react-native 0.59.5w & react-native-code-push 5.6.0

Author: lisong

.babelrc

@@ -24,11 +24,13 @@
 [libs]
 node_modules/react-native/Libraries/react-native/react-native-interface.js
 node_modules/react-native/flow/
-node_modules/react-native/flow-github/
 
 [options]
 emoji=true
 
+esproposal.optional_chaining=enable
+esproposal.nullish_coalescing=enable
+
 module.system=haste
 module.system.haste.use_name_reducers=true
 # get basename
@@ -64,4 +66,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowFixedInNextDeploy
 suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 
 [version]
-^0.75.0
+^0.92.0