Fix instantiation bug

Automattic · Oct 3, 2021 · cabea2e · cabea2e
1 parent f625aea
commit cabea2e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/components/collaborative-editing/use-yjs/yjs-doc.js b/src/components/collaborative-editing/use-yjs/yjs-doc.js
@@ -13,7 +13,7 @@ export function createDocument( { identity, applyDataChanges, getData, getSelect
 	let undoManager;
 
 	const setupUndoManagerOnReady = ( state ) => {
-		if ( state === 'on' ) {
+		if ( state === 'on' && ! undoManager ) {
 			const postMap = doc.getMap( 'post' );
 			undoManager = new yjs.UndoManager( postMap, { trackedOrigins: new Set( [ identity ] ) } );