import { defineMiddleware } from "astro/middleware";
import { isPocketbaseEntry, type PocketBaseEntry } from "./is-pocketbase-entry";
export const onRequest = defineMiddleware(async (context, next) => {
// Look for entities given as props to the page
const props = Object.values(context.props);
const entities = findEntitiesRecursive(props).map((entity) => entity.data);
const response = await next();
const contentType = response.headers.get("content-type");
if (!contentType?.includes("text/html")) {
// Pass through non-HTML responses unchanged
return response;
}
const body = await response.text();
// Append the entities to the
const entitiesJson = JSON.stringify(entities);
const newBody = body.replace(
"",
``
);
return new Response(newBody, response);
});
/**
* Find PocketBase entities in the given data.
*/
function findEntitiesRecursive(data: unknown): Array {
// Check if the data is an array and search for entities in each element
if (Array.isArray(data)) {
return data.flatMap(findEntitiesRecursive);
}
if (typeof data === "object" && data !== null) {
// Check if the data is an object and a PocketBase entry
if (isPocketbaseEntry(data)) {
return [data];
}
// Search for entities in all values
return findEntitiesRecursive(Object.values(data));
}
// No entities found
return [];
}