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#staticly render hydratable react component that uses use effect to fetch data
shadow lagoon
oblique forumBOT
Hi @shadow lagoon. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:
To statically render a hydratable React component that uses useEffect to fetch data in Astro, you would need to make some changes to your React component.
Firstly, you would need to remove the useEffect hook and replace it with a top-level fetch() call in the frontmatter of the Astro component. This is because Astro doesn't support React hooks like useEffect out of the box.
Here's an example of how you can do this:
---
// Import your dependencies
import React from 'react';
import Header from './Header';
import Footer from './Footer';
// Fetch your data
const res = await fetch('<https://api.github.com/repos/withastro/astro'>);
const json = await res.json();
const stars = json.stargazers_count || 0;
const message = json.message;
---
<Header />
<p style={{
backgroundColor: `#f4f4f4`,
padding: `1em 1.5em`,
textAlign: `center`,
marginBottom: `1em`
}}>
Astro has {stars} 🧑🚀
</p>
<Footer />
In this example, the data fetching is done at the top level of the Astro component, and the fetched data is used directly in the component's markup.
Remember to hydrate your component using one of Astro's client:* directives (https://docs.astro.build/en/reference/directives-reference/#client-directives). This will send the component's JavaScript to the browser and make it interactive.
For more information, you can refer to the Astro documentation on migrating from Create React App (https://docs.astro.build/en/guides/migrate-to-astro/from-create-react-app/#cra-data-fetching-to-astro) and Astro's guide on hydrating interactive components (https://docs.astro.build/en/guides/framework-components/#hydrating-interactive-components).
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:
shadow lagoon
@oblique forum My react component is a search list and the data is a list of searchable items
oblique forumBOT
Let me check the knowledge base for you. One moment! :books:
To use a React component that fetches a list of searchable items in Astro, you would need to fetch the data in the Astro component and pass it as a prop to your React component.
Here's an example of how you can do this:
---
// Import your dependencies
import React from 'react';
import SearchList from './SearchList';
// Fetch your data
const res = await fetch('<https://api.example.com/searchable-items'>);
const items = await res.json();
---
<SearchList items={items} client:load />
In this example, the SearchList component is a React component that takes a list of items as a prop and renders a searchable list. The data fetching is done at the top level of the Astro component, and the fetched data is passed to the SearchList component as a prop.
Remember to hydrate your component using one of Astro's client:* directives (https://docs.astro.build/en/reference/directives-reference/#client-directives). This will send the component's JavaScript to the browser and make it interactive.