site-sdf/sass/bourbon/bourbon/utilities/_compact-shorthand.scss

43 lines
909 B
SCSS

@charset "UTF-8";
/// Transforms shorthand to its shortest possible form.
///
/// @argument {list} $values
/// List of directional values.
///
/// @example scss
/// $values: _compact-shorthand(10px 20px 10px 20px);
///
/// // Output
/// $values: 10px 20px;
///
/// @return {list}
///
/// @access private
@function _compact-shorthand($values) {
$output: null;
$a: nth($values, 1);
$b: if(length($values) < 2, $a, nth($values, 2));
$c: if(length($values) < 3, $a, nth($values, 3));
$d: if(length($values) < 2, $a, nth($values, if(length($values) < 4, 2, 4)));
@if $a == 0 { $a: 0; }
@if $b == 0 { $b: 0; }
@if $c == 0 { $c: 0; }
@if $d == 0 { $d: 0; }
@if $a == $b and $a == $c and $a == $d {
$output: $a;
} @else if $a == $c and $b == $d {
$output: $a $b;
} @else if $b == $d {
$output: $a $b $c;
} @else {
$output: $a $b $c $d;
}
@return $output;
}