From 6deba2b1cc49d9ae46f06cc544a0f87fc87a32ff Mon Sep 17 00:00:00 2001
From: Mingfei <az8641683@163.com>
Date: Fri, 24 Sep 2021 16:45:48 +0800
Subject: [PATCH] fix: add remove component in one frame throw error (#145)

---
 packages/eva.js/lib/core/ComponentObserver.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/eva.js/lib/core/ComponentObserver.ts b/packages/eva.js/lib/core/ComponentObserver.ts
index f993f366..44e64b49 100644
--- a/packages/eva.js/lib/core/ComponentObserver.ts
+++ b/packages/eva.js/lib/core/ComponentObserver.ts
@@ -39,6 +39,9 @@ class ComponentObserver {
    */
   add({ component, prop, type, componentName }: ObserverEventParams) {
     if (type === ObserverType.REMOVE) {
+      if (this.events.find((changed: ObserverEvent) => changed.component === component && changed.type === ObserverType.ADD)) {
+        return
+      }
       this.events = this.events.filter(changed => changed.component !== component);
     }