src/components/graphHtml.ts

export function escapeHtml(value: string): string {
  return value.replace(
    /[&<>'"]/g,
    (character) =>
      ({
        "&": "&amp;",
        "<": "&lt;",
        ">": "&gt;",
        "'": "&#39;",
        '"': "&quot;",
      })[character] ?? character,
  );
}