voice-agent-examples / web-ui /src /hooks /useRequestAnimationFrame.ts
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/*
* SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed 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 { useCallback, useEffect, useRef, useState } from "react";
export default function useRequestAnimationFrame(): void {
// eslint-disable-next-line @typescript-eslint/no-unused-vars
const [_, setCurrentFrame] = useState<number>();
const animationFrameRequestRef = useRef<number>(null);
const onAnimationFrameAvailable = useCallback((e: number) => {
setCurrentFrame(e);
animationFrameRequestRef.current = requestAnimationFrame(
onAnimationFrameAvailable
);
}, []);
useEffect(() => {
animationFrameRequestRef.current = requestAnimationFrame(
onAnimationFrameAvailable
);
return () => cancelAnimationFrame(animationFrameRequestRef.current!);
}, [onAnimationFrameAvailable]);
}