toJsonLd method

Implementation

@override
Map<String, dynamic> toJsonLd() => removeEmpty({
      ...super.toJsonLd(),
      '@type': 'Audiobook',
      'readBy': convertToJsonLd(readBy, [SchemaPerson]),
      'abridged': convertToJsonLd(abridged, [bool]),
      'bookEdition': convertToJsonLd(bookEdition, [String]),
      'bookFormat': convertToJsonLd(bookFormat, [SchemaBookFormatType]),
      'illustrator': convertToJsonLd(illustrator, [SchemaPerson]),
      'isbn': convertToJsonLd(isbn, [String]),
      'numberOfPages': convertToJsonLd(numberOfPages, [int]),
    });