Function isTupleDataPoint

src/renderers/createLineRenderer.ts:38–40

(
  point: ResolvedLineSeriesConfig['data'][number]
)

  parseCssColorToRgba01(color) ?? ([0, 0, 0, 1] as const);

const isTupleDataPoint = (
  point: ResolvedLineSeriesConfig['data'][number]
): point is DataPointTuple => Array.isArray(point);

const getPointXY = (point: ResolvedLineSeriesConfig['data'][number]): { readonly x: number; readonly y: number } => {
  if (isTupleDataPoint(point)) return { x: point[0], y: point[1] };