snakeToCamel method
Converts this string from snake-case to camel-case.
void foo() {
  print('abc_def'.snakeToCamel()); // 'abcDef'
  print('ABC_DEF'.snakeToCamel()); // 'abcDef'
  print('ABC'.snakeToCamel());     // 'abc'
  print('abc'.snakeToCamel());     // 'abc'
}
Implementation
String snakeToCamel() => snakeToPascal().decapitalize();