upgrade eslint

Author: pan-kot

.eslintrc

@@ -0,0 +1,62 @@
+// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+// SPDX-License-Identifier: Apache-2.0
+import { includeIgnoreFile } from '@eslint/compat';
+import eslint from '@eslint/js';
+import headerPlugin from 'eslint-plugin-header';
+import eslintPrettier from 'eslint-plugin-prettier/recommended';
+import unicornPlugin from 'eslint-plugin-unicorn';
+import globals from 'globals';
+import path from 'node:path';
+import tsEslint from 'typescript-eslint';
+
+// https://github.com/Stuk/eslint-plugin-header/issues/57
+headerPlugin.rules.header.meta.schema = false;
+
+export default tsEslint.config(
+  includeIgnoreFile(path.resolve('.gitignore')),
+  eslint.configs.recommended,
+  tsEslint.configs.recommended,
+  eslintPrettier,
+  {
+    files: ['**/*.{js,mjs,ts,tsx}'],
+    languageOptions: {
+      globals: {
+        ...globals.browser,
+      },
+    },
+    plugins: { unicorn: unicornPlugin, header: headerPlugin },
+    rules: {
+      '@typescript-eslint/no-var-requires': 'off',
+      'header/header': [
+        'error',
+        'line',
+        [' Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.', ' SPDX-License-Identifier: Apache-2.0'],
+      ],
+    },
+  },
+  {
+    files: ['.github/**', 'scripts/**', '*.mjs', 'test/*.mjs'],
+    languageOptions: {
+      globals: {
+        ...globals.node,
+        ...globals.commonjs,
+      },
+    },
+    rules: {
+      '@typescript-eslint/no-var-requires': 'off',
+    },
+  },
+  {
+    files: ['src/**'],
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'warn',
+      '@typescript-eslint/no-unused-vars': 'warn',
+    },
+  },
+  {
+    files: ['src/**/__tests__/**/*.*js'],
+    rules: {
+      'no-undef': 'warn',
+    },
+  },
+);