generateFile function 
 
    
    
    
  Implementation
  String generateFile(ModelDefinition model, String folderPath) {
  final buffer = StringBuffer();
  bool isEquatable = model.equatable;
  buffer.writeln('// ⚠️ This file is auto-generated. Do not edit.');
  buffer.writeln();
  if (isEquatable) {
    buffer.writeln("import 'package:equatable/equatable.dart';");
  }
  buffer.writeln();
  /// Import the necessary files (class,enums,...)
  importDependencies(buffer, model, folderPath);
  buffer.writeln();
  buffer.writeln('class ${model.className} ${isEquatable ? "extends Equatable {" : "{"}');
  /// Generate fields
  fieldsGenerator(buffer, model);
  /// generate constructor
  buffer.writeln(constructorGenerator(model));
  /// Generate toMap method
  toMapGenerator(buffer, model);
  /// Generate fromMap method
  fromMapGenerator(buffer, model);
  /// Generate props for Equatable
  equatablePropsGenerator(buffer, model);
  /// Generate copyWith method
  copyWithGenerator(buffer, model);
  buffer.writeln('}');
  return buffer.toString();
}