From 08dc781fe92b81583f0b265561c00ec0bc263a48 Mon Sep 17 00:00:00 2001
From: eps1lon <silbermann.sebastian@gmail.com>
Date: Thu, 7 Oct 2021 13:15:37 +0200
Subject: [PATCH] feat(react-dom): Add `imageSizes`

---
 .../AttributeTableSnapshot.md                 | 25 +++++++++++++++++++
 fixtures/attribute-behavior/src/attributes.js |  1 +
 .../src/shared/possibleStandardNames.js       |  1 +
 3 files changed, 27 insertions(+)

diff --git a/fixtures/attribute-behavior/AttributeTableSnapshot.md b/fixtures/attribute-behavior/AttributeTableSnapshot.md
index e191548c78dca..cbaadbca77699 100644
--- a/fixtures/attribute-behavior/AttributeTableSnapshot.md
+++ b/fixtures/attribute-behavior/AttributeTableSnapshot.md
@@ -5248,6 +5248,31 @@
 | `imageRendering=(null)`| (initial)| `<null>` |
 | `imageRendering=(undefined)`| (initial)| `<null>` |
 
+## `imageSizes` (on `<link>` inside `<div>`)
+| Test Case | Flags | Result |
+| --- | --- | --- |
+| `imageSizes=(string)`| (changed)| `"a string"` |
+| `imageSizes=(empty string)`| (initial)| `<empty string>` |
+| `imageSizes=(array with string)`| (changed)| `"string"` |
+| `imageSizes=(empty array)`| (initial)| `<empty string>` |
+| `imageSizes=(object)`| (changed)| `"result of toString()"` |
+| `imageSizes=(numeric string)`| (changed)| `"42"` |
+| `imageSizes=(-1)`| (changed)| `"-1"` |
+| `imageSizes=(0)`| (changed)| `"0"` |
+| `imageSizes=(integer)`| (changed)| `"1"` |
+| `imageSizes=(NaN)`| (changed, warning)| `"NaN"` |
+| `imageSizes=(float)`| (changed)| `"99.99"` |
+| `imageSizes=(true)`| (initial, warning)| `<empty string>` |
+| `imageSizes=(false)`| (initial, warning)| `<empty string>` |
+| `imageSizes=(string 'true')`| (changed)| `"true"` |
+| `imageSizes=(string 'false')`| (changed)| `"false"` |
+| `imageSizes=(string 'on')`| (changed)| `"on"` |
+| `imageSizes=(string 'off')`| (changed)| `"off"` |
+| `imageSizes=(symbol)`| (initial, warning)| `<empty string>` |
+| `imageSizes=(function)`| (initial, warning)| `<empty string>` |
+| `imageSizes=(null)`| (initial)| `<empty string>` |
+| `imageSizes=(undefined)`| (initial)| `<empty string>` |
+
 ## `imageSrcSet` (on `<link>` inside `<div>`)
 | Test Case | Flags | Result |
 | --- | --- | --- |
diff --git a/fixtures/attribute-behavior/src/attributes.js b/fixtures/attribute-behavior/src/attributes.js
index 3c875550f7c1e..6fc61700d3a4e 100644
--- a/fixtures/attribute-behavior/src/attributes.js
+++ b/fixtures/attribute-behavior/src/attributes.js
@@ -937,6 +937,7 @@ const attributes = [
     tagName: 'svg',
     read: getSVGAttribute('image-rendering'),
   },
+  {name: 'imageSizes', tagName: 'link', read: getProperty('imageSizes')},
   {name: 'imageSrcSet', tagName: 'link', read: getProperty('imageSrcset')},
   {
     name: 'in',
diff --git a/packages/react-dom/src/shared/possibleStandardNames.js b/packages/react-dom/src/shared/possibleStandardNames.js
index f95fc536545ec..98a7e70831530 100644
--- a/packages/react-dom/src/shared/possibleStandardNames.js
+++ b/packages/react-dom/src/shared/possibleStandardNames.js
@@ -79,6 +79,7 @@ const possibleStandardNames = {
   'http-equiv': 'httpEquiv',
   icon: 'icon',
   id: 'id',
+  imagesizes: 'imageSizes',
   imagesrcset: 'imageSrcSet',
   innerhtml: 'innerHTML',
   inputmode: 'inputMode',