From 014452f7153365c3672f275381d52fe8c8161431 Mon Sep 17 00:00:00 2001 From: ZXY101 Date: Mon, 25 Sep 2023 10:15:08 +0200 Subject: [PATCH] Service worker test --- src/app.html | 1 + src/service-worker.js | 62 +++++++++++++++++++++++++++++++++++++++++++ static/manifest.json | 11 ++++++++ 3 files changed, 74 insertions(+) create mode 100644 src/service-worker.js create mode 100644 static/manifest.json diff --git a/src/app.html b/src/app.html index 5e25378..5f6197a 100644 --- a/src/app.html +++ b/src/app.html @@ -3,6 +3,7 @@ + +import { build, files, version } from '$service-worker'; + +// Create a unique cache name for this deployment +const CACHE = `cache-${version}`; + +const ASSETS = [ + ...build, // the app itself + ...files // everything in `static` +]; + +self.addEventListener('install', (event) => { + // Create a new cache and add all files to it + async function addFilesToCache() { + const cache = await caches.open(CACHE); + await cache.addAll(ASSETS); + } + + event.waitUntil(addFilesToCache()); +}); + +self.addEventListener('activate', (event) => { + // Remove previous cached data from disk + async function deleteOldCaches() { + for (const key of await caches.keys()) { + if (key !== CACHE) await caches.delete(key); + } + } + + event.waitUntil(deleteOldCaches()); +}); + +self.addEventListener('fetch', (event) => { + // ignore POST requests etc + if (event.request.method !== 'GET') return; + + async function respond() { + const url = new URL(event.request.url); + const cache = await caches.open(CACHE); + + // `build`/`files` can always be served from the cache + if (ASSETS.includes(url.pathname)) { + return cache.match(url.pathname); + } + + // for everything else, try the network first, but + // fall back to the cache if we're offline + try { + const response = await fetch(event.request); + + if (response.status === 200) { + cache.put(event.request, response.clone()); + } + + return response; + } catch { + return cache.match(event.request); + } + } + + event.respondWith(respond()); +}); \ No newline at end of file diff --git a/static/manifest.json b/static/manifest.json new file mode 100644 index 0000000..bfcd7b6 --- /dev/null +++ b/static/manifest.json @@ -0,0 +1,11 @@ +{ + "name": "Mokuro Reader", + "short_name": "Mokuro", + "icons": [], + "start_url": "/", + "background_color": "#0d0d0f", + "display": "standalone", + "scope": "/", + "theme_color": "#0d0d0f", + "description": "Reader for Mokuro processed manga" +}