oss/RomPatcher.js
oss/RomPatcher.js
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PWA fix attempt 4

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Marc Robledo 2019-04-18 12:02:38 +02:00
parent 1dd2f6b49f
commit 2bed40b48d
2 changed files with 93 additions and 36 deletions
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125
_cache_service_worker.js
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@ -1,42 +1,99 @@
/*
original: https://github.com/GoogleChrome/samples/blob/gh-pages/service-worker/basic/service-worker.js
Cache Service Worker template by mrc 2019
mostly based in:
https://github.com/GoogleChrome/samples/blob/gh-pages/service-worker/basic/service-worker.js
https://github.com/chriscoyier/Simple-Offline-Site/blob/master/js/service-worker.js
https://gist.github.com/kosamari/7c5d1e8449b2fbc97d372675f16b566e
Copyright 2016 Google Inc. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Note for GitHub Pages:
there can be an unexpected behaviour (cache not updating) when site is accessed from
https://user.github.io/repo/ (without index.html) in some browsers (Firefox)
use absolute paths if hosted in GitHub Pages in order to avoid it
also invoke sw with an absolute path:
navigator.serviceWorker.register('/repo/_cache_service_worker.js', {scope: '/repo/'})
*/
const PRECACHE = 'precache-v7';
const RUNTIME = 'runtime';
const PRECACHE_URLS = [
'index.html','/RomPatcher.js/',
'manifest.json',
'favicon.png',
'logo192.png',
'RomPatcher.css',
'RomPatcher.js',
'locale.js',
'worker_apply.js',
'worker_create.js',
'worker_crc.js',
'MarcFile.js',
'crc.js',
'ips.js',
'ups.js',
'aps.js',
'bps.js',
'rup.js',
'ppf.js',
'vcdiff.js'
/* MOD: fix old caches for mrc */
caches.keys().then(function(cacheNames){
for(var i=0; i<cacheNames.length; i++){
if(
cacheNames[i]==='runtime' ||
/^precache-\w+$/.test(cacheNames[i]) ||
/^precache-editor-([\w\+]+)-\w+$/.test(cacheNames[i]) ||
/^v?\d+\w?$/.test(cacheNames[i])
){
console.log('deleting old cache: '+cacheNames[i]);
caches.delete(cacheNames[i]);
}
}
});
var PRECACHE_ID='rom-patcher-js';
var PRECACHE_VERSION='v1';
var PRECACHE_URLS=[
'/RomPatcher.js/','/RomPatcher.js/index.html',
'/RomPatcher.js/manifest.json',
'/RomPatcher.js/favicon.png',
'/RomPatcher.js/logo192.png',
'/RomPatcher.js/RomPatcher.css',
'/RomPatcher.js/RomPatcher.js',
'/RomPatcher.js/locale.js',
'/RomPatcher.js/worker_apply.js',
'/RomPatcher.js/worker_create.js',
'/RomPatcher.js/worker_crc.js',
'/RomPatcher.js/MarcFile.js',
'/RomPatcher.js/crc.js',
'/RomPatcher.js/ips.js',
'/RomPatcher.js/ups.js',
'/RomPatcher.js/aps.js',
'/RomPatcher.js/bps.js',
'/RomPatcher.js/rup.js',
'/RomPatcher.js/ppf.js',
'/RomPatcher.js/vcdiff.js'
];
self.addEventListener('install', event => {event.waitUntil(caches.open(PRECACHE).then(cache => cache.addAll(PRECACHE_URLS)).then(self.skipWaiting()));});self.addEventListener('activate', event => {const currentCaches = [PRECACHE, RUNTIME];event.waitUntil(caches.keys().then(cacheNames => {return cacheNames.filter(cacheName => !currentCaches.includes(cacheName));}).then(cachesToDelete => {return Promise.all(cachesToDelete.map(cacheToDelete => {return caches.delete(cacheToDelete);}));}).then(() => self.clients.claim()));});self.addEventListener('fetch', event => {if (event.request.url.startsWith(self.location.origin)) {event.respondWith(caches.match(event.request).then(cachedResponse => {if (cachedResponse) {return cachedResponse;}return caches.open(RUNTIME).then(cache => {return fetch(event.request).then(response => {return cache.put(event.request, response.clone()).then(() => {return response;});});});}));}});
//PRECACHE_ID='precache-'+PRECACHE_ID+'-'+PRECACHE_VERSION;
// install event (fired when sw is first installed): opens a new cache
self.addEventListener('install', evt => {
evt.waitUntil(
caches.open('precache-'+PRECACHE_ID+'-'+PRECACHE_VERSION)
.then(cache => cache.addAll(PRECACHE_URLS))
.then(self.skipWaiting())
);
});
// activate event (fired when sw is has been successfully installed): cleans up old outdated caches
self.addEventListener('activate', evt => {
evt.waitUntil(
caches.keys().then(cacheNames => {
return cacheNames.filter(cacheName => (cacheName.startsWith('precache-'+PRECACHE_ID+'-') && !cacheName.endsWith('-'+PRECACHE_VERSION)));
}).then(cachesToDelete => {
return Promise.all(cachesToDelete.map(cacheToDelete => {
console.log('delete '+cacheToDelete);
return caches.delete(cacheToDelete);
}));
}).then(() => self.clients.claim())
);
});
// fetch event (fired when requesting a resource): returns cached resource when possible
self.addEventListener('fetch', evt => {
if(evt.request.url.startsWith(self.location.origin)){ //skip cross-origin requests
evt.respondWith(
caches.match(evt.request).then(cachedResource => {
if (cachedResource) {
console.log('retrieving cached resource: '+cachedResource;
return cachedResource;
}else{
console.log('FAILED retrieving cached resource: '+evt.request;
return fetch(evt.request);
}
})
);
}
});

2
index.html
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@ -122,7 +122,7 @@
<!-- FOOTER -->
<footer>
Rom Patcher JS <small>v2.0 RC1b</small> by <a href="/">Marc Robledo</a>
Rom Patcher JS <small>v2.0 RC1c</small> by <a href="/">Marc Robledo</a>
<br />
<i class="icon github"></i> <a href="https://github.com/marcrobledo/RomPatcher.js/" target="_blank">See on GitHub</a>
<i class="icon heart"></i> <a href="https://www.paypal.me/marcrobledo/5" target="_blank" rel="nofollow">Donate</a>