import { defineConfig, loadEnv } from 'vite'
import vue from '@vitejs/plugin-vue'
import { lazyImport, VxeResolver } from 'vite-plugin-lazy-import'
import legacy from '@vitejs/plugin-legacy'
import path from 'path'
import { visualizer } from 'rollup-plugin-visualizer'

// https://vite.dev/config/
export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd())
  console.log('当前环境:', mode)
  console.log('当前环境变量:', env)
  return {
    esbuild: {
      supported: {
        bigint: true
      },
      treeShaking: true
    },
    plugins: [
      vue(),
      visualizer({
        open: true, // 打包完成后自动展示
        gzipSize: true, // 显示gzip压缩后的大小
        brotliSize: true // 显示brotli压缩后的大小
      }),
      legacy({
        targets: ['defaults', 'not IE 11', 'chrome >=73'],
        modernPolyfills: true
      }),
      lazyImport({
        resolvers: [
          VxeResolver({
            libraryName: 'vxe-table'
          }),
          VxeResolver({
            libraryName: 'vxe-pc-ui'
          })
        ]
      })
    ],
    resolve: {
      alias: {
        '@': path.resolve(__dirname, './src')
      }
    },
    base: process.env.NODE_ENV === 'production' ? './' : '/',
    build: {
      sourcemap: false, // 关闭 sourcemap
      minify: 'terser',
      terserOptions: {
        compress: {
          drop_console: true, // 生产环境去除console
          drop_debugger: true // 生产环境去除 debugger
        }
      },
      rollupOptions: {
        output: {
          manualChunks: {
            echarts: ['echarts'],
            xlsx: ['xlsx'],
            lodash: ['lodash'],
            vue: ['vue', 'vue-router', 'pinia'],
            elementPlus: ['element-plus']
          }
        }
      }
    }
  }
})