define( [

  	"./core",
  	"./core/init",
  	"./manipulation", // clone
  	"./traversing" // parent, contents
  ], function( jQuery ) {

  "use strict";
  
  jQuery.fn.extend( {

  	wrapAll: function( html ) {

  		var wrap;
  
  		if ( this[ 0 ] ) {
  			if ( jQuery.isFunction( html ) ) {
  				html = html.call( this[ 0 ] );
  			}

  			// The elements to wrap the target around

  			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );

  			if ( this[ 0 ].parentNode ) {
  				wrap.insertBefore( this[ 0 ] );

  			}

  			wrap.map( function() {

  				var elem = this;

  				while ( elem.firstElementChild ) {
  					elem = elem.firstElementChild;

  				}
  
  				return elem;

  			} ).append( this );

  		}
  
  		return this;
  	},
  
  	wrapInner: function( html ) {
  		if ( jQuery.isFunction( html ) ) {

  			return this.each( function( i ) {
  				jQuery( this ).wrapInner( html.call( this, i ) );
  			} );

  		}

  		return this.each( function() {

  			var self = jQuery( this ),
  				contents = self.contents();
  
  			if ( contents.length ) {
  				contents.wrapAll( html );
  
  			} else {
  				self.append( html );
  			}

  		} );

  	},
  
  	wrap: function( html ) {
  		var isFunction = jQuery.isFunction( html );

  		return this.each( function( i ) {
  			jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );
  		} );

  	},

  	unwrap: function( selector ) {
  		this.parent( selector ).not( "body" ).each( function() {
  			jQuery( this ).replaceWith( this.childNodes );
  		} );
  		return this;

  	}

  } );

  
  return jQuery;

  } );