ClosestElevator.js

/**
 * Description:
 * Given 2 elevators (named "left" and "right") in a
 * building with 3 floors (numbered 0 to 2),
 * write a function elevator accepting 3 arguments (in order):
 *
 * left - The current floor of the left elevator
 * right - The current floor of the right elevator
 * call - The floor that called an elevator
 *
 * It should return the name of the elevator
 * closest to the called floor ("left"/"right").
 *
 * In the case where both elevators are
 * equally distant from the called floor, choose
 * the elevator to the right.
 *
 * You can assume that the inputs will always be valid integers between 0-2.
 *
 * Examples:
 *
 * elevator(0, 1, 0); // => "left"
 * elevator(0, 1, 1); // => "right"
 * elevator(0, 1, 2); // => "right"
 * elevator(0, 0, 0); // => "right"
 * elevator(0, 2, 1); // => "right"
 *
 * Kata URL: https://www.codewars.com/kata/5c374b346a5d0f77af500a5a
 *
 *
 * @param {*} left
 * @param {*} right
 * @param {*} call
 * @returns
 */

function elevator(left, right, call) {
  // code on! :)
  let result;
  if (left === call || right === call) {
    if (right === call) {
      result = "right";
    } else {
      result = "left";
    }
  }

  if (Math.abs(call - left) < Math.abs(call - right)) {
    result = "left";
  }
  if (Math.abs(call - right) < Math.abs(call - left)) {
    result = "right";
  }
  if (Math.abs(call - right) === Math.abs(call - left)) {
    result = "right";
  }

  return result;
}