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[inula]<bugfix> 大数组合并使用 concat

This commit is contained in:
13659257719 2023-10-12 15:56:45 +08:00
parent 4481c9f241
commit 1bb0478883
1 changed files with 9 additions and 1 deletions
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10
packages/inula/src/renderer/TreeBuilder.ts
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@ -55,6 +55,9 @@ import { getPathArr } from './utils/vNodePath';
import { injectUpdater } from '../external/devtools'; import { injectUpdater } from '../external/devtools';
import { popCurrentRoot, pushCurrentRoot } from './RootStack'; import { popCurrentRoot, pushCurrentRoot } from './RootStack';
// 使用 push 扩展语法合并数组场景下被合并数组元素的上限（经验值）
const MAX_NUM_PUSH_MERGE_ARRAY = 1000;
// 不可恢复错误 // 不可恢复错误
let unrecoverableErrorDuringBuild: any = null; let unrecoverableErrorDuringBuild: any = null;
@ -81,7 +84,12 @@ function collectDirtyNodes(vNode: VNode, parent: VNode): void {
if (parent.dirtyNodes === null) { if (parent.dirtyNodes === null) {
parent.dirtyNodes = dirtyNodes; parent.dirtyNodes = dirtyNodes;
} else { } else {
parent.dirtyNodes.push(...vNode.dirtyNodes!); // 超过上限继续使用 push 方法合并数组将导致性能劣化/调用栈溢出
if (dirtyNodes.length > MAX_NUM_PUSH_MERGE_ARRAY) {
parent.dirtyNodes = parent.dirtyNodes.concat(dirtyNodes);
} else {
parent.dirtyNodes.push(...dirtyNodes);
}
dirtyNodes.length = 0; dirtyNodes.length = 0;
} }
vNode.dirtyNodes = null; vNode.dirtyNodes = null;