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[mv3] Improve generic cosmetic filtering surveyor

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Raymond Hill 2024-05-28 22:08:24 -04:00
parent 8ea1bac80b
commit 98977971db
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GPG Key ID: 25E1490B761470C2
1 changed files with 12 additions and 15 deletions
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27
platform/mv3/extension/js/scripting/css-generic.js
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@ -19,10 +19,6 @@
Home: https://github.com/gorhill/uBlock
*/
/* jshint esversion:11 */
'use strict';
/******************************************************************************/
// Important!
@ -76,7 +72,11 @@ const hashFromStr = (type, s) => {
const uBOL_idFromNode = (node, out) => {
const raw = node.id;
if ( typeof raw !== 'string' || raw.length === 0 ) { return; }
out.push(hashFromStr(0x23 /* '#' */, raw.trim()));
const hash = hashFromStr(0x23 /* '#' */, raw.trim());
const selectorList = genericSelectorMap.get(hash);
if ( selectorList === undefined ) { return; }
genericSelectorMap.delete(hash);
out.push(selectorList);
};
// https://github.com/uBlockOrigin/uBlock-issues/discussions/2076
@ -92,7 +92,11 @@ const uBOL_classesFromNode = (node, out) => {
const token = s.slice(beg, end).trimEnd();
beg = end;
if ( token.length === 0 ) { continue; }
out.push(hashFromStr(0x2E /* '.' */, token));
const hash = hashFromStr(0x2E /* '.' */, token);
const selectorList = genericSelectorMap.get(hash);
if ( selectorList === undefined ) { continue; }
genericSelectorMap.delete(hash);
out.push(selectorList);
}
};
@ -131,25 +135,18 @@ const pendingNodes = {
const uBOL_processNodes = ( ) => {
const t0 = Date.now();
const hashes = [];
const nodes = [];
const deadline = t0 + maxSurveyTimeSlice;
for (;;) {
pendingNodes.next(nodes);
if ( nodes.length === 0 ) { break; }
for ( const node of nodes ) {
uBOL_idFromNode(node, hashes);
uBOL_classesFromNode(node, hashes);
uBOL_idFromNode(node, styleSheetSelectors);
uBOL_classesFromNode(node, styleSheetSelectors);
}
nodes.length = 0;
if ( performance.now() >= deadline ) { break; }
}
for ( const hash of hashes ) {
const selectorList = genericSelectorMap.get(hash);
if ( selectorList === undefined ) { continue; }
styleSheetSelectors.push(selectorList);
genericSelectorMap.delete(hash);
}
surveyCount += 1;
if ( styleSheetSelectors.length === 0 ) {
surveyMissCount += 1;