feat: add eslint rules

Author: oil-oil

eslint.config.js

@@ -0,0 +1,12 @@
+import { defineConfig } from "eslint/config";
+import globals from "globals";
+import js from "@eslint/js";
+import tseslint from "typescript-eslint";
+
+
+export default defineConfig([
+  { files: ["**/*.{js,mjs,cjs,ts}"] },
+  { files: ["**/*.{js,mjs,cjs,ts}"], languageOptions: { globals: globals.node } },
+  { files: ["**/*.{js,mjs,cjs,ts}"], plugins: { js }, extends: ["js/recommended"] },
+  tseslint.configs.recommended,
+]);

package.json

@@ -7,7 +7,8 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "build": "tsc",
-    "start": "node build/index.js"
+    "start": "node build/index.js",
+    "lint": "eslint . --fix"
   },
   "files": [
     "build"
@@ -24,8 +25,12 @@
     "zod": "^3.24.2"
   },
   "devDependencies": {
+    "@eslint/js": "^9.23.0",
     "@types/js-yaml": "^4.0.9",
     "@types/node": "^22.13.10",
-    "typescript": "^5.8.2"
+    "eslint": "^9.23.0",
+    "globals": "^16.0.0",
+    "typescript": "^5.8.2",
+    "typescript-eslint": "^8.28.0"
   }
 }