Function getValueLabel

src/component/axisPointer/viewHelper.ts:147–192

(
    value: ScaleDataValue,
    axis: Axis,
    ecModel: GlobalModel,
    seriesDataIndices: CommonAxisPointerOption['seriesDataIndices'],
    opt?: {
        precision?: number | 'auto'
        formatter?: CommonAxisPointerOption['label']['formatter']
    }
)

}

export function getValueLabel(
    value: ScaleDataValue,
    axis: Axis,
    ecModel: GlobalModel,
    seriesDataIndices: CommonAxisPointerOption['seriesDataIndices'],
    opt?: {
        precision?: number | 'auto'
        formatter?: CommonAxisPointerOption['label']['formatter']
    }
): string {
    value = axis.scale.parse(value);
    let text = (axis.scale as IntervalScale).getLabel(
        {
            value
        }, {
            // If `precision` is set, width can be fixed (like '12.00500'), which
            // helps to debounce when when moving label.
            precision: opt.precision
        }
    );
    const formatter = opt.formatter;

    if (formatter) {
        const params = {
            value: axisHelper.getAxisRawValue(axis, {value}),
            axisDimension: axis.dim,
            axisIndex: (axis as Axis2D).index,  // Only Carteian Axis has index
            seriesData: [] as CallbackDataParams[]
        };
        zrUtil.each(seriesDataIndices, function (idxItem) {
            const series = ecModel.getSeriesByIndex(idxItem.seriesIndex);
            const dataIndex = idxItem.dataIndexInside;
            const dataParams = series && series.getDataParams(dataIndex);
            dataParams && params.seriesData.push(dataParams);
        });

        if (zrUtil.isString(formatter)) {
            text = formatter.replace('{value}', text);
        }
        else if (zrUtil.isFunction(formatter)) {
            text = formatter(params);
        }
    }

    return text;
}

export function getTransformedPosition(
    axis: Axis,