const path = require('path')
 alias: {
  "@": path.resolve(__dirname, "src"),
  "@c": path.resolve(__dirname, "src/components")
 },

"dev:test": "vite --mode test",

import.meta.env

npm i vue-router@4.0.2 --save,安装4.0版本

import {createRouter, createWebHashHistory, RouteRecordRaw} From 'vue-router'
// @ts-ignore
const test = () => import('../views/test1.vue')
const routes: Array<RouteRecordRaw> = [
  {path: "/", redirect: "/test1"},
  {
    path: "/test1",
    name: 'test1',
    component: test,
  }
]
const router = createRouter({
  history: createWebHashHistory(),
  routes: routes
})

export default router

import router from "./router"
createApp(App)
  .use(router)
  .mount('#app')

npm i vuex@index -D

import { createStore } from 'vuex'

export default createStore({
 state: {
 },
 //...
})

import store from './store'

createApp(App)
  .use(store)
  .mount('#app')

css: {
  preprocessorOptions: {
   scss: {
    additionalData: `@import "./src/assets/scss/global.scss";`//你的scss文件路径
   }
  }
 },