ci: Add Lighthouse Test as Nightly CI run #20850
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| name: 'Nightly: Lighthouse' | ||
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| # Nightly: builds the Lighthouse fixture app and uploads bundles to the | ||
| # lighthouse.sentry.gg lab. Never blocks merges. | ||
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| on: | ||
| schedule: | ||
| - cron: '0 0 * * *' | ||
| workflow_dispatch: | ||
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| concurrency: | ||
| group: lighthouse-${{ github.run_id }} | ||
| cancel-in-progress: false | ||
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| env: | ||
| CACHED_DEPENDENCY_PATHS: | | ||
| ${{ github.workspace }}/node_modules | ||
| ${{ github.workspace }}/packages/*/node_modules | ||
| ${{ github.workspace }}/dev-packages/*/node_modules | ||
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| jobs: | ||
| build-and-upload: | ||
| name: Bundle and upload Lighthouse cells | ||
| runs-on: ubuntu-24.04 | ||
| timeout-minutes: 30 | ||
| env: | ||
| LIGHTHOUSE_LAB_URL: ${{ secrets.LIGHTHOUSE_LAB_URL }} | ||
| LIGHTHOUSE_UPLOAD_TOKEN: ${{ secrets.LIGHTHOUSE_UPLOAD_TOKEN }} | ||
| VITE_E2E_TEST_DSN: 'https://username@domain/123' | ||
| steps: | ||
| - uses: actions/checkout@v6 | ||
| - uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0 | ||
| with: | ||
| version: 9.15.9 | ||
| - uses: actions/setup-node@v6 | ||
| with: | ||
| node-version-file: 'package.json' | ||
| - uses: ./.github/actions/install-dependencies | ||
| - run: yarn build:ci | ||
| - run: yarn build:tarball | ||
| - run: yarn test:prepare | ||
| working-directory: dev-packages/e2e-tests | ||
| - run: node dev-packages/lighthouse-bundle/bundle-and-upload.mjs | ||
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| <!doctype html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8" /> | ||
| <link rel="icon" type="image/svg+xml" href="/logo.svg" /> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | ||
| <title>Lighthouse Fixture</title> | ||
| </head> | ||
| <body> | ||
| <div id="root"></div> | ||
| <script type="module" src="/src/main.tsx"></script> | ||
| </body> | ||
| </html> |
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| { | ||
| "name": "lighthouse-react-test-app", | ||
| "private": true, | ||
| "type": "module", | ||
| "sentryTest": { | ||
| "skip": true | ||
| }, | ||
| "scripts": { | ||
| "build": "vite build", | ||
| "build:no-sentry": "vite build --mode no-sentry", | ||
| "build:init-only": "vite build --mode init-only", | ||
| "build:tracing-replay": "vite build --mode tracing-replay", | ||
| "preview": "vite preview", | ||
| "clean": "npx rimraf node_modules pnpm-lock.yaml dist", | ||
| "test:build": "pnpm install && pnpm build" | ||
| }, | ||
| "dependencies": { | ||
| "@sentry/react": "file:../../packed/sentry-react-packed.tgz", | ||
| "react": "^18.3.1", | ||
| "react-dom": "^18.3.1" | ||
| }, | ||
| "devDependencies": { | ||
| "@types/react": "^18.3.0", | ||
| "@types/react-dom": "^18.3.0", | ||
| "@vitejs/plugin-react-swc": "^3.7.0", | ||
| "typescript": "~5.4.0", | ||
| "vite": "^5.4.0" | ||
| }, | ||
| "volta": { | ||
| "extends": "../../package.json" | ||
| } | ||
| } |
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| import { useEffect, useState } from 'react'; | ||
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| const CARDS = [ | ||
| { title: 'Performance', body: 'Measure and optimize your app render times and interaction latency.' }, | ||
| { title: 'Accessibility', body: 'Ensure your interface is usable by everyone, including assistive technologies.' }, | ||
| { title: 'Best Practices', body: 'Follow modern web development patterns for secure and maintainable code.' }, | ||
| { title: 'SEO', body: 'Optimize discoverability with semantic markup and structured metadata.' }, | ||
| { title: 'PWA', body: 'Add offline support and installability via service workers and manifests.' }, | ||
| { title: 'Security', body: 'Protect users with CSP headers, HTTPS, and input validation.' }, | ||
| ]; | ||
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| export default function App() { | ||
| const [count, setCount] = useState(0); | ||
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| useEffect(() => { | ||
| document.title = `Lighthouse Fixture (${count})`; | ||
| }, [count]); | ||
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| return ( | ||
| <main> | ||
| <header> | ||
| <nav> | ||
| <a href="/">Home</a> | ||
| <a href="/docs">Docs</a> | ||
| <a href="/about">About</a> | ||
| </nav> | ||
| </header> | ||
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| <section className="hero"> | ||
| <img src="/logo.svg" alt="Lighthouse logo" width={120} height={120} /> | ||
| <h1>Lighthouse Fixture</h1> | ||
| <p> | ||
| This app exists to measure JavaScript bundle size and runtime cost across three Sentry instrumentation | ||
| configurations. Each build mode ships a different level of SDK integration. | ||
| </p> | ||
| </section> | ||
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| <section className="cards"> | ||
| {CARDS.map(card => ( | ||
| <article key={card.title} className="card"> | ||
| <h2>{card.title}</h2> | ||
| <p>{card.body}</p> | ||
| </article> | ||
| ))} | ||
| </section> | ||
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| <form | ||
| onSubmit={e => { | ||
| e.preventDefault(); | ||
| setCount(c => c + 1); | ||
| }} | ||
| > | ||
| <input type="text" name="name" placeholder="Name" aria-label="Name" /> | ||
| <input type="email" name="email" placeholder="Email" aria-label="Email" /> | ||
| <input type="text" name="message" placeholder="Message" aria-label="Message" /> | ||
| <button type="submit">Submit ({count})</button> | ||
| </form> | ||
| </main> | ||
| ); | ||
| } |
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| import { createRoot } from 'react-dom/client'; | ||
| import App from './App'; | ||
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| async function bootstrap() { | ||
| const mode = import.meta.env.MODE; | ||
| if (mode === 'init-only') { | ||
| const { initSentry } = await import('./sentry/init-only'); | ||
| initSentry(); | ||
| } else if (mode === 'tracing-replay') { | ||
| const { initSentry } = await import('./sentry/tracing-replay'); | ||
| initSentry(); | ||
| } | ||
| // 'no-sentry' mode: do not import any sentry module — the dynamic-import | ||
| // branches above are unreachable and Vite drops them from the bundle. | ||
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| const root = createRoot(document.getElementById('root')!); | ||
| root.render(<App />); | ||
| } | ||
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| void bootstrap(); |
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| import * as Sentry from '@sentry/react'; | ||
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| export function initSentry(): void { | ||
| // enabled: false makes the SDK a guaranteed no-op (no transport allocation, | ||
| // no DSN warning). We're measuring pure SDK-loading + tree-shaking cost. | ||
| Sentry.init({ enabled: false }); | ||
| } |
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| export function initSentry(): void { | ||
| // no-op: this mode intentionally excludes all Sentry imports | ||
| } | ||
|
There was a problem hiding this comment. Unused dead code file never imported anywhereLow Severity The   Reviewed by Cursor Bugbot for commit 8113edd. Configure here. |
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| import * as Sentry from '@sentry/react'; | ||
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| export function initSentry(): void { | ||
| Sentry.init({ | ||
| dsn: import.meta.env.VITE_E2E_TEST_DSN as string | undefined, | ||
| release: 'lighthouse-fixture', | ||
| environment: 'qa', | ||
| integrations: [Sentry.browserTracingIntegration(), Sentry.replayIntegration()], | ||
| tracesSampleRate: 1.0, | ||
| replaysSessionSampleRate: 1.0, | ||
| replaysOnErrorSampleRate: 1.0, | ||
| }); | ||
| } |
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| { | ||
| "compilerOptions": { | ||
| "target": "ES2020", | ||
| "useDefineForClassFields": true, | ||
| "lib": ["ES2020", "DOM", "DOM.Iterable"], | ||
| "module": "ESNext", | ||
| "skipLibCheck": true, | ||
| "moduleResolution": "bundler", | ||
| "allowImportingTsExtensions": true, | ||
| "resolveJsonModule": true, | ||
| "isolatedModules": true, | ||
| "noEmit": true, | ||
| "jsx": "react-jsx", | ||
| "strict": true, | ||
| "noUnusedLocals": true, | ||
| "noUnusedParameters": true, | ||
| "noFallthroughCasesInSwitch": true | ||
| }, | ||
| "include": ["src"], | ||
| "references": [{ "path": "./tsconfig.node.json" }] | ||
| } |
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| { | ||
| "compilerOptions": { | ||
| "composite": true, | ||
| "skipLibCheck": true, | ||
| "module": "ESNext", | ||
| "moduleResolution": "bundler", | ||
| "allowSyntheticDefaultImports": true | ||
| }, | ||
| "include": ["vite.config.ts"] | ||
| } |
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| import { defineConfig } from 'vite'; | ||
| import react from '@vitejs/plugin-react-swc'; | ||
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| export default defineConfig({ | ||
| plugins: [react()], | ||
| }); |
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Concurrency group with run_id is a no-op
Low Severity
The concurrency group uses
github.run_id, which is unique per workflow run, making the entireconcurrencyblock a no-op — no run can ever conflict with another. Other workflows in this repo use the standard pattern${{ github.workflow }}-${{ github.head_ref || github.run_id }}for meaningful concurrency control. This block gives a false impression of concurrency management when none exists.Reviewed by Cursor Bugbot for commit 8113edd. Configure here.