It’s a great choice for the JS ecosystem for the same reason it’s a terrible choice for the JS ecosystem: JS dependencies are a lot, and they sometimes want to

It’s a great choice for the JS ecosystem for the same reason it’s a terrible choice for the JS ecosystem: JS dependencies are a lot, and they sometimes want to do strange things at install-time that Nix frowns upon. There’s definitely an upfront cost, and a maintenance burden as well. But the flexibility and the control over what code you’re actually running could still be worth it.