46 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import errorHanlder from 'errorhandler';
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import accepts from 'accepts';
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export default function prodErrorHandler() {
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  if (process.env.NODE_ENV === 'development') {
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    return errorHanlder({ log: true });
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  }
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  // error handling in production.
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  // disabling eslint due to express parity rules for error handlers
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  return function(err, req, res, next) { // eslint-disable-line
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    // respect err.status
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    if (err.status) {
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      res.statusCode = err.status;
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    }
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    // default status code to 500
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    if (res.statusCode < 400) {
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      res.statusCode = 500;
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    }
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    // parse res type
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    var accept = accepts(req);
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    var type = accept.type('html', 'json', 'text');
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    var message = 'Oops! Something went wrong. Please try again later';
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    if (type === 'html') {
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      if (typeof req.flash === 'function') {
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        req.flash(err.messageType || 'errors', {
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          msg: err.userMessage || message
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        });
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      }
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      return res.redirect(err.redirectTo || '/map');
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      // json
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    } else if (type === 'json') {
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      res.setHeader('Content-Type', 'application/json');
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      return res.send({
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        message: message
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      });
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      // plain text
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    } else {
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      res.setHeader('Content-Type', 'text/plain');
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      return res.send(message);
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    }
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  };
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}
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