112 lines
1.9 KiB
SCSS
112 lines
1.9 KiB
SCSS
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// Map Functions
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// =============
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// Truncate List
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// -------------
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// - Return a list, truncated to a given length
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@function _susy-truncate-list(
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$list,
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$length
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) {
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$_return: ();
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@for $i from 1 through length($list) {
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$_return: if($i <= $length, append($_return, nth($list, $i)), $_return);
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}
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@return $_return;
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}
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// Deep Get
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// --------
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// - Return a value deep in nested maps
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@function _susy-deep-get(
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$map,
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$keys...
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) {
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$_return: $map;
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@each $key in $keys {
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@if type-of($_return) == map {
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$_return: map-get($_return, $key);
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}
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}
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@return $_return;
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}
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// Deep Set
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// --------
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// - Set a value deep in nested maps
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@function _susy-deep-set(
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$map,
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$keys-value...
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) {
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$_value: nth($keys-value, -1);
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$_keys: _susy-truncate-list($keys-value, length($keys-value) - 1);
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$_length: length($_keys);
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$_return: ();
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@for $i from 1 through $_length {
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$_n: 0 - $i;
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$_level: _susy-truncate-list($_keys, $_length + $_n);
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$_level: _susy-deep-get($map, $_level...);
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$_merge: nth($_keys, $_n);
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$_merge: ($_merge: $_value);
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$_return: if($_level, map-merge($_level, $_merge), $_merge);
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$_value: $_return;
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}
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@return $_return;
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}
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// Deep Merge
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// ----------
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// Return 2 objects of any depth, merged
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@function _susy-deep-merge(
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$map1,
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$map2
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) {
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@if type-of($map1) != map or type-of($map2) != map {
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$map1: $map2;
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} @else {
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@each $key, $value in $map2 {
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$_new: ($key: _susy_deep-merge(map-get($map1, $key), $value));
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$map1: map-merge($map1, $_new);
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}
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}
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@return $map1;
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}
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// Deep Has-Key
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// ------------
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// - Return true if a deep key exists
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@function _susy-deep-has-key(
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$map,
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$keys...
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) {
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$_return: null;
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$_stop: false;
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@each $key in $keys {
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@if not($_stop) {
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$_return: map-has-key($map, $key);
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}
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@if $_return {
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$map: map-get($map, $key);
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} @else {
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$_stop: true;
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}
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}
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@return $_return;
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}
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