https://abdellahcodes.xyz/tags/node/ Recent content in node on Abdellah Codes Hugo -- gohugo.io en-us Sun, 20 Mar 2022 00:00:00 +0000 https://abdellahcodes.xyz/posts/use-typescript-generics-for-a-type-safe-settimeout-and-setinterval/ Sun, 20 Mar 2022 00:00:00 +0000 https://abdellahcodes.xyz/posts/use-typescript-generics-for-a-type-safe-settimeout-and-setinterval/ TLDR; Here’s the code: type Handler = ((...args: any[]) => any) | string; function safeSetTimeout<F extends Handler>( handler: F, timeout?: number, ...args: F extends string ? any[] : Parameters<F extends string ? never : F> ) { return setTimeout(handler, timeout, ...args); } If you understand everything in the following snippet, you don’t have much to gain from this post. But you might want check out the practical snippet at the end of this post.