message: Fixed production build
diff: @@ -23,7 +23,7 @@ function getOHLCBasedSeriesPlotRow(time: TimePoint, index: TimePointIndex, item:
  export type WhitespacePlotRow = Omit<PlotRow, 'value'>;
  export function isSeriesPlotRow(row: SeriesPlotRow | WhitespacePlotRow): row is SeriesPlotRow {
  - return 'value' in row;
  + return (row as Partial<SeriesPlotRow>).value !== undefined;
  }
  // we want to have compile-time checks that the type of the functions is correct
  