23 lines
1.1 KiB
JavaScript
23 lines
1.1 KiB
JavaScript
import { on } from '@fluentui/utilities';
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import * as React from 'react';
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/**
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* Hook to attach an event handler on mount and handle cleanup.
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* @param element - Element (or ref to an element) to attach the event handler to
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* @param eventName - The event to attach a handler for
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* @param callback - The handler for the event
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* @param useCapture - Whether or not to attach the handler for the capture phase
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*/
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export function useOnEvent(element, eventName, callback, useCapture) {
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// Use a ref for the callback to prevent repeatedly attaching/unattaching callbacks that are unstable across renders
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var callbackRef = React.useRef(callback);
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callbackRef.current = callback;
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React.useEffect(function () {
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var actualElement = element && 'current' in element ? element.current : element;
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if (!actualElement || !actualElement.addEventListener) {
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return;
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}
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var dispose = on(actualElement, eventName, function (ev) { return callbackRef.current(ev); }, useCapture);
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return dispose;
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}, [element, eventName, useCapture]);
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}
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//# sourceMappingURL=useOnEvent.js.map
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