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WebApps Offline com ServiceWorkers
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Joselito
January 13, 2016
Programming
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WebApps Offline com ServiceWorkers
Hangout - GDG BH
Joselito
January 13, 2016
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Transcript
JOSELITO.NINJA WEB APPS OFFLINE Hangout - GDG Belo Horizonte
@joselitojunior1
MOBILE @joselitojunior1
NATIVO v WEB @joselitojunior1
NATIVO v WEB @joselitojunior1
@joselitojunior1
@joselitojunior1 PROGRESIVE APPS
@joselitojunior1 PROGRESIVE APPS offline first responsive fresh content https safe
indexable installable linkable engageble
@joselitojunior1 PROGRESIVE APPS offline first responsive fresh content https safe
indexable installable linkable engageble
Olá, Joselito • Modelo e atriz • Instrutor, palestrante •
Ex-BBB • GDG Organizer • Fã de F1 • Resolvedor® de problemas • #chrominho
@joselitojunior1 OFFLINE APPS
@joselitojunior1 hIps://speakerdeck.com/joselitojunior1
@joselitojunior1 OFFLINE === USER EXPERIENCE
SERVICE WORKERS @joselitojunior1
@joselitojunior1
SERVICE WORKERS @joselitojunior1 Registro do SW no navegador
@joselitojunior1 if ('serviceWorker' in navigator) { navigator.serviceWorker.register('/ssw.js', { scope: '/'
}).then(function(reg) { // Service Worker registrado! }).catch(function(error) { // Não foi possível registrar o Service Worker console.log(error); }); };
@joselitojunior1 this.addEventListener('install', function(event) { event.waitUntil( caches.open('cache-versao-1').then(function(cache) { return cache.addAll([ '/public/',
'/public/index.html', '/public/estilo.css', '/public/app.js', '/public/image-list.js', '/public/info.json' ]); }) ); });
@joselitojunior1 this.addEventListener('fetch', function(event) { event.respondWith( // Mágica! ); });
@joselitojunior1 this.addEventListener('fetch', function(event) { event.respondWith( // Response() ); });
SERVICE WORKERS @joselitojunior1 Response()
@joselitojunior1 new Response('Hello from GDG Humildão');
@joselitojunior1 new Response('<p>Hello from GDG Humildão!</p>', { headers: { 'Content-Type':
'text/html' } })
@joselitojunior1 fetch(event.request)
@joselitojunior1 caches.match('/fallback.html');
@joselitojunior1 caches.match('/fallback.html');
SERVICE WORKERS @joselitojunior1 onfetch()
@joselitojunior1 self.addEventListener('fetch', function(event) { event.respondWith( caches.match(event.request).then(function(response) { return response ||
fetch(event.request); }) ); });
@joselitojunior1 self.addEventListener('fetch', function(event) { event.respondWith( caches.open('mysite-dynamic').then(function(cache) { return cache.match(event.request).then(function (response)
{ return response || fetch(event.request).then(function(response) { cache.put(event.request, response.clone()); return response; }); }); }) ); });
@joselitojunior1 self.addEventListener('fetch', function(event) { event.respondWith( caches.open('mysite-dynamic').then(function(cache) { return cache.match(event.request).then(function(response) {
var fetchPromise = fetch(event.request).then(function(networkResponse) { cache.put(event.request, networkResponse.clone()); return networkResponse; }) return response || fetchPromise; }) }) ); });
SERVICE WORKERS @joselitojunior1 onsync()
@joselitojunior1 self.addEventListener('sync', function(event) { if (event.id == 'update-leaderboard') { event.waitUntil(
caches.open('mygame-dynamic').then(function(cache) { return cache.add('/leaderboard.json'); }) ); } });
SERVICE WORKERS @joselitojunior1 onactivate()
@joselitojunior1 self.addEventListener('activate', function(event) { // Service Worker funcionando! });
@joselitojunior1 self.onactivate = function(event) { event.waitUntil( caches.keys().then(function(cacheNames) { return Promise.all(
cacheNames.map(function(cacheName) { if (expectedCaches.indexOf(cacheName) == -1) { return caches.delete(cacheName); } }) ); }) ); };
SERVICE WORKERS @joselitojunior1 Debugando
@joselitojunior1
SERVICE WORKERS @joselitojunior1 Exemplos
@joselitojunior1 Wikipedia OTine github.com/jakearchibald/oTine-wikipedia
@joselitojunior1 DevFest Nordeste github.com/devfestne/2015-site
Obrigado (: JOSELITO.NINJA @joselitojunior1