toJsonLd method

Implementation

@override
Map<String, dynamic> toJsonLd() => removeEmpty({
      ...super.toJsonLd(),
      '@type': 'HowTo',
      'estimatedCost':
          convertToJsonLd(estimatedCost, [SchemaMonetaryAmount, String]),
      'performTime': convertToJsonLd(performTime, [SchemaDuration]),
      'prepTime': convertToJsonLd(prepTime, [SchemaDuration]),
      'step': convertToJsonLd(step,
          [SchemaCreativeWork, SchemaHowToSection, SchemaHowToStep, String]),
      'steps': convertToJsonLd(
          steps, [SchemaCreativeWork, SchemaItemList, String]),
      'supply': convertToJsonLd(supply, [SchemaHowToSupply, String]),
      'tool': convertToJsonLd(tool, [SchemaHowToTool, String]),
      'totalTime': convertToJsonLd(totalTime, [SchemaDuration]),
      'yield': convertToJsonLd(yield, [SchemaQuantitativeValue, String]),
    });