useLoaders in react router Data API | React Routers Tutorials
Summary
This video tutorial demonstrates the use of `useLoaderData` in React Router v6's Data API to fetch data from an API before a component renders. It contrasts this approach with the legacy method of fetching data within a component's `useEffect` hook, highlighting the performance benefits of pre-fetching with loaders. The tutorial uses a practical example involving a product listing page and a product details page, showing how to fetch both a list of products and individual product details using loaders and how to pass parameters to fetch specific data. The video emphasises that loaders are best suited for data fetching between routes and are not recommended for every scenario.
Highlights
➡️ Fetching data before component mount: `useLoaderData` allows fetching data before a component renders, improving performance.
💻 Data API vs. Legacy approach: The tutorial compares fetching data with `useLoaderData` (Data API) and the traditional `useEffect` hook (Legacy approach).
🗂️ Passing parameters to loaders: Demonstrates how to pass parameters (e.g., product ID) to loaders to fetch specific data.
🔗 Dynamic routing with loaders: Shows how to use dynamic routes (`/:id`) to fetch data based on URL parameters.
💡 Use cases and limitations: Explains that loaders are best suited for pre-fetching data when navigating between routes, and not for all data fetching scenarios.
Github:
https://github.com/saikorthivada/reac...
React Routers Documentation
https://reactrouter.com/en/main
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