Function allowEmptyString

Requires a string, which may be empty. If one or more values are specified, the string must either be empty or match ones of the specified values.

allowEmptyString<ValueT extends string>(
...allowedValues: ValueT[],
): AllowEmptyStringSchema<ValueT>
Type Parameters
- ValueT extends string
Parameters
- ...allowedValues: ValueT[]
Returns AllowEmptyStringSchema<ValueT>