@contentacms/contentajs/lib/middlewares/errorHandler.js

A nodejs server that proxies to Contenta CMS and holds custom code.

"use strict";

const _ = require('lodash');

const config = require('config');

const logger = require('pino')();

module.exports = (err, req, res, next) => {
  const errors = Array.isArray(err) ? err : [err];
  res.set('Cache-Control', 'private, max-age=0, no-cache');
  res.status(errors[0].status || 500);

  const errorObjects = _.map(errors, error => {
    let eObject = {
      status: 500,
      code: 'InternalServerError',
      title: 'Internal server error.'
    };

    if (error.status) {
      if (req.timedout) {
        res.set('Retry-After', config.get('timeout.retryAfter'));
        error.message = `Response time exceeded ${error.timeout / 1000} second(s).`;
      }

      eObject = _.merge(eObject, _.pick(error, ['status', 'links', 'detail', 'source', 'meta']));
      eObject.code = error.name;
      eObject.title = error.message;
    } // These are unexpected, non HTTP errors.
    else {
        eObject.detail = `${error.name}: ${error.message}`;
      } // Log in detail.


    logger.error({
      request: {
        url: req.url,
        body: req.body
      },
      error: {
        code: err.status,
        stack: err.stack
      }
    });
    return eObject;
  });

  res.json({
    errors: errorObjects
  });
};