| /** |
| * 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"; |
| var util = require("./util.js"); |
| var maybeWrapAsError = util.maybeWrapAsError; |
| var errors = require("./errors.js"); |
| var TimeoutError = errors.TimeoutError; |
| var RejectionError = errors.RejectionError; |
| var async = require("./async.js"); |
| var haveGetters = util.haveGetters; |
| var es5 = require("./es5.js"); |
| |
| function isUntypedError(obj) { |
| return obj instanceof Error && |
| es5.getPrototypeOf(obj) === Error.prototype; |
| } |
| |
| function wrapAsRejectionError(obj) { |
| var ret; |
| if (isUntypedError(obj)) { |
| ret = new RejectionError(obj); |
| } |
| else { |
| ret = obj; |
| } |
| errors.markAsOriginatingFromRejection(ret); |
| return ret; |
| } |
| |
| function nodebackForPromise(promise) { |
| function PromiseResolver$_callback(err, value) { |
| if (promise === null) return; |
| |
| if (err) { |
| var wrapped = wrapAsRejectionError(maybeWrapAsError(err)); |
| promise._attachExtraTrace(wrapped); |
| promise._reject(wrapped); |
| } |
| else { |
| if (arguments.length > 2) { |
| var $_len = arguments.length;var args = new Array($_len - 1); for(var $_i = 1; $_i < $_len; ++$_i) {args[$_i - 1] = arguments[$_i];} |
| promise._fulfill(args); |
| } |
| else { |
| promise._fulfill(value); |
| } |
| } |
| |
| promise = null; |
| } |
| return PromiseResolver$_callback; |
| } |
| |
| |
| var PromiseResolver; |
| if (!haveGetters) { |
| PromiseResolver = function PromiseResolver(promise) { |
| this.promise = promise; |
| this.asCallback = nodebackForPromise(promise); |
| this.callback = this.asCallback; |
| }; |
| } |
| else { |
| PromiseResolver = function PromiseResolver(promise) { |
| this.promise = promise; |
| }; |
| } |
| if (haveGetters) { |
| var prop = { |
| get: function() { |
| return nodebackForPromise(this.promise); |
| } |
| }; |
| es5.defineProperty(PromiseResolver.prototype, "asCallback", prop); |
| es5.defineProperty(PromiseResolver.prototype, "callback", prop); |
| } |
| |
| PromiseResolver._nodebackForPromise = nodebackForPromise; |
| |
| PromiseResolver.prototype.toString = function PromiseResolver$toString() { |
| return "[object PromiseResolver]"; |
| }; |
| |
| PromiseResolver.prototype.resolve = |
| PromiseResolver.prototype.fulfill = function PromiseResolver$resolve(value) { |
| var promise = this.promise; |
| if (promise._tryFollow(value)) { |
| return; |
| } |
| async.invoke(promise._fulfill, promise, value); |
| }; |
| |
| PromiseResolver.prototype.reject = function PromiseResolver$reject(reason) { |
| var promise = this.promise; |
| errors.markAsOriginatingFromRejection(reason); |
| var trace = errors.canAttach(reason) ? reason : new Error(reason + ""); |
| promise._attachExtraTrace(trace); |
| async.invoke(promise._reject, promise, reason); |
| if (trace !== reason) { |
| async.invoke(this._setCarriedStackTrace, this, trace); |
| } |
| }; |
| |
| PromiseResolver.prototype.progress = |
| function PromiseResolver$progress(value) { |
| async.invoke(this.promise._progress, this.promise, value); |
| }; |
| |
| PromiseResolver.prototype.cancel = function PromiseResolver$cancel() { |
| async.invoke(this.promise.cancel, this.promise, void 0); |
| }; |
| |
| PromiseResolver.prototype.timeout = function PromiseResolver$timeout() { |
| this.reject(new TimeoutError("timeout")); |
| }; |
| |
| PromiseResolver.prototype.isResolved = function PromiseResolver$isResolved() { |
| return this.promise.isResolved(); |
| }; |
| |
| PromiseResolver.prototype.toJSON = function PromiseResolver$toJSON() { |
| return this.promise.toJSON(); |
| }; |
| |
| PromiseResolver.prototype._setCarriedStackTrace = |
| function PromiseResolver$_setCarriedStackTrace(trace) { |
| if (this.promise.isRejected()) { |
| this.promise._setCarriedStackTrace(trace); |
| } |
| }; |
| |
| module.exports = PromiseResolver; |