vue.config.js webpack4.x删除控制台打印

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

configureWebpack：{
  optimization: {
      minimizer: [
        new UglifyJsPlugin({
          uglifyOptions: {
            // 删除注释
            output:{
              comments:false
            },
            // 删除console debugger 删除警告
            compress: {
              warnings: false,
              drop_console: true,//console
              drop_debugger: false,
              pure_funcs: ['console.log']//移除console
            }
          }
        })
      ]
    } 
}