React Router How To Pass Data Between Pages In React

React Router is a powerful tool that allows developers to create dynamic, single-page applications with ease. One common task when building web applications is passing data between different pages or components. In this how-to guide, we will explore various methods to efficiently pass data between pages in React using React Router.

Through URL Parameters:

One straightforward way to pass data between pages using React Router is through URL parameters. You can easily access these parameters in your components and use them to render dynamic content. To pass data through the URL, you can define route paths with placeholders for dynamic values, such as `/:id` or `/:username`. When navigating to these routes, you can extract the parameters from the URL and utilize them in your components.

In the `UserDetail` component, you can access the `id` parameter using the `match.params` object provided by React Router.

const UserDetail = ({ match }) => {
  const userId = match.params.id;

  // Use userId to fetch user data or perform other operations
}

Using React Context:

If you need to pass data to multiple nested components or across different parts of your application, using React Context can be a convenient solution. React Context provides a way to share values between components without explicit prop drilling.

// Create a context to store and provide data
const DataContext = React.createContext();

// Wrap your application with the DataProvider

In your components, you can consume the data from the context using the `useContext` hook.

const data = useContext(DataContext);

With State Management Libraries:

For larger applications with complex data sharing requirements, integrating state management libraries like Redux or MobX can streamline the process of passing data between pages. These libraries offer centralized stores to manage application state and provide mechanisms to update and access data across components.

By dispatching actions or updating the store state, you can ensure that data remains consistent and synchronised throughout your application, even when navigating between different pages.

Local Storage or Cookies:

Another approach to passing data between pages in React is by utilizing browser storage mechanisms like Local Storage or Cookies. You can save the data to be shared in the browser storage when navigating from one page and retrieve it on the subsequent page load.

// Save data to Local Storage
localStorage.setItem('key', 'value');

// Retrieve data from Local Storage
const data = localStorage.getItem('key');

In summary, passing data between pages in React using React Router involves leveraging URL parameters for simple scenarios, utilizing React Context for more complex data sharing needs, considering state management libraries for large-scale applications, and using browser storage for persisting data across page loads.Choose the method that best suits your application requirements and enjoy seamless data propagation between your React components!