corrade-nucleus-nucleons – Rev 20

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define([
        "./core",
        "./var/indexOf",
        "./traversing/var/rneedsContext",
        "./core/init",
        "./traversing/findFilter",
        "./selector"
], function( jQuery, indexOf, rneedsContext ) {

var rparentsprev = /^(?:parents|prev(?:Until|All))/,
        // methods guaranteed to produce a unique set when starting from a unique set
        guaranteedUnique = {
                children: true,
                contents: true,
                next: true,
                prev: true
        };

jQuery.extend({
        dir: function( elem, dir, until ) {
                var matched = [],
                        truncate = until !== undefined;

                while ( (elem = elem[ dir ]) && elem.nodeType !== 9 ) {
                        if ( elem.nodeType === 1 ) {
                                if ( truncate && jQuery( elem ).is( until ) ) {
                                        break;
                                }
                                matched.push( elem );
                        }
                }
                return matched;
        },

        sibling: function( n, elem ) {
                var matched = [];

                for ( ; n; n = n.nextSibling ) {
                        if ( n.nodeType === 1 && n !== elem ) {
                                matched.push( n );
                        }
                }

                return matched;
        }
});

jQuery.fn.extend({
        has: function( target ) {
                var targets = jQuery( target, this ),
                        l = targets.length;

                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 = this.length,
                        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 ) {
                                // Always skip document fragments
                                if ( cur.nodeType < 11 && (pos ?
                                        pos.index(cur) > -1 :

                                        // Don't pass non-elements to Sizzle
                                        cur.nodeType === 1 &&
                                                jQuery.find.matchesSelector(cur, selectors)) ) {

                                        matched.push( cur );
                                        break;
                                }
                        }
                }

                return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
        },

        // Determine the position of an element within
        // the matched set of elements
        index: function( elem ) {

                // No argument, return index in parent
                if ( !elem ) {
                        return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
                }

                // index in selector
                if ( typeof elem === "string" ) {
                        return indexOf.call( jQuery( elem ), this[ 0 ] );
                }

                // Locate the position of the desired element
                return indexOf.call( this,

                        // If it receives a jQuery object, the first element is used
                        elem.jquery ? elem[ 0 ] : elem
                );
        },

        add: function( selector, context ) {
                return this.pushStack(
                        jQuery.unique(
                                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 jQuery.dir( elem, "parentNode" );
        },
        parentsUntil: function( elem, i, until ) {
                return jQuery.dir( elem, "parentNode", until );
        },
        next: function( elem ) {
                return sibling( elem, "nextSibling" );
        },
        prev: function( elem ) {
                return sibling( elem, "previousSibling" );
        },
        nextAll: function( elem ) {
                return jQuery.dir( elem, "nextSibling" );
        },
        prevAll: function( elem ) {
                return jQuery.dir( elem, "previousSibling" );
        },
        nextUntil: function( elem, i, until ) {
                return jQuery.dir( elem, "nextSibling", until );
        },
        prevUntil: function( elem, i, until ) {
                return jQuery.dir( elem, "previousSibling", until );
        },
        siblings: function( elem ) {
                return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
        },
        children: function( elem ) {
                return jQuery.sibling( 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 ( this.length > 1 ) {
                        // Remove duplicates
                        if ( !guaranteedUnique[ name ] ) {
                                jQuery.unique( matched );
                        }

                        // Reverse order for parents* and prev-derivatives
                        if ( rparentsprev.test( name ) ) {
                                matched.reverse();
                        }
                }

                return this.pushStack( matched );
        };
});

return jQuery;
});