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React Fiber #47

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jangdelong opened this issue Jan 6, 2022 · 0 comments
Open

React Fiber #47

jangdelong opened this issue Jan 6, 2022 · 0 comments
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Fiber React

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@jangdelong
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jangdelong commented Jan 6, 2022 •
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React Fiber 除了通过挂起，恢复和终止来控制更新外，还给每个任务分配了优先级。 具体点就是在创建或者更新FiberNode 的时候，通过算法给每个任务分配一个到期时间（expirationTime）。 在每个任务执行的时候除了判断剩余时间，如果当前处理节点已经过期，那么无论现在是否有空闲时间都必须执行该任务。

更新过程的可控主要体现在下面几个方面：

  • 任务拆分
  • 任务挂起、恢复、终止
  • 任务具备优先级

https://www.zoo.team/article/about-react-fiber
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