export type WorkTag = 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 ; export const FunctionComponent = 0 ; /**
 * FiberRoot.current
 */ export const HostRoot = 3 ; /**
 * 文字节点
 */ export const HostText = 6 ; /**
 * 在每经过reconcile之前class和function都是该类组件
 */ export const IndeterminateComponent = 2 ; export const ClassComponent = 1 ; /**
 * div span之类的组件
 */ export const HostComponent = 5 ; export const MemoComponent = 14 ; export const SimpleMemoComponent = 15 ;