@grpc.ts/nestjs-client
v1.0.4
Published
NestJS package for client
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NestJS's Dynamic Module for Client.
Install
npm install --save @grpc.ts/nestjs-client
# or
yarn add @grpc.ts/nestjs-client
# or
pnpm add @grpc.ts/nestjs-client
Usage
// example.proto
syntax = "proto3";
import "google/protobuf/timestamp.proto";
package example.v1;
message Message {
string message = 1;
google.protobuf.Timestamp created_at = 2;
}
message SendMessageRequest {
string message = 1;
google.protobuf.Timestamp created_at = 2;
}
message GetMessageResponse { Message message = 1; }
service ExampleService {
rpc SendMessage(SendMessageRequest) returns (GetMessageResponse);
}
In NestJS
// client.module.ts
import { Module } from '@nestjs/common';
import { GrpcClient } from '@grpc.ts/nestjs-client';
import { ClientController } from './client.controller';
@Module({
imports: [
GrpcClient.register([
{
url: 'localhost:3010',
package: [
{
packageName: 'example.v1',
protoPath: '../proto/example.proto',
},
{
packageName: 'example2.v1',
protoPath: '../proto/example2.proto',
},
{
protoPath: '../proto/example3.proto',
},
],
packageDefinitionOptions: {
oneofs: true,
longs: String,
enums: String,
defaults: true,
},
options: {
keepaliveTimeMs: 5_000,
},
},
]),
],
controllers: [ClientController],
})
export class ClientModule {}
// client.controller.ts
import { Controller, Get } from '@nestjs/common';
import {
GrpcService,
createMetadata,
dateToGrpcTimestamp,
} from '@grpc.ts/nestjs-client';
@Controller('/client')
export class ClientController {
constructor(
@GrpcService({
serviceName: 'ExampleService',
})
private readonly exampleService: any,
) {}
@Get()
public async sendMessage(): Promise<string> {
this.exampleService
.sendMessage(
{ message: 'hello', createdAt: dateToGrpcTimestamp(new Date()) },
createMetadata({
meta: 'test',
}),
)
.then((data) => {
console.log(data);
})
.catch((err) => {
console.log(err);
});
return 'Ok!';
}
}