mirror of
https://github.com/gravitational/teleport.git
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58 lines
1.7 KiB
TypeScript
58 lines
1.7 KiB
TypeScript
/**
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import { EventEmitter } from 'events';
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import { FileTransferListeners } from './FileTransferStateless/types';
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export interface FileTransferEventsEmitter extends FileTransferListeners {
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emitProgress(progress: number): void;
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emitError(error: Error): void;
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emitComplete(): void;
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}
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/**
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* `createFileTransferEventsEmitter` is a utility function that helps with
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* generating events that can be consumed by a function expecting `FileTransferListeners`.
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*/
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export function createFileTransferEventsEmitter(): FileTransferEventsEmitter {
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const events = new EventEmitter();
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return {
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emitProgress: progress => {
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events.emit('progress', progress);
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},
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emitComplete: () => {
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events.emit('complete');
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},
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emitError: error => {
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events.emit('error', error);
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},
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onProgress: callback => {
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events.on('progress', callback);
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},
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onComplete: callback => {
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events.on('complete', callback);
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},
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onError: callback => {
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events.on('error', callback);
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},
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};
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}
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