platform/angel_serialize/lib/angel_serialize.dart
2019-04-08 11:00:04 -04:00

145 lines
4 KiB
Dart

export 'dart:convert' show json, Codec, Converter;
export 'package:angel_model/angel_model.dart';
export 'package:collection/collection.dart';
export 'package:meta/meta.dart' show required, Required;
export 'package:quiver_hashcode/hashcode.dart' show hashObjects;
/// Excludes a field from being excluded.
class Exclude extends SerializableField {
const Exclude({bool canDeserialize: false, bool canSerialize: false})
: super(canDeserialize: canDeserialize, canSerialize: canSerialize);
}
/// No longer necessary, as this is the default.
@deprecated
const SerializableField nullable = const SerializableField(isNullable: true);
/// Marks a field as not accepting `null` values.
const SerializableField notNull = const SerializableField(isNullable: false);
const Exclude exclude = const Exclude();
/// Shorthand for [SerializableField].
class DefaultsTo extends SerializableField {
const DefaultsTo(value) : super(defaultValue: value);
}
/// Shorthand for [SerializableField].
class HasAlias extends SerializableField {
const HasAlias(String name) : super(alias: name);
}
/// Attaches options to a field.
class SerializableField {
/// An alternative name for this field.
final String alias;
/// A default for this field.
final defaultValue;
/// A custom serializer for this field.
final Symbol serializer;
/// A custom serializer for this field.
final Symbol deserializer;
/// An error message to be printed when the provided value is invalid.
final String errorMessage;
/// Whether this field can be set to `null`.
final bool isNullable;
/// Whether to exclude this field from serialization. Defaults to `false`.
final bool exclude;
/// Whether this field can be serialized, if [exclude] is `true`. Defaults to `false`.
final bool canDeserialize;
/// Whether this field can be serialized, if [exclude] is `true`. Defaults to `false`.
final bool canSerialize;
/// May be used with [serializer] and [deserializer].
///
/// Specifies the [Type] that this field serializes to.
///
/// Ex. If you have a field that serializes to a JSON string,
/// specify `serializesTo: String`.
final Type serializesTo;
const SerializableField(
{this.alias,
this.defaultValue,
this.serializer,
this.deserializer,
this.errorMessage,
this.isNullable: true,
this.exclude: false,
this.canDeserialize: false,
this.canSerialize: false,
this.serializesTo});
}
/// Marks a class as eligible for serialization.
class Serializable {
const Serializable(
{this.serializers: const [Serializers.map, Serializers.json],
this.autoSnakeCaseNames: true,
@deprecated this.autoIdAndDateFields: true,
this.includeAnnotations: const []});
/// A list of enabled serialization modes.
///
/// See [Serializers].
final List<int> serializers;
/// Overrides the setting in `SerializerGenerator`.
final bool autoSnakeCaseNames;
/// Overrides the setting in `JsonModelGenerator`.
@deprecated
final bool autoIdAndDateFields;
/// A list of constant members to affix to the generated class.
final List includeAnnotations;
}
const Serializable serializable = const Serializable();
/// Used by `package:angel_serialize_generator` to reliably identify generated models.
class GeneratedSerializable {
const GeneratedSerializable();
}
const GeneratedSerializable generatedSerializable =
const GeneratedSerializable();
/// The supported serialization types.
abstract class Serializers {
/// All supported serialization types.
static const List<int> all = const [map, json, typescript];
/// Enable `fromMap` and `toMap` methods on the model class.
static const int map = 0;
/// Enable a `toJson` method on the model class.
static const int json = 1;
/// Generate a TypeScript definition file (`.d.ts`) for use on the client-side.
static const int typescript = 2;
}
@deprecated
class DefaultValue {
final value;
const DefaultValue(this.value);
}
@deprecated
/// Prefer [SerializableField] instead.
class Alias {
final String name;
const Alias(this.name);
}