components belonging to AppModule?',
+        options: [
+          { text: 'imports' },
+          { text: 'declarations', correct: true },
+          { text: 'bootstrap' },
+          { text: 'providers' }
+        ],
+        explanation: 'the declarations array contains all the components that belong to AppModule'
+      },
+      {
+        questionText: 'Which of the following code is used for bootstrapping an app?',
+        options: [
+          { text: '<app-module #bootstrap></app-module>' },
+          { text: '<bootstrap>AppModule</bootstrap>' },
+          { text: 'bootstrap: [AppModule]' },
+          { text: 'platformBrowserDynamic().bootstrapModule(AppModule);', correct: true }
+        ],
+        explanation: 'passing AppModule into the platformBrowserDynamic() is the method used for bootstrapping an Angular app'
+      }
+    ]
+  },
+  {
+    quizId: 'templates',
+    milestone: 'Templates',
+    summary: 'Angular has a very expressive template system, which takes HTML as a base, and extends it with custom elements.',
+    image: 'template.png',
+    questions: [
+      {
+        questionText: 'What characters are used for text interpolation?',
+        options: [
+          { text: 'backticks: ``', correct: true },
+          { text: 'double curlies {{ }}' },
+          { text: 'double ampersand &&' },
+          { text: 'double pipes ||' }
+        ],
+        explanation: 'backticks are used in Angular for insertion of text'
+      },
+      {
+        questionText: 'Which characters are used to include a property value?',
+        options: [
+          { text: 'backticks: ``' },
+          { text: 'double curlies: {{ }}', correct: true },
+          { text: 'double ampersand: &&' },
+          { text: 'double pipes: ||' }
+        ],
+        explanation: 'double curlies are used to insert a property value inside a template'
+      },
+      {
+        questionText: 'How can you pass a value to a child element\'s attribute?',
+        options: [
+          { text: 'Use string interpolation {{ property }}', correct: true },
+          { text: 'Call a function' },
+          { text: 'Using the export keyword' },
+          { text: 'Use [attribute]="property"', correct: true }
+        ],
+        explanation: 'properties can be based to a child element using string interpolation or [attribute]="property" syntax'
+      },
+      {
+        questionText: 'Which is a shortcut for applying a class name based on value of property?',
+        options: [
+          { text: '{{ property }}' },
+          { text: '``property``' },
+          { text: '[class.property]="isProperty"', correct: true },
+          { text: 'property$' }
+        ],
+        explanation: 'we use the [class.property] syntax to assign a class name based on a value of property.'
+      },
+      {
+        questionText: 'What is the proper way to bind styles to a button in Angular?',
+        options: [
+          { text: '<button {{style}}></button>' },
+          { text: '<button style="color: blue"' },
+          { text: '<button [style.color]="blue">', correct: true },
+          { text: '<button>insert style ligature</button>' }
+        ],
+        explanation: '[style.styleProperty] is the way of binding a style to an element in Angular'
+      },
+      {
+        questionText: 'Which of the following are examples of event bindings in Angular?',
+        options: [
+          { text: '[click]' },
+          { text: '@click' },
+          { text: '(click)', correct: true },
+          { text: 'on-click', correct: true }
+        ],
+        explanation: '(click) and its HTML equivalent \'on-click\' are examples of event bindings'
+      },
+      {
+        questionText: 'How do we provide access to an HTML element or Angular component from the template?',
+        options: [
+          { text: 'Use attribute binding [attr]="name"' },
+          { text: 'Use backticks' },
+          { text: 'Use double curlies' },
+          { text: 'Mark it with #name', correct: true }
+        ],
+        explanation: 'marking it with #name is the way to access the HTML element from an Angular template'
+      },
+      {
+        questionText: 'What mechanism does Angular provide for handling keyboard shortcuts?',
+        options: [
+          { text: 'event binding' },
+          { text: 'data binding' },
+          { text: 'text interpolation' },
+          { text: '(keydown.control.enter)', correct: true }
+        ],
+        explanation: '(keydown.control.enter) is Angular\'s syntax for handling keyboard shortcuts'
+      },
+      {
+        questionText: 'Which directive adds or removes an element from the DOM?',
+        options: [
+          { text: '*ngFor' },
+          { text: '*ngIf', correct: true },
+          { text: '*ngSwitch' },
+          { text: '[ngStyle]' }
+        ],
+        explanation: 'ngIf is used to conditionally add or remove an element from the DOM'
+      },
+      {
+        questionText: 'Which directive can be used to display an array of cat images?',
+        options: [
+          { text: '*ngFor', correct: true },
+          { text: '*ngIf' },
+          { text: '*ngSwitch' },
+          { text: '[ngStyle]' }
+        ],
+        explanation: 'the ngFor directive is used to display entire arrays or objects'
+      }
+    ]
+  },
+  {
+    quizId: 'dependency-injection',
+    milestone: 'Dependency Injection',
+    summary: 'Dependency Injection is a way of providing dependencies in your code instead of hard-coding them.',
+    image: 'DIDiagram.png',
+    questions: [
+      {
+        questionText: 'What is the objective of dependency injection?',
+        options: [
+          { text: 'Pass the service to the client.', correct: true },
+          { text: 'Allow the client to find service.', correct: true },
+          { text: 'Allow the client to build service.' },
+          { text: 'Give the client part service.' }
+        ],
+        explanation: 'a service gets passed to the client during DI'
+      },
+      {
+        questionText: 'Which of the following benefit from dependency injection?',
+        options: [
+          { text: 'Programming' },
+          { text: 'Testability' },
+          { text: 'Software design' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'DI simplifies both programming and testing as well as being a popular design pattern'
+      },
+      {
+        questionText: 'In which of the following does dependency injection occur?',
+        options: [
+          { text: '@Injectable()' },
+          { text: 'constructor', correct: true },
+          { text: 'function' },
+          { text: 'NgModule' }
+        ],
+        explanation: 'object instantiations are taken care of by the constructor in Angular'
+      },
+      {
+        questionText: 'What is the first step in setting up dependency injection?',
+        options: [
+          { text: 'Require in the component.' },
+          { text: 'Provide in the module.' },
+          { text: 'Mark dependency as @Injectable().', correct: true },
+          { text: 'Declare an object.' }
+        ],
+        explanation: 'the first step is marking the class as @Injectable()'
+      }
+    ]
+  },
+  {
+    quizId: 'component-tree',
+    milestone: 'Component Trees',
+    summary: 'An Angular application can be thought of as a tree of reusable components.',
+    image: 'tree.png',
+    questions: [
+      {
+        questionText: 'How does a parent component pass data to its child component?',
+        options: [
+          { text: 'Using data binding.' },
+          { text: 'Using functions.' },
+          { text: 'Using properties.', correct: true },
+          { text: 'Using DOM manipulation.' }
+        ],
+        explanation: 'a parent component can pass data to its child via properties'
+      },
+      {
+        questionText: 'How can one component render another one?',
+        options: [
+          { text: 'Using an HTML element that matches selector of other component.', correct: true },
+          { text: 'Using data binding.' },
+          { text: 'Using properties.' },
+          { text: 'Passing components via functions.' }
+        ],
+        explanation: 'a component can display another component by matching the selector of the other component'
+      },
+      {
+        questionText: 'How do components know about each other?',
+        options: [
+          { text: 'If they are declared in the same module.', correct: true },
+          { text: 'If they are passed to each other.' },
+          { text: 'Using export.' },
+          { text: 'Using property binding.' }
+        ],
+        explanation: 'components can only know about each other if they are declared in the same module'
+      },
+      {
+        questionText: 'How must a child decorate its properties to pass data?',
+        options: [
+          { text: 'Using the @Input() decorator.', correct: true },
+          { text: 'Using the @Output() decorator.' },
+          { text: 'Using the @Injectable decorator.' },
+          { text: 'Using the @Component decorator.' }
+        ],
+        explanation: 'properties must be decorated with @Input() in a child in order to pass data to its parent'
+      }
+    ]
+  },
+  {
+    quizId: 'router',
+    milestone: 'Angular Router',
+    summary: 'Angular Router helps developers build Single Page Applications with multiple views and allow navigation between those views.',
+    image: 'router.png',
+    questions: [
+      {
+        questionText: 'Which is used to assign URLs to different parts of your app?',
+        options: [
+          { text: 'Router', correct: true },
+          { text: 'Forms' },
+          { text: 'Templates' },
+          { text: 'Material' }
+        ],
+        explanation: 'Router is used to provide URLs to the different parts of your app.'
+      },
+      {
+        questionText: 'How are routes configured in Angular?',
+        options: [
+          { text: 'In a routing module.' },
+          { text: 'By defining an array of mapping between URL path and a component.', correct: true },
+          { text: 'When the app is being bootstrapped.' },
+          { text: 'In tsconfig.json' }
+        ],
+        explanation: 'routes are configured by defining an array of mapping between URL path and a component'
+      },
+      {
+        questionText: 'How does Angular know about the routing configuration?',
+        options: [
+          { text: 'We have to pass the config to our module.', correct: true },
+          { text: 'When the app is being bootstrapped.' },
+          { text: 'It is specified in tsconfig.json' },
+          { text: 'It looks for the config in router-outlet.' }
+        ],
+        explanation: 'routes are configured by defining an array of mapping between URL path and a component'
+      },
+      {
+        questionText: 'Which of the following creates an Angular module from our configuration?',
+        options: [
+          { text: 'RouterModule.forRoot', correct: true },
+          { text: 'router-outlet' },
+          { text: 'routerLink' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'RouterModule.forRoot establishes an Angular module from the routing configuration'
+      },
+      {
+        questionText: 'What tag is used to tell the router where to display a selected component?',
+        options: [
+          { text: 'routerLink' },
+          { text: '<router-outlet> tag ', correct: true },
+          { text: 'navigate' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'the router-outlet tag tells the router to display selected component(s)'
+      },
+      {
+        questionText: 'Which directive is used to provide a URL in creating a route?',
+        options: [
+          { text: 'routerLink', correct: true },
+          { text: '<router-outlet> tag' },
+          { text: 'navigate' },
+          { text: 'navigateByUrl' }
+        ],
+        explanation: 'the routerLink directive is used to provide the URL necessary for routing'
+      }
+    ]
+  },
+  {
+    quizId: 'material',
+    milestone: 'Angular Material',
+    summary: 'Angular Material provides a set of Material Design components that are consistent, versatile and look great on mobile devices.',
+    image: 'material.png',
+    questions: [
+      {
+        questionText: 'Which of the following is the official website for Angular Material?',
+        options: [
+          { text: 'https://www.angular.io' },
+          { text: 'https://www.material.io' },
+          { text: 'https://material.angular.io', correct: true },
+          { text: 'https://www.github.com/angular/material' }
+        ],
+        explanation: 'the official website for Angular Material is material.angular.io'
+      },
+      {
+        questionText: 'Where are Angular Material modules declared in NgModule?',
+        options: [
+          { text: 'imports', correct: true },
+          { text: 'declarations' },
+          { text: 'providers' },
+          { text: 'schemas' }
+        ],
+        explanation: 'the imports section of NgModule is where Angular Material modules are declared'
+      },
+      {
+        questionText: 'Which of the following is true about Angular Material Design components?',
+        options: [
+          { text: 'They are fast and consistent.' },
+          { text: 'They look great on mobile.' },
+          { text: 'They can be themed.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of these are true about Angular Material components.'
+      },
+      {
+        questionText: 'Where are Angular Material components used?',
+        options: [
+          { text: 'In the template file.', correct: true },
+          { text: 'In the TypeScript file.' },
+          { text: 'In the CSS file.' },
+          { text: 'All of the above.' }
+        ],
+        explanation: 'Angular Material components are utilized in the template file'
+      },
+      {
+        questionText: 'Which tag can be used to display a card header in Angular Material?',
+        options: [
+          { text: 'mat-card' },
+          { text: 'mat-card-avatar' },
+          { text: 'mat-card-header', correct: true },
+          { text: 'mat-card-image' }
+        ],
+        explanation: 'the mat-card-header is used to display the header information inside an Angular mat-card'
+      },
+      {
+        questionText: 'Which tag can be used to display actions in Angular Material?',
+        options: [
+          { text: 'mat-button' },
+          { text: 'mat-raised-button' },
+          { text: 'mat-card-content' },
+          { text: 'mat-card-actions', correct: true }
+        ],
+        explanation: 'the mat-card-actions tag is used to display actions inside an Angular Material template'
+      }
+    ]
+  },
+  {
+    quizId: 'forms',
+    milestone: 'Angular Forms',
+    summary: 'Angular forms build upon standard HTML forms to help create custom form controls and support easy validation.',
+    image: 'forms.png',
+    questions: [
+      {
+        questionText: 'What is the first step in using Angular Forms?',
+        options: [
+          { text: 'Add FormsModule/ReactiveFormsModule in NgModule.', correct: true },
+          { text: 'Add form tag to the template.' },
+          { text: 'Add form fields in the template.' },
+          { text: 'Add form validation fields to the TypeScript file.' }
+        ],
+        explanation: 'we must first add FormsModule to the imports section of NgModule'
+      },
+      {
+        questionText: 'What syntax is used to bind inputs to fields on the component?',
+        options: [
+          { text: '{{ngModel}}' },
+          { text: '[(ngModel)]', correct: true },
+          { text: '[ngModel]' },
+          { text: '*ngModel' }
+        ],
+        explanation: 'the "banana-in-a-box" syntax [(ngModel]] is used for binding inputs to fields'
+      },
+      {
+        questionText: 'How do you provide validation for your inputs?',
+        options: [
+          { text: 'Using required keyword', correct: true },
+          { text: 'Using valid keyword' },
+          { text: 'Using matInput' },
+          { text: 'Using mat-error' }
+        ],
+        explanation: 'by placing the "required" keyword on an input field, it marks the field for validation'
+      },
+      {
+        questionText: 'Which of the following are steps to display a validation error?',
+        options: [
+          { text: 'Use #name="ngModel" binding.', correct: true },
+          { text: 'Use usernameModel\'s errors property.', correct: true },
+          { text: 'Use mat-error.' },
+          { text: 'Use required keyword.' }
+        ],
+        explanation: 'using #name="ngModel" and using usernameModel\'s error property are the two steps to display a validation error'
+      },
+      {
+        questionText: 'Which is NOT a built-in validator that Angular provides?',
+        options: [
+          { text: 'min' },
+          { text: 'minLength' },
+          { text: 'required' },
+          { text: 'password', correct: true }
+        ],
+        explanation: 'password is not a built-in validator which Angular provides'
+      },
+      {
+        questionText: 'Which is true if the user changed the value of the input?',
+        options: [
+          { text: 'dirty', correct: true },
+          { text: 'touched' },
+          { text: 'untouched' },
+          { text: 'pristine' }
+        ],
+        explanation: 'dirty is true when the user changes the value of the input '
+      },
+      {
+        questionText: 'Which is true if the user focused on the input and then blurred without changing the value?',
+        options: [
+          { text: 'dirty' },
+          { text: 'touched', correct: true },
+          { text: 'untouched' },
+          { text: 'pristine' }
+        ],
+        explanation: 'touched is true when the user focuses on input and then blurred'
+      },
+      {
+        questionText: 'Which of the following wraps the input in an Angular Material form?',
+        options: [
+          { text: 'mat-form-field', correct: true },
+          { text: 'matInput' },
+          { text: 'mat-error' },
+          { text: 'mat-card' }
+        ],
+        explanation: 'mat-form-field surrounds the input in an Angular Material form'
+      },
+      {
+        questionText: 'How is an error shown in an Angular Material form?',
+        options: [
+          { text: 'mat-form-field' },
+          { text: 'matInput' },
+          { text: 'mat-error', correct: true },
+          { text: 'mat-card' }
+        ],
+        explanation: 'the mat-error tag is used to show an error in an Angular Material form'
+      }
+    ]
+  },
+  {
+    quizId: 'angular-cli',
+    milestone: 'Angular-CLI',
+    summary: 'The Angular CLI is a command-line interface tool used for initializing, developing, scaffolding and maintaining Angular applications.',
+    image: 'angular-cli.png',
+    questions: [
+      {
+        questionText: 'Which is a prerequisite for using Angular-CLI?',
+        options: [
+          { text: 'NodeJS', correct: true },
+          { text: 'JavaScript' },
+          { text: 'Github' },
+          { text: 'WebStorm' }
+        ],
+        explanation: 'NodeJS needs to be installed on your machine before setting up Angular-CLI'
+      },
+      {
+        questionText: 'How is Angular-CLI installed?',
+        options: [
+          { text: 'npm install -g @angular/cli', correct: true },
+          { text: 'ng new "my-app-name' },
+          { text: 'cd my-app-name' },
+          { text: 'ng serve command' }
+        ],
+        explanation: 'Angular-CLI is installed using the "npm install -g @angular/cli" command'
+      },
+      {
+        questionText: 'How can you run an app that is built with Angular-CLI?',
+        options: [
+          { text: 'ng serve', correct: true },
+          { text: 'ng new "my-app-name"' },
+          { text: 'npm start' },
+          { text: 'node -v' }
+        ],
+        explanation: 'ng serve is the command that is required to run an app built with Angular-CLI'
+      },
+      {
+        questionText: 'Which URL should be viewed in the browser to see the app running?',
+        options: [
+          { text: 'http://www.google.com' },
+          { text: 'http://angular.io' },
+          { text: 'http://localhost' },
+          { text: 'http://localhost:4200/', correct: true  }
+        ],
+        explanation: 'viewing http://localhost:4200/ allows us to view the app in the browser'
+      },
+      {
+        questionText: 'What command is used to create a new service using the Angular-CLI?',
+        options: [
+          { text: 'ng g c my-component' },
+          { text: 'ng g m my-module' },
+          { text: 'ng g s my-service', correct: true },
+          { text: 'ng g p my-pipe' }
+        ],
+        explanation: 'a service is created using the ng g s shortcut command'
+      },
+      {
+        questionText: 'Which is a true statement about the Angular CLI?',
+        options: [
+          { text: 'It is a command-line tool that makes it easy to generate new components.' },
+          { text: 'It allows for fast scaffolding of an application that works easily.' },
+          { text: 'It takes care of the build system for you.' },
+          { text: 'All of the above.', correct: true }
+        ],
+        explanation: 'all of the above are true statements about the Angular-CLI'
+      }
+    ]
+  }
+];
+
+export const QUIZ_RESOURCES: QuizResource[] = [
+  {
+    quizId: 'TS_Quiz',
+    milestone: 'TypeScript',
+    resources: [
+      {
+        title: 'TypeScript language website',
+        url: 'https://www.typescriptlang.org',
+        host: 'TypeScript website'
+      },
+      {
+        title: 'Microsoft TypeScript GitHub page',
+        url: 'https://github.com/microsoft/TypeScript',
+        host: 'GitHub'
+      },
+      {
+        title: 'TypeScript Wiki',
+        url: 'https://en.wikipedia.org/wiki/TypeScript',
+        host: 'Wikipedia'
+      },
+      {
+        title: 'TypeScript blog',
+        url: 'https://devblogs.microsoft.com/typescript/',
+        host: 'Microsoft dev blogs'
+      }
+    ]
+  },
+  {
+    quizId: 'create-first-app',
+    milestone: 'Creating your first app',
+    resources: [
+      {
+        title: 'Getting started with a basic Angular app',
+        url: 'https://angular.io/start',
+        host: 'angular.io'
+      },
+      {
+        title: 'Creating Your First Angular App: Basics',
+        url: 'https://code.tutsplus.com/tutorials/creating-your-first-angular-app-basics--cms-30092',
+        host: 'envatotuts+'
+      },
+    ]
+  },
+  {
+    quizId: 'templates',
+    milestone: 'Templates',
+    resources: [
+      {
+        title: 'Introduction to components and templates',
+        url: 'https://angular.io/guide/architecture-components#:~:text=Angular%20templates%20are%20dynamic.,component%20is%20technically%20a%20directive.',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular 4 - Templates',
+        url: 'https://www.tutorialspoint.com/angular4/angular4_templates.htm',
+        host: 'tutorialspoint'
+      },
+      {
+        title: 'Angular templates and views',
+        url: 'https://howtodoinjava.com/angular/angular-templates-and-views/#:~:text=A%20template%20is%20an%20HTML,component%20defines%20that%20component\'s%20view.',
+        host: 'HowToDoInJava'
+      }
+    ]
+  },
+  {
+    quizId: 'dependency-injection',
+    milestone: 'Dependency Injection',
+    resources: [
+      {
+        title: 'Dependency injection in Angular',
+        url: 'https://angular.io/guide/dependency-injection',
+        host: 'angular.io'
+      },
+      {
+        title: 'Dependency injection in action',
+        url: 'https://angular.io/guide/dependency-injection-in-action',
+        host: 'angular.io'
+      },
+      {
+        title: 'Introduction to services and dependency injection',
+        url: 'https://angular.io/guide/architecture-services',
+        host: 'angular.io'
+      },
+      {
+        title: 'Total Guide To Angular 6+ Dependency Injection...',
+        url: 'https://medium.com/@tomastrajan/total-guide-to-angular-6-dependency-injection-providedin-vs-providers-85b7a347b59f',
+        host: 'medium.com'
+      }
+    ]
+  },
+  {
+    quizId: 'component-tree',
+    milestone: 'Component Trees',
+    resources: [
+      {
+        title: 'Introduction to Angular concepts',
+        url: 'https://angular.io/guide/architecture',
+        host: 'angular.io'
+      },
+      {
+        title: 'Navigating the component tree with DI',
+        url: 'https://angular.io/guide/dependency-injection-navtree',
+        host: 'angular.io'
+      },
+      {
+        title: 'The Core Concepts of Angular',
+        url: 'https://vsavkin.com/the-core-concepts-of-angular-2-c3d6cbe04d04',
+        host: 'vsavkin.com'
+      }
+    ]
+  },
+  {
+    quizId: 'router',
+    milestone: 'Angular Router',
+    resources: [
+      {
+        title: 'In-app navigation: routing to views',
+        url: 'https://angular.io/guide/router',
+        host: 'angular.io'
+      },
+      {
+        title: 'API: @angular/router',
+        url: 'https://angular.io/api/router',
+        host: 'angular.io'
+      },
+      {
+        title: 'A Complete Guide To Routing In Angular',
+        url: 'https://www.smashingmagazine.com/2018/11/a-complete-guide-to-routing-in-angular/',
+        host: 'Smashing Magazine'
+      },
+      {
+        title: 'Using Route Parameters',
+        url: 'https://angular-2-training-book.rangle.io/routing/routeparams',
+        host: 'Rangle.io'
+      }
+    ]
+  },
+  {
+    quizId: 'material',
+    milestone: 'Angular Material',
+    resources: [
+      {
+        title: 'Getting Started with Angular Material',
+        url: 'https://material.angular.io/guide/getting-started',
+        host: 'Angular Material official website'
+      },
+      {
+        title: 'Angular Material UI component library',
+        url: 'https://material.angular.io',
+        host: 'Angular Material official website'
+      },
+      {
+        title: 'Material Design',
+        url: 'https://www.material.io',
+        host: 'material.io'
+      },
+      {
+        title: 'Angular Material 7 Tutorial',
+        url: 'https://www.tutorialspoint.com/angular_material7/index.htm',
+        host: 'tutorialspoint'
+      }
+    ]
+  },
+  {
+    quizId: 'forms',
+    milestone: 'Angular Forms',
+    resources: [
+      {
+        title: 'Introduction to forms in Angular',
+        url: 'https://angular.io/guide/forms-overview',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular Forms Guide - Template Driven and Reactive Forms',
+        url: 'https://blog.angular-university.io/introduction-to-angular-2-forms-template-driven-vs-model-driven/',
+        host: 'Angular University'
+      },
+      {
+        title: 'Template-Driven Form Validation In Angular',
+        url: 'https://ankitsharmablogs.com/template-driven-form-validation-in-angular/',
+        host: 'Ankit Sharma\'s Blog',
+      },
+      {
+        title: 'How to validate Angular Reactive Forms',
+        url: 'https://www.freecodecamp.org/news/how-to-validate-angular-reactive-forms/',
+        host: 'freecodecamp.org'
+      }
+    ]
+  },
+  {
+    quizId: 'angular-cli',
+    milestone: 'Angular-CLI',
+    resources: [
+      {
+        title: 'CLI Overview and Command Reference',
+        url: 'https://angular.io/cli',
+        host: 'angular.io'
+      },
+      {
+        title: 'Angular 8 Tutorial: Build your First Angular App',
+        url: 'https://www.techiediaries.com/angular-8-tutorial-build-first-angular-calculator-app/',
+        host: 'TechieDiaries'
+      },
+      {
+        title: 'Starting an Angular app with the Angular CLI',
+        url: 'https://scotch.io/courses/build-your-first-angular-website/starting-an-angular-app-with-the-angular-cli',
+        host: 'Scotch'
+      }
+    ]
+  }
+];
diff --git a/shared/models/Answer.type.ts b/shared/models/Answer.type.ts
new file mode 100644
index 000000000..ad9ac042b
--- /dev/null
+++ b/shared/models/Answer.type.ts
@@ -0,0 +1 @@
+export type Answer = number | number[] | string;
diff --git a/shared/models/Option.model.ts b/shared/models/Option.model.ts
new file mode 100644
index 000000000..3389e10a5
--- /dev/null
+++ b/shared/models/Option.model.ts
@@ -0,0 +1,7 @@
+export interface Option {
+  text: string;
+  correct?: boolean;
+  selected?: boolean;
+  className?: string;
+}
+type Options = Option[];
diff --git a/shared/models/Quiz.model.ts b/shared/models/Quiz.model.ts
new file mode 100644
index 000000000..c581924c1
--- /dev/null
+++ b/shared/models/Quiz.model.ts
@@ -0,0 +1,10 @@
+import { QuizQuestion } from './QuizQuestion.model';
+
+export interface Quiz {
+  quizId: string;
+  milestone: string;
+  summary: string;
+  image: string;
+  questions: QuizQuestion[];
+}
+
diff --git a/shared/models/QuizMetadata.model.ts b/shared/models/QuizMetadata.model.ts
new file mode 100644
index 000000000..6dc5b487c
--- /dev/null
+++ b/shared/models/QuizMetadata.model.ts
@@ -0,0 +1,10 @@
+import { Observable } from 'rxjs';
+
+export interface QuizMetadata {
+  totalQuestions: number;
+  totalQuestionsAttempted: number;
+  percentage: number;
+  correctAnswersCount$: Observable<number>;
+  completionTime: number;
+}
+
diff --git a/shared/models/QuizQuestion.model.ts b/shared/models/QuizQuestion.model.ts
new file mode 100644
index 000000000..725767f85
--- /dev/null
+++ b/shared/models/QuizQuestion.model.ts
@@ -0,0 +1,8 @@
+import { Option } from './Option.model';
+
+export interface QuizQuestion {
+  questionText: string,
+  options: Option[],
+  explanation: string
+}
+// type Questions = QuizQuestion[];
diff --git a/shared/models/QuizResource.model.ts b/shared/models/QuizResource.model.ts
new file mode 100644
index 000000000..88cc74f24
--- /dev/null
+++ b/shared/models/QuizResource.model.ts
@@ -0,0 +1,7 @@
+import { Resource } from './Resource.model';
+
+export interface QuizResource {
+  quizId: string;
+  milestone: string;
+  resources: Resource[];
+}
diff --git a/shared/models/Resource.model.ts b/shared/models/Resource.model.ts
new file mode 100644
index 000000000..df6f58296
--- /dev/null
+++ b/shared/models/Resource.model.ts
@@ -0,0 +1,6 @@
+export interface Resource {
+  title: string;
+  url: string;
+  host: string;
+}
+type Resources = Resource[];
diff --git a/shared/models/Result.model.ts b/shared/models/Result.model.ts
new file mode 100644
index 000000000..1b5e5ff0d
--- /dev/null
+++ b/shared/models/Result.model.ts
@@ -0,0 +1,5 @@
+export interface Result {
+  userAnswers: number[],
+  elapsedTimes: number[]
+}
+type Results = Result[];
diff --git a/shared/models/Score.model.ts b/shared/models/Score.model.ts
new file mode 100644
index 000000000..6a7449c61
--- /dev/null
+++ b/shared/models/Score.model.ts
@@ -0,0 +1,6 @@
+export interface Score {
+  quizId: string;
+  attemptDateTime: Date;
+  score: number;
+  totalQuestions: number;
+}
diff --git a/shared/models/index.ts b/shared/models/index.ts
new file mode 100644
index 000000000..12379bec1
--- /dev/null
+++ b/shared/models/index.ts
@@ -0,0 +1,8 @@
+export * from './Option.model';
+export * from './Quiz.model';
+export * from './QuizMetadata.model';
+export * from './QuizQuestion.model';
+export * from './QuizResource.model';
+export * from './Resource.model';
+export * from './Result.model';
+export * from './Score.model';
diff --git a/shared/services/index.ts b/shared/services/index.ts
new file mode 100644
index 000000000..d166a24ff
--- /dev/null
+++ b/shared/services/index.ts
@@ -0,0 +1,2 @@
+export { QuizService } from './quiz.service';
+export { TimerService } from './timer.service';
diff --git a/shared/services/quiz.service.ts b/shared/services/quiz.service.ts
new file mode 100644
index 000000000..13aad8ae4
--- /dev/null
+++ b/shared/services/quiz.service.ts
@@ -0,0 +1,459 @@
+<<<<<<< HEAD
+import { Injectable, OnDestroy } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { HttpClient } from '@angular/common/http';
+import { BehaviorSubject, Observable, Subject } from 'rxjs';
+import { map, takeUntil } from 'rxjs/operators';
+import { Howl } from 'howler';
+import cloneDeep from 'lodash.cloneDeep';
+
+import { QUIZ_DATA, QUIZ_RESOURCES } from '@codelab-quiz/shared/data/*';
+import { Option, Quiz, QuizQuestion, QuizResource, Resource } from '@codelab-quiz/shared/models/';
+=======
+import { Injectable } from '@angular/core';
+import { ActivatedRoute, Router } from '@angular/router';
+import { BehaviorSubject } from 'rxjs';
+import { Howl } from 'howler';
+
+import { QUIZ_DATA } from '@codelab-quiz/shared/quiz-data';
+import { Option } from '@codelab-quiz/shared/models/Option.model';
+import { Quiz } from '@codelab-quiz/shared/models/Quiz.model';
+import { QuizQuestion } from '@codelab-quiz/shared/models/QuizQuestion.model';
+import { TimerService } from '@codelab-quiz/shared/services/timer.service';
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+
+
+@Injectable({
+  providedIn: 'root'
+})
+<<<<<<< HEAD
+export class QuizService implements OnDestroy {
+  quizData: Quiz[];
+  quizInitialState: Quiz[];
+  quizResources: QuizResource[];
+  question: QuizQuestion;
+  questions: QuizQuestion[];
+  currentQuestion: QuizQuestion;
+  resources: Resource[];
+  answers: number[];
+  totalQuestions: number;
+  currentQuestionIndex = 1;
+
+  quizzes$: Observable<Quiz[]>;
+  quizName$: Observable<string>;
+  quizId: string;
+  indexOfQuizId: number;
+
+  startedQuizId: string;
+  continueQuizId: string;
+  completedQuizId: string;
+=======
+export class QuizService {
+  quizData: Quiz[] = JSON.parse(JSON.stringify(QUIZ_DATA));
+  question: QuizQuestion;
+  questions: QuizQuestion[];
+  answers: number[];
+  multipleAnswer: boolean;
+  totalQuestions: number;
+  currentQuestionIndex = 1;
+
+  quizId: string;
+  startedQuizId: string;
+  continueQuizId: string;
+  completedQuizId: string;
+  indexOfQuizId: number;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  quizCompleted: boolean;
+  status: string;
+
+  correctAnswers = [];
+  correctAnswersForEachQuestion = [];
+  correctAnswerOptions: number[] = [];
+  numberOfCorrectAnswers: number;
+<<<<<<< HEAD
+  correctAnswersCountSubject = new BehaviorSubject<number>(0);
+  userAnswers = [];
+
+=======
+  numberOfCorrectAnswersArray = [];
+  correctAnswersCountSubject = new BehaviorSubject<number>(0);
+
+  userAnswers = [];
+  previousUserAnswers: any[] = [];
+  previousUserAnswersText: any[] = [];
+  previousUserAnswersInnerText = [];
+  previousUserAnswersTextSingleAnswer: string[] = [];
+  previousUserAnswersTextMultipleAnswer: string[] = [];
+
+  explanation: string;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  explanationText: string;
+  correctOptions: string;
+  correctMessage: string;
+
+<<<<<<< HEAD
+  multipleAnswer: boolean;
+  checkedShuffle: boolean;
+
+  unsubscribe$ = new Subject<void>();
+  private url = "assets/data/quiz.json";
+
+  correctSound = new Howl({
+    src: "assets/audio/sound-correct.mp3"
+  });
+  incorrectSound = new Howl({
+    src: "assets/audio/sound-incorrect.mp3"
+  });
+
+  constructor(
+    private activatedRoute: ActivatedRoute,
+    private router: Router,
+    private http: HttpClient
+  ) {
+    this.quizData = QUIZ_DATA;
+    this.quizInitialState = cloneDeep(QUIZ_DATA);
+    this.quizResources = QUIZ_RESOURCES;
+
+    this.quizName$ = this.activatedRoute.url.pipe(
+      map((segments) => segments[1].toString())
+    );
+
+    this.activatedRoute.paramMap
+      .pipe(takeUntil(this.unsubscribe$))
+        .subscribe((params) => this.quizId = params.get('quizId'));
+
+    this.indexOfQuizId = this.quizData.findIndex(
+      (elem) => elem.quizId === this.quizId
+    );
+
+    this.returnQuizSelectionParams();
+  }
+
+  ngOnDestroy(): void {
+    this.unsubscribe$.next();
+    this.unsubscribe$.complete();
+  }
+
+  /********* getter functions ***********/
+  getQuiz(): Quiz[] {
+    return this.quizData;
+  }
+
+  getResources(): QuizResource[] {
+    return this.quizResources;
+  }
+
+  getQuizzes(): Observable<Quiz[]> {
+    return this.http.get<Quiz[]>(`${this.url}`);
+  }
+
+  getCorrectAnswers(question: QuizQuestion): Option[] {
+    if (question) {
+      const identifiedCorrectAnswers = question.options.filter((option) => option.correct);
+      this.numberOfCorrectAnswers = identifiedCorrectAnswers.length;
+      this.correctAnswerOptions = identifiedCorrectAnswers.map(
+        option => question.options.indexOf(option) + 1
+      );
+
+      this.setCorrectAnswers(question);
+      this.setCorrectMessage(this.correctAnswersForEachQuestion.sort());
+      this.setExplanationText(question);
+      return identifiedCorrectAnswers;
+=======
+  isAnswered: boolean;
+  checkedShuffle: boolean;
+
+  correctSound = new Howl({
+    src: '../../../assets/audio/sound-correct.mp3',
+    html5: true,
+    format: ['mp3', 'aac']
+  });
+  incorrectSound = new Howl({
+    src: '../../../assets/audio/sound-incorrect.mp3',
+    html5: true,
+    format: ['mp3', 'aac']
+  });
+
+
+  constructor(
+    private timerService: TimerService,
+    private activatedRoute: ActivatedRoute,
+    private router: Router
+  ) {
+    this.quizId = this.activatedRoute.snapshot.paramMap.get('quizId');
+    this.indexOfQuizId = this.quizData.findIndex(el => el.quizId === this.quizId);
+  }
+
+  getCorrectAnswers(question: QuizQuestion) {
+    if (this.question) {
+      const identifiedCorrectAnswers = question.options.filter((option) => option.correct);
+      this.correctAnswerOptions = identifiedCorrectAnswers.map((option) => question.options.indexOf(option) + 1);
+
+      this.numberOfCorrectAnswers = identifiedCorrectAnswers.length;
+      this.numberOfCorrectAnswersArray.push(this.numberOfCorrectAnswers);
+
+      this.correctAnswersForEachQuestion.push(this.correctAnswerOptions);
+      this.correctAnswers.push(this.correctAnswersForEachQuestion);
+
+      this.setCorrectAnswerMessagesAndExplanationText(this.correctAnswersForEachQuestion.sort());
+      return identifiedCorrectAnswers;
+    }
+  }
+
+  shuffledQuestions(questions: QuizQuestion[]): void {
+    for (let i = questions.length - 1; i >= 0; i--) {
+      const j = Math.floor(Math.random() * (i + 1));
+      [questions[i], questions[j]] = [questions[j], questions[i]];
+    }
+  }
+
+  shuffledAnswers(answers: Option[]): void {
+    for (let i = answers.length - 1; i >= 0; i--) {
+      const j = Math.floor(Math.random() * (i + 1));
+      [answers[i], answers[j]] = [answers[j], answers[i]];
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    }
+  }
+
+  /********* setter functions ***********/
+<<<<<<< HEAD
+  setCorrectAnswers(question: QuizQuestion): void {
+    if (question) {
+      const correctAnswerAdded = this.correctAnswers.find(q => q.questionId === question.explanation) !== undefined;
+      if (correctAnswerAdded === false) {
+        this.correctAnswersForEachQuestion.push(this.correctAnswerOptions);
+        this.correctAnswers.push({
+          questionId: question.explanation,
+          answers: this.correctAnswersForEachQuestion.sort()
+        });
+      }
+    }
+  }
+
+  setCorrectMessage(correctAnswersArray: number[]): void {
+    const correctAnswers = correctAnswersArray.flat();
+
+    for (let i = 0; i < correctAnswersArray.length; i++) {
+      if (correctAnswers[i]) {
+        this.correctOptions = correctAnswers[i].toString().concat("");
+        this.correctMessage = "The correct answer is Option " + this.correctOptions + ".";
+      }
+
+      if (correctAnswers[i] && correctAnswers[i + 1]) {
+        this.correctOptions = correctAnswers[i].toString().concat(" and " + correctAnswers[i + 1]);
+        this.correctMessage = "The correct answers are Options " + this.correctOptions + ".";
+      }
+
+      if (correctAnswers[i] && correctAnswers[i + 1] && correctAnswers[i + 2]) {
+        this.correctOptions = correctAnswers[i].toString().concat(
+                                ", ", correctAnswers[i + 1] + " and " + correctAnswers[i + 2]);
+        this.correctMessage = "The correct answers are Options " + this.correctOptions + ".";
+      }
+      if (correctAnswers.length === this.question.options.length) {
+        this.correctOptions = "ALL are correct!";
+        this.correctMessage = "ALL are correct!";
+      }
+    }
+  }
+
+  setExplanationText(question: QuizQuestion): void {
+    if (question) {
+      this.explanationText = question.explanation;
+=======
+  setCorrectAnswerMessagesAndExplanationText(correctAnswers: number[]): void {
+    if (correctAnswers[0][0]) {
+      this.correctOptions = correctAnswers[0][0];
+      this.correctMessage = 'The correct answer was Option ' + this.correctOptions + '.';
+    }
+    if (correctAnswers[0][0] && correctAnswers[0][1]) {
+      this.correctOptions = correctAnswers[0][0].toString().concat(' and ', correctAnswers[0][1]);
+      this.correctMessage = 'The correct answers were Options ' + this.correctOptions + '.';
+    }
+    if (correctAnswers[0][0] && correctAnswers[0][1] && correctAnswers[0][2]) {
+      this.correctOptions = correctAnswers[0][0].toString().concat(', ', correctAnswers[0][1], ' and ', correctAnswers[0][2]);
+      this.correctMessage = 'The correct answers were Options ' + this.correctOptions + '.';
+    }
+    if (correctAnswers[0][0] && correctAnswers[0][1] && correctAnswers[0][2] && correctAnswers[0][3]) {
+      this.explanationText = 'All were correct!';
+      this.correctMessage = 'All were correct!';
+    }
+    this.explanationText = this.question.explanation;
+  }
+
+  // set the text of the previous user answers in an array to show in the following quiz
+  setPreviousUserAnswersText(previousAnswers, questions: QuizQuestion[]): void {
+    for (let i = 0; i < previousAnswers.length; i++) {
+      if (previousAnswers[i].length === 1) {
+        const previousAnswersString = questions[i].options[previousAnswers[i] - 1].text;
+        this.previousUserAnswersText.push(previousAnswersString);
+      }
+      if (previousAnswers[i].length > 1) {
+        const previousAnswerOptionsInner = previousAnswers[i].slice();
+        for (let j = 0; j < previousAnswerOptionsInner.length; j++) {
+          const previousAnswersInnerString = questions[i].options[previousAnswerOptionsInner[j] - 1].text;
+          this.previousUserAnswersInnerText.push(previousAnswersInnerString);
+        }
+        this.previousUserAnswersText.push(this.previousUserAnswersInnerText);
+      }
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+    }
+  }
+
+  setQuizStatus(value: string): void {
+    this.status = value;
+  }
+
+  setQuizId(value: string): void {
+    this.quizId = value;
+  }
+
+<<<<<<< HEAD
+  setStartedQuizId(value: string) {
+    this.startedQuizId = value;
+  }
+
+  setContinueQuizId(value: string) {
+    this.continueQuizId = value;
+  }
+
+=======
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  setCompletedQuizId(value: string) {
+    this.completedQuizId = value;
+  }
+
+  setQuestion(value: QuizQuestion): void {
+    this.question = value;
+  }
+
+  setQuestions(value: QuizQuestion[]): void {
+    this.questions = value;
+  }
+
+  setTotalQuestions(value: number): void {
+    this.totalQuestions = value;
+  }
+
+<<<<<<< HEAD
+=======
+  setPreviousUserAnswers(value: any) {
+    this.previousUserAnswers = value;
+  }
+
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  setChecked(value: boolean): void {
+    this.checkedShuffle = value;
+  }
+
+  setMultipleAnswer(value: boolean): void {
+    this.multipleAnswer = value;
+  }
+
+<<<<<<< HEAD
+  setCurrentQuestion(value: QuizQuestion): void {
+    this.currentQuestion = value;
+  }
+
+  setResources(value: Resource[]): void {
+    this.resources = value;
+=======
+  setIsAnswered(value: boolean): void {
+    this.isAnswered = value;
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+
+  sendCorrectCountToResults(value: number): void {
+    this.correctAnswersCountSubject.next(value);
+  }
+
+<<<<<<< HEAD
+  // generically shuffle arrays in-place using Durstenfeld's shuffling algorithm
+  shuffle<T>(arg: T[]): void {
+    for (let i = arg.length - 1; i >= 0; i--) {
+      const j = Math.floor(Math.random() * (i + 1));
+      [arg[i], arg[j]] = [arg[j], arg[i]];
+    }
+  }
+
+  returnQuizSelectionParams(): Object {
+    return new Object({
+      startedQuizId: this.startedQuizId,
+      continueQuizId: this.continueQuizId,
+      completedQuizId: this.completedQuizId,
+      quizCompleted: this.quizCompleted,
+      status: this.status
+    });
+  }
+
+  /********* navigation functions ***********/
+  navigateToNextQuestion(): void {
+    this.quizCompleted = false;
+    this.currentQuestionIndex++;
+    const questionIndex = this.currentQuestionIndex;
+    this.router.navigate(["/quiz/question/", this.quizId, questionIndex]).then();
+    this.resetAll();
+  }
+
+  navigateToPreviousQuestion(): void {
+    this.quizCompleted = false;
+    this.router.navigate(["/quiz/question/", this.quizId, this.currentQuestionIndex - 1]).then();
+    this.resetAll();
+  }
+
+  navigateToResults(): void {
+    this.quizCompleted = true;
+    this.router.navigate(["/quiz/results/", this.quizId]).then();
+  }
+
+  /********* reset functions ***********/
+  resetQuestions(): void {
+    this.quizData = cloneDeep(this.quizInitialState);
+  }
+
+  resetAll(): void {
+    this.answers = null;
+    this.correctAnswersForEachQuestion = [];
+    this.correctAnswerOptions = [];
+    this.correctOptions = "";
+    this.correctMessage = "";
+    this.explanationText = "";
+    this.currentQuestionIndex = 0;
+=======
+  /********* navigation functions ***********/
+  navigateToNextQuestion() {
+    this.quizCompleted = false;
+    this.currentQuestionIndex++;
+    const questionIndex = this.currentQuestionIndex;
+    this.router.navigate(['/quiz/question/', this.quizId, questionIndex]).then();
+    this.resetAll();
+    this.timerService.resetTimer();
+  }
+
+  navigateToPreviousQuestion() {
+    this.quizCompleted = false;
+    this.router.navigate(['/quiz/question/', this.quizId, this.currentQuestionIndex - 1]).then();
+    this.resetAll();
+  }
+
+  navigateToResults() {
+    this.quizCompleted = true;
+    this.router.navigate(['/quiz/results/', this.quizId]).then();
+  }
+
+  resetQuestions() {
+    this.quizData = JSON.parse(JSON.stringify(QUIZ_DATA));
+  }
+
+  resetAll() {
+    this.answers = null;
+    this.correctAnswersForEachQuestion = [];
+    this.correctAnswerOptions = [];
+    this.correctOptions = '';
+    this.correctMessage = '';
+    this.explanationText = '';
+    this.currentQuestionIndex = 0;
+    this.timerService.stopTimer();
+    this.timerService.resetTimer();
+>>>>>>> 035150f6244b14c2b94304c0793372e3f9d745f6
+  }
+}
diff --git a/shared/services/timer.service.ts b/shared/services/timer.service.ts
new file mode 100644
index 000000000..9baec4055
--- /dev/null
+++ b/shared/services/timer.service.ts
@@ -0,0 +1,58 @@
+import { Injectable } from '@angular/core';
+import { BehaviorSubject, Observable } from 'rxjs';
+import { shareReplay } from 'rxjs/operators';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class TimerService {
+  timePerQuestion = 20;
+  elapsedTime = 0;
+  elapsedTimes: number[] = [];
+  completionTime: number;
+
+  start$: Observable<number>;
+  reset$: Observable<number>;
+  stop$: Observable<number>;
+  timer: Observable<number>;
+  isStart = new BehaviorSubject<number>(1);
+  isStop = new BehaviorSubject<number>(1);
+  isReset = new BehaviorSubject<number>(1);
+  isTimerStart = false;
+
+  constructor() {
+    this.start$ = this.isStart.asObservable().pipe(shareReplay(1));
+    this.reset$ = this.isReset.asObservable();
+    this.stop$ = this.isStop.asObservable();
+  }
+
+  stopTimer(): void {
+    if (!this.isTimerStart) {
+      return;
+    }
+    this.isTimerStart = false;
+    this.timePerQuestion = 0;
+    this.isStop.next(1);
+    this.elapsedTimes.push(this.elapsedTime);
+  }
+
+  resetTimer(): void {
+    if (!this.isTimerStart) {
+      this.isTimerStart = true;
+      this.isStart.next(1);
+    }
+    this.isTimerStart = true;
+    this.isReset.next(1);
+  }
+
+  setElapsed(time: number): void {
+    this.elapsedTime = time;
+  }
+
+  calculateTotalElapsedTime(elapsedTimes: number[]): number {
+    if (elapsedTimes.length > 0) {
+      this.completionTime = elapsedTimes.reduce((acc, cur) => acc + cur, 0);
+      return this.completionTime;
+    }
+  }
+}
diff --git a/src/app/app-routing.module.ts b/src/app/app-routing.module.ts
new file mode 100644
index 000000000..06c734263
--- /dev/null
+++ b/src/app/app-routing.module.ts
@@ -0,0 +1,11 @@
+import { NgModule } from '@angular/core';
+import { Routes, RouterModule } from '@angular/router';
+
+
+const routes: Routes = [];
+
+@NgModule({
+  imports: [RouterModule.forRoot(routes)],
+  exports: [RouterModule]
+})
+export class AppRoutingModule { }
diff --git a/src/app/app.component.html b/src/app/app.component.html
new file mode 100644
index 000000000..e48d8c109
--- /dev/null
+++ b/src/app/app.component.html
@@ -0,0 +1,534 @@
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * The content below * * * * * * * * * * * -->
+<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
+<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * Delete the template below * * * * * * * * * * -->
+<!-- * * * * * * * to get started with your project! * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+
+<style>
+  :host {
+    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
+    font-size: 14px;
+    color: #333;
+    box-sizing: border-box;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+  }
+
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6 {
+    margin: 8px 0;
+  }
+
+  p {
+    margin: 0;
+  }
+
+  .spacer {
+    flex: 1;
+  }
+
+  .toolbar {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    height: 60px;
+    display: flex;
+    align-items: center;
+    background-color: #1976d2;
+    color: white;
+    font-weight: 600;
+  }
+
+  .toolbar img {
+    margin: 0 16px;
+  }
+
+  .toolbar #twitter-logo {
+    height: 40px;
+    margin: 0 16px;
+  }
+
+  .toolbar #twitter-logo:hover {
+    opacity: 0.8;
+  }
+
+  .content {
+    display: flex;
+    margin: 82px auto 32px;
+    padding: 0 16px;
+    max-width: 960px;
+    flex-direction: column;
+    align-items: center;
+  }
+
+  svg.material-icons {
+    height: 24px;
+    width: auto;
+  }
+
+  svg.material-icons:not(:last-child) {
+    margin-right: 8px;
+  }
+
+  .card svg.material-icons path {
+    fill: #888;
+  }
+
+  .card-container {
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: center;
+    margin-top: 16px;
+  }
+
+  .card {
+    border-radius: 4px;
+    border: 1px solid #eee;
+    background-color: #fafafa;
+    height: 40px;
+    width: 200px;
+    margin: 0 8px 16px;
+    padding: 16px;
+    display: flex;
+    flex-direction: row;
+    justify-content: center;
+    align-items: center;
+    transition: all 0.2s ease-in-out;
+    line-height: 24px;
+  }
+
+  .card-container .card:not(:last-child) {
+    margin-right: 0;
+  }
+
+  .card.card-small {
+    height: 16px;
+    width: 168px;
+  }
+
+  .card-container .card:not(.highlight-card) {
+    cursor: pointer;
+  }
+
+  .card-container .card:not(.highlight-card):hover {
+    transform: translateY(-3px);
+    box-shadow: 0 4px 17px rgba(0, 0, 0, 0.35);
+  }
+
+  .card-container .card:not(.highlight-card):hover .material-icons path {
+    fill: rgb(105, 103, 103);
+  }
+
+  .card.highlight-card {
+    background-color: #1976d2;
+    color: white;
+    font-weight: 600;
+    border: none;
+    width: auto;
+    min-width: 30%;
+    position: relative;
+  }
+
+  .card.card.highlight-card span {
+    margin-left: 60px;
+  }
+
+  svg#rocket {
+    width: 80px;
+    position: absolute;
+    left: -10px;
+    top: -24px;
+  }
+
+  svg#rocket-smoke {
+    height: calc(100vh - 95px);
+    position: absolute;
+    top: 10px;
+    right: 180px;
+    z-index: -10;
+  }
+
+  a,
+  a:visited,
+  a:hover {
+    color: #1976d2;
+    text-decoration: none;
+  }
+
+  a:hover {
+    color: #125699;
+  }
+
+  .terminal {
+    position: relative;
+    width: 80%;
+    max-width: 600px;
+    border-radius: 6px;
+    padding-top: 45px;
+    margin-top: 8px;
+    overflow: hidden;
+    background-color: rgb(15, 15, 16);
+  }
+
+  .terminal::before {
+    content: "\2022 \2022 \2022";
+    position: absolute;
+    top: 0;
+    left: 0;
+    height: 4px;
+    background: rgb(58, 58, 58);
+    color: #c2c3c4;
+    width: 100%;
+    font-size: 2rem;
+    line-height: 0;
+    padding: 14px 0;
+    text-indent: 4px;
+  }
+
+  .terminal pre {
+    font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
+    color: white;
+    padding: 0 1rem 1rem;
+    margin: 0;
+  }
+
+  .circle-link {
+    height: 40px;
+    width: 40px;
+    border-radius: 40px;
+    margin: 8px;
+    background-color: white;
+    border: 1px solid #eeeeee;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    cursor: pointer;
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
+    transition: 1s ease-out;
+  }
+
+  .circle-link:hover {
+    transform: translateY(-0.25rem);
+    box-shadow: 0px 3px 15px rgba(0, 0, 0, 0.2);
+  }
+
+  footer {
+    margin-top: 8px;
+    display: flex;
+    align-items: center;
+    line-height: 20px;
+  }
+
+  footer a {
+    display: flex;
+    align-items: center;
+  }
+
+  .github-star-badge {
+    color: #24292e;
+    display: flex;
+    align-items: center;
+    font-size: 12px;
+    padding: 3px 10px;
+    border: 1px solid rgba(27,31,35,.2);
+    border-radius: 3px;
+    background-image: linear-gradient(-180deg,#fafbfc,#eff3f6 90%);
+    margin-left: 4px;
+    font-weight: 600;
+    font-family: -apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;
+  }
+
+  .github-star-badge:hover {
+    background-image: linear-gradient(-180deg,#f0f3f6,#e6ebf1 90%);
+    border-color: rgba(27,31,35,.35);
+    background-position: -.5em;
+  }
+
+  .github-star-badge .material-icons {
+    height: 16px;
+    width: 16px;
+    margin-right: 4px;
+  }
+
+  svg#clouds {
+    position: fixed;
+    bottom: -160px;
+    left: -230px;
+    z-index: -10;
+    width: 1920px;
+  }
+
+
+  /* Responsive Styles */
+  @media screen and (max-width: 767px) {
+
+    .card-container > *:not(.circle-link) ,
+    .terminal {
+      width: 100%;
+    }
+
+    .card:not(.highlight-card) {
+      height: 16px;
+      margin: 8px 0;
+    }
+
+    .card.highlight-card span {
+      margin-left: 72px;
+    }
+
+    svg#rocket-smoke {
+      right: 120px;
+      transform: rotate(-5deg);
+    }
+  }
+
+  @media screen and (max-width: 575px) {
+    svg#rocket-smoke {
+      display: none;
+      visibility: hidden;
+    }
+  }
+</style>
+
+<!-- Toolbar -->
+<div class="toolbar" role="banner">
+  <img
+    width="40"
+    alt="Angular Logo"
+    src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg=="
+  />
+  <span>Welcome</span>
+    <div class="spacer"></div>
+    <a aria-label="Angular on twitter" target="_blank" rel="noopener" href="https://twitter.com/angular" title="Twitter">
+      <svg id="twitter-logo" height="24" data-name="Logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400">
+        <rect width="400" height="400" fill="none"/>
+        <path d="M153.62,301.59c94.34,0,145.94-78.16,145.94-145.94,0-2.22,0-4.43-.15-6.63A104.36,104.36,0,0,0,325,122.47a102.38,102.38,0,0,1-29.46,8.07,51.47,51.47,0,0,0,22.55-28.37,102.79,102.79,0,0,1-32.57,12.45,51.34,51.34,0,0,0-87.41,46.78A145.62,145.62,0,0,1,92.4,107.81a51.33,51.33,0,0,0,15.88,68.47A50.91,50.91,0,0,1,85,169.86c0,.21,0,.43,0,.65a51.31,51.31,0,0,0,41.15,50.28,51.21,51.21,0,0,1-23.16.88,51.35,51.35,0,0,0,47.92,35.62,102.92,102.92,0,0,1-63.7,22A104.41,104.41,0,0,1,75,278.55a145.21,145.21,0,0,0,78.62,23" fill="#fff"/>
+      </svg>
+    </a>
+</div>
+
+<div class="content" role="main">
+
+  <!-- Highlight Card -->
+  <div class="card highlight-card card-small">
+
+    <svg id="rocket" alt="Rocket Ship" xmlns="http://www.w3.org/2000/svg" width="101.678" height="101.678" viewBox="0 0 101.678 101.678">
+      <g id="Group_83" data-name="Group 83" transform="translate(-141 -696)">
+        <circle id="Ellipse_8" data-name="Ellipse 8" cx="50.839" cy="50.839" r="50.839" transform="translate(141 696)" fill="#dd0031"/>
+        <g id="Group_47" data-name="Group 47" transform="translate(165.185 720.185)">
+          <path id="Path_33" data-name="Path 33" d="M3.4,42.615a3.084,3.084,0,0,0,3.553,3.553,21.419,21.419,0,0,0,12.215-6.107L9.511,30.4A21.419,21.419,0,0,0,3.4,42.615Z" transform="translate(0.371 3.363)" fill="#fff"/>
+          <path id="Path_34" data-name="Path 34" d="M53.3,3.221A3.09,3.09,0,0,0,50.081,0,48.227,48.227,0,0,0,18.322,13.437c-6-1.666-14.991-1.221-18.322,7.218A33.892,33.892,0,0,1,9.439,25.1l-.333.666a3.013,3.013,0,0,0,.555,3.553L23.985,43.641a2.9,2.9,0,0,0,3.553.555l.666-.333A33.892,33.892,0,0,1,32.647,53.3c8.55-3.664,8.884-12.326,7.218-18.322A48.227,48.227,0,0,0,53.3,3.221ZM34.424,9.772a6.439,6.439,0,1,1,9.106,9.106,6.368,6.368,0,0,1-9.106,0A6.467,6.467,0,0,1,34.424,9.772Z" transform="translate(0 0.005)" fill="#fff"/>
+        </g>
+      </g>
+    </svg>
+
+    <span>{{ title }} app is running!</span>
+
+    <svg id="rocket-smoke" alt="Rocket Ship Smoke" xmlns="http://www.w3.org/2000/svg" width="516.119" height="1083.632" viewBox="0 0 516.119 1083.632">
+      <path id="Path_40" data-name="Path 40" d="M644.6,141S143.02,215.537,147.049,870.207s342.774,201.755,342.774,201.755S404.659,847.213,388.815,762.2c-27.116-145.51-11.551-384.124,271.9-609.1C671.15,139.365,644.6,141,644.6,141Z" transform="translate(-147.025 -140.939)" fill="#f5f5f5"/>
+    </svg>
+
+  </div>
+
+  <!-- Resources -->
+  <h2>Resources</h2>
+  <p>Here are some links to help you get started:</p>
+
+  <div class="card-container">
+    <a class="card" target="_blank" rel="noopener" href="https://angular.io/tutorial">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M5 13.18v4L12 21l7-3.82v-4L12 17l-7-3.82zM12 3L1 9l11 6 9-4.91V17h2V9L12 3z"/></svg>
+
+      <span>Learn Angular</span>
+
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>    </a>
+
+    <a class="card" target="_blank" rel="noopener" href="https://angular.io/cli">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M9.4 16.6L4.8 12l4.6-4.6L8 6l-6 6 6 6 1.4-1.4zm5.2 0l4.6-4.6-4.6-4.6L16 6l6 6-6 6-1.4-1.4z"/></svg>
+
+      <span>CLI Documentation</span>
+
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>
+    </a>
+
+    <a class="card" target="_blank" rel="noopener" href="https://blog.angular.io/">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M13.5.67s.74 2.65.74 4.8c0 2.06-1.35 3.73-3.41 3.73-2.07 0-3.63-1.67-3.63-3.73l.03-.36C5.21 7.51 4 10.62 4 14c0 4.42 3.58 8 8 8s8-3.58 8-8C20 8.61 17.41 3.8 13.5.67zM11.71 19c-1.78 0-3.22-1.4-3.22-3.14 0-1.62 1.05-2.76 2.81-3.12 1.77-.36 3.6-1.21 4.62-2.58.39 1.29.59 2.65.59 4.04 0 2.65-2.15 4.8-4.8 4.8z"/></svg>
+
+      <span>Angular Blog</span>
+
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/></svg>
+    </a>
+
+  </div>
+
+  <!-- Next Steps -->
+  <h2>Next Steps</h2>
+  <p>What do you want to do next with your app?</p>
+
+  <input type="hidden" #selection>
+
+  <div class="card-container">
+    <div class="card card-small" (click)="selection.value = 'component'" tabindex="0">
+        <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+
+      <span>New Component</span>
+    </div>
+
+    <div class="card card-small" (click)="selection.value = 'material'" tabindex="0">
+        <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+
+      <span>Angular Material</span>
+    </div>
+
+    <div class="card card-small" (click)="selection.value = 'pwa'" tabindex="0">
+        <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+
+      <span>Add PWA Support</span>
+    </div>
+
+    <div class="card card-small" (click)="selection.value = 'dependency'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+
+      <span>Add Dependency</span>
+    </div>
+
+    <div class="card card-small" (click)="selection.value = 'test'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+
+      <span>Run and Watch Tests</span>
+    </div>
+
+    <div class="card card-small" (click)="selection.value = 'build'" tabindex="0">
+      <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M19 13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/></svg>
+
+      <span>Build for Production</span>
+    </div>
+  </div>
+
+  <!-- Terminal -->
+  <div class="terminal" [ngSwitch]="selection.value">
+      <pre *ngSwitchDefault>ng generate component xyz</pre>
+      <pre *ngSwitchCase="'material'">ng add @angular/material</pre>
+      <pre *ngSwitchCase="'pwa'">ng add @angular/pwa</pre>
+      <pre *ngSwitchCase="'dependency'">ng add _____</pre>
+      <pre *ngSwitchCase="'test'">ng test</pre>
+      <pre *ngSwitchCase="'build'">ng build --prod</pre>
+  </div>
+
+  <!-- Links -->
+  <div class="card-container">
+    <a class="circle-link" title="Animations" href="https://angular.io/guide/animations" target="_blank" rel="noopener">
+      <svg id="Group_20" data-name="Group 20" xmlns="http://www.w3.org/2000/svg" width="21.813" height="23.453" viewBox="0 0 21.813 23.453">
+        <path id="Path_15" data-name="Path 15" d="M4099.584,972.736h0l-10.882,3.9,1.637,14.4,9.245,5.153,9.245-5.153,1.686-14.4Z" transform="translate(-4088.702 -972.736)" fill="#ffa726"/>
+        <path id="Path_16" data-name="Path 16" d="M4181.516,972.736v23.453l9.245-5.153,1.686-14.4Z" transform="translate(-4170.633 -972.736)" fill="#fb8c00"/>
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+      </svg>
+    </a>
+
+    <a class="circle-link" title="CLI" href="https://cli.angular.io/" target="_blank" rel="noopener">
+      <svg alt="Angular CLI Logo" xmlns="http://www.w3.org/2000/svg" width="21.762" height="23.447" viewBox="0 0 21.762 23.447">
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+
+    <a class="circle-link" title="Augury" href="https://augury.rangle.io/" target="_blank" rel="noopener">
+      <svg alt="Angular Augury Logo" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="21.81" height="23.447" viewBox="0 0 21.81 23.447">
+        <defs>
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+          <path id="Path_25" data-name="Path 25" d="M3862.088,311.417v23.447l9.244-5.152,1.685-14.4Z" transform="translate(-3851.207 -311.417)" fill="#311b92"/>
+          <g id="Group_24" data-name="Group 24" transform="translate(6.194 6.73)" opacity="0.5">
+            <g id="Group_23" data-name="Group 23" transform="translate(0 0)">
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+            </g>
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+        </g>
+      </svg>
+    </a>
+
+    <a class="circle-link" title="Protractor" href="https://www.protractortest.org/" target="_blank" rel="noopener">
+      <svg alt="Angular Protractor Logo" xmlns="http://www.w3.org/2000/svg" width="21.81" height="23.447" viewBox="0 0 21.81 23.447">
+        <g id="Group_26" data-name="Group 26" transform="translate(0)">
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+        </g>
+      </svg>
+    </a>
+
+    <a class="circle-link" title="Find a Local Meetup" href="https://www.meetup.com/find/?keywords=angular" target="_blank" rel="noopener">
+      <svg alt="Meetup Logo" xmlns="http://www.w3.org/2000/svg" width="24.607" height="23.447" viewBox="0 0 24.607 23.447">
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+      </svg>
+    </a>
+
+    <a class="circle-link" title="Join the Conversation on Gitter" href="https://gitter.im/angular/angular" target="_blank" rel="noopener">
+      <svg alt="Gitter Logo" xmlns="http://www.w3.org/2000/svg" width="19.447" height="19.447" viewBox="0 0 19.447 19.447">
+        <g id="Group_40" data-name="Group 40" transform="translate(-1612 -405)">
+          <rect id="Rectangle_19" data-name="Rectangle 19" width="19.447" height="19.447" transform="translate(1612 405)" fill="#e60257"/>
+          <g id="gitter" transform="translate(1617.795 408.636)">
+            <g id="Group_33" data-name="Group 33" transform="translate(0 0)">
+              <rect id="Rectangle_15" data-name="Rectangle 15" width="1.04" height="9.601" transform="translate(2.304 2.324)" fill="#fff"/>
+              <rect id="Rectangle_16" data-name="Rectangle 16" width="1.04" height="9.601" transform="translate(4.607 2.324)" fill="#fff"/>
+              <rect id="Rectangle_17" data-name="Rectangle 17" width="1.04" height="4.648" transform="translate(6.91 2.324)" fill="#fff"/>
+              <rect id="Rectangle_18" data-name="Rectangle 18" width="1.04" height="6.971" transform="translate(0 0)" fill="#fff"/>
+            </g>
+          </g>
+        </g>
+      </svg>
+    </a>
+  </div>
+
+  <!-- Footer -->
+  <footer>
+      Love Angular?&nbsp;
+      <a href="https://github.com/angular/angular" target="_blank" rel="noopener"> Give our repo a star.
+        <div class="github-star-badge">
+            <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M12 17.27L18.18 21l-1.64-7.03L22 9.24l-7.19-.61L12 2 9.19 8.63 2 9.24l5.46 4.73L5.82 21z"/></svg>
+          Star
+        </div>
+      </a>
+      <a href="https://github.com/angular/angular" target="_blank" rel="noopener">
+        <svg class="material-icons" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z" fill="#1976d2"/><path d="M0 0h24v24H0z" fill="none"/></svg>
+      </a>
+  </footer>
+
+  <svg id="clouds" alt="Gray Clouds Background" xmlns="http://www.w3.org/2000/svg" width="2611.084" height="485.677" viewBox="0 0 2611.084 485.677">
+    <path id="Path_39" data-name="Path 39" d="M2379.709,863.793c10-93-77-171-168-149-52-114-225-105-264,15-75,3-140,59-152,133-30,2.83-66.725,9.829-93.5,26.25-26.771-16.421-63.5-23.42-93.5-26.25-12-74-77-130-152-133-39-120-212-129-264-15-54.084-13.075-106.753,9.173-138.488,48.9-31.734-39.726-84.4-61.974-138.487-48.9-52-114-225-105-264,15a162.027,162.027,0,0,0-103.147,43.044c-30.633-45.365-87.1-72.091-145.206-58.044-52-114-225-105-264,15-75,3-140,59-152,133-53,5-127,23-130,83-2,42,35,72,70,86,49,20,106,18,157,5a165.625,165.625,0,0,0,120,0c47,94,178,113,251,33,61.112,8.015,113.854-5.72,150.492-29.764a165.62,165.62,0,0,0,110.861-3.236c47,94,178,113,251,33,31.385,4.116,60.563,2.495,86.487-3.311,25.924,5.806,55.1,7.427,86.488,3.311,73,80,204,61,251-33a165.625,165.625,0,0,0,120,0c51,13,108,15,157-5a147.188,147.188,0,0,0,33.5-18.694,147.217,147.217,0,0,0,33.5,18.694c49,20,106,18,157,5a165.625,165.625,0,0,0,120,0c47,94,178,113,251,33C2446.709,1093.793,2554.709,922.793,2379.709,863.793Z" transform="translate(142.69 -634.312)" fill="#eee"/>
+  </svg>
+
+</div>
+
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * The content above * * * * * * * * * * * -->
+<!-- * * * * * * * * * * is only a placeholder * * * * * * * * * * -->
+<!-- * * * * * * * * * * and can be replaced. * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+<!-- * * * * * * * * * * End of Placeholder * * * * * * * * * * * -->
+<!-- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * -->
+
+
+
+<router-outlet></router-outlet>
\ No newline at end of file
diff --git a/src/app/app.component.scss b/src/app/app.component.scss
new file mode 100644
index 000000000..e69de29bb
diff --git a/src/app/app.component.spec.ts b/src/app/app.component.spec.ts
new file mode 100644
index 000000000..8889fbe34
--- /dev/null
+++ b/src/app/app.component.spec.ts
@@ -0,0 +1,35 @@
+import { TestBed, async } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+import { AppComponent } from './app.component';
+
+describe('AppComponent', () => {
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [
+        RouterTestingModule
+      ],
+      declarations: [
+        AppComponent
+      ],
+    }).compileComponents();
+  }));
+
+  it('should create the app', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app).toBeTruthy();
+  });
+
+  it(`should have as title 'quiz'`, () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.componentInstance;
+    expect(app.title).toEqual('quiz');
+  });
+
+  it('should render title', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    const compiled = fixture.nativeElement;
+    expect(compiled.querySelector('.content span').textContent).toContain('quiz app is running!');
+  });
+});
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
new file mode 100644
index 000000000..4198b6a4f
--- /dev/null
+++ b/src/app/app.component.ts
@@ -0,0 +1,10 @@
+import { Component } from '@angular/core';
+
+@Component({
+  selector: 'app-root',
+  templateUrl: './app.component.html',
+  styleUrls: ['./app.component.scss']
+})
+export class AppComponent {
+  title = 'quiz';
+}
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
new file mode 100644
index 000000000..2c3ba2995
--- /dev/null
+++ b/src/app/app.module.ts
@@ -0,0 +1,18 @@
+import { BrowserModule } from '@angular/platform-browser';
+import { NgModule } from '@angular/core';
+
+import { AppRoutingModule } from './app-routing.module';
+import { AppComponent } from './app.component';
+
+@NgModule({
+  declarations: [
+    AppComponent
+  ],
+  imports: [
+    BrowserModule,
+    AppRoutingModule
+  ],
+  providers: [],
+  bootstrap: [AppComponent]
+})
+export class AppModule { }
diff --git a/src/assets/.gitkeep b/src/assets/.gitkeep
new file mode 100644
index 000000000..e69de29bb
diff --git a/src/environments/environment.prod.ts b/src/environments/environment.prod.ts
new file mode 100644
index 000000000..3612073bc
--- /dev/null
+++ b/src/environments/environment.prod.ts
@@ -0,0 +1,3 @@
+export const environment = {
+  production: true
+};
diff --git a/src/environments/environment.ts b/src/environments/environment.ts
new file mode 100644
index 000000000..7b4f817ad
--- /dev/null
+++ b/src/environments/environment.ts
@@ -0,0 +1,16 @@
+// This file can be replaced during build by using the `fileReplacements` array.
+// `ng build --prod` replaces `environment.ts` with `environment.prod.ts`.
+// The list of file replacements can be found in `angular.json`.
+
+export const environment = {
+  production: false
+};
+
+/*
+ * For easier debugging in development mode, you can import the following file
+ * to ignore zone related error stack frames such as `zone.run`, `zoneDelegate.invokeTask`.
+ *
+ * This import should be commented out in production mode because it will have a negative impact
+ * on performance if an error is thrown.
+ */
+// import 'zone.js/dist/zone-error';  // Included with Angular CLI.
diff --git a/src/favicon.ico b/src/favicon.ico
new file mode 100644
index 000000000..997406ad2
Binary files /dev/null and b/src/favicon.ico differ
diff --git a/src/index.html b/src/index.html
new file mode 100644
index 000000000..d51364b6c
--- /dev/null
+++ b/src/index.html
@@ -0,0 +1,13 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <title>Quiz</title>
+  <base href="/">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <link rel="icon" type="image/x-icon" href="favicon.ico">
+</head>
+<body>
+  <app-root></app-root>
+</body>
+</html>
diff --git a/src/main.ts b/src/main.ts
new file mode 100644
index 000000000..c7b673cf4
--- /dev/null
+++ b/src/main.ts
@@ -0,0 +1,12 @@
+import { enableProdMode } from '@angular/core';
+import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
+
+import { AppModule } from './app/app.module';
+import { environment } from './environments/environment';
+
+if (environment.production) {
+  enableProdMode();
+}
+
+platformBrowserDynamic().bootstrapModule(AppModule)
+  .catch(err => console.error(err));
diff --git a/src/polyfills.ts b/src/polyfills.ts
new file mode 100644
index 000000000..03711e5d9
--- /dev/null
+++ b/src/polyfills.ts
@@ -0,0 +1,63 @@
+/**
+ * This file includes polyfills needed by Angular and is loaded before the app.
+ * You can add your own extra polyfills to this file.
+ *
+ * This file is divided into 2 sections:
+ *   1. Browser polyfills. These are applied before loading ZoneJS and are sorted by browsers.
+ *   2. Application imports. Files imported after ZoneJS that should be loaded before your main
+ *      file.
+ *
+ * The current setup is for so-called "evergreen" browsers; the last versions of browsers that
+ * automatically update themselves. This includes Safari >= 10, Chrome >= 55 (including Opera),
+ * Edge >= 13 on the desktop, and iOS 10 and Chrome on mobile.
+ *
+ * Learn more in https://angular.io/guide/browser-support
+ */
+
+/***************************************************************************************************
+ * BROWSER POLYFILLS
+ */
+
+/** IE10 and IE11 requires the following for NgClass support on SVG elements */
+// import 'classlist.js';  // Run `npm install --save classlist.js`.
+
+/**
+ * Web Animations `@angular/platform-browser/animations`
+ * Only required if AnimationBuilder is used within the application and using IE/Edge or Safari.
+ * Standard animation support in Angular DOES NOT require any polyfills (as of Angular 6.0).
+ */
+// import 'web-animations-js';  // Run `npm install --save web-animations-js`.
+
+/**
+ * By default, zone.js will patch all possible macroTask and DomEvents
+ * user can disable parts of macroTask/DomEvents patch by setting following flags
+ * because those flags need to be set before `zone.js` being loaded, and webpack
+ * will put import in the top of bundle, so user need to create a separate file
+ * in this directory (for example: zone-flags.ts), and put the following flags
+ * into that file, and then add the following code before importing zone.js.
+ * import './zone-flags';
+ *
+ * The flags allowed in zone-flags.ts are listed here.
+ *
+ * The following flags will work for all browsers.
+ *
+ * (window as any).__Zone_disable_requestAnimationFrame = true; // disable patch requestAnimationFrame
+ * (window as any).__Zone_disable_on_property = true; // disable patch onProperty such as onclick
+ * (window as any).__zone_symbol__UNPATCHED_EVENTS = ['scroll', 'mousemove']; // disable patch specified eventNames
+ *
+ *  in IE/Edge developer tools, the addEventListener will also be wrapped by zone.js
+ *  with the following flag, it will bypass `zone.js` patch for IE/Edge
+ *
+ *  (window as any).__Zone_enable_cross_context_check = true;
+ *
+ */
+
+/***************************************************************************************************
+ * Zone JS is required by default for Angular itself.
+ */
+import 'zone.js/dist/zone';  // Included with Angular CLI.
+
+
+/***************************************************************************************************
+ * APPLICATION IMPORTS
+ */
diff --git a/src/styles.scss b/src/styles.scss
new file mode 100644
index 000000000..90d4ee007
--- /dev/null
+++ b/src/styles.scss
@@ -0,0 +1 @@
+/* You can add global styles to this file, and also import other style files */
diff --git a/src/test.ts b/src/test.ts
new file mode 100644
index 000000000..50193eb0f
--- /dev/null
+++ b/src/test.ts
@@ -0,0 +1,25 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+import 'zone.js/dist/zone-testing';
+import { getTestBed } from '@angular/core/testing';
+import {
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting
+} from '@angular/platform-browser-dynamic/testing';
+
+declare const require: {
+  context(path: string, deep?: boolean, filter?: RegExp): {
+    keys(): string[];
+    <T>(id: string): T;
+  };
+};
+
+// First, initialize the Angular testing environment.
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+// Then we find all the tests.
+const context = require.context('./', true, /\.spec\.ts$/);
+// And load the modules.
+context.keys().map(context);
diff --git a/styles/_mixins.scss b/styles/_mixins.scss
new file mode 100644
index 000000000..c567cc071
--- /dev/null
+++ b/styles/_mixins.scss
@@ -0,0 +1,43 @@
+@import "variables";
+
+@mixin leader {
+  display: block;
+  font-family: $font-stack;
+  font-weight: $font-weight-max;
+  font-size: 18px;
+  text-transform: uppercase;
+  position: relative;
+  padding: 0 10px;
+  background-color: darken($pastel-green, 5%);
+  color: $black;
+  border-radius: 5px;
+  text-align: center;
+}
+
+@mixin scoreboard-span {
+  font-family: 'DjbUpOnTheScoreboard', $font-stack;
+  font-weight: $font-weight-max;
+  font-size: 30px;
+  color: darken($dark-green, 5%);
+  display: inline-block;
+}
+
+@mixin message {
+  font-weight: $font-weight-max;
+  font-style: italic;
+  font-size: 16px;
+  border-radius: 5px;
+}
+
+
+.leader {
+  @include leader;
+}
+
+span.scoreboard {
+  @include scoreboard-span;
+}
+
+.message, .correct-message, .wrong-message {
+  @include message;
+}
diff --git a/styles/_variables.scss b/styles/_variables.scss
new file mode 100644
index 000000000..3a4f720af
--- /dev/null
+++ b/styles/_variables.scss
@@ -0,0 +1,34 @@
+$font-stack: Space Mono, monospace;
+$font-weight-max: 900;
+
+$red: #ff0000;
+$fire-red: #a03800;
+$dark-blue: #4267b2;
+$darker-blue: #00008b;
+$vivid-blue: #3b98fd;
+$soft-blue: #59adeb;
+$chambray-blue: #385d8a;
+$dodger-blue: #007aff;
+$green: #43e756;
+$green-angular-leaf: #36a34a;
+$dark-green: #006400;
+$light-sea-green: #20b2aa;
+$pastel-green: #81e081;
+$fuel-yellow: #f0a121;
+$light-yellow: #fddc30;
+$gray: #808080;
+$medium-gray: #979797;
+$light-gray: #f5f5f5;
+$very-light-gray: #eee;
+$black: #0f0000;
+$dark-brown: #0f0900;
+$white: #ffffff;
+$white-smoke: #f2f2f2;
+$off-white: #fafafa;
+
+$header-image: '../../../assets/images/codelab_logo.jpeg';
+$scoreboard-font: '../../../assets/fonts/DjbUpOnTheScoreboard.ttf';
+$congratulations-font: '../../../assets/fonts/LucidaUnicodeCalligraphy.ttf';
+$facebook-path: '../../../../../assets/images/social-media/facebook.gif';
+$twitter-path: '../../../../../assets/images/social-media/twitter.svg';
+$email-path: '../../../../../assets/images/social-media/email.svg';
diff --git a/styles/styles.scss b/styles/styles.scss
new file mode 100644
index 000000000..752a45975
--- /dev/null
+++ b/styles/styles.scss
@@ -0,0 +1,115 @@
+@import "~@angular/material/prebuilt-themes/deeppurple-amber.css";
+@import "variables";
+@import "mixins";
+
+@font-face {
+  font-family: 'DjbUpOnTheScoreboard';
+  src: url($scoreboard-font) format('truetype');
+  font-display: swap;
+}
+@font-face {
+  font-family: 'LucidaUnicodeCalligraphy';
+  src: url($congratulations-font) format('truetype');
+  font-display: swap;
+}
+
+mat-card {
+  margin: 2% 0 20px 25%;
+  margin-top: -35px;
+  width: 680px;
+  height: auto;
+  padding: 20px;
+  border: 1px solid $black;
+  border-radius: 10px !important;
+  box-shadow: 10px 10px 5px $gray !important;
+
+  mat-card-header {
+    text-align: center;
+    display: flex;
+    justify-content: center;
+
+    .header-image {
+      float: left;
+      background: url($header-image) no-repeat center center;
+      background-size: contain;
+      margin: -10px 0 0 -40px;
+      height: 100px !important;
+      width: 180px !important;
+    }
+
+    mat-card-title {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      font-size: 30px !important;
+      margin: -10px 0 10px 10px;
+      color: $vivid-blue;
+      text-align: center;
+    }
+    mat-card-subtitle {
+      font-family: $font-stack;
+      font-weight: $font-weight-max;
+      font-size: 17.5px !important;
+      font-style: italic;
+      color: $gray;
+      text-align: center;
+
+      span {
+        display: block;
+      }
+    }
+  }
+}
+
+.preload {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: 100px;
+  height: 100px;
+}
+
+.preload div {
+  border: 0;
+  margin: 0;
+  width: 40%;
+  height: 40%;
+  position: absolute;
+  border-radius: 50%;
+  animation: spin 2s ease infinite;
+}
+
+.preload :first-child {
+  background: #19a68c;
+  animation-delay: -1.5s;
+}
+
+.preload :nth-child(2) {
+  background: #f63d3a;
+  animation-delay: -1s;
+}
+
+.preload :nth-child(3) {
+  background: #fda543;
+  animation-delay: -0.5s;
+}
+
+.preload :last-child {
+  background: #193b48;
+}
+
+@keyframes spin {
+  0%,
+  100% {
+    transform: translate(0);
+  }
+  25% {
+    transform: translate(160%);
+  }
+  50% {
+    transform: translate(160%, 160%);
+  }
+  75% {
+    transform: translate(0, 160%);
+  }
+}
diff --git a/tsconfig.app.json b/tsconfig.app.json
new file mode 100644
index 000000000..f758d9820
--- /dev/null
+++ b/tsconfig.app.json
@@ -0,0 +1,14 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/app",
+    "types": []
+  },
+  "files": [
+    "src/main.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.d.ts"
+  ]
+}
diff --git a/tsconfig.json b/tsconfig.json
index 85afa2037..8c4ef3bba 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,42 +1,23 @@
 {
   "compileOnSave": false,
-  "angularCompilerOptions": {
-    "enableIvy": false
-  },
   "compilerOptions": {
+    "baseUrl": "./",
     "outDir": "./dist/out-tsc",
-    "baseUrl": ".",
     "sourceMap": true,
     "declaration": false,
+    "downlevelIteration": true,
+    "experimentalDecorators": true,
     "module": "esnext",
     "moduleResolution": "node",
-    "emitDecoratorMetadata": true,
-    "experimentalDecorators": true,
-    "resolveJsonModule": true,
+    "importHelpers": true,
     "target": "es2015",
-    "paths": {
-      "jszip": ["node_modules/jszip/dist/jszip.min.js"],
-      "@codelab/*": ["libs/*"],
-      "@ng360/slides": ["libs/slides/src/index.ts"],
-      "@codelab/browser": ["libs/browser/src/index.ts"],
-      "@codelab/console": ["libs/console/src/index.ts"],
-      "@codelab/utils": ["libs/utils/src/index.ts"],
-      "@codelab/angular-ast-viz": ["libs/angular-ast-viz/src/index.ts"],
-      "@codelab/angular-slides-to-pdf": [
-        "libs/angular-slides-to-pdf/src/index.ts"
-      ],
-      "vm": ["node_modules/vm-shim"],
-      "@codelab/feedback": ["libs/feedback/src/index.ts"],
-      "@codelab/code-demos": ["libs/code-demos/src/index.ts"],
-      "@angular-presentation/live": ["libs/live/src/index.ts"],
-      "@angular-presentation/firebase-login": [
-        "libs/firebase-login/src/index.ts"
-      ],
-      "@codelab/firebase": ["libs/firebase/src/index.ts"],
-      "@codelab/intro": ["libs/intro/src/index.ts"]
-    },
-    "typeRoots": ["node_modules/@types"],
-    "lib": ["es2018", "esnext", "dom"],
-    "rootDir": "."
+    "lib": [
+      "es2018",
+      "dom"
+    ]
+  },
+  "angularCompilerOptions": {
+    "fullTemplateTypeCheck": true,
+    "strictInjectionParameters": true
   }
 }
diff --git a/tsconfig.spec.json b/tsconfig.spec.json
new file mode 100644
index 000000000..6400fde7d
--- /dev/null
+++ b/tsconfig.spec.json
@@ -0,0 +1,18 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./out-tsc/spec",
+    "types": [
+      "jasmine",
+      "node"
+    ]
+  },
+  "files": [
+    "src/test.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.spec.ts",
+    "src/**/*.d.ts"
+  ]
+}
diff --git a/tslint.json b/tslint.json
index 7f4097462..d92ff5d1b 100644
--- a/tslint.json
+++ b/tslint.json
@@ -1,26 +1,49 @@
 {
-  "rulesDirectory": [
-    "node_modules/codelyzer",
-    "node_modules/@nrwl/workspace/src/tslint"
-  ],
+  "extends": "tslint:recommended",
   "rules": {
+    "align": {
+      "options": [
+        "parameters",
+        "statements"
+      ]
+    },
+    "array-type": false,
     "arrow-return-shorthand": true,
-    "callable-types": true,
-    "class-name": true,
-    "comment-format": [true, "check-space"],
     "curly": true,
     "deprecation": {
-      "severity": "warn"
+      "severity": "warning"
     },
+    "component-class-suffix": true,
+    "contextual-lifecycle": true,
+    "directive-class-suffix": true,
+    "directive-selector": [
+      true,
+      "attribute",
+      "app",
+      "camelCase"
+    ],
+    "component-selector": [
+      true,
+      "element",
+      "app",
+      "kebab-case"
+    ],
     "eofline": true,
-    "forin": true,
-    "import-blacklist": [true, "rxjs/Rx"],
+    "import-blacklist": [
+      true,
+      "rxjs/Rx"
+    ],
     "import-spacing": true,
-    "indent": [true, "spaces"],
-    "interface-over-type-literal": true,
-    "label-position": true,
-    "max-line-length": [true, 200],
-    "member-access": false,
+    "indent": {
+      "options": [
+        "spaces"
+      ]
+    },
+    "max-classes-per-file": false,
+    "max-line-length": [
+      true,
+      140
+    ],
     "member-ordering": [
       true,
       {
@@ -32,68 +55,94 @@
         ]
       }
     ],
-    "no-arg": true,
-    "no-bitwise": false,
-    "no-console": [true, "debug", "info", "time", "timeEnd", "trace"],
-    "no-construct": true,
-    "no-debugger": true,
-    "no-duplicate-super": true,
+    "no-console": [
+      true,
+      "debug",
+      "info",
+      "time",
+      "timeEnd",
+      "trace"
+    ],
     "no-empty": false,
-    "no-empty-interface": true,
-    "no-eval": false,
-    "no-inferrable-types": [true, "ignore-params"],
-    "no-misused-new": true,
+    "no-inferrable-types": [
+      true,
+      "ignore-params"
+    ],
     "no-non-null-assertion": true,
     "no-redundant-jsdoc": true,
-    "no-shadowed-variable": false,
-    "no-string-literal": false,
-    "no-string-throw": true,
     "no-switch-case-fall-through": true,
-    "no-trailing-whitespace": true,
-    "no-unnecessary-initializer": true,
-    "no-unused-expression": true,
-    "no-var-keyword": true,
-    "object-literal-sort-keys": false,
-    "one-line": [
-      true,
-      "check-open-brace",
-      "check-catch",
-      "check-else",
-      "check-whitespace"
-    ],
-    "prefer-const": true,
-    "radix": true,
-    "semicolon": [true, "always"],
-    "triple-equals": [true, "allow-null-check"],
-    "typedef-whitespace": [
+    "no-var-requires": false,
+    "object-literal-key-quotes": [
       true,
-      {
-        "call-signature": "nospace",
-        "index-signature": "nospace",
-        "parameter": "nospace",
-        "property-declaration": "nospace",
-        "variable-declaration": "nospace"
-      }
+      "as-needed"
     ],
-    "unified-signatures": true,
-    "variable-name": false,
-    "whitespace": [
+    "quotemark": [
       true,
-      "check-branch",
-      "check-decl",
-      "check-operator",
-      "check-separator",
-      "check-type"
+      "single"
     ],
-    "no-output-on-prefix": true,
-    "no-inputs-metadata-property": true,
-    "no-outputs-metadata-property": true,
+    "semicolon": {
+      "options": [
+        "always"
+      ]
+    },
+    "space-before-function-paren": {
+      "options": {
+        "anonymous": "never",
+        "asyncArrow": "always",
+        "constructor": "never",
+        "method": "never",
+        "named": "never"
+      }
+    },
+    "typedef-whitespace": {
+      "options": [
+        {
+          "call-signature": "nospace",
+          "index-signature": "nospace",
+          "parameter": "nospace",
+          "property-declaration": "nospace",
+          "variable-declaration": "nospace"
+        },
+        {
+          "call-signature": "onespace",
+          "index-signature": "onespace",
+          "parameter": "onespace",
+          "property-declaration": "onespace",
+          "variable-declaration": "onespace"
+        }
+      ]
+    },
+    "variable-name": {
+      "options": [
+        "ban-keywords",
+        "check-format",
+        "allow-pascal-case"
+      ]
+    },
+    "whitespace": {
+      "options": [
+        "check-branch",
+        "check-decl",
+        "check-operator",
+        "check-separator",
+        "check-type",
+        "check-typecast"
+      ]
+    },
+    "no-conflicting-lifecycle": true,
     "no-host-metadata-property": true,
     "no-input-rename": true,
+    "no-inputs-metadata-property": true,
+    "no-output-native": true,
+    "no-output-on-prefix": true,
     "no-output-rename": true,
+    "no-outputs-metadata-property": true,
+    "template-banana-in-box": true,
+    "template-no-negated-async": true,
     "use-lifecycle-interface": true,
-    "use-pipe-transform-interface": true,
-    "component-class-suffix": true,
-    "directive-class-suffix": true
-  }
-}
+    "use-pipe-transform-interface": true
+  },
+  "rulesDirectory": [
+    "codelyzer"
+  ]
+}
\ No newline at end of file