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dougwilson avatar dougwilson commented on May 18, 2024

Hi @kimown, the reason this module does not call next() unless it's an error is because in Express and the middleware pattern, you only call next() if you either (a) encountered an error or (b) did not write out a response body.

Since this module writes out a response body, it does not call next(), as this module already handled the request by sending a response. All the other examples you gave (compression and cookie-session) are not sending a response back, thus they are calling next() in the non-error case.

from serve-static.

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