modtale/.github/workflows/lighthouse.yml at develop · Modtale/modtale · GitHub

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name: Lighthouse

on:
  push:
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.event.pull_request.head.sha || github.sha }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

permissions:
  contents: read
  actions: read
  pull-requests: read

jobs:
  dedupe:
    name: Avoid Duplicate Lighthouse Runs
    runs-on: ubuntu-latest
    outputs:
      should_run: ${{ steps.dedupe.outputs.should_run }}
    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Decide whether this run owns the Lighthouse work
        id: dedupe
        env:
          GH_TOKEN: ${{ github.token }}
          GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}
          PR_ACTION: ${{ github.event.action }}
          PR_HEAD_REPO: ${{ github.event.pull_request.head.repo.full_name }}
          PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
          WORKFLOW_FILE: lighthouse.yml
        run: bash .github/scripts/should-run-tests-workflow.sh

  detect-changes:
    name: Detect Changes
    needs: dedupe
    if: needs.dedupe.outputs.should_run == 'true'
    runs-on: ubuntu-latest
    outputs:
      frontend: ${{ steps.filter.outputs.frontend }}
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Detect changed components
        id: filter
        env:
          DEFAULT_BRANCH: ${{ github.event.repository.default_branch }}
          PR_BASE_SHA: ${{ github.event.pull_request.base.sha }}
          PR_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
          PUSH_BEFORE_SHA: ${{ github.event.before }}
        run: bash .github/scripts/detect-component-changes.sh

  audit:
    name: Lighthouse Audit (non-blocking)
    needs: detect-changes
    if: needs.detect-changes.outputs.frontend == 'true'
    runs-on: ubuntu-latest
    continue-on-error: true
    defaults:
      run:
        working-directory: frontend

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22.12.0
          cache: npm
          cache-dependency-path: frontend/package-lock.json

      - name: Install frontend dependencies
        run: npm ci

      - name: Set up Chrome for Lighthouse
        id: setup-chrome
        uses: browser-actions/setup-chrome@v2
        with:
          install-dependencies: true

      - name: Build frontend for Lighthouse
        run: npm run build

      - name: Run Lighthouse audit
        id: lighthouse
        continue-on-error: true
        env:
          CHROME_PATH: ${{ steps.setup-chrome.outputs.chrome-path }}
        run: npm run audit:lighthouse

      - name: Upload Lighthouse reports
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: lighthouse-reports
          path: frontend/.lighthouseci
          if-no-files-found: ignore
          retention-days: 7

      - name: Report Lighthouse audit result
        if: steps.lighthouse.outcome == 'failure'
        run: |
          echo "::warning::Lighthouse audit failed or thresholds were not met. This workflow is non-blocking; review the uploaded lighthouse-reports artifact for details."