[Fix] no-unknown-property support new precedence prop

Fixes #3827

Author: acusti

CHANGELOG.md

@@ -21,12 +21,14 @@ This change log adheres to standards from [Keep a CHANGELOG](https://keepachange
 
 ### Fixed
 * [`destructuring-assignment`]: fix false negative when using `typeof props.a` ([#3835][] @golopot)
+* [`no-unknown-property`]: support `precedence` prop ([#3829][] @acusti)
 
 ### Changed
 * [Refactor] [`destructuring-assignment`]: use `getParentStatelessComponent` ([#3835][] @golopot)
 
 [7.37.2]: https://github.com/jsx-eslint/eslint-plugin-react/compare/v7.37.1...v7.37.2
 [#3835]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3835
+[#3829]: https://github.com/jsx-eslint/eslint-plugin-react/pull/3829
 
 ## [7.37.1] - 2024.10.01
 

lib/rules/no-unknown-property.js

@@ -363,16 +363,20 @@ const REACT_ON_PROPS = [
 ];
 
 function getDOMPropertyNames(context) {
-  const ALL_DOM_PROPERTY_NAMES = DOM_PROPERTY_NAMES_TWO_WORDS.concat(DOM_PROPERTY_NAMES_ONE_WORD);
+  let domPropertyNames = DOM_PROPERTY_NAMES_TWO_WORDS.concat(DOM_PROPERTY_NAMES_ONE_WORD);
   // this was removed in React v16.1+, see https://github.com/facebook/react/pull/10823
   if (!testReactVersion(context, '>= 16.1.0')) {
-    return ALL_DOM_PROPERTY_NAMES.concat('allowTransparency');
+    return domPropertyNames.concat('allowTransparency');
   }
   // these were added in React v16.4.0, see https://reactjs.org/blog/2018/05/23/react-v-16-4.html and https://github.com/facebook/react/pull/12507
   if (testReactVersion(context, '>= 16.4.0')) {
-    return ALL_DOM_PROPERTY_NAMES.concat(REACT_ON_PROPS);
+    domPropertyNames = domPropertyNames.concat(REACT_ON_PROPS);
+    // precedence was added in React v19, see https://react.dev/blog/2024/04/25/react-19#support-for-stylesheets
+    if (testReactVersion(context, '>= 19.0.0-0')) {
+      domPropertyNames = domPropertyNames.concat('precedence');
+    }
   }
-  return ALL_DOM_PROPERTY_NAMES;
+  return domPropertyNames;
 }
 
 // ------------------------------------------------------------------------------

tests/lib/rules/no-unknown-property.js

@@ -89,6 +89,12 @@ ruleTester.run('no-unknown-property', rule, {
     { code: '<div onPointerDown={this.onDown} onPointerUp={this.onUp} />' },
     { code: '<input type="checkbox" defaultChecked={this.state.checkbox} />' },
     { code: '<div onTouchStart={this.startAnimation} onTouchEnd={this.stopAnimation} onTouchCancel={this.cancel} onTouchMove={this.move} onMouseMoveCapture={this.capture} onTouchCancelCapture={this.log} />' },
+    {
+      code: '<link precedence="medium" href="https://foo.bar" rel="canonical" />',
+      settings: {
+        react: { version: '19.0.0-rc.0' },
+      },
+    },
     // Case ignored attributes, for `charset` discussion see https://github.com/jsx-eslint/eslint-plugin-react/pull/1863
     { code: '<meta charset="utf-8" />;' },
     { code: '<meta charSet="utf-8" />;' },