v1.0.0-alpha.20

Improve type definition #95, fixed #94

Prevent memory leak on unmount

React ref is mutable, which might cause issue that the ref has been set to null after unmount, but intersection observer are not removed.

Add Typescript definition

Thanks @lencse for adding Type definition

#87

Remove hard requirement on npm

#33

Remove npm requirement

#33 We don't need to have hard requirement on npm

Fix conflicted variable

#9

Extends from Component

Originally this HOC is extending PureComponent, but lots of case the props passed in are nested object which makes this component compute unnecessary props differences on update.

Decide to let parent/child component to handle should component update. #8

Correct isStateless logic

#7 update logic to identify stateless component, thanks @jamiees2

Support enter/leave viewport count

thanks to @matt-malone #6

This release starts to pass enterCount and leaveCount as a props to the component.

Publish es module

0.0.22

Publish es module