fix(chore): Support linting for cjs (#18639)

Co-authored-by: Gal Zahavi <38544478+galz10@users.noreply.github.com>

.github/scripts/sync-maintainer-labels.cjs

@@ -1,5 +1,9 @@
-/* eslint-disable @typescript-eslint/no-require-imports */
-/* global process, console, require */
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 const { Octokit } = require('@octokit/rest');
 
 /**

eslint.config.js

@@ -37,7 +37,6 @@ export default tseslint.config(
       'dist/**',
       'evals/**',
       'packages/test-utils/**',
-      'packages/core/src/skills/builtin/skill-creator/scripts/*.cjs',
     ],
   },
   eslint.configs.recommended,
@@ -243,7 +242,7 @@ export default tseslint.config(
     },
   },
   {
-    files: ['./**/*.{tsx,ts,js}'],
+    files: ['./**/*.{tsx,ts,js,cjs}'],
     plugins: {
       headers,
       import: importPlugin,
@@ -269,7 +268,6 @@ export default tseslint.config(
       'import/enforce-node-protocol-usage': ['error', 'always'],
     },
   },
-  // extra settings for scripts that we run directly with node
   {
     files: ['./scripts/**/*.js', 'esbuild.config.js'],
     languageOptions: {
@@ -290,6 +288,30 @@ export default tseslint.config(
       ],
     },
   },
+  {
+    files: ['**/*.cjs'],
+    languageOptions: {
+      sourceType: 'commonjs',
+      globals: {
+        ...globals.node,
+      },
+    },
+    rules: {
+      'no-restricted-syntax': 'off',
+      'no-console': 'off',
+      'no-empty': 'off',
+      'no-redeclare': 'off',
+      '@typescript-eslint/no-require-imports': 'off',
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          argsIgnorePattern: '^_',
+          varsIgnorePattern: '^_',
+          caughtErrorsIgnorePattern: '^_',
+        },
+      ],
+    },
+  },
   {
     files: ['packages/vscode-ide-companion/esbuild.js'],
     languageOptions: {

packages/core/src/skills/builtin/skill-creator/scripts/init_skill.cjs

@@ -1,6 +1,10 @@
 #!/usr/bin/env node
 
-/* eslint-env node */
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 /**
  * Skill Initializer - Creates a new skill from template

packages/core/src/skills/builtin/skill-creator/scripts/package_skill.cjs

@@ -1,6 +1,10 @@
 #!/usr/bin/env node
 
-/* eslint-env node */
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 /**
  * Skill Packager - Creates a distributable .skill file of a skill folder

packages/core/src/skills/builtin/skill-creator/scripts/validate_skill.cjs

@@ -1,4 +1,8 @@
-/* eslint-env node */
+/**
+ * @license
+ * Copyright 2026 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 /**
  * Quick validation logic for skills.