React Motion UI Pack

React Motion is an amazing animation library for React. React Motion UI Pack tries to help ease entry level / common use cases with React Motion by providing a higher level way to work with it and create common UI transitions easier. If you need more complex animations I suggest using React Motion directly.

Usage

npm install react-motion-ui-pack --save

bower install react-motion-ui-pack --save

Example

import Transition from 'react-motion-ui-pack'

// Animate a list of items as they are added
<Transition
  component="ul"
  enter={{
    height: 'auto',
    opacity: 1,
  }}
  leave={{
    height: 0,
    opacity: 0,
  }}
>  
  {
    this.state.items.map(item =>
      <li key={item.id}>{item.content}</li>
    )
  }
</Transition>

// Animate a modal
<Transition
  component={false} // don't use a wrapping component
  enter={{
    opacity: 1,
    translateY: spring(0, {stiffness: 400, damping: 10})
  }}
  leave={{
    opacity: 0,
    translateY: 250
  }}
>
  {
    this.state.modalOpen &&
    <div key="modal" className="modal__content">
      // modal code
    </div>
  }
</Transition>

Props

component: define the wrapping tag around the children passed in, pass false to not use a wrapping component at all

runOnMount: Determines whether the animation runs on mount or not

appear: Where the animation starts, defaults to leave value if nothing passed

enter: The resting state of the animation

leave: The ending value of the animation

onEnter: Callback right before an element enters, passes in your current animating values onEnter={currentValues => /* do something */} called only once.

onLeave: Same as onEnter, but fires as an element is leaving

How `appear`, `enter`, & `leave` work

These values are automatically wrapped in a React Motion spring to keep the API simple. If you need a custom config you can pass your own spring e.g. spring(22, [30, 300]).

Control where values are applied

If you decide to use a custom component as a child, style and dimensions props will be passed into that component for you to use however you want. If you don't pass anything, <Transition /> will take care of applying the values for you to whatever React DOM element you pass it.

Dependencies

React Measure must be included in order to obtain proper auto dimensions to animate to.

FAQ

Stuff is overflowing out of my animating elements! Help?

Add overflow: hidden to your container element. This was a breaking change in 0.5.2.

Running Locally

clone repo

git clone git@github.com:souporserious/react-motion-ui-pack.git

move into folder

cd ~/react-motion-ui-pack

install dependencies

npm install

run dev mode

npm run dev

open your browser and visit: http://localhost:8080/

License

rlopez4/react-motion-ui-pack

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