77 lines
2.0 KiB
JavaScript
77 lines
2.0 KiB
JavaScript
|
define("dojo/promise/all", [
|
||
|
|
"../_base/array",
|
||
|
|
"../Deferred",
|
||
|
|
"../when"
|
||
|
|
], function(array, Deferred, when){
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
// module:
|
||
|
|
// dojo/promise/all
|
||
|
|
|
||
|
|
var some = array.some;
|
||
|
|
|
||
|
|
return function all(objectOrArray){
|
||
|
|
// summary:
|
||
|
|
// Takes multiple promises and returns a new promise that is fulfilled
|
||
|
|
// when all promises have been fulfilled.
|
||
|
|
// description:
|
||
|
|
// Takes multiple promises and returns a new promise that is fulfilled
|
||
|
|
// when all promises have been fulfilled. If one of the promises is rejected,
|
||
|
|
// the returned promise is also rejected. Canceling the returned promise will
|
||
|
|
// *not* cancel any passed promises.
|
||
|
|
// objectOrArray: Object|Array?
|
||
|
|
// The promise will be fulfilled with a list of results if invoked with an
|
||
|
|
// array, or an object of results when passed an object (using the same
|
||
|
|
// keys). If passed neither an object or array it is resolved with an
|
||
|
|
// undefined value.
|
||
|
|
// returns: dojo/promise/Promise
|
||
|
|
|
||
|
|
var object, array;
|
||
|
|
if(objectOrArray instanceof Array){
|
||
|
|
array = objectOrArray;
|
||
|
|
}else if(objectOrArray && typeof objectOrArray === "object"){
|
||
|
|
object = objectOrArray;
|
||
|
|
}
|
||
|
|
|
||
|
|
var results;
|
||
|
|
var keyLookup = [];
|
||
|
|
if(object){
|
||
|
|
array = [];
|
||
|
|
for(var key in object){
|
||
|
|
if(Object.hasOwnProperty.call(object, key)){
|
||
|
|
keyLookup.push(key);
|
||
|
|
array.push(object[key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
results = {};
|
||
|
|
}else if(array){
|
||
|
|
results = [];
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!array || !array.length){
|
||
|
|
return new Deferred().resolve(results);
|
||
|
|
}
|
||
|
|
|
||
|
|
var deferred = new Deferred();
|
||
|
|
deferred.promise.always(function(){
|
||
|
|
results = keyLookup = null;
|
||
|
|
});
|
||
|
|
var waiting = array.length;
|
||
|
|
some(array, function(valueOrPromise, index){
|
||
|
|
if(!object){
|
||
|
|
keyLookup.push(index);
|
||
|
|
}
|
||
|
|
when(valueOrPromise, function(value){
|
||
|
|
if(!deferred.isFulfilled()){
|
||
|
|
results[keyLookup[index]] = value;
|
||
|
|
if(--waiting === 0){
|
||
|
|
deferred.resolve(results);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}, deferred.reject);
|
||
|
|
return deferred.isFulfilled();
|
||
|
|
});
|
||
|
|
return deferred.promise; // dojo/promise/Promise
|
||
|
|
};
|
||
|
|
});
|