server/utils/response.ts

import { APActivity, APObject } from "activitypub-types";
import { NodeObject } from "jsonld";

export const jsonResponse = (
	data: object,
	status = 200,
	headers: Record<string, string> = {}
) => {
	return new Response(JSON.stringify(data), {
		headers: {
			"Content-Type": "application/json",
			"X-Frame-Options": "DENY",
			"X-Permitted-Cross-Domain-Policies": "none",
			"Access-Control-Allow-Credentials": "true",
			"Access-Control-Allow-Headers":
				"Authorization,Content-Type,Idempotency-Key",
			"Access-Control-Allow-Methods": "POST,PUT,DELETE,GET,PATCH,OPTIONS",
			"Access-Control-Allow-Origin": "*",
			"Access-Control-Expose-Headers":
				"Link,X-RateLimit-Reset,X-RateLimit-Limit,X-RateLimit-Remaining,X-Request-Id,Idempotency-Key",
			...headers,
		},
		status,
	});
};

export const xmlResponse = (data: string, status = 200) => {
	return new Response(data, {
		headers: {
			"Content-Type": "application/xml",
		},
		status,
	});
};

export const jsonLdResponse = (
	data: NodeObject | APActivity | APObject,
	status = 200
) => {
	return new Response(JSON.stringify(data), {
		headers: {
			"Content-Type": "application/activity+json",
		},
		status,
	});
};

export const errorResponse = (error: string, status = 500) => {
	return jsonResponse(
		{
			error: error,
		},
		status
	);
};