Express and Typescript – Error.stack and Error.status properties do not exist

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Extend global Error

You can tell TypeScript that for your use case Error might have a status on it:

interface Error {
    status?: number;
}

So you get:

interface Error {
    status?: number;
}

var err = new Error('Not Found');
err.status = 404;

Alternative

Put the status on the res and send the err. For Example:

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    res.status(404); // using response here
    next(err);
});

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