The problem I see is that you car calling next() before you finish reading
the file.
But, I dont understand why you want to let know to the next middleware that
this one has fail?
I havent seen that a lot.. For instance lot of authentication code do
something along these lines:
function addUserToRequest(req, res, next) {
getUser(req.session.userId, function foo(err, user) {
if(err) {
return res.send(401); ///respond with unauthorized and do not
call the next middleware.
}
req.user = user; //put the user in the request object so the next
middleware can use it
next(); //call the next middleware.
});
}
2012/9/17 Aga <[email protected]>
> exports.controller = function controller(req, res, next) {
> model.getFileData("/tmp/foo.txt", function foo(err, data) {
> if(err) {
> console.log("error while reading file");
> return(next(new Error()); *// exits foo() and NOT controller()*
> }
> console.log("success");
> // do something with data
> });
> return(next());
> }
>
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