I created this app as a simple demonstration of how to use WebSockets to chart real-time finance data (in this case Bitcoin’s price) using Twelvedata APIs, React (specifically Next.js) and vector drawing library D3.js.
Realtime finance chart app
Tag Archives: source code
Reack and Morquery
Here’s an example app which uses React Query to add the superpowers of caching, de-bouncing, and automatic cancellation/retries to a simple fetch-based React app. The source is available here – it’s all TypeScript and includes some E2E tests.
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Chat app in React (hooks)
Here’s a simple chat app I created as an example of using (hooks flavoured) React with Firebase, all in TypeScript. It’s a little like the YouTube superchat thing, whereby everyone can log in with single click Google authentication and all chat to each other.
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Optimal scrolling for 2D games or UIs
I recently stumbled upon an old bit of code which demonstrates a technique I created for an efficient scrolling data grid on the YouView TV platform. I call it ‘Blit Scrolling’. Below is a demo of the concept.