The trimCache function in Going Offline

function trimCache(cacheName, maxItems) {
cacheName.open( cache => {
cache.keys()
.then( items => {
if (items.length > maxItems) {
cache.delete(items[0])
.then(
trimCache(cacheName, maxItems)
); // end delete then
} // end if
}); // end keys then
}); // end open
} // end function
cacheName.open( cache => {
caches.open( cacheName )
.then( cache => {
function trimCache(cacheName, maxItems) {
caches.open(cacheName)
.then( cache => {
cache.keys()
.then(keys => {
if (keys.length > maxItems) {
cache.delete(keys[0])
.then(
trimCache(cacheName, maxItems)
); // end delete then
} // end if
}); // end keys then
}); // end open then
} // end function

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A web developer and author living and working in Brighton, England. Everything I post on Medium is a copy — the originals are on my own website, adactio.com

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Jeremy Keith

Jeremy Keith

A web developer and author living and working in Brighton, England. Everything I post on Medium is a copy — the originals are on my own website, adactio.com