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Improve m3u-prune scriptlet

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Related feedback:
https://github.com/uBlockOrigin/uAssets/issues/30633#issuecomment-3475806340
This commit is contained in:
Raymond Hill 2025-11-01 11:25:06 -04:00
parent b0d51160f2
commit 53d60ac36c
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GPG key ID: F5630CAE62A14316
1 changed files with 24 additions and 21 deletions
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45
src/js/resources/scriptlets.js
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@ -1589,6 +1589,7 @@ builtinScriptlets.push({
name: 'm3u-prune.js',
fn: m3uPrune,
dependencies: [
'proxy-apply.fn',
'safe-self.fn',
],
});
@ -1704,28 +1705,30 @@ function m3uPrune(
if ( arg instanceof Request ) { return arg.url; }
return String(arg);
};
const realFetch = self.fetch;
self.fetch = new Proxy(self.fetch, {
apply: function(target, thisArg, args) {
if ( reUrl.test(urlFromArg(args[0])) === false ) {
return Reflect.apply(target, thisArg, args);
}
return realFetch(...args).then(realResponse =>
realResponse.text().then(text => {
const response = new Response(pruner(text), {
status: realResponse.status,
statusText: realResponse.statusText,
headers: realResponse.headers,
});
if ( toLog.length !== 0 ) {
toLog.unshift(logPrefix);
safe.uboLog(toLog.join('\n'));
}
return response;
})
);
proxyApplyFn('fetch', async function fetch(context) {
const args = context.callArgs;
const fetchPromise = context.reflect();
if ( reUrl.test(urlFromArg(args[0])) === false ) { return fetchPromise; }
const responseBefore = await fetchPromise;
const responseClone = responseBefore.clone();
const textBefore = await responseClone.text();
const textAfter = pruner(textBefore);
if ( textAfter === textBefore ) { return responseBefore; }
const responseAfter = new Response(textAfter, {
status: responseBefore.status,
statusText: responseBefore.statusText,
headers: responseBefore.headers,
});
Object.defineProperties(responseAfter, {
url: { value: responseBefore.url },
type: { value: responseBefore.type },
});
if ( toLog.length !== 0 ) {
toLog.unshift(logPrefix);
safe.uboLog(toLog.join('\n'));
}
});
return responseAfter;
})
self.XMLHttpRequest.prototype.open = new Proxy(self.XMLHttpRequest.prototype.open, {
apply: async (target, thisArg, args) => {
if ( reUrl.test(urlFromArg(args[1])) === false ) {