Internal: Replace yarn with pnpm

.github/workflows/ci.yml

@@ -7,6 +7,9 @@ on:
       - 'v*'
   pull_request: {}
 
+env:
+  PNPM_VERSION: 6.29.1
+
 concurrency:
    group: ci-${{ github.head_ref || github.ref }}
    cancel-in-progress: true
@@ -18,32 +21,39 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - uses: pnpm/[email protected]
+        with:
+          version: ${{ env.PNPM_VERSION }}
       - name: Install Node
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-          cache: yarn
+          node-version: 14.x
+          cache: pnpm
       - name: Install Dependencies
-        run: yarn install --frozen-lockfile
+        run: pnpm install
       - name: Lint
-        run: yarn lint
+        run: pnpm run lint
       - name: Run Tests
-        run: yarn test
+        run: pnpm run test
 
   floating:
     name: "Floating Dependencies"
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v2
+      - uses: pnpm/[email protected]
+        with:
+          version: ${{ env.PNPM_VERSION }}
+      - name: Install Node
+        uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-          cache: yarn
+          node-version: 14.x
+          cache: pnpm
       - name: Install Dependencies
-        run: yarn install --no-lockfile
+        run: pnpm install
       - name: Run Tests
-        run: yarn test
+        run: pnpm run test
 
   try-scenarios:
     name: ${{ matrix.try-scenario }}
@@ -68,12 +78,15 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - uses: pnpm/[email protected]
+        with:
+          version: ${{ env.PNPM_VERSION }}
       - name: Install Node
         uses: actions/setup-node@v2
         with:
-          node-version: 12.x
-          cache: yarn
+          node-version: 14.x
+          cache: pnpm
       - name: Install Dependencies
-        run: yarn install --frozen-lockfile
+        run: pnpm install
       - name: Run Tests
-        run: ./node_modules/.bin/ember try:one ${{ matrix.try-scenario }}
+        run: pnpm exec ember try:one ${{ matrix.try-scenario }}

CONTRIBUTING.md

@@ -1,22 +1,24 @@
 # How To Contribute
 
+This project uses the [pnpm](https://pnpm.io) package manager to manage its dependencies.
+
 ## Installation
 
 - `git clone <repository-url>`
 - `cd ember-promise-modals`
-- `yarn install`
+- `pnpm install`
 
 ## Linting
 
-- `yarn lint:hbs`
-- `yarn lint:js`
-- `yarn lint:js --fix`
+- `pnpm lint:hbs`
+- `pnpm lint:js`
+- `pnpm lint:js --fix`
 
 ## Running tests
 
-- `ember test` – Runs the test suite on the current Ember version
-- `ember test --server` – Runs the test suite in "watch mode"
-- `ember try:each` – Runs the test suite against multiple Ember versions
+- `pnpm exec ember test` – Runs the test suite on the current Ember version
+- `pnpm exec ember test --server` – Runs the test suite in "watch mode"
+- `pnpm exec ember try:each` – Runs the test suite against multiple Ember versions
 
 ## Running the dummy application
 

config/ember-try.js

@@ -4,7 +4,7 @@ const getChannelURL = require('ember-source-channel-url');
 
 module.exports = async function () {
   return {
-    useYarn: true,
+    usePnpm: true,
     scenarios: [
       {
         name: 'ember-lts-3.4',
@@ -97,7 +97,7 @@ module.exports = async function () {
           },
         },
       },
-      // The default `.travis.yml` runs this scenario via `yarn test`,
+      // The default `.travis.yml` runs this scenario via `pnpm test`,
       // not via `ember try`. It's still included here so that running
       // `ember try:each` manually or from a customized CI config will run it
       // along with all the other scenarios.

package.json

@@ -14,8 +14,8 @@
   },
   "scripts": {
     "build": "ember build --env=production",
-    "lint": "npm-run-all --aggregate-output --continue-on-error --parallel 'lint:!(fix)'",
-    "lint:fix": "npm-run-all --aggregate-output --continue-on-error --parallel lint:*:fix",
+    "lint": "npm-run-all --aggregate-output --continue-on-error --parallel \"lint:!(fix)\"",
+    "lint:fix": "npm-run-all --aggregate-output --continue-on-error --parallel \"lint:*:fix\"",
     "lint:hbs": "ember-template-lint .",
     "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache",
@@ -83,5 +83,14 @@
   },
   "ember-addon": {
     "configPath": "tests/dummy/config"
+  },
+  "pnpm": {
+    "peerDependencyRules": {
+      "ignoreMissing": [
+        "@babel/core",
+        "postcss",
+        "webpack"
+      ]
+    }
   }
 }