index/functions/validateConstrainedEnumVariant.md

validateConstrainedEnumVariant<T>(value, allowedValues, fieldName): void

Validate that a value is included in an allowed set of enum values.

Type Parameters

Type Parameter	Default type
T extends Record<string, string>	Record<string, string>

Parameters

Parameter	Type	Description
value	string	The value to validate (string)
allowedValues	T[]	Array of allowed enum values
fieldName	string	The field name for error messages

Returns

void

Throws

ValidationError if value is not in allowedValues

Example

validateConstrainedEnumVariant(
  role,
  [MODERATOR_ROLE.MODERATOR, MODERATOR_ROLE.TECHNICAL_PRODUCER],
  'moderatorRole'
);