This is the Linux app named Koa whose latest release can be downloaded as v3.1.1sourcecode.tar.gz. It can be run online in the free hosting provider OnWorks for workstations.
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Koa
DESCRIPTION
Koa is a minimal, expressive web framework for Node.js created by the team behind Express, built around modern JavaScript features. Its middleware system uses async functions and an “onion” execution model, producing clean, sequential control flow for request/response handling. Koa keeps the core small and unopinionated—there’s no built-in router or templating—so developers compose only the pieces they need. The framework exposes a refined Context object to standardize request and response utilities without obscuring Node’s primitives. This design encourages readable middleware, robust error handling, and straightforward composition for tasks like authentication, logging, and body parsing. In production, Koa’s simplicity and async-first approach translate to predictable performance and maintainable server code.
Features
- Minimal core (~550 lines of code) with no bundled middleware, making it highly modular and flexible
- Uses async functions (and previously generators) for middleware, simplifying flow control and reducing callback hell
- Middleware is composed in a cascading (down/up-stream) stack, giving fine-grained control over request/response lifecycle
- Provides a unified Context object (ctx) encapsulating request and response, along with useful helper methods
- Includes utilities for content negotiation, redirects, proxy support, and more, while still staying lightweight
- Exception and error handling are improved with async/await semantics, reducing bugs and improving reliability
Programming Language
JavaScript
Categories
This is an application that can also be fetched from https://sourceforge.net/projects/koa.mirror/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.
