Services

See also

For an introduction to using services in components, see the Services guide. For architecture details, see Service Architecture.

Services implement common tasks and hide their repetitive parts. A service always has the following signature:

interface ServiceProps {
  [key:string]: any;
}

interface Service {
  add: (key:string, fn: (props:ServiceProps) => void) => void;
  remove: (key:string) => void;
  has: (key:string) => boolean;
  props: () => ServiceProps;
}

useService(...args?):Service;

The following services are available:

• useDrag to implement drag features
• useKey to implement keyboard features
• useLoad to implement window load features
• useMutation to implement DOM mutation features
• usePointer to implement mouse/touch features
• useRaf to implement requestAnimationFrame features
• useResize to implement window resize features
• useScroll to implement scroll features