https://app.sites.motocms.com/sw.js

1/* eslint-disable eqeqeq */
2/* eslint-disable consistent-return */
3/* eslint-disable comma-dangle */
4/* eslint-disable prefer-template */
5/* eslint-disable vars-on-top */
6/* eslint-disable block-spacing */
7/* eslint-disable space-before-function-paren */
8/* eslint-disable func-names */
9/* eslint-disable prefer-arrow-callback */
10/* eslint-disable no-restricted-globals */
11/* eslint-disable quotes */
12/* eslint no-var: off */
13/* eslint no-console: off */
14/* global fetch self caches */
15var hostReplacer = {}
16function checkReplacer() {
17  return fetch(self.location.origin.replace("//app.", "//api.") + "/api/host/replacer")
18    .then(function(res) {return res.json()})
19    .then(function(r) {hostReplacer = r.data || {}})
20    .catch(function(error) {console.error(error)})
21}
22setInterval(checkReplacer, 60000)
23
24function replaceHost(host) {
25  var arr = host.split(":")
26  for (var key in hostReplacer) {
27    if (key == arr[0]) return hostReplacer[key] + (arr[1] ? ":" + arr[1] : "")
28  }
29  return host
30}
31
32function fetchWithCache(event, _fetch) {
33  event.respondWith(
34    caches.match(event.request, {ignoreSearch: true}).then(function(result) {
35      if (result && result.ok) return result
36      return _fetch.then(function(resp) {
37        if (resp.status == 200) {
38          return caches.open("resource-cache").then(function(cache) {
39            cache.put(event.request, resp.clone())
40            return resp
41          })
42        }
43        return resp
44      })
45    })
46  )
47}
48
49self.addEventListener("fetch", function(event) {
50  var url = new URL(event.request.url)
51  var host = replaceHost(url.host)
52  if (host != url.host && event.request.method == "GET") {

53    fetchWithCache(event, fetch(url.protocol + "//" + host + url.pathname + url.search))
54  }
55})
56
57self.addEventListener("install", function(event) {
58  if (!this.createImageBitmap) {
59    return event.waitUntil(self.skipWaiting())
60  }
61  event.waitUntil(checkReplacer().then(function() {self.skipWaiting()}))
62})