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path: root/packages/integrations/cloudflare/src/runtime.ts
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import type { Cache, CacheStorage, IncomingRequestCfProperties } from '@cloudflare/workers-types';

export type WorkerRuntime<T = unknown> = {
	name: 'cloudflare';
	env: T;
	waitUntil(promise: Promise<any>): void;
	passThroughOnException(): void;
	caches?: CacheStorage & { default: Cache };
	cf?: IncomingRequestCfProperties;
};

export type PagesRuntime<T = unknown, U = unknown> = {
	name: 'cloudflare';
	env: T;
	functionPath: string;
	params: Record<string, string>;
	data: U;
	waitUntil(promise: Promise<any>): void;
	next(request: Request): void;
	caches?: CacheStorage & { default: Cache };
	cf?: IncomingRequestCfProperties;
};

export function getRuntime<T = unknown, U = unknown>(
	request: Request
): WorkerRuntime<T> | PagesRuntime<T, U> {
	if (!!request) {
		return Reflect.get(request, Symbol.for('runtime'));
	} else {
		throw new Error(
			'To retrieve the current cloudflare runtime you need to pass in the Astro request object'
		);
	}
}