So I want to omit try...catch in my express handlers,

Question

So I want to omit try...catch in my express handlers,

and let express error handler handle the errors.

In my handler function I wanted to send different error messages based on the type of the error.

export const send: express.ErrorRequestHandler = (error, _req, res, _next) => {

// If it's axios error show a generic error
const message = error.response && error.response.status
? 'An error occurred.'
: error.message;

res.status(422).json({ error: message });
};

0

02.09.2018

3 ответов

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Ghazwan Aliesh

I'd create asyncMiddleware function that takes your handler function as a paramater and call the handler in try block and produce the error in the catch block.

0

02.09.2018

Thomas

You should just write a message mapper I think

0

02.09.2018

Thomas · Accepted Answer

Thomas

You should probably special case the expected errors, and just replace those

0

02.09.2018

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So I want to omit try...catch in my express handlers,

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