text: 'use strict';
  
  const io = require('socket.io-client');
  
  const client = io.connect('http://localhost:3001/school');
  
  client.on('file-saved', (payload) => {
    console.log('saved', payload);
  });
  
  client.on('file-error', (payload) => {
    console.log('error', payload);
  });