validate-site.yml

name: CI · Validate site
on:
  pull_request:
    types: [opened, synchronize, reopened]

permissions:
  contents: read

jobs:
  validate:
    runs-on: ubuntu-latest
    if: github.repository == 'fineanmol/Hacktoberfest2025'
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check core site files
        run: |
          set -euo pipefail
          for f in index.html .nojekyll; do
            test -f "$f" || { echo "Missing required file: $f"; exit 1; }
          done
          echo "Core site files present."

      - name: Validate HTML structure
        run: |
          set -euo pipefail
          npx --yes html-validate index.html
          echo "HTML validation passed."

      - name: Validate contributor JS syntax (changed files only)
        run: |
          set -euo pipefail
          git fetch origin "${{ github.event.pull_request.base.ref }}"
          mapfile -t FILES < <(
            git diff --name-only "origin/${{ github.event.pull_request.base.ref }}...HEAD" \
              | grep -E '^contributors/.*\.js$' || true
          )
          if [ "${#FILES[@]}" -eq 0 ]; then
            echo "No contributor JS changes — skip syntax check."
            exit 0
          fi
          node --check "${FILES[@]}"
          for f in "${FILES[@]}"; do
            if grep -q 'https:github.com' "$f"; then
              echo "Malformed GitHub URL in $f (use https://github.com/ with double slash)"
              exit 1
            fi
          done
          echo "Contributor URLs look OK."