Function mockNetwork

tests/mocks/network.ts:23–33

({ onSend }: { onSend: (request: MockXhrRequest, ...args: any[]) => any })

// const realFetch = fetch;

export const mockNetwork = ({ onSend }: { onSend: (request: MockXhrRequest, ...args: any[]) => any }) => {
  const mockXhr = newMockXhr();
  const originalOnSend = onSend || mockXhr.onSend;
  mockXhr.onSend = function (request, ...args: any[]) {
    // @ts-ignore
    const ret = originalOnSend?.apply(this, [request, ...args]);
    setNetworkRequestCounter(request.url);
    return ret;
  };
  return { mockXhr };
};