Match-id-b5f917c72588dc46381019cba0455e0369de6e5b

libs/horizon/src/renderer/ContextSaver.ts

@@ -30,10 +30,18 @@ let ctxOldChange: Boolean = false;
 let ctxOldPreviousContext: Object = {};
 
 function setContext(vNode: VNode, contextName, value) {
-  vNode.contexts[contextName] = value;
+  if (vNode.contexts === null) {
+    vNode.contexts = {
+      [contextName]: value,
+    };
+  } else {
+    vNode.contexts[contextName] = value;
+  }
 }
 function getContext(vNode: VNode, contextName) {
-  return vNode.contexts[contextName];
+  if (vNode.contexts !== null) {
+    return vNode.contexts[contextName];
+  }
 }
 
 // capture阶段设置

libs/horizon/src/renderer/render/DomComponent.ts

@@ -1,5 +1,5 @@
-import type {VNode} from '../Types';
-import type {Props} from '../../dom/DOMOperator';
+import type { VNode } from '../Types';
+import type { Props } from '../../dom/DOMOperator';
 
 import {
   getNamespaceCtx,
@@ -12,10 +12,10 @@ import {
   initDomProps, getPropChangeList,
   isTextChild,
 } from '../../dom/DOMOperator';
-import {FlagUtils} from '../vnode/VNodeFlags';
-import {createVNodeChildren, markRef} from './BaseComponent';
-import {DomComponent, DomPortal, DomText} from '../vnode/VNodeTags';
-import {getFirstChild, travelVNodeTree} from '../vnode/VNodeUtils';
+import { FlagUtils } from '../vnode/VNodeFlags';
+import { createVNodeChildren, markRef } from './BaseComponent';
+import { DomComponent, DomPortal, DomText } from '../vnode/VNodeTags';
+import { travelVNodeTree } from '../vnode/VNodeUtils';
 
 function updateDom(
   processing: VNode,
@@ -80,15 +80,15 @@ export function bubbleRender(processing: VNode) {
     // 把dom类型的子节点append到parent dom中
     const vNode = processing.child;
     if (vNode !== null) {
-    // 向下递归它的子节点，查找所有终端节点。
-    travelVNodeTree(vNode, node => {
-      if (node.tag === DomComponent || node.tag === DomText) {
-        appendChildElement(dom, node.realNode);
-      }
-    }, node =>
-      // 已经append到父节点，或者是DomPortal都不需要处理child了
-      node.tag === DomComponent || node.tag === DomText || node.tag === DomPortal
-    , processing);
+      // 向下递归它的子节点，查找所有终端节点。
+      travelVNodeTree(vNode, node => {
+        if (node.tag === DomComponent || node.tag === DomText) {
+          appendChildElement(dom, node.realNode);
+        }
+      }, node =>
+        // 已经append到父节点，或者是DomPortal都不需要处理child了
+        node.tag === DomComponent || node.tag === DomText || node.tag === DomPortal
+        , processing);
     }
 
     processing.realNode = dom;

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

@@ -42,7 +42,7 @@ export class VNode {
   task: any;
 
   // 使用这个变量来记录修改前的值，用于恢复。
-  contexts = {};
+  contexts: any = null;
   // 因为LazyComponent会修改tag和type属性，为了能识别，增加一个属性
   isLazyComponent: boolean = false;