From 1246260fd512ab899758ec836f07a7fb99acfe9d Mon Sep 17 00:00:00 2001
From: Simon H <5968653+dummdidumm@users.noreply.github.com>
Date: Tue, 18 Apr 2023 10:31:33 +0200
Subject: [PATCH] Update src/runtime/internal/lifecycle.ts

---
 src/runtime/internal/lifecycle.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/runtime/internal/lifecycle.ts b/src/runtime/internal/lifecycle.ts
index 9d68db96de..1c1726c29c 100644
--- a/src/runtime/internal/lifecycle.ts
+++ b/src/runtime/internal/lifecycle.ts
@@ -33,7 +33,7 @@ export function beforeUpdate(fn: () => any) {
  * 
  * https://svelte.dev/docs#run-time-svelte-onmount
  */
-export function onMount<T>(fn: () => T extends Promise<() => any> ? never : T): void {
+export function onMount<T>(fn: () => T extends Promise<() => any> ? "Returning a function asynchronously from onMount won't call that function on destroy" : T): void {
 	get_current_component().$$.on_mount.push(fn);
 }