From 66d500f08dad8ebb794dc18a8a916dff2c9243ba Mon Sep 17 00:00:00 2001
From: Kevin Jahns <kevin.jahns@protonmail.com>
Date: Mon, 30 Sep 2019 11:07:18 +0200
Subject: [PATCH] YEvent: consider case that item was added & removed in the
 same transaction

---
 src/utils/YEvent.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils/YEvent.js b/src/utils/YEvent.js
index 05429ee7..3a9d1dc7 100644
--- a/src/utils/YEvent.js
+++ b/src/utils/YEvent.js
@@ -56,6 +56,8 @@ export class YEvent {
   /**
    * Check if a struct is deleted by this event.
    *
+   * In contrast to change.deleted, this method also returns true if the struct was added and then deleted.
+   *
    * @param {AbstractStruct} struct
    * @return {boolean}
    */
@@ -66,6 +68,8 @@ export class YEvent {
   /**
    * Check if a struct is added by this event.
    *
+   * In contrast to change.deleted, this method also returns true if the struct was added and then deleted.
+   *
    * @param {AbstractStruct} struct
    * @return {boolean}
    */
@@ -106,7 +110,7 @@ export class YEvent {
         }
         for (let item = target._start; item !== null; item = item.right) {
           if (item.deleted) {
-            if (this.deletes(item)) {
+            if (this.deletes(item) && !this.adds(item)) {
               if (lastOp === null || lastOp.delete === undefined) {
                 packOp()
                 lastOp = { delete: 0 }