X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/d260d2473cd7faefb0f06cedfb26ef5abda7e012..646e1d88d8aac461e0a13b6c0f1aa1b198e3659c:/src/common/file.ts

diff --git a/src/common/file.ts b/src/common/file.ts
index 3f17a38f..23113992 100644
--- a/src/common/file.ts
+++ b/src/common/file.ts
@@ -3,10 +3,13 @@
 // SPDX-License-Identifier: AGPL-3.0
 
 export const fileToArrayBuffer = (file: File) =>
-    new Promise<ArrayBuffer>(resolve => {
+    new Promise<ArrayBuffer>((resolve, reject) => {
         const reader = new FileReader();
         reader.onload = () => {
             resolve(reader.result as ArrayBuffer);
         };
+        reader.onerror = () => {
+            reject();
+        };
         reader.readAsArrayBuffer(file);
     });