Revise stackgl bundle and add test against undesirable direct changes to stackgl_modules/index.js

.circleci/config.yml

@@ -493,6 +493,25 @@ jobs:
           name: Display function constructors in all bundles
           command: npm run no-new-func
 
+  test-stackgl-bundle:
+    docker:
+      - image: cimg/node:16.17.1
+    working_directory: ~/plotly.js
+    steps:
+      - checkout
+      - run:
+          name: Set up build environment
+          command: cd stackgl_modules && npm ci
+      - run:
+          name: Bundle bundle-stackgl/index.js
+          command: cd stackgl_modules && cp index.js INDEX.js && npm run bundle-stackgl
+      - run:
+          name: Test stackgl_modules/index.js diff - If failed please remember this file in auto generated and you should not modify it directly until a dependeny change. To suggest changes please submit pull request to the relevant dependency.
+          command: diff --unified --color stackgl_modules/INDEX.js stackgl_modules/index.js
+      - store_artifacts:
+          path: stackgl_modules/index.js
+          destination: stackgl_modules/index.js
+
 workflows:
   version: 2
   build-and-test:
@@ -565,3 +584,5 @@ workflows:
             - install-and-cibuild
 
       - publish-dist
+
+      - test-stackgl-bundle