Sort a SASS list

_list-sort.scss

/// list-sort
/// Sort a SASS list
/// @param $list - A SASS list
/// @returns A sorted SASS list
/// @requires function list-remove
/// @author Jake Wilson <[email protected]>
@function list-sort($list) {
  $sortedlist: ();
  @while length($list) > 0 {
    $value: nth($list,1);
    @each $item in $list {
      @if $item < $value {
        $value: $item;
      }
    }
    $sortedlist: append($sortedlist, $value, 'space');
    $list: list-remove($list, index($list, $value));
  }
  @return $sortedlist;
}