Lightning talk from Gregory Shehet
summary
Focal claims a concrete replacement for Redux: state as RxJS-backed atoms with F elements that render observables by subscribing to RxJS BehaviorSubjects, lenses to target subtrees so apps use one or two root atoms instead of many atoms, and TypeScript types for autocomplete and safety. Grammarly’s web editor and extensions run Focal in production for about a year, reported performance better than Immutable.js Redux on large structures, and the community remains tiny—two companies.
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