Function getScaleValuePositionKind

src/coord/axisHelper.ts:138–150

(
    scale: Scale, value: number, considerMappingExtent: boolean
)

 * Check if the axis cross a specific value.
 */
export function getScaleValuePositionKind(
    scale: Scale, value: number, considerMappingExtent: boolean
): ScaleValuePositionKind {
    const dataExtent = considerMappingExtent
        ? getScaleExtentForMappingUnsafe(scale, null)
        : scale.getExtentUnsafe(SCALE_EXTENT_KIND_EFFECTIVE, null);
    const min = dataExtent[0];
    const max = dataExtent[1];
    return !isValidBoundsForExtent(min, max) ? SCALE_VALUE_POSITION_KIND_OUTSIDE
        : (min === value || max === value) ? SCALE_VALUE_POSITION_KIND_EDGE
        : (min < value && max > value) ? SCALE_VALUE_POSITION_KIND_INSIDE
        : SCALE_VALUE_POSITION_KIND_OUTSIDE;
}
export type ScaleValuePositionKind =
    typeof SCALE_VALUE_POSITION_KIND_INSIDE
    | typeof SCALE_VALUE_POSITION_KIND_EDGE