FirstName.fromJson constructor
Returns a valid FirstName object.
If key
is null
FirstName.key is used to get it's corresponding value in map
.
Throws InvalidValueException if map
's value is not a valid first name.
Implementation
factory FirstName.fromJson(Map<String, dynamic> map, {String? key}) {
final flatMap = flattenMap(map);
final value = flatMap[key ?? EmailAddress.key].toString();
return FirstName(value);
}