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import type { Request as CFRequest, EventContext } from '@cloudflare/workers-types';
import type { SSRManifest } from 'astro';
import { App } from 'astro/app';
import { getProcessEnvProxy, isNode } from './util.js';
if (!isNode) {
process.env = getProcessEnvProxy();
}
export interface DirectoryRuntime<T extends object = object> {
runtime: {
waitUntil: (promise: Promise<any>) => void;
env: EventContext<unknown, string, unknown>['env'] & T;
cf: CFRequest['cf'];
caches: typeof caches;
};
}
export function createExports(manifest: SSRManifest) {
const app = new App(manifest);
const onRequest = async (context: EventContext<unknown, string, unknown>) => {
const request = context.request as CFRequest & Request;
const { env } = context;
// TODO: remove this any cast in the future
// REF: the type cast to any is needed because the Cloudflare Env Type is not assignable to type 'ProcessEnv'
process.env = env as any;
const { pathname } = new URL(request.url);
// static assets fallback, in case default _routes.json is not used
if (manifest.assets.has(pathname)) {
return env.ASSETS.fetch(request);
}
let routeData = app.match(request, { matchNotFound: true });
if (routeData) {
Reflect.set(
request,
Symbol.for('astro.clientAddress'),
request.headers.get('cf-connecting-ip')
);
const locals: DirectoryRuntime = {
runtime: {
waitUntil: (promise: Promise<any>) => {
context.waitUntil(promise);
},
env: context.env,
cf: request.cf,
caches: caches,
},
};
let response = await app.render(request, routeData, locals);
if (app.setCookieHeaders) {
for (const setCookieHeader of app.setCookieHeaders(response)) {
response.headers.append('Set-Cookie', setCookieHeader);
}
}
return response;
}
return new Response(null, {
status: 404,
statusText: 'Not found',
});
};
return { onRequest, manifest };
}
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