Check if res is sent / ended with Express

问题

Using Express, how can I determine the response has been sent / that the response has been completely written to?

app.use((req,res,next) => {

   if(res.ended){
     //
   }

   if(res.finished){
     //
   }

});

how can I tell if res.end() has been called? I am looking for a boolean I can read on res.

回答1:

response.end() will set response.finished if it's been called, as per the documentation.

回答2:

Use res.writableEnded (docs).

res.finished is deprecated (see).

来源：https://stackoverflow.com/questions/57618325/check-if-res-is-sent-ended-with-express