What is @smithy/protocol-http?
@smithy/protocol-http is a package that provides HTTP utilities for the Smithy framework, which is used to build SDKs for AWS services. It includes classes and functions to create and manipulate HTTP requests and responses, making it easier to interact with HTTP-based APIs.
What are @smithy/protocol-http's main functionalities?
Creating HTTP Requests
This feature allows you to create an HTTP request object with specified method, hostname, and path.
const { HttpRequest } = require('@smithy/protocol-http');
const request = new HttpRequest({
method: 'GET',
hostname: 'example.com',
path: '/path'
});
console.log(request);
Handling HTTP Responses
This feature allows you to create an HTTP response object with specified status code, headers, and body.
const { HttpResponse } = require('@smithy/protocol-http');
const response = new HttpResponse({
statusCode: 200,
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({ message: 'Success' })
});
console.log(response);
Parsing HTTP Headers
This feature allows you to parse raw HTTP headers into a structured object.
const { parseHeaders } = require('@smithy/protocol-http');
const rawHeaders = 'Content-Type: application/json\nContent-Length: 123';
const headers = parseHeaders(rawHeaders);
console.log(headers);
Other packages similar to @smithy/protocol-http
axios
Axios is a popular promise-based HTTP client for the browser and Node.js. It provides a simple API for making HTTP requests and handling responses. Compared to @smithy/protocol-http, Axios offers more high-level features like request cancellation, automatic JSON transformation, and interceptors.
node-fetch
Node-fetch is a lightweight module that brings `window.fetch` to Node.js. It is a minimalistic library for making HTTP requests. While @smithy/protocol-http is more focused on providing utilities for building SDKs, node-fetch is more about providing a simple and familiar API for making HTTP requests in Node.js.
superagent
Superagent is a small progressive client-side HTTP request library, and Node.js module with a lot of features. It provides a flexible API for making HTTP requests and handling responses. Compared to @smithy/protocol-http, Superagent offers more high-level abstractions and built-in functionalities like query string parsing, form submissions, and file uploads.