| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import { useEffect } from 'react'; |
| import { usePrevious } from './usePrevious'; |
| |
| /** |
| * Calls the callback when the value changes. |
| * |
| * Passes the previous and current values to the callback |
| */ |
| export function useChangeEffect<T>( |
| value: T, |
| callback: (previous: T | undefined, current: T) => void, |
| ) { |
| const previous = usePrevious(value); |
| useEffect(() => { |
| if (value !== previous) { |
| callback(previous, value); |
| } |
| }, [value, previous, callback]); |
| } |