- fiber 类型 hostRoot hostComponent(真实dom节点) hostText(文本节点) classComponent (class) provider consumer
- 等等 这些fiber 类型
将root 推到链表 里面 执行work的时候
update 类型
export const UpdateState = 0; // 更新
export const ReplaceState = 1; // 替换
export const ForceUpdate = 2; //
export const CaptureUpdate = 3
export type Update<State> = {
expirationTime: ExpirationTime,
tag: 0 | 1 | 2 | 3,
payload: any,
callback: (() => mixed) | null,
next: Update<State> | null,
nextEffect: Update<State> | null,
};