Random Letter Swap Pingpong Anim

Random Letter Swap Pingpong Anim is a React and Tailwind CSS text component from Fancy Components, licensed MIT. Copy it and paste it into your project.

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What it is

Random Letter Swap Pingpong Anim is a React and Tailwind CSS text component from Fancy Components, licensed MIT. Copy it and paste it into your project.

How to use it

Open it in the catalogue, press copy, and paste it into your project. The prompt you copy carries the code and the rules that tell your agent to reproduce it without changing anything.

Open in the catalogue

Five free copies a month. No card.

Needs

npm i lodash motion

Licence

This component comes from Fancy Components and is redistributed under the MIT licence, which permits commercial use. The copyright notice travels with the code.

Random Letter Swap Pingpong Anim

fancy/text/random-letter-swap-pingpong-anim.tsx

"use client"

import { useState } from "react"
import { debounce } from "lodash"
import { AnimationOptions, motion, useAnimate } from "motion/react"

interface TextProps {
  label: string
  reverse?: boolean
  transition?: AnimationOptions
  staggerDuration?: number
  className?: string
  onClick?: () => void
}

const RandomLetterSwapPingPong = ({
  label,
  reverse = true,
  transition = {
    type: "spring",
    duration: 0.8,
  },
  staggerDuration = 0.02,
  className,
  onClick,
  ...props
}: TextProps) => {
  const [scope, animate] = useAnimate()
  const [blocked, setBlocked] = useState(false)

  const mergeTransition = (transition: AnimationOptions, i: number) => ({
    ...transition,
    delay: i * staggerDuration,
  })

  const shuffledIndices = Array.from(
    { length: label.length },
    (_, i) => i
  ).sort(() => Math.random() - 0.5)

  const hoverStart = debounce(
    () => {
      if (blocked) return
      setBlocked(true)

      for (let i = 0; i < label.length; i++) {
        const randomIndex = shuffledIndices[i]
        animate(
          ".letter-" + randomIndex,
          {
            y: reverse ? "100%" : "-100%",
          },
          mergeTransition(transition, i)
        )

        animate(
          ".letter-secondary-" + randomIndex,
          {
            top: "0%",
          },
          mergeTransition(transition, i)
        )
      }
    },
    100,
    { leading: true, trailing: true }
  )

  const hoverEnd = debounce(
    () => {
      setBlocked(false)

      for (let i = 0; i < label.length; i++) {
        const randomIndex = shuffledIndices[i]
        animate(
          ".letter-" + randomIndex,
          {
            y: 0,
          },
          mergeTransition(transition, i)
        )

        animate(
          ".letter-secondary-" + randomIndex,
          {
            top: reverse ? "-100%" : "100%",
          },
          mergeTransition(transition, i)
        )
      }
    },
    100,
    { leading: true, trailing: true }
  )

  return (
    <motion.span
      className={`flex justify-center items-center relative overflow-hidden  ${className} `}
      onHoverStart={hoverStart}
      onHoverEnd={hoverEnd}
      onClick={onClick}
      ref={scope}
      {...props}
    >
      <span className="sr-only">{label}</span>

      {label.split("").map((letter: string, i: number) => {
        return (
          <span
            className="whitespace-pre relative flex"
            key={i}
            aria-hidden={true}
          >
            <motion.span
              className={`relative pb-2 letter-${i}`}
              style={{ top: 0 }}
            >
              {letter}
            </motion.span>
            <motion.span
              className={`absolute letter-secondary-${i}`}
              style={{ top: reverse ? "-100%" : "100%" }}
            >
              {letter}
            </motion.span>
          </span>
        )
      })}
    </motion.span>
  )
}

export default RandomLetterSwapPingPong

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