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[SASS] Position mixin
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// миксин для сокращенной записи позиции блоков | |
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
// миксин принимает до 3 аргументов: | |
// - position (relative, static, fixed, absolute) - не обязательный аргумент | |
// - coordinates (положительные и отрицательные числа, none) - обязательно | |
// - z-index (положительные и отрицательные числа) - не обязательный аргумент | |
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
// пример использования: | |
// @include position(absolute, 32 auto 5 4); | |
// @include position(32 auto 5 4, 34); | |
// @include position(fixed, 0 auto none 4, 23); | |
// @include position(static, 23 auto 5 4); | |
//- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
@mixin position ($position: relative, $coordinates: 0 0 0 0, $z-index: none) { | |
@if type-of($position) == list { | |
$z-index: $coordinates; | |
$coordinates: $position; | |
$position: none; | |
} | |
@if type-of($z-index) == list { | |
$z-index: none; | |
} | |
$top: nth($coordinates, 1); | |
$right: nth($coordinates, 2); | |
$bottom: nth($coordinates, 3); | |
$left: nth($coordinates, 4); | |
@if $position == none { | |
} @else { | |
position: $position; | |
} | |
@if $z-index == none {} | |
@else { | |
z-index: $z-index; | |
} | |
@if $top == auto { | |
top: $top; | |
} | |
@else if $top == 0{ | |
top: $top; | |
} | |
@else if $top == none{} | |
@else{ | |
top: $top + px; | |
} | |
@if $right == auto { | |
right: $right; | |
} | |
@else if $right == 0{ | |
right: $right; | |
} | |
@else if $right == none{} | |
@else if { | |
right: $right + px; | |
} | |
@if $bottom == auto { | |
bottom: $bottom; | |
} | |
@else if $bottom == 0{ | |
bottom: $bottom; | |
} | |
@else if $bottom == none{} | |
@else if { | |
bottom: $bottom + px; | |
} | |
@if $left == auto { | |
left: $left; | |
} | |
@else if $left == 0{ | |
left: $left; | |
} | |
@else if $left == none{} | |
@else if { | |
left: $left + px; | |
} | |
} | |
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