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Code Issues Releases Wiki Activity

Disallow trailing CSS universal selector unless properly separated

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https://www.reddit.com/r/uBlockOrigin/comments/15tzgud/ads_on_twitterx_again/jwn8bkj/
This commit is contained in:
Raymond Hill 2023-08-20 10:41:43 -04:00
parent f9ba65b829
commit 393fd90f9d
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GPG Key ID: 25E1490B761470C2
1 changed files with 14 additions and 7 deletions
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21
src/js/static-filtering-parser.js
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@ -3437,11 +3437,11 @@ class ExtSelectorCompiler {
}
astAppendPart(part, out) {
const s = this.astSerializePart(part);
if ( s === undefined ) { return false; }
const { data } = part;
switch ( data.type ) {
case 'Combinator': {
const s = this.astSerializePart(part);
if ( s === undefined ) { return false; }
case 'Combinator':
if ( out.length === 0 ) {
if ( s !== ' ' ) {
out.push(s, ' ');
@ -3453,7 +3453,14 @@ class ExtSelectorCompiler {
}
}
break;
}
// csstree parses `.promoted*` as valid
case 'TypeSelector':
if ( s === '*' && out.length !== 0 ) {
const before = out[out.length-1];
if ( before.endsWith(' ') === false ) { return false; }
}
out.push('*');
break;
}
return true;
}
@ -3469,14 +3476,14 @@ class ExtSelectorCompiler {
case 'IdSelector':
case 'Nth':
case 'PseudoClassSelector':
case 'PseudoElementSelector':
case 'TypeSelector': {
case 'PseudoElementSelector': {
const s = this.astSerializePart(part);
if ( typeof s !== 'string' ) { return; }
if ( s === undefined ) { return; }
out.push(s);
break;
}
case 'Combinator':
case 'TypeSelector':
if ( this.astAppendPart(part, out) === false ) { return; }
break;
case 'Raw':