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10 Best JavaScript Map Reduce Libraries

List hand-picked by Openbase Experts
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pi

pipe-iterators

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.

1.8K
25
No support
BSD-3-Clause
ps

promise-streams

A collection of streams that work well with promises (through, map, reduce)

1.4K
Built-in
MIT
mor

morphmorph

😱 Isomorphic transformations. Map, transform, filter, and morph your objects

345
25
No support
MIT
mfr

map-filter-reduce

A functional query engine, that operates over streams of js objects, and can be optimized via database indexes.

209
56
No support
MIT
s3-lambda

s3-lambda

Lambda functions over S3 objects with concurrency control (each, map, reduce, filter)

184
1.1K
No support
MIT
ait

algolia-index-transform

A selection of methods to transform an exisiting index using map, reduce or filter and push to a brand new index.

35
No support
ISC
mr

map-reduce

async map-reduce functions for nodejs

26
124
No support
ci

couch-incarnate

CouchDB views in DB-form; for chaining map-reduce operations.

11
29
No support
AGPLv3
fun

functify

Add functional methods like map, reduce, filter, etc. iterables (ES6 Iterators).

7
No support
MIT
typed-morph

typed-morph

High order functions (map, reduce, filter) to work with Javascript typed arrays.

0
25
No support
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