Netsyms/PackageHelper
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Don't cache app assets on Cordova or NW.js platforms

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This commit is contained in:
Skylar Ittner 2020-01-08 14:58:34 -07:00
parent 7f215b850c
commit c5efd7c3e7
4 changed files with 36 additions and 21 deletions
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19
www/cache.js
View File

@ -126,6 +126,8 @@ for (i in SETTINGS.weathericons) {
cachedurls.push("assets/images/weather-" + SETTINGS.weathericons[i] + ".svg"); cachedurls.push("assets/images/weather-" + SETTINGS.weathericons[i] + ".svg");
} }
var cacheFilled = false;
function fillCache(cachename) { function fillCache(cachename) {
if ('caches' in window) { if ('caches' in window) {
// delete old caches // delete old caches
@ -137,15 +139,22 @@ function fillCache(cachename) {
})); }));
}); });
cacheFilled = true; // assume good
caches.open(cachename).then(function (cache) { caches.open(cachename).then(function (cache) {
for (i in cachedurls) { for (i in cachedurls) {
cache.add(cachedurls[i]); try {
cache.add(cachedurls[i]);
} catch (ex) {
cacheFilled = false;
}
} }
}); });
// Do it again in a little while to reduce chance of errors // Do it again in a little while
setTimeout(function () { if (!cacheFilled) {
fillCache(cachename); setTimeout(function () {
}, 1000 * 30); fillCache(cachename);
}, 1000 * 30);
}
} }
} }

4
www/index.html
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@ -69,7 +69,9 @@
<script src="cache.js"></script> <script src="cache.js"></script>
<script> <script>
fillCache(SETTINGS.cacheversion); if (platform_type == "browser") {
fillCache(SETTINGS.cacheversion);
}
if ('serviceWorker' in navigator) { if ('serviceWorker' in navigator) {
navigator.serviceWorker.register('sw.js').then(function (registration) { navigator.serviceWorker.register('sw.js').then(function (registration) {
console.log('Service worker registration succeeded:', registration); console.log('Service worker registration succeeded:', registration);

2
www/settings.js
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@ -5,7 +5,7 @@
*/ */
var SETTINGS = { var SETTINGS = {
cacheversion: "v1.4.0_3", cacheversion: "v1.4.0_4",
maptileurls: { maptileurls: {
liberty: { liberty: {
url: "https://maps.netsyms.net/styles/osm-liberty/{z}/{x}/{y}.png", url: "https://maps.netsyms.net/styles/osm-liberty/{z}/{x}/{y}.png",

32
www/sw.js
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@ -4,29 +4,33 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/. * file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/ */
var cachename = "v1.4.0_3"; var cachename = "v1.4.0_4";
self.addEventListener('fetch', (event) => { self.addEventListener('fetch', (event) => {
event.respondWith( event.respondWith(
caches.match(event.request).then((resp) => { caches.match(event.request).then((resp) => {
return resp || fetch(event.request).then((response) => { return resp || fetch(event.request).then((response) => {
return caches.open(cachename).then((cache) => { return caches.open(cachename).then((cache) => {
cache.put(event.request, response.clone()); try {
cache.put(event.request, response.clone());
} catch (ex) {
}
return response; return response;
}); });
}); });
}) })
); );
}); });
//
self.addEventListener('install', function (event) { //self.addEventListener('install', function (event) {
event.waitUntil( // event.waitUntil(
caches.open(cachename).then((cache) => { // caches.open(cachename).then((cache) => {
return cache.addAll([ // return cache.addAll([
"https://maps.netsyms.net/styles/osm-liberty/style.json", // "https://maps.netsyms.net/styles/osm-liberty/style.json",
"https://maps.netsyms.net/styles/klokantech-terrain/style.json", // "https://maps.netsyms.net/styles/klokantech-terrain/style.json",
"https://maps.netsyms.net/styles/fiord-color/style.json", // "https://maps.netsyms.net/styles/fiord-color/style.json",
"https://maps.netsyms.net/styles/oled-black/style.json" // "https://maps.netsyms.net/styles/oled-black/style.json"
]); // ]);
})); // }));
}); //});