From d80980146fe45ccdb548e11c3bb80eecbe57fda9 Mon Sep 17 00:00:00 2001
From: tmdeveloper007 <tmdeveloper007@users.noreply.github.com>
Date: Mon, 27 Jul 2026 20:03:31 +0000
Subject: [PATCH] fix: use hasNewCalls flag for correct trailing edge in
 throttle

---
 packages/core/src/utils/throttle.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/core/src/utils/throttle.ts b/packages/core/src/utils/throttle.ts
index 88b2aff7c..5f45ba6d8 100644
--- a/packages/core/src/utils/throttle.ts
+++ b/packages/core/src/utils/throttle.ts
@@ -27,6 +27,7 @@ export function throttle<T extends (...args: unknown[]) => void>(
     const leading = options?.leading ?? true;
     let timer: ReturnType<typeof setTimeout> | undefined;
     let lastArgs: Parameters<T> | undefined;
+    let hasNewCalls = false;
 
     const throttled = function (...args: Parameters<T>) {
         lastArgs = args;
@@ -34,9 +35,12 @@ export function throttle<T extends (...args: unknown[]) => void>(
             if (leading) func(...args);
             timer = setTimeout(() => {
                 timer = undefined;
-                if (lastArgs !== args || !leading) func(...lastArgs!);
+                if (hasNewCalls || !leading) func(...lastArgs!);
                 lastArgs = undefined;
+                hasNewCalls = false;
             }, wait);
+        } else {
+            hasNewCalls = true;
         }
     } as T & { cancel: () => void };
 
@@ -44,6 +48,7 @@ export function throttle<T extends (...args: unknown[]) => void>(
         clearTimeout(timer);
         timer = undefined;
         lastArgs = undefined;
+        hasNewCalls = false;
     };
 
     return throttled;