Intermediate Exercism • typescript

Robot Name

Challenge Overview

Manage robot factory settings.

Source: Exercism typescript/robot-name

💡 View Solution

export class Robot {
  private static usedNames = new Set<string>();
  private _name: string = '';
  constructor() { this.resetName(); }
  public get name(): string { return this._name; }
  public resetName(): void {
    let name;
    do {
      name = this.gen();
    } while (Robot.usedNames.has(name));
    this._name = name;
    Robot.usedNames.add(name);
  }
  private gen(): string {
    const L = () => String.fromCharCode(65 + Math.floor(Math.random() * 26));
    const D = () => Math.floor(Math.random() * 10);
    return L() + L() + D() + D() + D();
  }
  public static releaseNames(): void { Robot.usedNames.clear(); }
}