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Reduce traversing module
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Oleg
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c928ed432a
commit
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@ -12,12 +12,13 @@ var runtil = /Until$/,
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jQuery.fn.extend({
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find: function( selector ) {
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var i, ret, self;
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var self, matched, i,
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l = this.length;
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if ( typeof selector !== "string" ) {
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self = this;
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return this.pushStack( jQuery( selector ).filter(function() {
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for ( i = 0; i < self.length; i++ ) {
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for ( i = 0; i < l; i++ ) {
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if ( jQuery.contains( self[ i ], this ) ) {
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return true;
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}
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@ -25,24 +26,24 @@ jQuery.fn.extend({
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}) );
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}
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ret = [];
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for ( i = 0; i < this.length; i++ ) {
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jQuery.find( selector, this[ i ], ret );
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matched = [];
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for ( i = 0; i < l; i++ ) {
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jQuery.find( selector, this[ i ], matched );
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}
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// Needed because $( selector, context ) becomes $( context ).find( selector )
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ret = this.pushStack( jQuery.unique( ret ) );
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ret.selector = ( this.selector ? this.selector + " " : "" ) + selector;
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return ret;
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matched = this.pushStack( jQuery.unique( matched ) );
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matched.selector = ( this.selector ? this.selector + " " : "" ) + selector;
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return matched;
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},
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has: function( target ) {
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var i,
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targets = jQuery( target, this ),
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len = targets.length;
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var targets = jQuery( target, this ),
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l = targets.length;
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return this.filter(function() {
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for ( i = 0; i < len; i++ ) {
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var i = 0;
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for ( ; i < l; i++ ) {
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if ( jQuery.contains( this, targets[i] ) ) {
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return true;
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}
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@ -64,33 +65,32 @@ jQuery.fn.extend({
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// If this is a positional/relative selector, check membership in the returned set
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// so $("p:first").is("p:last") won't return true for a doc with two "p".
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rneedsContext.test( selector ) ?
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jQuery( selector, this.context ).index( this[0] ) >= 0 :
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jQuery( selector, this.context ).index( this[ 0 ] ) >= 0 :
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jQuery.filter( selector, this ).length > 0 :
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this.filter( selector ).length > 0 );
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},
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closest: function( selectors, context ) {
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var cur,
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i = 0,
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var cur, i = 0,
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l = this.length,
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ret = [],
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pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
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matched = [],
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pos = ( rneedsContext.test( selectors ) || typeof selectors !== "string" ) ?
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jQuery( selectors, context || this.context ) :
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0;
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for ( ; i < l; i++ ) {
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cur = this[i];
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cur = this[ i ];
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while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) {
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if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
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ret.push( cur );
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while ( cur && cur.ownerDocument && cur !== context ) {
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if ( pos ? pos.index( cur ) > -1 : jQuery.find.matchesSelector( cur, selectors ) ) {
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matched.push( cur );
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break;
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}
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cur = cur.parentNode;
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cur = cur.parentElement;
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}
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}
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return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
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return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
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},
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// Determine the position of an element within
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@ -99,18 +99,20 @@ jQuery.fn.extend({
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// No argument, return index in parent
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if ( !elem ) {
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return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
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return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
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}
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// index in selector
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if ( typeof elem === "string" ) {
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return jQuery.inArray( this[0], jQuery( elem ) );
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return core_indexOf.call( jQuery( elem ), this[ 0 ] );
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}
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// Locate the position of the desired element
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return jQuery.inArray(
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return core_indexOf.call( this,
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// If it receives a jQuery object, the first element is used
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elem.jquery ? elem[0] : elem, this );
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elem.jquery ? elem[ 0 ] : elem
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);
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},
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add: function( selector, context ) {
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@ -131,48 +133,42 @@ jQuery.fn.extend({
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jQuery.fn.andSelf = jQuery.fn.addBack;
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function sibling( cur, dir ) {
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do {
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cur = cur[ dir ];
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} while ( cur && cur.nodeType !== 1 );
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return cur;
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}
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jQuery.each({
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parent: function( elem ) {
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var parent = elem.parentNode;
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return parent && parent.nodeType !== 11 ? parent : null;
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return elem.parentElement;
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},
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parents: function( elem ) {
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return jQuery.dir( elem, "parentNode" );
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return jQuery.dir( elem, "parentElement" );
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},
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parentsUntil: function( elem, i, until ) {
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return jQuery.dir( elem, "parentNode", until );
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return jQuery.dir( elem, "parentElement", until );
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},
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next: function( elem ) {
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return sibling( elem, "nextSibling" );
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return elem.nextElementSibling;
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},
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prev: function( elem ) {
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return sibling( elem, "previousSibling" );
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return elem.previousElementSibling;
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},
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nextAll: function( elem ) {
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return jQuery.dir( elem, "nextSibling" );
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return jQuery.dir( elem, "nextElementSibling" );
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},
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prevAll: function( elem ) {
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return jQuery.dir( elem, "previousSibling" );
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return jQuery.dir( elem, "previousElementSibling" );
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},
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nextUntil: function( elem, i, until ) {
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return jQuery.dir( elem, "nextSibling", until );
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return jQuery.dir( elem, "nextElementSibling", until );
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},
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prevUntil: function( elem, i, until ) {
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return jQuery.dir( elem, "previousSibling", until );
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return jQuery.dir( elem, "previousElementSibling", until );
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},
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siblings: function( elem ) {
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return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
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},
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children: function( elem ) {
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return jQuery.sibling( elem.firstChild );
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var children = elem.children;
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// documentFragment or document does not have children property
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return children ? jQuery.merge( [], children ) : jQuery.sibling( elem.firstChild );
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},
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contents: function( elem ) {
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return jQuery.nodeName( elem, "iframe" ) ?
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@ -181,23 +177,27 @@ jQuery.each({
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}
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}, function( name, fn ) {
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jQuery.fn[ name ] = function( until, selector ) {
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var ret = jQuery.map( this, fn, until );
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var matched = jQuery.map( this, fn, until );
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if ( !runtil.test( name ) ) {
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selector = until;
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}
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if ( selector && typeof selector === "string" ) {
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ret = jQuery.filter( selector, ret );
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matched = jQuery.filter( selector, matched );
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}
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ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
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if ( this.length > 1 ) {
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if ( !guaranteedUnique[ name ] ) {
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jQuery.unique( matched );
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}
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if ( this.length > 1 && rparentsprev.test( name ) ) {
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ret = ret.reverse();
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if ( rparentsprev.test( name ) ) {
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matched.reverse();
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}
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}
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return this.pushStack( ret );
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return this.pushStack( matched );
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};
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});
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@ -208,33 +208,32 @@ jQuery.extend({
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}
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return elems.length === 1 ?
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jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
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jQuery.find.matches(expr, elems);
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jQuery.find.matchesSelector( elems[ 0 ], expr ) ? [ elems[ 0 ] ] : [] :
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jQuery.find.matches( expr, elems );
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},
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dir: function( elem, dir, until ) {
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var matched = [],
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cur = elem[ dir ];
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var cur = elem[ dir ],
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matched = [];
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while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
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if ( cur.nodeType === 1 ) {
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matched.push( cur );
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}
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cur = cur[dir];
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while ( cur && ( !until || !jQuery( cur ).is( until ) ) ) {
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matched.push( cur );
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cur = cur[ dir ];
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}
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return matched;
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},
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sibling: function( n, elem ) {
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var r = [];
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var matched = [];
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for ( ; n; n = n.nextSibling ) {
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if ( n.nodeType === 1 && n !== elem ) {
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r.push( n );
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matched.push( n );
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}
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}
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return r;
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return matched;
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}
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});
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@ -245,30 +244,34 @@ function winnow( elements, qualifier, keep ) {
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// Set to 0 to skip string check
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qualifier = qualifier || 0;
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var filtered;
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if ( jQuery.isFunction( qualifier ) ) {
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return jQuery.grep(elements, function( elem, i ) {
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var retVal = !!qualifier.call( elem, i, elem );
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return retVal === keep;
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});
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}
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} else if ( qualifier.nodeType ) {
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if ( qualifier.nodeType ) {
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return jQuery.grep(elements, function( elem ) {
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return ( elem === qualifier ) === keep;
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});
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}
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} else if ( typeof qualifier === "string" ) {
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var filtered = jQuery.grep(elements, function( elem ) {
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if ( typeof qualifier === "string" ) {
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filtered = jQuery.grep(elements, function( elem ) {
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return elem.nodeType === 1;
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});
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if ( isSimple.test( qualifier ) ) {
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return jQuery.filter(qualifier, filtered, !keep);
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} else {
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qualifier = jQuery.filter( qualifier, filtered );
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return jQuery.filter( qualifier, filtered, !keep );
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}
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qualifier = jQuery.filter( qualifier, filtered );
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}
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return jQuery.grep(elements, function( elem ) {
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return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
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return ( core_indexOf.call( qualifier, elem ) >= 0 ) === keep;
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});
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}
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@ -658,10 +658,15 @@ test("eq('-1') #10616", function() {
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});
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test("index(no arg) #10977", function() {
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expect(1);
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expect(2);
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var $list = jQuery("<ul id='indextest'><li>THIS ONE</li><li class='one'>a</li><li class='two'>b</li><li class='three'>c</li></ul>");
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jQuery("#qunit-fixture").append( $list );
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strictEqual ( jQuery( "#indextest li:not(.one,.two)" ).index() , 0, "No Argument Index Check" );
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$list.remove();
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var fragment = document.createDocumentFragment(),
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div = fragment.appendChild( document.createElement("div") );
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equal( jQuery( div ).index(), 0, "If jQuery#index called on element whos parent is fragment, it still should work correctly" );
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});
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