validateName()

const validateName: (value, fieldName) => string;

Validates a name field with standard requirements

Parameters

Parameter	Type	Description
value	string	The name to validate
fieldName	string	The name of the field for error messages

Returns

string

Empty string if valid, first error message encountered if invalid

Note

Checks: required, minimum 2 characters, alphabetic characters only

Example

validateName("", "First name") // Returns: "First name is required"
validateName("J", "First name") // Returns: "First name must be at least 2 characters"
validateName("John123", "First name") // Returns: "First name can only contain letters"