@carlosbajo/roket-micro/lib/logger.js

framework para microservicios con google/pubsub

// const googleErrors = require('@google/cloud-errors');

const { name, version } = require(`${process.cwd()}/package.json`); // eslint-disable-line

// const errors = googleErrors.start({
//   ignoreEnvironmentCheck: true,
//   reportUncaughtExceptions: true,
//   serviceContext: { service: name, version }
// });

module.exports = {
  googleError: () => {
    // const middleware = errors.koa;
    const middleware = {};
    return middleware;
  },
  koaLogger: (winstonInstance) => {
    const middleware = async (ctx, next) => {
      const start = new Date();
      await next();
      const { status } = ctx.response;
      if (!ctx.state) ctx.state = { usuario: undefined };
      const ms = new Date() - start;
      if (status >= 500) {
        winstonInstance.error(`${ctx.request.method} ${ctx.request.originalUrl} ${status} waiting ${ms}ms info: ${JSON.stringify({ error: ctx.response.body, request: ctx.request.body })}${(ctx.state.usuario) ? ` By user ${ctx.state.usuario.id}` : ''}`);
      } else if (status >= 400) {
        winstonInstance.warn(`${ctx.request.method} ${ctx.request.originalUrl} ${status} waiting ${ms}ms info: ${JSON.stringify({ error: ctx.response.body, request: ctx.request.body })}${(ctx.state.usuario) ? ` By user ${ctx.state.usuario.id}` : ''}`);
      } else if (status >= 100) {
        if (ctx.request.originalUrl === '/_ah/health' || ctx.request.originalUrl === '/healthz') return;
        winstonInstance.info(`${ctx.request.method} ${ctx.request.originalUrl} ${status} waiting ${ms}ms${(ctx.state.usuario) ? ` By user ${ctx.state.usuario.id}` : ''}`);
      }
    };
    return middleware;
  },
};