X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=src%2Ftraversing.js;h=90601df55cddfeb8d2e535674f132d1f0d8b787a;hp=59110b096240a42a9646074215f6f07d7f48f347;hb=9d306bd73bb47562cd52f0fc4cc158c534cfdfdf;hpb=bca576550249e9b79b1097669dff6d4ddd0d65cf

diff --git a/src/traversing.js b/src/traversing.js
index 59110b0..90601df 100644
--- a/src/traversing.js
+++ b/src/traversing.js
@@ -5,11 +5,20 @@ var runtil = /Until$/,
 	// Note: This RegExp should be improved, or likely pulled from Sizzle
 	rmultiselector = /,/,
 	isSimple = /^.[^:#\[\.,]*$/,
-	slice = Array.prototype.slice;
+	slice = Array.prototype.slice,
+	POS = jQuery.expr.match.POS,
+	// methods guaranteed to produce a unique set when starting from a unique set
+	guaranteedUnique = {
+		children: true,
+		contents: true,
+		next: true,
+		prev: true
+	};
 
 jQuery.fn.extend({
 	find: function( selector ) {
-		var ret = this.pushStack( "", "find", selector ), length = 0;
+		var ret = this.pushStack( "", "find", selector ),
+			length = 0;
 
 		for ( var i = 0, l = this.length; i < l; i++ ) {
 			length = ret.length;
@@ -49,21 +58,25 @@ jQuery.fn.extend({
 	filter: function( selector ) {
 		return this.pushStack( winnow(this, selector, true), "filter", selector );
 	},
-	
+
 	is: function( selector ) {
 		return !!selector && jQuery.filter( selector, this ).length > 0;
 	},
 
 	closest: function( selectors, context ) {
+		var ret = [], i, l, cur = this[0];
+
 		if ( jQuery.isArray( selectors ) ) {
-			var ret = [], cur = this[0], match, matches = {}, selector, level = 1;
+			var match, selector,
+				matches = {},
+				level = 1;
 
 			if ( cur && selectors.length ) {
-				for ( var i = 0, l = selectors.length; i < l; i++ ) {
+				for ( i = 0, l = selectors.length; i < l; i++ ) {
 					selector = selectors[i];
 
 					if ( !matches[selector] ) {
-						matches[selector] = jQuery.expr.match.POS.test( selector ) ? 
+						matches[selector] = jQuery.expr.match.POS.test( selector ) ?
 							jQuery( selector, context || this.context ) :
 							selector;
 					}
@@ -77,6 +90,7 @@ jQuery.fn.extend({
 							ret.push({ selector: selector, elem: cur, level: level });
 						}
 					}
+
 					cur = cur.parentNode;
 					level++;
 				}
@@ -85,20 +99,31 @@ jQuery.fn.extend({
 			return ret;
 		}
 
-		var pos = jQuery.expr.match.POS.test( selectors ) ? 
+		var pos = POS.test( selectors ) ?
 			jQuery( selectors, context || this.context ) : null;
 
-		return this.map(function( i, cur ) {
-			while ( cur && cur.ownerDocument && cur !== context ) {
-				if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selectors) ) {
-					return cur;
+		for ( i = 0, l = this.length; i < l; i++ ) {
+			cur = this[i];
+
+			while ( cur ) {
+				if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
+					ret.push( cur );
+					break;
+
+				} else {
+					cur = cur.parentNode;
+					if ( !cur || !cur.ownerDocument || cur === context ) {
+						break;
+					}
 				}
-				cur = cur.parentNode;
 			}
-			return null;
-		});
+		}
+
+		ret = ret.length > 1 ? jQuery.unique(ret) : ret;
+
+		return this.pushStack( ret, "closest", selectors );
 	},
-	
+
 	// Determine the position of an element within
 	// the matched set of elements
 	index: function( elem ) {
@@ -116,7 +141,7 @@ jQuery.fn.extend({
 
 	add: function( selector, context ) {
 		var set = typeof selector === "string" ?
-				jQuery( selector, context || this.context ) :
+				jQuery( selector, context ) :
 				jQuery.makeArray( selector ),
 			all = jQuery.merge( this.get(), set );
 
@@ -178,8 +203,13 @@ jQuery.each({
 	}
 }, function( name, fn ) {
 	jQuery.fn[ name ] = function( until, selector ) {
-		var ret = jQuery.map( this, fn, until );
-		
+		var ret = jQuery.map( this, fn, until ),
+                // The variable 'args' was introduced in
+                // https://github.com/jquery/jquery/commit/52a0238
+                // to work around a bug in Chrome 10 (Dev) and should be removed when the bug is fixed.
+                // http://code.google.com/p/v8/issues/detail?id=1050
+                    args = slice.call(arguments);
+
 		if ( !runtil.test( name ) ) {
 			selector = until;
 		}
@@ -188,13 +218,13 @@ jQuery.each({
 			ret = jQuery.filter( selector, ret );
 		}
 
-		ret = this.length > 1 ? jQuery.unique( ret ) : ret;
+		ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
 
 		if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
 			ret = ret.reverse();
 		}
 
-		return this.pushStack( ret, name, slice.call(arguments).join(",") );
+		return this.pushStack( ret, name, args.join(",") );
 	};
 });
 
@@ -204,11 +234,15 @@ jQuery.extend({
 			expr = ":not(" + expr + ")";
 		}
 
-		return jQuery.find.matches(expr, elems);
+		return elems.length === 1 ?
+			jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
+			jQuery.find.matches(expr, elems);
 	},
-	
+
 	dir: function( elem, dir, until ) {
-		var matched = [], cur = elem[dir];
+		var matched = [],
+			cur = elem[ dir ];
+
 		while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
 			if ( cur.nodeType === 1 ) {
 				matched.push( cur );