{"id":7516,"date":"2023-12-03T16:59:43","date_gmt":"2023-12-03T11:29:43","guid":{"rendered":"https:\/\/pheonixsolutions.com\/blog\/?p=7516"},"modified":"2023-12-03T17:08:03","modified_gmt":"2023-12-03T11:38:03","slug":"implementing-redux-in-react","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/implementing-redux-in-react\/","title":{"rendered":"Implementing Redux in React"},"content":{"rendered":"\n

Introduction:<\/strong><\/p>\n\n\n\n

Redux is a library for managing state in a Predictable way in JavaScript applications. Redux is not tied to React, It can be used with React, Angular, Vue, or even vanilla javascript. <\/p>\n\n\n\n

Uses of Redux: <\/strong> Redux is used in JavaScript applications to simplify and centralize the management of application state. It provides a predictable and structured way to handle data, making it easier to manage and debug, especially as the application grows in complexity.
In Redux, there are 3 main parts:<\/p>\n\n\n\n

Store:<\/strong> This holds the state of our application, It is used to store our state values.
Reducers:<\/strong> Reducer is part of the store, It is responsible for managing state changes based on dispatched actions. It takes two things: Previous state<\/strong> and an action<\/strong>.<\/p>\n\n\n\n

Actions:<\/strong> Actions are used to send data from the application to the redux store.

Install Redux Using the Below Command:<\/strong><\/p>\n\n\n\n

1. npm install redux react-redux<\/p>\n\n\n\n

2. npm install @reduxjs\/toolkit<\/p>\n\n\n\n

Note: <\/strong>To utilize Redux debugging, it’s necessary to install the Redux DevTools Extension <\/strong>on Chrome and Firefox.
<\/p>\n\n\n\n

Example of Store, Reducers, Actions for Book Management:<\/strong><\/p>\n\n\n\n

Store :<\/strong>
import {createStore} from ‘redux’;<\/p>\n\n\n\n

const intitalState ={<\/p>\n\n\n\n

books:[ ],<\/p>\n\n\n\n

};<\/p>\n\n\n\n

const bookReducer = (state = initiaState,action)={<\/p>\n\n\n\n

if(action.type === “ADD_BOOK”){<\/p>\n\n\n\n

return {…state, books: […state.books, action.payload] };<\/p>\n\n\n\n

} else if (action.type === “REMOVE_BOOK”){<\/p>\n\n\n\n

const updatedBooks = state.books.filter(book => book.id ! == action.payload);<\/p>\n\n\n\n

return {…state, books: updatedBooks};<\/p>\n\n\n\n

}<\/p>\n\n\n\n

return state;<\/p>\n\n\n\n

};
const store = createStore(bookReducer);<\/p>\n\n\n\n

export default store;

Reducers<\/strong>:<\/p>\n\n\n\n

const intitalState ={<\/p>\n\n\n\n

books:[ ],<\/p>\n\n\n\n

};
<\/p>\n\n\n\n

const bookReducer = (state = initiaState,action)={<\/p>\n\n\n\n

if(action.type === “ADD_BOOK”){<\/p>\n\n\n\n

return {…state, books: […state.books, action.payload] };<\/p>\n\n\n\n

} else if (action.type === “REMOVE_BOOK”){<\/p>\n\n\n\n

const updatedBooks = state.books.filter(book => book.id ! == action.payload);<\/p>\n\n\n\n

return {…state, books: updatedBooks};<\/p>\n\n\n\n

}<\/p>\n\n\n\n

return state;<\/p>\n\n\n\n

};<\/p>\n\n\n\n

export default bookReducer;<\/p>\n\n\n\n

Actions:<\/strong><\/p>\n\n\n\n

const addBook = (title,author)({
type: ‘ADD_BOOK’, payload: { id: Math.random().toString(36).substr(2, 9), title, author },<\/p>\n\n\n\n

});<\/p>\n\n\n\n

const removeBook = (bookid)({<\/p>\n\n\n\n

type: ‘REMOVE_BOOK’, <\/p>\n\n\n\n

payload: bookid, <\/p>\n\n\n\n

});<\/p>\n\n\n\n

Explanation:<\/strong>
1. store:<\/strong> It manages a collection of books within the application state using a reducer function. It handles adding and removing books from the list.<\/p>\n\n\n\n

2. Reducer:<\/strong> It contains a bookReducer<\/code> function that determines how the state changes based on dispatched actions (‘ADD_BOOK’ and ‘REMOVE_BOOK’).<\/p>\n\n\n\n

3. Action:<\/strong> It Provides action creators for adding a book and removing a book. This action contains a type and payload, allowing the reducer to update the store’s state accordingly.<\/p>\n\n\n\n




<\/p>\n\n\n\n



<\/p>\n\n\n\n




<\/p>\n\n\n\n

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