reuse item position references in Y.Text

2020-06-05 00:27:36 +02:00
parent a5a48d07f6
commit 0a0098fdfb
3 changed files with 53 additions and 56 deletions
--- a/src/structs/Item.js
+++ b/src/structs/Item.js
@@ -438,7 +438,8 @@ export class Item extends AbstractStruct {
   * Computes the last content address of this Item.
   */
  get lastId () {
-    return createID(this.id.client, this.id.clock + this.length - 1)
+    // allocating ids is pretty costly because of the amount of ids created, so we try to reuse whenever possible
+    return this.length === 1 ? this.id : createID(this.id.client, this.id.clock + this.length - 1)
  }

  /**