// The deferred used on DOM ready
readyList,
- // Promise methods (with equivalent for invert)
- promiseMethods = {
- then: 0, // will be overwritten for invert
- done: "fail",
- fail: "done",
- isResolved: "isRejected",
- isRejected: "isResolved",
- promise: "invert",
- invert: "promise"
- },
+ // Promise methods
+ promiseMethods = "then done fail isResolved isRejected promise".split( " " ),
// The ready event handler
DOMContentLoaded,
jQuery.fn.init.prototype = jQuery.fn;
jQuery.extend = jQuery.fn.extend = function() {
- var options, name, src, copy, copyIsArray, clone,
+ var options, name, src, copy, copyIsArray, clone,
target = arguments[0] || {},
i = 1,
length = arguments.length,
Deferred: function( func ) {
var deferred = jQuery._Deferred(),
failDeferred = jQuery._Deferred(),
- promise,
- invert;
- // Add errorDeferred methods, then, promise and invert
+ promise;
+ // Add errorDeferred methods, then and promise
jQuery.extend( deferred, {
then: function( doneCallbacks, failCallbacks ) {
deferred.done( doneCallbacks ).fail( failCallbacks );
}
promise = obj = {};
}
- for( var methodName in promiseMethods ) {
- obj[ methodName ] = deferred[ methodName ];
- }
- return obj;
- },
- // Get the invert promise for this deferred
- // If obj is provided, the invert promise aspect is added to the object
- invert: function( obj ) {
- if ( obj == null ) {
- if ( invert ) {
- return invert;
- }
- invert = obj = {};
- }
- for( var methodName in promiseMethods ) {
- obj[ methodName ] = promiseMethods[ methodName ] && deferred[ promiseMethods[methodName] ];
+ var i = promiseMethods.length;
+ while( i-- ) {
+ obj[ promiseMethods[ i ] ] = deferred[ promiseMethods[ i ] ];
}
- obj.then = invert.then || function( doneCallbacks, failCallbacks ) {
- deferred.done( failCallbacks ).fail( doneCallbacks );
- return this;
- };
return obj;
}
} );