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-rw-r--r--Utilities/LibMatrix.E2eeTestKit/wwwroot/service-worker.published.js55
1 files changed, 55 insertions, 0 deletions
diff --git a/Utilities/LibMatrix.E2eeTestKit/wwwroot/service-worker.published.js b/Utilities/LibMatrix.E2eeTestKit/wwwroot/service-worker.published.js
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+++ b/Utilities/LibMatrix.E2eeTestKit/wwwroot/service-worker.published.js
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+// Caution! Be sure you understand the caveats before publishing an application with

+// offline support. See https://aka.ms/blazor-offline-considerations

+

+self.importScripts('./service-worker-assets.js');

+self.addEventListener('install', event => event.waitUntil(onInstall(event)));

+self.addEventListener('activate', event => event.waitUntil(onActivate(event)));

+self.addEventListener('fetch', event => event.respondWith(onFetch(event)));

+

+const cacheNamePrefix = 'offline-cache-';

+const cacheName = `${cacheNamePrefix}${self.assetsManifest.version}`;

+const offlineAssetsInclude = [ /\.dll$/, /\.pdb$/, /\.wasm/, /\.html/, /\.js$/, /\.json$/, /\.css$/, /\.woff$/, /\.png$/, /\.jpe?g$/, /\.gif$/, /\.ico$/, /\.blat$/, /\.dat$/ ];

+const offlineAssetsExclude = [ /^service-worker\.js$/ ];

+

+// Replace with your base path if you are hosting on a subfolder. Ensure there is a trailing '/'.

+const base = "/";

+const baseUrl = new URL(base, self.origin);

+const manifestUrlList = self.assetsManifest.assets.map(asset => new URL(asset.url, baseUrl).href);

+

+async function onInstall(event) {

+    console.info('Service worker: Install');

+

+    // Fetch and cache all matching items from the assets manifest

+    const assetsRequests = self.assetsManifest.assets

+        .filter(asset => offlineAssetsInclude.some(pattern => pattern.test(asset.url)))

+        .filter(asset => !offlineAssetsExclude.some(pattern => pattern.test(asset.url)))

+        .map(asset => new Request(asset.url, { integrity: asset.hash, cache: 'no-cache' }));

+    await caches.open(cacheName).then(cache => cache.addAll(assetsRequests));

+}

+

+async function onActivate(event) {

+    console.info('Service worker: Activate');

+

+    // Delete unused caches

+    const cacheKeys = await caches.keys();

+    await Promise.all(cacheKeys

+        .filter(key => key.startsWith(cacheNamePrefix) && key !== cacheName)

+        .map(key => caches.delete(key)));

+}

+

+async function onFetch(event) {

+    let cachedResponse = null;

+    if (event.request.method === 'GET') {

+        // For all navigation requests, try to serve index.html from cache,

+        // unless that request is for an offline resource.

+        // If you need some URLs to be server-rendered, edit the following check to exclude those URLs

+        const shouldServeIndexHtml = event.request.mode === 'navigate'

+            && !manifestUrlList.some(url => url === event.request.url);

+

+        const request = shouldServeIndexHtml ? 'index.html' : event.request;

+        const cache = await caches.open(cacheName);

+        cachedResponse = await cache.match(request);

+    }

+

+    return cachedResponse || fetch(event.request);

+}