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logger-test-frexco

v1.2.5

Published

Test log library

Readme

Frexco Logger

Biblioteca de logs da Frexco

Índice


Instalando frexco-logger

Instalação com npm

$ npm i @frexco-digital/logger

Instalação com yarn

$ yarn add @frexco-digital/logger

Iniciando com logs


import { Logger } from '@frexco-digital/logger';

const logger = new Logger()

logger.error("Minha mensagem de erro", { statusCode: 401, data: { message: "invalid-token" } })

2022-08-29 22:48:47 | [ ERROR ] | Minha mensagem de erro | [STATUSCODE 401] | {"message": "invalid-token"}

Alerta com logs


Configurando o projeto

criar arquivo na raiz do projeto alertconfig.json

{
  "prd": "App Name"
}

No Projeto

adicionar alert: true, no error

import { Logger } from '@frexco-digital/logger';

const logger = new Logger()

logger.error("Minha mensagem de erro", { statusCode: 401, data: { message: "invalid-token" }, alert: true })

Tipos de logs


| Tipo | Descrição | | ---- | --------- | |info| Logs com informações de negócio e de fluxo interessantes ao monitoramento. | |error| Logs de erro do serviço. | |warn| Aqui você informa que ocorreram falhas, mas mesmo assim os processos e fluxos podem continuar. | |debug| São usados em situações que você quer informações muito detalhadas de um processo ou fluxo. | |http| Log genérico para ter informações da requisição. |

Parâmetros da função

  info: (message: string, options?: { data?: any; statusCode?: number }) => void;

Criando middleware de logs


Implementando middleware nas libs express e nestjs.


import { Request, Response, NextFunction } from 'express';
import { Logger } from '@frexco-digital/logger';

const logger = new Logger();

export default function loggerMiddleware(request: Request, response: Response, next:NextFunction) {
  const { method, url } = request;

  response.on('finish', () => {
    const ip = request.ip.split(':')[3];
    const { statusCode } = response;
    
    //Exemplo de log
    logger.http(`${ip} ${method} ${url}`, { statusCode });
  });

  next();
}
//main.ts

import { NestFactory } from '@nestjs/core';
import { AppModule } from './app.module';
import { loggerMiddleware } from './middleware';

async function bootstrap() {
  const app = await NestFactory.create(AppModule);
  app.setGlobalPrefix('api');
  app.enableCors({ origin: '*' });
  app.use(loggerMiddleware);
  await app.listen(process.env.PORT);
}

bootstrap();