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Add support for legacy decorators through tsconfig/jsconfig #31376

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merged 3 commits into from Nov 13, 2021

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timneutkens
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Fixes #31375

Bug

  • Related issues linked using fixes #number
  • Integration tests added
  • Errors have helpful link attached, see contributing.md

Feature

  • Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
  • Related issues linked using fixes #number
  • Integration tests added
  • Documentation added
  • Telemetry added. In case of a feature if it's used or not.
  • Errors have helpful link attached, see contributing.md

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  • Make sure the linting passes by running yarn lint

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I found one thing which may not be an intentional modification.

packages/next/build/jest/jest.ts Show resolved Hide resolved
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I found one change which may not be an intentional change.

@ijjk

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I think it's good now.

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ijjk commented Nov 13, 2021

Stats from current PR

Default Build (Increase detected ⚠️)
General Overall increase ⚠️
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
buildDuration 22.7s 22.1s -522ms
buildDurationCached 4.6s 4.3s -261ms
nodeModulesSize 335 MB 335 MB ⚠️ +1.18 kB
Page Load Tests Overall increase ✓
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
/ failed reqs 0 0
/ total time (seconds) 3.873 3.849 -0.02
/ avg req/sec 645.47 649.45 +3.98
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 2.07 2.062 -0.01
/error-in-render avg req/sec 1207.74 1212.49 +4.75
Client Bundles (main, webpack, commons)
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
450.HASH.js gzip 179 B 179 B
framework-HASH.js gzip 42.2 kB 42.2 kB
main-HASH.js gzip 28.3 kB 28.3 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 timneutkens/next.js add/legacy-decorators Change
polyfills-HASH.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
_app-HASH.js gzip 1.37 kB 1.37 kB
_error-HASH.js gzip 194 B 194 B
amp-HASH.js gzip 312 B 312 B
css-HASH.js gzip 327 B 327 B
dynamic-HASH.js gzip 2.38 kB 2.38 kB
head-HASH.js gzip 350 B 350 B
hooks-HASH.js gzip 635 B 635 B
image-HASH.js gzip 4.44 kB 4.44 kB
index-HASH.js gzip 263 B 263 B
link-HASH.js gzip 1.87 kB 1.87 kB
routerDirect..HASH.js gzip 321 B 321 B
script-HASH.js gzip 383 B 383 B
withRouter-HASH.js gzip 318 B 318 B
85e02e95b279..7e3.css gzip 107 B 107 B
Overall change 13.3 kB 13.3 kB
Client Build Manifests
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
_buildManifest.js gzip 460 B 460 B
Overall change 460 B 460 B
Rendered Page Sizes
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
index.html gzip 524 B 524 B
link.html gzip 535 B 535 B
withRouter.html gzip 517 B 517 B
Overall change 1.58 kB 1.58 kB

Default Build with SWC (Decrease detected ✓)
General Overall increase ⚠️
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
buildDuration 24.1s 23.8s -321ms
buildDurationCached 4.3s 4.3s ⚠️ +39ms
nodeModulesSize 335 MB 335 MB ⚠️ +1.18 kB
Page Load Tests Overall decrease ⚠️
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
/ failed reqs 0 0
/ total time (seconds) 3.849 3.777 -0.07
/ avg req/sec 649.54 661.87 +12.33
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 2.019 2.043 ⚠️ +0.02
/error-in-render avg req/sec 1238.45 1223.82 ⚠️ -14.63
Client Bundles (main, webpack, commons)
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
450.HASH.js gzip 179 B 179 B
framework-HASH.js gzip 42.3 kB 42.3 kB
main-HASH.js gzip 28.5 kB 28.5 kB
webpack-HASH.js gzip 1.43 kB 1.43 kB
Overall change 72.5 kB 72.5 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
polyfills-HASH.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
_app-HASH.js gzip 1.35 kB 1.35 kB
_error-HASH.js gzip 180 B 180 B
amp-HASH.js gzip 305 B 305 B
css-HASH.js gzip 321 B 321 B
dynamic-HASH.js gzip 2.38 kB 2.38 kB
head-HASH.js gzip 342 B 342 B
hooks-HASH.js gzip 622 B 622 B
image-HASH.js gzip 4.46 kB 4.46 kB
index-HASH.js gzip 256 B 256 B
link-HASH.js gzip 1.91 kB 1.91 kB
routerDirect..HASH.js gzip 314 B 314 B
script-HASH.js gzip 375 B 375 B
withRouter-HASH.js gzip 309 B 309 B
85e02e95b279..7e3.css gzip 107 B 107 B
Overall change 13.2 kB 13.2 kB
Client Build Manifests
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
_buildManifest.js gzip 459 B 459 B
Overall change 459 B 459 B
Rendered Page Sizes
vercel/next.js canary timneutkens/next.js add/legacy-decorators Change
index.html gzip 521 B 521 B
link.html gzip 533 B 533 B
withRouter.html gzip 515 B 515 B
Overall change 1.57 kB 1.57 kB
Commit: 76d657d

@timneutkens timneutkens merged commit e0531e3 into vercel:canary Nov 13, 2021
@timneutkens timneutkens deleted the add/legacy-decorators branch November 13, 2021 17:26
@viczam
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viczam commented Nov 28, 2021

can you please also add "decoratorMetadata": true to swc?

@sannajammeh
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I've run into the same problem as @viczam . This completely breaks compatibility with libraries like next-api-decorators.
"decoratorMetadata": true should be enabled.

@vercel vercel locked as resolved and limited conversation to collaborators Jan 30, 2022
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Add support for legacy decorators when enabled in tsconfig/jsconfig
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