State ownership
Place state at the narrowest boundary that can correctly coordinate the behavior.
TechnologyReact Application Engineering
Where it mattersOperational dashboards
React scales when components model stable interface responsibilities, not when every visible fragment becomes an abstraction.
We use React to compose complex product interfaces while keeping state, side effects, accessibility, and loading behavior understandable. Component boundaries follow product behavior and ownership rather than arbitrary file size targets.
Place state at the narrowest boundary that can correctly coordinate the behavior.
Expose meaningful product inputs and states instead of passing implementation details through deep trees.
Design loading, empty, error, stale, and optimistic states as first-class behavior.
Use semantic controls, keyboard behavior, focus management, and announcements from the start.