Setting App.js file

settingApp.js

import React, { Component } from 'react';

const totalBoardRows = 40;
const totalBoardColumns = 60;

const newBoardStatus = () => {};
const BoardGrid = () => {};
const Slider = () => {};

class App extends Component {
    state = {};

    // Methods ...

    render() {
        return (
            
        );
    }
}

export default App;