const coffeeMachine = require('coffee-machine');
const tired = sleepyEyes(e);
const hours = (new Date()).getHours();

self.Energy = class Energy {
  constructor(energy) {
    this.energy = energy;
  }
}

export class Coffee extends Energy {
  constructor(energy, caffeine) {
    super(energy);
    this.caffeine = caffeine;
  }
}

class Code {
  constructor(lines) {
    this.lines = lines;
  }
  present() {
    return this.lines;
  }
}

if (tired && hours >= 09 && hours <= 22) {
  try {
    const coffee = coffeeMachine.get('coffee');
    const code = new Code(345);
  } catch (err) {
    throw 'You cannot even get the coffee right, damn!';
  }
} else {
  tired.sleep('bed');
}