Here, we've used payload as a property name but you can name it whatever you want. Here, while dispatching an action to the store, we're passing a payload with some value which we're using inside the reducer to increment or decrement the store value. Kitchen Sink React Optimistic Updates In the example below youll notice a few things. Now, if you run the application by executing the npm start command from the terminal, you will see the following logs printed in the console: To create a store, we need to import the createStore function like this: import from 'redux' Ĭonsole.log('current state', store.getState()) In Redux, you use the store to manage and track the data that's changing in the application. Now open the terminal again and execute the following command from the redux-demo folder: npm install above command will install the Redux library with version 4.1.0 to use in your project (which is the latest version at the time of writing this article). Once you've created the project, delete all the files from the src folder and create a new file index.js inside the src folder. Npx in this case allows us to use the create-react-app npm package to create a new React project without installing it on our local machine. Let's create a new React project so we can learn Redux basics.Įxecute the following command in the terminal/command prompt to create a new React project using create-react-app: npx create-react-app redux-demo Redux provides a single store that you can use to manage a large amount of data. See the 'Learn Modern Redux' show notes page for a transcript and links to the example app source. It's a library that you can use in any other library or framework like Angular, Vue, and even vanilla JavaScript.īut developers mostly use Redux when working with React. The show includes a live-coded example app that shows how to use Redux Toolkit and React-Redux hooks with Typescript, as well as the new RTK Query data fetching APIs. The Redux library is not specific to React. ![]() Redux is a state management library that helps you better manage state in your applications. It's a great project you can add to your portfolio and resume. Here's a preview of the app which we'll be building in this article. So in this article, we'll explore the basics of Redux and how to use it. ![]() There are a lot of concepts you need to know to use it properly, like reducers, actions, store, pure functions, immutability, and much more.īut every React developer should know the basics of how to work with Redux, since industry projects often use Redux to manage larger projects. Redux can be confusing for beginner React developers to understand.
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