Function mockFetch

__tests__/telemetry.test.ts:18–24

(calls: FetchCall[], opts: { fail?: boolean } = {})

type FetchCall = { url: string; body: Record<string, unknown> };

function mockFetch(calls: FetchCall[], opts: { fail?: boolean } = {}) {
  return vi.fn(async (input: RequestInfo | URL, init?: RequestInit) => {
    if (opts.fail) throw new Error('network down');
    calls.push({ url: String(input), body: JSON.parse(String(init?.body)) as Record<string, unknown> });
    return new Response(null, { status: 204 });
  }) as unknown as typeof globalThis.fetch;
}

describe('Telemetry', () => {
  let dir: string;