pull_requests.yml

name: Pull Request Workflow

on:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - ready_for_review

concurrency:
  # Here the group is defined by the head_ref of the PR
  group: ${{ github.head_ref }}-checks
  # Here we specify that we'll cancel any "in progress" workflow of the same group. Thus if we push, ammend a commit and push
  # again the previous workflow will be cancelled, thus saving us github action build minutes and avoid any conflicts
  cancel-in-progress: true

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      nvmrc: ${{ steps.nvm.outputs.nvmrc }}
    steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          fetch-depth: 0

      - name: Read .nvmrc
        id: nvm
        run: echo ::set-output name=nvmrc::$(cat .nvmrc)

      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: ${{ steps.nvm.outputs.nvmrc }}
          cache: npm

      - name: Install 🔧
        run: npm ci --ignore-scripts

  lint:
    needs: [setup]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: ${{ needs.setup.outputs.nvmrc }}
          cache: npm

      - name: Restore npm installs and Lerna setup
        run: npm ci

      - name: Validate all commits from PR
        run: npx commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }} --verbose

      - name: Run linter
        run: npm run lint

  test:
    needs: [setup]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: ${{ needs.setup.outputs.nvmrc }}
          cache: npm

      - name: Restore npm installs and Lerna setup
        run: npm ci

      - name: Run Tests
        run: npm test

      - name: Publish Unit Test Results
        uses: EnricoMi/publish-unit-test-result-action@v1
        if: always()
        with:
          files: junit/**/*.xml

  release:
    runs-on: ubuntu-latest
    needs: [test, lint]
    if: github.ref != 'refs/heads/next'
    steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}

      - name: Read .nvmrc
        id: nvm
        run: echo ::set-output name=nvmrc::$(cat .nvmrc)

      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: ${{ steps.nvm.outputs.nvmrc }}

      - name: Install 🔧
        run: npm ci

      - name: Create Canary Release ✨
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
          SLACK_TOKEN: ${{ secrets.SLACK_TOKEN }}
        run: npx auto shipit

  chromatic:
    runs-on: ubuntu-latest
    needs: [test, lint]
    if: github.event.pull_request.draft == false
    steps:
      - name: Checkout 🛎️
        uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          fetch-depth: 0

      - name: Read .nvmrc
        id: nvm
        run: echo ::set-output name=nvmrc::$(cat .nvmrc)

      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: ${{ steps.nvm.outputs.nvmrc }}

      - name: Install 🔧
        run: npm ci

      - name: Build and Publish to Chromatic
        uses: chromaui/action@latest
        with:
          projectToken: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
          buildScriptName: 'build'
          workingDir: system/stories
        env:
          NODE_OPTIONS: --max-old-space-size=16384