INNER CODE UNIT · TypeScript

json

harvard-edge/cs249r_book · interviews/staffml-vault-worker/src/index.ts:143

function json(
  body: unknown,
  init: ResponseInit & {
    etag?: string;
    degradedReason?: string;
    releaseId?: string;
    cacheControl?: string;
  } = {},
): Response {
  const headers = new Headers({
    "Content-Type": "application/json; charset=utf-8",
    ...(init.headers as Record<string, string> | undefined),
  });
  if (init.etag) headers.set("ETag", init.etag);
  if (init.releaseId) headers.set("X-Vault-Release", init.releaseId);
  if (init.degradedReason) headers.set("X-Vault-Degraded", init.degradedReason);
  if (init.cacheControl) headers.set("Cache-Control", init.cacheControl);
  return new Response(JSON.stringify(body), { status: init.status ?? 200, headers });

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