text: const a = require('./test2.js');
  
  console.log(a({ name: 'Hopa' }));
  
  function * test() {
    yield 'foo';
  }
  
  const t = test();
  console.log(t.next());
  let counter = 0;
  
  setInterval(() => {
    if (++counter < 40) {
      console.log('fa');
    }
  }, 100);