// 合并 map
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@function map-deep-merge($parent-map, $child-map){
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$result: $parent-map;
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@each $key, $child in $child-map {
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$parent-has-key: map-has-key($result, $key);
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$parent-value: map-get($result, $key);
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$parent-type: type-of($parent-value);
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$child-type: type-of($child);
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$parent-is-map: $parent-type == map;
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$child-is-map: $child-type == map;
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@if (not $parent-has-key) or ($parent-type != $child-type) or (not ($parent-is-map and $child-is-map)){
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$result: map-merge($result, ( $key: $child ));
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}@else {
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$result: map-merge($result, ( $key: map-deep-merge($parent-value, $child) ));
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}
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}
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@return $result;
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};
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