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Widget: Fixed $.widget.extend() to never copy objects by reference.

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This commit is contained in:
Scott González 2012-10-23 11:45:16 -04:00
parent d535f6869f
commit 5e0a2ca1e5
1 changed files with 8 additions and 3 deletions
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11
ui/jquery.ui.widget.js vendored
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@ -142,9 +142,14 @@ $.widget.extend = function( target ) {
for ( ; inputIndex < inputLength; inputIndex++ ) { for ( ; inputIndex < inputLength; inputIndex++ ) {
for ( key in input[ inputIndex ] ) { for ( key in input[ inputIndex ] ) {
value = input[ inputIndex ][ key ]; value = input[ inputIndex ][ key ];
if (input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) { if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
if ( $.isPlainObject( value ) && $.isPlainObject( target[ key ] ) ) { // Clone objects
target[ key ] = $.widget.extend( {}, target[ key ], value ); if ( $.isPlainObject( value ) ) {
target[ key ] = $.isPlainObject( target[ key ] ) ?
$.widget.extend( {}, target[ key ], value ) :
// Don't extend strings, arrays, etc. with objects
$.widget.extend( {}, value );
// Copy everything else by reference
} else { } else {
target[ key ] = value; target[ key ] = value;
} }