define(["./core", "./var/indexOf", "./traversing/var/dir", "./traversing/var/siblings", "./traversing/var/rneedsContext", "./core/init", "./traversing/findFilter", "./selector"] , function (jQuery, indexOf, dir, siblings, rneedsContext){ 
var rparentsprev = /^(?:parents|prev(?:Until|All))/, guaranteedUnique = { 
children: true ,
contents: true ,
next: true ,
prev: true }
; 
jQuery.fn.extend({ 
has: function (target){ 
var targets = jQuery(target, this), l = _AN_Read_length("length", targets); 
return this.filter(function (){ 
var i = 0; 
for (; i < l; i++ ){ 
if (jQuery.contains(this, targets[i])) { 
return true ; 
} 
} 
} 
); 
} 
,
closest: function (selectors, context){ 
var cur, i = 0, l = _AN_Read_length("length", this), matched = [] , pos = rneedsContext.test(selectors) || typeof selectors !== "string"? jQuery(selectors, context || this.context): 0; 
for (; i < l; i++ ){ 
for (cur = this[i]; cur && cur !== context; cur = cur.parentNode){ 
if (cur.nodeType < 11 && (pos? pos.index(cur) > -1: cur.nodeType === 1 && jQuery.find.matchesSelector(cur, selectors))) { 
matched.push(cur); 
break ; 
} 
} 
} 
return this.pushStack(_AN_Read_length("length", matched) > 1? jQuery.uniqueSort(matched): matched); 
} 
,
index: function (elem){ 
if (!elem) { 
return (this[0] && this[0].parentNode)? _AN_Read_length("length", this.first().prevAll()): -1; 
} 
if (typeof elem === "string") { 
return indexOf.call(jQuery(elem), this[0]); 
} 
return indexOf.call(this, elem.jquery? elem[0]: elem); 
} 
,
add: function (selector, context){ 
return this.pushStack(jQuery.uniqueSort(jQuery.merge(this.get(), jQuery(selector, context)))); 
} 
,
addBack: function (selector){ 
return this.add(selector == null ? this.prevObject: this.prevObject.filter(selector)); 
} 
}
); 
function sibling(cur, dir){ 
while ((cur = cur[dir]) && cur.nodeType !== 1){ 
} 
return cur; 
} 
jQuery.each({ 
parent: function (elem){ 
var parent = elem.parentNode; 
return parent && parent.nodeType !== 11? parent: null ; 
} 
,
parents: function (elem){ 
return dir(elem, "parentNode"); 
} 
,
parentsUntil: function (elem, i, until){ 
return dir(elem, "parentNode", until); 
} 
,
next: function (elem){ 
return sibling(elem, "nextSibling"); 
} 
,
prev: function (elem){ 
return sibling(elem, "previousSibling"); 
} 
,
nextAll: function (elem){ 
return dir(elem, "nextSibling"); 
} 
,
prevAll: function (elem){ 
return dir(elem, "previousSibling"); 
} 
,
nextUntil: function (elem, i, until){ 
return dir(elem, "nextSibling", until); 
} 
,
prevUntil: function (elem, i, until){ 
return dir(elem, "previousSibling", until); 
} 
,
siblings: function (elem){ 
return siblings((elem.parentNode || { 
}
).firstChild, elem); 
} 
,
children: function (elem){ 
return siblings(elem.firstChild); 
} 
,
contents: function (elem){ 
return elem.contentDocument || jQuery.merge([] , elem.childNodes); 
} 
}
, function (name, fn){ 
jQuery.fn[name] = function (until, selector){ 
var matched = jQuery.map(this, fn, until); 
if (name.slice(-5) !== "Until") { 
selector = until; 
} 
if (selector && typeof selector === "string") { 
matched = jQuery.filter(selector, matched); 
} 
if (_AN_Read_length("length", this) > 1) { 
if (!guaranteedUnique[name]) { 
jQuery.uniqueSort(matched); 
} 
if (rparentsprev.test(name)) { 
matched.reverse(); 
} 
} 
return this.pushStack(matched); 
} 
; 
} 
); 
return jQuery; 
} 
);