Redux Toolkit builds in our suggested best practices, simplifies most Redux tasks, prevents common mistakes, and makes it easier to write Redux applications.īecause of this, Redux Toolkit is the standard way to write Redux application logic. Redux Toolkit contains packages and functions that we think are essential for building a Redux app. That's why the Redux team created Redux Toolkit: our official, opinionated, "batteries included" toolset for efficient Redux development. Finally, many times users aren't sure what "the right way" is to write Redux logic. In addition, the process for setting up a Redux store takes several steps, and we've had to come up with our own logic for things like dispatching "loading" actions in thunks or processing normalized data.
REDUXJS TOOLKIT TYPESCRIPT CODE
There's good reasons why these patterns exist, but writing that code "by hand" can be difficult. Normalized state makes it easier to look up items by IDsĪs you've seen, many aspects of Redux involve writing some code that can be verbose, such as immutable updates, action types and action creators, and normalizing state.Request status should be tracked with loading state enum values.Memoized selectors optimize calculating transformed data.Action creators encapsulate preparing action objects and thunks.
wraps your app and lets components access the store.useDispatch lets components dispatch actions.useSelector reads values from Redux state and subscribes to updates.React-Redux provides APIs to let React components talk to Redux stores.Redux is separate from any UI, but frequently used with React.The Redux DevTools extension lets you see how your state changes over time.Stores can be customized using "enhancers" and "middleware".The createStore API creates a Redux store with a root reducer function.Reducers must follow rules like "immutable updates" and "no side effects".Reducers take current state and an action, and calculate a new state.Actions are objects that describe "what happened" events in an app.How Redux uses a "one-way data flow" pattern.
what Redux is, when/why to use it, and the basic pieces of a Redux app.
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