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_bem.scss
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35 lines (32 loc) · 745 Bytes
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$bem_separator_element: '__';
$bem_separator_modifier: '--';
@mixin block($bem_item) {
.#{$bem_item} {
@content;
}
}
@mixin element($bem_item) {
$bem_parent: &;
$bem_is_parent: str-index('#{$bem_parent}', '#{$bem_separator_modifier}');
@if $bem_is_parent != null {
$bem_parent_without_modifier: str-slice(#{$bem_parent}, 0, $bem_is_parent - 1);
#{$bem_parent_without_modifier}#{$bem_separator_element}#{$bem_item} {
@content;
}
} @else {
@at-root {
#{&}#{$bem_separator_element}#{$bem_item} {
@content;
}
}
}
}
@mixin modifier($bem_item) {
$bem_parent: &;
@at-root {
#{&}#{$bem_separator_modifier}#{$bem_item} {
@content;
@extend #{$bem_parent};
}
}
}