toJsonLd method

@override Map<String, dynamic> toJsonLd()

Serialize SchemaConstraintNode to JSON-LD

Implementation

@override
Map<String, dynamic> toJsonLd() => removeEmpty({
      ...super.toJsonLd(),
      '@type': 'ConstraintNode',
      'constraintProperty':
          convertToJsonLd(constraintProperty, [SchemaProperty, String]),
      'numConstraints': convertToJsonLd(numConstraints, [int]),
    });