Integrating React Components into Server-rendered HTML with dangerouslySetInnerHTML скачать в хорошем качестве

Integrating React Components into Server-rendered HTML with dangerouslySetInnerHTML

Learn how to effectively add React components to legacy HTML structures retrieved from your server using `dangerouslySetInnerHTML`. --- This video is based on the question https://stackoverflow.com/q/62300569/ asked by the user 'MapMyMind' ( https://stackoverflow.com/u/6437589/ ) and on the answer https://stackoverflow.com/a/62300964/ provided by the user 'Józef Podlecki' ( https://stackoverflow.com/u/2304474/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Add React component in HTML set by dangerouslySetInnerHTML Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- Integrating React Components into Server-rendered HTML with dangerouslySetInnerHTML Transitioning from a legacy application to a modern React-based solution can often present challenges, especially when dealing with server-rendered HTML. One such challenge is injecting this HTML into your React components and enhancing it by integrating React components themselves. This guide will guide you through the steps needed to accomplish this, focusing on the use of dangerouslySetInnerHTML to insert the HTML into your React component. The Problem You've received HTML from a legacy server that needs to be rendered within a React component. Specifically, you want to load this HTML and then inject a React component, such as a button, into the DOM structure that has been rendered by the server. However, you might encounter an error like "Target container is not a DOM element," which indicates that React cannot find the designated location to render your component. Solution Overview To solve this problem, we will: Fetch the HTML data from your server. Use dangerouslySetInnerHTML to insert this HTML into the React component. Use a reference (via useRef) to target the specific part of the injected HTML where you want to add your React components. Step 1: Fetching the HTML Data You need to retrieve HTML content from your server using an API call. Here’s how we can set this up: [[See Video to Reveal this Text or Code Snippet]] Here, getData() simulates fetching HTML from the server. In a real application, this would be your actual API call. Step 2: Setting Up the Main App Component Below is an implementation of your React component, which includes fetching the HTML and rendering it: [[See Video to Reveal this Text or Code Snippet]] Breakdown of the Code: State Management: We use useState to manage our fetched HTML data. Effect Hooks: We have two useEffect hooks: the first one fetches data when the component mounts, and the second one ensures that our React component (LikeButton) is rendered after the HTML is inserted. DOM Targeting: After the HTML injection, we select the target element by its ID ("content") and render our React component within that element. Step 3: Rendering the App Component Finally, we render our App component into the main root DIV within our HTML page: [[See Video to Reveal this Text or Code Snippet]] Make sure to include React and ReactDOM scripts in your HTML file for everything to work smoothly. Conclusion By following these steps, you can effectively inject HTML from legacy systems into your React applications while also being able to integrate React components dynamically. This approach gives you the flexibility to gradually migrate and enhance existing applications without losing functionality. Remember to handle your effect cleanup properly to prevent memory leaks! happy coding!