parseSingle function
Parses a single from result.
Implementation
JsonMap parseSingle(JsonMap result) {
final single = <String, dynamic>{
'title': nav(result, TITLE_TEXT),
'browseId': nav(result, [...TITLE, ...NAVIGATION_BROWSE_ID]),
'thumbnails': nav(result, THUMBNAIL_RENDERER),
};
return parseAlbumSingleSubtitle(result, single);
}