@tanstack/ai/dist/esm/utilities/tool-result.js

Type-safe TypeScript AI SDK for streaming chat, tool calling, agents, structured outputs, and multimodal generation.

const CONTENT_PART_TYPES = /* @__PURE__ */ new Set([
  "text",
  "image",
  "audio",
  "video",
  "document"
]);
function isContentPart(value) {
  if (typeof value !== "object" || value === null) return false;
  const part = value;
  if (typeof part.type !== "string" || !CONTENT_PART_TYPES.has(part.type)) {
    return false;
  }
  if (part.type === "text") {
    return typeof part.content === "string";
  }
  const source = part.source;
  if (typeof source !== "object" || source === null) return false;
  const src = source;
  if (typeof src.value !== "string") return false;
  if (src.type === "data") return typeof src.mimeType === "string";
  return src.type === "url";
}
function isContentPartArray(value) {
  return Array.isArray(value) && value.length > 0 && value.every(isContentPart);
}
function normalizeToolResult(result) {
  if (typeof result === "string") return result;
  if (isContentPartArray(result)) return result;
  return JSON.stringify(result);
}
export {
  isContentPart,
  isContentPartArray,
  normalizeToolResult
};
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