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https://github.com/Wan-Video/Wan2.1.git
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79 lines
2.8 KiB
JavaScript
79 lines
2.8 KiB
JavaScript
/**
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* Copyright (c) 2014 Petka Antonov
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:</p>
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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"use strict";
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module.exports = function(Promise, INTERNAL) {
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var errors = require("./errors.js");
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var async = require("./async.js");
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var ASSERT = require("./assert.js");
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var CancellationError = errors.CancellationError;
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var SYNC_TOKEN = {};
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Promise.prototype._cancel = function Promise$_cancel() {
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if (!this.isCancellable()) return this;
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var parent;
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if ((parent = this._cancellationParent) !== void 0) {
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parent.cancel(SYNC_TOKEN);
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return;
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}
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var err = new CancellationError();
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this._attachExtraTrace(err);
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this._rejectUnchecked(err);
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};
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Promise.prototype.cancel = function Promise$cancel(token) {
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if (!this.isCancellable()) return this;
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if (token === SYNC_TOKEN) {
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this._cancel();
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return this;
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}
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async.invokeLater(this._cancel, this, void 0);
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return this;
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};
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Promise.prototype.cancellable = function Promise$cancellable() {
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if (this._cancellable()) return this;
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this._setCancellable();
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this._cancellationParent = void 0;
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return this;
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};
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Promise.prototype.uncancellable = function Promise$uncancellable() {
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var ret = new Promise(INTERNAL);
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ret._setTrace(this.uncancellable, this);
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ret._follow(this);
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ret._unsetCancellable();
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if (this._isBound()) ret._setBoundTo(this._boundTo);
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return ret;
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};
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Promise.prototype.fork =
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function Promise$fork(didFulfill, didReject, didProgress) {
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var ret = this._then(didFulfill, didReject, didProgress,
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void 0, void 0, this.fork);
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ret._setCancellable();
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ret._cancellationParent = void 0;
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return ret;
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};
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};
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