TwArcDiagramChart

@code {
    private readonly ChartGraphNode[] _topics = [new("a", "Layout"), new("b", "Color"), new("c", "Type"), new("d", "Motion")];
    
    private readonly ChartGraphLink[] _related = [new("a", "b", 2), new("a", "c", 1), new("b", "c", 3), new("a", "d", 1)];
}

@code {
    private readonly ChartGraphNode[] _engineers =
    [
        new("ana", "Ana"), new("bo", "Bo"), new("cy", "Cy"), new("di", "Di"),
        new("eli", "Eli"), new("fay", "Fay"), new("gus", "Gus"), new("hal", "Hal")
    ];
    
    private readonly ChartGraphLink[] _reviews =
    [
        new("ana", "bo", 14), new("bo", "cy", 9), new("cy", "di", 11), new("ana", "cy", 6), new("bo", "di", 4),
        new("eli", "fay", 12), new("fay", "gus", 8), new("gus", "hal", 10), new("eli", "gus", 5),
        new("di", "eli", 3), new("ana", "hal", 1)
    ];
}

@code {
    private readonly ChartGraphNode[] _chapters =
    [
        new("1", "Ch. 1"), new("2", "Ch. 2"), new("3", "Ch. 3"), new("4", "Ch. 4"), new("5", "Ch. 5"), new("6", "Ch. 6")
    ];
    
    private readonly ChartGraphLink[] _references = [new("1", "2"), new("2", "3"), new("1", "5"), new("3", "4"), new("4", "6"), new("2", "6")];
}