Fix build

packages/base/package.json

@@ -37,7 +37,7 @@
   "dependencies": {
     "@deathbeds/jupyterlab-rjsf": "^1.1.0",
     "@jupyter/collaborative-drive": "^3.0.0-beta.8",
-    "@jupyter/ydoc": "^1.0.0",
+    "@jupyter/ydoc": "^3.0.0-a9",
     "@jupytercad/occ-worker": "^3.0.0-alpha.3",
     "@jupytercad/schema": "^3.0.0-alpha.3",
     "@jupyterlab/application": "^4.0.0",

packages/schema/package.json

@@ -38,7 +38,7 @@
   },
   "dependencies": {
     "@apidevtools/json-schema-ref-parser": "^9.0.9",
-    "@jupyter/ydoc": "^1.0.0",
+    "@jupyter/ydoc": "^3.0.0-a9",
     "@jupyterlab/apputils": "^4.0.0",
     "@jupyterlab/coreutils": "^6.0.0",
     "@jupyterlab/docregistry": "^4.0.0",

packages/schema/src/doc.ts

@@ -1,5 +1,5 @@
 import { MapChange, YDocument } from '@jupyter/ydoc';
-import { JSONExt, JSONObject } from '@lumino/coreutils';
+import { JSONExt, JSONObject, JSONValue } from '@lumino/coreutils';
 import { ISignal, Signal } from '@lumino/signaling';
 import * as Y from 'yjs';
 
@@ -65,6 +65,42 @@ export class JupyterCadDoc
     return this._optionsChanged;
   }
 
+  getSource(): JSONValue | string {
+    const objects = this._objects.toJSON();
+    const options = this._options.toJSON();
+    const metadata = this._metadata.toJSON();
+    const outputs = this._outputs.toJSON();
+
+    return { objects, options, metadata, outputs };
+  }
+
+  setSource(value: JSONValue): void {
+    if (!value) {
+      return;
+    }
+    this.transact(() => {
+      const objects = value['objects'] ?? [];
+      objects.forEach(obj => {
+        this._objects.push([new Y.Map(Object.entries(obj))]);
+      });
+
+      const options = value['options'] ?? {};
+      Object.entries(options).forEach(([key, val]) =>
+        this._options.set(key, val)
+      );
+
+      const metadata = value['metadata'] ?? {};
+      Object.entries(metadata).forEach(([key, val]) =>
+        this._metadata.set(key, val as string)
+      );
+
+      const outputs = value['outputs'] ?? {};
+      Object.entries(outputs).forEach(([key, val]) =>
+        this._outputs.set(key, val as IPostResult)
+      );
+    });
+  }
+
   get metadataChanged(): ISignal<IJupyterCadDoc, MapChange> {
     return this._metadataChanged;
   }

python/jupytercad_app/package.json

@@ -53,7 +53,7 @@
     "@codemirror/view": "^6.9.3",
     "@jupyter/collaboration": "^3.0.0-beta.8",
     "@jupyter/collaborative-drive": "^3.0.0-beta.8",
-    "@jupyter/ydoc": "^0.3.4 || ^1.0.2",
+    "@jupyter/ydoc": "^3.0.0-a9",
     "@jupytercad/base": "^3.0.0-alpha.3",
     "@jupytercad/schema": "^3.0.0-alpha.3",
     "@jupyterlab/application": "^4.0.0",