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/**
* Copyright (c) 2014 Petka Antonov
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:</p>
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
"use strict";
module.exports = function(Promise, INTERNAL) {
var apiRejection = require("./errors_api_rejection.js")(Promise);
var isArray = require("./util.js").isArray;
var raceLater = function Promise$_raceLater(promise) {
return promise.then(function Promise$_lateRacer(array) {
return Promise$_Race(array, Promise$_lateRacer, promise);
});
};
var hasOwn = {}.hasOwnProperty;
function Promise$_Race(promises, caller, parent) {
var maybePromise = Promise._cast(promises, caller, void 0);
if (Promise.is(maybePromise)) {
return raceLater(maybePromise);
}
else if (!isArray(promises)) {
return apiRejection("expecting an array, a promise or a thenable");
}
var ret = new Promise(INTERNAL);
ret._setTrace(caller, parent);
if (parent !== void 0) {
if (parent._isBound()) {
ret._setBoundTo(parent._boundTo);
}
if (parent._cancellable()) {
ret._setCancellable();
ret._cancellationParent = parent;
}
}
var fulfill = ret._fulfill;
var reject = ret._reject;
for (var i = 0, len = promises.length; i < len; ++i) {
var val = promises[i];
if (val === void 0 && !(hasOwn.call(promises, i))) {
continue;
}
Promise.cast(val)._then(
fulfill,
reject,
void 0,
ret,
null,
caller
);
}
return ret;
}
Promise.race = function Promise$Race(promises) {
return Promise$_Race(promises, Promise.race, void 0);
};
Promise.prototype.race = function Promise$race() {
return Promise$_Race(this, this.race, void 0);
};
};
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