messy is a JavaScript library providing a robust object model for parsing, manipulating, and serializing HTTP messages (requests and responses) and RFC822 (email) messages. It aims to simplify interaction with these complex message formats by abstracting header parsing, body handling, and common operations into a coherent API. The current stable version, 7.0.0, was released in November 2020. Given the last release date, the package is likely in a maintenance state, indicating stability rather than active feature development. It differentiates itself by offering a unified approach to both HTTP and email message structures, which often share similar header-based formats, making it suitable for applications requiring deep inspection or modification of network and mail protocols.
npm install messyVerified import paths — ran on the pinned version, not inferred.
This quickstart demonstrates creating HTTP request and RFC822 email message objects, setting headers, and parsing a raw HTTP response string to extract its status, headers, and body. It showcases the core functionalities of the `messy` library.
Consider checking the GitHub repository for recent activity or forks if active development is a strict requirement for your project.
Thoroughly review the package's changelog or migration guide for version 7.x, if available on its GitHub repository, before upgrading from 6.x. Test existing codebases extensively after upgrading.
Always use a canonical casing (e.g., 'Title-Case') for header names when programmatically accessing or modifying them, or use helper functions if the library provides case-insensitive accessors.
Ensure the constructor is called with an object containing at least an empty `headers` property: `new HttpRequest({ headers: {} })`.Validate the input raw message string against HTTP/RFC822 specifications before attempting to parse it. Ensure it has at least a valid start line (e.g., `HTTP/1.1 200 OK`) and a correctly delimited header section.
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