Add an NPM build verification workflow

.github/workflows/verify-build.yml

@@ -0,0 +1,89 @@
+name: Verify build (Node 20)
+
+on:
+ workflow_call:
+ inputs:
+ node-version:
+ type: number
+ description: 'Node version to use'
+ required: true
+ default: 20
+
+# The GITHUB_TOKEN used by Dependabot has read-only permissions by default. We
+# provide write permissions to this workflow so that comments can be left on
+# the pull request.
+#
+# @see https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#changing-github_token-permissions
+permissions:
+ contents: read
+ pull-requests: write
+
+jobs:
+ build:
+ name: Check built files
+
+ runs-on: ubuntu-latest
+
+ steps:
+ - name: Checkout project
+ uses: actions/checkout@v4
+ with:
+ fetch-depth: 2
+
+ - name: Setup Node
+ uses: actions/setup-node@v4
+ with:
+ node-version: ${{ inputs.node-version }}
+ cache: 'npm'
+
+ - name: Verify Node dependency cache
+ uses: actions/cache@v4
+ with:
+ path: ./node_modules
+ key: node-dependencies-${{ hashFiles('package-lock.json') }}
+ restore-keys: node-dependencies-
+
+ - name: Install Node dependencies
+ run: npm install
+
+ - name: Build
+ run: npm run build
+
+ - name: Capture Git status
+ id: git
+ shell: bash
+ run: |
+ echo 'changes<<EOF' >> $GITHUB_OUTPUT
+ echo "$(git status --porcelain --untracked-files=all)" >> $GITHUB_OUTPUT
+ echo 'EOF' >> $GITHUB_OUTPUT
+ echo "nodeVersion=$(node --version)" >> $GITHUB_OUTPUT
+ echo "npmVersion=$(npm --version)" >> $GITHUB_OUTPUT
+
+ - name: Fail if changes detected
+ shell: bash
+ run: |
+ if [[ -n "${{ steps.git.outputs.changes }}" ]]; then
+ exit 1
+ fi
+
+ - name: Comment on pull request
+ if: failure()
+ uses: actions/github-script@v7
+ with:
+ script: |
+ const output = `Changed files were detected after build. Please run project build workflows and check \`git status\` for any missed changes.
+
+ \`\`\`
+ ${{ steps.git.outputs.changes }}
+ \`\`\`
+
+ You may need to update your local NPM configuration if different than below:
+ * Node ${{ steps.git.outputs.nodeVersion }}
+ * NPM ${{ steps.git.outputs.npmVersion }}
+ `;
+
+ github.rest.issues.createComment({
+ ...context.repo,
+ issue_number: context.payload.pull_request.number,
+ body: output
+ })