getMonth function Null safety

String getMonth(
  1. int month
)

Implementation

String getMonth(int month) {
  final Map<int, String> monthMap = {
    1: 'January',
    2: 'February',
    3: 'March',
    4: 'April',
    5: 'May',
    6: 'June',
    7: 'July',
    8: 'August',
    9: 'September',
    10: 'October',
    11: 'November',
    12: 'December'
  };
  return monthMap[month] ?? 'month';
}