chore: fix examples (#2800)

Pulls examples up to root and lets lerna work out dependencies on ipfs and ipfs-http-client from elsewhere in the project.

Author: achingbrain

.travis.yml

@@ -1,5 +1,8 @@
 language: node_js
 
+services:
+  - xvfb
+
 branches:
   only:
   - master
@@ -57,7 +60,7 @@ jobs:
   include:
     - stage: check
       script:
-        - npm run build -- -- -- --bundlesize
+        - npm run build -- --scope={ipfs,ipfs-http-client} -- -- --bundlesize
         - npm run dep-check -- -- -- -- -i wrtc -i electron-webrtc
         - npm run lint -- --concurrency 1
 
@@ -124,166 +127,10 @@ jobs:
         - npm run test:interop:electron-renderer -- -- -- --bail --timeout 10000
 
     - stage: test
-      name: example - browser-add-readable-stream
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-add-readable-stream
-
-    - stage: test
-      name: example - browser-browserify
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-browserify
-
-    - stage: test
-      name: example - browser-create-react-app
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-create-react-app
-
-    - stage: test
-      name: example - browser-mfs
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-mfs
-
-    - stage: test
-      name: example - browser-parceljs
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-parceljs
-
-    - stage: test
-      name: example - browser-readablestream
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-readablestream
-
-    - stage: test
-      name: example - browser-script-tag
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-script-tag
-
-    - stage: test
-      name: example - browser-video-streaming
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-video-streaming
-
-    - stage: test
-      name: example - browser-vue
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-vue
-
-    - stage: test
-      name: example - browser-webpack
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- browser-webpack
-
-    - stage: test
-      name: example - circuit-relaying
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- circuit-relaying
-
-    - stage: test
-      name: example - custom-ipfs-repo
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- custom-ipfs-repo
-
-    - stage: test
-      name: example - custom-libp2p
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- custom-libp2p
-
-    - stage: test
-      name: example - exchange-files-in-browser
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- exchange-files-in-browser
-
-    - stage: test
-      name: example - explore-ethereum-blockchain
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- explore-ethereum-blockchain
-
-    - stage: test
-      name: example - ipfs-101
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- ipfs-101
-
-    - stage: test
-      name: example - running-multiple-nodes
-      script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- running-multiple-nodes
-
-    - stage: test
-      name: example - traverse-ipld-graphs
+      name: examples
       script:
-        - cd packages/ipfs
-        - npm run build
-        - cd examples
-        - npm install
-        - npm run test -- traverse-ipld-graphs
+        - npm run build -- --scope={ipfs,ipfs-http-client}
+        - npm run test -- --scope=example* --concurrency=1
 
     - stage: release-rc
       # only run on changes to master

packages/ipfs/examples/README.md renamed to examples/README.md

@@ -5,7 +5,7 @@
   </head>
   <body>
     <pre id="output"></pre>
-    <script src="../../dist/index.js"></script>
+    <script src="./node_modules/ipfs/dist/index.js"></script>
     <script src="index.js"></script>
   </body>
 </html>

packages/ipfs/examples/browser-add-readable-stream/README.md renamed to examples/browser-add-readable-stream/README.md

@@ -0,0 +1,19 @@
+{
+  "name": "example-browser-add-readable-stream",
+  "version": "1.0.0",
+  "description": "How to add readable streams in the browser",
+  "main": "index.js",
+  "private": true,
+  "scripts": {
+    "serve": "http-server public -a 127.0.0.1 -p 8888",
+    "start": "npm run serve",
+    "test": "test-ipfs-example"
+  },
+  "keywords": [],
+  "license": "MIT",
+  "devDependencies": {
+    "ipfs": "^0.41.0",
+    "test-ipfs-example": "^1.0.0"
+  },
+  "dependencies": {}
+}