From 12db4a97c6b6c1ab623bfcba4e7892c50f05fa46 Mon Sep 17 00:00:00 2001
From: Claas <claas.moehlmann@outlook.com>
Date: Fri, 15 Sep 2023 13:43:50 +0200
Subject: [PATCH] Improve error handling

---
 src/lib/SerialPorts.svelte | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/src/lib/SerialPorts.svelte b/src/lib/SerialPorts.svelte
index 58d36b4..fa317de 100644
--- a/src/lib/SerialPorts.svelte
+++ b/src/lib/SerialPorts.svelte
@@ -32,11 +32,17 @@
 
   // Known working usb devices
   const portFilter = [{ usbVendorId: 6790, usbProductId: 29987 }];
-  function connect() {
-    navigator.serial.requestPort({ filters: portFilter }).then((port) => {
-      availablePorts.set(port, port.getInfo());
-      quickUpdateHack();
-    });
+  async function connect() {
+    let port;
+    try {
+      port = await navigator.serial.requestPort({ filters: portFilter });
+    } catch (error) {
+      console.warn("User cancelled port selection", error);
+      return;
+    }
+
+    availablePorts.set(port, port.getInfo());
+    quickUpdateHack();
   }
 
   function quickUpdateHack() {