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this addresses #693

This commit is contained in:
gorhill 2015-09-08 08:45:22 -04:00
parent 06f7e3c711
commit 7177d8d0ff
1 changed files with 13 additions and 11 deletions
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24
src/js/cosmetic-filtering.js
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@ -564,26 +564,28 @@ FilterContainer.prototype.reset = function() {
// https://github.com/chrisaljoudi/uBlock/issues/1004
// Detect and report invalid CSS selectors.
FilterContainer.prototype.div = document.createElement('div');
FilterContainer.prototype.isValidSelector = (function() {
var div = document.createElement('div');
// Not all browsers support `Element.matches`:
// http://caniuse.com/#feat=matchesselector
// Not all browsers support `Element.matches`:
// http://caniuse.com/#feat=matchesselector
if ( typeof div.matches !== 'function' ) {
return function() {
return true;
};
}
if ( typeof FilterContainer.prototype.div.matches === 'function' ) {
FilterContainer.prototype.isValidSelector = function(s) {
return function(s) {
try {
this.div.matches(s);
// https://github.com/gorhill/uBlock/issues/693
div.matches(s + ',\n#foo');
} catch (e) {
console.error('uBlock> invalid cosmetic filter:', s);
return false;
}
return true;
};
} else {
FilterContainer.prototype.isValidSelector = function() {
return true;
};
}
})();
/******************************************************************************/