Infinite Slider

1'use client';
2import { cn } from '@/lib/utils';
3import { useMotionValue, animate, motion } from 'motion/react';
4import { useState, useEffect } from 'react';
5import useMeasure from 'react-use-measure';
6 
7export type InfiniteSliderProps = {
8  children: React.ReactNode;
9  gap?: number;
10  speed?: number;
11  speedOnHover?: number;
12  direction?: 'horizontal' | 'vertical';
13  reverse?: boolean;
14  className?: string;
15};
16 
17export function InfiniteSlider({
18  children,
19  gap = 16,
20  speed = 100,
21  speedOnHover,
22  direction = 'horizontal',
23  reverse = false,
24  className,
25}: InfiniteSliderProps) {
26  const [currentSpeed, setCurrentSpeed] = useState(speed);
27  const [ref, { width, height }] = useMeasure();
28  const translation = useMotionValue(0);
29  const [isTransitioning, setIsTransitioning] = useState(false);
30  const [key, setKey] = useState(0);
31 
32  useEffect(() => {
33    let controls;
34    const size = direction === 'horizontal' ? width : height;
35    const contentSize = size + gap;
36    const from = reverse ? -contentSize / 2 : 0;
37    const to = reverse ? 0 : -contentSize / 2;
38 
39    const distanceToTravel = Math.abs(to - from);
40    const duration = distanceToTravel / currentSpeed;
41 
42    if (isTransitioning) {
43      const remainingDistance = Math.abs(translation.get() - to);
44      const transitionDuration = remainingDistance / currentSpeed;
45 
46      controls = animate(translation, [translation.get(), to], {
47        ease: 'linear',
48        duration: transitionDuration,
49        onComplete: () => {
50          setIsTransitioning(false);
51          setKey((prevKey) => prevKey + 1);
52        },
53      });
54    } else {
55      controls = animate(translation, [from, to], {
56        ease: 'linear',
57        duration: duration,
58        repeat: Infinity,
59        repeatType: 'loop',
60        repeatDelay: 0,
61        onRepeat: () => {
62          translation.set(from);
63        },
64      });
65    }
66 
67    return controls?.stop;
68  }, [
69    key,
70    translation,
71    currentSpeed,
72    width,
73    height,
74    gap,
75    isTransitioning,
76    direction,
77    reverse,
78  ]);
79 
80  const hoverProps = speedOnHover
81    ? {
82        onHoverStart: () => {
83          setIsTransitioning(true);
84          setCurrentSpeed(speedOnHover);
85        },
86        onHoverEnd: () => {
87          setIsTransitioning(true);
88          setCurrentSpeed(speed);
89        },
90      }
91    : {};
92 
93  return (
94    <div className={cn('overflow-hidden', className)}>
95      <motion.div
96        className='flex w-max'
97        style={{
98// … truncated