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docs(sw): cache unpkg.com

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This commit is contained in:
qingwei.li 2017-02-22 09:39:17 +08:00
parent 5cab56cc92
commit 083cc4af56
3 changed files with 63 additions and 57 deletions
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40
docs/pwa.md
View File

@ -17,17 +17,18 @@ Create a sw.js file in your documents root directory and copy this code.
* Register service worker.
* ========================================================== */
const RUNTIME = 'docsify';
const RUNTIME = 'docsify'
const HOSTNAME_WHITELIST = [
self.location.hostname,
'fonts.gstatic.com',
'fonts.googleapis.com'
'fonts.googleapis.com',
'unpkg.com'
]
// The Util Function to hack URLs of intercepted requests
const getFixedUrl = (req) => {
var now = Date.now();
url = new URL(req.url)
var now = Date.now()
var url = new URL(req.url)
// 1. fixed http URL
// Just keep syncing with location.protocol
@ -40,7 +41,9 @@ const getFixedUrl = (req) => {
// 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
url.search += (url.search ? '&' : '?') + 'cache-bust=' + now;
if (url.hostname === self.location.hostname) {
url.search += (url.search ? '&' : '?') + 'cache-bust=' + now
}
return url.href
}
@ -50,16 +53,15 @@ const getFixedUrl = (req) => {
*
* waitUntil(): activating ====> activated
*/
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim());
});
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim())
})
/**
* @Functional Fetch
* All network requests are being intercepted here.
*
* void respondWith(Promise<Response> r);
* void respondWith(Promise<Response> r)
*/
self.addEventListener('fetch', event => {
// Skip some of cross-origin requests, like those for Google Analytics.
@ -67,10 +69,10 @@ self.addEventListener('fetch', event => {
// 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());
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.
@ -79,17 +81,17 @@ self.addEventListener('fetch', event => {
event.respondWith(
Promise.race([fetched.catch(_ => cached), cached])
.then(resp => resp || fetched)
.catch(_ => {/* eat any errors */})
);
.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 */})
);
.catch(_ => { /* eat any errors */ })
)
}
});
})
```
## Register

40
docs/sw.js
View File

@ -6,17 +6,18 @@
* Register service worker.
* ========================================================== */
const RUNTIME = 'docsify';
const RUNTIME = 'docsify'
const HOSTNAME_WHITELIST = [
self.location.hostname,
'fonts.gstatic.com',
'fonts.googleapis.com'
'fonts.googleapis.com',
'unpkg.com'
]
// The Util Function to hack URLs of intercepted requests
const getFixedUrl = (req) => {
var now = Date.now();
url = new URL(req.url)
var now = Date.now()
var url = new URL(req.url)
// 1. fixed http URL
// Just keep syncing with location.protocol
@ -29,7 +30,9 @@ const getFixedUrl = (req) => {
// 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
url.search += (url.search ? '&' : '?') + 'cache-bust=' + now;
if (url.hostname === self.location.hostname) {
url.search += (url.search ? '&' : '?') + 'cache-bust=' + now
}
return url.href
}
@ -39,16 +42,15 @@ const getFixedUrl = (req) => {
*
* waitUntil(): activating ====> activated
*/
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim());
});
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim())
})
/**
* @Functional Fetch
* All network requests are being intercepted here.
*
* void respondWith(Promise<Response> r);
* void respondWith(Promise<Response> r)
*/
self.addEventListener('fetch', event => {
// Skip some of cross-origin requests, like those for Google Analytics.
@ -56,10 +58,10 @@ self.addEventListener('fetch', event => {
// 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());
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.
@ -68,14 +70,14 @@ self.addEventListener('fetch', event => {
event.respondWith(
Promise.race([fetched.catch(_ => cached), cached])
.then(resp => resp || fetched)
.catch(_ => {/* eat any errors */})
);
.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 */})
);
.catch(_ => { /* eat any errors */ })
)
}
});
})

40
docs/zh-cn/pwa.md
View File

@ -17,17 +17,18 @@
* Register service worker.
* ========================================================== */
const RUNTIME = 'docsify';
const RUNTIME = 'docsify'
const HOSTNAME_WHITELIST = [
self.location.hostname,
'fonts.gstatic.com',
'fonts.googleapis.com'
'fonts.googleapis.com',
'unpkg.com'
]
// The Util Function to hack URLs of intercepted requests
const getFixedUrl = (req) => {
var now = Date.now();
url = new URL(req.url)
var now = Date.now()
var url = new URL(req.url)
// 1. fixed http URL
// Just keep syncing with location.protocol
@ -40,7 +41,9 @@ const getFixedUrl = (req) => {
// 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
url.search += (url.search ? '&' : '?') + 'cache-bust=' + now;
if (url.hostname === self.location.hostname) {
url.search += (url.search ? '&' : '?') + 'cache-bust=' + now
}
return url.href
}
@ -50,16 +53,15 @@ const getFixedUrl = (req) => {
*
* waitUntil(): activating ====> activated
*/
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim());
});
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim())
})
/**
* @Functional Fetch
* All network requests are being intercepted here.
*
* void respondWith(Promise<Response> r);
* void respondWith(Promise<Response> r)
*/
self.addEventListener('fetch', event => {
// Skip some of cross-origin requests, like those for Google Analytics.
@ -67,10 +69,10 @@ self.addEventListener('fetch', event => {
// 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());
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.
@ -79,17 +81,17 @@ self.addEventListener('fetch', event => {
event.respondWith(
Promise.race([fetched.catch(_ => cached), cached])
.then(resp => resp || fetched)
.catch(_ => {/* eat any errors */})
);
.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 */})
);
.catch(_ => { /* eat any errors */ })
)
}
});
})
```
## 注册