toCamelCase method
Convert string to camel case.
Implementation
String toCamelCase() {
if (this == null) {
throw ArgumentError('string: $this');
}
return this!.splitMapJoin(RegExp(r'[_\s]+'),
onMatch: (match) => match.group(0)!.toUpperCase(),
onNonMatch: (nonMatch) =>
nonMatch[0].toUpperCase() + nonMatch.substring(1));
}