ci.yml

name: CI

on:
  push:
    branches:
      - main
      - release-*
  pull_request:
    branches:
      - main
      - release-*

permissions:
  contents: read

# 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:
  test:
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - windows-latest
          - macos-14
        node-version:
          - '22'
          - '20'
          - '18'
          - '16'
          - '14'
        bundle:
          - 'true'
        include:
          - node-version: 'lts/*'
            bundle: false
            os: ubuntu-latest
        exclude:
          # No Node 14 on ARM macOS
          - node-version: '14'
            os: macos-14

    runs-on: ${{ matrix.os }}
    name: Test Node ${{ matrix.node-version }} on ${{ matrix.os }}${{ (!matrix.bundle && ' with --no-bundle') || '' }}

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - name: Use node version ${{ matrix.node-version }}
        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: ${{ matrix.node-version }}
          check-latest: true
      - run: npm ci

      - name: Tests
        id: test
        # run tests, but lint separately
        run: npm run test -- --no-lint --bundle=${{ matrix.bundle }}

      - name: Print baseline diff on failure
        if: ${{ failure() && steps.test.conclusion == 'failure' }}
        run: |
          npx hereby baseline-accept
          git add tests/baselines/reference
          git diff --staged --exit-code

  coverage:
    runs-on:
      - 'self-hosted'
      - '1ES.Pool=TypeScript-1ES-GitHub-Large'
      - '1ES.ImageOverride=ubuntu-22.04'

    permissions:
      id-token: write
      contents: read

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Run tests with coverage
        run: npm test -- --no-lint --coverage

      - name: Upload coverage artifact
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: coverage
          path: coverage

      - uses: codecov/codecov-action@015f24e6818733317a2da2edd6290ab26238649a # v5.0.7
        with:
          use_oidc: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork) }}
          disable_search: true
          files: ./coverage/codecov.json

  lint:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Linter
        run: npm run lint

  knip:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Unused exports
        run: npm run knip

  format:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
        with:
          path: ~/.cache/dprint
          key: ${{ runner.os }}-dprint-${{ hashFiles('package-lock.json', '.dprint.jsonc') }}
          restore-keys: |
            ${{ runner.os }}-dprint-

      - name: Check formatting
        run: npx dprint check

  browser-integration:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Installing browsers
        run: npx playwright install --with-deps

      - name: Validate the browser can import TypeScript
        run: npx hereby test-browser-integration

  typecheck:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Build src
        run: npx hereby build-src

  smoke:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: |
          npm --version
          # corepack enable npm
          npm install -g $(jq -r '.packageManager' < package.json)
          npm --version

      - run: npm ci

      - run: npx hereby lkg
      - run: |
          node ./scripts/addPackageJsonGitHead.mjs package.json
          npm pack
          mv typescript*.tgz typescript.tgz
          echo "package=$PWD/typescript.tgz" >> "$GITHUB_OUTPUT"
        id: pack

      - name: Smoke test
        run: |
          cd "$(mktemp -d)"
          npm init --yes
          npm install ${{ steps.pack.outputs.package }}

          echo "Testing tsc..."
          npx tsc --version

          echo "Testing tsserver..."
          echo '{"seq": 1, "command": "status"}' | npx tsserver

          node $GITHUB_WORKSPACE/scripts/checkModuleFormat.mjs typescript
          node $GITHUB_WORKSPACE/scripts/checkModuleFormat.mjs typescript/lib/tsserverlibrary

  package-size:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          path: pr

      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          path: base
          ref: ${{ github.base_ref }}

      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: |
          npm --version
          # corepack enable npm

      - run: |
          npm install -g $(jq -r '.packageManager' < package.json)
          npm --version
        working-directory: ./pr

      - run: npm ci
        working-directory: ./pr

      - run: npm ci
        working-directory: ./base

      - run: npx hereby lkg
        working-directory: ./pr

      - run: npx hereby lkg
        working-directory: ./base

      - run: |
          echo "See $GITHUB_SERVER_URL/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID for more info."
          node ./pr/scripts/checkPackageSize.mjs ./base ./pr >> $GITHUB_STEP_SUMMARY

  misc:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Build scripts
        run: npx hereby scripts

      - name: ESLint tests
        run: npx hereby run-eslint-rules-tests

  self-check:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Build tsc
        run: npx hereby tsc

      - name: Clean
        run: npx hereby clean-src

      - name: Self build
        run: npx hereby build-src --built

  baselines:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
        with:
          node-version: 'lts/*'
      - run: npm ci

      - name: Remove all baselines
        run: rm -rf tests/baselines/reference

      - name: Run tests
        run: npm test &> /dev/null || exit 0

      - name: Accept baselines
        run: |
          npx hereby baseline-accept
          git add tests/baselines/reference

      - name: Check baselines
        id: check-baselines
        run: |
          function print_diff() {
            if ! git diff --staged --exit-code --quiet --diff-filter=$1; then
              echo "$2:"
              git diff --staged --name-only --diff-filter=$1
            fi
          }

          if ! git diff --staged --exit-code --quiet; then
            print_diff ACR "Missing baselines"
            print_diff MTUXB "Modified baselines"
            print_diff D "Unused baselines"
            git diff --staged > fix_baselines.patch
            exit 1
          fi

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