![]() Accepts an object of reducer functions, a slice name, and an initial state value, and automatically generates a slice reducer with corresponding action creators and action types. createSlice(): combines createReducer() + createAction().The function itself has toString() defined, so that it can be used in place of the type constant. createAction(): generates an action creator function for the given action type string.In addition, it automatically uses the immer library to let you write simpler immutable updates with normal mutative code, like = true. createReducer(): lets you supply a lookup table of action types to case reducer functions, rather than writing switch statements.It can automatically combine your slice reducers, add whatever Redux middleware you supply, includes redux-thunk by default, and enables use of the Redux DevTools Extension. configureStore(): wraps createStore to provide simplified configuration options and good defaults.It's optional, but can eliminate the need to hand-write data fetching logic yourself. It's included in the package as a separate set of entry points. Redux Toolkit also includes a powerful data fetching and caching capability that we've dubbed "RTK Query". It does not address concepts like "reusable encapsulated Redux modules", folder or file structures, managing entity relationships in the store, and so on. We can't solve every use case, but in the spirit of create-react-app, we can try to provide some tools that abstract over the setup process and handle the most common use cases, as well as include some useful utilities that will let the user simplify their application code.īecause of that, this package is deliberately limited in scope. "Redux requires too much boilerplate code"."I have to add a lot of packages to get Redux to do anything useful"."Configuring a Redux store is too complicated".It was originally created to help address three common concerns about Redux: The Redux Toolkit package is intended to be the standard way to write Redux logic. The UMD package can be used as a tag directly. Redux Toolkit contains a library named immer.js which handles it for you internally.Yarn add is also available as a precompiled UMD package that defines a window.RTK global variable. Well, the answer is yes but you do not need to do that yourself. You might think that is it not the redux best practice to not mutate the state. One interesting thing to note is that we are directly updating the state. current can be used to log your state anywhere in case you want to debug and understand where things are going wrong.Īs it is visible we have the reducer, and actions all in one place.Do straight assignments and let the redux toolkit take care of mutability under the hoods. Mutability might be considered an advantage or disadvantage, but if you’re not too used to writing with spread operators, you might love this feature as well.No need to set up thunk manually as redux-toolkit comes with out of box createAsyncThunk which can perform async operations.A lot lesser boilerplate code is required compared to Redux.automatic support for Redux Dev-tools Extension.reselect : For selecting a slice out of global store.immer.js : a library/tool to handle immutability in stores.Redux Toolkit comes pre-bundled with below features: Each slice will provide an initial state and a reducer function for an object in the store RTK follows the ducks pattern and combines reducers, actions, and constants in one file called a slice. ![]() The Redux Toolkit package is intended to be the standard way to write Redux logic The package wraps around the core redux package, and it contains API methods and common dependencies that are essential for building a Redux app. Redux Toolkit (also known as “RTK” for short) is the recommended approach for writing the Redux logic.
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