chore: add commitlint config for scopes

PiperOrigin-RevId: 591061701

.github/workflows/commitlint.yml

@@ -7,11 +7,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
           node-version: 18
+          cache: npm
 
-      - run: npm install -g commitlint @commitlint/config-conventional
-      - run: 'echo "${PR_TITLE}" | commitlint -x @commitlint/config-conventional'
+      - run: npm install -g @commitlint/cli @commitlint/config-conventional
+      - run: 'echo "${PR_TITLE}" | commitlint'
         env:
           PR_TITLE: ${{ github.event.pull_request.title }}

.gitignore

@@ -2,6 +2,7 @@ node_modules
 *.js
 !web-test-runner.config.js
 !css-to-ts.js
+!commitlint.config.js
 *.css
 *.css.ts
 *.map
@@ -25,4 +26,4 @@ catalog/site/about/images
 catalog/*.tsbuildinfo
 catalog/stories/*/
 !catalog/stories/components/
-!catalog/src/types/**/*.d.ts
+!catalog/src/types/**/*.d.ts

commitlint.config.js

@@ -0,0 +1,45 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export default {
+  extends: ['@commitlint/config-conventional'],
+  rules: {
+    'scope-enum': [
+      2,
+      'always',
+      [
+        // Use "/" for multiple scopes: `fix(button/checkbox): subject"`
+        // Omit scope for broad "all" changes.
+        'button',
+        'catalog',
+        'checkbox',
+        'chips',
+        'color',
+        'dialog',
+        'divider',
+        'elevation',
+        'fab',
+        'field',
+        'focus',
+        'icon',
+        'iconbutton',
+        'labs',
+        'list',
+        'menu',
+        'progress',
+        'radio',
+        'ripple',
+        'select',
+        'slider',
+        'switch',
+        'tabs',
+        'textfield',
+        'tokens',
+        'typography',
+      ],
+    ],
+  },
+};