How to get the cookie in React
In this post we will give you information about How to get the cookie in React. Hear we will give you detail about How to get the cookie in ReactAnd how to use it also give you demo for it if it is necessary.
we are going to learn about how to get the cookie from a browser in React using the react-cookie package.
Installing the react-cookie package
The react-cookie package helps us to get and set the cookies from the browser.
Let’s install it, by running the following command.
npm install react-cookie
Getting the cookie with React hooks
First, import the CookiesProvider component from the react-cookie package and wrap your root app component with it.
import React from "react";import ReactDOM from "react-dom";import { CookiesProvider } from "react-cookie";import App from "./App";const rootElement = document.getElementById("root");ReactDOM.render( <CookiesProvider> <App /> </CookiesProvider>, rootElement);Now, inside your React component, you can access the cookie by using a useCookies() hook.
import React from "react";import { useCookies } from "react-cookie";export default function App() { const [cookies, setCookie] = useCookies(); return ( <div className="App"> <h1>React cookies</h1> {cookies.user && <p>{cookies.user}</p>} </div> );}The cookies object is holding the all cookies, you have created in your app.
In class-based components, you can get the cookie by using a withCookies() higher-order component.
import React, { Component } from "react";import { withCookies } from "react-cookie";class App extends Component { state = { // getting the cookie user: this.props.cookies.get("user") || "" }; render() { const { user } = this.state; return ( <div className="App"> {user && <p>{user}</p>} </div> ); }}export default withCookies(App);These are some cases you can’t get a cookie in React:
If you don’t set a cookie path as / then you can’t access a cookie from all pages.
If you set an httpOnly cookie to the response, then you can’t access it inside the react app, because the browser directly embeds the cookie to an HTTP header.
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