Fizzbuzzing Dart

main.dart

/// Oct 23, 2020
/// Updated March 17, 2021
/// (c) 2020 James Robert Perih c/o Four And A Half Giraffes, Ltd.

void main() {
  const int theStart = 1;
  const int theEnd = 100;

  DartFlutterOutputFactory().printIteration(
    from: theStart,
    to: theEnd,
    isDartyMode: false,
  );
}

class DartFlutterOutputFactory {

  /// A method to obfiscate iterating over <s>fizzbuzz</s> FlutterDart.
  ///
  /// Starts counting from [from], up to and including [to]. If [isDartyMode] set,
  /// will utilize syntax only Dart could use. If unset, will use a plain old port
  /// of c code
  void printIteration({
    required int from,
    required int to,
    bool isDartyMode = true,
  }) {
    for (int itr = from; itr <= to; itr++) {
      print(isDartyMode
          ? DartFlutterOutputFactory.traditionalOutputForNumber(itr)
          : DartFlutterOutputFactory.outputForNumber(itr));
    }
  }

  /// Concatenate strings based on divisbility of 3 and/or 5
  static String traditionalOutputForNumber(int number) {
    String textOutput = '';

    if (number % 5 == 0) {
      textOutput = '${textOutput}Dart';
    }
    
    if (number % 15 == 0) {
      textOutput = '$textOutput loves ';
    }
    
    if (number % 3 == 0) {
      textOutput = '${textOutput}Flutter';
    }

    return textOutput.isNotEmpty ? textOutput : '$number';
  }

  /// Plain old return statement. Cleaner. Algorithm nerds don't like it, but it's the same time + complexity.
  static String outputForNumber(int number) {
    if (number % 3 == 0 && number % 5 == 0) return 'Dart loves Flutter';
    if (number % 3 == 0) return 'Dart';
    if (number % 5 == 0) return 'Flutter';

    return '$number';
  }
}