@base-ui-components/react/esm/utils/useOpenChangeComplete.js

Base UI is a library of headless ('unstyled') React components and low-level hooks. You gain complete control over your app's CSS and accessibility features.

'use client';

import * as React from 'react';
import { useEventCallback } from '@base-ui-components/utils/useEventCallback';
import { useLatestRef } from '@base-ui-components/utils/useLatestRef';
import { useAnimationsFinished } from "./useAnimationsFinished.js";

/**
 * Calls the provided function when the CSS open/close animation or transition completes.
 */
export function useOpenChangeComplete(parameters) {
  const {
    enabled = true,
    open,
    ref,
    onComplete: onCompleteParam
  } = parameters;
  const openRef = useLatestRef(open);
  const onComplete = useEventCallback(onCompleteParam);
  const runOnceAnimationsFinish = useAnimationsFinished(ref, open);
  React.useEffect(() => {
    if (!enabled) {
      return;
    }
    runOnceAnimationsFinish(() => {
      if (open === openRef.current) {
        onComplete();
      }
    });
  }, [enabled, open, onComplete, runOnceAnimationsFinish, openRef]);
}