Function scaleCalcNice2

src/coord/axisNiceTicks.ts:246–275

(
    scale: Scale,
    model: AxisBaseModel<NumericAxisBaseOptionCommon>,
    // Some call from external source, such as echarts-gl, may have no `axis` and `ecModel`,
    // but has `externalDataExtent`.
    axis: Axis | NullUndefined,
    ecModel: GlobalModel | NullUndefined,
    externalDataExtent: number[] | NullUndefined
)

 * @see SCALE_EXTENT_CONSTRUCTION for the full processing flow.
 */
export function scaleCalcNice2(
    scale: Scale,
    model: AxisBaseModel<NumericAxisBaseOptionCommon>,
    // Some call from external source, such as echarts-gl, may have no `axis` and `ecModel`,
    // but has `externalDataExtent`.
    axis: Axis | NullUndefined,
    ecModel: GlobalModel | NullUndefined,
    externalDataExtent: number[] | NullUndefined
): void {

    const rawExtentResult = adoptScaleRawExtentInfoAndPrepare(scale, model, ecModel, axis, externalDataExtent);

    const isIntervalOrTime = isIntervalScale(scale) || isTimeScale(scale);
    scaleCalcNiceDirectly(scale, {
        splitNumber: model.get('splitNumber'), // Backward compat - not get('xxx', true).
        fixMinMax: rawExtentResult.fixMM,
        userInterval: model.get('interval'), // Backward compat - not get('xxx', true).
        minInterval: isIntervalOrTime ? model.get('minInterval') : null,
        maxInterval: isIntervalOrTime ? model.get('maxInterval') : null,
        rawExtentResult
    });

    if (axis && ecModel) {
        adoptScaleExtentKindMapping(axis, scale, rawExtentResult, ecModel);
    }

    if (__DEV__) {
        scale.freeze();
    }
}

export function scaleCalcNiceDirectly(
    scale: Scale,