chore: migrate eslint to flat config

Author: xDivisionByZerox

.eslintrc.json

@@ -0,0 +1,22 @@
+import { defineConfig } from 'eslint/config';
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+
+export default defineConfig(
+  {
+    name: 'linter options',
+    linterOptions: {
+      reportUnusedDisableDirectives: 'error',
+    },
+  },
+  {
+    name: 'TypeScript Source Files',
+    extends: [eslint.configs.recommended, tseslint.configs.strictTypeChecked],
+    files: ['src/**/*.ts'],
+    languageOptions: {
+      parserOptions: {
+        projectService: true,
+      },
+    },
+  },
+);

eslint.config.js

@@ -2,6 +2,7 @@
   "name": "@faker-js/cli",
   "version": "0.0.0",
   "description": "A CLI of @faker-js/faker.",
+  "type": "module",
   "bin": {
     "@faker-js/cli": "bin/faker.js",
     "faker": "bin/faker.js"
@@ -47,11 +48,10 @@
   "bugs": "https://github.com/faker-js/cli/issues",
   "license": "MIT",
   "devDependencies": {
-    "@typescript-eslint/eslint-plugin": "8.50.1",
-    "@typescript-eslint/parser": "8.50.1",
     "eslint": "9.39.2",
     "prettier": "3.7.4",
-    "typescript": "5.9.3"
+    "typescript": "5.9.3",
+    "typescript-eslint": "8.50.1"
   },
   "dependencies": {
     "@faker-js/faker": "^8.4.1",

package-lock.json

@@ -36,6 +36,8 @@ export function cli(args: string[]) {
         throw new ReferenceError('function', functionName);
       }
 
+      // TODO: Need to figure out how to strictly type this function call
+      // eslint-disable-next-line @typescript-eslint/no-unsafe-call
       console.log(entry());
     });