我一直在阅读ngrx示例应用程序的代码,发现两个函数调用
createFeatureSelector<AuthState>('auth');
和
createSelector(selectAuthState,(state: AuthState) => state.status);
这是做什么的?
export const selectAuthState = createFeatureSelector<AuthState>('auth');
export const selectAuthStatusState = createSelector(
selectAuthState,
(state: AuthState) => state.status
);