code-server/lib/vscode/extensions/git/src/watch.ts

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { Event, EventEmitter, Uri } from 'vscode';
import { join } from 'path';
import * as fs from 'fs';
import { IDisposable } from './util';
export interface IFileWatcher extends IDisposable {
readonly event: Event<Uri>;
}
export function watch(location: string): IFileWatcher {
const dotGitWatcher = fs.watch(location);
const onDotGitFileChangeEmitter = new EventEmitter<Uri>();
dotGitWatcher.on('change', (_, e) => onDotGitFileChangeEmitter.fire(Uri.file(join(location, e as string))));
dotGitWatcher.on('error', err => console.error(err));
return new class implements IFileWatcher {
event = onDotGitFileChangeEmitter.event;
dispose() { dotGitWatcher.close(); }
};
}