useEventListener #1
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import { useRef, useEffect } from 'react'
interface IEventProps {
eventType: keyof GlobalEventHandlersEventMap
listener: Function,
target: Window | Document,
options?: boolean | AddEventListenerOptions | undefined
}
const useEventListener = ({
eventType = 'scroll',
listener = () => null,
target = window,
options = undefined
}: IEventProps) => {
const savedListener = useRef<Function>();
useEffect(() => {
savedListener.current = listener;
}, [listener]);
useEffect(() => {
if (!target?.addEventListener) return;
const eventListener = (event: any) => savedListener?.current?.(event);
target?.addEventListener?.(eventType, eventListener, options);
return () => {
target?.removeEventListener(eventType, eventListener, options);
};
}, [eventType, target, options]);
};
export default useEventListener;
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import { useRef, useEffect } from 'react'
interface IEventProps {
eventType: keyof GlobalEventHandlersEventMap
listener: Function,
target: Window | Document,
options?: boolean | AddEventListenerOptions | undefined
}
const useEventListener = ({
eventType = 'scroll',
listener = () => null,
target = window,
options = undefined
}: IEventProps) => {
const savedListener = useRef();
useEffect(() => {
savedListener.current = listener;
}, [listener]);
useEffect(() => {
if (!target?.addEventListener) return;
}, [eventType, target, options]);
};
export default useEventListener;