npm install path --save

const path = require("path");
function resolve(dir) {
 return path.join(__dirname, dir);
}

module.exports = {
 chainWebpack: config => {
  config.resolve.alias
   .set("@", resolve("src"))
   .set("assets", resolve("src/assets"))
   .set("components", resolve("src/components"))
   .set("base", resolve("baseConfig"))
   .set("public", resolve("public"));
 },
}

npm install uglifyjs-webpack-plugin --save

const UglifyJsPlugin = require("uglifyjs-webpack-plugin"); // 引入插件

module.exports = {
 configureWebpack: {
  optimization: {
   minimizer: [
    new UglifyJsPlugin({
     uglifyOptions: {
      compress: {
       warnings: false,
       drop_console: true, //console
       drop_debugger: false,
       pure_funcs: ["console.log"] //移除console
      }
     }
    })
   ]
  }
 },
}