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@elastic/eui

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Elastic UI Component Library

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/* * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one * or more contributor license agreements. Licensed under the Elastic License * 2.0 and the Server Side Public License, v 1; you may not use this file except * in compliance with, at your election, the Elastic License 2.0 or the Server * Side Public License, v 1. */ import { useEffect, useRef } from 'react'; export var useUpdateEffect = function useUpdateEffect(effect, deps) { // use ref instead of a state to avoid causing an unnecessary re-render var hasMounted = useRef(false); useEffect(function () { // don't invoke the effect on initial mount if (hasMounted.current === true) { return effect(); } else { hasMounted.current = true; } // eslint-disable-next-line react-hooks/exhaustive-deps }, deps); };