ci(*): fixed litning issues

Author: dackers86

eslint.config.js

@@ -0,0 +1,134 @@
+/**
+ * Copyright 2025 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.
+ */
+
+import js from "@eslint/js";
+import prettier from "eslint-config-prettier";
+import tseslint from "@typescript-eslint/eslint-plugin";
+import tsparser from "@typescript-eslint/parser";
+
+export default [
+  {
+    ignores: [
+      "dist/**",
+      "node_modules/**",
+      "releases/**",
+      "*.tgz",
+      "**/dist/**",
+      "**/node_modules/**",
+      "**/build/**",
+      "**/.next/**",
+      "**/coverage/**",
+      "**/.angular/**",
+      "**/cache/**",
+      "**/.cache/**",
+    ],
+  },
+  js.configs.recommended,
+  prettier,
+  {
+    files: ["**/*.{js,jsx}"],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: "module",
+      globals: {
+        window: "readonly",
+        console: "readonly",
+        document: "readonly",
+        process: "readonly",
+        Buffer: "readonly",
+        __dirname: "readonly",
+        __filename: "readonly",
+        global: "readonly",
+        module: "readonly",
+        require: "readonly",
+        exports: "readonly",
+        setImmediate: "readonly",
+        clearImmediate: "readonly",
+        URL: "readonly",
+        clearInterval: "readonly",
+        clearTimeout: "readonly",
+        setTimeout: "readonly",
+        setInterval: "readonly",
+      },
+    },
+    rules: {
+      "no-unused-vars": "off",
+      "no-console": "warn",
+      "prefer-const": "error",
+      "no-var": "error",
+      "no-undef": "off",
+    },
+  },
+  {
+    files: ["**/*.{ts,tsx}"],
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: "module",
+      parser: tsparser,
+      parserOptions: {
+        ecmaFeatures: {
+          jsx: true,
+        },
+      },
+      globals: {
+        window: "readonly",
+        console: "readonly",
+        document: "readonly",
+        process: "readonly",
+        Buffer: "readonly",
+        __dirname: "readonly",
+        __filename: "readonly",
+        global: "readonly",
+        module: "readonly",
+        require: "readonly",
+        exports: "readonly",
+        setImmediate: "readonly",
+        clearImmediate: "readonly",
+        URL: "readonly",
+        clearInterval: "readonly",
+        clearTimeout: "readonly",
+        setTimeout: "readonly",
+        setInterval: "readonly",
+        React: "readonly",
+        describe: "readonly",
+        it: "readonly",
+        expect: "readonly",
+        beforeEach: "readonly",
+        afterEach: "readonly",
+        beforeAll: "readonly",
+        afterAll: "readonly",
+        vi: "readonly",
+        test: "readonly",
+        jest: "readonly",
+      },
+    },
+    plugins: {
+      "@typescript-eslint": tseslint,
+    },
+    rules: {
+      "no-unused-vars": "off",
+      "no-undef": "off",
+      "no-console": "warn",
+      "prefer-const": "error",
+      "no-var": "error",
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        { varsIgnorePattern: "^_", argsIgnorePattern: "^_", caughtErrorsIgnorePattern: "^_" },
+      ],
+      "@typescript-eslint/no-explicit-any": "warn",
+    },
+  },
+];

package.json

@@ -1,6 +1,7 @@
 {
   "name": "@firebaseui/root",
   "private": true,
+  "type": "module",
   "scripts": {
     "emulators": "firebase emulators:start --only auth --project demo-test",
     "build": "pnpm run build:translations && pnpm run build:core && pnpm run build:react",