10 Best JavaScript Immutable Libraries

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immer

Create the next immutable state by mutating the current one

9.4M
24.5K
Built-in
MIT
immutable

Immutable persistent data collections for Javascript which increase efficiency and simplicity.

12.9M
32.4K
Built-in
MIT
si

Immutable data structures for JavaScript which are backwards-compatible with normal JS Arrays and Objects.

484K
5.4K
DefinitelyTyped
BSD-3-Clause
immutable-ext

This repository is moving to: https://github.com/npm/cli

13.3K
17.4K
No support
ISC
opi

Modify deep object properties without modifying the original object (immutability). Works great with React and Redux.

44.1K
394
Built-in
MIT
id

Chrome Dev Tools custom formatter for Immutable-js values

29.3K
645
No support
BSD
pon

A timeseries library build on top of immutable.js

8.3K
Built-in
BSD-3-Clause-LBNL
dat

Immutable database and Datalog query engine for Clojure, ClojureScript and JS

243
5K
No support
bao

JavaScript & TypeScript persistent and optionally immutable data tree with cursors.

3.5K
3.1K
No support
MIT
typed-immutable

Immutable and structurally typed data

1.9K
265
No support
MIT
it

Functional tree traversal helpers for ImmutableJS data structures

277
71
No support
MIT
collectable

High-performance immutable data structures for modern JavaScript and TypeScript applications. Functional interfaces, deep/composite operations API, mixed mutability API, TypeScript definitions, ES2015 module exports.

33
254
Built-in
MIT
ao

Immutable data trees in JavaScript.

20
227
No support
MIT
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