How to use the @nivo/calendar.CalendarDefaultProps.direction function in @nivo/calendar

required: true,
        controlType: 'range',
        group: 'Base',
        controlOptions: {
            unit: 'px',
            min: 100,
            max: 1000,
            step: 5,
        },
    },
    {
        key: 'direction',
        help: 'defines calendar layout direction.',
        type: 'string',
        required: false,
        defaultValue: defaults.direction,
        controlType: 'radio',
        group: 'Base',
        controlOptions: {
            choices: [
                { label: 'horizontal', value: 'horizontal' },
                { label: 'vertical', value: 'vertical' },
            ],
        },
    },
    {
        key: 'margin',
        help: 'Chart margin.',
        type: 'object',
        required: false,
        controlType: 'margin',
        group: 'Base',