Add layout to data-nimg attribute

[atcastle]

This PR is just a small change to add the layout to the nimg data attribute on the image component. Currently this renders as data-nimg=true so this won't increase page sizes.

[ijjk]

Stats from current PR

Default Build (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
buildDuration	16.6s	16.4s	-265ms
buildDurationCached	3.7s	4.1s	⚠️ +390ms
nodeModulesSize	61.4 MB	61.4 MB	⚠️ +24 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.001	2.986	-0.01
/ avg req/sec	833.19	837.24	+4.05
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.752	1.819	⚠️ +0.07
/error-in-render avg req/sec	1427.31	1374.37	⚠️ -52.94

Client Bundles (main, webpack, commons)

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
745.HASH.js gzip	179 B	179 B	✓
framework-HASH.js gzip	42.2 kB	42.2 kB	✓
main-HASH.js gzip	23.2 kB	23.2 kB	✓
webpack-HASH.js gzip	1.45 kB	1.45 kB	✓
Overall change	67.1 kB	67.1 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	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	atcastle/next.js augment-nimg-attribute	Change
_buildManifest.js gzip	491 B	491 B	✓
Overall change	491 B	491 B	✓

Rendered Page Sizes

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
index.html gzip	541 B	541 B	✓
link.html gzip	553 B	553 B	✓
withRouter.html gzip	534 B	534 B	✓
Overall change	1.63 kB	1.63 kB	✓

Diffs

Diff for _buildManifest.js

@@ -17,7 +17,7 @@ self.__BUILD_MANIFEST = {
     "static\u002Fchunks\u002Fpages\u002Fhooks-f6efb8a484d4a96e150c.js"
   ],
   "/image": [
-    "static\u002Fchunks\u002Fpages\u002Fimage-474b709f83960ad881c7.js"
+    "static\u002Fchunks\u002Fpages\u002Fimage-16bdd752b8e3d0e36706.js"
   ],
   "/link": ["static\u002Fchunks\u002Fpages\u002Flink-f62bdaa581311495bb85.js"],
   "/routerDirect": [

Diff for image-HASH.js

@@ -643,7 +643,7 @@
             "img",
             Object.assign({}, rest, imgAttributes, {
               decoding: "async",
-              "data-nimg": true,
+              "data-nimg": layout,
               className: className,
               ref: function ref(img) {
                 setRef(img);
@@ -677,7 +677,7 @@
                 }),
                 {
                   decoding: "async",
-                  "data-nimg": true,
+                  "data-nimg": layout,
                   style: imgStyle,
                   className: className,
                   loading: loading || "lazy"

---

Webpack 4 Mode (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
buildDuration	13.6s	13.6s	-58ms
buildDurationCached	5.7s	5.4s	-265ms
nodeModulesSize	61.4 MB	61.4 MB	⚠️ +24 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
/ failed reqs	0	0	✓
/ total time (seconds)	3.082	3.084	0
/ avg req/sec	811.09	810.63	⚠️ -0.46
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.882	1.903	⚠️ +0.02
/error-in-render avg req/sec	1328.12	1313.72	⚠️ -14.4

Client Bundles (main, webpack, commons)

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	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	10.6 kB	10.6 kB	✓
webpack-HASH.js gzip	1.19 kB	1.19 kB	✓
Overall change	68 kB	68 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
polyfills-a4..dd70.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	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	2.98 kB	2.98 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	atcastle/next.js augment-nimg-attribute	Change
_buildManifest.js gzip	500 B	500 B	✓
Overall change	500 B	500 B	✓

Rendered Page Sizes

	vercel/next.js canary	atcastle/next.js augment-nimg-attribute	Change
index.html gzip	585 B	585 B	✓
link.html gzip	597 B	597 B	✓
withRouter.html gzip	577 B	577 B	✓
Overall change	1.76 kB	1.76 kB	✓

Commit: e6d05f7

[ijjk]

Failing test suites

Commit: e6d05f7

test/acceptance/ReactRefreshLogBox.dev.test.js

• render error not shown right after syntax error

Expand output

● render error not shown right after syntax error

Application is in inconsistent state: timeout.

   95 |           }
   96 |           if (status !== 'pending') {
>  97 |             throw new Error(`Application is in inconsistent state: ${status}.`)
      |                   ^
   98 |           }
   99 |
  100 |           await new Promise((resolve) => setTimeout(resolve, 30))

  at Object.patch (acceptance/helpers.js:97:19)
      at runMicrotasks (<anonymous>)
  at Object.<anonymous> (acceptance/ReactRefreshLogBox.dev.test.js:238:3)