Function collectResponsesSources

ai/ai.ts:2018–2065

(
  item: any,
)

const collectResponsesSources = (
  item: any,
): Array<{ url: string; title?: string }> => {
  const sources: Array<{ url: string; title?: string }> = [];
  const seen = new Set<string>();

  const appendSource = (url?: string, title?: string) => {
    if (!url || seen.has(url)) return;
    seen.add(url);
    sources.push({ url, title });
  };

  const appendAnnotations = (annotations: any[] | undefined) => {
    if (!Array.isArray(annotations)) return;
    for (const entry of annotations) {
      if (entry?.type !== "url_citation") continue;
      appendSource(entry?.url, entry?.title);
    }
  };

  const appendActionSources = (action: any) => {
    const sourceList = Array.isArray(action?.sources)
      ? action.sources
      : Array.isArray(action)
        ? action
        : [];
    for (const entry of sourceList) {
      if (typeof entry?.url !== "string") continue;
      appendSource(entry.url, entry.title);
    }
  };

  if (item?.type === "message") {
    for (const part of item.content || []) {
      appendAnnotations(part?.annotations);
    }
  }

  if (item?.type === "web_search_call") {
    if (Array.isArray(item?.action)) {
      for (const action of item.action) appendActionSources(action);
    } else {
      appendActionSources(item?.action);
    }
  }

  return sources;
};

const parseResponsesOutputContent = (
  item: any,
): {