From 20d3f41d6df26d87da2eae3279ad0ac66dba7260 Mon Sep 17 00:00:00 2001
From: qhbin <925078922@qq.com>
Date: Thu, 26 Aug 2021 11:51:39 +0800
Subject: [PATCH] fix(Popup): memory leak issue (#9336)
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* fix: 修复弹框组件内存泄漏问题

* fix: es5兼容

Co-authored-by: qiuhuibin <qiuhuibin@bigo.sg>
---
 src/mixins/popup/context.ts | 8 ++++++++
 src/mixins/popup/overlay.ts | 1 +
 2 files changed, 9 insertions(+)

diff --git a/src/mixins/popup/context.ts b/src/mixins/popup/context.ts
index 6ab98f914..9935a3768 100644
--- a/src/mixins/popup/context.ts
+++ b/src/mixins/popup/context.ts
@@ -13,4 +13,12 @@ export const context = {
   find(vm: any): StackItem | undefined {
     return this.stack.filter((item) => item.vm === vm)[0];
   },
+  remove: function remove(vm: any) {
+    const item = this.find(vm);
+    if(!item) return;
+    item.vm = null;
+    item.overlay = null;
+    const index = this.stack.indexOf(item);
+    this.stack.splice(index, 1);
+  },
 };
diff --git a/src/mixins/popup/overlay.ts b/src/mixins/popup/overlay.ts
index 1d5d86f6a..c4345d4f9 100644
--- a/src/mixins/popup/overlay.ts
+++ b/src/mixins/popup/overlay.ts
@@ -73,5 +73,6 @@ export function removeOverlay(vm: any) {
   const item = context.find(vm);
   if (item) {
     removeNode(item.overlay.$el);
+    context.remove(vm);
   }
 }