dart_object_extension

Description:

dart object extension

dart_object_extension #

This plugin is a dart object extension plugin.
Features #

CopyWith (nullable available)

Setup #
Set the following in pubspec.yaml
dependencies:
...
dart_object_extension: latest

dev_dependencies:
...
build_runner: ^2.1.11
dart_object_extension_gen: latest
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Annotation Example #
CopyWith #
for example, create a stduent.dart file.
import 'package:dart_object_extension/dart_object_extension.dart';

part 'person.g.dart';

@CopyWith()
class Person {
final int id;
final String name;
final int? age;

const Person({
required this.id,
required this.name,
this.age,
});
}

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Run code generation
flutter pub run build_runner build
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copywith extension uses Functional parameters. A null check is also possible.

Basic Example

const person = Person(id: 0, name: 'Jin');
final personOther = person.copyWith(
name: () => 'Sugar',
age: () => 25,
);
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Compile Error Example (name is not nullable)

const person = Person(id: 0, name: 'Jin');
final personOther = person.copyWith(
name: () => null, // compile error
);
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Compile Pass Example (age is nullable)

const person = Person(id: 0, name: 'Jin');
final personOther = person.copyWith(
age: () => null, // compile pass
);
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