mini-runner-test.js

const MiniRunner = require('mini-runner')
const argsLength = 1;
var onComplete = new MiniRunner('onComplete', argsLength);

const listenerObject = {
    onComplete: function(foo){console.log('aa', foo)}
}

const data = 'Hello runner'

//listenerObject needs to have a 'onComplete' function
onComplete.add(listenerObject);

//emit and all listeners will have their 'onComplete' functions called
onComplete.emit(data);