const { defineConfig } = require('@vue/cli-service')
const path = require('path')

const AutoImport = require('unplugin-auto-import/webpack')
const Components = require('unplugin-vue-components/webpack')
const { ElementPlusResolver, VantResolver } = require('unplugin-vue-components/resolvers')
const ElementPlus = require('unplugin-element-plus/webpack')
const CompressionPlugin = require('compression-webpack-plugin')
const Timestamp= new Date().getTime()

function resolve (dir) {
  return path.join(__dirname, dir)
}
module.exports = defineConfig({
  transpileDependencies: true,
  devServer: {
    proxy: { // 配置跨域
      '/api': {
        target: 'http://duanju.wenxingshuju.com',
        changeOrigin: true, // 允许跨域
        pathRewrite: {
          '^/api': '' // 请求的时候使用这个api就可以
        }
      }
    }
  },
  lintOnSave: false,
  publicPath: process.env.NODE_ENV === 'production' ? './' : '/',
  outputDir: 'dist',
  productionSourceMap: false,//打包不到.map文件
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    resolve: {
      alias: {
        '@': resolve('src')
      }
    },
    output: { // 输出重构  打包编译后的 文件名称
      filename: `js/[name].[hash].${Timestamp}.js`,
      chunkFilename: `js/[name].[hash].${Timestamp}.js`
    },
    plugins: [
      AutoImport({
        resolvers: [ElementPlusResolver()],
      }),
      Components({
        resolvers: [ElementPlusResolver(), VantResolver()],
      }),
      ElementPlus(),
      new CompressionPlugin({
        test: /\.js$|\.html$|\.css/, //匹配文件名
        threshold: 10240, //对超过10k的数据进行压缩
        deleteOriginalAssets: false //是否删除原文件
      }),
    ],
  },
})