vscode/.github/workflows/css-order-scan.yml

name: CSS Cascade-Order Scan

on:
  schedule:
    # Once per day at 05:17 UTC (off the hour to avoid scheduler contention).
    - cron: '17 5 * * *'
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  group: css-order-scan-${{ github.ref }}
  cancel-in-progress: true

jobs:
  scan:
    name: Scan CSS cascade-order dependencies
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 1

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version-file: .nvmrc

      - name: Prepare node_modules cache key
        run: mkdir -p .build && node build/azure-pipelines/common/computeNodeModulesCacheKey.ts compile $(node -p process.arch) > .build/packagelockhash

      - name: Restore node_modules cache
        id: cache-node-modules
        uses: actions/cache@v5
        with:
          path: .build/node_modules_cache
          key: "node_modules-css-order-scan-${{ hashFiles('.build/packagelockhash') }}"

      - name: Extract node_modules cache
        if: steps.cache-node-modules.outputs.cache-hit == 'true'
        run: tar -xzf .build/node_modules_cache/cache.tgz

      - name: Install dependencies
        if: steps.cache-node-modules.outputs.cache-hit != 'true'
        run: npm ci --ignore-scripts
        env:
          ELECTRON_SKIP_BINARY_DOWNLOAD: 1
          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Install build dependencies
        if: steps.cache-node-modules.outputs.cache-hit != 'true'
        run: npm ci
        working-directory: build

      - name: Install rspack dependencies
        if: steps.cache-node-modules.outputs.cache-hit != 'true'
        run: npm ci
        working-directory: build/rspack

      - name: Create node_modules archive
        if: steps.cache-node-modules.outputs.cache-hit != 'true'
        run: |
          set -e
          node build/azure-pipelines/common/listNodeModules.ts .build/node_modules_list.txt
          mkdir -p .build/node_modules_cache
          tar -czf .build/node_modules_cache/cache.tgz --files-from .build/node_modules_list.txt

      - name: Copy codicons
        run: cp node_modules/@vscode/codicons/dist/codicon.ttf src/vs/base/browser/ui/codicons/codicon/codicon.ttf

      - name: Transpile source
        run: npm run transpile-client

      - name: Install Playwright Chromium
        run: npx playwright install chromium

      - name: Start serve-out
        # The scan attaches to an already-running serve (component-explorer-attach.json).
        # Start it in the background and wait until rspack reports the loopback URL.
        run: |
          npm run serve-out-rspack > /tmp/serve-out.log 2>&1 &
          echo "SERVE_PID=$!" >> "$GITHUB_ENV"
          for i in $(seq 1 120); do
            if grep -q "Loopback: http://localhost:5123/" /tmp/serve-out.log; then
              echo "serve-out is ready"
              exit 0
            fi
            sleep 2
          done
          echo "::error::serve-out did not become ready in time"
          cat /tmp/serve-out.log
          exit 1

      - name: Run CSS order scan
        run: node test/componentFixtures/cssOrderScan.mts --fixture-id-regex ".*"

      - name: Stop serve-out
        if: always()
        run: kill "$SERVE_PID" 2>/dev/null || true

      - name: Upload serve-out log
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: serve-out-log
          path: /tmp/serve-out.log

      - name: Upload report
        if: always()
        uses: actions/upload-artifact@v7
        with:
          name: css-order-report
          path: test/componentFixtures/.build/css-order-report/

      - name: Write job summary
        if: always()
        run: |
          REPORT="test/componentFixtures/.build/css-order-report/report.md"
          if [ -f "$REPORT" ]; then
            cat "$REPORT" >> "$GITHUB_STEP_SUMMARY"
          else
            echo "No report was produced." >> "$GITHUB_STEP_SUMMARY"
          fi