From 89b1c88823bbb90392dd596646f0b7e8e4986957 Mon Sep 17 00:00:00 2001
From: Massimo Candela <massimo@us.ntt.net>
Date: Sun, 27 Feb 2022 17:22:56 +0100
Subject: [PATCH] fixed resolution of inexistent promise

---
 src/PersistentStore.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/PersistentStore.js b/src/PersistentStore.js
index 81923fa..0f9bc62 100644
--- a/src/PersistentStore.js
+++ b/src/PersistentStore.js
@@ -152,9 +152,12 @@ export default class PersistentStore extends Store{
         return new Promise((resolve, reject) => {
             if (this.options.autoSave) {
                 if (this._delayedSaveTimer) {
-                    this._delayedSavePromise();
-                    this._delayedSavePromise = null;
+                    if (this._delayedSavePromise) {
+                        this._delayedSavePromise();
+                        this._delayedSavePromise = null;
+                    }
                     clearTimeout(this._delayedSaveTimer);
+                    this._delayedSaveTimer = null;
                 }
                 this._delayedSavePromise = resolve;
                 this._delayedSaveTimer = setTimeout(() => {