src/wrap.js

   1 define( [
   2         "./core",
   3         "./var/isFunction",
   4         "./core/init",
   5         "./manipulation", // clone
   6         "./traversing" // parent, contents
   7 ], function( jQuery, isFunction ) {
   8
   9 "use strict";
  10
  11 jQuery.fn.extend( {
  12         wrapAll: function( html ) {
  13                 var wrap;
  14
  15                 if ( this[ 0 ] ) {
  16                         if ( isFunction( html ) ) {
  17                                 html = html.call( this[ 0 ] );
  18                         }
  19
  20                         // The elements to wrap the target around
  21                         wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
  22
  23                         if ( this[ 0 ].parentNode ) {
  24                                 wrap.insertBefore( this[ 0 ] );
  25                         }
  26
  27                         wrap.map( function() {
  28                                 var elem = this;
  29
  30                                 while ( elem.firstElementChild ) {
  31                                         elem = elem.firstElementChild;
  32                                 }
  33
  34                                 return elem;
  35                         } ).append( this );
  36                 }
  37
  38                 return this;
  39         },
  40
  41         wrapInner: function( html ) {
  42                 if ( isFunction( html ) ) {
  43                         return this.each( function( i ) {
  44                                 jQuery( this ).wrapInner( html.call( this, i ) );
  45                         } );
  46                 }
  47
  48                 return this.each( function() {
  49                         var self = jQuery( this ),
  50                                 contents = self.contents();
  51
  52                         if ( contents.length ) {
  53                                 contents.wrapAll( html );
  54
  55                         } else {
  56                                 self.append( html );
  57                         }
  58                 } );
  59         },
  60
  61         wrap: function( html ) {
  62                 var htmlIsFunction = isFunction( html );
  63
  64                 return this.each( function( i ) {
  65                         jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
  66                 } );
  67         },
  68
  69         unwrap: function( selector ) {
  70                 this.parent( selector ).not( "body" ).each( function() {
  71                         jQuery( this ).replaceWith( this.childNodes );
  72                 } );
  73                 return this;
  74         }
  75 } );
  76
  77 return jQuery;
  78 } );