fix: simplify configs

The previous attempt added unneeded additional complexity,
to the point where it broke using the configurations.

configs/browser.js

@@ -1,19 +1,16 @@
-import { merge } from 'min-dash';
-
 import globals from 'globals';
 
 import recommended from './recommended.js';
 
 export default [
-  ...recommended.map((config) => {
-    return merge({}, config, {
-      languageOptions: {
-        globals: {
-          ...globals.browser
-        }
+  ...recommended,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.browser
       }
-    });
-  }),
+    }
+  },
   {
     rules: {
       'no-restricted-imports': ['error', {

configs/jsx.js

@@ -1,13 +1,8 @@
 import reactPlugin from 'eslint-plugin-react';
 
 export default [
+  reactPlugin.configs.flat.recommended,
   {
-    languageOptions: {
-      ...reactPlugin.configs.flat.recommended.languageOptions
-    },
-    plugins: {
-      react: reactPlugin
-    },
     rules: {
       'jsx-quotes': ['error', 'prefer-double'],
       'react/jsx-curly-spacing': ['error', { when: 'always' }],

configs/mocha.js

@@ -1,10 +1,8 @@
 import mochaPlugin from 'eslint-plugin-mocha';
 
 export default [
+  mochaPlugin.configs.flat.recommended,
   {
-    plugins: {
-      mocha: mochaPlugin
-    },
     rules: {
       'mocha/no-exclusive-tests': 'error'
     }

configs/node.js

@@ -1,17 +1,14 @@
-import { merge } from 'min-dash';
-
 import globals from 'globals';
 
 import recommended from './recommended.js';
 
 export default [
-  ...recommended.map((config) => {
-    return merge({}, config, {
-      languageOptions: {
-        globals: {
-          ...globals.node
-        }
+  ...recommended,
+  {
+    languageOptions: {
+      globals: {
+        ...globals.node
       }
-    });
-  })
+    }
+  }
 ];