Merge with anywidget

Author: marthacryan

.circleci/config.yml

@@ -436,7 +436,13 @@ jobs:
           command: |
             eval "$(conda shell.bash hook)"
             conda activate env
-            mv packages/python/plotly/bundle.js ../../../../output
+            cd packages/javascript/jupyterlab-plotly
+            npm pack
+            mv jupyterlab-plotly*.tgz ../../../output
+            cd ../../python/plotly/js
+            npm install
+            npm run build
+            mv ../bundle.js ../../../../output
 
       - run:
           name: Zip output
@@ -483,7 +489,12 @@ jobs:
             pip install -r requirements.txt
             if [ "${CIRCLE_BRANCH}" != "doc-prod" ]; then
               pip uninstall -y plotly
-              pip install -e ../packages/python/plotly
+              cd ../packages/python/plotly
+              pip install -e .
+              cd js
+              npm install
+              npm run build
+              cd ../../../../doc
             fi
             cd ..
       - run: