Improved incompatible browser detection (#21)

* Moved fonts to data URLs to prevent font flicker.
* Improve incompatible browser checking and related feedback.

Author: kshetline

.eslintrc.json

@@ -132,8 +132,28 @@
   "overrides": [
     {
       "files": ["*.js", "*.cjs"],
+      "parser": "babel-eslint",
+      "parserOptions": {
+        "ecmaVersion": 2018,
+        "sourceType": "module"
+      },
       "rules": {
-        "@typescript-eslint/explicit-function-return-type": "off"
+        "@typescript-eslint/consistent-type-assertions": "off",
+        "@typescript-eslint/explicit-function-return-type": "off",
+        "@typescript-eslint/indent": "off",
+        "@typescript-eslint/no-unused-vars": "off",
+        "indent": [
+          "error",
+          2,
+          {
+            "ArrayExpression": "first",
+            "FunctionDeclaration": { "parameters": "off" },
+            "FunctionExpression": { "parameters": "off" },
+            "ignoreComments": true,
+            "ObjectExpression": "first",
+            "SwitchCase": 1
+          }
+        ]
       }
     }
   ]

angular.json

@@ -35,8 +35,11 @@
       },
       "architect": {
         "build": {
-          "builder": "@angular-devkit/build-angular:browser",
+          "builder": "@angular-builders/custom-webpack:browser",
           "options": {
+            "customWebpackConfig": {
+              "path": "./webpack.config.js"
+            },
             "localize": true,
             "outputPath": "dist/prague-clock",
             "index": "src/index.html",
@@ -124,13 +127,13 @@
           "defaultConfiguration": "development"
         },
         "extract-i18n": {
-          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "builder": "@angular-builders/custom-webpack:extract-i18n",
           "options": {
             "browserTarget": "prague-clock:build"
           }
         },
         "test": {
-          "builder": "@angular-devkit/build-angular:karma",
+          "builder": "@angular-builders/custom-webpack:karma",
           "options": {
             "main": "src/test.ts",
             "polyfills": "src/polyfills.ts",