lower verbosity of CSS rules where possible

This commit is contained in:
gorhill 2015-03-20 18:38:28 -04:00
parent 5424fcab29
commit ede4036c35
1 changed files with 15 additions and 8 deletions

View File

@ -376,16 +376,17 @@ var cosmeticFilterFromElement = function(elem, out) {
}
// Class(es)
v = typeof elem.className === 'string' && elem.className.trim();
if ( v.length ) {
v = v.split(/\s+/);
i = v.length;
while ( i-- ) {
v[i] = CSS.escape(v[i]);
if ( suffix.length === 0 ) {
v = elem.classList;
if ( v ) {
i = v.length || 0;
while ( i-- ) {
suffix.push('.' + CSS.escape(v.item(i)));
}
}
suffix.push('.', v.join('.'));
}
// Tag name
if ( suffix.length === 0 ) {
prefix = tagName;
}
@ -455,11 +456,17 @@ var cosmeticFilterFromElement = function(elem, out) {
var filtersFromElement = function(elem) {
netFilterCandidates.length = 0;
cosmeticFilterCandidates.length = 0;
while ( elem && elem !== document.documentElement ) {
while ( elem && elem !== document.body ) {
netFilterFromElement(elem, netFilterCandidates);
cosmeticFilterFromElement(elem, cosmeticFilterCandidates);
elem = elem.parentNode;
}
// The body tag is needed as anchor only when the immediate child
// uses`nth-of-type`.
var i = cosmeticFilterCandidates.length;
if ( i !== 0 && cosmeticFilterCandidates[i-1].indexOf(':nth-of-type(') !== -1 ) {
cosmeticFilterCandidates.push('##body');
}
};
/******************************************************************************/