anKeYuan-largeScreen-1080/vue.config.js

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

module.exports = defineConfig({
  transpileDependencies: true,
  lintOnSave: false,
  productionSourceMap: false,

  devServer: {
    port: 8080,
    open: true,
    proxy: {
      '/auth': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: { '^/auth': '/auth' }
      },
      '/laboratory': {
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
        pathRewrite: { '^/laboratory': '/laboratory' }
      }
    }
  },

  css: {
    loaderOptions: {
      sass: {
        additionalData: `@import "@/styles/variables.scss";`
      }
    }
  },

  chainWebpack(config) {
    // 页面标题
    config.plugin('html').tap(args => {
      args[0].title = process.env.VUE_APP_TITLE || '实验室安全智慧化管控中心'
      return args
    })
  },

  configureWebpack: {
    optimization: {
      splitChunks: {
        chunks: 'all',
        cacheGroups: {
          // Vue 全家桶
          vue: {
            name: 'chunk-vue',
            test: /[\\/]node_modules[\\/](vue|vue-router|vuex)[\\/]/,
            priority: 30
          },
          // ECharts 单独拆包（体积最大）
          echarts: {
            name: 'chunk-echarts',
            test: /[\\/]node_modules[\\/](echarts|zrender)[\\/]/,
            priority: 25
          },
          // Element UI
          elementUI: {
            name: 'chunk-element-ui',
            test: /[\\/]node_modules[\\/]element-ui[\\/]/,
            priority: 20
          },
          // 其余第三方
          vendors: {
            name: 'chunk-vendors',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            reuseExistingChunk: true
          }
        }
      }
    }
  }
})