$typeset: 'card' $exercise-type: 'Choise' &[style] display: block > div.shade-btn display: flex > div display: flex position: absolute top: -26px z-index: 3 > span height: 26px padding: 3px 5px cursor: pointer @if(&exercise-type == 'Choise') font-size: 12px !important @else font-size: 14px !important 这是我写的，我想通过判断 span 的上上级的 div 的 typeset 和 exercise-type 属性来设置 span 标签的字体大小，但是按照我这么写的话他不管属性对不对字号都是 12，想问问大佬们这个该怎么写啊，我这个是第一次接触 sass
 | 1 catoncat Aug 18, 2021 ```sass @use "sass:selector" @mixin if-root-is($selector) $current-sequences: & //.p .c $result: () @each $sequence in $current-sequences // [.p, .c] $current: nth($sequence, -1) // .c $root: nth($sequence, 1) // .p $unify-root: selector.unify($root, $selector) // .p.x $result: append($unify-root, $current) @at-root #{$result} @content .p .c color: red @include if-root-is('.p12') color: green ``` |
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