gurubot2/src/reducers/annoy.js

import { createReducerObject } from 'create-reducer-object';

import {
    ANNOYED,
    ANNOY_RESPONDED
} from 'constants/actions';

const initialState = {
    loading: false,
    error: false
};

function onAnnoy(state) {
    if (state.loading) {
        return {};
    }

    return {
        loading: true,
        error: false
    };
}

function onAnnoyed(state, { err }) {
    return {
        loading: false,
        error: Boolean(err)
    };
}

const reducerMap = {
    [ANNOYED]: onAnnoy,
    [ANNOY_RESPONDED]: onAnnoyed
};

export const annoy = createReducerObject(reducerMap, initialState);