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Ensure dev server side errors are correct #28520

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merged 8 commits into from Aug 27, 2021

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@ijjk ijjk commented Aug 26, 2021

This updates server-side errors shown in the terminal to resolve the stack trace and show accurate line/columns and related source code similar to how we do in the dev overlay. This also updates to trigger the dev overlay when an error occurred in an API route and dismisses the overlay after the error as been fixed.

Examples:

before: `getServerSideProps` error Screen Shot 2021-08-25 at 23 16 40
after: `getServerSideProps` error Screen Shot 2021-08-25 at 21 49 35
before: API route error Screen Shot 2021-08-25 at 23 16 01
after: API route error Screen Shot 2021-08-25 at 21 47 01 Screen Shot 2021-08-25 at 20 46 58
before: uncaught rejection/exception Screen Shot 2021-08-26 at 09 27 58
after: uncaught rejection/exception Screen Shot 2021-08-26 at 09 27 22

Fixes: #26711
Fixes: #21904

@ijjk ijjk added created-by: Next.js team PRs by the Next.js team type: next labels Aug 26, 2021
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@ijjk ijjk marked this pull request as ready for review Aug 26, 2021
let usedOriginalStack = false
try {
const frames = parseStack(err.stack)
const frame = frames[0]
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@sokra sokra Aug 26, 2021

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I guess we should remap all frames

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@ijjk ijjk Aug 26, 2021

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Is showing the other frames helpful usually? We collapse all but the first in the dev overlay

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@sokra sokra left a comment

catching rejected Promises might also be a good idea

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ijjk commented Aug 26, 2021

Added catching of unhandled rejections/exceptions as well, good idea!

@ijjk ijjk requested a review from sokra Aug 26, 2021
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…de-errors

# Conflicts:
#	packages/next/server/render.tsx
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ijjk commented Aug 26, 2021

Stats from current PR

Default Build (Increase detected ⚠️)
General Overall increase ⚠️
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
buildDuration 15.8s 16s ⚠️ +213ms
buildDurationCached 3.8s 3.7s -153ms
nodeModulesSize 61.7 MB 61.7 MB ⚠️ +11.8 kB
Page Load Tests Overall increase ✓
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
/ failed reqs 0 0
/ total time (seconds) 3.016 2.907 -0.11
/ avg req/sec 828.82 859.96 +31.14
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 1.924 1.856 -0.07
/error-in-render avg req/sec 1299.47 1346.62 +47.15
Client Bundles (main, webpack, commons)
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
745.HASH.js gzip 179 B 179 B
framework-HASH.js gzip 42.2 kB 42.2 kB
main-HASH.js gzip 23.3 kB 23.3 kB
webpack-HASH.js gzip 1.45 kB 1.45 kB
Overall change 67.2 kB 67.2 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
polyfills-a4..dd70.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
_app-HASH.js gzip 979 B 979 B
_error-HASH.js gzip 194 B 194 B
amp-HASH.js gzip 312 B 312 B
css-HASH.js gzip 329 B 329 B
dynamic-HASH.js gzip 2.67 kB 2.67 kB
head-HASH.js gzip 351 B 351 B
hooks-HASH.js gzip 918 B 918 B
image-HASH.js gzip 4.14 kB 4.14 kB
index-HASH.js gzip 261 B 261 B
link-HASH.js gzip 1.66 kB 1.66 kB
routerDirect..HASH.js gzip 318 B 318 B
script-HASH.js gzip 387 B 387 B
withRouter-HASH.js gzip 320 B 320 B
bb14e60e810b..30f.css gzip 125 B 125 B
Overall change 13 kB 13 kB
Client Build Manifests
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
_buildManifest.js gzip 491 B 491 B
Overall change 491 B 491 B
Rendered Page Sizes
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
index.html gzip 541 B 541 B
link.html gzip 552 B 552 B
withRouter.html gzip 534 B 534 B
Overall change 1.63 kB 1.63 kB

Webpack 4 Mode (Increase detected ⚠️)
General Overall increase ⚠️
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
buildDuration 13.7s 13.5s -154ms
buildDurationCached 5.7s 5.6s -69ms
nodeModulesSize 61.7 MB 61.7 MB ⚠️ +11.8 kB
Page Load Tests Overall increase ✓
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
/ failed reqs 0 0
/ total time (seconds) 3.016 2.988 -0.03
/ avg req/sec 829.02 836.58 +7.56
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 1.909 1.869 -0.04
/error-in-render avg req/sec 1309.33 1337.38 +28.05
Client Bundles (main, webpack, commons)
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
16.HASH.js gzip 186 B 186 B
677f882d2ed8..HASH.js gzip 14.1 kB 14.1 kB
framework.HASH.js gzip 41.9 kB 41.9 kB
main-HASH.js gzip 10.7 kB 10.7 kB
webpack-HASH.js gzip 1.19 kB 1.19 kB
Overall change 68.1 kB 68.1 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
polyfills-a4..dd70.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
_app-HASH.js gzip 964 B 964 B
_error-HASH.js gzip 3.8 kB 3.8 kB
amp-HASH.js gzip 552 B 552 B
css-HASH.js gzip 333 B 333 B
dynamic-HASH.js gzip 2.87 kB 2.87 kB
head-HASH.js gzip 3.06 kB 3.06 kB
hooks-HASH.js gzip 924 B 924 B
index-HASH.js gzip 231 B 231 B
link-HASH.js gzip 1.64 kB 1.64 kB
routerDirect..HASH.js gzip 298 B 298 B
script-HASH.js gzip 3.03 kB 3.03 kB
withRouter-HASH.js gzip 295 B 295 B
30809af5c834..565.css gzip 125 B 125 B
Overall change 18.1 kB 18.1 kB
Client Build Manifests
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
_buildManifest.js gzip 500 B 500 B
Overall change 500 B 500 B
Rendered Page Sizes
vercel/next.js canary ijjk/next.js fix/dev-server-side-errors Change
index.html gzip 584 B 584 B
link.html gzip 597 B 597 B
withRouter.html gzip 578 B 578 B
Overall change 1.76 kB 1.76 kB
Commit: 3efc5c8

@timneutkens timneutkens merged commit f1dbc92 into vercel:canary Aug 27, 2021
33 checks passed
@timneutkens timneutkens deleted the fix/dev-server-side-errors branch Aug 27, 2021
This was referenced Sep 3, 2021
@vercel vercel locked as resolved and limited conversation to collaborators Jan 27, 2022
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console stack trace line numbers are incorrect or un-source-mapped Source Map Line Numbers Are Wrong
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