Create your next immutable state by mutating the current one
npm install immer      
_Create the next immutable state tree by simply modifying the current tree_
Winner of the "Breakthrough of the year" React open source award and "Most impactful contribution" JavaScript open source award in 2019
You can use Gitpod (a free online VSCode like IDE) for contributing online. With a single click it will launch a workspace and automatically:
- clone the immer repo.
- install the dependencies.
- run yarn run start.
so that you can start coding straight away.

The documentation of this package is hosted at https://immerjs.github.io/immer/
Did Immer make a difference to your project? Join the open collective at https://opencollective.com/immer!
https://github.com/immerjs/immer/releases