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Enable jest hoist transform when using next/jest #33731

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merged 5 commits into from Jan 31, 2022

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@timneutkens timneutkens commented Jan 27, 2022

Fixes #32539

Implements what was shared at #32539 (comment).

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

Documentation / Examples

  • Make sure the linting passes by running yarn lint

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huozhi
huozhi previously approved these changes Jan 31, 2022
@huozhi huozhi self-requested a review January 31, 2022 14:47
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ijjk commented Jan 31, 2022

Stats from current PR

Default Build (Decrease detected ✓)
General Overall increase ⚠️
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
buildDuration 12.9s 12.7s -152ms
buildDurationCached 3.3s 3.3s -12ms
nodeModulesSize 358 MB 358 MB ⚠️ +452 B
Page Load Tests Overall decrease ⚠️
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
/ failed reqs 0 0
/ total time (seconds) 2.993 2.949 -0.04
/ avg req/sec 835.37 847.62 +12.25
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 1.386 1.408 ⚠️ +0.02
/error-in-render avg req/sec 1804.1 1775.24 ⚠️ -28.86
Client Bundles (main, webpack, commons)
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
450.HASH.js gzip 179 B 179 B
framework-HASH.js gzip 42.2 kB 42.2 kB
main-HASH.js gzip 27.2 kB 27.2 kB
webpack-HASH.js gzip 1.44 kB 1.44 kB
Overall change 71 kB 71 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
polyfills-HASH.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary timneutkens/next.js fix/jest-mock 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 326 B 326 B
dynamic-HASH.js gzip 2.37 kB 2.37 kB
head-HASH.js gzip 350 B 350 B
hooks-HASH.js gzip 919 B 919 B
image-HASH.js gzip 4.93 kB 4.93 kB
index-HASH.js gzip 263 B 263 B
link-HASH.js gzip 2.19 kB 2.19 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 14.3 kB 14.3 kB
Client Build Manifests
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
_buildManifest.js gzip 460 B 460 B
Overall change 460 B 460 B
Rendered Page Sizes
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
index.html gzip 530 B 530 B
link.html gzip 545 B 545 B
withRouter.html gzip 526 B 526 B
Overall change 1.6 kB 1.6 kB

Default Build with SWC (Decrease detected ✓)
General Overall increase ⚠️
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
buildDuration 16s 16.4s ⚠️ +389ms
buildDurationCached 3.3s 3.3s ⚠️ +10ms
nodeModulesSize 358 MB 358 MB ⚠️ +452 B
Page Load Tests Overall decrease ⚠️
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
/ failed reqs 0 0
/ total time (seconds) 3.017 2.987 -0.03
/ avg req/sec 828.66 836.95 +8.29
/error-in-render failed reqs 0 0
/error-in-render total time (seconds) 1.401 1.413 ⚠️ +0.01
/error-in-render avg req/sec 1784.58 1769.86 ⚠️ -14.72
Client Bundles (main, webpack, commons)
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
450.HASH.js gzip 179 B 179 B
framework-HASH.js gzip 42.3 kB 42.3 kB
main-HASH.js gzip 27.3 kB 27.3 kB
webpack-HASH.js gzip 1.44 kB 1.44 kB
Overall change 71.3 kB 71.3 kB
Legacy Client Bundles (polyfills)
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
polyfills-HASH.js gzip 31 kB 31 kB
Overall change 31 kB 31 kB
Client Pages
vercel/next.js canary timneutkens/next.js fix/jest-mock 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 2.36 kB 2.36 kB
head-HASH.js gzip 342 B 342 B
hooks-HASH.js gzip 911 B 911 B
image-HASH.js gzip 4.97 kB 4.97 kB
index-HASH.js gzip 256 B 256 B
link-HASH.js gzip 2.21 kB 2.21 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 14.3 kB 14.3 kB
Client Build Manifests
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
_buildManifest.js gzip 458 B 458 B
Overall change 458 B 458 B
Rendered Page Sizes
vercel/next.js canary timneutkens/next.js fix/jest-mock Change
index.html gzip 531 B 531 B
link.html gzip 544 B 544 B
withRouter.html gzip 526 B 526 B
Overall change 1.6 kB 1.6 kB
Commit: e8b21b6

@kodiakhq kodiakhq bot merged commit 3bac02e into vercel:canary Jan 31, 2022
natew pushed a commit to natew/next.js that referenced this pull request Feb 16, 2022
Fixes vercel#32539

Implements what was shared at vercel#32539 (comment).



## 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`

## Documentation / Examples

- [ ] Make sure the linting passes by running `yarn lint`
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Mocking issue when using Jest with the Rust compiler (next/jest)
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