Going Progressive with Ember

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GOING PROGRESSIVE WITH SAMANTA DE BARROS EMBERCONF 2017

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PROGRESSIVE WEB APP CARMELO, URUGUAY

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“Progressive Web Apps take advantage of new technologies to bring the best of mobile sites & native apps to users. They’re reliable, fast, and engaging. They originate from a secure origin and load regardless of network state.“ - Addy Osmani

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I HAVE A DREAM…

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PROGRESSIVE WEB APP? LA PEDRERA, URUGUAY

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LOOKS GOOD

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LOOKS GOOD INSTALLS ON DEVICE

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LOOKS GOOD INSTALLS ON DEVICE WORKS OFFLINE

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LOOKS GOOD INSTALLS ON DEVICE WORKS OFFLINE WORKS FAST

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PUNTA DEL ESTE, URUGUAY LOOKS GOOD?

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NATIVE VS WEB

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PUNTA DEL DIABLO, URUGUAY INSTALLS ON DEVICE?

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THE WEB APP MANIFEST

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BEFORE

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AFTER

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BEFORE

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AFTER

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ember-web-app Generates App Manifest and iOS tags from config file github: san650/ember-web-app

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config/manifest.js

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LOOKS GOOD INSTALLS ON DEVICE WORKS OFFLINE WORKS FAST

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WORKS OFFLINE? LA PEDRERA, URUGUAY

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THE SERVICE WORKER

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It’s a script Runs in the background Doesn't need a web page or user interaction

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SAVE ASSETS ON INSTALL EVENT

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SAVE ASSETS ON INSTALL EVENT INTERCEPT EVERY REQUEST

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SAVE ASSETS ON INSTALL EVENT INTERCEPT EVERY REQUEST BACKGROUND SYNC

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SAVE ASSETS ON INSTALL EVENT INTERCEPT EVERY REQUEST BACKGROUND SYNC PUSH NOTIFICATIONS

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SAVE ASSETS ON INSTALL EVENT INTERCEPT EVERY REQUEST BACKGROUND SYNC PUSH NOTIFICATIONS ALL YOU CAN DREAM OF

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ember-service-worker broccoli-serviceworker

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ember-service-worker Plugable approach Base addon just registers SW Add plugins for different cache strategies github: dockyard/ember-service-worker

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ember-service-worker ember-service-worker-index ember-service-worker-asset-cache ember-service-worker-cache-fallback

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broccoli-serviceworker Generates SW based on configuration Pre-caches app files by default github: jkleinsc/broccoli-serviceworker

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app/config/environment.js

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BEFORE

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AFTER

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Chrome 37.7% MOBILE BROWSER USAGE WORLDWIDE Safari 22.2% Firefox 0.1% IE 0.1% Samsung Internet 5.4% Opera 8.6% http://gs.statcounter.com/browser-market-share/mobile-tablet/worldwide/#monthly-201602-201702-bar

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MOBILE BROWSER USAGE Safari 55.9% Chrome 31.4% USA http://gs.statcounter.com/browser-market-share/mobile-tablet/united-states-of-america/#monthly-201602-201702-bar

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THE APPLICATION CACHE

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Generates appcache manifest with app resources Can be configured to ignore certain paths broccoli-manifest github: racido/broccoli-manifest

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app/config/environment.js

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USER DATA OFFLINE?

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LOCAL STORAGE

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LOCAL STORAGE WEBSQL

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LOCAL STORAGE WEBSQL INDEXED DB

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LOCAL STORAGE WEBSQL INDEXED DB LOCAL FORAGE (WRAPS ALL 3)

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ember-localstorage-adapter ember-localforage-adapter ember-pouch

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ember-localstorage-adapter Ember data adapter for local storage Local storage: key/value pair store, works with strings github: locks/ember-localstorage-adapter

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ember-localforage-adapter github: genkgo/ember-localforage-adapter Ember data adapter for local forage LocalForage: wrapper for indexedDb and WebSQL that falls back to local storage

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ember-pouch Ember Data for PouchDB/ CouchDB Saves data client side to IndexedDB or WebSQL Can sync to PouchDB github: nolanlawson/ember-pouch

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LOOKS GOOD INSTALLS ON DEVICE WORKS OFFLINE WORKS FAST

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DOES IT WORK FAST? MONTEVIDEO, URUGUAY

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NATIVE VS PWA

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FIRST PAGE RENDER

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ember-cli-fastboot Server side rendering Still beta github: ember-fastboot/ember-cli-fastboot

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SECOND PAGE RENDER

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Service Worker / App Cache

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TIME TO INTERACTION

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Allows composition of apps into a single app Lazy loading of engines ember-engines github: ember-engines/ember-engines