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redux-immutable

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redux-immutable

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


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What is redux-immutable?

The redux-immutable package is designed to work with Redux and Immutable.js, providing a way to use an Immutable.js Map as the root of your Redux state. This allows you to leverage the benefits of Immutable.js, such as structural sharing and efficient updates, while still using Redux for state management.

What are redux-immutable's main functionalities?

combineReducers

The combineReducers function from redux-immutable allows you to combine multiple reducers into a single reducer function, with the root state being an Immutable.js Map. This is similar to Redux's combineReducers but works with Immutable.js.

const { combineReducers } = require('redux-immutable');
const { Map } = require('immutable');
const { createStore } = require('redux');

const fooReducer = (state = 'foo', action) => state;
const barReducer = (state = 'bar', action) => state;

const rootReducer = combineReducers({
  foo: fooReducer,
  bar: barReducer
});

const initialState = Map();
const store = createStore(rootReducer, initialState);

console.log(store.getState().toJS());

getIn

The getIn method allows you to access nested properties within the Immutable.js Map. This is useful for deeply nested state structures, providing a convenient way to retrieve values.

const { combineReducers } = require('redux-immutable');
const { Map } = require('immutable');
const { createStore } = require('redux');

const fooReducer = (state = Map({ value: 'foo' }), action) => state;
const barReducer = (state = Map({ value: 'bar' }), action) => state;

const rootReducer = combineReducers({
  foo: fooReducer,
  bar: barReducer
});

const initialState = Map();
const store = createStore(rootReducer, initialState);

console.log(store.getState().getIn(['foo', 'value']));

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Package last updated on 14 Mar 2017

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