Function isTuplePoint

src/core/createRenderCoordinator.ts:665–665

(p: DataPoint)

type ObjectPoint = Readonly<{ x: number; y: number; size?: number }>;

const isTuplePoint = (p: DataPoint): p is TuplePoint => Array.isArray(p);
const isTupleDataArray = (data: ReadonlyArray<DataPoint>): data is ReadonlyArray<TuplePoint> =>
  data.length > 0 && isTuplePoint(data[0]!);