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Shared Axis X

Shared Axis X is a React and Tailwind CSS component from SmoothUI, licensed MIT. Copy it and paste it into your project.

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What it is

Shared Axis X 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.

Open in the catalogue

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 X

index.tsx
"use client";

import { AnimatePresence, motion, useReducedMotion } from "motion/react";
import { useEffect, useState } from "react";

export interface SharedAxisXProps {
  className?: string;
  /** Interval between phrase swaps in milliseconds. */
  interval?: number;
  phrases: string[];
}

const ENTER_EASE = [0.2, 0, 0, 1] as const;
const EXIT_EASE = [0.4, 0, 1, 1] as const;

/**
 * SharedAxisX — horizontal shared-axis phrase transition inspired by Google Material.
 * Outgoing phrase slides left as the next slides in from the right.
 * From the animate-text catalog (`shared-axis-x`).
 */
export default function SharedAxisX({
  phrases,
  className = "",
  interval = 2500,
}: SharedAxisXProps) {
  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]);

  return (
    <span
      aria-live="polite"
      className={`relative inline-block overflow-hidden ${className}`}
    >
      <AnimatePresence mode="wait">
        <motion.span
          animate={
            shouldReduceMotion ? { opacity: 1 } : { opacity: 1, scale: 1, x: 0 }
          }
          exit={
            shouldReduceMotion
              ? { opacity: 0, transition: { duration: 0 } }
              : {
                  opacity: 0,
                  scale: 0.98,
                  transition: { duration: 0.36, ease: EXIT_EASE },
                  x: -20,
                }
          }
          initial={
            shouldReduceMotion
              ? { opacity: 1 }
              : { opacity: 0, scale: 0.98, x: 24 }
          }
          key={index}
          style={{ display: "inline-block" }}
          transition={
            shouldReduceMotion
              ? { duration: 0 }
              : { duration: 0.5, ease: ENTER_EASE }
          }
        >
          {phrases[index]}
        </motion.span>
      </AnimatePresence>
    </span>
  );
}

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