toPascalCase method
Mengonversi string ke PascalCase Contoh: "hello world" -> "HelloWorld"
Implementation
String toPascalCase() {
if (isEmpty) return '';
return split(RegExp(r'[-_\s]+'))
.where((word) => word.isNotEmpty)
.map((word) => word[0].toUpperCase() + word.substring(1).toLowerCase())
.join('');
}