A simple bi-directional XML to JavaScript object converter for Node.js, built on sax-js and xmlbuilder-js.
xml2js is a Node.js library that converts XML data into JavaScript objects and can also serialize JavaScript objects back into XML. It solves the problem of parsing and generating XML in a JavaScript-friendly way without needing complex C-based parsers or a full DOM implementation. The library provides both callback and promise-based APIs with extensive configuration options for handling attributes, namespaces, and custom processing.
Node.js developers who need to parse or generate XML data in their applications, such as those working with web services, APIs, configuration files, or data interchange formats that use XML.
Developers choose xml2js because it offers a simple, bi-directional conversion between XML and JavaScript objects with minimal setup, extensive customization through options and processors, and a lightweight alternative to full DOM parsers like JSDom.
XML to JavaScript object converter.
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Supports parsing XML to JavaScript objects and serializing objects back to XML using sax-js and xmlbuilder-js, enabling seamless data interchange without external tools.
Offers over 20 parsing options like trim, normalize, explicitArray, and custom processors, allowing fine-grained control over XML structure handling as documented in the README.
Includes parseStringPromise for promise-based workflows alongside callbacks, catering to contemporary JavaScript development patterns without breaking changes.
Provides ready-to-use processors such as parseNumbers, parseBooleans, and stripPrefix, simplifying common data transformations directly from the library.
Version updates, like 0.2, introduced significant default setting changes (e.g., explicitRoot, explicitArray), requiring migration efforts as noted in the README's 'Updating to new version' section.
Lacks DOM tree navigation, XPath queries, or live node manipulation, limiting use for applications that need interactive XML editing beyond conversion to objects.
The multitude of options (e.g., attrkey, charkey, explicitChildren) can be overwhelming and error-prone, especially for developers new to XML parsing nuances.