I used all four in real projects. One wrecked a monorepo at 3am. Another saved my ass in production. Here's the unfiltered truth about every major package manager in 2025.
navigator.clipboard.writeText looks trivial until your app silently breaks in production with zero visible error. I found 4 cases the docs never mention: insecure context, lost focus, revoked permissions on iOS, and React timing. Here are the real patterns with copyable code.
489 + 506 points on HN. Bun ports to Rust and everyone has a take. I ran the benchmarks on my real stack before opening my mouth. The uncomfortable result: the underlying language matters less than the hype suggests.
Copy Fail hit #1 on Hacker News with 977 points. I reproduced it in my Next.js stack and found something the viral post never mentions: when the clipboard fails silently during a password or token copy, the user has no idea. That's not a UX bug. It's a human error vector with real consequences.
I built a public lab with reproducible benchmarks to measure TypeScript 7 native preview against TypeScript 6 on real repos. The results are interesting, but the more useful story isn't the speedup: it's understanding when it matters, what breaks during migration, and how to test it without exposing private code.
Discriminated unions, branded types, satisfies, infer, Result<T,E>, type predicates, and mapped types — the type system patterns that make entire categories of bugs impossible to write.
I reproduced the tiny LLM experiment that blew up on Show HN: Gemma running in the browser, no API keys, inside my usual stack. Here's everything that broke — and the little that actually worked.
Discriminated unions, branded types, advanced generics, and how I actually think about types when I code. Not an academic tutorial — this is what I use in production after years of fighting TypeScript.
32 years in the dev trenches. Here I write what I learned, what I broke, and what nobody tells you in the tutorials.
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