piwigodotnet/PiwigoDotnet/Piwigo.Client/DictionaryExtensions.cs

namespace Piwigo.Client;

internal static class DictionaryExtensions
{
    public static IDictionary<string, string> AddIfValueNotNull(this IDictionary<string, string> dictionary, string key, string? value)
    {
        if (dictionary == null)
        {
            throw new ArgumentNullException(nameof(dictionary));
        }

        if (string.IsNullOrWhiteSpace(key))
        {
            throw new ArgumentException("Value cannot be null or whitespace.", nameof(key));
        }

        if (value is not null)
        {
            dictionary.Add(key, value);
        }

        return dictionary;
    }
}