build(root): lint commit messages

.commitlintrc.js

@@ -0,0 +1,24 @@
+import {RuleConfigSeverity} from "@commitlint/types";
+
+/**
+ * @type {import('@commitlint/types').UserConfig}
+ */
+const Configuration = {
+    extends: ['@commitlint/config-conventional'],
+    rules: {
+        "scope-empty": [RuleConfigSeverity.Error, "never"],
+        "scope-enum": [
+            RuleConfigSeverity.Error,
+            "always",
+            [
+                "components",
+                "examples",
+                "github-actions",
+                "root", // used by dependabot to update the root package.json
+            ]
+        ],
+        "body-max-line-length": [RuleConfigSeverity.Error, "always", 200],
+    }
+};
+
+export default Configuration;

.github/dependabot.yml

@@ -4,6 +4,19 @@ updates:
     directory: /
     schedule:
       interval: weekly
+    commit-message:
+      prefix: "chore(github-actions)"
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+    groups:
+      minorAndPatch:
+        update-types:
+          - "minor"
+          - "patch"
+    commit-message:
+      prefix: "chore(root)"
   - package-ecosystem: npm
     directory: components/
     schedule:
@@ -12,4 +25,6 @@ updates:
       minorAndPatch:
         update-types:
           - "minor"
-          - "patch"
+          - "patch"
+    commit-message:
+      prefix: "chore(components)"

.github/workflows/commitlint.yml

@@ -0,0 +1,28 @@
+name: Commitlint
+
+on:
+  pull_request:
+
+jobs:
+  commitlint:
+    name: Lint commit messages
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+
+      - uses: actions/cache@v4
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('package-lock.json') }}
+
+      - name: Install npm packages
+        run: npm ci
+
+      - name: Validate PR commits with commitlint
+        run: npx commitlint --from ${{ github.event.pull_request.base.sha }} --verbose