remove Object.fromEntries polyfill for node 10 in test utils

[stefanprobst]

cleanup: this removes the Object.fromEntries poyfill in test utils, which should no longer be required in node 12+.

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

[timneutkens]

Thanks!

[ijjk]

Stats from current PR

Default Build (Increase detected ⚠️)

General

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
buildDuration	22.8s	23s	⚠️ +222ms
buildDurationCached	4.9s	4.7s	-165ms
nodeModulesSize	294 MB	294 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.704	3.637	-0.07
/ avg req/sec	675	687.31	+12.31
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	2.089	2.06	-0.03
/error-in-render avg req/sec	1196.89	1213.53	+16.64

Client Bundles (main, webpack, commons)

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
450.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	28 kB	28 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	71.9 kB	71.9 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
_app-HASH.js gzip	1.23 kB	1.23 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	✓
334f979574ae..6f4.css gzip	106 B	106 B	✓
Overall change	13.1 kB	13.1 kB	✓

Client Build Manifests

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
_buildManifest.js gzip	459 B	459 B	✓
Overall change	459 B	459 B	✓

Rendered Page Sizes

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
index.html gzip	534 B	534 B	✓
link.html gzip	546 B	546 B	✓
withRouter.html gzip	528 B	528 B	✓
Overall change	1.61 kB	1.61 kB	✓

---

Default Build with SWC (Increase detected ⚠️)

General

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
buildDuration	25s	24.9s	-162ms
buildDurationCached	4.9s	5s	⚠️ +127ms
nodeModulesSize	294 MB	294 MB	✓

Page Load Tests Overall increase ✓

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.716	3.852	⚠️ +0.14
/ avg req/sec	672.82	649.06	⚠️ -23.76
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	2.144	2.032	-0.11
/error-in-render avg req/sec	1166.12	1230.03	+63.91

Client Bundles (main, webpack, commons)

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
450.HASH.js gzip	179 B	179 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	1.43 kB	1.43 kB	✓
Overall change	72.1 kB	72.1 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
_app-HASH.js gzip	1.22 kB	1.22 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	✓
334f979574ae..6f4.css gzip	106 B	106 B	✓
Overall change	13.1 kB	13.1 kB	✓

Client Build Manifests

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
_buildManifest.js gzip	460 B	460 B	✓
Overall change	460 B	460 B	✓

Rendered Page Sizes

	vercel/next.js canary	stefanprobst/next.js chore/remove-fromentries-polyfill	Change
index.html gzip	535 B	535 B	✓
link.html gzip	548 B	548 B	✓
withRouter.html gzip	529 B	529 B	✓
Overall change	1.61 kB	1.61 kB	✓

Commit: bae2bec

[ijjk]

Failing test suites

Commit: bae2bec

test/integration/preload-viewport/test/index.test.js

• Prefetching Links in viewport > should not prefetch already loaded scripts

Expand output

● Prefetching Links in viewport › should not prefetch already loaded scripts

expect(received).toBe(expected) // Object.is equality

Expected: false
Received: true

  397 |     expect(hrefs).toEqual([...new Set(hrefs)])
  398 |
> 399 |     // Verify encoding
      |     ^
  400 |     expect(hrefs.some((e) => e.includes(`%5Bhello%5D-`))).toBe(true)
  401 |   })
  402 |

  at Object.<anonymous> (integration/preload-viewport/test/index.test.js:399:5)