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139 lines
3.0 KiB
139 lines
3.0 KiB
'use strict'; |
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var global = (function () { |
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if (typeof globalThis !== 'undefined') { |
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return globalThis; |
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} else if (typeof global !== 'undefined') { |
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return global; |
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} else if (typeof self !== 'undefined') { |
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return self; |
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} else if (typeof window !== 'undefined') { |
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return window; |
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} else { |
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return Function('return this')(); |
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} |
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})(); |
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol; |
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Object.defineProperty(exports, '__esModule', { |
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value: true |
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}); |
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exports.default = void 0; |
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var global = (function () { |
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if (typeof globalThis !== 'undefined') { |
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return globalThis; |
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} else if (typeof global !== 'undefined') { |
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return global; |
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} else if (typeof self !== 'undefined') { |
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return self; |
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} else if (typeof window !== 'undefined') { |
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return window; |
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} else { |
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return Function('return this')(); |
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} |
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})(); |
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol; |
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var global = (function () { |
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if (typeof globalThis !== 'undefined') { |
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return globalThis; |
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} else if (typeof global !== 'undefined') { |
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return global; |
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} else if (typeof self !== 'undefined') { |
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return self; |
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} else if (typeof window !== 'undefined') { |
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return window; |
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} else { |
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return Function('return this')(); |
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} |
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})(); |
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var Promise = global[Symbol.for('jest-native-promise')] || global.Promise; |
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function _defineProperty(obj, key, value) { |
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if (key in obj) { |
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Object.defineProperty(obj, key, { |
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value: value, |
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enumerable: true, |
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configurable: true, |
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writable: true |
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}); |
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} else { |
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obj[key] = value; |
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} |
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return obj; |
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} |
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/** |
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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*/ |
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class CancelError extends Error { |
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constructor() { |
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super('Promise was canceled'); |
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this.name = 'CancelError'; |
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} |
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} |
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class PCancelable { |
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constructor(executor) { |
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_defineProperty(this, '_pending', true); |
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_defineProperty(this, '_canceled', false); |
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_defineProperty(this, '_promise', void 0); |
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_defineProperty(this, '_cancel', void 0); |
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_defineProperty(this, '_reject', () => {}); |
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this._promise = new Promise((resolve, reject) => { |
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this._reject = reject; |
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return executor( |
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fn => { |
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this._cancel = fn; |
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}, |
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val => { |
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this._pending = false; |
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resolve(val); |
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}, |
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err => { |
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this._pending = false; |
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reject(err); |
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} |
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); |
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}); |
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} |
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then(onFulfilled, onRejected) { |
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return this._promise.then(onFulfilled, onRejected); |
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} |
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catch(onRejected) { |
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return this._promise.catch(onRejected); |
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} |
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cancel() { |
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if (!this._pending || this._canceled) { |
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return; |
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} |
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if (typeof this._cancel === 'function') { |
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try { |
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this._cancel(); |
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} catch (err) { |
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this._reject(err); |
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} |
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} |
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this._canceled = true; |
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this._reject(new CancelError()); |
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} |
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} |
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exports.default = PCancelable;
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