export interface RelayResponse
{
  reqId: string;
  status: number;
  headers: Record<string, string>;
  body: string; // base64-encoded
}

const callbacks = new Map<string, ( r: RelayResponse ) => void>();

export function addPending( reqId: string, cb: ( r: RelayResponse ) => void ): void
{
  callbacks.set( reqId, cb );
}

export function resolvePending( resp: RelayResponse ): void
{
  const cb = callbacks.get( resp.reqId );
  if ( !cb ) return;
  callbacks.delete( resp.reqId );
  cb( resp );
}

export function removePending( reqId: string ): void
{
  callbacks.delete( reqId );
}