CleanAuLait48 MVVM Framework for .NET Framework 4.8

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using System.IO;
using System.Linq;

namespace CleanAuLait48.Core.IO
{
    public static class PathHelper
    {
        public static readonly string RELATIVE_PATH_CURRENT = ".";
        public static readonly string RELATIVE_PATH_UPWARDS = "..";

        public static string CreateCanonicalPath(params string[] paths)
        {
            if (paths.Any(path => string.IsNullOrEmpty(path)))
            {
                return null;
            }

            return CreateCanonicalPath(Path.Combine(paths));
        }

        public static string CreateCanonicalPath(string path)
        {
            if (string.IsNullOrEmpty(path))
            {
                return null;
            }

            return Path.GetFullPath(path);
        }

        public static string EnsureLeadingDotPath(string relativePath)
        {
            return relativePath == RELATIVE_PATH_CURRENT
                    ? relativePath
                    : Path.Combine(RELATIVE_PATH_CURRENT, relativePath);
        }

        public static string EnsureEndingDirectorySeparator(string path)
        {
            if (!path.EndsWith(Path.DirectorySeparatorChar.ToString()))
            {
                return path + Path.DirectorySeparatorChar;
            }

            return path;
        }
    }
}