REDUX-JSON-MIDDLEWARE is a middle ware for processing json objects that can be used to process a json object before being passed to the reducer as you can access proccessed json object inside the reducer through the action data property .

To use it you should attach following properties with the action object passed to the dispatch :

This middleware has three formats which are cjs,umd and es .For more information read this article and also Please review examples to get how it is used