Koa is a lightweight Node.js web framework designed for building robust APIs and web applications with a focus on modern JavaScript async/await style. It provides a minimal core with a middleware stack that runs in sequence, enabling fine-grained control over request handling and error management. By avoiding bundled middleware, Koa emphasizes a modular approach where routes and utilities come from small, composable packages. The framework exposes a context object (ctx) that consolidates request and response data, while enabling centralized error handling, content negotiation, and streamlined asynchronous workflows without relying on nested callbacks.

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Koa

Node.js web framework using async/await middleware, minimal.

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