datat.fi/_sass/basically-basic/vendor/susy/su/_utilities.scss

112 lines
1.9 KiB
SCSS

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