Codegen: convert spec name to camel case

Summary:
Replace dashes and underscores, use camel case for spec name.

Changelog:
[Internal]

Reviewed By: RSNara

Differential Revision: D30882610

fbshipit-source-id: b66a626296cb709f04c740eae714e89be13abf2c

packages/rn-tester/Podfile.lock

@@ -915,7 +915,7 @@ SPEC CHECKSUMS:
   React-RCTVibration: 1a58f6ab1ae5fad004119979b676cb5e912f2e44
   React-runtimeexecutor: 4b0c6eb341c7d3ceb5e2385cb0fdb9bf701024f3
   ReactCommon: 632474905edd9a20ec4f4084142ff4b4a4f3fd8b
-  ScreenshotManager: ba35548b279a0ec9ea99b25f4e8cbb26164d2ac4
+  ScreenshotManager: c5c6453f0227490e8610f405c79ecfe39b0114e4
   Yoga: c0d06f5380d34e939f55420669a60fe08b79bd75
   YogaKit: f782866e155069a2cca2517aafea43200b01fd5a
 

scripts/react_native_pods.rb

@@ -160,7 +160,7 @@ def use_react_native_codegen!(spec, options={})
   prefix = options[:react_native_path] ||= "../.."
 
   # Library name (e.g. FBReactNativeSpec)
-  library_name = options[:library_name] ||= "#{spec.name}Spec"
+  library_name = options[:library_name] ||= "#{spec.name.gsub('_','-').split('-').collect(&:capitalize).join}Spec"
 
   # Output dir, relative to podspec that invoked this method
   output_dir = options[:output_dir] ||= "#{library_name}"