Updated eslint config

Author: SuperDJ

.eslintrc.json

@@ -0,0 +1,42 @@
+import { defineConfig } from "eslint/config";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import _import from "eslint-plugin-import";
+import { fixupPluginRules } from "@eslint/compat";
+import globals from "globals";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default defineConfig([{
+    extends: compat.extends("eslint:recommended", "plugin:@typescript-eslint/recommended"),
+
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+        import: fixupPluginRules(_import),
+    },
+
+    languageOptions: {
+        globals: {
+            ...globals.node,
+            ...globals.sourceType,
+        },
+
+        parser: tsParser,
+        ecmaVersion: "latest",
+        sourceType: "module",
+    },
+
+    rules: {
+        "import/no-duplicates": "error",
+    },
+}]);

eslint.config.mjs

@@ -7,11 +7,14 @@
         "lint:fix": "eslint ./workbench/resources/js --ext .ts,.tsx --fix"
     },
     "devDependencies": {
+        "@eslint/compat": "^1.3.0",
+        "@eslint/js": "^9.29.0",
         "@types/node": "^22.7.5",
         "@typescript-eslint/eslint-plugin": "^8.34.1",
         "@typescript-eslint/parser": "^8.34.1",
         "eslint": "^9.29.0",
         "eslint-plugin-import": "^2.31.0",
+        "globals": "^16.2.0",
         "happy-dom": "^18.0.1",
         "vitest": "^3.2.3"
     }