Function compactMetadataDescription

packages/web/src/render.tsx:572–589

(parts: Array<string | undefined>, maxLength: number)

}

function compactMetadataDescription(parts: Array<string | undefined>, maxLength: number) {
  const compacted = parts
    .map((part) => part?.trim())
    .filter((part): part is string => Boolean(part))
    .map(ensureSentence)
    .join(" ");

  if (compacted.length <= maxLength) return compacted;

  const shortened = compacted.slice(0, maxLength - 1);
  const lastBreak = Math.max(
    shortened.lastIndexOf("."),
    shortened.lastIndexOf(";"),
    shortened.lastIndexOf(","),
  );
  const trimmed = (lastBreak > maxLength * 0.6 ? shortened.slice(0, lastBreak) : shortened).trim();
  return `${trimmed.replace(/[.,;:]$/, "")}.`;
}

function ensureSentence(value: string) {
  return /[.!?]$/.test(value) ? value : `${value}.`;