Tomasz Żdanuk wrote a nice tutorial on how to use PWA plugin with Vue CLI 3. This article is step-by-step guide.

vuejs

First of all, what’s the PWA? Progressive Web Apps is a concept which improves user experiences in web applications, by making them reliable, fast and engaging, according to Google Developers PWA description

Tutorial link

https://naturaily.com/blog/pwa-vue-cli-3