name: Main

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: [20.x]
    steps:
      - uses: actions/checkout@v3
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}
          cache: npm
      - run: npm ci
      - run: npm run lint
      - run: npm run typecheck

  auto-merge:
    if: github.event_name == 'pull_request' && github.actor == 'dependabot[bot]'
    runs-on: ubuntu-latest
    needs: build-and-test
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@v2
        with:
          github-token: '${{ secrets.GITHUB_TOKEN }}'
      - name: Auto-merge
        if: steps.metadata.outputs.update-type != 'version-update:semver-major'
        run: gh pr merge --auto --squash "$PR_URL"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}