humanize method
Converts a string into a human-readable form.
Implementation
String humanize() {
if (this == null) {
throw ArgumentError('string: $this');
}
if (this!.isEmpty) {
return '';
}
return this!
.replaceAllMapped(RegExp(r'([A-Z])'), (match) => ' ${match[1]}')
.trim()
.toLowerCase();
}