check.yml

---
name: 'Check'

on: pull_request

jobs:
  queue:
    runs-on: ubuntu-latest
    steps:
      - id: skip
        uses: fkirc/skip-duplicate-actions@master
        with:
          concurrent_skipping: 'outdated_runs'
          cancel_others: true
          skip_after_successful_duplicate: true
          do_not_skip: '["workflow_dispatch", "schedule"]'

  lint:
    needs: queue
    runs-on: ubuntu-latest
    steps:
      - name: Getting changes
        id: changes
        uses: dorny/paths-filter@v2
        with:
          filters: |
            js:
              - '**/*.js'
              - '**/*.json'
            md:
              - '**/*.md'
            scss:
              - '**/*.scss'
            tags:
              - 'src/site/_data/i18n/tags.yml'

      - name: Cloning repository
        uses: actions/checkout@v3

      - name: Setting up Node.js
        uses: actions/setup-node@v3
        with:
          cache: npm
          node-version: 16

      - name: Installing Node.js packages
        run: npm ci

      - name: Lint Tags
        if: ${{ steps.filter.outputs.tags == 'true' || steps.filter.outputs.md == 'true' }}
        uses: ./.github/actions/lint-tags

      - name: Linting JavaScript
        if: ${{ steps.changes.outputs.js == 'true' }}
        run: |
          npm run lint:js

      - name: Linting Markdown
        if: ${{ steps.changes.outputs.md == 'true' }}
        run: npm run lint:md

      - name: Linting SCSS
        if: ${{ steps.changes.outputs.scss == 'true' }}
        run: npm run lint:scss

  test:
    needs: queue
    runs-on: ubuntu-latest
    steps:
      - name: Getting changes
        id: changes
        uses: dorny/paths-filter@v2
        with:
          filters: |
            js:
              - 'package.json'
              - 'site/**/*.js'
              - 'server/**.js'
              - 'tests/**.js'

      - name: Cloning repository
        uses: actions/checkout@v3

      - name: Setting up Node.js
        uses: actions/setup-node@v3
        with:
          cache: npm
          node-version: 16

      - name: Installing Node.js packages
        run: npm ci

      - name: Running tests
        if: ${{ steps.changes.outputs.js == 'true' }}
        run: |
          npm run test

  build:
    needs: queue
    runs-on: ubuntu-latest
    steps:
      - name: Cloning repository
        uses: actions/checkout@v3

      - name: Setting up Node.js
        uses: actions/setup-node@v3
        with:
          cache: npm
          node-version: 16

      - name: Installing Node.js packages
        run: npm ci

      - name: Building site
        env:
          # Increase memory limit as a full build requires around 8GB
          NODE_OPTIONS: --max_old_space_size=8192
          ELEVENTY_ENV: staging
        run: npm run build

      - name: Packing up built files
        run: |
          cp firebase.json dist && tar cfj dist.tar.gz ./dist

      - name: Storing build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: dist-${{ github.run_id }}
          path: dist.tar.gz
          if-no-files-found: error

  lighthouse:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Getting changes
        id: changes
        uses: dorny/paths-filter@v2
        with:
          filters: |
            frontend:
              - 'package.json'
              - 'site/_js/**/*.js'
              - 'site/_includes/**/*.njk'
              - 'site/_scss/**/*.scss'

      - name: Cloning repository
        uses: actions/checkout@v3
        if: ${{ steps.changes.outputs.frontend == 'true' }}

      - name: Setting up Node.js
        uses: actions/setup-node@v3
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        with:
          cache: npm
          node-version: 16

      - name: Installing Node.js packages
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        run: npm ci

      - name: Downloading build artifacts
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        uses: actions/download-artifact@v3
        with:
          name: dist-${{ github.run_id }}

      - name: Unpacking built files
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        run: |
          tar xf dist.tar.gz && mv ./dist/firebase.json .

      - name: Lighthouse
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        run: |
          npx @lhci/cli@0.8.x autorun --config=./tools/lhci/lighthouserc.js

  percy:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Getting changes
        id: changes
        uses: dorny/paths-filter@v2
        with:
          filters: |
            frontend:
              - 'package.json'
              - 'site/_filters/**.js'
              - 'site/_includes/**'
              - 'site/_js/**.js'
              - 'site/_plugins/**.js'
              - 'site/_scss/**.scss'
              - 'site/_shortcodes/**.js'
              - 'site/_transforms/**.js'
              - 'site/_utils/**.js'
              - 'site/en/content-types/**'

      - name: Cloning repository
        uses: actions/checkout@v3
        if: ${{ steps.changes.outputs.frontend == 'true' }}

      - name: Setting up Node.js
        uses: actions/setup-node@v3
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        with:
          cache: npm
          node-version: 16

      - name: Installing Node.js packages
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        run: npm ci

      - name: Downloading build artifacts
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        uses: actions/download-artifact@v3
        with:
          name: dist-${{ github.run_id }}

      - name: Unpacking built files
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        run: |
          tar xf dist.tar.gz

      - name: Percy
        if: ${{ steps.changes.outputs.frontend == 'true' }}
        env:
          NODE_OPTIONS: "--max-old-space-size=8192"
          PERCY_TOKEN: ${{ secrets.PERCY_TOKEN }}
        run: npm run percy