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How I built Focus Mind, a personal app to prioritize what to study next based on urgency, goals, confidence, and daily availability — using Next.js, Firebase, OpenAI, and more.

Learn how to build a custom body-parser middleware for your own Node.js web framework by reading request streams and parsing JSON or URL-encoded data.

Add static file serving capabilities to your custom Node.js web framework using the power of Streams and recursive file discovery.

Learn how to build modular routers and apply global or route-specific middleware to enhance your custom web framework like ExpressJS.

Learn how to decorate the Request and Response objects in your custom Node.js framework to extract parameters, query strings, and send responses in JSON format.