Upgrade config of eslint following up commit d40fdee

Author: junekimdev

.eslintignore

@@ -0,0 +1,87 @@
+import eslint from '@eslint/js';
+import globals from 'globals';
+import tseslint from 'typescript-eslint';
+
+export default [
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    files: [
+      'src/**/*.js',
+      'test/**/*.js',
+      'src/**/*.mjs',
+      'test/**/*.mjs',
+      'src/**/*.ts',
+      'test/**/*.ts',
+    ],
+  },
+  {
+    languageOptions: {
+      globals: { ...globals.node },
+    },
+  },
+  {
+    ignores: [
+      // dependencies
+      'node_modules/',
+
+      // runtime data
+      'pids',
+      '*.pid',
+      '*.seed',
+
+      // dev-tools
+      '*.js',
+
+      // testing
+      'coverage/',
+
+      // keys
+      '*.pem',
+
+      // production
+      'build/',
+      'release/',
+      'dist/',
+      'dll/',
+      '.eslintcache',
+
+      // debug
+      '.idea',
+      'npm-debug.log*',
+      'yarn-debug.log*',
+      'yarn-error.log*',
+
+      // logs
+      'logs/',
+      '*.log',
+
+      // misc
+      '.DS_Store',
+      '.env*',
+      '*.env',
+      '.vscode/',
+      'placeholder_*',
+    ],
+  },
+  {
+    rules: {
+      eqeqeq: 'warn',
+      semi: 'warn',
+      'no-mixed-spaces-and-tabs': 'warn',
+      'no-extra-semi': 'error',
+      'no-unreachable': 'warn',
+      'no-unused-vars': 'off',
+      '@typescript-eslint/no-require-imports': 'off',
+      '@typescript-eslint/no-explicit-any': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          argsIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+          caughtErrorsIgnorePattern: '^_',
+        },
+      ],
+    },
+  },
+];