Feature/y sync options: allow passing ySyncOptions to extension-colla…

…boration (#4976)

* extension-collaboration: allow passing ySyncOptions

* fixes import

packages/extension-collaboration/src/collaboration.ts

@@ -9,6 +9,8 @@ import {
 } from 'y-prosemirror'
 import { UndoManager } from 'yjs'
 
+type YSyncOpts = Parameters<typeof ySyncPlugin>[1]
+
 declare module '@tiptap/core' {
   interface Commands<ReturnType> {
     collaboration: {
@@ -41,6 +43,8 @@ export interface CollaborationOptions {
    * Fired when the content from Yjs is initially rendered to Tiptap.
    */
   onFirstRender?: () => void,
+
+  ySyncOptions?: YSyncOpts
 }
 
 export const Collaboration = Extension.create<CollaborationOptions>({
@@ -149,8 +153,11 @@ export const Collaboration = Extension.create<CollaborationOptions>({
       }
     }
 
-    const onFirstRender = this.options.onFirstRender
-    const ySyncPluginOptions = onFirstRender ? { onFirstRender } : {}
+    const ySyncPluginOptions: YSyncOpts = {
+      ...(this.options.ySyncOptions ? { ...this.options.ySyncOptions } : {}),
+      ...(this.options.onFirstRender ? { ...this.options.onFirstRender } : {}),
+    }
+
     const ySyncPluginInstance = ySyncPlugin(fragment, ySyncPluginOptions)
 
     return [ySyncPluginInstance, yUndoPluginInstance]