Webpack production build fails with UglifyJS error build failed

[GoodLuckIce]

Steps to reproduce

$ vue init webpack test

Complete steps. (Using standalone build and npm.)

$ cd test
$ npm install -S vue-pdf

Add
import pdf from 'vue-pdf'
to src/main.js

Build with minimization enabled
$ ./node_modules/.bin/webpack -p --config build/webpack.prod.conf.js

Observe UglifyJS error:

ERROR in static/js/app.820627baa05d51e0b5e2.js from UglifyJs
Unexpected token: keyword (const) [static/js/app.820627baa05d51e0b5e2.js:19624,3]

[FranckFreiburger]

Can you try to switch from uglifyjs (uglify-es) to terser ?
Terser has a better support of ES6+ and also has its webpack plugin

[carlos00027]

todavia tengo este error no se que hacer ayuda!!!