CODEWITHSUNDEEP
node.jsnode.js-stream
Jan Van Ryswyck
Jan Van Ryswyck

Reputation: 117

Writable stream finished?

I'm trying to implement a writable stream in Node.js. I was reading through SubStack's excellent stream handbook. I was wondering whether there's a way to find out inside the writable stream when the read stream has stopped writing (when it calls push(null))? Is it OK for the implementation of a writable stream to subscribe to the finish event?

Upvotes: 1

Views: 1159

Answers (1)

Nitzan Shaked
Nitzan Shaked

Reputation: 13598

No reason why not subscribe to end event. It's in the contract, regardless of who consumes it.

Some of the streams referenced in the handbook you mention do that themselves. For example:

https://github.com/Raynos/duplexer/blob/master/index.js#L36

Upvotes: 1

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