Summary: While moving mouse and changing hover state react render is under 1ms due to subscribing to state rather than passing hover as prop to all components
Reviewed By: lblasa
Differential Revision: D41838168
fbshipit-source-id: c9b3334adc44df5018e0a785684a2883aeb3bab1
Summary: The old implementation would always rerender on every operation (select, hover etc) and was quite slow for large hierachies
Reviewed By: lblasa
Differential Revision: D41838166
fbshipit-source-id: 1270841027926440a9c1f1a846d3aedc75ffe8bf