toJson method
Note as JSON.
Implementation
Map<String, Object?> toJson() => <String, Object?>{
"id": id,
"ms": position.inMilliseconds,
if (end != null) "endMs": end!.inMilliseconds,
"text": text,
"color": color.toARGB32(),
"created": createdAt.toIso8601String(),
"updated": updatedAt.toIso8601String(),
if (extra.isNotEmpty) "extra": extra,
};