src/wrap.js

   1 define([
   2         "./core",
   3         "./core/init",
   4         "./manipulation", // clone
   5         "./traversing" // parent, contents
   6 ], function( jQuery ) {
   7
   8 jQuery.fn.extend({
   9         wrapAll: function( html ) {
  10                 var wrap;
  11
  12                 if ( this[ 0 ] ) {
  13                         if ( jQuery.isFunction( html ) ) {
  14                                 html = html.call( this[ 0 ] );
  15                         }
  16
  17                         // The elements to wrap the target around
  18                         wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
  19
  20                         if ( this[ 0 ].parentNode ) {
  21                                 wrap.insertBefore( this[ 0 ] );
  22                         }
  23
  24                         wrap.map(function() {
  25                                 var elem = this;
  26
  27                                 while ( elem.firstElementChild ) {
  28                                         elem = elem.firstElementChild;
  29                                 }
  30
  31                                 return elem;
  32                         }).append( this );
  33                 }
  34
  35                 return this;
  36         },
  37
  38         wrapInner: function( html ) {
  39                 if ( jQuery.isFunction( html ) ) {
  40                         return this.each(function( i ) {
  41                                 jQuery( this ).wrapInner( html.call(this, i) );
  42                         });
  43                 }
  44
  45                 return this.each(function() {
  46                         var self = jQuery( this ),
  47                                 contents = self.contents();
  48
  49                         if ( contents.length ) {
  50                                 contents.wrapAll( html );
  51
  52                         } else {
  53                                 self.append( html );
  54                         }
  55                 });
  56         },
  57
  58         wrap: function( html ) {
  59                 var isFunction = jQuery.isFunction( html );
  60
  61                 return this.each(function( i ) {
  62                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
  63                 });
  64         },
  65
  66         unwrap: function() {
  67                 return this.parent().each(function() {
  68                         if ( !jQuery.nodeName( this, "body" ) ) {
  69                                 jQuery( this ).replaceWith( this.childNodes );
  70                         }
  71                 }).end();
  72         }
  73 });
  74
  75 return jQuery;
  76 });