📦 copyable_plus

A Dart annotation and code generator that creates copyWith, toJson, and fromJson methods for your immutable classes.

✨ Features

✅ Generates copyWith()
✅ Supports toJson() and fromJson()
✅ Works with nested models and lists
✅ Null-safe
✅ Lightweight and easy to use

🚀 Getting Started

1️⃣ Add Dependencies

dependencies:
  copyable_plus: ^0.1.0

dev_dependencies:
  build_runner: ^2.4.6
  source_gen: ^2.0.0

2️⃣ Annotate Your Class

import 'package:copyable_plus/copyable_plus.dart';

part 'person.copyable.dart';

@Copyable()
class Person {
  final String name;
  final int age;

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

3️⃣ Generate Code Run this in your terminal:

dart run build_runner build

This will generate a *.copyable.dart file with:

copyWith() method

toJson() method

fromJson() static constructor