From 6177bf00a28123068ed8111030165361d7992285 Mon Sep 17 00:00:00 2001
From: Zhousg <zhousg1007@qq.com>
Date: Sun, 28 May 2023 16:18:54 +0800
Subject: [PATCH] fix(Popup): opened event is emitted twice when duration is 0
 (#11902)

* fix(Popup): duration 0s and enable lazyRender opened is executed twice

* fix(Popup): optimized code
---
 packages/vant/src/popup/Popup.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/packages/vant/src/popup/Popup.tsx b/packages/vant/src/popup/Popup.tsx
index 2c37674ad..f5fecfa6e 100644
--- a/packages/vant/src/popup/Popup.tsx
+++ b/packages/vant/src/popup/Popup.tsx
@@ -172,7 +172,14 @@ export default defineComponent({
       }
     };
 
-    const onOpened = () => emit('opened');
+    // see: https://github.com/youzan/vant/issues/11901
+    let timer: ReturnType<typeof setTimeout> | null;
+    const onOpened = () => {
+      if (timer) clearTimeout(timer);
+      timer = setTimeout(() => {
+        emit('opened');
+      });
+    };
     const onClosed = () => emit('closed');
     const onKeydown = (event: KeyboardEvent) => emit('keydown', event);