utils.ts

/**
 * @param {string} array Array
 * @param {string} n  Number of values that needs to be returned from Array
 * @returns return new Array with the size n
 */
export function lastNMembers(array, n) {
  if (array == null) {
    return void 0;
  }
  if (n == null) {
    return array[array.length - 1];
  }
  return array.slice(Math.max(array.length - n, 0));
}

/**
 * @param {string} value  The target for wrapper
 * @returns Create html wrapper for moving average for displaying big number
 */
export function containerClassBig(value: string): string {
  return `<span class="big">${value}</span>`;
}