JSPM

mutate a copy of data without changing the original source

Lightweight data framework implementing eventual immutability paradigm

Immutability helper

ESLint plugin for Angular Immutability

Non-mutating operations on data structures.

A JavaScript library for efficient immutable updates

Yet Another Lodash Mixins. Mixins i use in my pet-projects

Immutability helpers with fast reads and acceptable writes

A lightweight immutability library compatible with JS built-in collections.

A tiny collection of functions to be used in conjunction with normalizr and redux-undo to bridge the "delete" gap of normalizr.

Modify an object using query without mutating the original object.

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

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

State management with Immer and Computed Properties

Compile-time and runtime immutability for Angular signals

Natural and type-safe query to mutate a copy of data without changing the original source

This package is used to update objects that are immutable. Its main usage is in updating complex react states

Deep immutable, Lightweight Enumerable with superpowers

sanitizing reducer based on a schema definition

Store your items of data in a store powered by immutability

Utility module for managing state changes in js frameworks such as fluxible or redux

Very simple helper functions for working with immutable data structures.

Getter for non-mutating operations on data structures.

Package made to work Monad Maybe

change your objects innner state safely using immutable objects

Immutable data library

Immuton is a collection of utility functions for working with immutable values, improving the change detection and memory footprint in your app

mutate a copy of data without changing the original source

A collection of methods to mutate objects and arrays without modifying the source.

Refined State Management.

mutate a copy of data without changing the original source

Immutable Object Operators

ESLint plugin to disable all mutation in JavaScript.

A micro library helping to keep the context in nested promises and callbacks

Make setState easily and immutably

mutate a copy of data without changing the original source

Javascript immutability helper function

mutate a copy of data without changing the original source

ESLint plugin to disable all mutation in JavaScript.

Immerable Record is an immutable record data structure API, which uses pure, vanilla JavaScript objects for deep nesting