validateJuzNumber static method

void validateJuzNumber(
  1. int juzNumber
)

Validate Juz number (1-30)

Implementation

static void validateJuzNumber(int juzNumber) {
  if (juzNumber < 1 || juzNumber > 30) {
    throw ArgumentError(
        'Juz number must be between 1 and 30, got: $juzNumber');
  }
}