Add workflow to automatically build for npm changes

.github/workflows/check-dist.yml

@@ -15,6 +15,7 @@ on:
     paths-ignore:
       - '**.md'
   workflow_dispatch:
+  workflow_call:
 
 jobs:
   check-dist:

.github/workflows/dependabot-build.yml

@@ -0,0 +1,70 @@
+name: Run build for dependabot PRs
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+permissions:
+  contents: write
+  pull-requests: read
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  build:
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    runs-on: ubuntu-latest
+    outputs:
+      update: ${{ steps.commit.outputs.update }}
+    steps:
+      - name: Fetch Dependabot metadata
+        id: dependabot-metadata
+        uses: dependabot/fetch-metadata@v1
+
+      - uses: actions/checkout@v3
+        if: ${{ steps.dependabot-metadata.outputs.package-ecosystem == 'npm_and_yarn' }}
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Set up Node.js 16.x
+        if: ${{ steps.dependabot-metadata.outputs.package-ecosystem == 'npm_and_yarn' }}
+        uses:
+          actions/setup-node@v3
+        with:
+          node-version: 16.x
+
+      - name: Install dependencies
+        if: ${{ steps.dependabot-metadata.outputs.package-ecosystem == 'npm_and_yarn' }}
+        run: npm ci
+
+      - name: Run build
+        if: ${{ steps.dependabot-metadata.outputs.package-ecosystem == 'npm_and_yarn' }}
+        run: |
+          npm run build
+          npm run package
+
+      - name: Check if dist/ needs to be updated
+        id: commit
+        if: ${{ steps.dependabot-metadata.outputs.package-ecosystem == 'npm_and_yarn' }}
+        run: |
+          update=false
+          if [ "$(git diff --ignore-space-at-eol dist/ | wc -l)" -gt "0" ]; then
+            echo "Detected uncommitted changes after build."
+            git config user.name "Luca Comellini"
+            git config user.email "${{ secrets.EMAIL }}}}"
+            git remote set-url origin https://x-access-token:${{ secrets.COMMIT_PAT }}@github.com/$GITHUB_REPOSITORY
+
+            git add dist/
+            git commit -m "Update dist/ for dependabot"
+            git push -u origin HEAD:${{ github.event.pull_request.head.ref }}
+            update=true
+          fi
+          echo "update=$update" >> $GITHUB_OUTPUT
+
+  check-dist:
+    name: Call check-dist
+    needs: build
+    if: ${{ needs.build.outputs.update == 'true' }}
+    uses: ./.github/workflows/check-dist.yml