QuickChess/src/index.js

import React from 'react';
import ReactDOM from 'react-dom';
import io from 'socket.io-client';

import Board from './board';

import './index.css';


const ENDPOINT = "http://192.168.1.7:4001";

class Game extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      board: null,
      socket: io(ENDPOINT),
    };

    this.state.socket.on("FromAPI", data => {
      console.log(data);
      this.setState({
        board: null,
      });
      this.setState({
        board: (
          <Board
           text={data}
           onMove={(move) => {
             console.log("ON MOVE");
             this.state.socket.emit("move", move);
          }}/>
        ),
      });
    });
  }

  render() {
    return (
      <div className="game">
        <div className="game-board">
          {this.state.board}
        </div>
      </div>
    );
  }
}

// ========================================

ReactDOM.render(
  <Game />,
  document.getElementById('root')
);