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feat: add service-worker for caching
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| const cacheName = "v1.0.0"; | ||
| const cacheAssets = [ | ||
| "index.html", | ||
| "script.js", | ||
| "style.js", | ||
| "https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js", | ||
| "https://cdnjs.cloudflare.com/ajax/libs/html5-qrcode/2.3.8/html5-qrcode.min.js", | ||
| "https://cdnjs.cloudflare.com/ajax/libs/autosize.js/6.0.1/autosize.min.js", | ||
| "https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined", | ||
| ]; | ||
|
|
||
| // Call Install Event | ||
| self.addEventListener("install", (e) => { | ||
| console.log("Service Worker: Installed"); | ||
|
|
||
| e.waitUntil( | ||
| caches | ||
| .open(cacheName) | ||
| .then((cache) => { | ||
| console.log("Service Worker: Caching Files"); | ||
| cache.addAll(cacheAssets); | ||
| }) | ||
| .then(() => self.skipWaiting()), | ||
| ); | ||
| }); | ||
|
|
||
| // Call Activate Event | ||
| self.addEventListener("activate", (e) => { | ||
| console.log("Service Worker: Activated"); | ||
| // Remove unwanted caches | ||
| e.waitUntil( | ||
| caches.keys().then((cacheNames) => { | ||
| return Promise.all( | ||
| cacheNames.map((cache) => { | ||
| if (cache !== cacheName) { | ||
| console.log("Service Worker: Clearing Old Cache"); | ||
| return caches.delete(cache); | ||
| } | ||
| }), | ||
| ); | ||
| }), | ||
| ); | ||
| }); | ||
|
|
||
| // Call Fetch Event | ||
| self.addEventListener("fetch", (e) => { | ||
| console.log("Service Worker: Fetching"); | ||
| e.respondWith( | ||
| fetch(e.request) | ||
| .then((res) => { | ||
| // Make clone of response | ||
| const resClone = res.clone(); | ||
| // Open cache | ||
| caches.open(cacheName).then((cache) => { | ||
| // Add response to cache | ||
| cache.put(e.request, resClone); | ||
| }); | ||
| return res; | ||
| }) | ||
| .catch(async (err) => { | ||
| console.error("Fetch failed; returning cached resource instead.", err); | ||
| return await caches.match(e.request); | ||
| }), | ||
| ); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| body, | ||
| html { | ||
| height: 100%; | ||
| height: 100vh; | ||
| margin: 0; | ||
| display: flex; | ||
| justify-content: center; | ||
|
|
||