From a98bfdd0c6e6717ca809bcb9e62b0315c49c0a17 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Sun, 9 Feb 2025 14:52:43 -0600
Subject: [PATCH] fetchWorker: try throwing a preemptive AbortError inside the
 worker itself

---
 src/workers/fetch.worker.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/workers/fetch.worker.ts b/src/workers/fetch.worker.ts
index d0cd1f44..7d0d1fa9 100644
--- a/src/workers/fetch.worker.ts
+++ b/src/workers/fetch.worker.ts
@@ -13,6 +13,10 @@ export const FetchWorker = {
     init: Omit<RequestInit, 'signal'>,
     signal: AbortSignal | null | undefined,
   ): Promise<[BodyInit, ResponseInit]> {
+    if (signal?.aborted) {
+      throw new DOMException('The signal has been aborted', 'AbortError');
+    }
+
     logi({ level: 'debug', ns: 'ditto.fetch', state: 'started', method: init.method ?? 'GET', url });
 
     const response = await safeFetch(url, { ...init, signal });