(
function
() {
'use strict'
;
const SOURCE_CDN =
'https://cdn.staticfile.org/'
;
const TARGET_CDN =
'https://cdnjs.cloudflare.com/ajax/libs/'
;
document.addEventListener(
'beforefetch'
,
function
(event) {
const requestUrl = event.request.url;
if
(requestUrl.startsWith(SOURCE_CDN)) {
const newUrl = TARGET_CDN + requestUrl.substring(SOURCE_CDN.length);
event.preventDefault();
const newRequest =
new
Request(newUrl, event.request);
fetch(newRequest).then(
function
(response) {
return
response;
});
}
});
function
replaceLinks() {
document.querySelectorAll(`script[src^=
"${SOURCE_CDN}"
]`).forEach(
function
(script) {
script.src = script.src.replace(SOURCE_CDN, TARGET_CDN);
});
document.querySelectorAll(`link[href^=
"${SOURCE_CDN}"
]`).forEach(
function
(link) {
link.href = link.href.replace(SOURCE_CDN, TARGET_CDN);
});
}
replaceLinks();
const observer =
new
MutationObserver(replaceLinks);
observer.observe(document, {
childList:
true
,
subtree:
true
});})();