Flutter decimal text rendering for doubles

main.dart

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    final one = 1.0;
    final oneHalf = 1.5;
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        body: Center(
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              Text('$one'),
              Text('${one.toCleanedValue()}'),
              Text('${oneHalf}'),
              Text('${oneHalf.toCleanedValue()}'),
              Text('${2.0}'),
              Text('${2.0.toCleanedValue()}'),
            ],
          ),
        ),
      ),
    );
  }
}

extension IntegerConverterExtension on double {
  num toCleanedValue() {
    if (this == toInt()) {
      return toInt();
    }
    return this;
  }
}