getQuerySuggestions method
Returns the suggestions youtube provide while search on the page.
Implementation
Future<List<String>> getQuerySuggestions(String query) async {
final request = await _httpClient.get(Uri.parse(
'https://suggestqueries-clients6.youtube.com/complete/search?client=youtube&hl=en&gl=en&q=${Uri.encodeComponent(query)}&callback=func'));
final body = request.body;
final startIndex = body.indexOf('func(');
final jsonStr = body.substring(startIndex + 5, body.length - 1);
final data = json.decode(jsonStr) as List<dynamic>;
final suggestions = data[1] as List<dynamic>;
return suggestions.map((e) => e[0]).toList().cast<String>();
}