In May of 2023 an  from the Svelte repo made it to the front page of the Hacker News forums. The (superficially) controversial PR seemingly vindicated TypeSc...

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JSDoc is not an alternative to TypeScript but rather a way to use TypeScript itself. The TypeScript language service powers IntelliSense and interprets JSDoc comments, meaning developers using JSDoc are already using TypeScript without a build step. The Svelte team's 2023 switch from .ts files to JSDoc wasn't anti-TypeScript but a different approach to the same static analysis. JSDoc offers nearly all TypeScript features (except runtime features like enums), provides better code navigation by jumping to actual implementations instead of declaration files, and works with existing TypeScript tooling including type generation libraries.

JSDoc *is* TypeScript

using jsdoc meaning you probably will never want to refactor your code, and if need to, good luck.

mm yea and if my grandma had wheels she would have been a bike
🤷

This is a weird take… to say the least

This is just my personal opinion. I don’t like JSDoc because it makes the file very verbose and tiring to look at.