Link
Embed
Share
Beginning
This slide
Copy link URL
Copy link URL
Copy iframe embed code
Copy iframe embed code
Copy javascript embed code
Copy javascript embed code
Share
Tweet
Share
Tweet
Slide 1
Slide 1 text
AN INTRODUCTION TO SERVICE WORKERS
Slide 2
Slide 2 text
Phil Nash @philnash http:/ /philna.sh
[email protected]
Slide 3
Slide 3 text
AN INTRODUCTION TO SERVICE WORKERS
Slide 4
Slide 4 text
SERVICE WORKERS ARE SCRIPTS THAT INTERCEPT NETWORK REQUESTS
Slide 5
Slide 5 text
SO WEB DEVELOPERS CAN TREAT THE NETWORK AS AN ENHANCEMENT
Slide 6
Slide 6 text
AND PROVIDE OFFLINE EXPERIENCES FOR USERS OF WEB APPLICATIONS
Slide 7
Slide 7 text
A SLIGHTLY LONGER INTRODUCTION TO SERVICE WORKERS
Slide 8
Slide 8 text
XMLHttpRequest
Slide 9
Slide 9 text
IN THE FUTURE WE WILL WONDER HOW WE COPED WITHOUT SERVICE WORKERS
Slide 10
Slide 10 text
THE BIRTH OF THE SERVICE WORKER
Slide 11
Slide 11 text
The Application Cache CACHE MANIFEST # Version 7 CACHE: # Stylesheets /style/app.css # JavaScripts /js/app.js 01. 02. 03. 04. 05. 06. 07. 08.
Slide 12
Slide 12 text
“THE APPLICATION CACHE IS A DOUCHEBAG”
Slide 13
Slide 13 text
The Spec https:/ /w3c.github.io/ServiceWorker/
Slide 14
Slide 14 text
Browsers 40 27 44 4
Slide 15
Slide 15 text
The other browsers? preview 17 beta iOS 11.3 macOS 10.13.4
Slide 16
Slide 16 text
SO WHAT DOES IT REALLY DO?
Slide 17
Slide 17 text
Install it navigator.serviceWorker.register("/sw.js");
Slide 18
Slide 18 text
Install it navigator.serviceWorker.register("/sw.js", { scope: "/admin" }); 01. 02. 03.
Slide 19
Slide 19 text
Install it navigator.serviceWorker.register("/sw.js").then(function(){ console.log(" "); }).catch(function(){ console.log(" "); }); 01. 02. 03. 04. 05.
Slide 20
Slide 20 text
It intercepts network requests // sw.js self.addEventListener("fetch", function(event) { // do something }); 01. 02. 03. 04.
Slide 21
Slide 21 text
IT'S A PROXY THAT YOU CONTROL
Slide 22
Slide 22 text
SECURITY?
Slide 23
Slide 23 text
HTTPS
Slide 24
Slide 24 text
LOCALHOST
Slide 25
Slide 25 text
DEMO
Slide 26
Slide 26 text
WHY?
Slide 27
Slide 27 text
WEB VS NATIVE
Slide 28
Slide 28 text
Native Web Online by default Offline by default Discoverable on the web App store installation
Slide 29
Slide 29 text
Native Web Offline first Offline by default Discoverable on the web App store installation
Slide 30
Slide 30 text
DON'T CARE FOR OFFLINE?
Slide 31
Slide 31 text
PERFORMANCE
Slide 32
Slide 32 text
FALLBACKS
Slide 33
Slide 33 text
No content
Slide 34
Slide 34 text
PUSH NOTIFICATIONS
Slide 35
Slide 35 text
DEMO
Slide 36
Slide 36 text
Browsers 42 44 37 4 preview 17
Slide 37
Slide 37 text
WITH GREAT POWER…
Slide 38
Slide 38 text
BACKGROUND SYNC
Slide 39
Slide 39 text
DEMO
Slide 40
Slide 40 text
Browsers 49 5.4
Slide 41
Slide 41 text
PROGRESSIVE WEB APPS
Slide 42
Slide 42 text
Progressive Web Apps • Service Worker (+ HTTPS) • manifest.json • User engagement
Slide 43
Slide 43 text
APP INSTALL BANNERS
Slide 44
Slide 44 text
No content
Slide 45
Slide 45 text
ICON ON HOMESCREEN
Slide 46
Slide 46 text
...
Slide 47
Slide 47 text
$$ PROFIT! $$
Slide 48
Slide 48 text
SERVICE WORKERS
Slide 49
Slide 49 text
SERVICE WORKERS ARE SCRIPTS THAT INTERCEPT NETWORK REQUESTS
Slide 50
Slide 50 text
SO WEB DEVELOPERS CAN TREAT THE NETWORK AS AN ENHANCEMENT
Slide 51
Slide 51 text
AND PROVIDE OFFLINE EXPERIENCES FOR USERS OF WEB APPLICATIONS
Slide 52
Slide 52 text
AND PROVIDE OFFLINE EXPERIENCES FOR USERS OF WEB APPLICATIONS
Slide 53
Slide 53 text
AND PROVIDE BETTER EXPERIENCES FOR USERS OF WEB APPLICATIONS
Slide 54
Slide 54 text
IN THE FUTURE WE WILL WONDER HOW WE COPED WITHOUT SERVICE WORKERS
Slide 55
Slide 55 text
AND IF YOU'RE NOT YET CONVINCED...
Slide 56
Slide 56 text
No content
Slide 57
Slide 57 text
THANKS!
Slide 58
Slide 58 text
Thanks! @philnash http:/ /philna.sh
[email protected]