19 lines
759 B
JavaScript
19 lines
759 B
JavaScript
module.exports = errorHandler;
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function errorHandler(err, req, res, next) {
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switch (true) {
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case typeof err === 'string':
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// custom application error
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const is404 = err.toLowerCase().endsWith('not found');
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const statusCode = is404 ? 404 : 400;
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return res.status(statusCode).json({ message: err });
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case err.name === 'ValidationError':
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// mongoose validation error
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return res.status(400).json({ message: err.message });
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case err.name === 'UnauthorizedError':
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// jwt authentication error
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return res.status(401).json({ message: 'Unauthorized' });
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default:
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return res.status(500).json({ message: err.message });
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}
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} |