Immutability Packages

Immutability helpers with fast reads and acceptable writes

mutate a copy of data without changing the original source

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

ESLint rules to promote functional programming in TypeScript.

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

Utilities for treating frozen JavaScript objects as persistent immutable collections.

TSLint rules to disable mutation in TypeScript.

ESLint plugin to disable all mutation in JavaScript.

React PureRenderMixin replacement for immutable-js library

Detects mutations

A CSS linter for immutable selectors.

Reselect and re-reselect alternative. Smaller, faster, greater flexibility, and better interface.

Creates a diff between 2 javascript objects / variables, in a format that is compatible with immutability-helper

JS object immutability helper

A immutability library which requires minimum overhead per call

ESLint plugin to guard against unexpected mutations of objects in javascript

Simplified state machines

Converts ES6 classes into classes with memoized getters

ESLint rules to disable mutation in TypeScript.

mutate a copy of data without changing the original source