From c8c7fee2716b76e98f6451a5d47efb8086a972d1 Mon Sep 17 00:00:00 2001
From: Jonghyeon Ko <manudeli.ko@gmail.com>
Date: Sun, 18 Aug 2024 22:19:17 +0900
Subject: [PATCH] fix(query-core): shorten listeners code

---
 packages/query-core/src/subscribable.ts | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/packages/query-core/src/subscribable.ts b/packages/query-core/src/subscribable.ts
index e83e1f8cec..044efe6472 100644
--- a/packages/query-core/src/subscribable.ts
+++ b/packages/query-core/src/subscribable.ts
@@ -1,10 +1,7 @@
-type Listener = () => void
-
-export class Subscribable<TListener extends Function = Listener> {
-  protected listeners: Set<TListener>
+export class Subscribable<TListener extends Function> {
+  protected listeners = new Set<TListener>()
 
   constructor() {
-    this.listeners = new Set()
     this.subscribe = this.subscribe.bind(this)
   }