Merge pull request #3847 from bollwyvl/gh-3829-lab4-mathjax

Try to use manager's latexTypesetter if window.MathJax is not defined

.binder/requirements.txt

@@ -1,9 +1,11 @@
 bqplot
 ipyleaflet
 jupyterlab-myst
-jupyterlab==4.0.2
+jupyterlab==4.0.7
 matplotlib
+nbclassic
 networkx
+notebook==7.0.5
 numpy
 pandas
 scikit-image

.yarnrc.yml

@@ -11,3 +11,22 @@ packageExtensions:
   source-map-loader@^4:
     dependencies:
       webpack: ^5
+
+enableTelemetry: false
+
+httpTimeout: 60000
+
+# these messages provide no actionable information, and make non-TTY output
+# almost unreadable, masking real dependency-related information
+# see: https://yarnpkg.com/advanced/error-codes
+logFilters:
+  - code: YN0006 # SOFT_LINK_BUILD
+    level: discard
+  - code: YN0007 # MUST_BUILD
+    level: discard
+  - code: YN0008 # MUST_REBUILD
+    level: discard
+  - code: YN0013 # FETCH_NOT_CACHED
+    level: discard
+  - code: YN0019 # UNUSED_CACHE_ENTRY
+    level: discard

dev-install.sh

@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
-
 # For a clean conda environment please read docs/source/dev_install.md
 
+set -x
+
 echo -n "Checking pip... "
 pip --version
 if [ $? -ne 0 ]; then
@@ -32,10 +33,13 @@ echo -n "widgetsnbextension"
 pip install -v -e ./python/widgetsnbextension
 if [[ "$OSTYPE" == "msys" ]]; then
     jupyter nbextension install --overwrite --py $nbExtFlags widgetsnbextension || true
+    jupyter nbclassic-extension install --overwrite --py $nbExtFlags widgetsnbextension || true
 else
     jupyter nbextension install --overwrite --py --symlink $nbExtFlags widgetsnbextension || true
+    jupyter nbclassic-extension install --overwrite --py --symlink $nbExtFlags widgetsnbextension || true
 fi
 jupyter nbextension enable --py $nbExtFlags widgetsnbextension || true
+jupyter nbclassic-extension enable --py $nbExtFlags widgetsnbextension || true
 
 echo -n "ipywidgets"
 pip install -v -e "./python/ipywidgets[test]"

packages/controls/src/widget_description.ts

@@ -66,7 +66,19 @@ export class DescriptionView extends DOMWidgetView {
   }
 
   typeset(element: HTMLElement, text?: string): void {
-    this.displayed.then(() => typeset(element, text));
+    this.displayed.then(() => {
+      if ((window as any).MathJax?.Hub?.Queue) {
+        return typeset(element, text);
+      }
+      const widget_manager: any = this.model.widget_manager;
+      const latexTypesetter = widget_manager._rendermime?.latexTypesetter;
+      if (latexTypesetter) {
+        if (text !== void 0) {
+          element.textContent = text;
+        }
+        latexTypesetter.typeset(element);
+      }
+    });
   }
 
   updateDescription(): void {