Function resolveSeriesName

src/components/formatTooltip.ts:28–31

(params: TooltipParams)

}

function resolveSeriesName(params: TooltipParams): string {
  const trimmed = params.seriesName.trim();
  return trimmed.length > 0 ? trimmed : `Series ${params.seriesIndex + 1}`;
}

function sanitizeCssColor(value: string): string {
  // Tooltip content is assigned via innerHTML, so treat color as untrusted.