Port Undo/Redo approach with a clean API

2019-06-23 13:04:14 +02:00
parent 14df5b72af
commit 03458dc641
18 changed files with 793 additions and 290 deletions
--- a/src/types/YText.js
+++ b/src/types/YText.js
@@ -625,6 +625,10 @@ export class YText extends AbstractType {
    this._pending = null
  }

+  _copy () {
+    return new YText()
+  }
+
  /**
   * Creates YTextEvent and calls observers.
   *