140 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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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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| 
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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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| 
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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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| 
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| var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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| 
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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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| 
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| var Promise = global[Symbol.for('jest-native-promise')] || global.Promise;
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| 
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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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| /**
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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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| 
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| class PCancelable {
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|   constructor(executor) {
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|     _defineProperty(this, '_pending', true);
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| 
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|     _defineProperty(this, '_canceled', false);
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| 
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|     _defineProperty(this, '_promise', void 0);
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| 
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|     _defineProperty(this, '_cancel', void 0);
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| 
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|     _defineProperty(this, '_reject', () => {});
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| 
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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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| 
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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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| 
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|   catch(onRejected) {
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|     return this._promise.catch(onRejected);
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|   }
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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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| 
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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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| 
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|     this._canceled = true;
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| 
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|     this._reject(new CancelError());
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|   }
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| }
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| 
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| exports.default = PCancelable;
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