aliglelo/sw.js

A personal package!

const CACHE="pwabuilder-precache";const precacheFiles=[];self.addEventListener("install",function(event){console.log("[PWA Builder] Install Event processing");console.log("[PWA Builder] Skip waiting on install");self.skipWaiting();event.waitUntil(caches.open(CACHE).then(function(cache){console.log("[PWA Builder] Caching pages during install");return cache.addAll(precacheFiles);}));});self.addEventListener("activate",function(event){console.log("[PWA Builder] Claiming clients for current page");event.waitUntil(self.clients.claim());});self.addEventListener("fetch",function(event){if(event.request.method!=="GET")return;event.respondWith(fromCache(event.request).then(function(response){event.waitUntil(fetch(event.request).then(function(response){return updateCache(event.request,response);}));return response;},function(){return fetch(event.request).then(function(response){event.waitUntil(updateCache(event.request,response.clone()));return response;}).catch(function(error){console.log("[PWA Builder] Network request failed and no cache."+error);});}));});function fromCache(request){return caches.open(CACHE).then(function(cache){return cache.match(request).then(function(matching){if(!matching||matching.status===404){return Promise.reject("no-match");}
return matching;});});}
function updateCache(request,response){return caches.open(CACHE).then(function(cache){return cache.put(request,response);});}