Append Query Parameters to URL

1appendQueryParams(url: string, queryParams: any) {
2  Object.keys(queryParams).forEach((queryParam: string, index: number) => {
3    const qpSymbol = (index === 0) ? '?' : '&';
4    url += `${qpSymbol}${queryParam}=${queryParams[queryParam]}`;
5  });
6  return url;
7}