handle-api-call-state-nicely

withLoadable.ts

export function withLoadable(baseReducer, {loadingActionType, successActionType, errorActionType}) {
  return (state, action) => {
    if (action.type === loadingActionType) {
      state = onLoadableLoad(state);
    }
    if (action.type === successActionType) {
      state = onLoadableSuccess(state);
    }
    if (action.type === errorActionType) {
      state = onLoadableError(state, action.error);
    }
    return baseReducer(state, action);
  };
}