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Fix Image srcset to ensure the component's width is the largest possible image #18236

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merged 3 commits into from Oct 26, 2020
Merged

Fix Image srcset to ensure the component's width is the largest possible image #18236

merged 3 commits into from Oct 26, 2020

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styfle
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@styfle styfle commented Oct 25, 2020

There was a bug when the user defines a width on the Image component, but a larger size image is requested.

This is because the browser uses the srcset to decide which image size to request and we had the srcset basically hardcoded.

This PR fixes the behavior so that the srcset will never be larger than the width defined on the component.

It also fixes a bug where the preload srcset did not match the img srcset.

@styfle styfle changed the title Fix image srcset Fix Image srcset to ensure the component's width is the largest possible image Oct 25, 2020
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ijjk commented Oct 25, 2020

Stats from current PR

Default Server Mode (Increase detected ⚠️)
General Overall increase ⚠️
vercel/next.js canary vercel/next.js fix-srcset-widths Change
buildDuration 14s 14.3s ⚠️ +246ms
nodeModulesSize 91.3 MB 91.3 MB ⚠️ +2.22 kB
Page Load Tests Overall increase ✓
vercel/next.js canary vercel/next.js fix-srcset-widths Change
/ failed reqs 0 0 ✓
/ total time (seconds) 2.789 2.662 -0.13
/ avg req/sec 896.3 938.97 +42.67
/error-in-render failed reqs 0 0 ✓
/error-in-render total time (seconds) 1.701 1.661 -0.04
/error-in-render avg req/sec 1469.89 1504.96 +35.07
Client Bundles (main, webpack, commons)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..574c.js gzip 11.2 kB 11.2 kB ✓
framework.HASH.js gzip 39 kB 39 kB ✓
main-3dd37a4..54de.js gzip 7.34 kB 7.34 kB ✓
webpack-e067..f178.js gzip 751 B 751 B ✓
Overall change 58.3 kB 58.3 kB ✓
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..dule.js gzip 7.02 kB 7.02 kB ✓
framework.HA..dule.js gzip 39 kB 39 kB ✓
main-082aff9..dule.js gzip 6.32 kB 6.32 kB ✓
webpack-07c5..dule.js gzip 751 B 751 B ✓
Overall change 53.1 kB 53.1 kB ✓
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
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Client Pages
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link-2d41a89..dule.js gzip 1.31 kB 1.31 kB ✓
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Overall change 5.4 kB 5.4 kB ✓
Client Build Manifests
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_buildManifest.js gzip 323 B 323 B ✓
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Rendered Page Sizes
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link.html gzip 1.01 kB 1.01 kB ✓
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General Overall increase ⚠️
vercel/next.js canary vercel/next.js fix-srcset-widths Change
buildDuration 16s 16.3s ⚠️ +381ms
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..574c.js gzip 11.2 kB 11.2 kB ✓
framework.HASH.js gzip 39 kB 39 kB ✓
main-3dd37a4..54de.js gzip 7.34 kB 7.34 kB ✓
webpack-e067..f178.js gzip 751 B 751 B ✓
Overall change 58.3 kB 58.3 kB ✓
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..dule.js gzip 7.02 kB 7.02 kB ✓
framework.HA..dule.js gzip 39 kB 39 kB ✓
main-082aff9..dule.js gzip 6.32 kB 6.32 kB ✓
webpack-07c5..dule.js gzip 751 B 751 B ✓
Overall change 53.1 kB 53.1 kB ✓
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
polyfills-4b..e242.js gzip 31 kB 31 kB ✓
Overall change 31 kB 31 kB ✓
Client Pages
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-9a0b9e1..b37e.js gzip 1.28 kB 1.28 kB ✓
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Overall change 5.4 kB 5.4 kB ✓
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
_buildManifest.js gzip 323 B 323 B ✓
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
_error.js 1.06 MB 1.06 MB ✓
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index.js 1.06 MB 1.06 MB ✓
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withRouter.js 1.1 MB 1.1 MB ✓
Overall change 5.42 MB 5.42 MB ✓
Commit: b37983a

timneutkens
timneutkens previously approved these changes Oct 26, 2020
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@styfle styfle mentioned this pull request Oct 26, 2020
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ijjk commented Oct 26, 2020

Stats from current PR

Default Server Mode (Increase detected ⚠️)
General Overall increase ⚠️
vercel/next.js canary vercel/next.js fix-srcset-widths Change
buildDuration 11.5s 12.1s ⚠️ +613ms
nodeModulesSize 91.3 MB 91.3 MB ⚠️ +2.89 kB
Page Load Tests Overall increase ✓
vercel/next.js canary vercel/next.js fix-srcset-widths Change
/ failed reqs 0 0 ✓
/ total time (seconds) 2.131 2.138 ⚠️ +0.01
/ avg req/sec 1172.91 1169.35 ⚠️ -3.56
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/error-in-render avg req/sec 2065.76 2135.07 +69.31
Client Bundles (main, webpack, commons)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..574c.js gzip 11.2 kB 11.2 kB ✓
framework.HASH.js gzip 39 kB 39 kB ✓
main-3dd37a4..54de.js gzip 7.34 kB 7.34 kB ✓
webpack-e067..f178.js gzip 751 B 751 B ✓
Overall change 58.3 kB 58.3 kB ✓
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..dule.js gzip 7.02 kB 7.02 kB ✓
framework.HA..dule.js gzip 39 kB 39 kB ✓
main-082aff9..dule.js gzip 6.32 kB 6.32 kB ✓
webpack-07c5..dule.js gzip 751 B 751 B ✓
Overall change 53.1 kB 53.1 kB ✓
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
polyfills-4b..e242.js gzip 31 kB 31 kB ✓
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Client Pages Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-75d3a82..dule.js gzip 625 B 625 B ✓
_error-4469a..dule.js gzip 2.29 kB 2.29 kB ✓
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link-2d41a89..dule.js gzip 1.31 kB 1.31 kB ✓
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Overall change 5.4 kB 5.4 kB ✓
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
_buildManifest.js gzip 323 B 323 B ✓
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index.html gzip 1 kB 1 kB ✓
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Serverless Mode
General Overall increase ⚠️
vercel/next.js canary vercel/next.js fix-srcset-widths Change
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..574c.js gzip 11.2 kB 11.2 kB ✓
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main-3dd37a4..54de.js gzip 7.34 kB 7.34 kB ✓
webpack-e067..f178.js gzip 751 B 751 B ✓
Overall change 58.3 kB 58.3 kB ✓
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
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main-082aff9..dule.js gzip 6.32 kB 6.32 kB ✓
webpack-07c5..dule.js gzip 751 B 751 B ✓
Overall change 53.1 kB 53.1 kB ✓
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
polyfills-4b..e242.js gzip 31 kB 31 kB ✓
Overall change 31 kB 31 kB ✓
Client Pages
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-9a0b9e1..b37e.js gzip 1.28 kB 1.28 kB ✓
_error-ed1b0..8fbd.js gzip 3.44 kB 3.44 kB ✓
hooks-89731c..c609.js gzip 887 B 887 B ✓
index-17468f..5d83.js gzip 227 B 227 B ✓
link-41ceea0..6b62.js gzip 1.35 kB 1.35 kB ✓
routerDirect..924c.js gzip 284 B 284 B ✓
withRouter-7..c13d.js gzip 284 B 284 B ✓
Overall change 7.75 kB 7.75 kB ✓
Client Pages Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-75d3a82..dule.js gzip 625 B 625 B ✓
_error-4469a..dule.js gzip 2.29 kB 2.29 kB ✓
hooks-cbf13f..dule.js gzip 387 B 387 B ✓
index-b9a643..dule.js gzip 226 B 226 B ✓
link-2d41a89..dule.js gzip 1.31 kB 1.31 kB ✓
routerDirect..dule.js gzip 284 B 284 B ✓
withRouter-f..dule.js gzip 282 B 282 B ✓
Overall change 5.4 kB 5.4 kB ✓
Client Build Manifests
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_buildManifest.js gzip 323 B 323 B ✓
_buildManife..dule.js gzip 329 B 329 B ✓
Overall change 652 B 652 B ✓
Serverless bundles
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_error.js 1.06 MB 1.06 MB ✓
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hooks.html 3.92 kB 3.92 kB ✓
index.js 1.06 MB 1.06 MB ✓
link.js 1.1 MB 1.1 MB ✓
routerDirect.js 1.1 MB 1.1 MB ✓
withRouter.js 1.1 MB 1.1 MB ✓
Overall change 5.42 MB 5.42 MB ✓
Commit: a2df7f6

@ijjk
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ijjk commented Oct 26, 2020

Stats from current PR

Default Server Mode (Decrease detected ✓)
General Overall increase ⚠️
vercel/next.js canary vercel/next.js fix-srcset-widths Change
buildDuration 11.9s 12.1s ⚠️ +143ms
nodeModulesSize 91.3 MB 91.3 MB ⚠️ +2.68 kB
Page Load Tests Overall decrease ⚠️
vercel/next.js canary vercel/next.js fix-srcset-widths Change
/ failed reqs 0 0 ✓
/ total time (seconds) 2.248 2.262 ⚠️ +0.01
/ avg req/sec 1111.96 1105.29 ⚠️ -6.67
/error-in-render failed reqs 0 0 ✓
/error-in-render total time (seconds) 1.218 1.27 ⚠️ +0.05
/error-in-render avg req/sec 2053.24 1967.86 ⚠️ -85.38
Client Bundles (main, webpack, commons)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..574c.js gzip 11.2 kB 11.2 kB ✓
framework.HASH.js gzip 39 kB 39 kB ✓
main-3dd37a4..54de.js gzip 7.34 kB 7.34 kB ✓
webpack-e067..f178.js gzip 751 B 751 B ✓
Overall change 58.3 kB 58.3 kB ✓
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..dule.js gzip 7.02 kB 7.02 kB ✓
framework.HA..dule.js gzip 39 kB 39 kB ✓
main-082aff9..dule.js gzip 6.32 kB 6.32 kB ✓
webpack-07c5..dule.js gzip 751 B 751 B ✓
Overall change 53.1 kB 53.1 kB ✓
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
polyfills-4b..e242.js gzip 31 kB 31 kB ✓
Overall change 31 kB 31 kB ✓
Client Pages
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-9a0b9e1..b37e.js gzip 1.28 kB 1.28 kB ✓
_error-ed1b0..8fbd.js gzip 3.44 kB 3.44 kB ✓
hooks-89731c..c609.js gzip 887 B 887 B ✓
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link-41ceea0..6b62.js gzip 1.35 kB 1.35 kB ✓
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Client Pages Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-75d3a82..dule.js gzip 625 B 625 B ✓
_error-4469a..dule.js gzip 2.29 kB 2.29 kB ✓
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link-2d41a89..dule.js gzip 1.31 kB 1.31 kB ✓
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Client Build Manifests
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_buildManifest.js gzip 323 B 323 B ✓
_buildManife..dule.js gzip 329 B 329 B ✓
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
index.html gzip 1 kB 1 kB ✓
link.html gzip 1.01 kB 1.01 kB ✓
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Serverless Mode
General Overall increase ⚠️
vercel/next.js canary vercel/next.js fix-srcset-widths Change
buildDuration 14.2s 14.2s -35ms
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..574c.js gzip 11.2 kB 11.2 kB ✓
framework.HASH.js gzip 39 kB 39 kB ✓
main-3dd37a4..54de.js gzip 7.34 kB 7.34 kB ✓
webpack-e067..f178.js gzip 751 B 751 B ✓
Overall change 58.3 kB 58.3 kB ✓
Client Bundles (main, webpack, commons) Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
677f882d2ed8..dule.js gzip 7.02 kB 7.02 kB ✓
framework.HA..dule.js gzip 39 kB 39 kB ✓
main-082aff9..dule.js gzip 6.32 kB 6.32 kB ✓
webpack-07c5..dule.js gzip 751 B 751 B ✓
Overall change 53.1 kB 53.1 kB ✓
Legacy Client Bundles (polyfills)
vercel/next.js canary vercel/next.js fix-srcset-widths Change
polyfills-4b..e242.js gzip 31 kB 31 kB ✓
Overall change 31 kB 31 kB ✓
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vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-9a0b9e1..b37e.js gzip 1.28 kB 1.28 kB ✓
_error-ed1b0..8fbd.js gzip 3.44 kB 3.44 kB ✓
hooks-89731c..c609.js gzip 887 B 887 B ✓
index-17468f..5d83.js gzip 227 B 227 B ✓
link-41ceea0..6b62.js gzip 1.35 kB 1.35 kB ✓
routerDirect..924c.js gzip 284 B 284 B ✓
withRouter-7..c13d.js gzip 284 B 284 B ✓
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Client Pages Modern
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_app-75d3a82..dule.js gzip 625 B 625 B ✓
_error-4469a..dule.js gzip 2.29 kB 2.29 kB ✓
hooks-cbf13f..dule.js gzip 387 B 387 B ✓
index-b9a643..dule.js gzip 226 B 226 B ✓
link-2d41a89..dule.js gzip 1.31 kB 1.31 kB ✓
routerDirect..dule.js gzip 284 B 284 B ✓
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Overall change 5.4 kB 5.4 kB ✓
Client Build Manifests
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_buildManifest.js gzip 323 B 323 B ✓
_buildManife..dule.js gzip 329 B 329 B ✓
Overall change 652 B 652 B ✓
Serverless bundles
vercel/next.js canary vercel/next.js fix-srcset-widths Change
_error.js 1.06 MB 1.06 MB ✓
404.html 4.73 kB 4.73 kB ✓
hooks.html 3.92 kB 3.92 kB ✓
index.js 1.06 MB 1.06 MB ✓
link.js 1.1 MB 1.1 MB ✓
routerDirect.js 1.1 MB 1.1 MB ✓
withRouter.js 1.1 MB 1.1 MB ✓
Overall change 5.42 MB 5.42 MB ✓
Commit: 77b015f

@kodiakhq kodiakhq bot merged commit 61fab92 into canary Oct 26, 2020
@kodiakhq kodiakhq bot deleted the fix-srcset-widths branch October 26, 2020 14:29
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