text: import { NotImplementedError } from "../extensions/index.js";
  
  /**
   * 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]
   */
  export default function sortByHeight(arr) {
    let preArr = arr.filter((el) => el != -1).sort((a, b) => a - b);
    let finishArr = arr.map((el) => {
      if (el != -1) {
        return preArr.shift();
      } else {
        return -1;
      }
    });
    return finishArr;
  }
  