feat: jupyter lab 3.0 federated bundle support

Author: maartenbreddels

js/package.json

@@ -26,21 +26,22 @@
     "build:all": "npm run build:labextension",
     "build:bundles": "webpack -d && node ./scripts/post-build.js --debug",
     "build:bundles-prod": "webpack -p && node ./scripts/post-build.js",
-    "build:labextension": "rimraf lab-dist && mkdirp lab-dist && cd lab-dist && npm pack ..",
+    "build:labextension": "rimraf lab-dist && mkdirp lab-dist && cd lab-dist && npm pack .. && cd .. && jupyter labextension build .",
     "clean": "rimraf dist && rimraf ../pythreejs/static && rimraf lab-dist && node ./scripts/clean-generated-files.js",
     "prepack": "npm run build:bundles-prod",
     "prepare": "npm run autogen",
     "update:deps": "update-dependency --minimal --regex \"^(?!@jupyter-widgets|three)\"",
     "watch": "webpack -d -w"
   },
   "dependencies": {
-    "@jupyter-widgets/base": "^1.2.5 || ^2.0.0 || ^3.0.0",
+    "@jupyter-widgets/base": "^1.2.5 || ^2.0.0 || ^3.0.0 || ^4.0.0-alpha.2",
     "bluebird": "^3.5.5",
     "jupyter-dataserializers": "^2.2.0",
     "three": "^0.97.0",
     "underscore": "^1.8.3"
   },
   "devDependencies": {
+    "@jupyterlab/builder": "^3.0.0-rc.13",
     "@jupyterlab/buildutils": "^2.0.2",
     "eslint": "^6.8.0",
     "fs-extra": "^8.1.0",
@@ -53,6 +54,16 @@
   },
   "jupyterlab": {
     "extension": "src/jupyterlab-plugin",
+    "outputDir": "../share/jupyter/labextensions/jupyter-threejs",
+    "sharedPackages": {
+      "@jupyter-widgets/base": {
+        "bundled": false,
+        "singleton": true
+      },
+      "threejs": {
+        "bundled": true
+      }
+    },
     "discovery": {
       "kernel": [
         {

js/src/jupyterlab-plugin.js

@@ -19,7 +19,7 @@ module.exports = {
                             console.error(err);
                             reject(err);
                         },
-                        'jupyter-threejs'
+                        'jupyter-threejs-chunk'
                     );
                 });
             }

setup.py

@@ -39,6 +39,12 @@
         ('share/jupyter/lab/extensions',
          'js/lab-dist',
          'jupyter-threejs-*.tgz'),
+        ('share/jupyter/labextensions/jupyter-threejs/',
+         'share/jupyter/labextensions/jupyter-threejs/',
+         '*.*'),
+        ('share/jupyter/labextensions/jupyter-threejs/static',
+         'share/jupyter/labextensions/jupyter-threejs/static/',
+         '*.*'),
         ('etc/jupyter/nbconfig',
          'jupyter-config',
          '**/*.json'),