import {createStore} from 'redux'
import mainreducer from '../reducers/mainreducer'

const store=createStore(mainreducer);
export default store;

export const USER_DATA = 'USER_DATA';

export function setUserData(user_data) {
return {
    type: USER_DATA,
    user_data

  }
}

import {USER_DATA}  from '../actions/actions'

function mainreducer(state = {
    user_data: null,

}, action) {
    switch (action.type) {
    case USER_DATA:
        return {
            ...state,
            user_data: action.user_data

        };
    default:
        return state
   }
}
export default mainreducer;

...
const electron=require('electron');
import React from 'react';
import ReactDOM from 'react-dom';
import {setUserData} from "../actions/actions";
import store from '../store/store'
...
class AuthForm extends React.Component {
......
onClick() {
    let user_data={
        host: this.state.server,
        port: this.state.port,
        username: this.state.login,
        password: this.state.pass
    };
    store.dispatch(setUserData(user_data));
......
}