lighthouse.yml

name: Lighthouse

on:
    pull_request:
        types:
            - review_requested

jobs:
    lighthouse:
        name: Lighthouse Auditing
        runs-on: ubuntu-latest
        steps:
            - name: Checkout code
              uses: actions/checkout@v4

            - name: Setup Node.js
              uses: actions/setup-node@v4
              with:
                  node-version: ${{ env.node_version }}

            - name: Install dependencies
              run: npm install

            - name: Create .env file from .env.example
              run: cat .env.example > .env

            - name: Build application
              run: npm run build

            - name: Generate URLs
              id: urls
              uses: actions/github-script@v7
              with:
                  github-token: ${{ secrets.GITHUB_TOKEN }}
                  script: |
                      const globber = await glob.create('**/src/routes/**/+page.svelte');
                      const files = await globber.glob();
                      const urls = files
                          .map(x => x.match(/routes\/([a-zA-Z\/\[\]]*?)\/?\+page\.svelte/)[1])
                          .map(x => x.replace('[paperId]', '42').replace('[projectId]', '12'))
                          .map(x => `http://localhost:8080/${x}`)
                          .join('\n');
                      core.setOutput('urls', urls);

            # Add '& echo ...' to run command in background
            - name: Serve website
              run: npm run preview -- --port 8080 & echo "Server started on http://localhost:8080"

            - name: Audit URLs using Lighthouse
              uses: treosh/lighthouse-ci-action@v12
              with:
                  urls: |
                      ${{ steps.urls.outputs.urls }}
                  uploadArtifacts: true
                  configPath: .github/lighthouserc.json