React – animate mount and unmount of a single component

React – Animate Mount and Unmount of a Single Component

React is a popular JavaScript library used for building user interfaces. One common requirement in web development is to animate the mount and unmount of a single component in React. In this blog post, we will explore different ways to achieve this animation effect.

Solution 1: React Transition Group

React Transition Group is a popular library that provides a set of components for managing animations. To animate the mount and unmount of a single component, we can use the CSSTransition component from React Transition Group.

First, let’s install React Transition Group using npm:

npm install react-transition-group

Next, import the necessary components and CSS styles:

import React from 'react';
import { CSSTransition } from 'react-transition-group';
import './styles.css';

Create a component that needs to be animated:

const AnimatedComponent = ({ show }) => {
  return (
    <CSSTransition
      in={show}
      timeout={300}
      classNames="fade"
      unmountOnExit
    >
      <div className="component">Hello, World!</div>
    </CSSTransition>
  );
};

In the above code, we pass the show prop to determine whether the component should be mounted or unmounted. The timeout prop specifies the duration of the animation in milliseconds. The classNames prop defines the CSS class name for the animation. The unmountOnExit prop ensures that the component is unmounted after the animation completes.

Finally, add CSS styles to create the desired animation effect:

.fade-enter {
  opacity: 0;
}

.fade-enter-active {
  opacity: 1;
  transition: opacity 300ms;
}

.fade-exit {
  opacity: 1;
}

.fade-exit-active {
  opacity: 0;
  transition: opacity 300ms;
}

Now, you can use the AnimatedComponent in your application and control its mount and unmount using the show prop.

Solution 2: React Spring

React Spring is another powerful animation library for React. It provides a declarative way to create animations using JavaScript instead of CSS.

To animate the mount and unmount of a single component using React Spring, follow these steps:

First, install React Spring using npm:

npm install react-spring

Next, import the necessary components and hooks:

import React from 'react';
import { useTransition, animated } from 'react-spring';

Create a component that needs to be animated:

const AnimatedComponent = ({ show }) => {
  const transitions = useTransition(show, null, {
    from: { opacity: 0 },
    enter: { opacity: 1 },
    leave: { opacity: 0 },
  });

  return transitions.map(({ item, key, props }) =>
    item ? (
      <animated.div key={key} style={props} className="component">
        Hello, World!
      </animated.div>
    ) : null
  );
};

In the above code, we use the useTransition hook to define the animation transitions. The from object specifies the initial state, the enter object defines the state during mounting, and the leave object defines the state during unmounting.

Finally, use the AnimatedComponent in your application and control its mount and unmount using the show prop.

That’s it! You have learned two different ways to animate the mount and unmount of a single component in React. Choose the solution that best fits your project requirements and start creating stunning animations!

HTML Output:
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React – Animate Mount and Unmount of a Single Component

React is a popular JavaScript library used for building user interfaces. One common requirement in web development is to animate the mount and unmount of a single component in React. In this blog post, we will explore different ways to achieve this animation effect.

Solution 1: React Transition Group

React Transition Group is a popular library that provides a set of components for managing animations. To animate the mount and unmount of a single component, we can use the CSSTransition component from React Transition Group.

First, let’s install React Transition Group using npm:

npm install react-transition-group

Next, import the necessary components and CSS styles:

import React from 'react';
import { CSSTransition } from 'react-transition-group';
import './styles.css';

Create a component that needs to be animated:

const AnimatedComponent = ({ show }) => {
  return (
    
      Hello, World!
    
  );
};

In the above code, we pass the show prop to determine whether the component should be mounted or unmounted. The timeout prop specifies the duration of the animation in milliseconds. The classNames prop defines the CSS class name for the animation. The unmountOnExit prop ensures that the component is unmounted after the animation completes.

Finally, add CSS styles to create the desired animation effect:

<

pre>.fade-enter { opacity: 0; }

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