From 296ab4aadf0cd24d2623f1fb4b237b6424ea8803 Mon Sep 17 00:00:00 2001
From: Harvmaster <hzuccon@gmail.com>
Date: Mon, 10 Aug 2026 01:58:37 +0000
Subject: [PATCH] Custom waitFor timeout error

---
 source/errors.ts        | 9 +++++++++
 source/event-emitter.ts | 3 ++-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 source/errors.ts

diff --git a/source/errors.ts b/source/errors.ts
new file mode 100644
index 0000000..35f2a33
--- /dev/null
+++ b/source/errors.ts
@@ -0,0 +1,9 @@
+/**
+ * Error thrown when a waitFor timeout is reached
+ */
+export class WaitForTimeoutError extends Error {
+    constructor(type: string) {
+        super(`Timeout waiting for event "${type}"`);
+        this.name = 'WaitForTimeoutError';
+    }
+}
diff --git a/source/event-emitter.ts b/source/event-emitter.ts
index 6e4fc26..ccc0dd5 100644
--- a/source/event-emitter.ts
+++ b/source/event-emitter.ts
@@ -1,5 +1,6 @@
 import type { DeeplyReadonly } from './types.ts';
 
+import { WaitForTimeoutError } from './errors.ts';
 import { deepFreeze } from './misc.ts';
 
 export type EventMap = Record<string, unknown>;
@@ -213,7 +214,7 @@ export class EventEmitter<T extends EventMap> {
             if (timeoutMs !== undefined) {
                 timeoutId = setTimeout(() => {
                     this.off(type, listener);
-                    reject(new Error(`Timeout waiting for event "${String(type)}"`));
+                    reject(new WaitForTimeoutError(String(type)));
                 }, timeoutMs);
             }