From c24c5b2861c5023ce766fac8b2f93f1fe8196654 Mon Sep 17 00:00:00 2001
From: Andrew Kingston <andrew@kingston.dev>
Date: Thu, 14 Jul 2022 16:17:25 +0100
Subject: [PATCH] Update sequential helper to properly queue promises

---
 packages/frontend-core/src/utils/utils.js | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/packages/frontend-core/src/utils/utils.js b/packages/frontend-core/src/utils/utils.js
index afa88a0624..fc24aa67f1 100644
--- a/packages/frontend-core/src/utils/utils.js
+++ b/packages/frontend-core/src/utils/utils.js
@@ -5,13 +5,17 @@
  * @return {Promise} a sequential version of the function
  */
 export const sequential = fn => {
-  let promise
+  let queue = []
   return async (...params) => {
-    if (promise) {
-      await promise
+    queue.push(async () => {
+      await fn(...params)
+      queue.pop()
+      if (queue.length) {
+        await queue[0]()
+      }
+    })
+    if (queue.length === 1) {
+      await queue[0]()
     }
-    promise = fn(...params)
-    await promise
-    promise = null
   }
 }