;(async function (){
	const answers = await inquirer.prompt<{ password: string, username: string }>([
		{
			default: 'msdacia',
			message: 'User Name:',
			name: 'username',
			type: 'input'
		},
		{
			message: 'Password:',
			name: 'password',
			type: 'password'
		}
	])

	const { username, password } = answers

	const sftp = new SftpClient()

	const createQueue = async.queue<CreatePayload, Error>(({ observer, remotePath, title }, callback) => {
		createQueue.drain = () => observer.complete()
		observer.next(title)
		sftp.mkdir(remotePath, true).then(() => callback()).catch(callback)
	})

	const uploadQueue = async.priorityQueue<UploadPayload, Error>(({ localPath, observer, remotePath, title }, callback) => {
		uploadQueue.drain = () => observer.complete()
		const remainingCount = uploadQueue.length()
		const inProgressTitles = uploadQueue.workersList()
			.map(worker => worker.data.title)
			.sort()
			.map(title => title.length <= 27 ? title : `${title.substr(0, 12)}...${title.slice(-12)}`)
		const message = inProgressTitles.join(', ') + (remainingCount ? ` + ${remainingCount} more` : '')
		observer.next(message)
		sftp.put(localPath, remotePath, true).then(() => callback()).catch(callback)
	}, 4)

	const deleteQueue = async.queue<DeletePayload, Error>(({ observer, remotePath, title }, callback) => {
		deleteQueue.drain = () => observer.complete()
		observer.next(title)
		sftp.delete(remotePath).then(() => callback()).catch(callback)
	})

	try {
		await sftp.connect({ host: HOST, username, password })

		const [localFiles, remoteFiles] = await Promise.all([
			(await readdir('dist')).map(file => path.relative('dist', file)).map(file => path.posix.format(path.parse(file))),
			(await readdirRemote(sftp, DEPLOY_DIR)).map(file => path.posix.relative(DEPLOY_DIR, file)),
		])

		const remoteFilesToDelete = getRemoteFilesToDelete(remoteFiles, localFiles)
		const remoteDirectoriesToCreate = getRequiredDirectories(localFiles)

		const createObserver = new Observable<string>(observer => {
			for (const directory of remoteDirectoriesToCreate) {
				const remotePath = path.posix.join(DEPLOY_DIR, directory)
				createQueue.push({ observer, remotePath, title: directory })
			}
		})

		const uploadObserver = new Observable<string>(observer => {
			for (const file of localFiles) {
				const localPath = path.resolve(path.join('dist', file))
				const remotePath = path.posix.join(DEPLOY_DIR, file)
				const payload: UploadPayload = {
					localPath,
					observer,
					remotePath,
					title: file,
				}

				uploadQueue.push(payload, getUploadPriority(file))
			}
		})

		const deleteObserver = new Observable<string>(observer => {
			for (const file of remoteFilesToDelete) {
				const remotePath = path.posix.join(DEPLOY_DIR, file)
				deleteQueue.push({ observer, remotePath, title: file })
			}
		})

		await new Listr([
			{
				title: `Creating ${remoteDirectoriesToCreate.length} Directories`,
				task: () => createObserver as any,
				skip: () => remoteDirectoriesToCreate.length === 0 ? 'No directories to create' : '',
			},
			{
				title: `Uploading ${localFiles.length} File(s)`,
				task: () => uploadObserver as any,
				skip: () => localFiles.length === 0 ? 'No files to upload' : '',
			},
			{
				title: `Deleting ${remoteFilesToDelete.length} File(s)`,
				task: () => deleteObserver as any,
				skip: () => remoteFilesToDelete.length === 0 ? 'No files to delete' : '',
			},
		]).run()
//.........这里部分代码省略.........

import * as Client from 'ssh2-sftp-client';
var client = new Client();

client.connect({
    host: 'asdb',
    port: 1234,
    privateKey: 'my private key rsa in openssh format',
    readyTimeout: 1000,
}).then(() => null);

client.list('/remote/path').then(() => null);

client.get('/remote/path').then(stream => stream.read(0));

client.put('/local/path', '/remote/path').then(() => null);

client.put(new Buffer('content'), '/remote/path').then(() => null);

client.mkdir('/remote/path/dir', true).then(() => null);

client.delete('remote/path').then(() => null);

client.rename('/remote/from', '/remote/to').then(() => null);

client.end().then(() => null);