A new Angular Service Worker — creating automatic progressive web apps. Part 1: theory

Thursday, November 23, 2017

As a “UIs for the future” engineer I love to experiment with the newest versions of frameworks, libraries, APIs — everything connected with web front-end development. Angular and Progressive Web Apps separately work perfectly for me in that sense, because of constant development, updates, changes (sometimes the breaking ones), but their combination is a just explosive mixture.

Let’s explore the direction which Angular team took in their movement to progressive web apps. Recently released Angular 5 Release Candidate 0introduces a new Angular Service Worker (NGSW), and this is our main topic.

A bit of history first. The first concepts of Angular PWA were introduced in early 2016 and presented at Google IO’16 under “Mobile Toolkit” name. The corresponding website is still there, but the documentation is hopelessly outdated even for older/current version of NGSW (this is why I don’t give a link to it). As a Google Developer Expert working closely with the Angular team, I do my best to fix this lack of information. I present about Angular Service Worker at the dozens of the conferences including the main Angular event — ng-conf, give private and public workshops and maintain a “community-driven” documentation on the current (beta 16) version of @angular/service-worker. But the time has come to move further, and at all the next planned conferences this year (AngularMix, International JavaScript Conference, Angular Connect, SoCal Bootcamp, NG-BE), I’ll present/train about the newest NGSW which is the part of Angular 5.

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