import 'package:flutter/cupertino.dart'; String? formatOutput(dynamic result) { if (result == null) return null; return result.toString(); // Try to parse as number to format with commas if (result is num) { var tooMuchPrecision = result.toStringAsPrecision(21); var parts = tooMuchPrecision.split("e"); var exponent = parts.length > 1 ? "e${parts[1]}" : ""; var endingWithZeroes = parts[0]; while (endingWithZeroes.endsWith('0') && endingWithZeroes.contains('.')) { endingWithZeroes = endingWithZeroes.substring(0, endingWithZeroes.length - 1); } if( endingWithZeroes.endsWith(".") ){ endingWithZeroes = endingWithZeroes.substring(0, endingWithZeroes.length -1 ); } return endingWithZeroes + exponent; } // Otherwise return raw string return result.toString(); }