Simple and easy tool to beatify your code to display it as image.

from:

module.exports = leftpad;

function leftpad(str, len, ch) {
  str = String(str);
  var i = -1;

  if (!ch && ch !== 0) ch = ' ';

  len = len - str.length;

  while (i++ < len) {
    str = ch + str;
  }
  return str;
}

to:

pretty nice!