/** | |
* 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. | |
* | |
*/ | |
; | |
var TypeError = require("./errors.js").TypeError; | |
function PromiseInspection(promise) { | |
if (promise !== void 0) { | |
this._bitField = promise._bitField; | |
this._settledValue = promise.isResolved() | |
? promise._settledValue | |
: void 0; | |
} | |
else { | |
this._bitField = 0; | |
this._settledValue = void 0; | |
} | |
} | |
PromiseInspection.prototype.isFulfilled = | |
function PromiseInspection$isFulfilled() { | |
return (this._bitField & 268435456) > 0; | |
}; | |
PromiseInspection.prototype.isRejected = | |
function PromiseInspection$isRejected() { | |
return (this._bitField & 134217728) > 0; | |
}; | |
PromiseInspection.prototype.isPending = function PromiseInspection$isPending() { | |
return (this._bitField & 402653184) === 0; | |
}; | |
PromiseInspection.prototype.value = function PromiseInspection$value() { | |
if (!this.isFulfilled()) { | |
throw new TypeError("cannot get fulfillment value of a non-fulfilled promise"); | |
} | |
return this._settledValue; | |
}; | |
PromiseInspection.prototype.error = function PromiseInspection$error() { | |
if (!this.isRejected()) { | |
throw new TypeError("cannot get rejection reason of a non-rejected promise"); | |
} | |
return this._settledValue; | |
}; | |
module.exports = PromiseInspection; | |