Only works if I resize the window.

[Martin]

onBreach doesn't fire unless I resize the window.
Using it like this;

<Perimeter
onBreach={() => console.log('should write to console')}
padding={24}
once={true}>
  <Link to="/link">Link</Link>
</Perimeter>

[Brandon Dail]

Can you provide an example reproducing your issue? Unfortunately, isn't enough information here for me to provide any meaningful help.