import { PluginOption, defineConfig } from 'vite'
import path, { resolve } from 'path'
import vue from '@vitejs/plugin-vue'
// 引入 Rollup Plugin Visualizer 打包可视化工具
import { visualizer } from 'rollup-plugin-visualizer'

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [vue(), visualizer() as PluginOption],
  /* src 别名为 @ */
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
  css: {
    preprocessorOptions: {
      less: {
        javascriptEnabled: true,
        additionalData: `@import "${resolve(
          __dirname,
          './src/styles/theme/theme.less'
        )}";`,
      },
    },
  },
})