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@aws-sdk/middleware-content-length

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Package description

What is @aws-sdk/middleware-content-length?

@aws-sdk/middleware-content-length is a middleware package for the AWS SDK for JavaScript. It automatically calculates and sets the Content-Length header for HTTP requests made using the AWS SDK. This is particularly useful for ensuring that the correct content length is specified for requests, which can help prevent issues with incomplete or malformed requests.

What are @aws-sdk/middleware-content-length's main functionalities?

Automatic Content-Length Calculation

This feature automatically calculates and sets the Content-Length header for HTTP requests. In this example, the middleware is added to the S3 client's middleware stack, and it ensures that the Content-Length header is correctly set for a PutObjectCommand.

const { S3Client, PutObjectCommand } = require('@aws-sdk/client-s3');
const { middlewareContentLength } = require('@aws-sdk/middleware-content-length');

const client = new S3Client({
  region: 'us-west-2',
});

client.middlewareStack.add(middlewareContentLength(), {
  step: 'build',
  priority: 'low',
});

const command = new PutObjectCommand({
  Bucket: 'example-bucket',
  Key: 'example-object',
  Body: 'Hello, world!',
});

client.send(command).then((response) => {
  console.log('Object uploaded successfully:', response);
}).catch((error) => {
  console.error('Error uploading object:', error);
});

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Changelog

Source

3.110.0 (2022-06-14)

Bug Fixes

  • client-lex-runtime-v2: serialize eventstream payload properly (#3655) (757f883)
  • shared-ini-file-loader: update ini parsing (#3682) (9536104)

Features

  • client-budgets: Add a budgets ThrottlingException. Update the CostFilters value pattern. (3f98cfc)
  • client-lookoutmetrics: Adding filters to Alert and adding new UpdateAlert API. (d52f9aa)
  • client-mediaconvert: AWS Elemental MediaConvert SDK has added support for rules that constrain Automatic-ABR rendition selection when generating ABR package ladders. (9c9825e)

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Source

@aws-sdk/middleware-content-length

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Last updated on 14 Jun 2022

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