32 lines
792 B
SCSS
32 lines
792 B
SCSS
// Foundation for Sites by ZURB
|
|
// foundation.zurb.com
|
|
// Licensed under MIT Open Source
|
|
|
|
////
|
|
/// @group functions
|
|
////
|
|
|
|
/// Returns the opposite direction of $dir
|
|
///
|
|
/// @param {Keyword} $dir - Used direction between "top", "right", "bottom" and "left".
|
|
/// @return {Keyword} Opposite direction of $dir
|
|
@function direction-opposite(
|
|
$dir
|
|
) {
|
|
$dirs: (top, right, bottom, left);
|
|
$place: index($dirs, $dir);
|
|
|
|
@if $place == null {
|
|
@error 'direction-opposite: Invalid $dir parameter, expected a value from "#{$dirs}", found "#{$dir}".';
|
|
@return null;
|
|
}
|
|
|
|
// Calculate the opposite place in a circle, with a starting index of 1
|
|
$length: length($dirs);
|
|
$demi: $length / 2;
|
|
$opposite-place: (($place + $demi - 1) % $length) + 1;
|
|
|
|
@return nth($dirs, $opposite-place);
|
|
}
|
|
|