FormData.fromJson constructor
FormData.fromJson(
- dynamic json
Deserialize FormData from json.
Implementation
factory FormData.fromJson(dynamic json) {
if (json == null ||
!(json is Map) ||
json[_bodyTypeKey] != DataType.formData.value ||
json['entries'] == null ||
!(json['entries'] is Iterable)) {
throw ArgumentError.value(
json,
'json',
'Provided value is not a valid FormData json.',
);
}
final formData = FormData();
for (final entry in json['entries']) {
final key = entry[0];
final value = entry[1];
if (value is String) {
formData.append(key, value);
} else {
formData.append(key, FileField.fromJson(value));
}
}
return formData;
}