Method _isOrderChangedWithinSameData

src/chart/bar/BarView.ts:547–569

(
        data: SeriesData<BarSeriesModel, DefaultDataVisual>,
        orderMapping: OrderMapping,
        baseAxis: Axis2D
    )

    }

    private _isOrderChangedWithinSameData(
        data: SeriesData<BarSeriesModel, DefaultDataVisual>,
        orderMapping: OrderMapping,
        baseAxis: Axis2D
    ): boolean {
        const scale = baseAxis.scale as OrdinalScale;
        const ordinalDataDim = data.mapDimension(baseAxis.dim);

        let lastValue = Number.MAX_VALUE;
        for (let tickNum = 0, len = scale.getOrdinalMeta().categories.length; tickNum < len; ++tickNum) {
            const rawIdx = data.rawIndexOf(ordinalDataDim, scale.getRawOrdinalNumber(tickNum));
            const value = rawIdx < 0
                // If some tick have no bar, the tick will be treated as min.
                ? Number.MIN_VALUE
                // PENDING: if dataZoom on baseAxis exits, is it a performance issue?
                : orderMapping(data.indexOfRawIndex(rawIdx));
            if (value > lastValue) {
                return true;
            }
            lastValue = value;
        }
        return false;
    }

    /*
     * Consider the case when A and B changed order, whose representing