toJsonLd method

Implementation

@override
Map<String, dynamic> toJsonLd() => removeEmpty({
      ...super.toJsonLd(),
      '@type': 'NewsArticle',
      'dateline': convertToJsonLd(dateline, [String]),
      'printColumn': convertToJsonLd(printColumn, [String]),
      'printEdition': convertToJsonLd(printEdition, [String]),
      'printPage': convertToJsonLd(printPage, [String]),
      'printSection': convertToJsonLd(printSection, [String]),
    });