From aa6d4afc27b96b53e5416c22ddabd1e1422c4a3d Mon Sep 17 00:00:00 2001
From: Kuitos <kuitos.lau@gmail.com>
Date: Wed, 8 Dec 2021 21:06:33 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20init=20global=20name=20map=20for?=
 =?UTF-8?q?=20app=20instance=20(#1860)?=
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---
 src/utils.ts | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/src/utils.ts b/src/utils.ts
index 47f3504..704d90d 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -111,22 +111,18 @@ export function getWrapperId(name: string) {
 
 export const nativeGlobal = new Function('return this')();
 
+Object.defineProperty(nativeGlobal, '__app_instance_name_map__', {
+  enumerable: false,
+  writable: true,
+  value: {},
+});
 /**
  * get app instance name with the auto-increment approach
  * @param appName
  */
 export const getAppInstanceName = (appName: string): string => {
-  if (typeof nativeGlobal.__app_instance_name_map__?.[appName] === undefined) {
-    const prevAppsCount = nativeGlobal.__app_instance_name_map__ || {};
-    Object.defineProperty(nativeGlobal, '__app_instance_name_map__', {
-      enumerable: false,
-      writable: true,
-      value: {
-        ...prevAppsCount,
-        [appName]: 0,
-      },
-    });
-
+  if (!(appName in nativeGlobal.__app_instance_name_map__)) {
+    nativeGlobal.__app_instance_name_map__[appName] = 0;
     return appName;
   }