@tresdoce/nestjs-logger

NestJS - Logger

Esta dependencia está pensada para ser utilizada en NestJs Starter, o cualquier proyecto que utilice una configuración centralizada, siguiendo la misma arquitectura del starter.

Glosario

• 📝 Requerimientos básicos
• 🛠️ Instalar dependencia
• ⚙️ Configuración
• 👨‍💻️ Uso
• 🖥 Logs
• 📤 Commits
• 📄 Changelog
• 📜 License MIT

---

📝 Requerimientos básicos

• NestJs Starter
• Node.js v14.15.4 or higher (Download)
• NPM v6.14.10 or higher
• NestJS v8.2.0 or higher (Documentación)

🛠️ Instalar dependencia

npm install @tresdoce/nestjs-logger

⚙️ Configuración

Para utilizar este módulo, es necesario instanciarlo en la creación de la app con su global interceptor y también en el módulo principal.

// ./src/main.ts
import { LoggingInterceptor, LoggingService } from '@tresdoce/nestjs-logger';
import { config } from './config';

async function bootstrap() {
  const app = await NestFactory.create(AppModule, {
    logger: new LoggingService('info', config()),
  });
  ...
  app.useGlobalInterceptors(new LoggingInterceptor(app.get<LoggingService>(LoggingService)));
  ...
}

// ./src/app.module.ts
import { LoggingModule } from '@tresdoce/nestjs-logger';

@Module({
  ...
  imports: [
    ...
    LoggingModule.register(),
    ...
  ],
  ...
})

👨‍💻️ Uso

Para poder hacer uso de algún metódo del servicio que se exporta mediante este módulo, debes inyectar el LoggingService en el constructor del componente donde vas a utilizarlo, definiendo el type como LoggingService.

Logs disponibles: log info error warn debug trace

// ./src/app.controller.ts
import { Inject, Injectable } from '@nestjs/common';
import { LoggingService } from '@tresdoce/nestjs-logger';
...
@Injectable()
export class AppService {
  constructor(
    @Inject(LoggingService) private logger: LoggingService,
  ) {}

  getHello(): string {
    this.logger.log('this is a log');
  }
}

🖥 Logs

Los diferentes formatos de logging según el metódo que estés invocando.

• Tipo log

this.logger.log('This is a log message');

[1641844177933] INFO (24552 on VDINAME): This is a log message

• Tipo info

this.logger.info('This is a info message', 'This is an info context');

[1641844177933] INFO (24552 on VDINAME):
    context: "This is an info context"
    msg: {
      "application_name": "nestjs-starter",
      "application_version": "0.0.1",
      "logger_name": "@tresdoce/nestjs-logger",
      "logger_version": "0.0.1",
      "@timestamp": 1646350040866,
      "log_level": "INFO",
      "log_type": "DEFAULT",
      "message": "This is a info message"
    }

• Tipo error

this.logger.error('This is a error message', 'This is an error context');

[1641844177936] ERROR (24552 on VDINAME):
    context: "This is an error context"
    msg: {
      "application_name": "nestjs-starter",
      "application_version": "0.0.1",
      "logger_name": "@tresdoce/nestjs-logger",
      "logger_version": "0.0.1",
      "@timestamp": 1646350040866,
      "log_level": "ERROR",
      "log_type": "DEFAULT",
      "message": "This is a error message"
      "stack_trace": "This is a error message"
    }

• Tipo warn

this.logger.warn('This is a warn message', 'This is an warn context');

[1641844177939] WARN (24552 on VDINAME):
    context: "This is an warn context"
    msg: {
      "application_name": "nestjs-starter",
      "application_version": "0.0.1",
      "logger_name": "@tresdoce/nestjs-logger",
      "logger_version": "0.0.1",
      "@timestamp": 1646350040866,
      "log_level": "WARN",
      "log_type": "DEFAULT",
      "message": "This is a warn message"
    }

• Tipo debug

this.logger.debug('This is a debug message', 'This is an debug context');

[1641844177943] DEBUG (24552 on VDINAME):
    context: "This is an debug context"
    msg: {
      "application_name": "nestjs-starter",
      "application_version": "0.0.1",
      "logger_name": "@tresdoce/nestjs-logger",
      "logger_version": "0.0.1",
      "@timestamp": 1646350040866,
      "log_level": "DEBUG",
      "log_type": "DEFAULT",
      "message": "This is a debug message"
    }

• Tipo verbose

this.logger.trace('This is a trace message', 'This is an trace context');

[1641844177946] TRACE (24552 on VDINAME):
    context: "This is an trace context"
    msg: {
      "application_name": "nestjs-starter",
      "application_version": "0.0.1",
      "logger_name": "@tresdoce/nestjs-logger",
      "logger_version": "0.0.1",
      "@timestamp": 1646350040866,
      "log_level": "TRACE",
      "log_type": "DEFAULT",
      "message": "This is a trace message"
    }

📤 Commits

Para los mensajes de commits se toma como referencia conventional commits.

<type>[optional scope]: <description>

[optional body]

[optional footer]

• type: chore, docs, feat, fix, refactor (más comunes)
• scope: indica la página, componente, funcionalidad
• description: comienza en minúsculas y no debe superar los 72 caracteres.

📄 Changelog

All notable changes to this package will be documented in Changelog file.

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