[Fix] Adds try/catch to gracefully handle performance observer exception #35202
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huzaifarif
requested review from
timneutkens,
ijjk,
shuding and
huozhi
as code owners
Stats from current PRDefault Build (Decrease detected ✓)General Overall increase
|
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| buildDuration | 17.5s | 17.4s | -33ms |
| buildDurationCached | 6.9s | 6.9s | ✓ |
| nodeModulesSize | 372 MB | 372 MB |
Page Load Tests Overall decrease ⚠️
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| / failed reqs | 0 | 0 | ✓ |
| / total time (seconds) | 3.491 | 3.476 | -0.02 |
| / avg req/sec | 716.1 | 719.16 | +3.06 |
| /error-in-render failed reqs | 0 | 0 | ✓ |
| /error-in-render total time (seconds) | 1.521 | 1.539 | |
| /error-in-render avg req/sec | 1644.18 | 1624.88 |
Client Bundles (main, webpack)
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| 925.HASH.js gzip | 179 B | 179 B | ✓ |
| framework-HASH.js gzip | 42 kB | 42 kB | ✓ |
| main-HASH.js gzip | 27.9 kB | 27.9 kB | ✓ |
| webpack-HASH.js gzip | 1.44 kB | 1.44 kB | ✓ |
| Overall change | 71.6 kB | 71.6 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| polyfills-HASH.js gzip | 31 kB | 31 kB | ✓ |
| Overall change | 31 kB | 31 kB | ✓ |
Client Pages
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| _app-HASH.js gzip | 1.36 kB | 1.36 kB | ✓ |
| _error-HASH.js gzip | 192 B | 192 B | ✓ |
| amp-HASH.js gzip | 309 B | 309 B | ✓ |
| css-HASH.js gzip | 327 B | 327 B | ✓ |
| dynamic-HASH.js gzip | 2.57 kB | 2.57 kB | ✓ |
| head-HASH.js gzip | 351 B | 351 B | ✓ |
| hooks-HASH.js gzip | 920 B | 920 B | ✓ |
| image-HASH.js gzip | 5.09 kB | 5.09 kB | ✓ |
| index-HASH.js gzip | 263 B | 263 B | ✓ |
| link-HASH.js gzip | 2.26 kB | 2.26 kB | ✓ |
| routerDirect..HASH.js gzip | 320 B | 320 B | ✓ |
| script-HASH.js gzip | 387 B | 387 B | ✓ |
| withRouter-HASH.js gzip | 319 B | 319 B | ✓ |
| 85e02e95b279..7e3.css gzip | 107 B | 107 B | ✓ |
| Overall change | 14.8 kB | 14.8 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 460 B | 460 B | ✓ |
| Overall change | 460 B | 460 B | ✓ |
Rendered Page Sizes
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| index.html gzip | 530 B | 530 B | ✓ |
| link.html gzip | 544 B | 544 B | ✓ |
| withRouter.html gzip | 524 B | 524 B | ✓ |
| Overall change | 1.6 kB | 1.6 kB | ✓ |
Default Build with SWC (Decrease detected ✓)
General Overall increase ⚠️
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| buildDuration | 20.4s | 20.9s | |
| buildDurationCached | 6.8s | 6.9s | |
| nodeModulesSize | 372 MB | 372 MB |
Page Load Tests Overall decrease ⚠️
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| / failed reqs | 0 | 0 | ✓ |
| / total time (seconds) | 3.536 | 3.554 | |
| / avg req/sec | 706.91 | 703.43 | |
| /error-in-render failed reqs | 0 | 0 | ✓ |
| /error-in-render total time (seconds) | 1.544 | 1.592 | |
| /error-in-render avg req/sec | 1618.91 | 1570.61 |
Client Bundles (main, webpack)
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| 925.HASH.js gzip | 178 B | 178 B | ✓ |
| framework-HASH.js gzip | 42.3 kB | 42.3 kB | ✓ |
| main-HASH.js gzip | 28.2 kB | 28.2 kB | ✓ |
| webpack-HASH.js gzip | 1.45 kB | 1.45 kB | ✓ |
| Overall change | 72.2 kB | 72.2 kB | ✓ |
Legacy Client Bundles (polyfills)
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| polyfills-HASH.js gzip | 31 kB | 31 kB | ✓ |
| Overall change | 31 kB | 31 kB | ✓ |
Client Pages
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| _app-HASH.js gzip | 1.35 kB | 1.35 kB | ✓ |
| _error-HASH.js gzip | 179 B | 179 B | ✓ |
| amp-HASH.js gzip | 313 B | 313 B | ✓ |
| css-HASH.js gzip | 324 B | 324 B | ✓ |
| dynamic-HASH.js gzip | 2.56 kB | 2.56 kB | ✓ |
| head-HASH.js gzip | 351 B | 351 B | ✓ |
| hooks-HASH.js gzip | 921 B | 921 B | ✓ |
| image-HASH.js gzip | 5.23 kB | 5.23 kB | ✓ |
| index-HASH.js gzip | 261 B | 261 B | ✓ |
| link-HASH.js gzip | 2.33 kB | 2.33 kB | ✓ |
| routerDirect..HASH.js gzip | 322 B | 322 B | ✓ |
| script-HASH.js gzip | 388 B | 388 B | ✓ |
| withRouter-HASH.js gzip | 317 B | 317 B | ✓ |
| 85e02e95b279..7e3.css gzip | 107 B | 107 B | ✓ |
| Overall change | 15 kB | 15 kB | ✓ |
Client Build Manifests
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| _buildManifest.js gzip | 459 B | 459 B | ✓ |
| Overall change | 459 B | 459 B | ✓ |
Rendered Page Sizes
| vercel/next.js canary | huzaifarif/next.js fix/35200-performance-observer-error | Change | |
|---|---|---|---|
| index.html gzip | 531 B | 531 B | ✓ |
| link.html gzip | 545 B | 545 B | ✓ |
| withRouter.html gzip | 527 B | 527 B | ✓ |
| Overall change | 1.6 kB | 1.6 kB | ✓ |
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Handle error thrown in older chrome versions for
performanceObserver.observe()when noeventTypesare passed in options.eventTypesmust not be passed when usingtypeandbufferedoptions as per MDN but older browsers like Chrome 69 does not respect this spec.