From a457a64dc0c8db4ba8a5a0fae221ec6962122548 Mon Sep 17 00:00:00 2001
From: Mikael Finstad <finstaden@gmail.com>
Date: Fri, 9 Aug 2024 23:21:32 +0200
Subject: [PATCH] wait for updateAssembly when restoring

fixes potential race condition
---
 packages/@uppy/transloadit/src/index.ts | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/packages/@uppy/transloadit/src/index.ts b/packages/@uppy/transloadit/src/index.ts
index aa3b2a450f..197a92cd01 100644
--- a/packages/@uppy/transloadit/src/index.ts
+++ b/packages/@uppy/transloadit/src/index.ts
@@ -703,20 +703,21 @@ export default class Transloadit<
       this.#connectAssembly(this.assembly)
     }
 
-    // Force-update all Assemblies to check for missed events.
-    const updateAssemblies = () => {
+    // Force-update Assembly to check for missed events.
+    const updateAssembly = () => {
       return this.assembly?.update()
     }
 
     // Restore all Assembly state.
-    this.restored = Promise.resolve().then(() => {
+    this.restored = (async () => {
       restoreState()
       restoreAssemblies()
-      updateAssemblies()
-    })
-
-    this.restored.then(() => {
+      await updateAssembly()
       this.restored = null
+    })()
+
+    this.restored.catch((err) => {
+      this.uppy.log('Failed to restore', err) // or we risk unhandled rejection
     })
   }