Animate with the react-spring Library — useChain and Spring Component

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With the react-spring library, we can render animations in our React app easily.

In this article, we’ll take a look at how to get started with react-spring.


The useChain hook lets us render one transition after the other.

For example, we can write:

import React, { useRef, useState } from "react";
import {
} from "react-spring";

export default function App() {
  const [on, toggle] = useState(false);

  const springRef = useRef();
  const spring = useSpring({
    ref: springRef,
    from: { opacity: 0.5 },
    to: { opacity: on ? 1 : 0.5 },
    config: { tension: 250 }

  const trailRef = useRef();
  const trail = useTrail(5, {
    ref: trailRef,
    from: { fontSize: "10px" },
    to: { fontSize: on ? "35px" : "10px" }

  useChain(on ? [springRef, trailRef] : [trailRef, springRef]);

  return (
      {, index) => (
        <animated.div style={{ ...animation, ...spring }} key={index}>
          Hello World

      <button onClick={() => toggle(!on)}>toggle</button>

to animate the toggling of the size of the ‘Hello World’ text.

We create the on state with the toggle function to toggle the on state.

Then we create a ref with the useRef hook and create a transition with the useSpring hook.

We set the ref property to the springRef so we can use that in the useChain hook.

Likewise, we use the useTrail to create the 2nd transition.

Then we use th useChain hook to create the 2 animations combined together.

Their order depends on the value of the on state.

Then we render the Hello World text by calling the method to apply the styles for each stage of the animation.

Now when we click ‘toggle’, we see the Hello World text size change.

Render Props API

The react-spring library comes with a render props API.

To use this to create animations, we use the Spring component.

For example, we can write:

import React from "react";
import { Spring } from "react-spring/renderprops";

export default function App() {
  return (
      <Spring from={{ opacity: 0 }} to={{ opacity: 1 }}>
        {(props) => <div style={props}>hello</div>}

to add the Spring component.

We set the from prop to add the styles to apply at the start of the animation.

And we add the to prop to add the styles to apply at the end of the animation.

And in the render prop, we pass in a function with the content that we want to render.

The props parameter has the styles that are applied at each stage of the animation, so we pass that into the style prop to apply them.

Also, we can animate numbers by writing:

import React from "react";
import { Spring } from "react-spring/renderprops";

export default function App() {
  return (
      <Spring from={{ number: 0 }} to={{ number: 1 }}>
        {(props) => <div>{props.number}</div>}

We set the number to display at the beginning and the end of the animation with the from and to props respectively.

Then we the number animate from 0 to 1.


We can use the useChain hook to chain animations.

And we can use the Spring component to render animations.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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