npm i -D uglifyjs-webpack-plugin

const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
module.exports = {
 configureWebpack: {
  plugins: [
   new UglifyJsPlugin({
    uglifyOptions: {
     compress: {
      drop_console: true,
     },
    },
   }),
  ],
 },
 devServer: {
  proxy: {
   '/xxx': {
    target: 'http://192.168.150.17:8080/',
    changeOrigin: true,
    ws: true,
    pathRewrite: {
     '^/xxx': 'xxx',
    },
   },
  },
 },
 publicPath: './',
}

const UglifyJsPlugin = require('uglifyjs-webpack-plugin')

const config = {
 devServer: {
  proxy: {
   '/xxx': {
    target: 'http://192.168.150.17:8080/',
    changeOrigin: true,
    ws: true,
    pathRewrite: {
     '^/xxx': 'xxx',
    },
   },
  },
 },
 publicPath: './',
}

if (process.env.NODE_ENV === 'production') {
 config.configureWebpack = {
  plugins: [
   new UglifyJsPlugin({
    uglifyOptions: {
     compress: {
      drop_console: true,
     },
    },
   }),
  ],
 }
}

module.exports = config

warnings: false,
drop_console: true,
drop_debugger: true,
pure_funcs: ['console.log']