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subtreeFlags是怎么代替firstEffect, nextEffect的？ #49

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Empire-T9 opened this issue Nov 4, 2021 · 1 comment

Empire-T9 commented Nov 4, 2021

最新版react代码，用subtreeFlags是代替firstEffect, nextEffect，这部分不是双链表了吗？

creamidea commented Jun 13, 2022

是的，目前了解到这种是为了新的 Suspense 特性做的改造，在 commit 阶段需要再次遍历整树。能够让下面的例子中 Component 在 loading 的时候也能过显示出来

<Suspense fallback="loading...">
  // LazyComponent 需要请求远程数据才能展示
  <LazyComponent />
 
  // Component 正常组件
  <Component />
</Suspense>

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