Update eslint.config.mjs

Author: IRON-M4N

eslint.config.mjs

@@ -1,10 +1,37 @@
 import globals from "globals";
 import pluginJs from "@eslint/js";
 
-
 /** @type {import('eslint').Linter.Config[]} */
 export default [
-  {files: ["**/*.js"], languageOptions: {sourceType: "commonjs"}},
-  {languageOptions: { globals: globals.browser }},
+  {
+    languageOptions: {
+      globals: globals.node,
+    },
+  },
   pluginJs.configs.recommended,
+  {
+    rules: {
+      "no-global-assign": "off",
+      "no-unused-vars": "off",
+      "no-undef": "warn",
+      "no-undef-init": "warn",
+      "no-undefined": "warn",
+      "no-self-assign": "off",
+      "no-extra-semi": "off",
+      "no-mixed-spaces-and-tabs": "off",
+      "no-irregular-whitespace": "off",
+      "no-case-declarations": "off",
+      "no-useless-catch": "off",
+      "no-console": "off",
+      "no-process-exit": "warn",
+      "no-shadow": "warn",
+      "eqeqeq": ["warn", "always"],
+      "curly": ["warn", "multi-line"],
+      "prefer-const": "warn",
+      "strict": ["warn", "global"],
+      "handle-callback-err": "warn",
+      "no-buffer-constructor": "warn",
+      "callback-return": "warn",
+    },
+  },
 ];