From 5ba83f3d56dc898728e3e6429344ec171348ebc8 Mon Sep 17 00:00:00 2001
From: dumbmoron <log@riseup.net>
Date: Sat, 21 Sep 2024 09:08:45 +0000
Subject: [PATCH] web/polyfills: add polyfill for AbortSignal.timeout

---
 web/src/lib/polyfills.ts                     |  1 +
 web/src/lib/polyfills/abortsignal-timeout.ts | 10 ++++++++++
 2 files changed, 11 insertions(+)
 create mode 100644 web/src/lib/polyfills/abortsignal-timeout.ts

diff --git a/web/src/lib/polyfills.ts b/web/src/lib/polyfills.ts
index b5917b5c..621c9b2b 100644
--- a/web/src/lib/polyfills.ts
+++ b/web/src/lib/polyfills.ts
@@ -1 +1,2 @@
 import "./polyfills/user-activation";
+import "./polyfills/abortsignal-timeout";
diff --git a/web/src/lib/polyfills/abortsignal-timeout.ts b/web/src/lib/polyfills/abortsignal-timeout.ts
new file mode 100644
index 00000000..8d9b3c66
--- /dev/null
+++ b/web/src/lib/polyfills/abortsignal-timeout.ts
@@ -0,0 +1,10 @@
+import { browser } from "$app/environment";
+
+if (browser && 'AbortSignal' in window && !window.AbortSignal.timeout) {
+    window.AbortSignal.timeout = (milliseconds: number) => {
+        const controller = new AbortController();
+        setTimeout(() => controller.abort("timed out"), milliseconds);
+
+        return controller.signal;
+    }
+}