feat: support for ipywidgets 8 (#1046)

* feat: support for ipywidgets 8

* Update to `@jupyter-widgets` 8 final packages

* yarn deduplicate

* Bump `ipympl` test dependency

* Update reference snapshots

* Install `ipyvolume` from the branch

* Update ipyvolume snapshot

* Update ipyvolume snapshot

Co-authored-by: Jeremy Tuloup <jeremy.tuloup@gmail.com>

packages/voila/package.json

@@ -8,9 +8,9 @@
   "main": "lib/index.js",
   "browserslist": ">0.8%, not ie 11, not op_mini all, not dead",
   "dependencies": {
-    "@jupyter-widgets/base": "^4.1.0",
-    "@jupyter-widgets/controls": "^3.1.0",
-    "@jupyter-widgets/jupyterlab-manager": "^3.1.0",
+    "@jupyter-widgets/base": "^6.0.1",
+    "@jupyter-widgets/controls": "^5.0.1",
+    "@jupyter-widgets/jupyterlab-manager": "^5.0.3",
     "@jupyterlab/application": "^3.0.0",
     "@jupyterlab/apputils": "^3.0.0",
     "@jupyterlab/coreutils": "^5.0.0",

packages/voila/src/manager.ts

@@ -111,8 +111,9 @@ export class WidgetManager extends JupyterLabManager {
         const model = await this.get_model(model_id);
         const widgetel = document.createElement('div');
         viewtag.parentElement.insertBefore(widgetel, viewtag);
+        const view = await this.create_view(model);
         // TODO: fix typing
-        await this.display_model(undefined as any, model, {
+        await this.display_view(undefined as any, view, {
           el: widgetel
         });
       } catch (error) {
@@ -131,7 +132,7 @@ export class WidgetManager extends JupyterLabManager {
 
   async display_view(msg: any, view: any, options: any): Promise<Widget> {
     if (options.el) {
-      LuminoWidget.Widget.attach(view.pWidget, options.el);
+      LuminoWidget.Widget.attach(view.luminoWidget, options.el);
     }
     if (view.el) {
       view.el.setAttribute('data-voila-jupyter-widget', '');

setup.cfg

@@ -62,8 +62,8 @@ visual_test =
     jupyterlab~=3.0
     bqplot
     scipy
-    ipympl==0.8.7
-    ipyvolume
+    ipympl==0.9.2
+    ipyvolume @ git+https://github.com/jtpio/ipyvolume@ipywidgets-8
     jupyterlab_miami_nights==0.3.2
 
 [options.entry_points]