Immutability Packages

Inductive programming for JavaScript

Lightweight data framework implementing eventual immutability paradigm

Manage immutable state with these helpers for Objects and Arrays

class freezer

A simple, fast, and highly customizable way to recursively freeze objects, avoiding mutation.

A simple wrapper function that helps to prevent mutating the previous state in a reducer.

Work with Redux and Immer even more simple and convenient

Library for creating dynamic objects with convenient generic attributes and methods

Simple yet powerful json validator

A JavaScript library for efficient immutable updates

Package made to work with deep comparisons of complex data structures

Package made to work Monad Maybe

ESLint rules to disable mutation and promote fp in TypeScript.

A very fast and lightweight Typescript library to create immutable states with a mutable syntax

Powerful and versatile library for working with objects in TypeScript that provides a wide range of utility functions for deep cloning, property manipulation, filtering, mapping and more

A TypeScript decorator library for deep cloning method arguments to prevent side effects, enhancing immutability in class methods.

A hook to use Mutative as a React hook to efficient update react state immutable with mutable way

React PureRenderMixin replacement for immutable-js library

mutate a copy of data without changing the original source

Immutable data library