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/YArray.js
+++ b/src/types/YArray.js
@@ -68,6 +68,11 @@ export class YArray extends AbstractType {
    this.insert(0, /** @type {Array} */ (this._prelimContent))
    this._prelimContent = null
  }
+
+  _copy () {
+    return new YArray()
+  }
+
  get length () {
    return this._prelimContent === null ? this._length : this._prelimContent.length
  }