<!--
Thanks for your interest in contributing to Popper.js!

Please, make sure to fulfill the following conditions before submitting your Pull Request:

1. Make sure the tests are passing by running `yarn test` with Google Chrome installed.

2. Add any relevant tests to cover the code you have changed and/or added.

3. If you change the public API, try to update the Typescript definitions accordingly:
  https://github.com/FezVrasta/popper.js/blob/master/packages/popper/index.d.ts
  This is not required but will help a lot. Mention @giladgray for help as needed.


Problems signing the CLA? Try this link:
https://cla-assistant.io/FezVrasta/popper.js
-->
