Function date

date(constraints?: StringValueConstraints): StringShape
Creates a shape for ISO 8601 calendar date values (YYYY-MM-DD).

Defaults the datatype to xsd:date.
Parameters
- constraints: StringValueConstraints = {}
  Optional validation constraints
Returns StringShape
An immutable shape for validating ISO 8601 date strings

Throws
If constraints contains contradictory values

See
XSD 1.0 Part 2: Datatypes § 3.2.9 date
- Defined in src/string.ts:672