getRequiredNamedArg<T> static method

T getRequiredNamedArg<T>(Map<String, Object?> named, String paramName, String methodName)

Get a required named argument with type checking.

Throws ArgumentD4rtException if the argument is missing. For nullable required parameters (e.g., required bool? value), null is a valid value — only absence is an error.

Implementation

static T getRequiredNamedArg<T>(
  Map<String, Object?> named,
  String paramName,
  String methodName,
) {
  if (!named.containsKey(paramName)) {
    throw ArgumentD4rtException(
      '$methodName: Missing required named argument "$paramName"',
    );
  }
  final value = named[paramName];
  if (value == null) return null as T;
  return extractBridgedArg<T>(value, paramName);
}