How to use the @nivo/line.LineDefaultProps.enableCrosshair function in @nivo/line

key: 'sliceTooltip',
        flavors: ['svg', 'canvas'],
        group: 'Interactivity',
        help: `Custom slice tooltip`,
        type: 'Function',
        required: false,
    },
    {
        key: 'enableCrosshair',
        flavors: ['svg'],
        group: 'Interactivity',
        help: 'Enable/disable crosshair.',
        type: 'boolean',
        required: false,
        controlType: 'switch',
        defaultValue: defaults.enableCrosshair,
    },
    {
        key: 'crosshairType',
        flavors: ['svg'],
        group: 'Interactivity',
        required: false,
        defaultValue: defaults.crosshairType,
        help: `Crosshair type, forced to slices axis if enabled.`,
        type: 'string',
        controlType: 'choices',
        controlOptions: {
            disabled: true,
            choices: [
                'x',
                'y',
                'top-left',