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test(e2e): Add sentry-sdk-init measure and marks#21687

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Merged
Lms24 merged 1 commit into from
Jun 23, 2026
Merged

test(e2e): Add sentry-sdk-init measure and marks #21687

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15 changes: 15 additions & 0 deletions dev-packages/e2e-tests/test-applications/lighthouse-react/src/main.tsx
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Original file line numberDiff line numberDiff line change
Expand Up@@ -2,6 +2,11 @@ import * as Sentry from '@sentry/react';
import { createRoot } from 'react-dom/client';
import App from './App';

const sentryInitStart = performance.now();
performance.mark('sentry-sdk-init-start', {
detail: { mode: import.meta.env.MODE ?? 'unknown_mode' },
});

if (import.meta.env.MODE === 'tracing-replay') {
Sentry.init({
dsn: import.meta.env.VITE_E2E_TEST_DSN as string | undefined,
Expand DownExpand Up@@ -33,6 +38,16 @@ if (import.meta.env.MODE === 'tracing-replay') {
// no DSN warning). We're measuring pure SDK-loading + tree-shaking cost.
Sentry.init({ enabled: false });
}

performance.measure('sentry-sdk-init-duration', {
detail: { mode: import.meta.env.MODE ?? 'unknown_mode' },
start: sentryInitStart,
end: performance.now(),
});
performance.mark('sentry-sdk-init-end', {
detail: { mode: import.meta.env.MODE ?? 'unknown_mode' },
});

// 'no-sentry' mode: all branches above are statically dead, so Vite drops
// the @sentry/react import entirely from the bundle.

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