Add fetchPriority to <img> and <link>

Author: styfle

fixtures/attribute-behavior/AttributeTableSnapshot.md

@@ -3348,6 +3348,56 @@
 | `externalResourcesRequired=(null)`| (initial)| `<null>` |
 | `externalResourcesRequired=(undefined)`| (initial)| `<null>` |
 
+## `fetchPriority` (on `<img>` inside `<div>`)
+| Test Case | Flags | Result |
+| --- | --- | --- |
+| `fetchPriority=(string)`| (changed)| `"a string"` |
+| `fetchPriority=(empty string)`| (initial)| `<empty string>` |
+| `fetchPriority=(array with string)`| (changed)| `"string"` |
+| `fetchPriority=(empty array)`| (initial)| `<empty string>` |
+| `fetchPriority=(object)`| (changed)| `"result of toString()"` |
+| `fetchPriority=(numeric string)`| (changed)| `"42"` |
+| `fetchPriority=(-1)`| (changed)| `"-1"` |
+| `fetchPriority=(0)`| (changed)| `"0"` |
+| `fetchPriority=(integer)`| (changed)| `"1"` |
+| `fetchPriority=(NaN)`| (changed, warning)| `"NaN"` |
+| `fetchPriority=(float)`| (changed)| `"99.99"` |
+| `fetchPriority=(true)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(false)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(string 'true')`| (changed)| `"true"` |
+| `fetchPriority=(string 'false')`| (changed)| `"false"` |
+| `fetchPriority=(string 'on')`| (changed)| `"on"` |
+| `fetchPriority=(string 'off')`| (changed)| `"off"` |
+| `fetchPriority=(symbol)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(function)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(null)`| (initial)| `<empty string>` |
+| `fetchPriority=(undefined)`| (initial)| `<empty string>` |
+
+## `fetchPriority` (on `<link>` inside `<div>`)
+| Test Case | Flags | Result |
+| --- | --- | --- |
+| `fetchPriority=(string)`| (changed)| `"a string"` |
+| `fetchPriority=(empty string)`| (initial)| `<empty string>` |
+| `fetchPriority=(array with string)`| (changed)| `"string"` |
+| `fetchPriority=(empty array)`| (initial)| `<empty string>` |
+| `fetchPriority=(object)`| (changed)| `"result of toString()"` |
+| `fetchPriority=(numeric string)`| (changed)| `"42"` |
+| `fetchPriority=(-1)`| (changed)| `"-1"` |
+| `fetchPriority=(0)`| (changed)| `"0"` |
+| `fetchPriority=(integer)`| (changed)| `"1"` |
+| `fetchPriority=(NaN)`| (changed, warning)| `"NaN"` |
+| `fetchPriority=(float)`| (changed)| `"99.99"` |
+| `fetchPriority=(true)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(false)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(string 'true')`| (changed)| `"true"` |
+| `fetchPriority=(string 'false')`| (changed)| `"false"` |
+| `fetchPriority=(string 'on')`| (changed)| `"on"` |
+| `fetchPriority=(string 'off')`| (changed)| `"off"` |
+| `fetchPriority=(symbol)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(function)`| (initial, warning)| `<empty string>` |
+| `fetchPriority=(null)`| (initial)| `<empty string>` |
+| `fetchPriority=(undefined)`| (initial)| `<empty string>` |
+
 ## `fill` (on `<path>` inside `<svg>`)
 | Test Case | Flags | Result |
 | --- | --- | --- |

fixtures/attribute-behavior/src/attributes.js

@@ -573,6 +573,9 @@ const attributes = [
     tagName: 'path',
     read: getSVGAttribute('externalResourcesRequired'),
   },
+  {name: 'fetchPriority', tagName: 'img'},
+  {name: 'fetchpriority', tagName: 'img'},
+  {name: 'fetchPriority', tagName: 'link', read: getProperty('fetchPriority')},
   {
     name: 'fill',
     containerTagName: 'svg',

packages/react-dom-bindings/src/shared/possibleStandardNames.js

@@ -60,6 +60,7 @@ const possibleStandardNames = {
   draggable: 'draggable',
   enctype: 'encType',
   enterkeyhint: 'enterKeyHint',
+  fetchpriority: 'fetchPriority',
   for: 'htmlFor',
   form: 'form',
   formmethod: 'formMethod',