lighthouserc.js

// @ts-check

const config = {
  ci: {
    collect: {
      url: [
        'https://localhost:3080',
        'https://localhost:3080/search?q=repo:sourcegraph/lighthouse-ci-test-repository+file:index.js',
        'https://localhost:3080/github.com/sourcegraph/lighthouse-ci-test-repository',
        'https://localhost:3080/github.com/sourcegraph/lighthouse-ci-test-repository/-/blob/index.js',
      ],
      startServerCommand: 'yarn workspace @sourcegraph/web serve:prod',
      settings: {
        preset: 'desktop',
        chromeFlags: '--no-sandbox --disable-dev-shm-usage',
        // We skip a series of audits that are not currently supported by the local server
        skipAudits: [
          // SEO: Normally enabled dynamically for different paths in the production server
          'meta-description',
          // Best practices: HTTPS currently disabled in local server: https://github.com/sourcegraph/sourcegraph/issues/21869
          'is-on-https',
          'uses-http2',
          // SEO: Robots.txt file isn't served locally
          'robots-txt',
        ],
      },
    },
    upload: {
      target: 'temporary-public-storage',
    },
    assert: {
      assertions: {
        // The following assertions should remain in warn mode as Lighthouse is not setup to block CI.
        // Future issue to address this: https://github.com/sourcegraph/sourcegraph/issues/26347
        'categories:accessibility': ['warn', { minScore: 1 }],
        'categories:best-practices': ['warn', { minScore: 1 }],
        'categories:seo': ['warn', { minScore: 1 }],
        'categories:performance': ['warn', { minScore: 0.75 }],
      },
    },
  },
}

module.exports = config