name: CI

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

permissions:
  contents: read

jobs:
  build:
    name: Validate tests and build npm package
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          # Fetch all to count number of commits and compute pkg version
          fetch-depth: 0
      - uses: actions/setup-node@v6
        with:
          node-version: lts/*
          cache: npm
      - name: Install dependencies
        run: npm ci
      - name: Build npm package
        run: node scripts/build-npm-package.js
      - name: Check that JSON files match their TypeScript types
        run: node scripts/check-types.js
      - name: Pack npm package
        run: mkdir -p dist && npm pack ./npm-package --pack-destination dist
      - name: Upload package tarball
        uses: actions/upload-artifact@v7
        with:
          name: npm-package
          path: dist/*.tgz
          if-no-files-found: error
          retention-days: 7

  publish:
    name: Publish to npm
    needs: build
    if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main' && github.repository == 'tc39/source-map-tests'
    runs-on: ubuntu-latest
    permissions:
      contents: read
      id-token: write # for npm trusted publishing
    concurrency:
      group: npm-publish
      cancel-in-progress: false
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0
      - uses: actions/setup-node@v6
        with:
          node-version: lts/*
          registry-url: https://registry.npmjs.org
      - name: Build npm package
        run: node scripts/build-npm-package.js
      - name: Publish
        run: |
          name=$(node -p "require('./npm-package/package.json').name")
          version=$(node -p "require('./npm-package/package.json').version")
          if [ -n "$(npm view "$name@$version" version 2>/dev/null)" ]; then
            echo "$name@$version is already published, skipping."
          else
            npm publish ./npm-package --access public
          fi