Function chartCssColorValue

packages/react/src/components/chart.tsx:35–38

(color: string)

  cssIdentifierPattern.test(key) ? `--color-${key}` : null;

export const chartCssColorValue = (color: string): string | null => {
  const trimmed = color.trim();
  return cssColorPattern.test(trimmed) ? trimmed : null;
};

const ChartContext = React.createContext<ChartContextProps | null>(null);