Map Reduce

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

Array methods for ES6 Iterators

Walk any kind of tree structure depth- or breadth-first. Supports promises and advanced map-reduce operations with a very small API.

Isomorphic map-reduce function to flatten an array into the supplied array

Small library to simplify working with Generators and Iterators in Javascript / Typescript

Make array iteration easy when using async/await and Promises

Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r

Convenient and dependency free wrapper for working with arrays and objects.

An inverted index that allows javascript objects to be easily serialised and retrieved using promises and map-reduce

A lean Promises and Async lib for ES6/ES7

➔ 𝐃eep standalone lib / 𝐋odash extension: ✓ eachDeep ✓ filterDeep ✓ mapDeep ✓ reduceDeep ✓ pickDeep ✓ omitDeep ✓ keysDeep ✓ index ✓ condenseDeep ⋮ Parents stack ⋮ Circular check ⋮ Leaves only mode ⋮ Children mode ⋮ cherry-pick ⋮ esm

ES6 Promise Shim

Component-wise operations on ndarrays

Require multiple modules using glob patterns. Supports exclusions.

Utilities for consuming, creating and manipulating node streams.

A library of async iterator extensions for JavaScript including ```map```, ```reduce```, ```filter```, ```flatMap```, ```pipe``` and [more](https://github.com/jamiemccrindle/axax/blob/master/docs/API.md#functions).

Map/Reduce promise like returned API -- Really not way to properly describe this module..

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Basic operations on iterables

Async enabled each(), map(), filter() functions that work just like their standard counterparts, but can be used with async/await and also provide concurrency limiting. Includes built-in typings and JSDoc comments for IntelliSense documentation.

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Like underscore for Node streams. Map, reduce, filter, fork, pipeline and other utility functions for iterating over object mode streams.

Persistent Data Structures for JavaScript

An array is a collection of values, stored contiguously.

filters/finds, maps, reduces, and sorts

Utilities for JavaScript Iterable and AsyncIterable

A simple and powerful async abstraction lib for easily writing Node.js code.

Functional operation helpers (underscore-like) for working with map, filter, reduce, etc

An iterable is a sequence of values.

A DOM-like interface for querying Javascript Objects

async/await-ready array methods for JavaScript and Node.js

map-filter-reduce queries for flumedb

Array.map but for objects with good TypeScript support. A small and simple integration.

A dependable promises and async utility belt

_declarative-js_ is modern JavaScript library, that helps to: - tackle array transformation with built in JavaScript array api (e.g. `array.filter(toBe.unique())`), - provide a type-level solution for representing optional values instead of null referen

Functionally - A utility belt for functional JavaScript

A pack of functions for working with Sets.

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

kafka-streams for Node.js

Provides LINQ-like fluent api operations for iterables and async iterables (ES2018+).

A scuttlebot plugin for querying data. With [map-filter-reduce](https://github.com/dominictarr/map-filter-reduce) you can write pretty flexible queries, similar to SQL, but more javascripty.

Reducers you can use for composing reducer hierarchy like with combineReducers from redux

A group of functions for working with Maps.

Allow perform every, filter, find, findIndex, forEach, map, reduce, reduceRight and some on array using Async callback

A collection of methods for working with Objects.

Query library for ECMAScript iterables.

A collection of functions for operating upon Entries.

A familiar set of functions that operate on JavaScript iterables (ES2015+) in a similar way to .NET's LINQ does with enumerables.

A collection of utility functions to be used with .map, .filter, .sort and .reduce