grpc-host-builder

grpc-host-builder

Lightweight configurator for gRPC host

Install

npm i grpc-host-builder

Usage

const { GrpcHostBuilder } = require("grpc-host-builder");

/*...*/

class InterceptorForTom {
  constructor(serverContext) {
    this._logger = serverContext.createLogger();
  }

  async invoke(call, methodDefinition, next) {
    /*...*/

    if (call.request.name === "Tom") return { message: "Hello again, Tom!" };
    return await next(call);
  }
}

/*...*/

const server = await new GrpcHostBuilder()
  .useLoggersFactory(loggersFactory)
  .addInterceptor(InterceptorForTom)
  .addInterceptor(async (call, methodDefinition, next) => {
    if (call.request.name === "Jane") return { message: "Hello dear, Jane!" };
    return await next(call);
  })
  .addService(packageObject.v1.Greeter.service, {
    sayHello: (call) => {
      const request = new HelloRequest(call.request);
      return new HelloResponse({ message: `Hello, ${request.name}!` });
    },
  })
  .bind(grpcBind)
  .buildAsync();