jsonKeyCount method
Counts the number of keys in this JSON object
recursive
Whether to count nested keys (defaults to true)
Returns the number of keys or null if JSON is invalid
Example:
final json = '{"name":"John","details":{"age":30,"city":"NYC"}}';
final count = json.jsonKeyCount(); // 4
Implementation
int? jsonKeyCount({bool recursive = true}) {
return QJSONUtils.countKeys(this, recursive: recursive);
}