ci: add dangerjs wd-149

.github/workflows/ci-pr.yml

@@ -38,8 +38,14 @@ jobs:
 
       - name: Install Dependencies
         run: |
-          npm install
+          npm ci
 
       - name: Lint Commits
         run: |
           npx commitlint --from ${{ github.event.pull_request.base.sha }} --to ${{ github.event.pull_request.head.sha }} --verbose
+
+      - name: Lint Pull Request
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          npx danger ci --failOnErrors --text-only

dangerfile.js

@@ -0,0 +1,38 @@
+import { danger, fail } from 'danger'
+
+import { ProjectPrefix } from './project.config.js'
+
+let appsPattern = ProjectPrefix.APPS.join(`|`)
+let environmentsPattern = ProjectPrefix.ENVIRONMENTS.join(`|`)
+
+let Config = /** @type {const} */ ({
+  BRANCH_PATTERN: new RegExp(
+    `^((${appsPattern})-[0-9]{1,6})-[a-zA-Z0-9-]+$|(${environmentsPattern})$`,
+  ),
+  IS_ASSIGNEE_REQUIRED: true,
+  TITLE_PATTERN: new RegExp(
+    `^((${appsPattern})-[0-9]{1,6}): (.*\\S)$|(${environmentsPattern}) to (${environmentsPattern})$`,
+  ),
+})
+
+let isTitleValid = Config.TITLE_PATTERN.test(danger.github.pr.title)
+
+if (!isTitleValid) {
+  fail(
+    `Pull Request title should match the following pattern – ${Config.TITLE_PATTERN}.`,
+  )
+}
+
+let isBranchValid = Config.BRANCH_PATTERN.test(danger.github.pr.head.ref)
+
+if (!isBranchValid) {
+  fail(
+    `Pull Request branch should match the following pattern – ${Config.BRANCH_PATTERN}.`,
+  )
+}
+
+let hasAssignee = Boolean(danger.github.pr.assignee)
+
+if (Config.IS_ASSIGNEE_REQUIRED && !hasAssignee) {
+  fail(`Pull Request should have at least one assignee.`)
+}