@carbon/ibm-products
Version:
Carbon for IBM Products
35 lines (33 loc) • 1.03 kB
JavaScript
/**
* Copyright IBM Corp. 2020, 2026
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
import { useEffect, useRef } from "react";
//#region src/components/ConditionBuilder/utils/useEvent.ts
/**
* Copyright IBM Corp. 2016, 2025
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
const useEvent = (elementOrRef, eventName, callback) => {
const savedCallback = useRef(null);
useEffect(() => {
savedCallback.current = callback;
}, [callback]);
useEffect(() => {
const element = "current" in elementOrRef ? elementOrRef.current : elementOrRef;
if (!element) return;
const handler = (event) => {
if (savedCallback.current) savedCallback.current(event);
};
element.addEventListener(eventName, handler);
return () => {
element.removeEventListener(eventName, handler);
};
}, [elementOrRef, eventName]);
};
//#endregion
export { useEvent };