Function escapeHtml

src/components/formatTooltip.ts:5–14

(text: string)

const EM_DASH = '\u2014';

function escapeHtml(text: string): string {
  // Escapes text for safe insertion into HTML text/attribute contexts.
  // (We only use it for text nodes here, but keeping it generic is fine.)
  return text
    .replace(/&/g, '&')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, '&#39;');
}

function formatNumber(value: number): string {
  if (!Number.isFinite(value)) return EM_DASH;