mixin-include

/src/assets/css/com.scss

@mixin text-border($color:#000,$width:2px) {
  position: relative;
  &::before {
    content: attr(data-text);
    position: absolute;
    z-index: -1;
    -webkit-text-stroke: $width $color;
  }
}

xxxx.vue

<style scoped lang="scss">
@import "@/assets/css/com.scss";
.aaa{
   @include text-border();
}
</style>