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[theme-danix.xyz.git] / assets / sass / bourbon / bourbon / utilities / _compact-shorthand.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;
}