Immutable

2KB immutable date time library alternative to Moment.js with the same modern API

Immutable Data Collections

Create your next immutable state by mutating the current one

Predictable state container for JavaScript apps

Immutable date wrapper

Find multiple RegExp matches in a string

The official, opinionated, batteries-included toolset for efficient Redux development

Time zone support for date-fns v2 with the Intl API

Immutability helpers with fast reads and acceptable writes

Type checking and DDD for JavaScript

mutate a copy of data without changing the original source

A completely customizable framework for building rich text editors.

Small, performant & immutable iteration utilities for Arrays and Objects

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

Check if a value is a `Blob`

Tools for building completely customizable richtext editors with React.

PropType validators that work with Immutable.js.

redux-immutable is used to create an equivalent function of Redux combineReducers that works with Immutable.js state.

ESLint rules to disable mutation and promote fp in TypeScript.

React PureComponent implementation embracing Immutable.js

unist utility to create a new tree with nodes that pass a filter

An immutable library to create, calculate and format monetary values.

ESLint rules for functional programming

Easily update nested frozen objects and arrays in a declarative and immutable manner.

Redux middleware that detects mutations between and outside redux dispatches. For development use only.

Immutable finite list objects with constant-time equality testing (===) and no memory leaks

Functional tree editing, manipulation & navigation

>**Note:** >This is a legacy React addon, and is no longer maintained. > >We don't encourage using it in new code, but it exists for backwards compatibility. >The recommended migration path is to use [`immutability-helper`](https://github.com/kolodny/im

Tools for building completely customizable richtext editors with React.

Memoized selectors for Redux and other immutable object derivation

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

Chai assertions for Facebook's Immutable library for JavaScript collections

Use to create an immutable, lazily initialized pipeline from a series of streams.

TypeScript definitions for redux-immutable

Common currency implementations for Dinero.js

Immutable version of dot-prop with some extensions

An immutable drop-in replacement for JavaScript's Date type

Hooks to build a notification inbox

Chrome Dev Tools formatter for the Immutable JS library

Utilities for treating frozen JavaScript objects as persistent immutable collections.

Redux-Immer v6 plugin for Rematch. Provides immutable ability for rematch.

Common code between Dinero.js packages

Number calculator implementation for Dinero.js

TypeScript definitions for Seamless-immutable

Helpers for using seamless-immutable with Redux

A lightweight `updateIn` for immutable objects.

A functional, immutable Finite State Machine library

Redux middleware that prevents state from being mutated anywhere in the app

Composite utilities (immutability, fp helpers)

library for immutable notebook operations