Merge pull request #1 from Yoast/remove-or-neutralize-react-19-prop-types

Remove or neutralize react 19 prop types

Author: diedexx

default.mjs

@@ -241,9 +241,14 @@ export const reactConfig = [
 			"react/no-unused-prop-types": "error",
 			"react/no-unused-state": "error",
 			"react/prefer-es6-class": "error",
-			"react/require-default-props": [ "error", { ignoreFunctionalComponents: true } ],
+			// This will turn into an `error` in the future. It's a warning to give us time to adapt.
+			"react/require-default-props": [ "warn", { classes: "defaultProps", functions: "defaultArguments" } ],
 			"react/self-closing-comp": "error",
 			"react/void-dom-elements-no-children": "error",
+
+			// Removed in React 19 (https://react.dev/blog/2024/04/25/react-19-upgrade-guide#removed-proptypes-and-defaultprops).
+			// But still in the recommended rules (https://github.com/jsx-eslint/eslint-plugin-react/blob/v7.37.5/docs/rules/prop-types.md).
+			"react/prop-types": "off",
 		},
 	},
 ];