@mantine/core/esm/components/Transition/use-transition.mjs

React components library focused on usability, accessibility and developer experience

'use client';
import { useState, useRef, useEffect } from 'react';
import ReactDOM from 'react-dom';
import { useReducedMotion, useDidUpdate } from '@mantine/hooks';
import 'react/jsx-runtime';
import 'clsx';
import '../../core/MantineProvider/Mantine.context.mjs';
import '../../core/MantineProvider/default-theme.mjs';
import '../../core/MantineProvider/MantineProvider.mjs';
import { useMantineTheme } from '../../core/MantineProvider/MantineThemeProvider/MantineThemeProvider.mjs';
import '../../core/MantineProvider/MantineCssVariables/MantineCssVariables.mjs';
import '../../core/Box/Box.mjs';
import '../../core/DirectionProvider/DirectionProvider.mjs';

function useTransition({
  duration,
  exitDuration,
  timingFunction,
  mounted,
  onEnter,
  onExit,
  onEntered,
  onExited
}) {
  const theme = useMantineTheme();
  const shouldReduceMotion = useReducedMotion();
  const reduceMotion = theme.respectReducedMotion ? shouldReduceMotion : false;
  const [transitionDuration, setTransitionDuration] = useState(reduceMotion ? 0 : duration);
  const [transitionStatus, setStatus] = useState(mounted ? "entered" : "exited");
  const timeoutRef = useRef(-1);
  const rafRef = useRef(-1);
  const handleStateChange = (shouldMount) => {
    const preHandler = shouldMount ? onEnter : onExit;
    const handler = shouldMount ? onEntered : onExited;
    window.clearTimeout(timeoutRef.current);
    const newTransitionDuration = reduceMotion ? 0 : shouldMount ? duration : exitDuration;
    setTransitionDuration(newTransitionDuration);
    if (newTransitionDuration === 0) {
      typeof preHandler === "function" && preHandler();
      typeof handler === "function" && handler();
      setStatus(shouldMount ? "entered" : "exited");
    } else {
      rafRef.current = requestAnimationFrame(() => {
        ReactDOM.flushSync(() => {
          setStatus(shouldMount ? "pre-entering" : "pre-exiting");
        });
        rafRef.current = requestAnimationFrame(() => {
          typeof preHandler === "function" && preHandler();
          setStatus(shouldMount ? "entering" : "exiting");
          timeoutRef.current = window.setTimeout(() => {
            typeof handler === "function" && handler();
            setStatus(shouldMount ? "entered" : "exited");
          }, newTransitionDuration);
        });
      });
    }
  };
  useDidUpdate(() => {
    handleStateChange(mounted);
  }, [mounted]);
  useEffect(
    () => () => {
      window.clearTimeout(timeoutRef.current);
      cancelAnimationFrame(rafRef.current);
    },
    []
  );
  return {
    transitionDuration,
    transitionStatus,
    transitionTimingFunction: timingFunction || "ease"
  };
}

export { useTransition };
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