DocSpace-buildtools/common/ASC.Common/Web/VirtualPathUtility.cs

namespace ASC.Common.Web;

public class VirtualPathUtility
{
    public static string ToAbsolute(string virtualPath)
    {
        if (string.IsNullOrEmpty(virtualPath))
            return virtualPath;

        if (Uri.IsWellFormedUriString(virtualPath, UriKind.Absolute))
            return virtualPath;

        return "/" + virtualPath.TrimStart('~', '/');
    }
}