errnotfound = (options) => {
  options = options || {};

  let view = options.view || '404',
    error = options.error || '';

  return (req, res, next) => {
    res.status(404);

    // respond with html page
    if (req.accepts('html')) {
      res.render(view, { url: req.url });
      return;
    }

    // respond with json
    if (req.accepts('json')) {
      res.send({ error: error });
      return;
    }

    // default to plain-text. send()
    res.type('txt').send(error);
  };
}
errnotfound:

Examples:

    app.use(middleware.errnotfound({ view: '404', error: 'Not found' }))

Options:

  - view     view
  - error    error message

@param {Object} options
@return {Function}
@api public