Beginner Exercism • javascript

Robot Name

Challenge Overview

Manage robot factory settings.

Source: Exercism javascript/robot-name

💡 View Solution

const usedNames = new Set();
const generateName = () => {
  const letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
  const digits = '0123456789';
  let name;
  do {
    name = letters[Math.floor(Math.random() * 26)] +
           letters[Math.floor(Math.random() * 26)] +
           digits[Math.floor(Math.random() * 10)] +
           digits[Math.floor(Math.random() * 10)] +
           digits[Math.floor(Math.random() * 10)];
  } while (usedNames.has(name));
  usedNames.add(name);
  return name;
};

export class Robot {
  constructor() {
    this._name = generateName();
  }
  get name() { return this._name; }
  reset() { this._name = generateName(); }
  static releaseNames() { usedNames.clear(); }
}