@okta/okta-signin-widget/src/v3/hooks/useOnce.ts

The Okta Sign-In Widget

/*
 * Copyright (c) 2023-present, Okta, Inc. and/or its affiliates. All rights reserved.
 * The Okta software accompanied by this notice is provided pursuant to the Apache License, Version 2.0 (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 { useRef } from 'preact/hooks';

export const useOnce = (callback: () => void) => {
  const callbackCalled = useRef(false);

  if (!callbackCalled.current) {
    callbackCalled.current = true;
    callback();
  }
};