Add PWA Support #115
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| { | ||
| "name": "OpenAIChatGPTBlazor", | ||
| "short_name": "ChatGPT", | ||
| "id": "./", | ||
| "start_url": "./", | ||
| "display": "standalone", | ||
| "background_color": "#ffffff", | ||
| "theme_color": "#03173d", | ||
| "prefer_related_applications": false, | ||
| "icons": [ | ||
| { | ||
| "src": "icon-512.png", | ||
| "type": "image/png", | ||
| "sizes": "512x512" | ||
| }, | ||
| { | ||
| "src": "icon-192.png", | ||
| "type": "image/png", | ||
| "sizes": "192x192" | ||
| } | ||
| ] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| // In development, always fetch from the network and do not enable offline support. | ||
| // This is because caching would make development more difficult (changes would not | ||
| // be reflected on the first load after each change). | ||
| self.addEventListener('fetch', () => { }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| // Caution! Be sure you understand the caveats before publishing an application with | ||
| // offline support. See https://aka.ms/blazor-offline-considerations | ||
|
Owner
There was a problem hiding this comment. Did you consider/test the impact of these settings and offline mode? |
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| 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))); | ||
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| 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$/ ]; | ||
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| // 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); | ||
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| async function onInstall(event) { | ||
| console.info('Service worker: Install'); | ||
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| // 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)); | ||
| } | ||
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| async function onActivate(event) { | ||
| console.info('Service worker: Activate'); | ||
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| // Delete unused caches | ||
| const cacheKeys = await caches.keys(); | ||
| await Promise.all(cacheKeys | ||
| .filter(key => key.startsWith(cacheNamePrefix) && key !== cacheName) | ||
| .map(key => caches.delete(key))); | ||
| } | ||
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| 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); | ||
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| const request = shouldServeIndexHtml ? 'index.html' : event.request; | ||
| const cache = await caches.open(cacheName); | ||
| cachedResponse = await cache.match(request); | ||
| } | ||
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| return cachedResponse || fetch(event.request); | ||
| } | ||
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nit: identation