app/reducers/userReducer.jsx

// - Import action types
import * as types from 'actionTypes';

// Default state for reducer
let defaultState = {
    info: {},
    loaded: false,
    openEditProfile: false
};

// User reducer
export let userReducer = (state = defaultState, action) => {
    const { payload } = action;
    switch (action.type) {
        case types.USER_INFO:
            return {
                ...state,
                info: {
                    ...state.info,
                    [payload.uid]: {
                        ...payload.info
                    }
                }
            };
        case types.ADD_USER_INFO:
            return {
                ...state,
                info: {
                    ...state.info,
                    [payload.uid]: {
                        ...payload.info
                    }
                },
                loaded: true
            };
        case types.ADD_PEOPLE_INFO:
            return {
                ...state,
                info: {
                    ...state.info,
                    ...payload
                }
            };
        case types.UPDATE_USER_INFO:
            return {
                ...state,
                info: {
                    ...state.info,
                    [payload.uid]: {
                        ...state.info[payload.uid],
                        ...payload.info
                    }
                }
            };
        case types.CLEAR_ALL_DATA_USER:
            return defaultState;
        case types.CLOSE_EDIT_PROFILE:
            return {
                ...state,
                openEditProfile: false
            };
        case types.OPEN_EDIT_PROFILE:
            return {
                ...state,
                openEditProfile: true
            };
        default:
            return state;
    }
}