submission 7

7.ts

var numberOutofBounds = (numbers: Array<string>) => {
  if (numbers.length > 10) {
    return true;
  }
  if (numbers.length <= 9) {
    return false;
  }
  //
  //2, 147, 483, 648;
  const bounds = {
    0: 2,
    1: 1,
    2: 4,
    3: 7,
    4: 4,
    5: 8,
    6: 3,
    7: 6,
    8: 5,
    9: 0
  };

  for (var i = 0; i < numbers.length; i++) {
    if (numbers[i] > bounds[i]) {
      return true;
    }
    if (numbers[i] < bounds[i]) {
      return false;
    }
  }

  return false;
};

var reverse = function(x: number) {
  console.log("number is", x);
  var numArray = `${x}`.split("");
  var negative = false;
  if (numArray[0] === "-") {
    negative = true;
    numArray = numArray.slice(1);
  }
  var reversedArray = numArray.reverse();
  if (numberOutofBounds(reversedArray)) {
    return 0;
  }
  if (negative) {
    return -Number(reversedArray.join(""));
  }
  return Number(reversedArray.join(""));
};

console.log(reverse(1563847412));