Function createAxisTicks

src/coord/axisTickLabelBuilder.ts:145–161

(
    axis: Axis,
    tickModel: Model<CategoryTickLabelSplitBuildingOption>,
    opt?: Pick<ScaleGetTicksOpt, 'breakTicks' | 'pruneByBreak'>
)

 * @param tickModel For example, can be axisTick, splitLine, splitArea.
 */
export function createAxisTicks(
    axis: Axis,
    tickModel: Model<CategoryTickLabelSplitBuildingOption>,
    opt?: Pick<ScaleGetTicksOpt, 'breakTicks' | 'pruneByBreak'>
): AxisTicksCreated {
    const scale = axis.scale;
    const custom = axis.getTickModel().get('customValues');
    if (custom) {
        return {
            ticks: parseTickLabelCustomValues(custom, scale)
        };
    }
    // Only ordinal scale support tick interval
    return axis.type === 'category'
        ? makeCategoryTicks(axis, tickModel)
        : {ticks: scale.getTicks(opt)};
}

function parseTickLabelCustomValues(
    customValues: AxisTickLabelCustomValuesOption,