openclaw/src/shared/human-list.ts

/** Formats a short human-readable disjunction such as "A, B, or C". */
export function formatHumanList(values: readonly string[]): string {
  if (values.length === 0) {
    return "";
  }
  if (values.length === 1) {
    return values[0];
  }
  if (values.length === 2) {
    return `${values[0]} or ${values[1]}`;
  }
  return `${values.slice(0, -1).join(", ")}, or ${values.at(-1)}`;
}