Dart protobuf: what version of protoc should I download?
You don't need anything special for JS. The compiler generates Dart code that gets compiled to JS
Install one of:
protoc-3.0.0-linux-x86_32.zip
protoc-3.0.0-linux-x86_64.zip
protoc-3.0.0-osx-x86_32.zip
protoc-3.0.0-osx-x86_64.zip
protoc-3.0.0-win32.zip