Progressive Web Apps

• src <-
• gives the basic highlights
  • read "Why we need PWAs and what are their features?" section for tl;dr
• DemoTime: Fidget Spinner –> F12 goto 'Applications' tab

• src <-
• need manifest.json, service worker with offline capabilities
• to trigger install-prompt in chrome - need to have some kind of initial engagment with the app

• UX Perspective

• src <-
• this is an old post so nothing to worry about in the short term, but the PWA ecosystem is highly dependent on gatekeepers
• gatekeepers make the rules and set prescribed tech through the manifest.json approval process
• potential for support for systems tech to be dropped - large tech debt to overcome

Service Workers

Because the service worker is not blocking (it's designed to be fully asynchronous) synchronous XHR and localStorage cannot be used in a service worker.