108 lines
3 KiB
SCSS
108 lines
3 KiB
SCSS
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// Foundation for Sites by ZURB
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// foundation.zurb.com
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// Licensed under MIT Open Source
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////
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/// @group functions
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////
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/// Determine if a value is not falsey, in CSS terms. Falsey values are `null`, `none`, `0` with any unit, or an empty list.
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///
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/// @param {Mixed} $val - Value to check.
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///
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/// @returns {Boolean} `true` if `$val` is not falsey.
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@function has-value($val) {
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@if $val == null or $val == none {
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@return false;
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}
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@if type-of($val) == 'number' and strip-unit($val) == 0 {
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@return false;
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}
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@if type-of($val) == 'list' and length($val) == 0 {
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@return false;
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}
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@return true;
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}
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/// Determine a top/right/bottom/right value on a padding, margin, etc. property, no matter how many values were passed in. Use this function if you need to know the specific side of a value, but don't know if the value is using a shorthand format.
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///
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/// @param {List|Number} $val - Value to analyze. Should be a shorthand sizing property, e.g. "1em 2em 1em"
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/// @param {Keyword} $side - Side to return. Should be `top`, `right`, `bottom`, or `left`.
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///
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/// @returns {Number} A single value based on `$val` and `$side`.
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@function get-side($val, $side) {
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$length: length($val);
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@if $length == 1 {
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@return $val;
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}
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@if $length == 2 {
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@return map-get((
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top: nth($val, 1),
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bottom: nth($val, 1),
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left: nth($val, 2),
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right: nth($val, 2),
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), $side);
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}
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@if $length == 3 {
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@return map-get((
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top: nth($val, 1),
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left: nth($val, 2),
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right: nth($val, 2),
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bottom: nth($val, 3),
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), $side);
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}
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@if $length == 4 {
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@return map-get((
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top: nth($val, 1),
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right: nth($val, 2),
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bottom: nth($val, 3),
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left: nth($val, 4),
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), $side);
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}
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}
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/// Given border $val, find a specific element of the border, which is $elem. The possible values for $elem are width, style, and color.
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///
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/// @param {List} $val - Border value to find a value in.
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/// @param {Keyword} $elem - Border component to extract.
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///
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/// @returns {Mixed} If the value exists, returns the value. If the value is not in the border definition, the function will return a 0px width, solid style, or black border.
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@function get-border-value($val, $elem) {
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// Find the width, style, or color and return it
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@each $v in $val {
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$type: type-of($v);
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@if $elem == width and $type == 'number' {
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@return $v;
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}
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@if $elem == style and $type == 'string' {
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@return $v;
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}
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@if $elem == color and $type == 'color' {
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@return $v;
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}
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}
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// Defaults
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$defaults: (
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width: 0,
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style: solid,
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color: #000,
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);
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@return map-get($defaults, $elem);
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}
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/// Finds a value in a nested map.
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/// @link https://css-tricks.com/snippets/sass/deep-getset-maps/ Deep Get/Set in Maps
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///
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/// @param {Map} $map - Map to pull a value from.
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/// @param {String} $keys... - Keys to use when looking for a value.
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/// @returns {Mixed} The value found in the map.
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@function map-deep-get($map, $keys...) {
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@each $key in $keys {
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$map: map-get($map, $key);
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}
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@return $map;
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}
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