[ESLint] Adds --format flag to next lint

[housseindjirdeh]

Adds --format support to next lint to allow defining of additional formatters. Fixes #26387.

[ijjk]

Looks good, thanks!

[ijjk]

Stats from current PR

Default Build (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
buildDuration	12.8s	12.8s	-7ms
buildDurationCached	3s	2.9s	-38ms
nodeModulesSize	49.5 MB	49.5 MB	⚠️ +2.62 kB

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.146	2.165	⚠️ +0.02
/ avg req/sec	1164.71	1154.91	⚠️ -9.8
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.175	1.194	⚠️ +0.02
/error-in-render avg req/sec	2127.51	2093.71	⚠️ -33.8

Client Bundles (main, webpack, commons)

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
359.HASH.js gzip	2.96 kB	2.96 kB	✓
745.HASH.js gzip	180 B	180 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	21 kB	21 kB	✓
webpack-HASH.js gzip	1.53 kB	1.53 kB	✓
Overall change	67.9 kB	67.9 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
polyfills-HASH.js gzip	31.1 kB	31.1 kB	✓
Overall change	31.1 kB	31.1 kB	✓

Client Pages

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
_app-HASH.js gzip	803 B	803 B	✓
_error-HASH.js gzip	3.06 kB	3.06 kB	✓
amp-HASH.js gzip	554 B	554 B	✓
css-HASH.js gzip	329 B	329 B	✓
dynamic-HASH.js gzip	2.52 kB	2.52 kB	✓
head-HASH.js gzip	2.28 kB	2.28 kB	✓
hooks-HASH.js gzip	903 B	903 B	✓
image-HASH.js gzip	5.63 kB	5.63 kB	✓
index-HASH.js gzip	261 B	261 B	✓
link-HASH.js gzip	1.66 kB	1.66 kB	✓
routerDirect..HASH.js gzip	319 B	319 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	19.1 kB	19.1 kB	✓

Client Build Manifests

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
_buildManifest.js gzip	489 B	489 B	✓
Overall change	489 B	489 B	✓

Rendered Page Sizes

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
index.html gzip	530 B	530 B	✓
link.html gzip	544 B	544 B	✓
withRouter.html gzip	525 B	525 B	✓
Overall change	1.6 kB	1.6 kB	✓

---

Webpack 4 Mode (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
buildDuration	10.3s	10.2s	-109ms
buildDurationCached	4s	3.9s	-54ms
nodeModulesSize	49.5 MB	49.5 MB	⚠️ +2.62 kB

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.163	2.195	⚠️ +0.03
/ avg req/sec	1155.85	1139.1	⚠️ -16.75
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.19	1.199	⚠️ +0.01
/error-in-render avg req/sec	2101.58	2084.93	⚠️ -16.65

Client Bundles (main, webpack, commons)

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
17.HASH.js gzip	2.98 kB	2.98 kB	✓
18.HASH.js gzip	185 B	185 B	✓
677f882d2ed8..HASH.js gzip	13.8 kB	13.8 kB	✓
framework.HASH.js gzip	41.9 kB	41.9 kB	✓
main-HASH.js gzip	8.4 kB	8.4 kB	✓
webpack-HASH.js gzip	1.22 kB	1.22 kB	✓
Overall change	68.5 kB	68.5 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
polyfills-HASH.js gzip	31.3 kB	31.3 kB	✓
Overall change	31.3 kB	31.3 kB	✓

Client Pages

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
_app-HASH.js gzip	791 B	791 B	✓
_error-HASH.js gzip	3.76 kB	3.76 kB	✓
amp-HASH.js gzip	552 B	552 B	✓
css-HASH.js gzip	333 B	333 B	✓
dynamic-HASH.js gzip	2.71 kB	2.71 kB	✓
head-HASH.js gzip	2.97 kB	2.97 kB	✓
hooks-HASH.js gzip	911 B	911 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	3.02 kB	3.02 kB	✓
withRouter-HASH.js gzip	294 B	294 B	✓
e025d2764813..52f.css gzip	125 B	125 B	✓
Overall change	17.6 kB	17.6 kB	✓

Client Build Manifests

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
_buildManifest.js gzip	500 B	500 B	✓
Overall change	500 B	500 B	✓

Rendered Page Sizes

	vercel/next.js canary	housseindjirdeh/next.js feature-request/26387	Change
index.html gzip	577 B	577 B	✓
link.html gzip	589 B	589 B	✓
withRouter.html gzip	570 B	570 B	✓
Overall change	1.74 kB	1.74 kB	✓

Commit: 90fb3d2