// Chunks $list into $size large lists
// -------------------------------------------------------------------------------
// @documentation http://sassylists.com/documentation/#chunk
// -------------------------------------------------------------------------------
// @example chunk(a b c d e, 2) => a b, c d, e
// @example chunk(a b c d e, 3) => a b c, d e
// -------------------------------------------------------------------------------
// @param $list [List] : list
// @param $size [Number] : length of lists
// -------------------------------------------------------------------------------
// @return [List]

@function chunk($list, $size) {
    @if $size >= length($list) {
        @return $list;
    }

    $index: 1;
    $result: ();

    @for $i from 1 through ceil(length($list) / $size) {
        $tmp: ();

        @for $j from 1 through $size {

            @if $index <= length($list) {

                $is-orphan: length($list) % $size == 1 and $j == 1;
                $tmp: if($is-orphan, nth($list, $index), append($tmp, nth($list, $index)));

            }
      
            $index: $index + 1;
        }

        $result: append($result, $tmp);
    }

    @return $result;
}