toJsonLd method
Serialize SchemaEngineSpecification to JSON-LD
Implementation
@override
Map<String, dynamic> toJsonLd() => removeEmpty({
'@context': 'https://schema.org',
'@type': 'EngineSpecification',
'engineDisplacement':
convertToJsonLd(engineDisplacement, [SchemaQuantitativeValue]),
'enginePower': convertToJsonLd(enginePower, [SchemaQuantitativeValue]),
'engineType': convertToJsonLd(
engineType, [SchemaQualitativeValue, String, String]),
'fuelType':
convertToJsonLd(fuelType, [SchemaQualitativeValue, String, String]),
'torque': convertToJsonLd(torque, [SchemaQuantitativeValue]),
'additionalType': convertToJsonLd(additionalType, [String, String]),
'alternateName': convertToJsonLd(alternateName, [String]),
'description': convertToJsonLd(description, [String, SchemaTextObject]),
'disambiguatingDescription':
convertToJsonLd(disambiguatingDescription, [String]),
'identifier':
convertToJsonLd(identifier, [SchemaPropertyValue, String, String]),
'image': convertToJsonLd(image, [SchemaImageObject, String]),
'mainEntityOfPage':
convertToJsonLd(mainEntityOfPage, [SchemaCreativeWork, String]),
'name': convertToJsonLd(name, [String]),
'potentialAction': convertToJsonLd(potentialAction, [SchemaAction]),
'sameAs': convertToJsonLd(sameAs, [String]),
'subjectOf':
convertToJsonLd(subjectOf, [SchemaCreativeWork, SchemaEvent]),
'url': convertToJsonLd(url, [String]),
});