Like underscore for Node streams. Functions for iterating over object mode streams: forEach, map, mapKey, reduce, filter, fromArray, toArray, fromAsync, devnull, pipe, head, tail, through, thru, writable, readable, duplex, pipeline.
A collection of streams that work well with promises (through, map, reduce)
😱 Isomorphic transformations. Map, transform, filter, and morph your objects
A functional query engine, that operates over streams of js objects, and can be optimized via database indexes.
Lambda functions over S3 objects with concurrency control (each, map, reduce, filter)
A selection of methods to transform an exisiting index using map, reduce or filter and push to a brand new index.
async map-reduce functions for nodejs
CouchDB views in DB-form; for chaining map-reduce operations.
Add functional methods like map, reduce, filter, etc. iterables (ES6 Iterators).