From 6d0fafd04123dc7bf9fe77b66b546bea68730fc7 Mon Sep 17 00:00:00 2001
From: Sam Carlton <sam@sam.lc>
Date: Sat, 20 Aug 2022 21:35:57 -0500
Subject: [PATCH] Throw for falsy fileArrayBuffer

---
 helpers/scanner/client.mjs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/helpers/scanner/client.mjs b/helpers/scanner/client.mjs
index 7ade97b..ab285a7 100644
--- a/helpers/scanner/client.mjs
+++ b/helpers/scanner/client.mjs
@@ -9,6 +9,10 @@ export async function runScanWorker ( file, messageReceiver = noop ) {
 
     const fileArrayBuffer = ( typeof file.arrayBuffer === 'function' ) ? (await file.arrayBuffer()) : file.arrayBuffer
 
+    if ( !fileArrayBuffer ) {
+        throw new Error( 'No fileArrayBuffer' )
+    }
+
     const scan = await new Promise( ( resolve, reject ) => {
         // Set up the worker message handler
         appScanWorker.onmessage = async (event) => {