We use the Improbable grpc-web client (linked in the post), plus a thin promises wrapper. We haven't used gRPC from NodeJS (you wouldn't need the grpc-web detou

We use the Improbable grpc-web client (linked in the post), plus a thin promises wrapper. We haven't used gRPC from NodeJS (you wouldn't need the grpc-web detour since NodeJS can just speak the "real" gRPC protocol).