express-restify-mt-mongoose/lib/middleware/onError.js

Easily create a flexible REST interface for mongoose models

'use strict';

var serializeError = require('serialize-error');

module.exports = function (isExpress) {
  return function (err, req, res, next) {
    var serializedErr = serializeError(err);

    delete serializedErr.stack;

    if (serializedErr.errors) {
      for (var key in serializedErr.errors) {
        delete serializedErr.errors[key].stack;
      }
    }

    res.setHeader('Content-Type', 'application/json');

    if (isExpress) {
      res.status(req.erm.statusCode).send(serializedErr);
    } else {
      res.send(req.erm.statusCode, serializedErr);
    }
  };
};
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