From Kebab to Camel

Program.cs

using System.Diagnostics;
using System.Text;

namespace Kebab
{
    internal class Program
    {
        static void Main(string[] args)
        {
            var test1 = FromKebabToCamel("kebab-case-two");
            Debug.Assert(test1 == "kebabCaseTwo");
            var test2 = FromKebabToCamel("kebab-case");
            Debug.Assert(test2 == "kebabCase");
            var test3 = FromKebabToCamel("kebab");
            Debug.Assert(test3 == "kebab");
            var test4 = FromKebabToCamel("kebab-case-");
            Debug.Assert(test4 == "kebabCase");
            var test5 = FromKebabToCamel("kebab-case--");
            Debug.Assert(test5 == "kebabCase");
            var test6 = FromKebabToCamel("-extrange-kebab");
            Debug.Assert(test6 == "extrangeKebab");

            Console.WriteLine("All tests passed");
        }

        public static string FromKebabToCamel(string identifier)
        {
            identifier = identifier.Trim('-');
            var stringArray = identifier.Split('-');
            var output = new StringBuilder(stringArray[0]);
            for (var i = 1; i < stringArray.Length; i++)
            {
                var token = stringArray[i];
                if (token.Length > 0)
                {
                    output.Append(char.ToUpper(token[0]) +
                    token.Substring(1));
                }
            }
            return output.ToString();
        }
    }
}