AWS Developer Tools Blog
Tag: JavaScript
Announcing the end of support for Internet Explorer 11 in the AWS SDK for JavaScript (v3)
Starting October 1, 2022, AWS SDK For JavaScript (v3) will end support for Internet Explorer 11 (IE 11). The browser artifacts published in our npm packages will no longer target ES5. If your browser application depends on the AWS SDK for JavaScript (v3), we encourage you to support only modern secure and evergreen browsers like […]
Read MoreError Handling in Modular AWS SDK for JavaScript (v3)
In the version 3.53.0 of the modular AWS SDK for JavaScript (v3), we introduced concrete classes for AWS service exceptions which support asserting service exceptions with instanceof operator. In this post, we cover how to use it and how it improves the error handling experience. Why did we do it? Previously, the AWS SDK for […]
Read MoreHow we halved the publish size of modular AWS SDK for JavaScript clients
On December 15th, 2020, we announced the general availability of the AWS SDK for JavaScript, version 3 (v3). In v3, the modular packages reduce the bundle size of your application by ~75% as compared to that in AWS SDK for JavaScript, version 2 (v2). However, v3 had a large publish/install size for each modular package. In […]
Read MoreAnnouncing the end of support for Node.js 10.x in the AWS SDK for JavaScript (v3)
Starting January 1, 2022, AWS SDK For JavaScript (v3) will no longer support Node.js 10.x which was EOL on April 30, 2021. We encourage you to upgrade to Node.js 12.x or later. We recommend Node.js 14.x which was released on April 21, 2020 and became active LTS on October 27, 2020. Motivation As Node.js 10.x version […]
Read MoreConstruct Hub Developer Preview
We are excited to announce the Construct Hub developer preview. It is a one-stop destination for finding, reusing and sharing constructs authored by AWS, AWS Partner Network partners, third parties, and the developer community. In the preview version of the website, we list constructs for Python and TypeScript programming languages. CDK constructs are cloud architecture building […]
Read MoreMocking modular AWS SDK for JavaScript (v3) in Unit Tests
The AWS SDK for Javascript team would like to highlight the open-source community and it’s contributions. Today we welcome a guest blog written by Maciej Radzikowski on aws-sdk-client-mock, a library that allows easy mocking of AWS SDK for JavaScript (v3). On December 15th, 2020, AWS announced the general availability of the AWS SDK for JavaScript, version 3 […]
Read MoreWaiters in modular AWS SDK for JavaScript
On December 15th, 2020, we announced the general availability of the AWS SDK for JavaScript, version 3 (v3). In v3, the waiters are modular and not part of the client class. In this blog post, we cover the differences between waiters in v2 and v3, and how to use them. Background Waiters make it easier […]
Read MoreAnnouncing the end of support for Node.js <10.x in the AWS SDK for JavaScript (v2)
Starting November 1 2021, the AWS SDK For JavaScript (v2) will no longer support the following end of life (EOL) Node.js runtime versions: Node.js 0.10 – EOL on 2016-10-31 Node.js 0.12 – EOL on 2016-12-31 Node.js 4.x – EOL on 2018-04-30 Node.js 6.x – EOL on 2019-04-30 Node.js 8.x – EOL on 2019-12-31 We encourage you […]
Read MoreGenerate a presigned URL in modular AWS SDK for JavaScript
On December 15th, 2020, we announced the general availability of the AWS SDK for JavaScript, version 3 (v3). This blog shows you how to generate a presigned URL for an Amazon S3 bucket using the modular AWS SDK for JavaScript. Motivation A presigned URL gives you access to the object identified in the URL, provided […]
Read MoreHTTP keep-alive is on by default in modular AWS SDK for JavaScript
On December 15th, 2020, we announced the general availability of the AWS SDK for JavaScript, version 3 (v3). In v3, we keep the Node.js HTTP connections alive by default. This blog post explains how it’s done. It also describes the benefits of keeping the sockets around, so they can be used for future requests without […]
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