animare/src/preact/useAnimare.ts

Advanced animation library for modern JavaScript.

import { useEffect, useState } from 'preact/hooks';

import type { GroupTimelineObject, SingleObject, TimelineObject } from '../types.js';

/**
 * `useAnimare` custom React hook.
 *
 * @example
 *
 * import { useAnimare } from 'animare/react';
 *
 * useAnimare(() => {
 *   return animare(...params);
 *   // or
 *   return animare.single(...params);
 * }, []);
 *
 */
export function useAnimare<Name extends string>(
  callback: () => TimelineObject<Name>,
  deps?: React.DependencyList,
): TimelineObject<Name>;
export function useAnimare(callback: () => GroupTimelineObject, deps?: React.DependencyList): GroupTimelineObject;
export function useAnimare(callback: () => SingleObject, deps?: React.DependencyList): SingleObject;
export function useAnimare<Name extends string, R extends TimelineObject<Name> | GroupTimelineObject | SingleObject>(
  callback: () => R,
  deps: React.DependencyList = [],
): R {
  const [animation, setAnimation] = useState<R>();

  useEffect(() => {
    // clean previous
    if (animation) {
      animation.clearEvents();
      if (animation.timelineInfo.isPlaying) animation.pause();
    }

    // set new
    const newAnimation = callback();
    setAnimation(newAnimation);

    // clean current
    return () => {
      newAnimation.clearEvents();
      if (newAnimation.timelineInfo.isPlaying) newAnimation.pause();
    };

    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, deps);

  return animation as R;
}