* Fix vega OnClick warning
* Fix Scale bindings warning
* Fix infinite extent warning
* Added comments
* Added optimizations
* Changes based on reviewers comments
* Replace == "string" with isString type-guard
* TODO: new callback onclick test
* Access the click event in the callback function
* fix merge conflict error
* fix build error - remove src exports
* fix useCallback dep
* minor refactoring
* TODO: improve callback fn
* Update callback fn.
* Update CHANGES.md and bump up the version
* Remove print