argument static method
Creates an ArgumentNode with automatic value conversion.
This helper simplifies argument creation by automatically converting Dart values to appropriate GraphQL ValueNode types.
Example:
argument('name', 'Charmander') // String argument
argument('limit', 10) // Int argument
argument('active', true) // Boolean argument
Implementation
static ArgumentNode argument(String name, dynamic value) {
return ArgumentNode(
name: nameNode(name),
value: _valueToNode(value),
);
}