atlas-brown/lya

Lya is a coarse-grained dynamic analysis framework for JavaScript that operates with lower overhead than conventional tools, enabling always-on monitoring in production environments. It's designed for two types of users: developers who want to use predefined analyses to gain insights into their applications (e.g., security vulnerabilities, performance bottlenecks), and those who want to create custom analyses by implementing a few simple methods. The framework is particularly useful for programmers working with Node.js applications who need lightweight, production-ready dynamic analysis capabilities.