const { defineConfig } = require('@vue/cli-service')
const AutoImport = require('unplugin-auto-import/webpack')
const Components = require('unplugin-vue-components/webpack')
const { ElementPlusResolver } = require('unplugin-vue-components/resolvers')
const path = require('path')
function resolve(dir) {
  return path.join(__dirname, dir)
}
const webpack = require('webpack')
module.exports = defineConfig({
  transpileDependencies: true,
  configureWebpack: {
    devServer: {
      proxy: {
        '^/api': {
          target: "http://127.0.0.1:9001/",
          changeOrigin: true,
          pathRewrite: {
            '^/api': ''
          }
        }
      }
    },
    resolve: {
      alias: {
        '@': resolve('src'),
        components: '@/components'
      }
    },
    plugins: [
      AutoImport({
        resolvers: [ElementPlusResolver()]
      }),
      Components({
        resolvers: [ElementPlusResolver()]
      })
    ]
  },
  chainWebpack(config) {
    // 设置 svg-sprite-loader
    // config 为 webpack 配置对象
    // config.module 表示创建一个具名规则，以后用来修改规则
    config.module
      // 规则
      .rule('svg')
      // 忽略
      .exclude.add(resolve('src/icons'))
      // 结束
      .end()
    // config.module 表示创建一个具名规则，以后用来修改规则
    config.module
      // 规则
      .rule('icons')
      // 正则，解析 .svg 格式文件
      .test(/\.svg$/)
      // 解析的文件
      .include.add(resolve('src/icons'))
      // 结束
      .end()
      // 新增了一个解析的loader
      .use('svg-sprite-loader')
      // 具体的loader
      .loader('svg-sprite-loader')
      // loader 的配置
      .options({
        symbolId: 'icon-[name]'
      })
      // 结束
      .end()
    config
      .plugin('ignore')
      .use(new webpack.ContextReplacementPlugin(/moment[/\\]locale$/, /zh-cn$/))
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()
  },
  css: {
    loaderOptions: {
      sass: {
        additionalData: (content, loaderContext) => {
          if (loaderContext.resourcePath.endsWith('variables.module.scss')) {
            return content
          }
          return `
          @import "~@/styles/variables.module.scss"; // scss文件地址
          @import "@/styles/mixin.scss";
          @import "@/styles/sidebar.scss";
          ${content}
        `
        }
      }
    }
  }
})