ci.yml

name: CI

on:
  push:
    branches: [production, develop]
  pull_request:
    branches: [production, develop]

jobs:
  verify:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
      # Some editors save files with a UTF-8 BOM, and a tool that reads UTF-8 with
      # the wrong encoding turns a dash or an arrow into two or three other
      # characters. Both have reached PRs here, so catch them before review.
      - name: No BOM or garbled characters
        run: |
          if git grep -n -I -F -e $'\xEF\xBB\xBF' -e $'\xCE\x93\xC3\x87' -e $'\xCE\x93\xC3\xA5\xC3\x86' \
              -e $'\xE2\x94\xAC\xE2\x95\x96' -e $'\xC3\xA2\xE2\x82\xAC' -e $'\xC3\x83\xC2\xA9'; then
            echo "::error::The lines above start with a UTF-8 BOM or have text garbled by the wrong encoding. Save the file as UTF-8 without a BOM, and copy garbled lines back from the base branch."
            exit 1
          fi
      - uses: actions/setup-node@v6
        with:
          node-version: 22
          cache: npm
      - run: npm ci
      - run: npm run lint
      - run: npm run test
      # Builds the Worker the same way Workers Builds does. This runs `npm run build`
      # (next build) first, so there is no separate build step.
      - run: npx opennextjs-cloudflare build
      # A green next build doesn't mean the Worker runs. v0.7.0 built fine and then
      # threw on every request, so start the built Worker in local workerd and
      # request every page in the sitemap, the og:image each page links to and a
      # missing page.
      - name: Request every page from the built Worker
        env:
          WRANGLER_SEND_METRICS: "false"
        run: |
          npx wrangler dev --ip 127.0.0.1 --port 8787 > wrangler.log 2>&1 &
          base=http://127.0.0.1:8787
          for i in $(seq 90); do
            curl -s -o /dev/null "$base/robots.txt" && break
            sleep 1
          done
          pages=$(curl -s "$base/sitemap.xml" | grep -o '<loc>[^<]*' | sed -E 's|<loc>https?://[^/]+||')
          fail=0
          if [ -z "$pages" ]; then
            echo "sitemap.xml has no pages"
            fail=1
          fi
          check() {
            code=$(curl -s -o body.out -w '%{http_code}' "$base$1" || true)
            echo "$code $1"
            if [ "$code" != "$2" ]; then fail=1; fi
          }
          for p in $pages; do
            check "$p" 200
            img=$(grep -o 'property="og:image" content="[^"]*' body.out | head -1 | sed -E 's|.*content="https?://[^/]+||; s|&amp;|\&|g')
            if [ -n "$img" ]; then
              check "$img" 200
            else
              echo "no og:image on $p"
              fail=1
            fi
          done
          check /sitemap.xml 200
          check /robots.txt 200
          check /no-such-page 404
          if grep -q 'wrangler:error' wrangler.log; then fail=1; fi
          if [ "$fail" != 0 ]; then
            echo "The built Worker failed. Wrangler output:"
            cat wrangler.log
            exit 1
          fi
      - name: Lighthouse CI performance budgets
        run: |
          if ! curl -s -o /dev/null http://127.0.0.1:8787/robots.txt; then
            npx wrangler dev --ip 127.0.0.1 --port 8787 > wrangler.log 2>&1 &
            for i in $(seq 30); do
              curl -s -o /dev/null http://127.0.0.1:8787/robots.txt && break
              sleep 1
            done
          fi
          npm run lighthouse
          pkill -f "wrangler dev" || true