Add support for historical paths

packages/tiptap-extensions/src/extensions/History.js

@@ -1,5 +1,5 @@
 import { Extension } from 'tiptap'
-import { history, undo, redo } from 'prosemirror-history'
+import { history, undo, redo, undoDepth, redoDepth } from 'prosemirror-history'
 
 export default class History extends Extension {
 
@@ -37,6 +37,8 @@ export default class History extends Extension {
     return {
       undo: () => undo,
       redo: () => redo,
+      undoDepth: () => undoDepth,
+      redoDepth: () => redoDepth,
     }
   }