ci.yml

name: CI

on:
  pull_request:
    branches: [main]

permissions:
  contents: read
  pull-requests: write

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-node@v6
        with:
          node-version: 24
          cache: npm

      - run: npm ci

      - run: npm run test:coverage

      - name: Post coverage comment
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          node -e "
          const s = require('./coverage/coverage-summary.json').total
          const p = m => s[m].pct
          const icon = v => v === 100 ? '✅' : '⚠️'
          const body = [
            '<!-- bucketline-coverage -->',
            '### Test Coverage',
            '| Statements | Branches | Functions | Lines |',
            '|---|---|---|---|',
            \`| \${icon(p('statements'))} \${p('statements')}% | \${icon(p('branches'))} \${p('branches')}% | \${icon(p('functions'))} \${p('functions')}% | \${icon(p('lines'))} \${p('lines')}% |\`,
          ].join('\n')
          require('fs').writeFileSync('/tmp/cov.md', body)
          "

          PR="${{ github.event.pull_request.number }}"
          REPO="${{ github.repository }}"
          ID=$(gh api "repos/${REPO}/issues/${PR}/comments" \
            --jq '[.[] | select(.body | contains("bucketline-coverage"))] | first | .id // empty')

          if [ -n "$ID" ]; then
            gh api "repos/${REPO}/issues/comments/${ID}" -X PATCH -f "body=$(cat /tmp/cov.md)"
          else
            gh pr comment "$PR" --body-file /tmp/cov.md
          fi

      - uses: actions/upload-artifact@v4
        if: always()
        with:
          name: coverage-report
          path: coverage/
          retention-days: 14