getAccessTokenFromURL function
Analyze a URL and try to extract an AccessToken from it. @param url The URL to look into.
Implementation
String? getAccessTokenFromURL(dynamic url) {
final uri = url is String ? Uri.parse(url) : url;
final query = Uri.tryParse(
uri.fragment.startsWith('/') ? uri.fragment.substring(1) : uri.fragment,
)?.queryParameters;
return query?['access_token'];
}