| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| export class CancellationError extends Error { |
| constructor(message = 'Cancelled by user') { |
| super(message); |
| |
| // Workaround for Babel issue with extend: https://github.com/babel/babel/issues/3083#issuecomment-315569824 |
| this.constructor = CancellationError; |
| |
| // eslint-disable-next-line no-proto |
| this.__proto__ = CancellationError.prototype; |
| } |
| } |