toJson method
Serializes a Metadata to its RWPM JSON representation.
Implementation
@override
Map<String, dynamic> toJson() => Map.from(otherMetadata)
..putOpt("identifier", identifier)
..putOpt("@type", type)
..putJSONableIfNotEmpty("title", localizedTitle)
..putJSONableIfNotEmpty("subtitle", localizedSubtitle)
..putOpt("modified", modified?.toIso8601String())
..putOpt("published", published?.toIso8601String())
..putIterableIfNotEmpty("language", languages)
..putJSONableIfNotEmpty("sortAs", localizedSortAs)
..putIterableIfNotEmpty("subject", subjects)
..putIterableIfNotEmpty("author", authors)
..putIterableIfNotEmpty("translator", translators)
..putIterableIfNotEmpty("editor", editors)
..putIterableIfNotEmpty("artist", artists)
..putIterableIfNotEmpty("illustrator", illustrators)
..putIterableIfNotEmpty("letterer", letterers)
..putIterableIfNotEmpty("penciler", pencilers)
..putIterableIfNotEmpty("colorist", colorists)
..putIterableIfNotEmpty("inker", inkers)
..putIterableIfNotEmpty("narrator", narrators)
..putIterableIfNotEmpty("contributor", contributors)
..putIterableIfNotEmpty("publisher", publishers)
..putIterableIfNotEmpty("imprint", imprints)
..putOpt("readingProgression", readingProgression.value)
..putOpt("description", description)
..putOpt("duration", duration)
..putOpt("numberOfPages", numberOfPages)
..putMapIfNotEmpty("belongsTo", belongsTo);