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authorDrashna Jaelre <drashna@live.com>2019-04-09 09:26:11 -0700
committerDrashna Jaelre <drashna@live.com>2019-04-09 09:26:11 -0700
commit51a7fb1f1ea74648dc926354c887a04929297aba (patch)
tree653632f08da46b9dc8dc8ab65055927635087f85 /docs/sw.js
parent7c9d1d58ee9da18fa64cacd564fdf512ec4cb74e (diff)
Remove documentation folder
Diffstat (limited to 'docs/sw.js')
-rw-r--r--docs/sw.js83
1 files changed, 0 insertions, 83 deletions
diff --git a/docs/sw.js b/docs/sw.js
deleted file mode 100644
index 1e4aaeb762..0000000000
--- a/docs/sw.js
+++ /dev/null
@@ -1,83 +0,0 @@
-/* ===========================================================
- * docsify sw.js
- * ===========================================================
- * Copyright 2016 @huxpro
- * Licensed under Apache 2.0
- * Register service worker.
- * ========================================================== */
-
-const RUNTIME = 'docsify'
-const HOSTNAME_WHITELIST = [
- self.location.hostname,
- 'fonts.gstatic.com',
- 'fonts.googleapis.com',
- 'unpkg.com'
-]
-
-// The Util Function to hack URLs of intercepted requests
-const getFixedUrl = (req) => {
- var now = Date.now()
- var url = new URL(req.url)
-
- // 1. fixed http URL
- // Just keep syncing with location.protocol
- // fetch(httpURL) belongs to active mixed content.
- // And fetch(httpRequest) is not supported yet.
- url.protocol = self.location.protocol
-
- // 2. add query for caching-busting.
- // Github Pages served with Cache-Control: max-age=600
- // max-age on mutable content is error-prone, with SW life of bugs can even extend.
- // Until cache mode of Fetch API landed, we have to workaround cache-busting with query string.
- // Cache-Control-Bug: https://bugs.chromium.org/p/chromium/issues/detail?id=453190
- if (url.hostname === self.location.hostname) {
- url.search += (url.search ? '&' : '?') + 'cache-bust=' + now
- }
- return url.href
-}
-
-/**
- * @Lifecycle Activate
- * New one activated when old isnt being used.
- *
- * waitUntil(): activating ====> activated
- */
-self.addEventListener('activate', event => {
- event.waitUntil(self.clients.claim())
-})
-
-/**
- * @Functional Fetch
- * All network requests are being intercepted here.
- *
- * void respondWith(Promise<Response> r)
- */
-self.addEventListener('fetch', event => {
- // Skip some of cross-origin requests, like those for Google Analytics.
- if (HOSTNAME_WHITELIST.indexOf(new URL(event.request.url).hostname) > -1) {
- // Stale-while-revalidate
- // similar to HTTP's stale-while-revalidate: https://www.mnot.net/blog/2007/12/12/stale
- // Upgrade from Jake's to Surma's: https://gist.github.com/surma/eb441223daaedf880801ad80006389f1
- const cached = caches.match(event.request)
- const fixedUrl = getFixedUrl(event.request)
- const fetched = fetch(fixedUrl, { cache: 'no-store' })
- const fetchedCopy = fetched.then(resp => resp.clone())
-
- // Call respondWith() with whatever we get first.
- // If the fetch fails (e.g disconnected), wait for the cache.
- // If there’s nothing in cache, wait for the fetch.
- // If neither yields a response, return offline pages.
- event.respondWith(
- Promise.race([fetched.catch(_ => cached), cached])
- .then(resp => resp || fetched)
- .catch(_ => { /* eat any errors */ })
- )
-
- // Update the cache with the version we fetched (only for ok status)
- event.waitUntil(
- Promise.all([fetchedCopy, caches.open(RUNTIME)])
- .then(([response, cache]) => response.ok && cache.put(event.request, response))
- .catch(_ => { /* eat any errors */ })
- )
- }
-})