public static string? GetValueOrDefault()

in src/Authoring/Expressions/DictionaryExtensions.cs [10:36]

23 lines of code
8 McCabe index (conditional complexity)


    public static string? GetValueOrDefault(
        this IReadOnlyDictionary<string, string[]> dictionary,
        string headerName)
        => dictionary.TryGetValue(headerName, out var value) ? string.Join(',', value) : null;

    public static string GetValueOrDefault(
        this IReadOnlyDictionary<string, string[]> dictionary,
        string headerName,
        string defaultValue)
        => dictionary.TryGetValue(headerName, out var value) ? string.Join(',', value) : defaultValue;

    public static T? GetValueOrDefault<T>(
        this IReadOnlyDictionary<string, object> dictionary,
        string variableName)
        => dictionary.TryGetValue(variableName, out var value) && value is T casted ? casted : default;

    public static T GetValueOrDefault<T>(
        this IReadOnlyDictionary<string, object> dictionary,
        string variableName,
        T defaultValue)
        => dictionary.TryGetValue(variableName, out var value) && value is T casted ? casted : defaultValue;

    public static string? ToQueryString(this IDictionary<string, IList<string>>? dictionary)
    {
        var content = dictionary.ToFormUrlEncodedContent();
        return string.IsNullOrEmpty(content) ? null : $"?{content}";
    }