democratic-csi/src/utils/grpc.js

class GrpcError {
  constructor(code, message = "") {
    this.name = "GrpcError";
    this.code = code;
    this.message = message;
  }
}

module.exports.GrpcError = GrpcError;

const grpcImplementation = process.env.GRPC_IMPLEMENTATION || "@grpc/grpc-js";
console.log(`grpc implementation: ${grpcImplementation}`);
module.exports.grpc = require(grpcImplementation);