What Is NPM AWS SDK Version 3?

AWS announced the AWS SDK V3 general availability for javascript. You might see the warning by AWS SDK to migrate to version 3 on the console. AWS SDK V3 comes with modular packages, which means we can install only those modules which we needed in our project. It reduces the package size. It provides us the facility to map AWS service API.  Let’s see some key features of AWS SDK V3 npm.

What’re these new versions have?

• It comes with a modular package. In the previous version, we needed to install ‘NPM AWS SDK’ for everything. But in V3 we need to install only those packages which we need in our project.
• It provides a middleware stack
• Now it supports first-class typescript.

It’s time to Run some command

• Install s3 package ‘npm install @AWS SDK/client-s3’

What Is S3?

Amazon S3 is a secure service for storing, retrieving, and protecting the data in the buckets. It is a paid service of AMAZON WEB SERVICES which is more scalable, reliable, and flexible. Data is stored on S3 as flat objects. We can set the expiry time to the objects which will be expired and be deleted automatically.

Good to Read:- Easy Step to Create & Store Data In AWS S3 Bucket 

Steps to Connect Code to AWS S3 Bucket With NodeJs Project

In the below, we shared 04 steps to connect code to npm AWS sdk V3 with NodeJS.

• Creating a new client object

const { S3Client } = require('@AWS SDK/client-s3');

const s3 = new S3Client({

  region:’replace-region’,

  credentials: {

    accessKeyId:’access-key’,

    secretAccessKey: ‘your-secret’

  }

});

• Upload a file to S3

const { PutObjectCommand } = require('@AWS SDK/client-s3');

const putCommand = new PutObjectCommand({

  Bucket:’bucket-name’,

  Body:’file’,

  ContentType:’content-type’,

  Key: ‘file-key’

});

await s3.send(putCommand);

• Delete file from S3

const { DeleteObjectCommand } = require('@AWS SDK/client-s3');

const deleteCommand = new DeleteObjectCommand({

  Bucket:’bucket-name’,

  Key: ‘file-key’

});

await s3.send(deleteCommand);

Good to Read:- Setting Up Jenkins on Amazon EC2 Ubuntu Instance

• Creating pre-signed URL

For creating a pre-signed URL in version 3, we need to install a separate package ‘npm I @AWS SDK/s3-request-presigner’

const { GetObjectCommand } = require('@AWS SDK/client-s3');

const objCommand = new GetObjectCommand({

  Bucket: 'bucket-name',

  Key: 'file-key'

})

const signedUrl = await getSignedUrl(s3,objCommand, {expiresIn: ’expiry-time’});

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Frequently Asked Questions