Use NPM instead of Yarn

.github/workflows/ci.yml

@@ -7,76 +7,59 @@ on:
   pull_request:
 
 env:
-  NODE_VERSION: 12
+  NODE_VERSION: 14
   PERCY_PARALLEL_NONCE: ${{ github.run_id }}-${{ github.run_number }}
   PERCY_PARALLEL_TOTAL: 1
 
 jobs:
   lint:
     name: Lint files
     runs-on: ubuntu-latest
-    timeout-minutes: 3
+    timeout-minutes: 5
     steps:
       - name: Check out a copy of the repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
-      - name: Use Node.js 14
-        uses: volta-cli/action@v4
+      - name: Check lockfile version
+        uses: mansona/npm-lockfile-version@v1
 
-      - name: Get Yarn cache path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - name: Cache Yarn cache and node_modules
-        id: cache-dependencies
-        uses: actions/cache@v2
+      - name: Use Node.js ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v3
         with:
-          path: |
-            ${{ steps.yarn-cache-dir-path.outputs.dir }}
-            node_modules
-          key: ${{ runner.os }}-${{ env.NODE_VERSION }}-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: ${{ runner.os }}-${{ env.NODE_VERSION }}-
+          cache: 'npm'
+          node-version: ${{ env.NODE_VERSION }}
+
+      - run: npm i -g npm@9
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
-        if: steps.cache-dependencies.outputs.cache-hit != 'true'
+        run: npm ci
 
       - name: Lint
-        run: yarn lint
+        run: npm run lint
 
 
   test-app:
     name: Test app
     runs-on: ubuntu-latest
-    timeout-minutes: 7
+    timeout-minutes: 10
     steps:
       - name: Check out a copy of the repo
-        uses: actions/checkout@v2
-
-      - name: Use Node.js 14
-        uses: volta-cli/action@v4
+        uses: actions/checkout@v3
 
-      - name: Get Yarn cache path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - name: Cache Yarn cache and node_modules
-        id: cache-dependencies
-        uses: actions/cache@v2
+      - name: Use Node.js ${{ env.NODE_VERSION }}
+        uses: actions/setup-node@v3
         with:
-          path: |
-            ${{ steps.yarn-cache-dir-path.outputs.dir }}
-            node_modules
-          key: ${{ runner.os }}-14-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: ${{ runner.os }}-14-
+          cache: 'npm'
+          node-version: ${{ env.NODE_VERSION }}
+
+      - run: npm i -g npm@9
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
-        if: steps.cache-dependencies.outputs.cache-hit != 'true'
+        run: npm ci
 
       - name: Test
         env:
           PERCY_PARALLEL_NONCE: ${{ env.PERCY_PARALLEL_NONCE }}
           PERCY_PARALLEL_TOTAL: ${{ env.PERCY_PARALLEL_TOTAL }}
           PERCY_TOKEN: 5ad6687f6b1ad3dec2b964f94d3d59ff3880baccf1492c0663e85c1ce79c1a52
-        run: yarn run percy exec -- yarn test:ember
+        run: npx percy exec -- npm run test:ember

.gitignore

@@ -27,7 +27,6 @@ terraform.tfstate.backup
 /libpeerconnection.log
 /npm-debug.log*
 /testem.log
-/yarn-error.log
 
 public/json-docs/
 public/rev-index/

CONTRIBUTING.md

@@ -77,20 +77,20 @@ clone the latest ember.js api docs from github
 cd to the cloned ember-api-docs directory
  - cd ember-api-docs
 
-ensure Node.js and yarn are installed
+ensure Node.js and npm are installed
 
 follow these commands to build ember.js
- - yarn install
- - yarn run build
+ - npm install
+ - npm build
 ```
 
 ## Development steps
 
 1. Follow the setup steps listed above under [Building Ember.js API](#building-emberjs-api-docs).
 
-2. To start the development server, run `yarn start`.
+2. To start the development server, run `npm start`.
 
-3. To run all tests run `yarn test`
+3. To run all tests run `npm test`
 
 4. To run the app with fastboot cli like our server deployment run the following commands,
 ```
@@ -106,7 +106,7 @@ We love pull requests. Here's a quick guide:
 1. Fork the repo.
 
 2. Run the tests. We only take pull requests with passing tests, and it's great
-to know that you have a clean slate: `yarn install && yarn test`.
+to know that you have a clean slate: `npm install && npm test`.
 
 3. Add a test for your change. Only refactoring and documentation changes
 require no new tests. If you are adding functionality or fixing a bug, we need

README.md

@@ -42,7 +42,7 @@ locally yourself.
 ```
 git clone https://github.com/ember-learn/ember-api-docs.git
 cd ember-api-docs
-yarn install
+npm install
 ember serve
 ```
 View at http://localhost:4200
@@ -53,9 +53,9 @@ To run a11y tests, run `test_a11y=yes ember serve`
 
 ## Linting
 
-* `yarn run lint:hbs`
-* `yarn run lint:js`
-* `yarn run lint:js -- --fix`
+* `npm run lint:hbs`
+* `npm run lint:js`
+* `npm run lint:js -- --fix`
 
 ## Staging and Deployment
 

config/ember-cli-update.json

@@ -11,7 +11,6 @@
           "codemodsSource": "ember-app-codemods-manifest@1",
           "isBaseBlueprint": true,
           "options": [
-            "--yarn",
             "--no-welcome"
           ]
         }