fix init

Author: baptisteArno

packages/yjs/README.md

@@ -259,11 +259,19 @@ const sidebarEditor = createPlateEditor({
   ],
 });
 
-// Initialize without auto-connecting (parent handles the connection)
-await mainEditor.api.yjs.init({ autoConnect: true });
-await sidebarEditor.api.yjs.init({ autoConnect: false });
+// Initialize with initial values - they'll be applied to the correct sharedTypes
+await mainEditor.api.yjs.init({
+  autoConnect: true,
+  value: [{ type: 'p', children: [{ text: 'Main editor content' }] }],
+});
+await sidebarEditor.api.yjs.init({
+  autoConnect: false,
+  value: [{ type: 'p', children: [{ text: 'Sidebar content' }] }],
+});
 ```
 
+**Important:** When using a custom `sharedType`, the initial `value` passed to `init()` will be applied directly to that specific `sharedType`, not to the default `ydoc.get('content', Y.XmlText)`. This ensures each editor's initial content goes to the correct location in your nested structure.
+
 ### Cursor Support
 
 Collaborative cursors are enabled by default. You can customize their appearance and behavior:

packages/yjs/src/lib/BaseYjsPlugin.ts

@@ -1,4 +1,4 @@
-import { YjsEditor } from '@slate-yjs/core';
+import { slateNodesToInsertDelta, YjsEditor } from '@slate-yjs/core';
 import {
   type InitOptions,
   type Value,
@@ -197,6 +197,7 @@ export const BaseYjsPlugin = createTSlatePlugin<YjsConfig>({
         _providers,
         awareness,
         providers: providerConfigsOrInstances = [],
+        sharedType: customSharedType,
         ydoc,
       } = options;
 
@@ -222,13 +223,23 @@ export const BaseYjsPlugin = createTSlatePlugin<YjsConfig>({
           initialNodes = editor.api.create.value();
         }
 
-        const initialDelta = await slateToDeterministicYjsState(
-          id ?? editor.id,
-          initialNodes
-        );
-        ydoc.transact(() => {
-          Y.applyUpdate(ydoc, initialDelta);
-        });
+        // Use custom sharedType if provided, otherwise use default 'content'
+        if (customSharedType) {
+          // Apply initial value directly to the custom shared type
+          const delta = slateNodesToInsertDelta(initialNodes);
+          ydoc.transact(() => {
+            customSharedType.applyDelta(delta);
+          });
+        } else {
+          // Use deterministic state for default 'content' key
+          const initialDelta = await slateToDeterministicYjsState(
+            id ?? editor.id,
+            initialNodes
+          );
+          ydoc.transact(() => {
+            Y.applyUpdate(ydoc, initialDelta);
+          });
+        }
       }
 
       // Final providers array that will contain both configured and custom providers