declare type HTMLElementOrNull = HTMLElement | null;
declare type CallbackRef = (node: HTMLElementOrNull) => any;

/**
 * useOutsideClickRef hook
 * Checks if a click happened outside a Ref. Handy for dropdowns, modals and popups etc.
 * @param handler Callback to fire on outside click
 * @param when A boolean which which activates the hook only when it is true. Useful for conditionally enable the outside click
 * @returns An array with first item being ref
 */
declare function useOutsideClickRef(handler: (e: MouseEvent) => any, when?: boolean): [CallbackRef];

export default useOutsideClickRef;