nestjs winston logger code example

Example: nest winston

// my.service.ts
import { PinoLogger, InjectPinoLogger } from "nestjs-pino";

@Injectable()
export class MyService {
  // regular injecting
  constructor(private readonly logger: PinoLogger) {}

  // regular injecting and set context
  constructor(private readonly logger: PinoLogger) {
    logger.setContext(MyService.name);
  }

  // inject and set context via `InjectPinoLogger`
  constructor(
    @InjectPinoLogger(MyService.name) private readonly logger: PinoLogger
  ) {}

  getWorld(...params: any[]) {
    this.logger.info("getWorld(%o)", params);
    return "World!";
  }
}