@aws-sdk/client-transfer
Advanced tools
AWS SDK for JavaScript Transfer Client for Node.js, Browser and React Native
AWS SDK for JavaScript Transfer Client for Node.js, Browser and React Native.
Transfer Family is a fully managed service that enables the transfer of files over the File Transfer Protocol (FTP), File Transfer Protocol over SSL (FTPS), or Secure Shell (SSH) File Transfer Protocol (SFTP) directly into and out of Amazon Simple Storage Service (Amazon S3) or Amazon EFS. Additionally, you can use Applicability Statement 2 (AS2) to transfer files into and out of Amazon S3. Amazon Web Services helps you seamlessly migrate your file transfer workflows to Transfer Family by integrating with existing authentication systems, and providing DNS routing with Amazon Route 53 so nothing changes for your customers and partners, or their applications. With your data in Amazon S3, you can use it with Amazon Web Services services for processing, analytics, machine learning, and archiving. Getting started with Transfer Family is easy since there is no infrastructure to buy and set up.
To install this package, simply type add or install @aws-sdk/client-transfer using your favorite package manager:
npm install @aws-sdk/client-transferyarn add @aws-sdk/client-transferpnpm add @aws-sdk/client-transferThe AWS SDK is modulized by clients and commands.
To send a request, you only need to import the TransferClient and
the commands you need, for example ListServersCommand:
// ES5 example
const { TransferClient, ListServersCommand } = require("@aws-sdk/client-transfer");
// ES6+ example
import { TransferClient, ListServersCommand } from "@aws-sdk/client-transfer";
To send a request, you:
send operation on client with command object as input.destroy() to close open connections.// a client can be shared by different commands.
const client = new TransferClient({ region: "REGION" });
const params = {
/** input parameters */
};
const command = new ListServersCommand(params);
We recommend using await operator to wait for the promise returned by send operation as follows:
// async/await.
try {
const data = await client.send(command);
// process data.
} catch (error) {
// error handling.
} finally {
// finally.
}
Async-await is clean, concise, intuitive, easy to debug and has better error handling as compared to using Promise chains or callbacks.
You can also use Promise chaining to execute send operation.
client.send(command).then(
(data) => {
// process data.
},
(error) => {
// error handling.
}
);
Promises can also be called using .catch() and .finally() as follows:
client
.send(command)
.then((data) => {
// process data.
})
.catch((error) => {
// error handling.
})
.finally(() => {
// finally.
});
We do not recommend using callbacks because of callback hell, but they are supported by the send operation.
// callbacks.
client.send(command, (err, data) => {
// process err and data.
});
The client can also send requests using v2 compatible style. However, it results in a bigger bundle size and may be dropped in next major version. More details in the blog post on modular packages in AWS SDK for JavaScript
import * as AWS from "@aws-sdk/client-transfer";
const client = new AWS.Transfer({ region: "REGION" });
// async/await.
try {
const data = await client.listServers(params);
// process data.
} catch (error) {
// error handling.
}
// Promises.
client
.listServers(params)
.then((data) => {
// process data.
})
.catch((error) => {
// error handling.
});
// callbacks.
client.listServers(params, (err, data) => {
// process err and data.
});
When the service returns an exception, the error will include the exception information, as well as response metadata (e.g. request id).
try {
const data = await client.send(command);
// process data.
} catch (error) {
const { requestId, cfId, extendedRequestId } = error.$metadata;
console.log({ requestId, cfId, extendedRequestId });
/**
* The keys within exceptions are also parsed.
* You can access them by specifying exception names:
* if (error.name === 'SomeServiceException') {
* const value = error.specialKeyInException;
* }
*/
}
Please use these community resources for getting help. We use the GitHub issues for tracking bugs and feature requests, but have limited bandwidth to address them.
aws-sdk-js
on AWS Developer Blog.aws-sdk-js.To test your universal JavaScript code in Node.js, browser and react-native environments, visit our code samples repo.
This client code is generated automatically. Any modifications will be overwritten the next time the @aws-sdk/client-transfer package is updated.
To contribute to client you can check our generate clients scripts.
This SDK is distributed under the Apache License, Version 2.0, see LICENSE for more information.
FAQs
AWS SDK for JavaScript Transfer Client for Node.js, Browser and React Native
We found that @aws-sdk/client-transfer demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 5 open source maintainers collaborating on the project.
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