feat: Add use-numeric-enum-json option. (#625)

If this option is enabled, the JSON encoder (toJSON) will encode enum values as integer, rather than the string.
stephenh · Jul 28, 2022 · cd53d8c · cd53d8c
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diff --git a/README.markdown b/README.markdown
@@ -435,6 +435,8 @@ Generated code will be placed in the Gradle build directory.
   Requires `onlyTypes=true`. Implies `useDate=string` and `stringEnums=true`. This option is to generate types that can be directly used with marshalling/unmarshalling Protobuf messages serialized as JSON.  
   You may also want to set `useOptionals=all`, as gRPC gateways are not required to send default value for scalar values.
 
+- With '--ts_proto_opt=useNumericEnumForJson=true`, the JSON converter (`toJSON`) will encode enum values as int, rather than a string literal.
+
 ### NestJS Support
 
 We have a great way of working together with [nestjs](https://docs.nestjs.com/microservices/grpc). `ts-proto` generates `interfaces` and `decorators` for you controller, client. For more information see the [nestjs readme](NESTJS.markdown).