Fix ESLint errors

Author: PassTheMayo

eslint.config.mjs

@@ -0,0 +1,36 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+
+export default [
+    { files: ['**/*.{js,mjs,cjs,jsx}'] },
+    pluginJs.configs.recommended,
+    {
+        rules: {
+            'quotes': ['error', 'single'],
+            'react/react-in-jsx-scope': 'off',
+            'react/prop-types': 'off',
+            'semi': 'error',
+            'require-await': 'error',
+            'prefer-const': 'error',
+            'no-var': 'error',
+            'no-unused-expressions': 'error',
+            'no-unneeded-ternary': 'error',
+            'no-undef-init': 'error',
+            'no-new-wrappers': 'error'
+        },
+        languageOptions: {
+            globals: globals.node
+        }
+    },
+    {
+        files: [
+            'test/**/*'
+        ],
+        languageOptions: {
+            globals: {
+                expect: true,
+                test: true
+            }
+        }
+    }
+];