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Creates closure goog.proto2.Message .pb.js source code from .proto files.


Supports type checking, though it uses the js number type for 64bit numbers.

Does not support extensions, custom options, or services.

Install dependencies:

npm install

Run tests:

npm test npm run-script tdd


  • detect circular imports
  • add @jsnamespace directive
  • check handing of default field values that are enums...
  • ensure goog.proto2.FieldDescriptor.FieldType, rather than goog.proto2.Message.FieldType
  • protoc cli compatibility
  • node getter/setter output