[plugin:vite:css] [sass] Undefined mixin.

前言： vite + vue3 + TypeScript环境

scss报错： [plugin:vite:css] [sass] Undefined mixin.

解决方案： 

在vite.config.ts文件添加配置

css: {preprocessorOptions: {// 导入scss预编译程序scss: {additionalData: `@use "@/resources/_handle.scss" as *;`,},}},