![]() ![]() One of the most widely used Javascript libraries to date. Therefore, the new modifications will not make it to the store object.Ĭlick here □□ to view a sample application The React-Redux Integration Introduction to React So if a user mutates the current state inside a reducer function, the function will not detect the change. if they are equal (shallow means, only comparing the object reference), which means both the current and the new state object refer the same object, it does not return the new state object. Technically, the function does a shallow equality check on both the current state object and the new state object that is returned by the specific reducer. Redux is a management tool, It represents the current state and new state of the application by creating these immutable objects. ![]() So the usage of the virtual dom concept in React is not the reason why redux uses an immutable state, this is important to remember. So, when you need to modify the internal state of an immutable object, you need to obtain a copy of the immutable object to a new memory location, modify it, make it immutable, and then replace the old immutable object with the new object. Why is the Redux Store Immutable?įor Redux to work correctly, the state must be immutable which means it cannot be altered (at least theoretically). Now that you have a basic understanding of the pillars let’s dive into the store’s immutable state and why reducers had that wired syntax to return a simple store object. ![]()
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