How to import from a subdir in a React library when creating a Custom Component?

[daniel-fink]

react-map-gl requires importing Map from 'react-map-gl/maplibre' (note the subdir) when using MapLibre (rather than the default Mapbox, which imports from the root dir)

See: http://visgl.github.io/react-map-gl/docs/get-started#example

Mapbox seems to be wrapped fine however I cannot get MapLibre to work (eg, it looks for the wrong npm package if specifying react-map-gl/maplibre as the library)

How can I properly specify the import statement in the rx.Component subclass when defining the React library to wrap?