Update deps (#691)

.prettierrc.js

@@ -1,19 +1,3 @@
-/*
- * Copyright 2020 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 module.exports = {
   arrowParens: 'always',
   bracketSpacing: true,

eslint.config.mjs

@@ -0,0 +1,18 @@
+import js from '@eslint/js';
+import ts from 'typescript-eslint';
+import tsParser from '@typescript-eslint/parser';
+
+import prettierRecommended from 'eslint-plugin-prettier/recommended';
+
+export default ts.config(
+  js.configs.recommended,
+  ts.configs.eslintRecommended,
+  {
+    files: ['**/*.ts', '**/*.tsx'],
+    languageOptions: {
+      parser: tsParser,
+    },
+  },
+  { ignores: ['dist/', '**/*.js'] },
+  prettierRecommended,
+);