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Shared Axis Z

Shared Axis Z 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 Z 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 Z

index.tsx
"use client";

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

export interface SharedAxisZProps {
  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;

/**
 * SharedAxisZ — scale/depth phrase transition inspired by Google Material shared axis (Z).
 * Incoming phrase scales up from 0.9 with a soft blur; outgoing scales to 1.06 and fades.
 * From the animate-text catalog (`shared-axis-z`).
 */
export default function SharedAxisZ({
  phrases,
  className = "",
  interval = 2500,
}: SharedAxisZProps) {
  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 }
              : { filter: "blur(0px)", opacity: 1, scale: 1 }
          }
          exit={
            shouldReduceMotion
              ? { opacity: 0, transition: { duration: 0 } }
              : {
                  filter: "blur(1px)",
                  opacity: 0,
                  scale: 1.06,
                  transition: { duration: 0.36, ease: EXIT_EASE },
                }
          }
          initial={
            shouldReduceMotion
              ? { opacity: 1 }
              : { filter: "blur(2px)", opacity: 0, scale: 0.9 }
          }
          key={index}
          style={{ display: "inline-block" }}
          transition={
            shouldReduceMotion
              ? { duration: 0 }
              : { duration: 0.52, ease: ENTER_EASE }
          }
        >
          {phrases[index]}
        </motion.span>
      </AnimatePresence>
    </span>
  );
}

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