Detect uncommitted changes to the dist/ folder (#302)

* Update workflow.yml

* Update workflow.yml

* Run build

* Update workflow.yml

* Update workflow.yml

* Update workflow.yml

.github/workflows/workflow.yml

@@ -45,6 +45,17 @@ jobs:
       run: npm run lint
     - name: Build & Test
       run: npm run test
+    - name: Ensure dist/ folder is up-to-date
+      if: ${{ runner.os == 'Linux' }}
+      shell: bash
+      run: |
+        npm run build
+        if [ "$(git status --porcelain | wc -l)" -gt "0" ]; then
+          echo "Detected uncommitted changes after build.  See status below:"
+          git diff
+          exit 1
+        fi
+        
 
   # End to end save and restore
   test-save: