Our build/deploy process does `npm i react-native`, which depends on babel, which depends on left-pad, so our builds failed for a little while. We use `npm shr

Our build/deploy process does `npm i react-native`, which depends on babel, which depends on left-pad, so our builds failed for a little while. We use `npm shrinkwrap` to stay fixed on specific versions of packages, but that doesn't help if they're unpublished.