fibonacci.ts

class Fibonacci {
  /**
   * @param {number} value
   * @returns {number}
   */
  sequence (value) {
    return (value < 2) ? value : this.sequence(value - 1) + this.sequence(value - 2)
  }

  /**
   * @param {number} times
   * @returns {Array<number>}
   */
  run (times) {
    return [ ...Array(times).keys() ].map(key => this.sequence(key))
  }
}

console.log(new Fibonacci().run(40))