verificator/es/reducer/errorsReducer.js

Client and server-side validation JavaScript library

import { ADD_ERROR, REMOVE_ERROR, CLEAR_ERRORS } from '../constants/types';
const initialState = {};
const reducer = (state = initialState, action) => {
    const { type } = action;
    if (type === ADD_ERROR) {
        const { key, message } = action.payload;
        const errors = state[key] || [];
        if (errors.indexOf(message) === -1) {
            return Object.assign({}, state, { [key]: [...errors, message] });
        }
    }
    else if (type === REMOVE_ERROR) {
        const { key } = action.payload;
        if (key in state) {
            return Object.assign({}, state, { [key]: [] });
        }
    }
    else if (type === CLEAR_ERRORS) {
        return {};
    }
    return state;
};
export default reducer;