Node Cookbook - Third Edition

How it works...

The from2 module wraps the stream.Readable base constructor and creates the stream for us. It also adds some extra benefits, such as a destroy function to cleanly free up stream resources (across all Node versions) and the ability to perform asynchronous pushing (see the There's more... section for more).

Object modeLike through2, both the from2 and to2 modules have obj methods which allow for convenient creation of object streams. See the There's more... section of the Creating transform streams recipe for more.

The to2 module is actually an alias for the flush-write-stream module, which similarly supplies a destroy function (for all Node versions), and the ability to supply a function (the flush function), which supplies ...