try simplified check-js-build step

Author: emilykl

.github/workflows/check-js-build.yml

@@ -24,7 +24,7 @@ jobs:
           echo "✅ Version number $JSPROJECT_VERSION in $PKGJSON_PATH matches version number $PYPROJECT_VERSION in $PYPROJECT_PATH"
         fi
     - name: Install Node
-      uses: actions/setup-node@v2
+      uses: actions/setup-node@v4
       with:
         node-version: '22'
 
@@ -44,31 +44,18 @@ jobs:
         npm ls
     - name: Check JupyterLab build artifacts
       run: |
-        # 1. Hash contents of all static files, sort by content hash
-        find plotly/labextension/static -type f -exec sha256sum {} \; | awk '{print $1}' | sort > new_hashes.txt
-        find plotly/labextension-tmp/static -type f -exec sha256sum {} \; | awk '{print $1}' | sort > old_hashes.txt
+        # Compare the plotly/labextension and plotly/labextension-tmp directories
+        diff -r --brief plotly/labextension/ plotly/labextension-tmp/ > labextension_diff.txt
 
-        # 2. Compare the sorted content hashes
-        diff old_hashes.txt new_hashes.txt > content_diff.txt
-
-        # Remove the "load" line from both package.json files before comparing
-        grep -v '"load": "static/' plotly/labextension/package.json > pkg1.json
-        grep -v '"load": "static/' plotly/labextension-tmp/package.json > pkg2.json
-
-        # Compare stripped versions
-        diff pkg1.json pkg2.json > package_json_diff.txt
-
-        # 5. Final check
-        if [ -s content_diff.txt ] || [ -s package_json_diff.txt ]; then
+        # Check for differences
+        if [ -s labextension_diff.txt ]; then
         echo "❌ Build artifacts differ:"
         echo "--- Unexpected diffs ---"
-        cat content_diff.txt
-        echo "--- Unexpected package.json diffs ---"
-        cat package_json_diff.txt
+        cat labextension_diff.txt
         echo "Please replace the 'plotly/labextension' directory with the artifacts of this CI run."
         exit 1
         else
-        echo "✅ Build artifacts match expected output (ignoring known 'load' hash in package.json)."
+        echo "✅ Build artifacts match expected output"
         fi
 
     - name: Store the build artifacts from plotly/labextension