main.yml

---
name: CI

run-name: >-
  ${{
    inputs.release && inputs.test && 'CI ➤ Test ➤ Release' ||
    inputs.test && 'CI ➤ Test' ||
    inputs.release && 'CI ➤ Release' ||
    ''
  }}
on:
  pull_request:
    types: [opened, synchronize]
  push:
    branches: [main]
  workflow_dispatch:
    inputs:
      test:
        description: Test
        required: true
        default: true
        type: boolean
      release:
        description: Release
        required: true
        default: false
        type: boolean

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          cache: npm
          node-version: lts/*
      - run: npm ci
      - run: npm run prepublishOnly
      - run: npm run typecheck
      - name: Register Problem Matcher for ESLint that handles --report-unused-disable-directives
        run: echo "::add-matcher::.github/eslint-compact.json"
      - if: github.head_ref
        # On PRs, do not allow warnings or unused directives
        run: "npm run lint -- --report-unused-disable-directives --max-warnings 0 --rule 'prettier/prettier: off' -f compact"
      - if: github.head_ref == ''
        # While on commits pushed to main branches only show errors, no warnings
        run: npm run lint -- --quiet

  test:
    needs: build
    if: github.event.inputs.test != 'false'
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [macos-latest, ubuntu-latest, windows-latest]
        node: [lts/*]
        include:
          - os: ubuntu-latest
            node: lts/-1
          - os: ubuntu-latest
            node: current
    steps:
      - name: Set git to use LF
        if: matrix.os == 'windows-latest'
        run: |
          git config --global core.autocrlf false
          git config --global core.eol lf
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node }}
          cache: npm
      - run: npm i
      - run: npm test -- --coverage
      - run: npx ls-engines

  release:
    needs: [build, test]
    # only run if opt-in during workflow_dispatch
    if: always() && github.event.inputs.release == 'true' && needs.build.result != 'failure' && needs.test.result != 'failure' && needs.test.result != 'cancelled'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          # Need to fetch entire commit history to
          # analyze every commit since last release
          fetch-depth: 0
      - uses: actions/setup-node@v3
        with:
          node-version: lts/*
          cache: npm
      - run: npm ci
        # Branches that will release new versions are defined in .releaserc.json
      - run: npx semantic-release
        # Don't allow interrupting the release step if the job is cancelled, as it can lead to an inconsistent state
        # e.g. git tags were pushed but it exited before `npm publish`
        if: always()
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          NPM_TOKEN: ${{ secrets.NPM_PUBLISH_TOKEN }}