Match-id-e6fbf97ee32697280c273be5bc3a8b5f1605f1c9

libs/horizon/src/renderer/UpdateHandler.ts

@@ -72,7 +72,11 @@ function calcState(
 function collectCallbacks(vNode: VNode, update: Update) {
   if (update.callback !== null) {
     FlagUtils.markCallback(vNode);
-    vNode.stateCallbacks.push(update.callback);
+    if (vNode.stateCallbacks === null) {
+      vNode.stateCallbacks = [update.callback];
+    } else {
+      vNode.stateCallbacks.push(update.callback);
+    }
   }
 }
 

libs/horizon/src/renderer/submit/LifeCycleHandler.ts

@@ -72,13 +72,14 @@ function callBeforeSubmitLifeCycles(
 // 调用vNode.stateCallbacks
 function callStateCallback(vNode: VNode, obj: any): void {
   const stateCallbacks = vNode.stateCallbacks;
-  vNode.stateCallbacks = [];
-
-  stateCallbacks.forEach(callback => {
-    if (typeof callback === 'function') {
-      callback.call(obj);
-    }
-  });
+  vNode.stateCallbacks = null;
+  if (stateCallbacks !== null) {
+    stateCallbacks.forEach(callback => {
+      if (typeof callback === 'function') {
+        callback.call(obj);
+      }
+    });
+  }
 }
 
 // 调用界面变化后的生命周期

libs/horizon/src/renderer/vnode/VNode.ts

@@ -27,7 +27,7 @@ export class VNode {
   changeList: any = null; // DOM的变更列表
   effectList: any[] | null = null; // useEffect 的更新数组
   updates: any[] | null = null; // TreeRoot和ClassComponent使用的更新数组
-  stateCallbacks: any[] | null = []; // 存放存在setState的第二个参数和HorizonDOM.render的第三个参数所在的node数组
+  stateCallbacks: any[] | null = null; // 存放存在setState的第二个参数和HorizonDOM.render的第三个参数所在的node数组
   isForceUpdate: boolean = false; // 是否使用强制更新
 
   state: any = null; // ClassComponent和TreeRoot的状态