Sha256: 9025bc3335b5c19bd3eb3acb072a0a15f8446fce17cf0f0224ea563251ab8880
Contents?: true
Size: 1.79 KB
Versions: 17
Compression:
Stored size: 1.79 KB
Contents
const CACHE = "pwabuilder-offline";
const offlineFallbackPage = "index.html";
// Install stage sets up the index page (home page) in the cache and opens a new cache
self.addEventListener("install", function (event) {
console.log("Install Event processing");
event.waitUntil(
caches.open(CACHE).then(function (cache) {
console.log("Cached offline page during install");
if (offlineFallbackPage === "ToDo-replace-this-name.html") {
return cache.add(new Response("Update the value of the offlineFallbackPage constant in the serviceworker."));
}
return cache.add(offlineFallbackPage);
})
);
});
// If any fetch fails, it will look for the request in the cache and serve it from there first
self.addEventListener("fetch", function (event) {
if (event.request.method !== "GET") return;
event.respondWith(
fetch(event.request)
.then(function (response) {
console.log("Add page to offline cache: " + response.url);
// If request was success, add or update it in the cache
event.waitUntil(updateCache(event.request, response.clone()));
return response;
})
.catch(function (error) {
console.log("Network request Failed. Serving content from cache: " + error);
return fromCache(event.request);
})
);
});
function fromCache(request) {
// Check to see if you have it in the cache
// Return response
// If not in the cache, then return error page
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);
});
}
Version data entries
17 entries across 17 versions & 1 rubygems