Add types for prettier (#15)

Author: Shinigami92

pnpm-lock.yaml

@@ -0,0 +1,20 @@
+import type { PrettierRuleOptions } from './rules/prettier';
+
+declare module 'eslint-define-config' {
+  export interface CustomExtends {
+    'plugin:prettier/recommended': void;
+  }
+
+  export interface CustomPlugins {
+    prettier: void;
+  }
+
+  export interface CustomRuleOptions {
+    /**
+     * undefined
+     *
+     * @see [prettier](https://github.com/prettier/eslint-plugin-prettier#options)
+     */
+    'prettier/prettier': PrettierRuleOptions;
+  }
+}

types/prettier/index.d.ts

@@ -0,0 +1,32 @@
+{
+  "name": "@eslint-types/prettier",
+  "version": "5.0.1",
+  "description": "TypeScript definitions for eslint-define-config",
+  "homepage": "https://github.com/eslint-types/define-config-plugin-types/tree/main/types/prettier",
+  "license": "MIT",
+  "contributors": [
+    {
+      "name": "Christopher Quadflieg",
+      "url": "https://github.com/Shinigami92",
+      "githubUsername": "Shinigami92"
+    }
+  ],
+  "main": "",
+  "types": "index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/eslint-types/define-config-plugin-types.git",
+    "directory": "types/prettier"
+  },
+  "scripts": {},
+  "dependencies": {},
+  "devDependencies": {
+    "eslint-plugin-prettier": "5.0.1"
+  },
+  "exports": {
+    ".": {
+      "types": "./index.d.ts"
+    },
+    "./package.json": "./package.json"
+  }
+}

types/prettier/package.json

@@ -0,0 +1,13 @@
+export interface Schema0 {
+  [k: string]: unknown;
+}
+
+export interface Schema1 {
+  usePrettierrc?: boolean;
+  fileInfoOptions?: {
+    [k: string]: unknown;
+  };
+  [k: string]: unknown;
+}
+
+export type PrettierRuleOptions = [Schema0?, Schema1?];