refusedBequest.ts

// From Rachel M. Carmena's https://github.com/rachelcarmena/code-smells

class CoolStack<T> extends Array {

  push(...items: T[]): number {
    return super.push(...items);
  }

  public pop(): T {
    return super.pop();
  }
}

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------

class CoolStack<T> {
  private readonly elements: T[];

  constructor() {
    this.elements = new Array<T>();
  }

  push(...items: T[]): number {
    this.elements.push(...items);
    return this.elements.length;
  }

  pop(): T {
    const element = this.elements[this.elements.length-1];
    this.elements.pop();
    return element;
  }
}