Define some extensions

Author: Shinigami92

.eslintrc.js

@@ -29,7 +29,14 @@ module.exports = defineConfig({
 
     '@typescript-eslint/ban-ts-comment': 'off',
     '@typescript-eslint/explicit-function-return-type': ['error', { allowExpressions: true }],
-    '@typescript-eslint/indent': ['error', 2, { SwitchCase: 1, ignoredNodes: ['MemberExpression'] }],
+    '@typescript-eslint/indent': [
+      'error',
+      2,
+      {
+        SwitchCase: 1,
+        ignoredNodes: ['MemberExpression', 'TSTypeParameterInstantiation']
+      }
+    ],
     '@typescript-eslint/interface-name-prefix': 'off',
     '@typescript-eslint/member-ordering': 'warn',
     '@typescript-eslint/no-explicit-any': 'off',
@@ -92,6 +99,7 @@ module.exports = defineConfig({
           'embertest',
           'globals',
           'greasemonkey',
+          'jsdoc',
           'nashorn',
           'phantomjs',
           'prototypejs',

src/extends/eslint-plugin-import.d.ts

@@ -0,0 +1,9 @@
+/**
+ * Eslint import extensions.
+ *
+ * @see [Eslint import extensions](https://github.com/benmosher/eslint-plugin-import#installation)
+ */
+export type EslintPluginImportExtensions =
+  | 'plugin:import/errors'
+  | 'plugin:import/warnings'
+  | 'plugin:import/typescript';

src/extends/eslint-plugin-jsdoc.d.ts

@@ -0,0 +1,6 @@
+/**
+ * Eslint JSDoc extensions.
+ *
+ * @see [Eslint JSDoc extensions](https://github.com/gajus/eslint-plugin-jsdoc#configuration)
+ */
+export type EslintPluginJsdocExtensions = 'plugin:jsdoc/recommended';

src/extends/eslint-plugin-prettier.d.ts

@@ -0,0 +1,6 @@
+/**
+ * Eslint Prettier extensions.
+ *
+ * @see [Eslint Prettier extensions](https://github.com/prettier/eslint-plugin-prettier#recommended-configuration)
+ */
+export type EslintPluginPrettierExtensions = 'plugin:prettier/recommended' | 'prettier';

src/extends/index.d.ts

@@ -1,11 +1,20 @@
 import type { LiteralUnion } from '../utility-types';
 import type { EslintExtensions } from './eslint';
+import type { EslintPluginImportExtensions } from './eslint-plugin-import';
+import type { EslintPluginJsdocExtensions } from './eslint-plugin-jsdoc';
+import type { EslintPluginPrettierExtensions } from './eslint-plugin-prettier';
 import type { TypescriptEslintExtensions } from './typescript-eslint';
 
 /**
  * All known extensions.
  */
-export type KnownExtensions = LiteralUnion<EslintExtensions | TypescriptEslintExtensions>;
+export type KnownExtensions = LiteralUnion<
+  | EslintExtensions
+  | TypescriptEslintExtensions
+  | EslintPluginPrettierExtensions
+  | EslintPluginImportExtensions
+  | EslintPluginJsdocExtensions
+>;
 
 /**
  * Extending Configuration Files.