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---
'astro': patch
---
Adds a new function `refreshContent` to the `astro:server:setup` hook that allows integrations to refresh the content layer. This can be used, for example, to register a webhook endpoint during dev, or to open a socket to a CMS to listen for changes.
By default, `refreshContent` will refresh all collections. You can optionally pass a `loaders` property, which is an array of loader names. If provided, only collections that use those loaders will be refreshed. For example, A CMS integration could use this property to only refresh its own collections.
You can also pass a `context` object to the loaders. This can be used to pass arbitrary data, such as the webhook body, or an event from the websocket.
```ts
{
name: 'my-integration',
hooks: {
'astro:server:setup': async ({ server, refreshContent }) => {
server.middlewares.use('/_refresh', async (req, res) => {
if(req.method !== 'POST') {
res.statusCode = 405
res.end('Method Not Allowed');
return
}
let body = '';
req.on('data', chunk => {
body += chunk.toString();
});
req.on('end', async () => {
try {
const webhookBody = JSON.parse(body);
await refreshContent({
context: { webhookBody },
loaders: ['my-loader']
});
res.writeHead(200, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ message: 'Content refreshed successfully' }));
} catch (error) {
res.writeHead(500, { 'Content-Type': 'application/json' });
res.end(JSON.stringify({ error: 'Failed to refresh content: ' + error.message }));
}
});
});
}
}
}
```
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