Function makeAxisPointerModel

src/component/axisPointer/modelHelper.ts:233–282

(
    axis: Axis,
    baseTooltipModel: Model<TooltipOption>,
    globalAxisPointerModel: AxisPointerModel,
    ecModel: GlobalModel,
    fromTooltip: boolean | 'cross',
    triggerTooltip: boolean
)

}

function makeAxisPointerModel(
    axis: Axis,
    baseTooltipModel: Model<TooltipOption>,
    globalAxisPointerModel: AxisPointerModel,
    ecModel: GlobalModel,
    fromTooltip: boolean | 'cross',
    triggerTooltip: boolean
) {
    const tooltipAxisPointerModel = baseTooltipModel.getModel('axisPointer');
    const fields = [
        'type', 'snap', 'lineStyle', 'shadowStyle', 'label',
        'animation', 'animationDurationUpdate', 'animationEasingUpdate', 'z'
    ] as const;
    const volatileOption = {} as Pick<AxisPointerOption, typeof fields[number]>;

    each(fields, function (field) {
        (volatileOption as any)[field] = clone(tooltipAxisPointerModel.get(field));
    });

    // category axis do not auto snap, otherwise some tick that do not
    // has value can not be hovered. value/time/log axis default snap if
    // triggered from tooltip and trigger tooltip.
    volatileOption.snap = axis.type !== 'category' && !!triggerTooltip;

    // Compatible with previous behavior, tooltip axis does not show label by default.
    // Only these properties can be overridden from tooltip to axisPointer.
    if (tooltipAxisPointerModel.get('type') === 'cross') {
        volatileOption.type = 'line';
    }
    const labelOption = volatileOption.label || (volatileOption.label = {});
    // Follow the convention, do not show label when triggered by tooltip by default.
    labelOption.show == null && (labelOption.show = false);

    if (fromTooltip === 'cross') {
        // When 'cross', both axes show labels.
        const tooltipAxisPointerLabelShow = tooltipAxisPointerModel.get(['label', 'show']);
        labelOption.show = tooltipAxisPointerLabelShow != null ? tooltipAxisPointerLabelShow : true;
        // If triggerTooltip, this is a base axis, which should better not use cross style
        // (cross style is dashed by default)
        if (!triggerTooltip) {
            const crossStyle = volatileOption.lineStyle = tooltipAxisPointerModel.get('crossStyle');
            crossStyle && defaults(labelOption, crossStyle.textStyle);
        }
    }

    return axis.model.getModel(
        'axisPointer',
        new Model(volatileOption, globalAxisPointerModel, ecModel)
    );
}

function collectSeriesInfo(result: CollectionResult, ecModel: GlobalModel) {
    // Prepare data for axis trigger