Browse Source
* Refactor to use external search API * Let indexer restart on failure * Remove serviceWorkermain
Marian Steinbach
3 years ago
committed by
GitHub
GitHub
14 changed files with 345 additions and 504 deletions
@ -1,72 +0,0 @@ |
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/** |
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* Will be imported into our service worker |
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*/ |
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/** |
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* This handler intercepts all GET requests and either responds with a |
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* cached version of the resource or fetches the original one and then |
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* adds it to the cache. |
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* |
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* This is called "on network response" in |
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* https://jakearchibald.com/2014/offline-cookbook/#on-network-response
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* |
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* We whitelist the URLs to cache in this manner. |
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*/ |
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self.addEventListener('fetch', function(event) { |
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var shouldRespond = false; |
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if (event.request.method === 'GET') { |
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// API
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if (event.request.url.indexOf('/api/v1/') !== -1) { |
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// exclude our freshness check from cache
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if (event.request.url.indexOf('/api/v1/spider-results/last-updated/') === -1) { |
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shouldRespond = true; |
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} |
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} |
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// webfonts
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else if (event.request.url.indexOf('https://netzbegruenung.github.io/webfonts/') !== -1) { |
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shouldRespond = true; |
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} |
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// ionicons
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else if (event.request.url.indexOf('https://unpkg.com/ionicons') !== -1) { |
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shouldRespond = true; |
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} |
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// If shouldRespond was set to true at any point, then call
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// event.respondWith(), using the appropriate cache key.
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if (shouldRespond) { |
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event.respondWith( |
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caches.open(cacheName).then(function(cache) { |
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return cache.match(urlsToCacheKeys.get(event.request.url)).then(function(response) { |
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return response || fetch(event.request).then(function(response) { |
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console.log("Fetching and caching resource", event.request.url); |
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cache.put(event.request, response.clone()); |
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return response; |
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}); |
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}); |
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}) |
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); |
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} |
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} |
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}); |
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/** |
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* Pre-fetch some static resources on service worker installation. |
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*/ |
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self.addEventListener('install', function(event) { |
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event.waitUntil( |
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caches.open(cacheName).then(function(cache) { |
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console.log('Pre-fetching some resources on SW install'); |
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return cache.addAll([ |
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'https://netzbegruenung.github.io/webfonts/fonts/Arvo_Gruen_2015_10.woff', |
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'https://unpkg.com/ionicons@4.4.3/dist/fonts/ionicons.woff2', |
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'https://netzbegruenung.github.io/webfonts/fonts/arvo_regular.woff', |
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'https://netzbegruenung.github.io/webfonts/style.css', |
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'https://unpkg.com/ionicons@4.4.3/dist/css/ionicons.min.css' |
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]); |
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}) |
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); |
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}); |
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@ -0,0 +1,32 @@ |
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import React, { Component } from 'react'; |
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class SearchForm extends Component { |
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handleChange = (event) => { |
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this.props.callback(event.target.value); |
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}; |
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handleSubmit = (event) => { |
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event.preventDefault(); |
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}; |
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render() { |
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var hitsInfo = <span> </span>; |
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if (this.props.hits !== null) { |
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hitsInfo = <span>{this.props.hits} Treffer</span>; |
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} |
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return ( |
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<div className='col-12'> |
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<form onSubmit={this.handleSubmit}> |
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<div className='form-group'> |
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<label htmlFor='queryInput'>Finde Deine Site</label> |
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<input className='form-control' type='search' name='query' placeholder="z. B. kleinostheim" value={this.props.value} onChange={this.handleChange} id='queryInput' /> |
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<small className='form-text'>{hitsInfo}</small> |
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</div> |
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</form> |
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</div> |
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); |
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} |
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} |
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export default SearchForm; |
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@ -1,117 +0,0 @@ |
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// In production, we register a service worker to serve assets from local cache.
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// This lets the app load faster on subsequent visits in production, and gives
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// it offline capabilities. However, it also means that developers (and users)
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// will only see deployed updates on the "N+1" visit to a page, since previously
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// cached resources are updated in the background.
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// To learn more about the benefits of this model, read https://goo.gl/KwvDNy.
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// This link also includes instructions on opting out of this behavior.
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const isLocalhost = Boolean( |
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window.location.hostname === 'localhost' || |
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// [::1] is the IPv6 localhost address.
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window.location.hostname === '[::1]' || |
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// 127.0.0.1/8 is considered localhost for IPv4.
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window.location.hostname.match( |
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/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/ |
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) |
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); |
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export default function register() { |
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if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) { |
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// The URL constructor is available in all browsers that support SW.
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const publicUrl = new URL(process.env.PUBLIC_URL, window.location); |
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if (publicUrl.origin !== window.location.origin) { |
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// Our service worker won't work if PUBLIC_URL is on a different origin
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// from what our page is served on. This might happen if a CDN is used to
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// serve assets; see https://github.com/facebookincubator/create-react-app/issues/2374
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return; |
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} |
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window.addEventListener('load', () => { |
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const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`; |
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if (isLocalhost) { |
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// This is running on localhost. Lets check if a service worker still exists or not.
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checkValidServiceWorker(swUrl); |
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// Add some additional logging to localhost, pointing developers to the
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// service worker/PWA documentation.
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navigator.serviceWorker.ready.then(() => { |
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console.log( |
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'This web app is being served cache-first by a service ' + |
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'worker. To learn more, visit https://goo.gl/SC7cgQ' |
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); |
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}); |
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} else { |
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// Is not local host. Just register service worker
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registerValidSW(swUrl); |
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} |
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}); |
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} |
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} |
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function registerValidSW(swUrl) { |
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navigator.serviceWorker |
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.register(swUrl) |
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.then(registration => { |
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registration.onupdatefound = () => { |
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const installingWorker = registration.installing; |
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installingWorker.onstatechange = () => { |
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if (installingWorker.state === 'installed') { |
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if (navigator.serviceWorker.controller) { |
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// At this point, the old content will have been purged and
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// the fresh content will have been added to the cache.
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// It's the perfect time to display a "New content is
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// available; please refresh." message in your web app.
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console.log('New content is available; please refresh.'); |
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} else { |
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// At this point, everything has been precached.
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// It's the perfect time to display a
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// "Content is cached for offline use." message.
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console.log('Content is cached for offline use.'); |
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} |
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} |
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}; |
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}; |
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}) |
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.catch(error => { |
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console.error('Error during service worker registration:', error); |
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}); |
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} |
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function checkValidServiceWorker(swUrl) { |
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// Check if the service worker can be found. If it can't reload the page.
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fetch(swUrl) |
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.then(response => { |
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// Ensure service worker exists, and that we really are getting a JS file.
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if ( |
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response.status === 404 || |
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response.headers.get('content-type').indexOf('javascript') === -1 |
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) { |
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// No service worker found. Probably a different app. Reload the page.
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navigator.serviceWorker.ready.then(registration => { |
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registration.unregister().then(() => { |
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window.location.reload(); |
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}); |
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}); |
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} else { |
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// Service worker found. Proceed as normal.
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registerValidSW(swUrl); |
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} |
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}) |
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.catch(() => { |
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console.log( |
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'No internet connection found. App is running in offline mode.' |
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); |
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}); |
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} |
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export function unregister() { |
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if ('serviceWorker' in navigator) { |
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navigator.serviceWorker.ready.then(registration => { |
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registration.unregister(); |
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}); |
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} |
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} |
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