There is no "versus" in the JavaScript and TypeScript relationship. My take on staying pragmatic and picking the right tool for the job.

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Ivan Velichko

A developer shares their pragmatic approach to choosing between JavaScript and TypeScript based on project needs. They kept one project in JavaScript due to its stable API surface and effective black-box testing, while migrating another complex UI-heavy project to TypeScript for better developer experience and type safety. The key takeaway is choosing tools based on project constraints rather than following dogmatic preferences.

JavaScript or TypeScript? How To Benefit From the Dichotomy

<p>This article is a bit old, but I understand that DHH wanted to drop Turbo’s TypeScript support because existing TypeScript and esbuild always require a compiler. I use TypeScript myself, but even if the code works fine, it’s annoying when the build suddenly stops.While it’s true that autocompletion features could make writing code easier, I remain somewhat critical because, in projects that use TypeScript, it often feels like it’s just being used for the sake of using TypeScript, and I haven’t seen an ideal implementation of TypeScript. However, since Claude Code emerged, we can now delegate debugging to them, so my perspective on TypeScript has shifted in a more positive direction compared to a few years ago, around the time this article was published.</p>
