"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name2 in all)
    __defProp(target, name2, { get: all[name2], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var index_exports = {};
__export(index_exports, {
  DEFAULT_MAX_DOWNLOAD_SIZE: () => DEFAULT_MAX_DOWNLOAD_SIZE,
  DelayedPromise: () => DelayedPromise,
  DownloadError: () => DownloadError,
  EventSourceParserStream: () => import_stream2.EventSourceParserStream,
  VERSION: () => VERSION,
  asSchema: () => asSchema,
  combineHeaders: () => combineHeaders,
  convertAsyncIteratorToReadableStream: () => convertAsyncIteratorToReadableStream,
  convertBase64ToUint8Array: () => convertBase64ToUint8Array,
  convertImageModelFileToDataUri: () => convertImageModelFileToDataUri,
  convertToBase64: () => convertToBase64,
  convertToFormData: () => convertToFormData,
  convertUint8ArrayToBase64: () => convertUint8ArrayToBase64,
  createBinaryResponseHandler: () => createBinaryResponseHandler,
  createEventSourceResponseHandler: () => createEventSourceResponseHandler,
  createIdGenerator: () => createIdGenerator,
  createJsonErrorResponseHandler: () => createJsonErrorResponseHandler,
  createJsonResponseHandler: () => createJsonResponseHandler,
  createProviderToolFactory: () => createProviderToolFactory,
  createProviderToolFactoryWithOutputSchema: () => createProviderToolFactoryWithOutputSchema,
  createStatusCodeErrorResponseHandler: () => createStatusCodeErrorResponseHandler,
  createToolNameMapping: () => createToolNameMapping,
  delay: () => delay,
  downloadBlob: () => downloadBlob,
  dynamicTool: () => dynamicTool,
  executeTool: () => executeTool,
  extractResponseHeaders: () => extractResponseHeaders,
  generateId: () => generateId,
  getErrorMessage: () => getErrorMessage,
  getFromApi: () => getFromApi,
  getRuntimeEnvironmentUserAgent: () => getRuntimeEnvironmentUserAgent,
  injectJsonInstructionIntoMessages: () => injectJsonInstructionIntoMessages,
  isAbortError: () => isAbortError,
  isNonNullable: () => isNonNullable,
  isParsableJson: () => isParsableJson,
  isUrlSupported: () => isUrlSupported,
  jsonSchema: () => jsonSchema,
  lazySchema: () => lazySchema,
  loadApiKey: () => loadApiKey,
  loadOptionalSetting: () => loadOptionalSetting,
  loadSetting: () => loadSetting,
  mediaTypeToExtension: () => mediaTypeToExtension,
  normalizeHeaders: () => normalizeHeaders,
  parseJSON: () => parseJSON,
  parseJsonEventStream: () => parseJsonEventStream,
  parseProviderOptions: () => parseProviderOptions,
  postFormDataToApi: () => postFormDataToApi,
  postJsonToApi: () => postJsonToApi,
  postToApi: () => postToApi,
  readResponseWithSizeLimit: () => readResponseWithSizeLimit,
  removeUndefinedEntries: () => removeUndefinedEntries,
  resolve: () => resolve,
  safeParseJSON: () => safeParseJSON,
  safeValidateTypes: () => safeValidateTypes,
  stripFileExtension: () => stripFileExtension,
  tool: () => tool,
  validateDownloadUrl: () => validateDownloadUrl,
  validateTypes: () => validateTypes,
  withUserAgentSuffix: () => withUserAgentSuffix,
  withoutTrailingSlash: () => withoutTrailingSlash,
  zodSchema: () => zodSchema
});
module.exports = __toCommonJS(index_exports);

// src/combine-headers.ts
function combineHeaders(...headers) {
  return headers.reduce(
    (combinedHeaders, currentHeaders) => ({
      ...combinedHeaders,
      ...currentHeaders != null ? currentHeaders : {}
    }),
    {}
  );
}

// src/convert-async-iterator-to-readable-stream.ts
function convertAsyncIteratorToReadableStream(iterator) {
  let cancelled = false;
  return new ReadableStream({
    /**
     * Called when the consumer wants to pull more data from the stream.
     *
     * @param {ReadableStreamDefaultController<T>} controller - The controller to enqueue data into the stream.
     * @returns {Promise<void>}
     */
    async pull(controller) {
      if (cancelled) return;
      try {
        const { value, done } = await iterator.next();
        if (done) {
          controller.close();
        } else {
          controller.enqueue(value);
        }
      } catch (error) {
        controller.error(error);
      }
    },
    /**
     * Called when the consumer cancels the stream.
     */
    async cancel(reason) {
      cancelled = true;
      if (iterator.return) {
        try {
          await iterator.return(reason);
        } catch (e) {
        }
      }
    }
  });
}

// src/create-tool-name-mapping.ts
function createToolNameMapping({
  tools = [],
  providerToolNames,
  resolveProviderToolName
}) {
  var _a2;
  const customToolNameToProviderToolName = {};
  const providerToolNameToCustomToolName = {};
  for (const tool2 of tools) {
    if (tool2.type === "provider") {
      const providerToolName = (_a2 = resolveProviderToolName == null ? void 0 : resolveProviderToolName(tool2)) != null ? _a2 : tool2.id in providerToolNames ? providerToolNames[tool2.id] : void 0;
      if (providerToolName == null) {
        continue;
      }
      customToolNameToProviderToolName[tool2.name] = providerToolName;
      providerToolNameToCustomToolName[providerToolName] = tool2.name;
    }
  }
  return {
    toProviderToolName: (customToolName) => {
      var _a3;
      return (_a3 = customToolNameToProviderToolName[customToolName]) != null ? _a3 : customToolName;
    },
    toCustomToolName: (providerToolName) => {
      var _a3;
      return (_a3 = providerToolNameToCustomToolName[providerToolName]) != null ? _a3 : providerToolName;
    }
  };
}

// src/delay.ts
async function delay(delayInMs, options) {
  if (delayInMs == null) {
    return Promise.resolve();
  }
  const signal = options == null ? void 0 : options.abortSignal;
  return new Promise((resolve2, reject) => {
    if (signal == null ? void 0 : signal.aborted) {
      reject(createAbortError());
      return;
    }
    const timeoutId = setTimeout(() => {
      cleanup();
      resolve2();
    }, delayInMs);
    const cleanup = () => {
      clearTimeout(timeoutId);
      signal == null ? void 0 : signal.removeEventListener("abort", onAbort);
    };
    const onAbort = () => {
      cleanup();
      reject(createAbortError());
    };
    signal == null ? void 0 : signal.addEventListener("abort", onAbort);
  });
}
function createAbortError() {
  return new DOMException("Delay was aborted", "AbortError");
}

// src/delayed-promise.ts
var DelayedPromise = class {
  constructor() {
    this.status = { type: "pending" };
    this._resolve = void 0;
    this._reject = void 0;
  }
  get promise() {
    if (this._promise) {
      return this._promise;
    }
    this._promise = new Promise((resolve2, reject) => {
      if (this.status.type === "resolved") {
        resolve2(this.status.value);
      } else if (this.status.type === "rejected") {
        reject(this.status.error);
      }
      this._resolve = resolve2;
      this._reject = reject;
    });
    return this._promise;
  }
  resolve(value) {
    var _a2;
    this.status = { type: "resolved", value };
    if (this._promise) {
      (_a2 = this._resolve) == null ? void 0 : _a2.call(this, value);
    }
  }
  reject(error) {
    var _a2;
    this.status = { type: "rejected", error };
    if (this._promise) {
      (_a2 = this._reject) == null ? void 0 : _a2.call(this, error);
    }
  }
  isResolved() {
    return this.status.type === "resolved";
  }
  isRejected() {
    return this.status.type === "rejected";
  }
  isPending() {
    return this.status.type === "pending";
  }
};

// src/extract-response-headers.ts
function extractResponseHeaders(response) {
  return Object.fromEntries([...response.headers]);
}

// src/uint8-utils.ts
var { btoa, atob } = globalThis;
function convertBase64ToUint8Array(base64String) {
  const base64Url = base64String.replace(/-/g, "+").replace(/_/g, "/");
  const latin1string = atob(base64Url);
  return Uint8Array.from(latin1string, (byte) => byte.codePointAt(0));
}
function convertUint8ArrayToBase64(array) {
  let latin1string = "";
  for (let i = 0; i < array.length; i++) {
    latin1string += String.fromCodePoint(array[i]);
  }
  return btoa(latin1string);
}
function convertToBase64(value) {
  return value instanceof Uint8Array ? convertUint8ArrayToBase64(value) : value;
}

// src/convert-image-model-file-to-data-uri.ts
function convertImageModelFileToDataUri(file) {
  if (file.type === "url") return file.url;
  return `data:${file.mediaType};base64,${typeof file.data === "string" ? file.data : convertUint8ArrayToBase64(file.data)}`;
}

// src/convert-to-form-data.ts
function convertToFormData(input, options = {}) {
  const { useArrayBrackets = true } = options;
  const formData = new FormData();
  for (const [key, value] of Object.entries(input)) {
    if (value == null) {
      continue;
    }
    if (Array.isArray(value)) {
      if (value.length === 1) {
        formData.append(key, value[0]);
        continue;
      }
      const arrayKey = useArrayBrackets ? `${key}[]` : key;
      for (const item of value) {
        formData.append(arrayKey, item);
      }
      continue;
    }
    formData.append(key, value);
  }
  return formData;
}

// src/download-error.ts
var import_provider = require("@ai-sdk/provider");
var name = "AI_DownloadError";
var marker = `vercel.ai.error.${name}`;
var symbol = Symbol.for(marker);
var _a, _b;
var DownloadError = class extends (_b = import_provider.AISDKError, _a = symbol, _b) {
  constructor({
    url,
    statusCode,
    statusText,
    cause,
    message = cause == null ? `Failed to download ${url}: ${statusCode} ${statusText}` : `Failed to download ${url}: ${cause}`
  }) {
    super({ name, message, cause });
    this[_a] = true;
    this.url = url;
    this.statusCode = statusCode;
    this.statusText = statusText;
  }
  static isInstance(error) {
    return import_provider.AISDKError.hasMarker(error, marker);
  }
};

// src/read-response-with-size-limit.ts
var DEFAULT_MAX_DOWNLOAD_SIZE = 2 * 1024 * 1024 * 1024;
async function readResponseWithSizeLimit({
  response,
  url,
  maxBytes = DEFAULT_MAX_DOWNLOAD_SIZE
}) {
  const contentLength = response.headers.get("content-length");
  if (contentLength != null) {
    const length = parseInt(contentLength, 10);
    if (!isNaN(length) && length > maxBytes) {
      throw new DownloadError({
        url,
        message: `Download of ${url} exceeded maximum size of ${maxBytes} bytes (Content-Length: ${length}).`
      });
    }
  }
  const body = response.body;
  if (body == null) {
    return new Uint8Array(0);
  }
  const reader = body.getReader();
  const chunks = [];
  let totalBytes = 0;
  try {
    while (true) {
      const { done, value } = await reader.read();
      if (done) {
        break;
      }
      totalBytes += value.length;
      if (totalBytes > maxBytes) {
        throw new DownloadError({
          url,
          message: `Download of ${url} exceeded maximum size of ${maxBytes} bytes.`
        });
      }
      chunks.push(value);
    }
  } finally {
    try {
      await reader.cancel();
    } finally {
      reader.releaseLock();
    }
  }
  const result = new Uint8Array(totalBytes);
  let offset = 0;
  for (const chunk of chunks) {
    result.set(chunk, offset);
    offset += chunk.length;
  }
  return result;
}

// src/validate-download-url.ts
function validateDownloadUrl(url) {
  let parsed;
  try {
    parsed = new URL(url);
  } catch (e) {
    throw new DownloadError({
      url,
      message: `Invalid URL: ${url}`
    });
  }
  if (parsed.protocol === "data:") {
    return;
  }
  if (parsed.protocol !== "http:" && parsed.protocol !== "https:") {
    throw new DownloadError({
      url,
      message: `URL scheme must be http, https, or data, got ${parsed.protocol}`
    });
  }
  const hostname = parsed.hostname;
  if (!hostname) {
    throw new DownloadError({
      url,
      message: `URL must have a hostname`
    });
  }
  if (hostname === "localhost" || hostname.endsWith(".local") || hostname.endsWith(".localhost")) {
    throw new DownloadError({
      url,
      message: `URL with hostname ${hostname} is not allowed`
    });
  }
  if (hostname.startsWith("[") && hostname.endsWith("]")) {
    const ipv6 = hostname.slice(1, -1);
    if (isPrivateIPv6(ipv6)) {
      throw new DownloadError({
        url,
        message: `URL with IPv6 address ${hostname} is not allowed`
      });
    }
    return;
  }
  if (isIPv4(hostname)) {
    if (isPrivateIPv4(hostname)) {
      throw new DownloadError({
        url,
        message: `URL with IP address ${hostname} is not allowed`
      });
    }
    return;
  }
}
function isIPv4(hostname) {
  const parts = hostname.split(".");
  if (parts.length !== 4) return false;
  return parts.every((part) => {
    const num = Number(part);
    return Number.isInteger(num) && num >= 0 && num <= 255 && String(num) === part;
  });
}
function isPrivateIPv4(ip) {
  const parts = ip.split(".").map(Number);
  const [a, b] = parts;
  if (a === 0) return true;
  if (a === 10) return true;
  if (a === 127) return true;
  if (a === 169 && b === 254) return true;
  if (a === 172 && b >= 16 && b <= 31) return true;
  if (a === 192 && b === 168) return true;
  return false;
}
function isPrivateIPv6(ip) {
  const normalized = ip.toLowerCase();
  if (normalized === "::1") return true;
  if (normalized === "::") return true;
  if (normalized.startsWith("::ffff:")) {
    const mappedPart = normalized.slice(7);
    if (isIPv4(mappedPart)) {
      return isPrivateIPv4(mappedPart);
    }
    const hexParts = mappedPart.split(":");
    if (hexParts.length === 2) {
      const high = parseInt(hexParts[0], 16);
      const low = parseInt(hexParts[1], 16);
      if (!isNaN(high) && !isNaN(low)) {
        const a = high >> 8 & 255;
        const b = high & 255;
        const c = low >> 8 & 255;
        const d = low & 255;
        return isPrivateIPv4(`${a}.${b}.${c}.${d}`);
      }
    }
  }
  if (normalized.startsWith("fc") || normalized.startsWith("fd")) return true;
  if (normalized.startsWith("fe80")) return true;
  return false;
}

// src/download-blob.ts
async function downloadBlob(url, options) {
  var _a2, _b2;
  validateDownloadUrl(url);
  try {
    const response = await fetch(url, {
      signal: options == null ? void 0 : options.abortSignal
    });
    if (response.redirected) {
      validateDownloadUrl(response.url);
    }
    if (!response.ok) {
      throw new DownloadError({
        url,
        statusCode: response.status,
        statusText: response.statusText
      });
    }
    const data = await readResponseWithSizeLimit({
      response,
      url,
      maxBytes: (_a2 = options == null ? void 0 : options.maxBytes) != null ? _a2 : DEFAULT_MAX_DOWNLOAD_SIZE
    });
    const contentType = (_b2 = response.headers.get("content-type")) != null ? _b2 : void 0;
    return new Blob([data], contentType ? { type: contentType } : void 0);
  } catch (error) {
    if (DownloadError.isInstance(error)) {
      throw error;
    }
    throw new DownloadError({ url, cause: error });
  }
}

// src/generate-id.ts
var import_provider2 = require("@ai-sdk/provider");
var createIdGenerator = ({
  prefix,
  size = 16,
  alphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
  separator = "-"
} = {}) => {
  const generator = () => {
    const alphabetLength = alphabet.length;
    const chars = new Array(size);
    for (let i = 0; i < size; i++) {
      chars[i] = alphabet[Math.random() * alphabetLength | 0];
    }
    return chars.join("");
  };
  if (prefix == null) {
    return generator;
  }
  if (alphabet.includes(separator)) {
    throw new import_provider2.InvalidArgumentError({
      argument: "separator",
      message: `The separator "${separator}" must not be part of the alphabet "${alphabet}".`
    });
  }
  return () => `${prefix}${separator}${generator()}`;
};
var generateId = createIdGenerator();

// src/get-error-message.ts
function getErrorMessage(error) {
  if (error == null) {
    return "unknown error";
  }
  if (typeof error === "string") {
    return error;
  }
  if (error instanceof Error) {
    return error.message;
  }
  return JSON.stringify(error);
}

// src/get-from-api.ts
var import_provider4 = require("@ai-sdk/provider");

// src/handle-fetch-error.ts
var import_provider3 = require("@ai-sdk/provider");

// src/is-abort-error.ts
function isAbortError(error) {
  return (error instanceof Error || error instanceof DOMException) && (error.name === "AbortError" || error.name === "ResponseAborted" || // Next.js
  error.name === "TimeoutError");
}

// src/handle-fetch-error.ts
var FETCH_FAILED_ERROR_MESSAGES = ["fetch failed", "failed to fetch"];
var BUN_ERROR_CODES = [
  "ConnectionRefused",
  "ConnectionClosed",
  "FailedToOpenSocket",
  "ECONNRESET",
  "ECONNREFUSED",
  "ETIMEDOUT",
  "EPIPE"
];
function isBunNetworkError(error) {
  if (!(error instanceof Error)) {
    return false;
  }
  const code = error.code;
  if (typeof code === "string" && BUN_ERROR_CODES.includes(code)) {
    return true;
  }
  return false;
}
function handleFetchError({
  error,
  url,
  requestBodyValues
}) {
  if (isAbortError(error)) {
    return error;
  }
  if (error instanceof TypeError && FETCH_FAILED_ERROR_MESSAGES.includes(error.message.toLowerCase())) {
    const cause = error.cause;
    if (cause != null) {
      return new import_provider3.APICallError({
        message: `Cannot connect to API: ${cause.message}`,
        cause,
        url,
        requestBodyValues,
        isRetryable: true
        // retry when network error
      });
    }
  }
  if (isBunNetworkError(error)) {
    return new import_provider3.APICallError({
      message: `Cannot connect to API: ${error.message}`,
      cause: error,
      url,
      requestBodyValues,
      isRetryable: true
    });
  }
  return error;
}

// src/get-runtime-environment-user-agent.ts
function getRuntimeEnvironmentUserAgent(globalThisAny = globalThis) {
  var _a2, _b2, _c;
  if (globalThisAny.window) {
    return `runtime/browser`;
  }
  if ((_a2 = globalThisAny.navigator) == null ? void 0 : _a2.userAgent) {
    return `runtime/${globalThisAny.navigator.userAgent.toLowerCase()}`;
  }
  if ((_c = (_b2 = globalThisAny.process) == null ? void 0 : _b2.versions) == null ? void 0 : _c.node) {
    return `runtime/node.js/${globalThisAny.process.version.substring(0)}`;
  }
  if (globalThisAny.EdgeRuntime) {
    return `runtime/vercel-edge`;
  }
  return "runtime/unknown";
}

// src/normalize-headers.ts
function normalizeHeaders(headers) {
  if (headers == null) {
    return {};
  }
  const normalized = {};
  if (headers instanceof Headers) {
    headers.forEach((value, key) => {
      normalized[key.toLowerCase()] = value;
    });
  } else {
    if (!Array.isArray(headers)) {
      headers = Object.entries(headers);
    }
    for (const [key, value] of headers) {
      if (value != null) {
        normalized[key.toLowerCase()] = value;
      }
    }
  }
  return normalized;
}

// src/with-user-agent-suffix.ts
function withUserAgentSuffix(headers, ...userAgentSuffixParts) {
  const normalizedHeaders = new Headers(normalizeHeaders(headers));
  const currentUserAgentHeader = normalizedHeaders.get("user-agent") || "";
  normalizedHeaders.set(
    "user-agent",
    [currentUserAgentHeader, ...userAgentSuffixParts].filter(Boolean).join(" ")
  );
  return Object.fromEntries(normalizedHeaders.entries());
}

// src/version.ts
var VERSION = true ? "4.0.23" : "0.0.0-test";

// src/get-from-api.ts
var getOriginalFetch = () => globalThis.fetch;
var getFromApi = async ({
  url,
  headers = {},
  successfulResponseHandler,
  failedResponseHandler,
  abortSignal,
  fetch: fetch2 = getOriginalFetch()
}) => {
  try {
    const response = await fetch2(url, {
      method: "GET",
      headers: withUserAgentSuffix(
        headers,
        `ai-sdk/provider-utils/${VERSION}`,
        getRuntimeEnvironmentUserAgent()
      ),
      signal: abortSignal
    });
    const responseHeaders = extractResponseHeaders(response);
    if (!response.ok) {
      let errorInformation;
      try {
        errorInformation = await failedResponseHandler({
          response,
          url,
          requestBodyValues: {}
        });
      } catch (error) {
        if (isAbortError(error) || import_provider4.APICallError.isInstance(error)) {
          throw error;
        }
        throw new import_provider4.APICallError({
          message: "Failed to process error response",
          cause: error,
          statusCode: response.status,
          url,
          responseHeaders,
          requestBodyValues: {}
        });
      }
      throw errorInformation.value;
    }
    try {
      return await successfulResponseHandler({
        response,
        url,
        requestBodyValues: {}
      });
    } catch (error) {
      if (error instanceof Error) {
        if (isAbortError(error) || import_provider4.APICallError.isInstance(error)) {
          throw error;
        }
      }
      throw new import_provider4.APICallError({
        message: "Failed to process successful response",
        cause: error,
        statusCode: response.status,
        url,
        responseHeaders,
        requestBodyValues: {}
      });
    }
  } catch (error) {
    throw handleFetchError({ error, url, requestBodyValues: {} });
  }
};

// src/inject-json-instruction.ts
var DEFAULT_SCHEMA_PREFIX = "JSON schema:";
var DEFAULT_SCHEMA_SUFFIX = "You MUST answer with a JSON object that matches the JSON schema above.";
var DEFAULT_GENERIC_SUFFIX = "You MUST answer with JSON.";
function injectJsonInstruction({
  prompt,
  schema,
  schemaPrefix = schema != null ? DEFAULT_SCHEMA_PREFIX : void 0,
  schemaSuffix = schema != null ? DEFAULT_SCHEMA_SUFFIX : DEFAULT_GENERIC_SUFFIX
}) {
  return [
    prompt != null && prompt.length > 0 ? prompt : void 0,
    prompt != null && prompt.length > 0 ? "" : void 0,
    // add a newline if prompt is not null
    schemaPrefix,
    schema != null ? JSON.stringify(schema) : void 0,
    schemaSuffix
  ].filter((line) => line != null).join("\n");
}
function injectJsonInstructionIntoMessages({
  messages,
  schema,
  schemaPrefix,
  schemaSuffix
}) {
  var _a2, _b2;
  const systemMessage = ((_a2 = messages[0]) == null ? void 0 : _a2.role) === "system" ? { ...messages[0] } : { role: "system", content: "" };
  systemMessage.content = injectJsonInstruction({
    prompt: systemMessage.content,
    schema,
    schemaPrefix,
    schemaSuffix
  });
  return [
    systemMessage,
    ...((_b2 = messages[0]) == null ? void 0 : _b2.role) === "system" ? messages.slice(1) : messages
  ];
}

// src/is-non-nullable.ts
function isNonNullable(value) {
  return value != null;
}

// src/is-url-supported.ts
function isUrlSupported({
  mediaType,
  url,
  supportedUrls
}) {
  url = url.toLowerCase();
  mediaType = mediaType.toLowerCase();
  return Object.entries(supportedUrls).map(([key, value]) => {
    const mediaType2 = key.toLowerCase();
    return mediaType2 === "*" || mediaType2 === "*/*" ? { mediaTypePrefix: "", regexes: value } : { mediaTypePrefix: mediaType2.replace(/\*/, ""), regexes: value };
  }).filter(({ mediaTypePrefix }) => mediaType.startsWith(mediaTypePrefix)).flatMap(({ regexes }) => regexes).some((pattern) => pattern.test(url));
}

// src/load-api-key.ts
var import_provider5 = require("@ai-sdk/provider");
function loadApiKey({
  apiKey,
  environmentVariableName,
  apiKeyParameterName = "apiKey",
  description
}) {
  if (typeof apiKey === "string") {
    return apiKey;
  }
  if (apiKey != null) {
    throw new import_provider5.LoadAPIKeyError({
      message: `${description} API key must be a string.`
    });
  }
  if (typeof process === "undefined") {
    throw new import_provider5.LoadAPIKeyError({
      message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter. Environment variables are not supported in this environment.`
    });
  }
  apiKey = process.env[environmentVariableName];
  if (apiKey == null) {
    throw new import_provider5.LoadAPIKeyError({
      message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter or the ${environmentVariableName} environment variable.`
    });
  }
  if (typeof apiKey !== "string") {
    throw new import_provider5.LoadAPIKeyError({
      message: `${description} API key must be a string. The value of the ${environmentVariableName} environment variable is not a string.`
    });
  }
  return apiKey;
}

// src/load-optional-setting.ts
function loadOptionalSetting({
  settingValue,
  environmentVariableName
}) {
  if (typeof settingValue === "string") {
    return settingValue;
  }
  if (settingValue != null || typeof process === "undefined") {
    return void 0;
  }
  settingValue = process.env[environmentVariableName];
  if (settingValue == null || typeof settingValue !== "string") {
    return void 0;
  }
  return settingValue;
}

// src/load-setting.ts
var import_provider6 = require("@ai-sdk/provider");
function loadSetting({
  settingValue,
  environmentVariableName,
  settingName,
  description
}) {
  if (typeof settingValue === "string") {
    return settingValue;
  }
  if (settingValue != null) {
    throw new import_provider6.LoadSettingError({
      message: `${description} setting must be a string.`
    });
  }
  if (typeof process === "undefined") {
    throw new import_provider6.LoadSettingError({
      message: `${description} setting is missing. Pass it using the '${settingName}' parameter. Environment variables are not supported in this environment.`
    });
  }
  settingValue = process.env[environmentVariableName];
  if (settingValue == null) {
    throw new import_provider6.LoadSettingError({
      message: `${description} setting is missing. Pass it using the '${settingName}' parameter or the ${environmentVariableName} environment variable.`
    });
  }
  if (typeof settingValue !== "string") {
    throw new import_provider6.LoadSettingError({
      message: `${description} setting must be a string. The value of the ${environmentVariableName} environment variable is not a string.`
    });
  }
  return settingValue;
}

// src/media-type-to-extension.ts
function mediaTypeToExtension(mediaType) {
  var _a2;
  const [_type, subtype = ""] = mediaType.toLowerCase().split("/");
  return (_a2 = {
    mpeg: "mp3",
    "x-wav": "wav",
    opus: "ogg",
    mp4: "m4a",
    "x-m4a": "m4a"
  }[subtype]) != null ? _a2 : subtype;
}

// src/parse-json.ts
var import_provider9 = require("@ai-sdk/provider");

// src/secure-json-parse.ts
var suspectProtoRx = /"(?:_|\\u005[Ff])(?:_|\\u005[Ff])(?:p|\\u0070)(?:r|\\u0072)(?:o|\\u006[Ff])(?:t|\\u0074)(?:o|\\u006[Ff])(?:_|\\u005[Ff])(?:_|\\u005[Ff])"\s*:/;
var suspectConstructorRx = /"(?:c|\\u0063)(?:o|\\u006[Ff])(?:n|\\u006[Ee])(?:s|\\u0073)(?:t|\\u0074)(?:r|\\u0072)(?:u|\\u0075)(?:c|\\u0063)(?:t|\\u0074)(?:o|\\u006[Ff])(?:r|\\u0072)"\s*:/;
function _parse(text) {
  const obj = JSON.parse(text);
  if (obj === null || typeof obj !== "object") {
    return obj;
  }
  if (suspectProtoRx.test(text) === false && suspectConstructorRx.test(text) === false) {
    return obj;
  }
  return filter(obj);
}
function filter(obj) {
  let next = [obj];
  while (next.length) {
    const nodes = next;
    next = [];
    for (const node of nodes) {
      if (Object.prototype.hasOwnProperty.call(node, "__proto__")) {
        throw new SyntaxError("Object contains forbidden prototype property");
      }
      if (Object.prototype.hasOwnProperty.call(node, "constructor") && node.constructor !== null && typeof node.constructor === "object" && Object.prototype.hasOwnProperty.call(node.constructor, "prototype")) {
        throw new SyntaxError("Object contains forbidden prototype property");
      }
      for (const key in node) {
        const value = node[key];
        if (value && typeof value === "object") {
          next.push(value);
        }
      }
    }
  }
  return obj;
}
function secureJsonParse(text) {
  const { stackTraceLimit } = Error;
  try {
    Error.stackTraceLimit = 0;
  } catch (e) {
    return _parse(text);
  }
  try {
    return _parse(text);
  } finally {
    Error.stackTraceLimit = stackTraceLimit;
  }
}

// src/validate-types.ts
var import_provider8 = require("@ai-sdk/provider");

// src/schema.ts
var import_provider7 = require("@ai-sdk/provider");
var z4 = __toESM(require("zod/v4"));

// src/add-additional-properties-to-json-schema.ts
function addAdditionalPropertiesToJsonSchema(jsonSchema2) {
  if (jsonSchema2.type === "object" || Array.isArray(jsonSchema2.type) && jsonSchema2.type.includes("object")) {
    jsonSchema2.additionalProperties = false;
    const { properties } = jsonSchema2;
    if (properties != null) {
      for (const key of Object.keys(properties)) {
        properties[key] = visit(properties[key]);
      }
    }
  }
  if (jsonSchema2.items != null) {
    jsonSchema2.items = Array.isArray(jsonSchema2.items) ? jsonSchema2.items.map(visit) : visit(jsonSchema2.items);
  }
  if (jsonSchema2.anyOf != null) {
    jsonSchema2.anyOf = jsonSchema2.anyOf.map(visit);
  }
  if (jsonSchema2.allOf != null) {
    jsonSchema2.allOf = jsonSchema2.allOf.map(visit);
  }
  if (jsonSchema2.oneOf != null) {
    jsonSchema2.oneOf = jsonSchema2.oneOf.map(visit);
  }
  const { definitions } = jsonSchema2;
  if (definitions != null) {
    for (const key of Object.keys(definitions)) {
      definitions[key] = visit(definitions[key]);
    }
  }
  return jsonSchema2;
}
function visit(def) {
  if (typeof def === "boolean") return def;
  return addAdditionalPropertiesToJsonSchema(def);
}

// src/to-json-schema/zod3-to-json-schema/options.ts
var ignoreOverride = /* @__PURE__ */ Symbol(
  "Let zodToJsonSchema decide on which parser to use"
);
var defaultOptions = {
  name: void 0,
  $refStrategy: "root",
  basePath: ["#"],
  effectStrategy: "input",
  pipeStrategy: "all",
  dateStrategy: "format:date-time",
  mapStrategy: "entries",
  removeAdditionalStrategy: "passthrough",
  allowedAdditionalProperties: true,
  rejectedAdditionalProperties: false,
  definitionPath: "definitions",
  strictUnions: false,
  definitions: {},
  errorMessages: false,
  patternStrategy: "escape",
  applyRegexFlags: false,
  emailStrategy: "format:email",
  base64Strategy: "contentEncoding:base64",
  nameStrategy: "ref"
};
var getDefaultOptions = (options) => typeof options === "string" ? {
  ...defaultOptions,
  name: options
} : {
  ...defaultOptions,
  ...options
};

// src/to-json-schema/zod3-to-json-schema/select-parser.ts
var import_v33 = require("zod/v3");

// src/to-json-schema/zod3-to-json-schema/parsers/any.ts
function parseAnyDef() {
  return {};
}

// src/to-json-schema/zod3-to-json-schema/parsers/array.ts
var import_v3 = require("zod/v3");
function parseArrayDef(def, refs) {
  var _a2, _b2, _c;
  const res = {
    type: "array"
  };
  if (((_a2 = def.type) == null ? void 0 : _a2._def) && ((_c = (_b2 = def.type) == null ? void 0 : _b2._def) == null ? void 0 : _c.typeName) !== import_v3.ZodFirstPartyTypeKind.ZodAny) {
    res.items = parseDef(def.type._def, {
      ...refs,
      currentPath: [...refs.currentPath, "items"]
    });
  }
  if (def.minLength) {
    res.minItems = def.minLength.value;
  }
  if (def.maxLength) {
    res.maxItems = def.maxLength.value;
  }
  if (def.exactLength) {
    res.minItems = def.exactLength.value;
    res.maxItems = def.exactLength.value;
  }
  return res;
}

// src/to-json-schema/zod3-to-json-schema/parsers/bigint.ts
function parseBigintDef(def) {
  const res = {
    type: "integer",
    format: "int64"
  };
  if (!def.checks) return res;
  for (const check of def.checks) {
    switch (check.kind) {
      case "min":
        if (check.inclusive) {
          res.minimum = check.value;
        } else {
          res.exclusiveMinimum = check.value;
        }
        break;
      case "max":
        if (check.inclusive) {
          res.maximum = check.value;
        } else {
          res.exclusiveMaximum = check.value;
        }
        break;
      case "multipleOf":
        res.multipleOf = check.value;
        break;
    }
  }
  return res;
}

// src/to-json-schema/zod3-to-json-schema/parsers/boolean.ts
function parseBooleanDef() {
  return { type: "boolean" };
}

// src/to-json-schema/zod3-to-json-schema/parsers/branded.ts
function parseBrandedDef(_def, refs) {
  return parseDef(_def.type._def, refs);
}

// src/to-json-schema/zod3-to-json-schema/parsers/catch.ts
var parseCatchDef = (def, refs) => {
  return parseDef(def.innerType._def, refs);
};

// src/to-json-schema/zod3-to-json-schema/parsers/date.ts
function parseDateDef(def, refs, overrideDateStrategy) {
  const strategy = overrideDateStrategy != null ? overrideDateStrategy : refs.dateStrategy;
  if (Array.isArray(strategy)) {
    return {
      anyOf: strategy.map((item, i) => parseDateDef(def, refs, item))
    };
  }
  switch (strategy) {
    case "string":
    case "format:date-time":
      return {
        type: "string",
        format: "date-time"
      };
    case "format:date":
      return {
        type: "string",
        format: "date"
      };
    case "integer":
      return integerDateParser(def);
  }
}
var integerDateParser = (def) => {
  const res = {
    type: "integer",
    format: "unix-time"
  };
  for (const check of def.checks) {
    switch (check.kind) {
      case "min":
        res.minimum = check.value;
        break;
      case "max":
        res.maximum = check.value;
        break;
    }
  }
  return res;
};

// src/to-json-schema/zod3-to-json-schema/parsers/default.ts
function parseDefaultDef(_def, refs) {
  return {
    ...parseDef(_def.innerType._def, refs),
    default: _def.defaultValue()
  };
}

// src/to-json-schema/zod3-to-json-schema/parsers/effects.ts
function parseEffectsDef(_def, refs) {
  return refs.effectStrategy === "input" ? parseDef(_def.schema._def, refs) : parseAnyDef();
}

// src/to-json-schema/zod3-to-json-schema/parsers/enum.ts
function parseEnumDef(def) {
  return {
    type: "string",
    enum: Array.from(def.values)
  };
}

// src/to-json-schema/zod3-to-json-schema/parsers/intersection.ts
var isJsonSchema7AllOfType = (type) => {
  if ("type" in type && type.type === "string") return false;
  return "allOf" in type;
};
function parseIntersectionDef(def, refs) {
  const allOf = [
    parseDef(def.left._def, {
      ...refs,
      currentPath: [...refs.currentPath, "allOf", "0"]
    }),
    parseDef(def.right._def, {
      ...refs,
      currentPath: [...refs.currentPath, "allOf", "1"]
    })
  ].filter((x) => !!x);
  const mergedAllOf = [];
  allOf.forEach((schema) => {
    if (isJsonSchema7AllOfType(schema)) {
      mergedAllOf.push(...schema.allOf);
    } else {
      let nestedSchema = schema;
      if ("additionalProperties" in schema && schema.additionalProperties === false) {
        const { additionalProperties, ...rest } = schema;
        nestedSchema = rest;
      }
      mergedAllOf.push(nestedSchema);
    }
  });
  return mergedAllOf.length ? { allOf: mergedAllOf } : void 0;
}

// src/to-json-schema/zod3-to-json-schema/parsers/literal.ts
function parseLiteralDef(def) {
  const parsedType = typeof def.value;
  if (parsedType !== "bigint" && parsedType !== "number" && parsedType !== "boolean" && parsedType !== "string") {
    return {
      type: Array.isArray(def.value) ? "array" : "object"
    };
  }
  return {
    type: parsedType === "bigint" ? "integer" : parsedType,
    const: def.value
  };
}

// src/to-json-schema/zod3-to-json-schema/parsers/record.ts
var import_v32 = require("zod/v3");

// src/to-json-schema/zod3-to-json-schema/parsers/string.ts
var emojiRegex = void 0;
var zodPatterns = {
  /**
   * `c` was changed to `[cC]` to replicate /i flag
   */
  cuid: /^[cC][^\s-]{8,}$/,
  cuid2: /^[0-9a-z]+$/,
  ulid: /^[0-9A-HJKMNP-TV-Z]{26}$/,
  /**
   * `a-z` was added to replicate /i flag
   */
  email: /^(?!\.)(?!.*\.\.)([a-zA-Z0-9_'+\-\.]*)[a-zA-Z0-9_+-]@([a-zA-Z0-9][a-zA-Z0-9\-]*\.)+[a-zA-Z]{2,}$/,
  /**
   * Constructed a valid Unicode RegExp
   *
   * Lazily instantiate since this type of regex isn't supported
   * in all envs (e.g. React Native).
   *
   * See:
   * https://github.com/colinhacks/zod/issues/2433
   * Fix in Zod:
   * https://github.com/colinhacks/zod/commit/9340fd51e48576a75adc919bff65dbc4a5d4c99b
   */
  emoji: () => {
    if (emojiRegex === void 0) {
      emojiRegex = RegExp(
        "^(\\p{Extended_Pictographic}|\\p{Emoji_Component})+$",
        "u"
      );
    }
    return emojiRegex;
  },
  /**
   * Unused
   */
  uuid: /^[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}$/,
  /**
   * Unused
   */
  ipv4: /^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$/,
  ipv4Cidr: /^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\/(3[0-2]|[12]?[0-9])$/,
  /**
   * Unused
   */
  ipv6: /^(([a-f0-9]{1,4}:){7}|::([a-f0-9]{1,4}:){0,6}|([a-f0-9]{1,4}:){1}:([a-f0-9]{1,4}:){0,5}|([a-f0-9]{1,4}:){2}:([a-f0-9]{1,4}:){0,4}|([a-f0-9]{1,4}:){3}:([a-f0-9]{1,4}:){0,3}|([a-f0-9]{1,4}:){4}:([a-f0-9]{1,4}:){0,2}|([a-f0-9]{1,4}:){5}:([a-f0-9]{1,4}:){0,1})([a-f0-9]{1,4}|(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2}))\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([0-9]{1,2})))$/,
  ipv6Cidr: /^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))\/(12[0-8]|1[01][0-9]|[1-9]?[0-9])$/,
  base64: /^([0-9a-zA-Z+/]{4})*(([0-9a-zA-Z+/]{2}==)|([0-9a-zA-Z+/]{3}=))?$/,
  base64url: /^([0-9a-zA-Z-_]{4})*(([0-9a-zA-Z-_]{2}(==)?)|([0-9a-zA-Z-_]{3}(=)?))?$/,
  nanoid: /^[a-zA-Z0-9_-]{21}$/,
  jwt: /^[A-Za-z0-9-_]+\.[A-Za-z0-9-_]+\.[A-Za-z0-9-_]*$/
};
function parseStringDef(def, refs) {
  const res = {
    type: "string"
  };
  if (def.checks) {
    for (const check of def.checks) {
      switch (check.kind) {
        case "min":
          res.minLength = typeof res.minLength === "number" ? Math.max(res.minLength, check.value) : check.value;
          break;
        case "max":
          res.maxLength = typeof res.maxLength === "number" ? Math.min(res.maxLength, check.value) : check.value;
          break;
        case "email":
          switch (refs.emailStrategy) {
            case "format:email":
              addFormat(res, "email", check.message, refs);
              break;
            case "format:idn-email":
              addFormat(res, "idn-email", check.message, refs);
              break;
            case "pattern:zod":
              addPattern(res, zodPatterns.email, check.message, refs);
              break;
          }
          break;
        case "url":
          addFormat(res, "uri", check.message, refs);
          break;
        case "uuid":
          addFormat(res, "uuid", check.message, refs);
          break;
        case "regex":
          addPattern(res, check.regex, check.message, refs);
          break;
        case "cuid":
          addPattern(res, zodPatterns.cuid, check.message, refs);
          break;
        case "cuid2":
          addPattern(res, zodPatterns.cuid2, check.message, refs);
          break;
        case "startsWith":
          addPattern(
            res,
            RegExp(`^${escapeLiteralCheckValue(check.value, refs)}`),
            check.message,
            refs
          );
          break;
        case "endsWith":
          addPattern(
            res,
            RegExp(`${escapeLiteralCheckValue(check.value, refs)}$`),
            check.message,
            refs
          );
          break;
        case "datetime":
          addFormat(res, "date-time", check.message, refs);
          break;
        case "date":
          addFormat(res, "date", check.message, refs);
          break;
        case "time":
          addFormat(res, "time", check.message, refs);
          break;
        case "duration":
          addFormat(res, "duration", check.message, refs);
          break;
        case "length":
          res.minLength = typeof res.minLength === "number" ? Math.max(res.minLength, check.value) : check.value;
          res.maxLength = typeof res.maxLength === "number" ? Math.min(res.maxLength, check.value) : check.value;
          break;
        case "includes": {
          addPattern(
            res,
            RegExp(escapeLiteralCheckValue(check.value, refs)),
            check.message,
            refs
          );
          break;
        }
        case "ip": {
          if (check.version !== "v6") {
            addFormat(res, "ipv4", check.message, refs);
          }
          if (check.version !== "v4") {
            addFormat(res, "ipv6", check.message, refs);
          }
          break;
        }
        case "base64url":
          addPattern(res, zodPatterns.base64url, check.message, refs);
          break;
        case "jwt":
          addPattern(res, zodPatterns.jwt, check.message, refs);
          break;
        case "cidr": {
          if (check.version !== "v6") {
            addPattern(res, zodPatterns.ipv4Cidr, check.message, refs);
          }
          if (check.version !== "v4") {
            addPattern(res, zodPatterns.ipv6Cidr, check.message, refs);
          }
          break;
        }
        case "emoji":
          addPattern(res, zodPatterns.emoji(), check.message, refs);
          break;
        case "ulid": {
          addPattern(res, zodPatterns.ulid, check.message, refs);
          break;
        }
        case "base64": {
          switch (refs.base64Strategy) {
            case "format:binary": {
              addFormat(res, "binary", check.message, refs);
              break;
            }
            case "contentEncoding:base64": {
              res.contentEncoding = "base64";
              break;
            }
            case "pattern:zod": {
              addPattern(res, zodPatterns.base64, check.message, refs);
              break;
            }
          }
          break;
        }
        case "nanoid": {
          addPattern(res, zodPatterns.nanoid, check.message, refs);
        }
        case "toLowerCase":
        case "toUpperCase":
        case "trim":
          break;
        default:
          /* @__PURE__ */ ((_) => {
          })(check);
      }
    }
  }
  return res;
}
function escapeLiteralCheckValue(literal, refs) {
  return refs.patternStrategy === "escape" ? escapeNonAlphaNumeric(literal) : literal;
}
var ALPHA_NUMERIC = new Set(
  "ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvxyz0123456789"
);
function escapeNonAlphaNumeric(source) {
  let result = "";
  for (let i = 0; i < source.length; i++) {
    if (!ALPHA_NUMERIC.has(source[i])) {
      result += "\\";
    }
    result += source[i];
  }
  return result;
}
function addFormat(schema, value, message, refs) {
  var _a2;
  if (schema.format || ((_a2 = schema.anyOf) == null ? void 0 : _a2.some((x) => x.format))) {
    if (!schema.anyOf) {
      schema.anyOf = [];
    }
    if (schema.format) {
      schema.anyOf.push({
        format: schema.format
      });
      delete schema.format;
    }
    schema.anyOf.push({
      format: value,
      ...message && refs.errorMessages && { errorMessage: { format: message } }
    });
  } else {
    schema.format = value;
  }
}
function addPattern(schema, regex, message, refs) {
  var _a2;
  if (schema.pattern || ((_a2 = schema.allOf) == null ? void 0 : _a2.some((x) => x.pattern))) {
    if (!schema.allOf) {
      schema.allOf = [];
    }
    if (schema.pattern) {
      schema.allOf.push({
        pattern: schema.pattern
      });
      delete schema.pattern;
    }
    schema.allOf.push({
      pattern: stringifyRegExpWithFlags(regex, refs),
      ...message && refs.errorMessages && { errorMessage: { pattern: message } }
    });
  } else {
    schema.pattern = stringifyRegExpWithFlags(regex, refs);
  }
}
function stringifyRegExpWithFlags(regex, refs) {
  var _a2;
  if (!refs.applyRegexFlags || !regex.flags) {
    return regex.source;
  }
  const flags = {
    i: regex.flags.includes("i"),
    // Case-insensitive
    m: regex.flags.includes("m"),
    // `^` and `$` matches adjacent to newline characters
    s: regex.flags.includes("s")
    // `.` matches newlines
  };
  const source = flags.i ? regex.source.toLowerCase() : regex.source;
  let pattern = "";
  let isEscaped = false;
  let inCharGroup = false;
  let inCharRange = false;
  for (let i = 0; i < source.length; i++) {
    if (isEscaped) {
      pattern += source[i];
      isEscaped = false;
      continue;
    }
    if (flags.i) {
      if (inCharGroup) {
        if (source[i].match(/[a-z]/)) {
          if (inCharRange) {
            pattern += source[i];
            pattern += `${source[i - 2]}-${source[i]}`.toUpperCase();
            inCharRange = false;
          } else if (source[i + 1] === "-" && ((_a2 = source[i + 2]) == null ? void 0 : _a2.match(/[a-z]/))) {
            pattern += source[i];
            inCharRange = true;
          } else {
            pattern += `${source[i]}${source[i].toUpperCase()}`;
          }
          continue;
        }
      } else if (source[i].match(/[a-z]/)) {
        pattern += `[${source[i]}${source[i].toUpperCase()}]`;
        continue;
      }
    }
    if (flags.m) {
      if (source[i] === "^") {
        pattern += `(^|(?<=[\r
]))`;
        continue;
      } else if (source[i] === "$") {
        pattern += `($|(?=[\r
]))`;
        continue;
      }
    }
    if (flags.s && source[i] === ".") {
      pattern += inCharGroup ? `${source[i]}\r
` : `[${source[i]}\r
]`;
      continue;
    }
    pattern += source[i];
    if (source[i] === "\\") {
      isEscaped = true;
    } else if (inCharGroup && source[i] === "]") {
      inCharGroup = false;
    } else if (!inCharGroup && source[i] === "[") {
      inCharGroup = true;
    }
  }
  try {
    new RegExp(pattern);
  } catch (e) {
    console.warn(
      `Could not convert regex pattern at ${refs.currentPath.join(
        "/"
      )} to a flag-independent form! Falling back to the flag-ignorant source`
    );
    return regex.source;
  }
  return pattern;
}

// src/to-json-schema/zod3-to-json-schema/parsers/record.ts
function parseRecordDef(def, refs) {
  var _a2, _b2, _c, _d, _e, _f;
  const schema = {
    type: "object",
    additionalProperties: (_a2 = parseDef(def.valueType._def, {
      ...refs,
      currentPath: [...refs.currentPath, "additionalProperties"]
    })) != null ? _a2 : refs.allowedAdditionalProperties
  };
  if (((_b2 = def.keyType) == null ? void 0 : _b2._def.typeName) === import_v32.ZodFirstPartyTypeKind.ZodString && ((_c = def.keyType._def.checks) == null ? void 0 : _c.length)) {
    const { type, ...keyType } = parseStringDef(def.keyType._def, refs);
    return {
      ...schema,
      propertyNames: keyType
    };
  } else if (((_d = def.keyType) == null ? void 0 : _d._def.typeName) === import_v32.ZodFirstPartyTypeKind.ZodEnum) {
    return {
      ...schema,
      propertyNames: {
        enum: def.keyType._def.values
      }
    };
  } else if (((_e = def.keyType) == null ? void 0 : _e._def.typeName) === import_v32.ZodFirstPartyTypeKind.ZodBranded && def.keyType._def.type._def.typeName === import_v32.ZodFirstPartyTypeKind.ZodString && ((_f = def.keyType._def.type._def.checks) == null ? void 0 : _f.length)) {
    const { type, ...keyType } = parseBrandedDef(
      def.keyType._def,
      refs
    );
    return {
      ...schema,
      propertyNames: keyType
    };
  }
  return schema;
}

// src/to-json-schema/zod3-to-json-schema/parsers/map.ts
function parseMapDef(def, refs) {
  if (refs.mapStrategy === "record") {
    return parseRecordDef(def, refs);
  }
  const keys = parseDef(def.keyType._def, {
    ...refs,
    currentPath: [...refs.currentPath, "items", "items", "0"]
  }) || parseAnyDef();
  const values = parseDef(def.valueType._def, {
    ...refs,
    currentPath: [...refs.currentPath, "items", "items", "1"]
  }) || parseAnyDef();
  return {
    type: "array",
    maxItems: 125,
    items: {
      type: "array",
      items: [keys, values],
      minItems: 2,
      maxItems: 2
    }
  };
}

// src/to-json-schema/zod3-to-json-schema/parsers/native-enum.ts
function parseNativeEnumDef(def) {
  const object = def.values;
  const actualKeys = Object.keys(def.values).filter((key) => {
    return typeof object[object[key]] !== "number";
  });
  const actualValues = actualKeys.map((key) => object[key]);
  const parsedTypes = Array.from(
    new Set(actualValues.map((values) => typeof values))
  );
  return {
    type: parsedTypes.length === 1 ? parsedTypes[0] === "string" ? "string" : "number" : ["string", "number"],
    enum: actualValues
  };
}

// src/to-json-schema/zod3-to-json-schema/parsers/never.ts
function parseNeverDef() {
  return { not: parseAnyDef() };
}

// src/to-json-schema/zod3-to-json-schema/parsers/null.ts
function parseNullDef() {
  return {
    type: "null"
  };
}

// src/to-json-schema/zod3-to-json-schema/parsers/union.ts
var primitiveMappings = {
  ZodString: "string",
  ZodNumber: "number",
  ZodBigInt: "integer",
  ZodBoolean: "boolean",
  ZodNull: "null"
};
function parseUnionDef(def, refs) {
  const options = def.options instanceof Map ? Array.from(def.options.values()) : def.options;
  if (options.every(
    (x) => x._def.typeName in primitiveMappings && (!x._def.checks || !x._def.checks.length)
  )) {
    const types = options.reduce((types2, x) => {
      const type = primitiveMappings[x._def.typeName];
      return type && !types2.includes(type) ? [...types2, type] : types2;
    }, []);
    return {
      type: types.length > 1 ? types : types[0]
    };
  } else if (options.every((x) => x._def.typeName === "ZodLiteral" && !x.description)) {
    const types = options.reduce(
      (acc, x) => {
        const type = typeof x._def.value;
        switch (type) {
          case "string":
          case "number":
          case "boolean":
            return [...acc, type];
          case "bigint":
            return [...acc, "integer"];
          case "object":
            if (x._def.value === null) return [...acc, "null"];
          case "symbol":
          case "undefined":
          case "function":
          default:
            return acc;
        }
      },
      []
    );
    if (types.length === options.length) {
      const uniqueTypes = types.filter((x, i, a) => a.indexOf(x) === i);
      return {
        type: uniqueTypes.length > 1 ? uniqueTypes : uniqueTypes[0],
        enum: options.reduce(
          (acc, x) => {
            return acc.includes(x._def.value) ? acc : [...acc, x._def.value];
          },
          []
        )
      };
    }
  } else if (options.every((x) => x._def.typeName === "ZodEnum")) {
    return {
      type: "string",
      enum: options.reduce(
        (acc, x) => [
          ...acc,
          ...x._def.values.filter((x2) => !acc.includes(x2))
        ],
        []
      )
    };
  }
  return asAnyOf(def, refs);
}
var asAnyOf = (def, refs) => {
  const anyOf = (def.options instanceof Map ? Array.from(def.options.values()) : def.options).map(
    (x, i) => parseDef(x._def, {
      ...refs,
      currentPath: [...refs.currentPath, "anyOf", `${i}`]
    })
  ).filter(
    (x) => !!x && (!refs.strictUnions || typeof x === "object" && Object.keys(x).length > 0)
  );
  return anyOf.length ? { anyOf } : void 0;
};

// src/to-json-schema/zod3-to-json-schema/parsers/nullable.ts
function parseNullableDef(def, refs) {
  if (["ZodString", "ZodNumber", "ZodBigInt", "ZodBoolean", "ZodNull"].includes(
    def.innerType._def.typeName
  ) && (!def.innerType._def.checks || !def.innerType._def.checks.length)) {
    return {
      type: [
        primitiveMappings[def.innerType._def.typeName],
        "null"
      ]
    };
  }
  const base = parseDef(def.innerType._def, {
    ...refs,
    currentPath: [...refs.currentPath, "anyOf", "0"]
  });
  return base && { anyOf: [base, { type: "null" }] };
}

// src/to-json-schema/zod3-to-json-schema/parsers/number.ts
function parseNumberDef(def) {
  const res = {
    type: "number"
  };
  if (!def.checks) return res;
  for (const check of def.checks) {
    switch (check.kind) {
      case "int":
        res.type = "integer";
        break;
      case "min":
        if (check.inclusive) {
          res.minimum = check.value;
        } else {
          res.exclusiveMinimum = check.value;
        }
        break;
      case "max":
        if (check.inclusive) {
          res.maximum = check.value;
        } else {
          res.exclusiveMaximum = check.value;
        }
        break;
      case "multipleOf":
        res.multipleOf = check.value;
        break;
    }
  }
  return res;
}

// src/to-json-schema/zod3-to-json-schema/parsers/object.ts
function parseObjectDef(def, refs) {
  const result = {
    type: "object",
    properties: {}
  };
  const required = [];
  const shape = def.shape();
  for (const propName in shape) {
    let propDef = shape[propName];
    if (propDef === void 0 || propDef._def === void 0) {
      continue;
    }
    const propOptional = safeIsOptional(propDef);
    const parsedDef = parseDef(propDef._def, {
      ...refs,
      currentPath: [...refs.currentPath, "properties", propName],
      propertyPath: [...refs.currentPath, "properties", propName]
    });
    if (parsedDef === void 0) {
      continue;
    }
    result.properties[propName] = parsedDef;
    if (!propOptional) {
      required.push(propName);
    }
  }
  if (required.length) {
    result.required = required;
  }
  const additionalProperties = decideAdditionalProperties(def, refs);
  if (additionalProperties !== void 0) {
    result.additionalProperties = additionalProperties;
  }
  return result;
}
function decideAdditionalProperties(def, refs) {
  if (def.catchall._def.typeName !== "ZodNever") {
    return parseDef(def.catchall._def, {
      ...refs,
      currentPath: [...refs.currentPath, "additionalProperties"]
    });
  }
  switch (def.unknownKeys) {
    case "passthrough":
      return refs.allowedAdditionalProperties;
    case "strict":
      return refs.rejectedAdditionalProperties;
    case "strip":
      return refs.removeAdditionalStrategy === "strict" ? refs.allowedAdditionalProperties : refs.rejectedAdditionalProperties;
  }
}
function safeIsOptional(schema) {
  try {
    return schema.isOptional();
  } catch (e) {
    return true;
  }
}

// src/to-json-schema/zod3-to-json-schema/parsers/optional.ts
var parseOptionalDef = (def, refs) => {
  var _a2;
  if (refs.currentPath.toString() === ((_a2 = refs.propertyPath) == null ? void 0 : _a2.toString())) {
    return parseDef(def.innerType._def, refs);
  }
  const innerSchema = parseDef(def.innerType._def, {
    ...refs,
    currentPath: [...refs.currentPath, "anyOf", "1"]
  });
  return innerSchema ? { anyOf: [{ not: parseAnyDef() }, innerSchema] } : parseAnyDef();
};

// src/to-json-schema/zod3-to-json-schema/parsers/pipeline.ts
var parsePipelineDef = (def, refs) => {
  if (refs.pipeStrategy === "input") {
    return parseDef(def.in._def, refs);
  } else if (refs.pipeStrategy === "output") {
    return parseDef(def.out._def, refs);
  }
  const a = parseDef(def.in._def, {
    ...refs,
    currentPath: [...refs.currentPath, "allOf", "0"]
  });
  const b = parseDef(def.out._def, {
    ...refs,
    currentPath: [...refs.currentPath, "allOf", a ? "1" : "0"]
  });
  return {
    allOf: [a, b].filter((x) => x !== void 0)
  };
};

// src/to-json-schema/zod3-to-json-schema/parsers/promise.ts
function parsePromiseDef(def, refs) {
  return parseDef(def.type._def, refs);
}

// src/to-json-schema/zod3-to-json-schema/parsers/set.ts
function parseSetDef(def, refs) {
  const items = parseDef(def.valueType._def, {
    ...refs,
    currentPath: [...refs.currentPath, "items"]
  });
  const schema = {
    type: "array",
    uniqueItems: true,
    items
  };
  if (def.minSize) {
    schema.minItems = def.minSize.value;
  }
  if (def.maxSize) {
    schema.maxItems = def.maxSize.value;
  }
  return schema;
}

// src/to-json-schema/zod3-to-json-schema/parsers/tuple.ts
function parseTupleDef(def, refs) {
  if (def.rest) {
    return {
      type: "array",
      minItems: def.items.length,
      items: def.items.map(
        (x, i) => parseDef(x._def, {
          ...refs,
          currentPath: [...refs.currentPath, "items", `${i}`]
        })
      ).reduce(
        (acc, x) => x === void 0 ? acc : [...acc, x],
        []
      ),
      additionalItems: parseDef(def.rest._def, {
        ...refs,
        currentPath: [...refs.currentPath, "additionalItems"]
      })
    };
  } else {
    return {
      type: "array",
      minItems: def.items.length,
      maxItems: def.items.length,
      items: def.items.map(
        (x, i) => parseDef(x._def, {
          ...refs,
          currentPath: [...refs.currentPath, "items", `${i}`]
        })
      ).reduce(
        (acc, x) => x === void 0 ? acc : [...acc, x],
        []
      )
    };
  }
}

// src/to-json-schema/zod3-to-json-schema/parsers/undefined.ts
function parseUndefinedDef() {
  return {
    not: parseAnyDef()
  };
}

// src/to-json-schema/zod3-to-json-schema/parsers/unknown.ts
function parseUnknownDef() {
  return parseAnyDef();
}

// src/to-json-schema/zod3-to-json-schema/parsers/readonly.ts
var parseReadonlyDef = (def, refs) => {
  return parseDef(def.innerType._def, refs);
};

// src/to-json-schema/zod3-to-json-schema/select-parser.ts
var selectParser = (def, typeName, refs) => {
  switch (typeName) {
    case import_v33.ZodFirstPartyTypeKind.ZodString:
      return parseStringDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodNumber:
      return parseNumberDef(def);
    case import_v33.ZodFirstPartyTypeKind.ZodObject:
      return parseObjectDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodBigInt:
      return parseBigintDef(def);
    case import_v33.ZodFirstPartyTypeKind.ZodBoolean:
      return parseBooleanDef();
    case import_v33.ZodFirstPartyTypeKind.ZodDate:
      return parseDateDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodUndefined:
      return parseUndefinedDef();
    case import_v33.ZodFirstPartyTypeKind.ZodNull:
      return parseNullDef();
    case import_v33.ZodFirstPartyTypeKind.ZodArray:
      return parseArrayDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodUnion:
    case import_v33.ZodFirstPartyTypeKind.ZodDiscriminatedUnion:
      return parseUnionDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodIntersection:
      return parseIntersectionDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodTuple:
      return parseTupleDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodRecord:
      return parseRecordDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodLiteral:
      return parseLiteralDef(def);
    case import_v33.ZodFirstPartyTypeKind.ZodEnum:
      return parseEnumDef(def);
    case import_v33.ZodFirstPartyTypeKind.ZodNativeEnum:
      return parseNativeEnumDef(def);
    case import_v33.ZodFirstPartyTypeKind.ZodNullable:
      return parseNullableDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodOptional:
      return parseOptionalDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodMap:
      return parseMapDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodSet:
      return parseSetDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodLazy:
      return () => def.getter()._def;
    case import_v33.ZodFirstPartyTypeKind.ZodPromise:
      return parsePromiseDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodNaN:
    case import_v33.ZodFirstPartyTypeKind.ZodNever:
      return parseNeverDef();
    case import_v33.ZodFirstPartyTypeKind.ZodEffects:
      return parseEffectsDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodAny:
      return parseAnyDef();
    case import_v33.ZodFirstPartyTypeKind.ZodUnknown:
      return parseUnknownDef();
    case import_v33.ZodFirstPartyTypeKind.ZodDefault:
      return parseDefaultDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodBranded:
      return parseBrandedDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodReadonly:
      return parseReadonlyDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodCatch:
      return parseCatchDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodPipeline:
      return parsePipelineDef(def, refs);
    case import_v33.ZodFirstPartyTypeKind.ZodFunction:
    case import_v33.ZodFirstPartyTypeKind.ZodVoid:
    case import_v33.ZodFirstPartyTypeKind.ZodSymbol:
      return void 0;
    default:
      return /* @__PURE__ */ ((_) => void 0)(typeName);
  }
};

// src/to-json-schema/zod3-to-json-schema/get-relative-path.ts
var getRelativePath = (pathA, pathB) => {
  let i = 0;
  for (; i < pathA.length && i < pathB.length; i++) {
    if (pathA[i] !== pathB[i]) break;
  }
  return [(pathA.length - i).toString(), ...pathB.slice(i)].join("/");
};

// src/to-json-schema/zod3-to-json-schema/parse-def.ts
function parseDef(def, refs, forceResolution = false) {
  var _a2;
  const seenItem = refs.seen.get(def);
  if (refs.override) {
    const overrideResult = (_a2 = refs.override) == null ? void 0 : _a2.call(
      refs,
      def,
      refs,
      seenItem,
      forceResolution
    );
    if (overrideResult !== ignoreOverride) {
      return overrideResult;
    }
  }
  if (seenItem && !forceResolution) {
    const seenSchema = get$ref(seenItem, refs);
    if (seenSchema !== void 0) {
      return seenSchema;
    }
  }
  const newItem = { def, path: refs.currentPath, jsonSchema: void 0 };
  refs.seen.set(def, newItem);
  const jsonSchemaOrGetter = selectParser(def, def.typeName, refs);
  const jsonSchema2 = typeof jsonSchemaOrGetter === "function" ? parseDef(jsonSchemaOrGetter(), refs) : jsonSchemaOrGetter;
  if (jsonSchema2) {
    addMeta(def, refs, jsonSchema2);
  }
  if (refs.postProcess) {
    const postProcessResult = refs.postProcess(jsonSchema2, def, refs);
    newItem.jsonSchema = jsonSchema2;
    return postProcessResult;
  }
  newItem.jsonSchema = jsonSchema2;
  return jsonSchema2;
}
var get$ref = (item, refs) => {
  switch (refs.$refStrategy) {
    case "root":
      return { $ref: item.path.join("/") };
    case "relative":
      return { $ref: getRelativePath(refs.currentPath, item.path) };
    case "none":
    case "seen": {
      if (item.path.length < refs.currentPath.length && item.path.every((value, index) => refs.currentPath[index] === value)) {
        console.warn(
          `Recursive reference detected at ${refs.currentPath.join(
            "/"
          )}! Defaulting to any`
        );
        return parseAnyDef();
      }
      return refs.$refStrategy === "seen" ? parseAnyDef() : void 0;
    }
  }
};
var addMeta = (def, refs, jsonSchema2) => {
  if (def.description) {
    jsonSchema2.description = def.description;
  }
  return jsonSchema2;
};

// src/to-json-schema/zod3-to-json-schema/refs.ts
var getRefs = (options) => {
  const _options = getDefaultOptions(options);
  const currentPath = _options.name !== void 0 ? [..._options.basePath, _options.definitionPath, _options.name] : _options.basePath;
  return {
    ..._options,
    currentPath,
    propertyPath: void 0,
    seen: new Map(
      Object.entries(_options.definitions).map(([name2, def]) => [
        def._def,
        {
          def: def._def,
          path: [..._options.basePath, _options.definitionPath, name2],
          // Resolution of references will be forced even though seen, so it's ok that the schema is undefined here for now.
          jsonSchema: void 0
        }
      ])
    )
  };
};

// src/to-json-schema/zod3-to-json-schema/zod3-to-json-schema.ts
var zod3ToJsonSchema = (schema, options) => {
  var _a2;
  const refs = getRefs(options);
  let definitions = typeof options === "object" && options.definitions ? Object.entries(options.definitions).reduce(
    (acc, [name3, schema2]) => {
      var _a3;
      return {
        ...acc,
        [name3]: (_a3 = parseDef(
          schema2._def,
          {
            ...refs,
            currentPath: [...refs.basePath, refs.definitionPath, name3]
          },
          true
        )) != null ? _a3 : parseAnyDef()
      };
    },
    {}
  ) : void 0;
  const name2 = typeof options === "string" ? options : (options == null ? void 0 : options.nameStrategy) === "title" ? void 0 : options == null ? void 0 : options.name;
  const main = (_a2 = parseDef(
    schema._def,
    name2 === void 0 ? refs : {
      ...refs,
      currentPath: [...refs.basePath, refs.definitionPath, name2]
    },
    false
  )) != null ? _a2 : parseAnyDef();
  const title = typeof options === "object" && options.name !== void 0 && options.nameStrategy === "title" ? options.name : void 0;
  if (title !== void 0) {
    main.title = title;
  }
  const combined = name2 === void 0 ? definitions ? {
    ...main,
    [refs.definitionPath]: definitions
  } : main : {
    $ref: [
      ...refs.$refStrategy === "relative" ? [] : refs.basePath,
      refs.definitionPath,
      name2
    ].join("/"),
    [refs.definitionPath]: {
      ...definitions,
      [name2]: main
    }
  };
  combined.$schema = "http://json-schema.org/draft-07/schema#";
  return combined;
};

// src/schema.ts
var schemaSymbol = /* @__PURE__ */ Symbol.for("vercel.ai.schema");
function lazySchema(createSchema) {
  let schema;
  return () => {
    if (schema == null) {
      schema = createSchema();
    }
    return schema;
  };
}
function jsonSchema(jsonSchema2, {
  validate
} = {}) {
  return {
    [schemaSymbol]: true,
    _type: void 0,
    // should never be used directly
    get jsonSchema() {
      if (typeof jsonSchema2 === "function") {
        jsonSchema2 = jsonSchema2();
      }
      return jsonSchema2;
    },
    validate
  };
}
function isSchema(value) {
  return typeof value === "object" && value !== null && schemaSymbol in value && value[schemaSymbol] === true && "jsonSchema" in value && "validate" in value;
}
function asSchema(schema) {
  return schema == null ? jsonSchema({ properties: {}, additionalProperties: false }) : isSchema(schema) ? schema : "~standard" in schema ? schema["~standard"].vendor === "zod" ? zodSchema(schema) : standardSchema(schema) : schema();
}
function standardSchema(standardSchema2) {
  return jsonSchema(
    () => addAdditionalPropertiesToJsonSchema(
      standardSchema2["~standard"].jsonSchema.input({
        target: "draft-07"
      })
    ),
    {
      validate: async (value) => {
        const result = await standardSchema2["~standard"].validate(value);
        return "value" in result ? { success: true, value: result.value } : {
          success: false,
          error: new import_provider7.TypeValidationError({
            value,
            cause: result.issues
          })
        };
      }
    }
  );
}
function zod3Schema(zodSchema2, options) {
  var _a2;
  const useReferences = (_a2 = options == null ? void 0 : options.useReferences) != null ? _a2 : false;
  return jsonSchema(
    // defer json schema creation to avoid unnecessary computation when only validation is needed
    () => zod3ToJsonSchema(zodSchema2, {
      $refStrategy: useReferences ? "root" : "none"
    }),
    {
      validate: async (value) => {
        const result = await zodSchema2.safeParseAsync(value);
        return result.success ? { success: true, value: result.data } : { success: false, error: result.error };
      }
    }
  );
}
function zod4Schema(zodSchema2, options) {
  var _a2;
  const useReferences = (_a2 = options == null ? void 0 : options.useReferences) != null ? _a2 : false;
  return jsonSchema(
    // defer json schema creation to avoid unnecessary computation when only validation is needed
    () => addAdditionalPropertiesToJsonSchema(
      z4.toJSONSchema(zodSchema2, {
        target: "draft-7",
        io: "input",
        reused: useReferences ? "ref" : "inline"
      })
    ),
    {
      validate: async (value) => {
        const result = await z4.safeParseAsync(zodSchema2, value);
        return result.success ? { success: true, value: result.data } : { success: false, error: result.error };
      }
    }
  );
}
function isZod4Schema(zodSchema2) {
  return "_zod" in zodSchema2;
}
function zodSchema(zodSchema2, options) {
  if (isZod4Schema(zodSchema2)) {
    return zod4Schema(zodSchema2, options);
  } else {
    return zod3Schema(zodSchema2, options);
  }
}

// src/validate-types.ts
async function validateTypes({
  value,
  schema,
  context
}) {
  const result = await safeValidateTypes({ value, schema, context });
  if (!result.success) {
    throw import_provider8.TypeValidationError.wrap({ value, cause: result.error, context });
  }
  return result.value;
}
async function safeValidateTypes({
  value,
  schema,
  context
}) {
  const actualSchema = asSchema(schema);
  try {
    if (actualSchema.validate == null) {
      return { success: true, value, rawValue: value };
    }
    const result = await actualSchema.validate(value);
    if (result.success) {
      return { success: true, value: result.value, rawValue: value };
    }
    return {
      success: false,
      error: import_provider8.TypeValidationError.wrap({ value, cause: result.error, context }),
      rawValue: value
    };
  } catch (error) {
    return {
      success: false,
      error: import_provider8.TypeValidationError.wrap({ value, cause: error, context }),
      rawValue: value
    };
  }
}

// src/parse-json.ts
async function parseJSON({
  text,
  schema
}) {
  try {
    const value = secureJsonParse(text);
    if (schema == null) {
      return value;
    }
    return validateTypes({ value, schema });
  } catch (error) {
    if (import_provider9.JSONParseError.isInstance(error) || import_provider9.TypeValidationError.isInstance(error)) {
      throw error;
    }
    throw new import_provider9.JSONParseError({ text, cause: error });
  }
}
async function safeParseJSON({
  text,
  schema
}) {
  try {
    const value = secureJsonParse(text);
    if (schema == null) {
      return { success: true, value, rawValue: value };
    }
    return await safeValidateTypes({ value, schema });
  } catch (error) {
    return {
      success: false,
      error: import_provider9.JSONParseError.isInstance(error) ? error : new import_provider9.JSONParseError({ text, cause: error }),
      rawValue: void 0
    };
  }
}
function isParsableJson(input) {
  try {
    secureJsonParse(input);
    return true;
  } catch (e) {
    return false;
  }
}

// src/parse-json-event-stream.ts
var import_stream = require("eventsource-parser/stream");
function parseJsonEventStream({
  stream,
  schema
}) {
  return stream.pipeThrough(new TextDecoderStream()).pipeThrough(new import_stream.EventSourceParserStream()).pipeThrough(
    new TransformStream({
      async transform({ data }, controller) {
        if (data === "[DONE]") {
          return;
        }
        controller.enqueue(await safeParseJSON({ text: data, schema }));
      }
    })
  );
}

// src/parse-provider-options.ts
var import_provider10 = require("@ai-sdk/provider");
async function parseProviderOptions({
  provider,
  providerOptions,
  schema
}) {
  if ((providerOptions == null ? void 0 : providerOptions[provider]) == null) {
    return void 0;
  }
  const parsedProviderOptions = await safeValidateTypes({
    value: providerOptions[provider],
    schema
  });
  if (!parsedProviderOptions.success) {
    throw new import_provider10.InvalidArgumentError({
      argument: "providerOptions",
      message: `invalid ${provider} provider options`,
      cause: parsedProviderOptions.error
    });
  }
  return parsedProviderOptions.value;
}

// src/post-to-api.ts
var import_provider11 = require("@ai-sdk/provider");
var getOriginalFetch2 = () => globalThis.fetch;
var postJsonToApi = async ({
  url,
  headers,
  body,
  failedResponseHandler,
  successfulResponseHandler,
  abortSignal,
  fetch: fetch2
}) => postToApi({
  url,
  headers: {
    "Content-Type": "application/json",
    ...headers
  },
  body: {
    content: JSON.stringify(body),
    values: body
  },
  failedResponseHandler,
  successfulResponseHandler,
  abortSignal,
  fetch: fetch2
});
var postFormDataToApi = async ({
  url,
  headers,
  formData,
  failedResponseHandler,
  successfulResponseHandler,
  abortSignal,
  fetch: fetch2
}) => postToApi({
  url,
  headers,
  body: {
    content: formData,
    values: Object.fromEntries(formData.entries())
  },
  failedResponseHandler,
  successfulResponseHandler,
  abortSignal,
  fetch: fetch2
});
var postToApi = async ({
  url,
  headers = {},
  body,
  successfulResponseHandler,
  failedResponseHandler,
  abortSignal,
  fetch: fetch2 = getOriginalFetch2()
}) => {
  try {
    const response = await fetch2(url, {
      method: "POST",
      headers: withUserAgentSuffix(
        headers,
        `ai-sdk/provider-utils/${VERSION}`,
        getRuntimeEnvironmentUserAgent()
      ),
      body: body.content,
      signal: abortSignal
    });
    const responseHeaders = extractResponseHeaders(response);
    if (!response.ok) {
      let errorInformation;
      try {
        errorInformation = await failedResponseHandler({
          response,
          url,
          requestBodyValues: body.values
        });
      } catch (error) {
        if (isAbortError(error) || import_provider11.APICallError.isInstance(error)) {
          throw error;
        }
        throw new import_provider11.APICallError({
          message: "Failed to process error response",
          cause: error,
          statusCode: response.status,
          url,
          responseHeaders,
          requestBodyValues: body.values
        });
      }
      throw errorInformation.value;
    }
    try {
      return await successfulResponseHandler({
        response,
        url,
        requestBodyValues: body.values
      });
    } catch (error) {
      if (error instanceof Error) {
        if (isAbortError(error) || import_provider11.APICallError.isInstance(error)) {
          throw error;
        }
      }
      throw new import_provider11.APICallError({
        message: "Failed to process successful response",
        cause: error,
        statusCode: response.status,
        url,
        responseHeaders,
        requestBodyValues: body.values
      });
    }
  } catch (error) {
    throw handleFetchError({ error, url, requestBodyValues: body.values });
  }
};

// src/types/tool.ts
function tool(tool2) {
  return tool2;
}
function dynamicTool(tool2) {
  return { ...tool2, type: "dynamic" };
}

// src/provider-tool-factory.ts
function createProviderToolFactory({
  id,
  inputSchema
}) {
  return ({
    execute,
    outputSchema,
    needsApproval,
    toModelOutput,
    onInputStart,
    onInputDelta,
    onInputAvailable,
    ...args
  }) => tool({
    type: "provider",
    id,
    args,
    inputSchema,
    outputSchema,
    execute,
    needsApproval,
    toModelOutput,
    onInputStart,
    onInputDelta,
    onInputAvailable
  });
}
function createProviderToolFactoryWithOutputSchema({
  id,
  inputSchema,
  outputSchema,
  supportsDeferredResults
}) {
  return ({
    execute,
    needsApproval,
    toModelOutput,
    onInputStart,
    onInputDelta,
    onInputAvailable,
    ...args
  }) => tool({
    type: "provider",
    id,
    args,
    inputSchema,
    outputSchema,
    execute,
    needsApproval,
    toModelOutput,
    onInputStart,
    onInputDelta,
    onInputAvailable,
    supportsDeferredResults
  });
}

// src/remove-undefined-entries.ts
function removeUndefinedEntries(record) {
  return Object.fromEntries(
    Object.entries(record).filter(([_key, value]) => value != null)
  );
}

// src/resolve.ts
async function resolve(value) {
  if (typeof value === "function") {
    value = value();
  }
  return Promise.resolve(value);
}

// src/response-handler.ts
var import_provider12 = require("@ai-sdk/provider");
var createJsonErrorResponseHandler = ({
  errorSchema,
  errorToMessage,
  isRetryable
}) => async ({ response, url, requestBodyValues }) => {
  const responseBody = await response.text();
  const responseHeaders = extractResponseHeaders(response);
  if (responseBody.trim() === "") {
    return {
      responseHeaders,
      value: new import_provider12.APICallError({
        message: response.statusText,
        url,
        requestBodyValues,
        statusCode: response.status,
        responseHeaders,
        responseBody,
        isRetryable: isRetryable == null ? void 0 : isRetryable(response)
      })
    };
  }
  try {
    const parsedError = await parseJSON({
      text: responseBody,
      schema: errorSchema
    });
    return {
      responseHeaders,
      value: new import_provider12.APICallError({
        message: errorToMessage(parsedError),
        url,
        requestBodyValues,
        statusCode: response.status,
        responseHeaders,
        responseBody,
        data: parsedError,
        isRetryable: isRetryable == null ? void 0 : isRetryable(response, parsedError)
      })
    };
  } catch (parseError) {
    return {
      responseHeaders,
      value: new import_provider12.APICallError({
        message: response.statusText,
        url,
        requestBodyValues,
        statusCode: response.status,
        responseHeaders,
        responseBody,
        isRetryable: isRetryable == null ? void 0 : isRetryable(response)
      })
    };
  }
};
var createEventSourceResponseHandler = (chunkSchema) => async ({ response }) => {
  const responseHeaders = extractResponseHeaders(response);
  if (response.body == null) {
    throw new import_provider12.EmptyResponseBodyError({});
  }
  return {
    responseHeaders,
    value: parseJsonEventStream({
      stream: response.body,
      schema: chunkSchema
    })
  };
};
var createJsonResponseHandler = (responseSchema) => async ({ response, url, requestBodyValues }) => {
  const responseBody = await response.text();
  const parsedResult = await safeParseJSON({
    text: responseBody,
    schema: responseSchema
  });
  const responseHeaders = extractResponseHeaders(response);
  if (!parsedResult.success) {
    throw new import_provider12.APICallError({
      message: "Invalid JSON response",
      cause: parsedResult.error,
      statusCode: response.status,
      responseHeaders,
      responseBody,
      url,
      requestBodyValues
    });
  }
  return {
    responseHeaders,
    value: parsedResult.value,
    rawValue: parsedResult.rawValue
  };
};
var createBinaryResponseHandler = () => async ({ response, url, requestBodyValues }) => {
  const responseHeaders = extractResponseHeaders(response);
  if (!response.body) {
    throw new import_provider12.APICallError({
      message: "Response body is empty",
      url,
      requestBodyValues,
      statusCode: response.status,
      responseHeaders,
      responseBody: void 0
    });
  }
  try {
    const buffer = await response.arrayBuffer();
    return {
      responseHeaders,
      value: new Uint8Array(buffer)
    };
  } catch (error) {
    throw new import_provider12.APICallError({
      message: "Failed to read response as array buffer",
      url,
      requestBodyValues,
      statusCode: response.status,
      responseHeaders,
      responseBody: void 0,
      cause: error
    });
  }
};
var createStatusCodeErrorResponseHandler = () => async ({ response, url, requestBodyValues }) => {
  const responseHeaders = extractResponseHeaders(response);
  const responseBody = await response.text();
  return {
    responseHeaders,
    value: new import_provider12.APICallError({
      message: response.statusText,
      url,
      requestBodyValues,
      statusCode: response.status,
      responseHeaders,
      responseBody
    })
  };
};

// src/strip-file-extension.ts
function stripFileExtension(filename) {
  const firstDotIndex = filename.indexOf(".");
  return firstDotIndex === -1 ? filename : filename.slice(0, firstDotIndex);
}

// src/without-trailing-slash.ts
function withoutTrailingSlash(url) {
  return url == null ? void 0 : url.replace(/\/$/, "");
}

// src/is-async-iterable.ts
function isAsyncIterable(obj) {
  return obj != null && typeof obj[Symbol.asyncIterator] === "function";
}

// src/types/execute-tool.ts
async function* executeTool({
  execute,
  input,
  options
}) {
  const result = execute(input, options);
  if (isAsyncIterable(result)) {
    let lastOutput;
    for await (const output of result) {
      lastOutput = output;
      yield { type: "preliminary", output };
    }
    yield { type: "final", output: lastOutput };
  } else {
    yield { type: "final", output: await result };
  }
}

// src/index.ts
var import_stream2 = require("eventsource-parser/stream");
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  DEFAULT_MAX_DOWNLOAD_SIZE,
  DelayedPromise,
  DownloadError,
  EventSourceParserStream,
  VERSION,
  asSchema,
  combineHeaders,
  convertAsyncIteratorToReadableStream,
  convertBase64ToUint8Array,
  convertImageModelFileToDataUri,
  convertToBase64,
  convertToFormData,
  convertUint8ArrayToBase64,
  createBinaryResponseHandler,
  createEventSourceResponseHandler,
  createIdGenerator,
  createJsonErrorResponseHandler,
  createJsonResponseHandler,
  createProviderToolFactory,
  createProviderToolFactoryWithOutputSchema,
  createStatusCodeErrorResponseHandler,
  createToolNameMapping,
  delay,
  downloadBlob,
  dynamicTool,
  executeTool,
  extractResponseHeaders,
  generateId,
  getErrorMessage,
  getFromApi,
  getRuntimeEnvironmentUserAgent,
  injectJsonInstructionIntoMessages,
  isAbortError,
  isNonNullable,
  isParsableJson,
  isUrlSupported,
  jsonSchema,
  lazySchema,
  loadApiKey,
  loadOptionalSetting,
  loadSetting,
  mediaTypeToExtension,
  normalizeHeaders,
  parseJSON,
  parseJsonEventStream,
  parseProviderOptions,
  postFormDataToApi,
  postJsonToApi,
  postToApi,
  readResponseWithSizeLimit,
  removeUndefinedEntries,
  resolve,
  safeParseJSON,
  safeValidateTypes,
  stripFileExtension,
  tool,
  validateDownloadUrl,
  validateTypes,
  withUserAgentSuffix,
  withoutTrailingSlash,
  zodSchema
});
//# sourceMappingURL=index.js.map