fix: adding linter config

js/eslint.config.mjs

@@ -0,0 +1,68 @@
+import { fixupConfigRules } from '@eslint/compat';
+import globals from 'globals';
+import babelParser from '@babel/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 [{
+  ignores: ['lib', 'dist'],
+}, ...fixupConfigRules(
+  compat.extends('eslint:recommended', 'plugin:import/errors', 'plugin:import/warnings'),
+), {
+  languageOptions: {
+    globals: {
+      ...globals.browser,
+      ...globals.node,
+    },
+    parser: babelParser,
+    parserOptions: {
+      requireConfigFile: false,
+    },
+    ecmaVersion: 8,
+    sourceType: 'module',
+  },
+
+  settings: {
+    react: {
+      version: 'detect',
+    },
+  },
+
+  rules: {
+    'no-trailing-spaces': ['error'],
+    'import/first': ['error'],
+    'import/no-commonjs': ['error'],
+    'import/namespace': ['warn'],
+
+    'import/order': ['error', {
+      groups: [['internal', 'external', 'builtin'], ['index', 'sibling', 'parent']],
+      'newlines-between': 'always',
+    }],
+
+    indent: ['error', 2, {
+      MemberExpression: 1,
+      SwitchCase: 1,
+    }],
+
+    'linebreak-style': ['error', 'unix'],
+    'no-console': [0],
+
+    quotes: ['error', 'single', {
+      avoidEscape: true,
+      allowTemplateLiterals: true,
+    }],
+
+    'require-await': ['error'],
+    semi: ['error', 'always'],
+  },
+}];