React-Perfect-Scrollbar   

This is a wrapper to allow use perfect-scrollbar in React.

To read documentation for versions < 1.0, please visit v0.2.5.

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Install the package npm install react-perfect-scrollbar -S
Import the css file if you have loader for css files:
``js
import 'react-perfect-scrollbar/dist/css/styles.css';
`

Import the module in the place you want to use:
`js
import PerfectScrollbar from 'react-perfect-scrollbar'
`

Wrap you content in this component:
`jsx

... SCROLLBAR CONTENT HERE ...

`

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The following props are accepted:
#### options
The optional parameters used to initialize perfect-scrollbar.
For more info, please refer to https://github.com/utatti/perfect-scrollbar#options

This prop previously was called "option", but has since been renamed.
If you provide "option" as a prop, it will be used unless "options" is also passed.

#### containerRef
Return the container ref: (ref) => void;
If you want to scroll to somewhere, just update scrollTop/scrollLeft by the ref:
`js
// Suppose you have save the containerRef to this._scrollRef
// change scroll top
this._scrollRef.scrollTop = 0;

// change scroll left
this._scrollRef.scrollLeft = 0;
`

#### component
The container component type. Default to "div". Only string is allowed.
#### className
The className added to container.
#### style
The style added to container.
#### onScrollY
Invoked when the y-axis is scrolled in either direction.
#### onScrollX
Invoked when the x-axis is scrolled in either direction.
#### onScrollUp
Invoked when scrolling upwards.
#### onScrollDown
Invoked when scrolling downwards.
#### onScrollLeft
Invoked when scrolling to the left.
#### onScrollRight
Invoked when scrolling to the right.
#### onYReachStart
Invoked when scrolling reaches the start of the y-axis.
#### onYReachEnd
Invoked when scrolling reaches the end of the y-axis (useful for infinite scroll).
#### onXReachStart
Invoked when scrolling reaches the start of the x-axis.
#### onXReachEnd
Invoked when scrolling reaches the end of the x-axis.

All the callback 'onXXXX' can accept a parameter: the ref to the scrollbar container. You can get the current scrollTop and scrollLeft from it:
`jsx
onScrollY={container => console.log(scrolled to: ${container.scrollTop}.)}>
... SCROLLBAR CONTENT HERE ...

`

#### onSync
Invoked when PerfectScrollbar comp needs to sync the scrollbar container by invoking ps.update()(Basically, it is invoked in CDU lifecycle) and receive the internal perfect-scroll instance ps as parameter.

It is useful when you want to customize the sync logic in some scenarios, eg: debounce the invocation of ps.update().

For more detail, please refer to issue#87 and the example directory.

#### React.HTMLAttributes
Any attributes defined in React.HTMLAttributes can be used for the component.

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The following method can be called by the component ref:
#### updateScroll
Update the scrollbar(e.g. recalculate the size) manually.
In the following case, the scrollbar will not update automatically, which cause the scrollbar size incorrect.
`js
class Container extends Component {
...
render() {
return (

...

...

);
}
}

class ChildComponent extends Component {
handleClick = () => {
this.setState({
show: !this.state.show,
});
}

render () {
return (