selectors.ts

// Selectors

// Select the whole loading state object
export const selectLoadingState = (state: RootState) => state.ui.loading;

// Select whether a given routine is loading
export const selectLoading = (routineType: string) => {
  return createSelector([selectLoadingState], (state: LoadingState) => {
    return !!state[routineType];
  });
};

// Select whether any routine is loading
export const selectAnyLoading = createSelector([selectLoadingState], (state: LoadingState) => {
  return Object.values(state).some(val => val);
});

// Select whether a given set of routines are loading
export const selectSomeLoading = (routineTypes: Array<string>) => {
  return createSelector([selectLoadingState], (state: LoadingState) => {
    return routineTypes.some(routineType => state[routineType]);
  });
};