requireConfigValue method
Validates that a required configuration value is present.
Parameters:
value: The value to checkfieldName: Name of the field for error reporting
Throws:
- ArgumentError: If the value is null or empty
Implementation
void requireConfigValue(String? value, String fieldName) {
if (value == null || value.isEmpty) {
throw ArgumentError('$fieldName is required but was null or empty');
}
}