Summary:
Solves issue #7632 where fonts with only a single font weight/type would not render.
Example of a built-in font that would not render is `Zapfino` and other custom fonts like `Impact` would not render.
Closes https://github.com/facebook/react-native/pull/10572
Differential Revision: D4143335
Pulled By: hramos
fbshipit-source-id: 2f64aad2fb5ddc7aae2ca7a5362a89b45e550e13
Summary:
Ground work for allowing `font-variant`s. Currently allows switching between `tabular-nums` and `proportional-nums`. I will need guidance on how to test this, and a few pointers on code style (new to Objective C, and had to make one or two hacks).
Closes https://github.com/facebook/react-native/pull/9045
Reviewed By: majak
Differential Revision: D3664338
Pulled By: javache
fbshipit-source-id: 032f326c37ee6150348da2b33b6a3fc1988e8920