CI.yml

name: CI
on:
  pull_request:
    branches:
      - v2

# Ensure scripts are run with pipefail. See:
# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#exit-codes-and-error-action-preference
defaults:
  run:
    shell: bash

jobs:
  tests:
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
          - macos-latest

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
      - uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4
        with:
          node-version: "18.x"
      - uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0

      - run: pnpm install

      # Grab localizations
      - run: pnpm docs-sync pull microsoft/TypeScript-Website-localizations#main 1

      # Build the packages
      - run: pnpm bootstrap
      - run: pnpm build

      # Verify it compiles
      - run: pnpm build-site
      
      - uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        if: github.event_name == 'pull_request' && matrix.os == 'ubuntu-latest'
        with:
          name: site
          path: packages/typescriptlang-org/public

      # Run all the package's tests
      - run: pnpm test

      # danger for PR builds
      - if: github.event_name == 'pull_request' && github.event.pull_request.base.repo.id == github.event.pull_request.head.repo.id && matrix.os == 'ubuntu-latest'
        run: "pnpm danger ci"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - run: |
          git add .
          if ! git diff --staged --exit-code --quiet; then
            echo "This PR is missing some generated changes. Please update locally or merge the patch artifact."
            echo ""
            git diff --staged
            git diff --staged > missing.patch
            exit 1
          fi
        name: Check for uncommitted changes
        id: check-diff
        if: github.event_name == 'pull_request'

      - name: Upload diff artifact
        if: ${{ failure() && steps.check-diff.conclusion == 'failure' }}
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: missing.patch
          path: missing.patch

  changesets:
    name: changesets
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
      with:
        fetch-depth: 0
    - uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4
      with:
        node-version: 'lts/*'
    - uses: pnpm/action-setup@fe02b34f77f8bc703788d5817da081398fad5dd2 # v4.0.0
    
    - run: pnpm install
    
    - name: Check for missing changesets
      run: |
        PR_CHANGESETS=$(ls .changeset | (grep -v -E 'README\.md|config\.json' || true) | wc -l)
        MAIN_CHANGESETS=$(git ls-tree -r origin/v2 .changeset | (grep -v -E 'README\.md|config\.json' || true) | wc -l)

        # If the PR has no changesets, but main has changesets, assume this is PR is a versioning PR and exit
        if [[ $PR_CHANGESETS -eq 0 && $MAIN_CHANGESETS -gt 0 ]]; then
          echo "This PR is a versioning PR, exiting"
          exit 0
        fi

        # git switch -c changesets-temp
        # git checkout origin/v2 -- <ignored files>
        pnpm changeset status --since=origin/v2

  required:
    runs-on: ubuntu-latest
    if: ${{ always() }}
    needs:
      - tests
      - changesets
    
    steps:
      - name: Check required jobs
        env:
          NEEDS: ${{ toJson(needs) }}
        run: |
          ! echo $NEEDS | jq -e 'to_entries[] | { job: .key, result: .value.result } | select(.result != "success")'