koa.js

const process = require('process');

const Koa = require('koa');
const Router = require('koa-router');
const requestReceived = require('request-received');
const responseTime = require('koa-better-response-time');
const requestId = require('koa-better-request-id');
const { Signale } = require('signale');
const pino = require('pino')({
  customLevels: {
    log: 30
  },
  hooks: {
    // <https://github.com/pinojs/pino/blob/master/docs/api.md#logmethod>
    logMethod(inputArgs, method) {
      return method.call(this, {
        // <https://github.com/pinojs/pino/issues/854>
        // message: inputArgs[0],
        msg: inputArgs[0],
        meta: inputArgs[1]
      });
    }
  }
});
const Cabin = require('..');

const env = process.env.NODE_ENV || 'development';

const app = new Koa();
const router = new Router();
const cabin = new Cabin({
  // (optional: your free API key from https://cabinjs.com)
  // key: 'YOUR-CABIN-API-KEY',
  axe: {
    logger: env === 'production' ? pino : new Signale()
  }
});

// adds request received hrtime and date symbols to request object
// (which is used by Cabin internally to add `request.timestamp` to logs
app.use(requestReceived);

// adds `X-Response-Time` header to responses
app.use(responseTime());

// adds or re-uses `X-Request-Id` header
app.use(requestId());

// use the cabin middleware (adds request-based logging and helpers)
app.use(cabin.middleware);

// add your user/session management middleware here (e.g. passport)
// ...

// an example home page route
router.get('/', (ctx) => {
  ctx.logger.info('someone visited the home page');
  ctx.body = 'hello world';
});

// this assumes that you are using passport which
// exposes `ctx.logout` to log out the logged in user
router.get('/logout', (ctx) => {
  ctx.logger.warn('Logged out');
  ctx.logout();
  ctx.redirect('/');
});

app.use(router.routes());
app.use(router.allowedMethods());

app.listen(3000, () => {
  cabin.info('app started');
});