[eprh] Adhere to ESLint.Plugin type

compiler/packages/eslint-plugin-react-compiler/README.md

@@ -28,7 +28,7 @@ import react from "eslint-plugin-react"
 
 export default [
     // Your existing config
-    { ...pluginReact.configs.flat.recommended, settings: { react: { version: "detect" } } },
+    { ...pluginReact.configs.recommended, settings: { react: { version: "detect" } } },
 +   reactCompiler.configs.recommended    
 ]
 ```

fixtures/eslint-v6/.eslintrc.json

@@ -1,6 +1,6 @@
 {
   "root": true,
-  "extends": ["plugin:react-hooks/recommended"],
+  "extends": ["plugin:react-hooks/recommended-legacy"],
   "parserOptions": {
     "ecmaVersion": 2020,
     "sourceType": "module",

fixtures/eslint-v7/.eslintrc.json

@@ -1,6 +1,6 @@
 {
   "root": true,
-  "extends": ["plugin:react-hooks/recommended"],
+  "extends": ["plugin:react-hooks/recommended-legacy"],
   "parserOptions": {
     "ecmaVersion": 2020,
     "sourceType": "module",

fixtures/eslint-v8/.eslintrc.json

@@ -1,6 +1,6 @@
 {
   "root": true,
-  "extends": ["plugin:react-hooks/recommended"],
+  "extends": ["plugin:react-hooks/recommended-legacy"],
   "parserOptions": {
     "ecmaVersion": 2020,
     "sourceType": "module",

fixtures/eslint-v9/eslint.config.ts

@@ -2,7 +2,7 @@ import {defineConfig} from 'eslint/config';
 import reactHooks from 'eslint-plugin-react-hooks';
 
 export default defineConfig([
-  reactHooks.configs.flat['recommended-latest'],
+  reactHooks.configs['recommended-latest'],
   {
     languageOptions: {
       ecmaVersion: 'latest',

packages/eslint-plugin-react-hooks/README.md

@@ -24,7 +24,7 @@ import reactHooks from 'eslint-plugin-react-hooks';
 import { defineConfig } from 'eslint/config';
 
 export default defineConfig([
-  reactHooks.configs.flat.recommended,
+  reactHooks.configs.recommended,
 ]);
 ```
 
@@ -36,17 +36,17 @@ import reactHooks from 'eslint-plugin-react-hooks';
 import { defineConfig } from 'eslint/config';
 
 export default defineConfig([
-  reactHooks.configs.flat['recommended-latest'],
+  reactHooks.configs['recommended-latest'],
 ]);
 ```
 
 ### Legacy Config (.eslintrc)
 
-If you are still using ESLint below 9.0.0, the `recommended` preset can also be used to enable all recommended rules.
+If you are still using ESLint below 9.0.0, the `recommended-legacy` preset can also be used to enable all recommended rules.
 
 ```js
 {
-  "extends": ["plugin:react-hooks/recommended"],
+  "extends": ["plugin:react-hooks/recommended-legacy"],
   // ...
 }
 

packages/eslint-plugin-react-hooks/src/index.ts

@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */
-import type {Linter, Rule} from 'eslint';
+import type {Linter, Rule, ESLint} from 'eslint';
 
 import ExhaustiveDeps from './rules/ExhaustiveDeps';
 import {
@@ -55,46 +55,33 @@ const recommendedLatestRuleConfigs: Linter.RulesRecord = {
   ...recommendedLatestCompilerRuleConfigs,
 };
 
-const plugins = ['react-hooks'];
-
-type ReactHooksFlatConfig = {
-  plugins: {react: any};
-  rules: Linter.RulesRecord;
-};
-
-const configs = {
-  recommended: {
-    plugins,
-    rules: recommendedRuleConfigs,
-  },
-  'recommended-latest': {
-    plugins,
-    rules: recommendedLatestRuleConfigs,
-  },
-  flat: {} as {
-    recommended: ReactHooksFlatConfig;
-    'recommended-latest': ReactHooksFlatConfig;
-  },
-};
-
 const plugin = {
   meta: {
     name: 'eslint-plugin-react-hooks',
     version: '7.0.0',
   },
   rules,
-  configs,
-};
-
-Object.assign(configs.flat, {
-  'recommended-latest': {
-    plugins: {'react-hooks': plugin},
-    rules: configs['recommended-latest'].rules,
-  },
-  recommended: {
-    plugins: {'react-hooks': plugin},
-    rules: configs.recommended.rules,
+  configs: {
+    'recommended-legacy': {
+      plugins: ['react-hooks'],
+      rules: recommendedRuleConfigs,
+    },
+    'recommended-latest-legacy': {
+      plugins: ['react-hooks'],
+      rules: recommendedLatestRuleConfigs,
+    },
+    recommended: {
+      plugins: {'react-hooks': {}},
+      rules: recommendedRuleConfigs,
+    },
+    'recommended-latest': {
+      plugins: {'react-hooks': {}},
+      rules: recommendedLatestRuleConfigs,
+    },
   },
-});
+} satisfies ESLint.Plugin;
+
+plugin.configs.recommended.plugins['react-hooks'] = plugin;
+plugin.configs['recommended-latest'].plugins['react-hooks'] = plugin;
 
 export default plugin;