Youtube in React: parse related videos response

videos.js

function reduceRelatedVideosRequest(responses) {
  const relatedVideosResponse = responses.find(r => r.result.kind === SEARCH_LIST_RESPONSE);
  const {pageInfo, items, nextPageToken} = relatedVideosResponse.result;
  const relatedVideoIds = items.map(video => video.id);

  return  {
    totalResults: pageInfo.totalResults,
    nextPageToken,
    items: relatedVideoIds
  };
}

youtube-api-response-types.js

export const SEARCH_LIST_RESPONSE = 'youtube#searchListResponse';