Load static resources in nb renderer for widgets (#13531)

Author: DonJayamanne

build/webpack/webpack.datascience-ui.config.builder.js

@@ -27,8 +27,7 @@ function getEntry(bundle) {
             };
         case 'ipywidgetsKernel':
             return {
-                ipywidgetsKernel: [`./src/webviews/webview-side/ipywidgets/kernel/index.ts`],
-                dummy: [`./src/webviews/webview-side/ipywidgets/dummy.ts`]
+                ipywidgetsKernel: [`./src/webviews/webview-side/ipywidgets/kernel/index.ts`]
             };
         case 'ipywidgetsRenderer':
             // This is only used in tests (not shipped with extension).

package.json

@@ -1880,10 +1880,16 @@
         "notebookPreload": [
             {
                 "type": "jupyter-notebook",
+                "localResourceRoots": [
+                    "./temp"
+                ],
                 "entrypoint": "./out/webviews/webview-side/ipywidgetsKernel/ipywidgetsKernel.js"
             },
             {
                 "type": "interactive",
+                "localResourceRoots": [
+                    "./temp"
+                ],
                 "entrypoint": "./out/webviews/webview-side/ipywidgetsKernel/ipywidgetsKernel.js"
             }
         ],

src/notebooks/controllers/vscodeNotebookController.ts

@@ -514,30 +514,26 @@ export class VSCodeNotebookController implements Disposable, IVSCodeNotebookCont
         );
     }
     private getRendererScripts(): NotebookRendererScript[] {
-        const scripts: Uri[] = [];
-
         // Only used in tests & while debugging.
         if (
             this.context.extensionMode === ExtensionMode.Development ||
             this.context.extensionMode === ExtensionMode.Test
         ) {
-            scripts.push(
-                Uri.joinPath(
-                    this.context.extensionUri,
-                    'out',
-                    'webviews',
-                    'webview-side',
-                    'widgetTester',
-                    'widgetTester.js'
+            return [
+                new NotebookRendererScript(
+                    Uri.joinPath(
+                        this.context.extensionUri,
+                        'out',
+                        'webviews',
+                        'webview-side',
+                        'widgetTester',
+                        'widgetTester.js'
+                    )
                 )
-            );
+            ];
+        } else {
+            return [];
         }
-
-        // See comments on dummy.ts for more details.
-        scripts.push(
-            Uri.joinPath(this.context.extensionUri, 'out', 'webviews', 'webview-side', 'ipywidgetsKernel', 'dummy.js')
-        );
-        return scripts.map((uri) => new NotebookRendererScript(uri));
     }
 
     private handleInterrupt(notebook: NotebookDocument) {