All valid, but the thing that stood out to me most besides useCallback being
weirdly inlined—and this is more important IMO—is how awkward everything around labels is. Surely there could be a base labels component that just takes `data`, or at least doesn’t require so much ceremony around the vanilla interface.
The Svelte and vanilla examples are almost identical, but the Angular example looks much more like I’d expect, which strongly suggests (to me) that this is an Angular library with support for other uses bolted on as an afterthought.
That’s all fine, but it probably won’t get much non-Angular adoption if there’s no further effort to make it feel somewhat more idiomatic in other environments. Even if it looks quite nice otherwise (which at a glance it does!).
