react-smooth

What is react-smooth?

The react-smooth package provides a set of tools to implement smooth animations in React applications. It allows developers to animate the appearance, disappearance, and property changes of components with ease. The package offers a high-level API for common animations, making it straightforward to add smooth transitions without delving into the complexities of animation libraries.

What are react-smooth's main functionalities?

Fade In Animation

This feature allows elements to fade in smoothly. The `fadeIn` component wraps any content that should appear with a fading effect.

import { fadeIn } from 'react-smooth';

function FadeInExample() {
  return (
    <fadeIn>
      <div>Content to fade in</div>
    </fadeIn>
  );
}

Animate on Property Change

This feature enables animation between different states based on property changes. The `Animate` component is used to transition between a start and end state, such as changing the opacity.

import { Animate } from 'react-smooth';

function AnimateOnChangeExample() {
  return (
    <Animate start={{ opacity: 0 }} end={{ opacity: 1 }}>
      <div>Content that changes opacity</div>
    </Animate>
  );
}

Other packages similar to react-smooth

react-motion

React-motion is a popular library for animations in React. It offers a powerful spring configuration to create fluid animations. Compared to react-smooth, react-motion provides more control over the physics of the animations, making it suitable for complex animations but potentially overkill for simple fades or transitions.

react-spring

React-spring is another animation library for React that focuses on spring physics to create natural motion. It supports a wide range of animations, including transitions, parallax effects, and more. React-spring is similar to react-smooth in ease of use but offers more extensive customization options and supports more complex animations.

README

react-smooth

react-smooth is a animation library work on React.

install

npm install --save react-smooth

Usage

ordinary animation

<Animate to="0" attributeName="opacity">
  <div />
</Animate>

steps animation

const steps = [{
  style: {
    opacity: 0,
  },
  moment: 400,
}, {
  style: {
    opacity: 1,
    transform: 'translate(0, 0)',
  },
  moment: 1000,
}, {
  style: {
    transform: 'translate(100px, 100px)',
  },
  moment: 1200,
}];

<Animate steps={steps}>
  <div />
</Animate>

children can be a function

<Animate from={{ opacity: 0 }}
  to={{ opacity: 1 }}
  easing="ease-in"
  >
  {
    ({ opacity }) => <div style={{ opacity }}></div>
  }
</Animate>

you can configure js timing function

const easing = configureBezier(0.1, 0.1, 0.5, 0.8);
const easing = configureSpring({ stiff: 170, damping: 20 });

group animation

const appear = {
  from: 0,
  to: 1,
  attributeName: 'opacity',
};

const leave = {
  steps: [{
    moment: 0,
    style: {
      transform: 'translateX(0)',
    },
  }, {
    moment: 1000,
    style: {
      transform: 'translateX(300)',
      height: 50,
    },
  }, {
    moment: 2000,
    style: {
      height: 0,
    },
  }]
}

<AnimateGroup appear={appear} leave={leave}>
  { list }
</AnimateGroup>

API

Animate

name	type	default	description
from	string or object	''	set the initial style of the children
to	string or object	''	set the final style of the children
canBegin	boolean	true	whether the animation is start
begin	number	0	animation delay time
duration	number	1000	animation duration
steps	array	[]	animation keyframes
onAnimationEnd	function	() => {}	called when animation finished
attributeName	string	''	style property
easing	string	'ease'	the animation timing function, support css timing function temporary
isActive	boolean	true	whether the animation is active
children	element		support only child temporary

AnimateGroup

name	type	default	description
appear	object	undefined	configure element appear animation
enter	object	undefined	configure element appear animation
leave	object	undefined	configure element appear animation

License

MIT

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