Variable Font Hover by Letter

Variable Font Hover by Letter 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

Variable Font Hover by Letter 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.

Variable Font Hover by Letter

fancy/text/variable-font-hover-by-letter.tsx

"use client"

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

interface TextProps {
  label: string
  fromFontVariationSettings: string
  toFontVariationSettings: string
  transition?: AnimationOptions
  staggerDuration?: number
  staggerFrom?: "first" | "last" | "center" | number
  className?: string
  onClick?: () => void
}

const VariableFontHoverByLetter = ({
  label,
  fromFontVariationSettings = "'wght' 400, 'slnt' 0",
  toFontVariationSettings = "'wght' 900, 'slnt' -10",
  transition = {
    type: "spring",
    duration: 0.7,
  },
  staggerDuration = 0.03,
  staggerFrom = "first",
  className,
  onClick,
  ...props
}: TextProps) => {
  const [scope, animate] = useAnimate()
  const [isHovered, setIsHovered] = useState(false)

  const mergeTransition = (baseTransition: AnimationOptions) => ({
    ...baseTransition,
    delay: stagger(staggerDuration, {
      from: staggerFrom,
    }),
  })

  const hoverStart = debounce(
    () => {
      if (isHovered) return
      setIsHovered(true)

      animate(
        ".letter",
        { fontVariationSettings: toFontVariationSettings },
        mergeTransition(transition)
      )
    },
    100,
    { leading: true, trailing: true }
  )

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

      animate(
        ".letter",
        { fontVariationSettings: fromFontVariationSettings },
        mergeTransition(transition)
      )
    },
    100,
    { leading: true, trailing: true }
  )

  return (
    <motion.span
      className={`${className}`}
      onHoverStart={hoverStart}
      onHoverEnd={hoverEnd}
      onClick={onClick}
      ref={scope}
      {...props}
    >
      <span className="sr-only">{label}</span>

      {label.split("").map((letter: string, i: number) => {
        return (
          <motion.span
            key={i}
            className="inline-block whitespace-pre letter"
            aria-hidden="true"
          >
            {letter}
          </motion.span>
        )
      })}
    </motion.span>
  )
}

export default VariableFontHoverByLetter

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