text: /**
   * Given an array with heights, sort them except if the value is -1.
   *
   * @param {Array} arr
   * @return {Array}
   *
   * @example
   * arr = [-1, 150, 190, 170, -1, -1, 160, 180]
   *
   * The result should be [-1, 150, 160, 170, -1, -1, 180, 190]
   */
  function sortByHeight(/* arr */) {
    throw new Error('Not implemented');
    // const newArr = [];
    // const sortArr = arr.filter((item) => item !== -1).sort((a, b) => a - b);
    // for (let i = 0; i < arr.length; i++) {
    //   if (arr[i] === -1) {
    //     newArr.push(i);
    //   }
    // }
    // for (let j = 0; j < newArr; j++) {
    //   sortArr.splice(newArr[j], 0, -1);
    // }
    // return sortArr;
  }
  
  module.exports = sortByHeight;
  