/// Return whether the first version is greater than the second
/// @param {String} $v1
/// @param {String} $v2
/// @return {Boolean}
/// @example scss
///   $gt: gt('1.2.3', '3.2.1');
///   -> false
///   $gt: gt('1.2.3', '1.2.3');
///   -> false
///   $gt: gt('1.2.3', '0.1.2');
///   -> true
@function gt($v1, $v2) {
  @if eq($v1, $v2) {
    $pre-v1: _prerelease($v1);
    $pre-v2: _prerelease($v2);

    @return (
      (map-get($pre-v1, 'name') != map-get($pre-v2, 'name')) or
      (map-get($pre-v1, 'number') == -1 and map-get($pre-v2, 'number') != -1) or
      map-get($pre-v1, 'number') > map-get($pre-v2, 'number')
    );
  }

  $major-v1: major($v1);
  $major-v2: major($v2);
  $minor-v1: minor($v1);
  $minor-v2: minor($v2);
  $patch-v1: patch($v1);
  $patch-v2: patch($v2);

  @return ($major-v1 > $major-v2)
    or ($major-v1 == $major-v2 and $minor-v1 > $minor-v2)
    or ($major-v1 == $major-v2 and $minor-v1 == $minor-v2 and $patch-v1 > $patch-v2);
}