Intersection Ratio

This release exposes the intersectionRatio, giving you a bit more insight into what triggered an update.

import { InView } from 'react-intersection-observer'

const Component = () => (
  <InView>
    {({ inView, ref, intersectionRatio }) => (
      <div ref={ref}>
        <h2>{`Header inside viewport ${inView} at ${intersectionRatio}`}</h2>
      </div>
    )}
  </InView>
)

export default Component

See #123