A lite version of Slick.Finder for modern browsers/mobile.

Slick.Finder-lite.js

/*
---
name: Slick.Finder
description: The new, superfast css selector engine.
provides: Slick.Finder
requires: Slick.Parser
...
*/

(function(){

// Slick

var Slick = (this.Slick || {});

Slick.version = '1.1.6-light';

// Slick finder

Slick.search = function(context, expression, append){
	var result = context.querySelectorAll(expression);
	if (!append || !append.push) return result;
	for (var i = 0; i < result.length; i++) append.push(result[i]);
	return append;
};

Slick.find = function(context, expression){
	return context.querySelector(expression);
};

// Slick containment checker

Slick.contains = function(container, node){
	return container.contains(node);
};

// Slick attribute getter

Slick.getAttribute = function(node, name){
	return node.getAttribute(name);
};

Slick.hasAttribute = function(node, name){
	return node.hasAttribute(name);
};

// Slick matcher

var documentElement = document.documentElement,
	matchesSelectors = ['matchesSelector', 'webkitMatchesSelector', 'mozMatchesSelector'],
	matchesSelector;

for (var i = 0; i < matchesSelectors.length; i++){
	if (typeof documentElement[matchesSelectors[i]] != 'undefined'){
		matchesSelector = matchesSelectors[i];
		break;
	}
}

Slick.match = function(node, selector){
	if (!(node && selector)) return false;
	if (!selector || selector === node) return true;
	return node[matchesSelector](selector);
};

// Slick attribute accessor

Slick.defineAttributeGetter = function(name, fn){
	// unimplemented
	return this;
};

Slick.lookupAttributeGetter = function(name){
	// unimplemented
	return null;
};

// Slick pseudo accessor

Slick.definePseudo = function(name, fn){
	// unimplemented
	return this;
};

Slick.lookupPseudo = function(name){
	// unimplemented
	return null;
};

// Slick overrides accessor

Slick.override = function(regexp, fn){
	// unimplemented
	return this;
};

Slick.isXML = function(){
	// unimplemented
	return false;
};

var uidx = 1;

Slick.uidOf = function(node){
	return node.uniqueNumber || (node.uniqueNumber = uidx++);
};

if (!this.Slick) this.Slick = Slick;

})();