/* eslint no-constant-condition: 0 */
/**
 * Obliterator Take Function
 * ==========================
 *
 * Function taking n or every value of the given iterator and returns them
 * into an array.
 */

/**
 * Take.
 *
 * @param  {Iterator} iterator - Target iterator.
 * @param  {number}   [n]      - Optional number of items to take.
 * @return {array}
 */
module.exports = function take(iterator, n) {
  var l = arguments.length > 1 ? n : Infinity,
      array = l !== Infinity ? new Array(l) : [],
      step,
      i = 0;

  while (true) {

    if (i === l)
      return array;

    step = iterator.next();

    if (step.done) {

      if (i !== n)
        return array.slice(0, i);

      return array;
    }

    array[i++] = step.value;
  }
};