https://gush.surge.sh/sw.js

1/**
2 * Welcome to your Workbox-powered service worker!
3 *
4 * You'll need to register this file in your web app and you should
5 * disable HTTP caching for this file too.
6 * See https://goo.gl/nhQhGp
7 *
8 * The rest of the code is auto-generated. Please don't update this file
9 * directly; instead, make changes to your Workbox build configuration
10 * and re-run your build process.
11 * See https://goo.gl/2aRDsh
12 */
13
14importScripts("workbox-v4.3.1/workbox-sw.js");
15workbox.setConfig({modulePathPrefix: "workbox-v4.3.1"});
16
17workbox.core.setCacheNameDetails({prefix: "gatsby-plugin-offline"});
18
19workbox.core.skipWaiting();
20
21workbox.core.clientsClaim();
22
23/**
24 * The workboxSW.precacheAndRoute() method efficiently caches and responds to
25 * requests for URLs in the manifest.
26 * See https://goo.gl/S9QRab
27 */
28self.__precacheManifest = [
29  {
30    "url": "webpack-runtime-efc90e5404b2905f7433.js"
31  },
32  {
33    "url": "framework-4adb46e364577e67729f.js"
34  },
35  {
36    "url": "app-bc207999cb8dab147a5c.js"
37  },
38  {
39    "url": "offline-plugin-app-shell-fallback/index.html",
40    "revision": "863f073362487591768b11a16242259a"
41  },
42  {
43    "url": "component---cache-caches-gatsby-plugin-offline-app-shell-js-b1462017a2c34a95e2b4.js"
44  },
45  {
46    "url": "manifest.webmanifest",
47    "revision": "9b07b85d484a8f1b9982031dff59ea27"
48  }
49].concat(self.__precacheManifest || []);
50workbox.precaching.precacheAndRoute(self.__precacheManifest, {});
51
52workbox.routing.registerRoute(/(\.js$|\.css$|static\/)/, new workbox.strategies.CacheFirst(), 'GET');
53workbox.routing.registerRoute(/^https?:.*\page-data\/.*\/page-data\.json/, new workbox.strategies.StaleWhileRevalidate(), 'GET');
54workbox.routing.registerRoute(/^https?:.*\.(png|jpg|jpeg|webp|svg|gif|tiff|js|woff|woff2|json|css)$/, new workbox.strategies.StaleWhileRevalidate(), 'GET');
55workbox.routing.registerRoute(/^https?:\/\/fonts\.googleapis\.com\/css/, new workbox.strategies.StaleWhileRevalidate(), 'GET');
56
57/* global importScripts, workbox, idbKeyval */
58
59importScripts(`idb-keyval-iife.min.js`)
60
61const { NavigationRoute } = workbox.routing
62
63let lastNavigationRequest = null
64let offlineShellEnabled = true
65
66// prefer standard object syntax to support more browsers
67const MessageAPI = {
68  setPathResources: (event, { path, resources }) => {
69    event.waitUntil(idbKeyval.set(`resources:${path}`, resources))
70  },
71
72  clearPathResources: event => {
73    event.waitUntil(idbKeyval.clear())
74  },
75
76  enableOfflineShell: () => {
77    offlineShellEnabled = true
78  },
79
80  disableOfflineShell: () => {
81    offlineShellEnabled = false
82  },
83}
84
85self.addEventListener(`message`, event => {
86  const { gatsbyApi: api } = event.data
87  if (api) MessageAPI[api](event, event.data)
88})
89
90function handleAPIRequest({ event }) {
91  const { pathname } = new URL(event.request.url)
92
93  const params = pathname.match(/:(.+)/)[1]
94  const data = {}
95
96  if (params.includes(`=`)) {
97    params.split(`&`).forEach(param => {
98      const [key, val] = param.split(`=`)
99      data[key] = val
100    })
101  } else {
102    data.api = params
103  }
104
105  if (MessageAPI[data.api] !== undefined) {
106    MessageAPI[data.api]()
107  }
108
109  if (!data.redirect) {
110    return new Response()
111  }
112
113  return new Response(null, {
114    status: 302,
115    headers: {
116      Location: lastNavigationRequest,
117    },
118  })
119}
120
121const navigationRoute = new NavigationRoute(async ({ event }) => {
122  // handle API requests separately to normal navigation requests, so do this
123  // check first
124  if (event.request.url.match(/\/.gatsby-plugin-offline:.+/)) {
125    return handleAPIRequest({ event })
126  }
127
128  if (!offlineShellEnabled) {
129    return await fetch(event.request)
130  }
131
132  lastNavigationRequest = event.request.url
133
134  let { pathname } = new URL(event.request.url)
135  pathname = pathname.replace(new RegExp(`^`), ``)
136
137  // Check for resources + the app bundle
138  // The latter may not exist if the SW is updating to a new version
139  const resources = await idbKeyval.get(`resources:${pathname}`)
140  if (!resources || !(await caches.match(`/app-bc207999cb8dab147a5c.js`))) {
141    return await fetch(event.request)
142  }
143
144  for (const resource of resources) {
145    // As soon as we detect a failed resource, fetch the entire page from
146    // network - that way we won't risk being in an inconsistent state with
147    // some parts of the page failing.
148    if (!(await caches.match(resource))) {
149      return await fetch(event.request)
150    }
151  }
152
153  const offlineShell = `/offline-plugin-app-shell-fallback/index.html`
154  const offlineShellWithKey = workbox.precaching.getCacheKeyForURL(offlineShell)
155  return await caches.match(offlineShellWithKey)
156})
157
158workbox.routing.registerRoute(navigationRoute)
159
160// this route is used when performing a non-navigation request (e.g. fetch)
161workbox.routing.registerRoute(/\/.gatsby-plugin-offline:.+/, handleAPIRequest)