corrade-nucleus-nucleons – Blame information for rev 20

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Rev Author Line No. Line
20 office 1 "use strict";
2 module.exports = function(
3 Promise, INTERNAL, tryConvertToPromise, apiRejection) {
4 var util = require("./util");
5  
6 var raceLater = function (promise) {
7 return promise.then(function(array) {
8 return race(array, promise);
9 });
10 };
11  
12 function race(promises, parent) {
13 var maybePromise = tryConvertToPromise(promises);
14  
15 if (maybePromise instanceof Promise) {
16 return raceLater(maybePromise);
17 } else {
18 promises = util.asArray(promises);
19 if (promises === null)
20 return apiRejection("expecting an array or an iterable object but got " + util.classString(promises));
21 }
22  
23 var ret = new Promise(INTERNAL);
24 if (parent !== undefined) {
25 ret._propagateFrom(parent, 3);
26 }
27 var fulfill = ret._fulfill;
28 var reject = ret._reject;
29 for (var i = 0, len = promises.length; i < len; ++i) {
30 var val = promises[i];
31  
32 if (val === undefined && !(i in promises)) {
33 continue;
34 }
35  
36 Promise.cast(val)._then(fulfill, reject, undefined, ret, null);
37 }
38 return ret;
39 }
40  
41 Promise.race = function (promises) {
42 return race(promises, undefined);
43 };
44  
45 Promise.prototype.race = function () {
46 return race(this, undefined);
47 };
48  
49 };