AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
3min chapter
Potluck × Is TypeScript Fancy Duct Tape × Back Pain × Cloud Service Rate Limits
Syntax - Tasty Web Development Treats
TypeScript's Problem With Filtering Strings
The problem is that TypeScript doesn't run at runtime, meaning that it doesn't know the value of the array. So in order to make this work, you have to cast it or do a Typeguard. Somebody messaged me and said TypeScript 5.2 fixes that, which is really nice. But I think there's a lot of annoying little things where any dev can look at that code and say, there's no possible situation where I can see that this would be a string. And unfortunately, yeah, that's the case in some use cases.
00:00
Transcript
Episode notes
Get the Snipd
podcast app
Unlock the knowledge in podcasts with the podcast player of the future.
AI-powered
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode
Save any
moment
Hear something you like? Tap your headphones to save it with AI-generated key takeaways
Share
& Export
Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more
AI-powered
podcast player
Listen to all your favourite podcasts with AI-powered features
Discover
highlights
Listen to the best highlights from the podcasts you love and dive into the full episode