collect.js
Convenient and dependency free wrapper for working with arrays and objects.
stream-read-all
Returns a promise which fulfils with the supplied stream's content
collect-all
Returns a stream which becomes readable once all input is received
catchment
Collect Node.JS Stream Data Into Catchment: Stream With Promise Property Resolved On Finish.
collect-json
Returns a stream which becomes readable with a single value once all (valid) JSON is received.