Enable JavaScript WebWorker kernel in JupyterLite

.readthedocs.yaml

@@ -4,6 +4,9 @@ build:
   os: "ubuntu-24.04"
   tools:
     python: "mambaforge-4.10"
+  jobs:
+    post_create_environment:
+      - python -m pip install --force-reinstall --no-deps --no-build-isolation -r docs/upstream-pr-requirements.txt
 
 conda:
   environment: docs/environment.yml

docs/environment.yml

@@ -6,10 +6,13 @@ channels:
 dependencies:
   - python=3.10
   - pip
+  - hatchling
+  - hatch-jupyter-builder
+  - hatch-nodejs-version
   - pydata-sphinx-theme
   - myst-parser
   - ipywidgets>=8.0,<9
-  - jupyterlab>=4.0.0,<5
+  - jupyterlab-lsp>=5.2.0,<6
   - jupyterlab-js-logs>=1.3.1,<2
   - jupyterlab-tour>=4,<5
   - jupyterlab-language-pack-fr-FR
@@ -18,7 +21,7 @@ dependencies:
   - jupyterlite-core>=0.7.0,<0.8
   - jupyterlite-sphinx>=0.22.0,<0.23
   - jupyterlite-pyodide-kernel>=0.7.0,<0.8
-  - nodejs=18
+  - nodejs>=22.12,<23
   - pip:
       - build
       - jupyterlab-open-url-parameter>=0.4,<1

docs/jupyter-lite.json

@@ -2,9 +2,18 @@
   "jupyter-lite-schema-version": 0,
   "jupyter-config-data": {
     "appName": "JupyterLab Plugin Playground",
+    "disableRTC": true,
     "disabledExtensions": [
       "jupyterlab-jupytext:plugin",
-      "jupyterlab-tour:default-tours"
+      "jupyterlab-tour:default-tours",
+      "jupyterlab-notebook-awareness:plugin",
+      "@jupyter/collaboration-extension",
+      "@jupyter/docprovider-extension",
+      "@jupyter-ai-contrib/server-documents",
+      "@jupyter-ai-contrib/server-documents:rtc-global-awareness",
+      "jupyterlab-chat-extension",
+      "@jupyterlite/application-extension:service-worker-manager",
+      "@jupyterlite/javascript-kernel-extension:kernel-iframe"
     ]
   }
 }

docs/jupyter_lite_config.json

@@ -5,7 +5,7 @@
       "typescript": {
         "name": "typescript",
         "extensions": [".ts", ".tsx"],
-        "mimeTypes": ["text/plain"],
+        "mimeTypes": ["text/typescript"],
         "fileFormat": "text"
       },
       "extensionless-text": {

docs/upstream-pr-requirements.txt

@@ -0,0 +1,2 @@
+git+https://github.com/MUFFANUJ/javascript-kernel.git@b45958cda2cd94210e4fcf655998c24e1aae09b8
+git+https://github.com/MUFFANUJ/jupyterlab.git@5ec1ebd8f3cde6cadc85de39e904c751d912e81c

package.json

@@ -67,7 +67,10 @@
         "@jupyterlab/completer": "^4.5.5",
         "@jupyterlab/filebrowser": "^4.5.5",
         "@jupyterlab/fileeditor": "^4.5.5",
+        "@jupyterlab/lsp": "^4.5.5",
         "@jupyterlab/settingregistry": "^4.5.5",
+        "@jupyterlite/javascript-kernel": "^0.4.0-alpha.4",
+        "@typescript/vfs": "^1.6.4",
         "jupyterlab-js-logs": "^1.3.1",
         "raw-loader": "^4.0.2",
         "requirejs": "^2.3.6",
@@ -137,6 +140,16 @@
         "outputDir": "jupyterlab_plugin_playground/labextension",
         "schemaDir": "schema",
         "sharedPackages": {
+            "@jupyterlab/lsp": {
+                "bundled": false,
+                "singleton": true,
+                "strictVersion": false
+            },
+            "@jupyterlite/javascript-kernel": {
+                "bundled": false,
+                "singleton": true,
+                "strictVersion": false
+            },
             "jupyterlab-js-logs": {
                 "singleton": true
             }

src/index.ts

@@ -52,6 +52,8 @@ import { PluginLoader, PluginLoadingError } from './loader';
 
 import { PluginTranspiler } from './transpiler';
 
+import { javaScriptKernelLspPlugins } from './javascript-kernel-lsp/integration';
+
 import { loadKnownModule } from './modules';
 
 import {
@@ -4468,7 +4470,11 @@ const notebookTreePlugin: JupyterFrontEndPlugin<void> = {
   }
 };
 
-const plugins: JupyterFrontEndPlugin<any>[] = [notebookTreePlugin, mainPlugin];
+const plugins: JupyterFrontEndPlugin<any>[] = [
+  notebookTreePlugin,
+  ...javaScriptKernelLspPlugins,
+  mainPlugin
+];
 
 export default plugins;
 export type { IKnownModule };