md/vite.config.ts

import path from 'node:path'
import process from 'node:process'

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import UnoCSS from 'unocss/vite'
import vueDevTools from 'vite-plugin-vue-devtools'
import { nodePolyfills } from 'vite-plugin-node-polyfills'

// https://vitejs.dev/config/
export default defineConfig({
  base: process.env.SERVER_ENV === `NETLIFY` ? `/` : `/md/`, // 基本路径, 建议以绝对路径跟随访问目录
  define: {
    process,
  },
  plugins: [
    vue(),
    UnoCSS(),
    vueDevTools(),
    nodePolyfills({
      include: [`path`, `util`, `timers`, `stream`, `fs`],
      overrides: {
        // Since `fs` is not supported in browsers, we can use the `memfs` package to polyfill it.
        // fs: 'memfs',
      },
    }),
  ],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, `./src`),
    },
  },
  css: {
    devSourcemap: true,
  },
},
)