diff options
Diffstat (limited to 'src/deferred.js')
| -rw-r--r-- | src/deferred.js | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/src/deferred.js b/src/deferred.js index 90f9c8089..02f92b26c 100644 --- a/src/deferred.js +++ b/src/deferred.js @@ -1,7 +1,7 @@ (function( jQuery ) { var // Promise methods - promiseMethods = "then done fail isResolved isRejected promise".split( " " ), + promiseMethods = "done fail isResolved isRejected promise then always pipe".split( " " ), // Static reference to slice sliceDeferred = [].slice; @@ -100,10 +100,37 @@ jQuery.extend({ deferred.done( doneCallbacks ).fail( failCallbacks ); return this; }, + always: function() { + return deferred.done.apply( deferred, arguments ).fail.apply( this, arguments ); + }, fail: failDeferred.done, rejectWith: failDeferred.resolveWith, reject: failDeferred.resolve, isRejected: failDeferred.isResolved, + pipe: function( fnDone, fnFail ) { + return jQuery.Deferred(function( newDefer ) { + jQuery.each( { + done: [ fnDone, "resolve" ], + fail: [ fnFail, "reject" ] + }, function( handler, data ) { + var fn = data[ 0 ], + action = data[ 1 ], + returned; + if ( jQuery.isFunction( fn ) ) { + deferred[ handler ](function() { + returned = fn.apply( this, arguments ); + if ( jQuery.isFunction( returned.promise ) ) { + returned.promise().then( newDefer.resolve, newDefer.reject ); + } else { + newDefer[ action ]( returned ); + } + }); + } else { + deferred[ handler ]( newDefer[ action ] ); + } + }); + }).promise(); + }, // Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { @@ -119,7 +146,7 @@ jQuery.extend({ } return obj; } - } ); + }); // Make sure only one callback list will be used deferred.done( failDeferred.cancel ).fail( deferred.cancel ); // Unexpose cancel @@ -169,4 +196,4 @@ jQuery.extend({ } }); -})( jQuery ); +})( jQuery );
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