Shared Axis Y
Shared Axis Y is a React and Tailwind CSS component from SmoothUI, licensed MIT. Copy it and paste it into your project.
SmoothUI
MIT
other
What it is
Shared Axis Y is a React and Tailwind CSS component from SmoothUI, 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.
Five free copies a month. No card.
Needs
npm i motion
Licence
This component comes from SmoothUI and is redistributed under the MIT licence, which permits commercial use. The copyright notice travels with the code.
Shared Axis Y
"use client";
import { AnimatePresence, motion, useReducedMotion } from "motion/react";
import { useEffect, useState } from "react";
export interface SharedAxisYProps {
className?: string;
/** Interval between phrase swaps in milliseconds. */
interval?: number;
phrases: string[];
}
const STAGGER_S = 0.078;
/**
* SharedAxisY — per-word hard-cut staircase transition.
* Each word flips in/out with stepped timing, creating a sharp editorial cascade.
* From the animate-text catalog (`shared-axis-y`, display: "Word Cut Staircase").
*/
export default function SharedAxisY({
phrases,
className = "",
interval = 2500,
}: SharedAxisYProps) {
const [index, setIndex] = useState(0);
const shouldReduceMotion = useReducedMotion();
useEffect(() => {
const id = setInterval(() => {
setIndex((prev) => (prev + 1) % phrases.length);
}, interval);
return () => clearInterval(id);
}, [interval, phrases.length]);
const words = (phrases[index] ?? "").split(" ");
return (
<span
aria-live="polite"
className={`inline-flex flex-wrap gap-x-[0.25em] ${className}`}
>
<AnimatePresence mode="wait">
<motion.span
className="inline-flex flex-wrap gap-x-[0.25em]"
key={index}
>
{words.map((word, i) => (
<motion.span
animate={{ opacity: 1 }}
exit={
shouldReduceMotion
? { opacity: 0, transition: { duration: 0 } }
: {
opacity: 0,
transition: { delay: i * STAGGER_S, duration: 0 },
}
}
initial={shouldReduceMotion ? { opacity: 1 } : { opacity: 0 }}
// biome-ignore lint/suspicious/noArrayIndexKey: words have no stable id
key={i}
style={{ display: "inline-block" }}
transition={
shouldReduceMotion
? { duration: 0 }
: { delay: i * STAGGER_S, duration: 0 }
}
>
{word}
</motion.span>
))}
</motion.span>
</AnimatePresence>
</span>
);
}