//es6 module
import repeat from 'delay-repeater';
//or CommonJS require style
const repeat = require('delay-repeater').default;

const fn = () => {
  console.log('ipsum');
}
const times = 3;
const interval = 3000; // 3 seconds
repeat(fn, times, interval);

//or with an error first callback
const done = (e) => {
  if (e) {
    return console.log(e);
  }
  console.log('3 times execution finished');
}
repeat(fn, times, interval, done);