@ai-sdk/provider-utils - npm Package Compare versions

Comparing version 0.0.11 to 0.0.12

./dist/index.js

@@ -39,2 +39,3 @@ "use strict";
   createJsonResponseHandler: () => createJsonResponseHandler,
+  download: () => download,
   extractResponseHeaders: () => extractResponseHeaders,
@@ -44,2 +45,3 @@ generateId: () => generateId,
   isAbortError: () => isAbortError,
+  isParsableJson: () => isParsableJson,
   isParseableJson: () => isParseableJson,
@@ -87,2 +89,31 @@ loadApiKey: () => loadApiKey,
 
+// src/download.ts
+var import_provider = require("@ai-sdk/provider");
+async function download({
+  url,
+  fetchImplementation = fetch
+}) {
+  var _a;
+  const urlText = url.toString();
+  try {
+    const response = await fetchImplementation(urlText);
+    if (!response.ok) {
+      throw new import_provider.DownloadError({
+        url: urlText,
+        statusCode: response.status,
+        statusText: response.statusText
+      });
+    }
+    return {
+      data: new Uint8Array(await response.arrayBuffer()),
+      mimeType: (_a = response.headers.get("content-type")) != null ? _a : void 0
+    };
+  } catch (error) {
+    if (import_provider.DownloadError.isDownloadError(error)) {
+      throw error;
+    }
+    throw new import_provider.DownloadError({ url: urlText, cause: error });
+  }
+}
+
 // src/extract-response-headers.ts
@@ -124,3 +155,3 @@ function extractResponseHeaders(response) {
 // src/load-api-key.ts
-var import_provider = require("@ai-sdk/provider");
+var import_provider2 = require("@ai-sdk/provider");
 function loadApiKey({
@@ -136,3 +167,3 @@ apiKey,
   if (apiKey != null) {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key must be a string.`
@@ -142,3 +173,3 @@ });
   if (typeof process === "undefined") {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter. Environment variables is not supported in this environment.`
@@ -149,3 +180,3 @@ });
   if (apiKey == null) {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter or the ${environmentVariableName} environment variable.`
@@ -155,3 +186,3 @@ });
   if (typeof apiKey !== "string") {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key must be a string. The value of the ${environmentVariableName} environment variable is not a string.`
@@ -164,3 +195,3 @@ });
 // src/load-setting.ts
-var import_provider2 = require("@ai-sdk/provider");
+var import_provider3 = require("@ai-sdk/provider");
 function loadSetting({
@@ -176,3 +207,3 @@ settingValue,
   if (settingValue != null) {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting must be a string.`
@@ -182,3 +213,3 @@ });
   if (typeof process === "undefined") {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting is missing. Pass it using the '${settingName}' parameter. Environment variables is not supported in this environment.`
@@ -189,3 +220,3 @@ });
   if (settingValue == null) {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting is missing. Pass it using the '${settingName}' parameter or the ${environmentVariableName} environment variable.`
@@ -195,3 +226,3 @@ });
   if (typeof settingValue !== "string") {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting must be a string. The value of the ${environmentVariableName} environment variable is not a string.`
@@ -204,7 +235,7 @@ });
 // src/parse-json.ts
-var import_provider4 = require("@ai-sdk/provider");
+var import_provider5 = require("@ai-sdk/provider");
 var import_secure_json_parse = __toESM(require("secure-json-parse"));
 
 // src/validate-types.ts
-var import_provider3 = require("@ai-sdk/provider");
+var import_provider4 = require("@ai-sdk/provider");
 function validateTypes({
@@ -217,3 +248,3 @@ value,
   } catch (error) {
-    throw new import_provider3.TypeValidationError({ value, cause: error });
+    throw new import_provider4.TypeValidationError({ value, cause: error });
   }
@@ -235,3 +266,3 @@ }
       success: false,
-      error: new import_provider3.TypeValidationError({
+      error: new import_provider4.TypeValidationError({
         value,
@@ -244,3 +275,3 @@ cause: validationResult.error
       success: false,
-      error: import_provider3.TypeValidationError.isTypeValidationError(error) ? error : new import_provider3.TypeValidationError({ value, cause: error })
+      error: import_provider4.TypeValidationError.isTypeValidationError(error) ? error : new import_provider4.TypeValidationError({ value, cause: error })
     };
@@ -262,6 +293,6 @@ }
   } catch (error) {
-    if (import_provider4.JSONParseError.isJSONParseError(error) || import_provider4.TypeValidationError.isTypeValidationError(error)) {
+    if (import_provider5.JSONParseError.isJSONParseError(error) || import_provider5.TypeValidationError.isTypeValidationError(error)) {
       throw error;
     }
-    throw new import_provider4.JSONParseError({ text, cause: error });
+    throw new import_provider5.JSONParseError({ text, cause: error });
   }
@@ -285,7 +316,7 @@ }
       success: false,
-      error: import_provider4.JSONParseError.isJSONParseError(error) ? error : new import_provider4.JSONParseError({ text, cause: error })
+      error: import_provider5.JSONParseError.isJSONParseError(error) ? error : new import_provider5.JSONParseError({ text, cause: error })
     };
   }
 }
-function isParseableJson(input) {
+function isParsableJson(input) {
   try {
@@ -298,5 +329,6 @@ import_secure_json_parse.default.parse(input);
 }
+var isParseableJson = isParsableJson;
 
 // src/post-to-api.ts
-var import_provider5 = require("@ai-sdk/provider");
+var import_provider6 = require("@ai-sdk/provider");
 var postJsonToApi = async ({
@@ -351,6 +383,6 @@ url,
       } catch (error) {
-        if (isAbortError(error) || import_provider5.APICallError.isAPICallError(error)) {
+        if (isAbortError(error) || import_provider6.APICallError.isAPICallError(error)) {
           throw error;
         }
-        throw new import_provider5.APICallError({
+        throw new import_provider6.APICallError({
           message: "Failed to process error response",
@@ -374,7 +406,7 @@ cause: error,
       if (error instanceof Error) {
-        if (isAbortError(error) || import_provider5.APICallError.isAPICallError(error)) {
+        if (isAbortError(error) || import_provider6.APICallError.isAPICallError(error)) {
           throw error;
         }
       }
-      throw new import_provider5.APICallError({
+      throw new import_provider6.APICallError({
         message: "Failed to process successful response",
@@ -395,3 +427,3 @@ cause: error,
       if (cause != null) {
-        throw new import_provider5.APICallError({
+        throw new import_provider6.APICallError({
           message: `Cannot connect to API: ${cause.message}`,
@@ -411,3 +443,3 @@ cause,
 // src/response-handler.ts
-var import_provider6 = require("@ai-sdk/provider");
+var import_provider7 = require("@ai-sdk/provider");
 var import_stream = require("eventsource-parser/stream");
@@ -424,3 +456,3 @@ var createJsonErrorResponseHandler = ({
       responseHeaders,
-      value: new import_provider6.APICallError({
+      value: new import_provider7.APICallError({
         message: response.statusText,
@@ -443,3 +475,3 @@ url,
       responseHeaders,
-      value: new import_provider6.APICallError({
+      value: new import_provider7.APICallError({
         message: errorToMessage(parsedError),
@@ -458,3 +490,3 @@ url,
       responseHeaders,
-      value: new import_provider6.APICallError({
+      value: new import_provider7.APICallError({
         message: response.statusText,
@@ -474,3 +506,3 @@ url,
   if (response.body == null) {
-    throw new import_provider6.EmptyResponseBodyError({});
+    throw new import_provider7.EmptyResponseBodyError({});
   }
@@ -504,3 +536,3 @@ return {
   if (!parsedResult.success) {
-    throw new import_provider6.APICallError({
+    throw new import_provider7.APICallError({
       message: "Invalid JSON response",
@@ -547,2 +579,3 @@ cause: parsedResult.error,
   createJsonResponseHandler,
+  download,
   extractResponseHeaders,
@@ -552,2 +585,3 @@ generateId,
   isAbortError,
+  isParsableJson,
   isParseableJson,
@@ -554,0 +588,0 @@ loadApiKey,

dist/index.d.mts

@@ -14,2 +14,10 @@ import { JSONParseError, TypeValidationError, APICallError } from '@ai-sdk/provider';
 
+declare function download({ url, fetchImplementation, }: {
+    url: URL;
+    fetchImplementation?: typeof fetch;
+}): Promise<{
+    data: Uint8Array;
+    mimeType: string | undefined;
+}>;
+
 /**
@@ -95,3 +103,7 @@ Extracts the headers from a response object and returns them as a key-value object.
 }): ParseResult<T>;
-declare function isParseableJson(input: string): boolean;
+declare function isParsableJson(input: string): boolean;
+/**
+@deprecated Use `isParsableJson` instead.
+ */
+declare const isParseableJson: typeof isParsableJson;
 
@@ -178,2 +190,2 @@ type ResponseHandler<RETURN_TYPE> = (options: {
 
-export { type ParseResult, type ResponseHandler, convertAsyncGeneratorToReadableStream, convertBase64ToUint8Array, convertUint8ArrayToBase64, createEventSourceResponseHandler, createJsonErrorResponseHandler, createJsonResponseHandler, extractResponseHeaders, generateId, getErrorMessage, isAbortError, isParseableJson, loadApiKey, loadSetting, parseJSON, postJsonToApi, postToApi, safeParseJSON, safeValidateTypes, validateTypes, withoutTrailingSlash };
+export { type ParseResult, type ResponseHandler, convertAsyncGeneratorToReadableStream, convertBase64ToUint8Array, convertUint8ArrayToBase64, createEventSourceResponseHandler, createJsonErrorResponseHandler, createJsonResponseHandler, download, extractResponseHeaders, generateId, getErrorMessage, isAbortError, isParsableJson, isParseableJson, loadApiKey, loadSetting, parseJSON, postJsonToApi, postToApi, safeParseJSON, safeValidateTypes, validateTypes, withoutTrailingSlash };

dist/index.d.ts

@@ -14,2 +14,10 @@ import { JSONParseError, TypeValidationError, APICallError } from '@ai-sdk/provider';
 
+declare function download({ url, fetchImplementation, }: {
+    url: URL;
+    fetchImplementation?: typeof fetch;
+}): Promise<{
+    data: Uint8Array;
+    mimeType: string | undefined;
+}>;
+
 /**
@@ -95,3 +103,7 @@ Extracts the headers from a response object and returns them as a key-value object.
 }): ParseResult<T>;
-declare function isParseableJson(input: string): boolean;
+declare function isParsableJson(input: string): boolean;
+/**
+@deprecated Use `isParsableJson` instead.
+ */
+declare const isParseableJson: typeof isParsableJson;
 
@@ -178,2 +190,2 @@ type ResponseHandler<RETURN_TYPE> = (options: {
 
-export { type ParseResult, type ResponseHandler, convertAsyncGeneratorToReadableStream, convertBase64ToUint8Array, convertUint8ArrayToBase64, createEventSourceResponseHandler, createJsonErrorResponseHandler, createJsonResponseHandler, extractResponseHeaders, generateId, getErrorMessage, isAbortError, isParseableJson, loadApiKey, loadSetting, parseJSON, postJsonToApi, postToApi, safeParseJSON, safeValidateTypes, validateTypes, withoutTrailingSlash };
+export { type ParseResult, type ResponseHandler, convertAsyncGeneratorToReadableStream, convertBase64ToUint8Array, convertUint8ArrayToBase64, createEventSourceResponseHandler, createJsonErrorResponseHandler, createJsonResponseHandler, download, extractResponseHeaders, generateId, getErrorMessage, isAbortError, isParsableJson, isParseableJson, loadApiKey, loadSetting, parseJSON, postJsonToApi, postToApi, safeParseJSON, safeValidateTypes, validateTypes, withoutTrailingSlash };

dist/index.js

@@ -39,2 +39,3 @@ "use strict";
   createJsonResponseHandler: () => createJsonResponseHandler,
+  download: () => download,
   extractResponseHeaders: () => extractResponseHeaders,
@@ -44,2 +45,3 @@ generateId: () => generateId,
   isAbortError: () => isAbortError,
+  isParsableJson: () => isParsableJson,
   isParseableJson: () => isParseableJson,
@@ -87,2 +89,31 @@ loadApiKey: () => loadApiKey,
 
+// src/download.ts
+var import_provider = require("@ai-sdk/provider");
+async function download({
+  url,
+  fetchImplementation = fetch
+}) {
+  var _a;
+  const urlText = url.toString();
+  try {
+    const response = await fetchImplementation(urlText);
+    if (!response.ok) {
+      throw new import_provider.DownloadError({
+        url: urlText,
+        statusCode: response.status,
+        statusText: response.statusText
+      });
+    }
+    return {
+      data: new Uint8Array(await response.arrayBuffer()),
+      mimeType: (_a = response.headers.get("content-type")) != null ? _a : void 0
+    };
+  } catch (error) {
+    if (import_provider.DownloadError.isDownloadError(error)) {
+      throw error;
+    }
+    throw new import_provider.DownloadError({ url: urlText, cause: error });
+  }
+}
+
 // src/extract-response-headers.ts
@@ -124,3 +155,3 @@ function extractResponseHeaders(response) {
 // src/load-api-key.ts
-var import_provider = require("@ai-sdk/provider");
+var import_provider2 = require("@ai-sdk/provider");
 function loadApiKey({
@@ -136,3 +167,3 @@ apiKey,
   if (apiKey != null) {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key must be a string.`
@@ -142,3 +173,3 @@ });
   if (typeof process === "undefined") {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter. Environment variables is not supported in this environment.`
@@ -149,3 +180,3 @@ });
   if (apiKey == null) {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter or the ${environmentVariableName} environment variable.`
@@ -155,3 +186,3 @@ });
   if (typeof apiKey !== "string") {
-    throw new import_provider.LoadAPIKeyError({
+    throw new import_provider2.LoadAPIKeyError({
       message: `${description} API key must be a string. The value of the ${environmentVariableName} environment variable is not a string.`
@@ -164,3 +195,3 @@ });
 // src/load-setting.ts
-var import_provider2 = require("@ai-sdk/provider");
+var import_provider3 = require("@ai-sdk/provider");
 function loadSetting({
@@ -176,3 +207,3 @@ settingValue,
   if (settingValue != null) {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting must be a string.`
@@ -182,3 +213,3 @@ });
   if (typeof process === "undefined") {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting is missing. Pass it using the '${settingName}' parameter. Environment variables is not supported in this environment.`
@@ -189,3 +220,3 @@ });
   if (settingValue == null) {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting is missing. Pass it using the '${settingName}' parameter or the ${environmentVariableName} environment variable.`
@@ -195,3 +226,3 @@ });
   if (typeof settingValue !== "string") {
-    throw new import_provider2.LoadSettingError({
+    throw new import_provider3.LoadSettingError({
       message: `${description} setting must be a string. The value of the ${environmentVariableName} environment variable is not a string.`
@@ -204,7 +235,7 @@ });
 // src/parse-json.ts
-var import_provider4 = require("@ai-sdk/provider");
+var import_provider5 = require("@ai-sdk/provider");
 var import_secure_json_parse = __toESM(require("secure-json-parse"));
 
 // src/validate-types.ts
-var import_provider3 = require("@ai-sdk/provider");
+var import_provider4 = require("@ai-sdk/provider");
 function validateTypes({
@@ -217,3 +248,3 @@ value,
   } catch (error) {
-    throw new import_provider3.TypeValidationError({ value, cause: error });
+    throw new import_provider4.TypeValidationError({ value, cause: error });
   }
@@ -235,3 +266,3 @@ }
       success: false,
-      error: new import_provider3.TypeValidationError({
+      error: new import_provider4.TypeValidationError({
         value,
@@ -244,3 +275,3 @@ cause: validationResult.error
       success: false,
-      error: import_provider3.TypeValidationError.isTypeValidationError(error) ? error : new import_provider3.TypeValidationError({ value, cause: error })
+      error: import_provider4.TypeValidationError.isTypeValidationError(error) ? error : new import_provider4.TypeValidationError({ value, cause: error })
     };
@@ -262,6 +293,6 @@ }
   } catch (error) {
-    if (import_provider4.JSONParseError.isJSONParseError(error) || import_provider4.TypeValidationError.isTypeValidationError(error)) {
+    if (import_provider5.JSONParseError.isJSONParseError(error) || import_provider5.TypeValidationError.isTypeValidationError(error)) {
       throw error;
     }
-    throw new import_provider4.JSONParseError({ text, cause: error });
+    throw new import_provider5.JSONParseError({ text, cause: error });
   }
@@ -285,7 +316,7 @@ }
       success: false,
-      error: import_provider4.JSONParseError.isJSONParseError(error) ? error : new import_provider4.JSONParseError({ text, cause: error })
+      error: import_provider5.JSONParseError.isJSONParseError(error) ? error : new import_provider5.JSONParseError({ text, cause: error })
     };
   }
 }
-function isParseableJson(input) {
+function isParsableJson(input) {
   try {
@@ -298,5 +329,6 @@ import_secure_json_parse.default.parse(input);
 }
+var isParseableJson = isParsableJson;
 
 // src/post-to-api.ts
-var import_provider5 = require("@ai-sdk/provider");
+var import_provider6 = require("@ai-sdk/provider");
 var postJsonToApi = async ({
@@ -351,6 +383,6 @@ url,
       } catch (error) {
-        if (isAbortError(error) || import_provider5.APICallError.isAPICallError(error)) {
+        if (isAbortError(error) || import_provider6.APICallError.isAPICallError(error)) {
           throw error;
         }
-        throw new import_provider5.APICallError({
+        throw new import_provider6.APICallError({
           message: "Failed to process error response",
@@ -374,7 +406,7 @@ cause: error,
       if (error instanceof Error) {
-        if (isAbortError(error) || import_provider5.APICallError.isAPICallError(error)) {
+        if (isAbortError(error) || import_provider6.APICallError.isAPICallError(error)) {
           throw error;
         }
       }
-      throw new import_provider5.APICallError({
+      throw new import_provider6.APICallError({
         message: "Failed to process successful response",
@@ -395,3 +427,3 @@ cause: error,
       if (cause != null) {
-        throw new import_provider5.APICallError({
+        throw new import_provider6.APICallError({
           message: `Cannot connect to API: ${cause.message}`,
@@ -411,3 +443,3 @@ cause,
 // src/response-handler.ts
-var import_provider6 = require("@ai-sdk/provider");
+var import_provider7 = require("@ai-sdk/provider");
 var import_stream = require("eventsource-parser/stream");
@@ -424,3 +456,3 @@ var createJsonErrorResponseHandler = ({
       responseHeaders,
-      value: new import_provider6.APICallError({
+      value: new import_provider7.APICallError({
         message: response.statusText,
@@ -443,3 +475,3 @@ url,
       responseHeaders,
-      value: new import_provider6.APICallError({
+      value: new import_provider7.APICallError({
         message: errorToMessage(parsedError),
@@ -458,3 +490,3 @@ url,
       responseHeaders,
-      value: new import_provider6.APICallError({
+      value: new import_provider7.APICallError({
         message: response.statusText,
@@ -474,3 +506,3 @@ url,
   if (response.body == null) {
-    throw new import_provider6.EmptyResponseBodyError({});
+    throw new import_provider7.EmptyResponseBodyError({});
   }
@@ -504,3 +536,3 @@ return {
   if (!parsedResult.success) {
-    throw new import_provider6.APICallError({
+    throw new import_provider7.APICallError({
       message: "Invalid JSON response",
@@ -547,2 +579,3 @@ cause: parsedResult.error,
   createJsonResponseHandler,
+  download,
   extractResponseHeaders,
@@ -552,2 +585,3 @@ generateId,
   isAbortError,
+  isParsableJson,
   isParseableJson,
@@ -554,0 +588,0 @@ loadApiKey,

dist/index.js.map

@@ -1,1 +0,1 @@
-{"version":3,"sources":["../src/index.ts","../src/convert-async-generator-to-readable-stream.ts","../src/extract-response-headers.ts","../src/generate-id.ts","../src/get-error-message.ts","../src/is-abort-error.ts","../src/load-api-key.ts","../src/load-setting.ts","../src/parse-json.ts","../src/validate-types.ts","../src/post-to-api.ts","../src/response-handler.ts","../src/uint8-utils.ts","../src/without-trailing-slash.ts"],"sourcesContent":["export * from './convert-async-generator-to-readable-stream';\nexport * from './extract-response-headers';\nexport * from './generate-id';\nexport * from './get-error-message';\nexport * from './is-abort-error';\nexport * from './load-api-key';\nexport * from './load-setting';\nexport * from './parse-json';\nexport * from './post-to-api';\nexport * from './response-handler';\nexport * from './uint8-utils';\nexport * from './validate-types';\nexport * from './without-trailing-slash';\n","/**\n * Converts an AsyncGenerator to a ReadableStream.\n *\n * @template T - The type of elements produced by the AsyncGenerator.\n * @param {AsyncGenerator<T>} stream - The AsyncGenerator to convert.\n * @returns {ReadableStream<T>} - A ReadableStream that provides the same data as the AsyncGenerator.\n */\nexport function convertAsyncGeneratorToReadableStream<T>(\n  stream: AsyncGenerator<T>,\n): ReadableStream<T> {\n  return new ReadableStream<T>({\n    /**\n     * Called when the consumer wants to pull more data from the stream.\n     *\n     * @param {ReadableStreamDefaultController<T>} controller - The controller to enqueue data into the stream.\n     * @returns {Promise<void>}\n     */\n    async pull(controller) {\n      try {\n        const { value, done } = await stream.next();\n        if (done) {\n          controller.close();\n        } else {\n          controller.enqueue(value);\n        }\n      } catch (error) {\n        controller.error(error);\n      }\n    },\n    /**\n     * Called when the consumer cancels the stream.\n     */\n    cancel() {},\n  });\n}\n","/**\nExtracts the headers from a response object and returns them as a key-value object.\n\n@param response - The response object to extract headers from.\n@returns The headers as a key-value object.\n*/\nexport function extractResponseHeaders(\n  response: Response,\n): Record<string, string> {\n  const headers: Record<string, string> = {};\n  response.headers.forEach((value, key) => {\n    headers[key] = value;\n  });\n  return headers;\n}\n","import { customAlphabet } from 'nanoid/non-secure';\n\n/**\n * Generates a 7-character random string to use for IDs. Not secure.\n */\nexport const generateId = customAlphabet(\n  '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',\n  7,\n);\n","export function getErrorMessage(error: unknown | undefined) {\n  if (error == null) {\n    return 'unknown error';\n  }\n\n  if (typeof error === 'string') {\n    return error;\n  }\n\n  if (error instanceof Error) {\n    return error.message;\n  }\n\n  return JSON.stringify(error);\n}\n","export function isAbortError(error: unknown): error is DOMException {\n  return (\n    error instanceof DOMException &&\n    (error.name === 'AbortError' || error.name === 'TimeoutError')\n  );\n}\n","import { LoadAPIKeyError } from '@ai-sdk/provider';\n\nexport function loadApiKey({\n  apiKey,\n  environmentVariableName,\n  apiKeyParameterName = 'apiKey',\n  description,\n}: {\n  apiKey: string | undefined;\n  environmentVariableName: string;\n  apiKeyParameterName?: string;\n  description: string;\n}): string {\n  if (typeof apiKey === 'string') {\n    return apiKey;\n  }\n\n  if (apiKey != null) {\n    throw new LoadAPIKeyError({\n      message: `${description} API key must be a string.`,\n    });\n  }\n\n  if (typeof process === 'undefined') {\n    throw new LoadAPIKeyError({\n      message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter. Environment variables is not supported in this environment.`,\n    });\n  }\n\n  apiKey = process.env[environmentVariableName];\n\n  if (apiKey == null) {\n    throw new LoadAPIKeyError({\n      message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter or the ${environmentVariableName} environment variable.`,\n    });\n  }\n\n  if (typeof apiKey !== 'string') {\n    throw new LoadAPIKeyError({\n      message: `${description} API key must be a string. The value of the ${environmentVariableName} environment variable is not a string.`,\n    });\n  }\n\n  return apiKey;\n}\n","import { LoadSettingError } from '@ai-sdk/provider';\n\nexport function loadSetting({\n  settingValue,\n  environmentVariableName,\n  settingName,\n  description,\n}: {\n  settingValue: string | undefined;\n  environmentVariableName: string;\n  settingName: string;\n  description: string;\n}): string {\n  if (typeof settingValue === 'string') {\n    return settingValue;\n  }\n\n  if (settingValue != null) {\n    throw new LoadSettingError({\n      message: `${description} setting must be a string.`,\n    });\n  }\n\n  if (typeof process === 'undefined') {\n    throw new LoadSettingError({\n      message: `${description} setting is missing. Pass it using the '${settingName}' parameter. Environment variables is not supported in this environment.`,\n    });\n  }\n\n  settingValue = process.env[environmentVariableName];\n\n  if (settingValue == null) {\n    throw new LoadSettingError({\n      message: `${description} setting is missing. Pass it using the '${settingName}' parameter or the ${environmentVariableName} environment variable.`,\n    });\n  }\n\n  if (typeof settingValue !== 'string') {\n    throw new LoadSettingError({\n      message: `${description} setting must be a string. The value of the ${environmentVariableName} environment variable is not a string.`,\n    });\n  }\n\n  return settingValue;\n}\n","import { JSONParseError, TypeValidationError } from '@ai-sdk/provider';\nimport SecureJSON from 'secure-json-parse';\nimport { ZodSchema } from 'zod';\nimport { safeValidateTypes, validateTypes } from './validate-types';\n\n/**\n * Parses a JSON string into an unknown object.\n *\n * @param text - The JSON string to parse.\n * @returns {unknown} - The parsed JSON object.\n */\nexport function parseJSON({ text }: { text: string }): unknown;\n/**\n * Parses a JSON string into a strongly-typed object using the provided schema.\n *\n * @template T - The type of the object to parse the JSON into.\n * @param {string} text - The JSON string to parse.\n * @param {Schema<T>} schema - The schema to use for parsing the JSON.\n * @returns {T} - The parsed object.\n */\nexport function parseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema: ZodSchema<T>;\n}): T;\nexport function parseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema?: ZodSchema<T>;\n}): T {\n  try {\n    const value = SecureJSON.parse(text);\n\n    if (schema == null) {\n      return value;\n    }\n\n    return validateTypes({ value, schema });\n  } catch (error) {\n    if (\n      JSONParseError.isJSONParseError(error) ||\n      TypeValidationError.isTypeValidationError(error)\n    ) {\n      throw error;\n    }\n\n    throw new JSONParseError({ text, cause: error });\n  }\n}\n\nexport type ParseResult<T> =\n  | { success: true; value: T }\n  | { success: false; error: JSONParseError | TypeValidationError };\n\n/**\n * Safely parses a JSON string and returns the result as an object of type `unknown`.\n *\n * @param text - The JSON string to parse.\n * @returns {object} Either an object with `success: true` and the parsed data, or an object with `success: false` and the error that occurred.\n */\nexport function safeParseJSON({ text }: { text: string }): ParseResult<unknown>;\n/**\n * Safely parses a JSON string into a strongly-typed object, using a provided schema to validate the object.\n *\n * @template T - The type of the object to parse the JSON into.\n * @param {string} text - The JSON string to parse.\n * @param {Schema<T>} schema - The schema to use for parsing the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema: ZodSchema<T>;\n}): ParseResult<T>;\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema?: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: JSONParseError | TypeValidationError } {\n  try {\n    const value = SecureJSON.parse(text);\n\n    if (schema == null) {\n      return {\n        success: true,\n        value: value as T,\n      };\n    }\n\n    return safeValidateTypes({ value, schema });\n  } catch (error) {\n    return {\n      success: false,\n      error: JSONParseError.isJSONParseError(error)\n        ? error\n        : new JSONParseError({ text, cause: error }),\n    };\n  }\n}\n\nexport function isParseableJson(input: string): boolean {\n  try {\n    SecureJSON.parse(input);\n    return true;\n  } catch {\n    return false;\n  }\n}\n","import { TypeValidationError } from '@ai-sdk/provider';\nimport { ZodSchema } from 'zod';\n\n/**\n * Validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns {T} - The typed object.\n */\nexport function validateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}): T {\n  try {\n    return schema.parse(value);\n  } catch (error) {\n    throw new TypeValidationError({ value, cause: error });\n  }\n}\n\n/**\n * Safely validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The JSON object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeValidateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: TypeValidationError } {\n  try {\n    const validationResult = schema.safeParse(value);\n\n    if (validationResult.success) {\n      return {\n        success: true,\n        value: validationResult.data,\n      };\n    }\n\n    return {\n      success: false,\n      error: new TypeValidationError({\n        value,\n        cause: validationResult.error,\n      }),\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: TypeValidationError.isTypeValidationError(error)\n        ? error\n        : new TypeValidationError({ value, cause: error }),\n    };\n  }\n}\n","import { APICallError } from '@ai-sdk/provider';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { isAbortError } from './is-abort-error';\nimport { ResponseHandler } from './response-handler';\n\nexport const postJsonToApi = async <T>({\n  url,\n  headers,\n  body,\n  failedResponseHandler,\n  successfulResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: unknown;\n  failedResponseHandler: ResponseHandler<APICallError>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) =>\n  postToApi({\n    url,\n    headers: {\n      ...headers,\n      'Content-Type': 'application/json',\n    },\n    body: {\n      content: JSON.stringify(body),\n      values: body,\n    },\n    failedResponseHandler,\n    successfulResponseHandler,\n    abortSignal,\n  });\n\nexport const postToApi = async <T>({\n  url,\n  headers = {},\n  body,\n  successfulResponseHandler,\n  failedResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: {\n    content: string | FormData | Uint8Array;\n    values: unknown;\n  };\n  failedResponseHandler: ResponseHandler<Error>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) => {\n  try {\n    // remove undefined headers:\n    const definedHeaders = Object.fromEntries(\n      Object.entries(headers).filter(([_key, value]) => value != null),\n    ) as Record<string, string>;\n\n    const response = await fetch(url, {\n      method: 'POST',\n      headers: definedHeaders,\n      body: body.content,\n      signal: abortSignal,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!response.ok) {\n      let errorInformation: {\n        value: Error;\n        responseHeaders?: Record<string, string> | undefined;\n      };\n\n      try {\n        errorInformation = await failedResponseHandler({\n          response,\n          url,\n          requestBodyValues: body.values,\n        });\n      } catch (error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n\n        throw new APICallError({\n          message: 'Failed to process error response',\n          cause: error,\n          statusCode: response.status,\n          url,\n          responseHeaders,\n          requestBodyValues: body.values,\n        });\n      }\n\n      throw errorInformation.value;\n    }\n\n    try {\n      return await successfulResponseHandler({\n        response,\n        url,\n        requestBodyValues: body.values,\n      });\n    } catch (error) {\n      if (error instanceof Error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n      }\n\n      throw new APICallError({\n        message: 'Failed to process successful response',\n        cause: error,\n        statusCode: response.status,\n        url,\n        responseHeaders,\n        requestBodyValues: body.values,\n      });\n    }\n  } catch (error) {\n    if (isAbortError(error)) {\n      throw error;\n    }\n\n    // unwrap original error when fetch failed (for easier debugging):\n    if (error instanceof TypeError && error.message === 'fetch failed') {\n      const cause = (error as any).cause;\n\n      if (cause != null) {\n        // Failed to connect to server:\n        throw new APICallError({\n          message: `Cannot connect to API: ${cause.message}`,\n          cause,\n          url,\n          requestBodyValues: body.values,\n          isRetryable: true, // retry when network error\n        });\n      }\n    }\n\n    throw error;\n  }\n};\n","import { APICallError, EmptyResponseBodyError } from '@ai-sdk/provider';\nimport {\n  EventSourceParserStream,\n  ParsedEvent,\n} from 'eventsource-parser/stream';\nimport { ZodSchema } from 'zod';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { ParseResult, parseJSON, safeParseJSON } from './parse-json';\n\nexport type ResponseHandler<RETURN_TYPE> = (options: {\n  url: string;\n  requestBodyValues: unknown;\n  response: Response;\n}) => PromiseLike<{\n  value: RETURN_TYPE;\n  responseHeaders?: Record<string, string>;\n}>;\n\nexport const createJsonErrorResponseHandler =\n  <T>({\n    errorSchema,\n    errorToMessage,\n    isRetryable,\n  }: {\n    errorSchema: ZodSchema<T>;\n    errorToMessage: (error: T) => string;\n    isRetryable?: (response: Response, error?: T) => boolean;\n  }): ResponseHandler<APICallError> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n    const responseHeaders = extractResponseHeaders(response);\n\n    // Some providers return an empty response body for some errors:\n    if (responseBody.trim() === '') {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n\n    // resilient parsing in case the response is not JSON or does not match the schema:\n    try {\n      const parsedError = parseJSON({\n        text: responseBody,\n        schema: errorSchema,\n      });\n\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: errorToMessage(parsedError),\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          data: parsedError,\n          isRetryable: isRetryable?.(response, parsedError),\n        }),\n      };\n    } catch (parseError) {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n  };\n\nexport const createEventSourceResponseHandler =\n  <T>(\n    chunkSchema: ZodSchema<T>,\n  ): ResponseHandler<ReadableStream<ParseResult<T>>> =>\n  async ({ response }: { response: Response }) => {\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (response.body == null) {\n      throw new EmptyResponseBodyError({});\n    }\n\n    return {\n      responseHeaders,\n      value: response.body\n        .pipeThrough(new TextDecoderStream())\n        .pipeThrough(new EventSourceParserStream())\n        .pipeThrough(\n          new TransformStream<ParsedEvent, ParseResult<T>>({\n            transform({ data }, controller) {\n              // ignore the 'DONE' event that e.g. OpenAI sends:\n              if (data === '[DONE]') {\n                return;\n              }\n\n              controller.enqueue(\n                safeParseJSON({\n                  text: data,\n                  schema: chunkSchema,\n                }),\n              );\n            },\n          }),\n        ),\n    };\n  };\n\nexport const createJsonResponseHandler =\n  <T>(responseSchema: ZodSchema<T>): ResponseHandler<T> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n\n    const parsedResult = safeParseJSON({\n      text: responseBody,\n      schema: responseSchema,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!parsedResult.success) {\n      throw new APICallError({\n        message: 'Invalid JSON response',\n        cause: parsedResult.error,\n        statusCode: response.status,\n        responseHeaders,\n        responseBody,\n        url,\n        requestBodyValues,\n      });\n    }\n\n    return {\n      responseHeaders,\n      value: parsedResult.value,\n    };\n  };\n","export function convertBase64ToUint8Array(base64String: string) {\n  const base64Url = base64String.replace(/-/g, '+').replace(/_/g, '/');\n  const latin1string = globalThis.atob(base64Url);\n  return Uint8Array.from(latin1string, byte => byte.codePointAt(0)!);\n}\n\nexport function convertUint8ArrayToBase64(array: Uint8Array): string {\n  let latin1string = '';\n\n  // Note: regular for loop to support older JavaScript versions that\n  // do not support for..of on Uint8Array\n  for (let i = 0; i < array.length; i++) {\n    latin1string += String.fromCodePoint(array[i]);\n  }\n\n  return globalThis.btoa(latin1string);\n}\n","export function withoutTrailingSlash(url: string | undefined) {\n  return url?.replace(/\\/$/, 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+{"version":3,"sources":["../src/index.ts","../src/convert-async-generator-to-readable-stream.ts","../src/download.ts","../src/extract-response-headers.ts","../src/generate-id.ts","../src/get-error-message.ts","../src/is-abort-error.ts","../src/load-api-key.ts","../src/load-setting.ts","../src/parse-json.ts","../src/validate-types.ts","../src/post-to-api.ts","../src/response-handler.ts","../src/uint8-utils.ts","../src/without-trailing-slash.ts"],"sourcesContent":["export * from './convert-async-generator-to-readable-stream';\nexport * from './download';\nexport * from './extract-response-headers';\nexport * from './generate-id';\nexport * from './get-error-message';\nexport * from './is-abort-error';\nexport * from './load-api-key';\nexport * from './load-setting';\nexport * from './parse-json';\nexport * from './post-to-api';\nexport * from './response-handler';\nexport * from './uint8-utils';\nexport * from './validate-types';\nexport * from './without-trailing-slash';\n","/**\n * Converts an AsyncGenerator to a ReadableStream.\n *\n * @template T - The type of elements produced by the AsyncGenerator.\n * @param {AsyncGenerator<T>} stream - The AsyncGenerator to convert.\n * @returns {ReadableStream<T>} - A ReadableStream that provides the same data as the AsyncGenerator.\n */\nexport function convertAsyncGeneratorToReadableStream<T>(\n  stream: AsyncGenerator<T>,\n): ReadableStream<T> {\n  return new ReadableStream<T>({\n    /**\n     * Called when the consumer wants to pull more data from the stream.\n     *\n     * @param {ReadableStreamDefaultController<T>} controller - The controller to enqueue data into the stream.\n     * @returns {Promise<void>}\n     */\n    async pull(controller) {\n      try {\n        const { value, done } = await stream.next();\n        if (done) {\n          controller.close();\n        } else {\n          controller.enqueue(value);\n        }\n      } catch (error) {\n        controller.error(error);\n      }\n    },\n    /**\n     * Called when the consumer cancels the stream.\n     */\n    cancel() {},\n  });\n}\n","import { DownloadError } from '@ai-sdk/provider';\n\nexport async function download({\n  url,\n  fetchImplementation = fetch,\n}: {\n  url: URL;\n  fetchImplementation?: typeof fetch;\n}): Promise<{\n  data: Uint8Array;\n  mimeType: string | undefined;\n}> {\n  const urlText = url.toString();\n  try {\n    const response = await fetchImplementation(urlText);\n\n    if (!response.ok) {\n      throw new DownloadError({\n        url: urlText,\n        statusCode: response.status,\n        statusText: response.statusText,\n      });\n    }\n\n    return {\n      data: new Uint8Array(await response.arrayBuffer()),\n      mimeType: response.headers.get('content-type') ?? undefined,\n    };\n  } catch (error) {\n    if (DownloadError.isDownloadError(error)) {\n      throw error;\n    }\n\n    throw new DownloadError({ url: urlText, cause: error });\n  }\n}\n","/**\nExtracts the headers from a response object and returns them as a key-value object.\n\n@param response - The response object to extract headers from.\n@returns The headers as a key-value object.\n*/\nexport function extractResponseHeaders(\n  response: Response,\n): Record<string, string> {\n  const headers: Record<string, string> = {};\n  response.headers.forEach((value, key) => {\n    headers[key] = value;\n  });\n  return headers;\n}\n","import { customAlphabet } from 'nanoid/non-secure';\n\n/**\n * Generates a 7-character random string to use for IDs. 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The value of the ${environmentVariableName} environment variable is not a string.`,\n    });\n  }\n\n  return settingValue;\n}\n","import { JSONParseError, TypeValidationError } from '@ai-sdk/provider';\nimport SecureJSON from 'secure-json-parse';\nimport { ZodSchema } from 'zod';\nimport { safeValidateTypes, validateTypes } from './validate-types';\n\n/**\n * Parses a JSON string into an unknown object.\n *\n * @param text - The JSON string to parse.\n * @returns {unknown} - The parsed JSON object.\n */\nexport function parseJSON({ text }: { text: string }): unknown;\n/**\n * Parses a JSON string into a strongly-typed object using the provided schema.\n *\n * @template T - The type of the object to parse the JSON into.\n * @param {string} text - The JSON string to parse.\n * @param {Schema<T>} schema - The schema to use for parsing the JSON.\n * @returns {T} - The parsed object.\n */\nexport function parseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema: ZodSchema<T>;\n}): T;\nexport function parseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema?: ZodSchema<T>;\n}): T {\n  try {\n    const value = SecureJSON.parse(text);\n\n    if (schema == null) {\n      return value;\n    }\n\n    return validateTypes({ value, schema });\n  } catch (error) {\n    if (\n      JSONParseError.isJSONParseError(error) ||\n      TypeValidationError.isTypeValidationError(error)\n    ) {\n      throw error;\n    }\n\n    throw new JSONParseError({ text, cause: error });\n  }\n}\n\nexport type ParseResult<T> =\n  | { success: true; value: T }\n  | { success: false; error: JSONParseError | TypeValidationError };\n\n/**\n * Safely parses a JSON string and returns the result as an object of type `unknown`.\n *\n * @param text - The JSON string to parse.\n * @returns {object} Either an object with `success: true` and the parsed data, or an object with `success: false` and the error that occurred.\n */\nexport function safeParseJSON({ text }: { text: string }): ParseResult<unknown>;\n/**\n * Safely parses a JSON string into a strongly-typed object, using a provided schema to validate the object.\n *\n * @template T - The type of the object to parse the JSON into.\n * @param {string} text - The JSON string to parse.\n * @param {Schema<T>} schema - The schema to use for parsing the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema: ZodSchema<T>;\n}): ParseResult<T>;\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema?: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: JSONParseError | TypeValidationError } {\n  try {\n    const value = SecureJSON.parse(text);\n\n    if (schema == null) {\n      return {\n        success: true,\n        value: value as T,\n      };\n    }\n\n    return safeValidateTypes({ value, schema });\n  } catch (error) {\n    return {\n      success: false,\n      error: JSONParseError.isJSONParseError(error)\n        ? error\n        : new JSONParseError({ text, cause: error }),\n    };\n  }\n}\n\nexport function isParsableJson(input: string): boolean {\n  try {\n    SecureJSON.parse(input);\n    return true;\n  } catch {\n    return false;\n  }\n}\n\n/**\n@deprecated Use `isParsableJson` instead.  \n */\nexport const isParseableJson = isParsableJson;\n","import { TypeValidationError } from '@ai-sdk/provider';\nimport { ZodSchema } from 'zod';\n\n/**\n * Validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns {T} - The typed object.\n */\nexport function validateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}): T {\n  try {\n    return schema.parse(value);\n  } catch (error) {\n    throw new TypeValidationError({ value, cause: error });\n  }\n}\n\n/**\n * Safely validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The JSON object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeValidateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: TypeValidationError } {\n  try {\n    const validationResult = schema.safeParse(value);\n\n    if (validationResult.success) {\n      return {\n        success: true,\n        value: validationResult.data,\n      };\n    }\n\n    return {\n      success: false,\n      error: new TypeValidationError({\n        value,\n        cause: validationResult.error,\n      }),\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: TypeValidationError.isTypeValidationError(error)\n        ? error\n        : new TypeValidationError({ value, cause: error }),\n    };\n  }\n}\n","import { APICallError } from '@ai-sdk/provider';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { isAbortError } from './is-abort-error';\nimport { ResponseHandler } from './response-handler';\n\nexport const postJsonToApi = async <T>({\n  url,\n  headers,\n  body,\n  failedResponseHandler,\n  successfulResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: unknown;\n  failedResponseHandler: ResponseHandler<APICallError>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) =>\n  postToApi({\n    url,\n    headers: {\n      ...headers,\n      'Content-Type': 'application/json',\n    },\n    body: {\n      content: JSON.stringify(body),\n      values: body,\n    },\n    failedResponseHandler,\n    successfulResponseHandler,\n    abortSignal,\n  });\n\nexport const postToApi = async <T>({\n  url,\n  headers = {},\n  body,\n  successfulResponseHandler,\n  failedResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: {\n    content: string | FormData | Uint8Array;\n    values: unknown;\n  };\n  failedResponseHandler: ResponseHandler<Error>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) => {\n  try {\n    // remove undefined headers:\n    const definedHeaders = Object.fromEntries(\n      Object.entries(headers).filter(([_key, value]) => value != null),\n    ) as Record<string, string>;\n\n    const response = await fetch(url, {\n      method: 'POST',\n      headers: definedHeaders,\n      body: body.content,\n      signal: abortSignal,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!response.ok) {\n      let errorInformation: {\n        value: Error;\n        responseHeaders?: Record<string, string> | undefined;\n      };\n\n      try {\n        errorInformation = await failedResponseHandler({\n          response,\n          url,\n          requestBodyValues: body.values,\n        });\n      } catch (error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n\n        throw new APICallError({\n          message: 'Failed to process error response',\n          cause: error,\n          statusCode: response.status,\n          url,\n          responseHeaders,\n          requestBodyValues: body.values,\n        });\n      }\n\n      throw errorInformation.value;\n    }\n\n    try {\n      return await successfulResponseHandler({\n        response,\n        url,\n        requestBodyValues: body.values,\n      });\n    } catch (error) {\n      if (error instanceof Error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n      }\n\n      throw new APICallError({\n        message: 'Failed to process successful response',\n        cause: error,\n        statusCode: response.status,\n        url,\n        responseHeaders,\n        requestBodyValues: body.values,\n      });\n    }\n  } catch (error) {\n    if (isAbortError(error)) {\n      throw error;\n    }\n\n    // unwrap original error when fetch failed (for easier debugging):\n    if (error instanceof TypeError && error.message === 'fetch failed') {\n      const cause = (error as any).cause;\n\n      if (cause != null) {\n        // Failed to connect to server:\n        throw new APICallError({\n          message: `Cannot connect to API: ${cause.message}`,\n          cause,\n          url,\n          requestBodyValues: body.values,\n          isRetryable: true, // retry when network error\n        });\n      }\n    }\n\n    throw error;\n  }\n};\n","import { APICallError, EmptyResponseBodyError } from '@ai-sdk/provider';\nimport {\n  EventSourceParserStream,\n  ParsedEvent,\n} from 'eventsource-parser/stream';\nimport { ZodSchema } from 'zod';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { ParseResult, parseJSON, safeParseJSON } from './parse-json';\n\nexport type ResponseHandler<RETURN_TYPE> = (options: {\n  url: string;\n  requestBodyValues: unknown;\n  response: Response;\n}) => PromiseLike<{\n  value: RETURN_TYPE;\n  responseHeaders?: Record<string, string>;\n}>;\n\nexport const createJsonErrorResponseHandler =\n  <T>({\n    errorSchema,\n    errorToMessage,\n    isRetryable,\n  }: {\n    errorSchema: ZodSchema<T>;\n    errorToMessage: (error: T) => string;\n    isRetryable?: (response: Response, error?: T) => boolean;\n  }): ResponseHandler<APICallError> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n    const responseHeaders = extractResponseHeaders(response);\n\n    // Some providers return an empty response body for some errors:\n    if (responseBody.trim() === '') {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n\n    // resilient parsing in case the response is not JSON or does not match the schema:\n    try {\n      const parsedError = parseJSON({\n        text: responseBody,\n        schema: errorSchema,\n      });\n\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: errorToMessage(parsedError),\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          data: parsedError,\n          isRetryable: isRetryable?.(response, parsedError),\n        }),\n      };\n    } catch (parseError) {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n  };\n\nexport const createEventSourceResponseHandler =\n  <T>(\n    chunkSchema: ZodSchema<T>,\n  ): ResponseHandler<ReadableStream<ParseResult<T>>> =>\n  async ({ response }: { response: Response }) => {\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (response.body == null) {\n      throw new EmptyResponseBodyError({});\n    }\n\n    return {\n      responseHeaders,\n      value: response.body\n        .pipeThrough(new TextDecoderStream())\n        .pipeThrough(new EventSourceParserStream())\n        .pipeThrough(\n          new TransformStream<ParsedEvent, ParseResult<T>>({\n            transform({ data }, controller) {\n              // ignore the 'DONE' event that e.g. OpenAI sends:\n              if (data === '[DONE]') {\n                return;\n              }\n\n              controller.enqueue(\n                safeParseJSON({\n                  text: data,\n                  schema: chunkSchema,\n                }),\n              );\n            },\n          }),\n        ),\n    };\n  };\n\nexport const createJsonResponseHandler =\n  <T>(responseSchema: ZodSchema<T>): ResponseHandler<T> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n\n    const parsedResult = safeParseJSON({\n      text: responseBody,\n      schema: responseSchema,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!parsedResult.success) {\n      throw new APICallError({\n        message: 'Invalid JSON response',\n        cause: parsedResult.error,\n        statusCode: response.status,\n        responseHeaders,\n        responseBody,\n        url,\n        requestBodyValues,\n      });\n    }\n\n    return {\n      responseHeaders,\n      value: parsedResult.value,\n    };\n  };\n","export function convertBase64ToUint8Array(base64String: string) {\n  const base64Url = base64String.replace(/-/g, '+').replace(/_/g, '/');\n  const latin1string = globalThis.atob(base64Url);\n  return Uint8Array.from(latin1string, byte => byte.codePointAt(0)!);\n}\n\nexport function convertUint8ArrayToBase64(array: Uint8Array): string {\n  let latin1string = '';\n\n  // Note: regular for loop to support older JavaScript versions that\n  // do not support for..of on Uint8Array\n  for (let i = 0; i < array.length; i++) {\n    latin1string 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dist/index.mjs

@@ -30,2 +30,31 @@ // src/convert-async-generator-to-readable-stream.ts
 
+// src/download.ts
+import { DownloadError } from "@ai-sdk/provider";
+async function download({
+  url,
+  fetchImplementation = fetch
+}) {
+  var _a;
+  const urlText = url.toString();
+  try {
+    const response = await fetchImplementation(urlText);
+    if (!response.ok) {
+      throw new DownloadError({
+        url: urlText,
+        statusCode: response.status,
+        statusText: response.statusText
+      });
+    }
+    return {
+      data: new Uint8Array(await response.arrayBuffer()),
+      mimeType: (_a = response.headers.get("content-type")) != null ? _a : void 0
+    };
+  } catch (error) {
+    if (DownloadError.isDownloadError(error)) {
+      throw error;
+    }
+    throw new DownloadError({ url: urlText, cause: error });
+  }
+}
+
 // src/extract-response-headers.ts
@@ -217,3 +246,3 @@ function extractResponseHeaders(response) {
 }
-function isParseableJson(input) {
+function isParsableJson(input) {
   try {
@@ -226,2 +255,3 @@ SecureJSON.parse(input);
 }
+var isParseableJson = isParsableJson;
 
@@ -467,2 +497,3 @@ // src/post-to-api.ts
   createJsonResponseHandler,
+  download,
   extractResponseHeaders,
@@ -472,2 +503,3 @@ generateId,
   isAbortError,
+  isParsableJson,
   isParseableJson,
@@ -474,0 +506,0 @@ loadApiKey,

dist/index.mjs.map

@@ -1,1 +0,1 @@
-{"version":3,"sources":["../src/convert-async-generator-to-readable-stream.ts","../src/extract-response-headers.ts","../src/generate-id.ts","../src/get-error-message.ts","../src/is-abort-error.ts","../src/load-api-key.ts","../src/load-setting.ts","../src/parse-json.ts","../src/validate-types.ts","../src/post-to-api.ts","../src/response-handler.ts","../src/uint8-utils.ts","../src/without-trailing-slash.ts"],"sourcesContent":["/**\n * Converts an AsyncGenerator to a ReadableStream.\n *\n * @template T - The type of elements produced by the AsyncGenerator.\n * @param {AsyncGenerator<T>} stream - The AsyncGenerator to convert.\n * @returns {ReadableStream<T>} - A ReadableStream that provides the same data as the AsyncGenerator.\n */\nexport function convertAsyncGeneratorToReadableStream<T>(\n  stream: AsyncGenerator<T>,\n): ReadableStream<T> {\n  return new ReadableStream<T>({\n    /**\n     * Called when the consumer wants to pull more data from the stream.\n     *\n     * @param {ReadableStreamDefaultController<T>} controller - The controller to enqueue data into the stream.\n     * @returns {Promise<void>}\n     */\n    async pull(controller) {\n      try {\n        const { value, done } = await stream.next();\n        if (done) {\n          controller.close();\n        } else {\n          controller.enqueue(value);\n        }\n      } catch (error) {\n        controller.error(error);\n      }\n    },\n    /**\n     * Called when the consumer cancels the stream.\n     */\n    cancel() {},\n  });\n}\n","/**\nExtracts the headers from a response object and returns them as a key-value object.\n\n@param response - The response object to extract headers from.\n@returns The headers as a key-value object.\n*/\nexport function extractResponseHeaders(\n  response: Response,\n): Record<string, string> {\n  const headers: Record<string, string> = {};\n  response.headers.forEach((value, key) => {\n    headers[key] = value;\n  });\n  return headers;\n}\n","import { customAlphabet } from 'nanoid/non-secure';\n\n/**\n * Generates a 7-character random string to use for IDs. Not secure.\n */\nexport const generateId = customAlphabet(\n  '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',\n  7,\n);\n","export function getErrorMessage(error: unknown | undefined) {\n  if (error == null) {\n    return 'unknown error';\n  }\n\n  if (typeof error === 'string') {\n    return error;\n  }\n\n  if (error instanceof Error) {\n    return error.message;\n  }\n\n  return JSON.stringify(error);\n}\n","export function isAbortError(error: unknown): error is DOMException {\n  return (\n    error instanceof DOMException &&\n    (error.name === 'AbortError' || error.name === 'TimeoutError')\n  );\n}\n","import { LoadAPIKeyError } from '@ai-sdk/provider';\n\nexport function loadApiKey({\n  apiKey,\n  environmentVariableName,\n  apiKeyParameterName = 'apiKey',\n  description,\n}: {\n  apiKey: string | undefined;\n  environmentVariableName: string;\n  apiKeyParameterName?: string;\n  description: string;\n}): string {\n  if (typeof apiKey === 'string') {\n    return apiKey;\n  }\n\n  if (apiKey != null) {\n    throw new LoadAPIKeyError({\n      message: `${description} API key must be a string.`,\n    });\n  }\n\n  if (typeof process === 'undefined') {\n    throw new LoadAPIKeyError({\n      message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter. Environment variables is not supported in this environment.`,\n    });\n  }\n\n  apiKey = process.env[environmentVariableName];\n\n  if (apiKey == null) {\n    throw new LoadAPIKeyError({\n      message: `${description} API key is missing. Pass it using the '${apiKeyParameterName}' parameter or the ${environmentVariableName} environment variable.`,\n    });\n  }\n\n  if (typeof apiKey !== 'string') {\n    throw new LoadAPIKeyError({\n      message: `${description} API key must be a string. The value of the ${environmentVariableName} environment variable is not a string.`,\n    });\n  }\n\n  return apiKey;\n}\n","import { LoadSettingError } from '@ai-sdk/provider';\n\nexport function loadSetting({\n  settingValue,\n  environmentVariableName,\n  settingName,\n  description,\n}: {\n  settingValue: string | undefined;\n  environmentVariableName: string;\n  settingName: string;\n  description: string;\n}): string {\n  if (typeof settingValue === 'string') {\n    return settingValue;\n  }\n\n  if (settingValue != null) {\n    throw new LoadSettingError({\n      message: `${description} setting must be a string.`,\n    });\n  }\n\n  if (typeof process === 'undefined') {\n    throw new LoadSettingError({\n      message: `${description} setting is missing. Pass it using the '${settingName}' parameter. Environment variables is not supported in this environment.`,\n    });\n  }\n\n  settingValue = process.env[environmentVariableName];\n\n  if (settingValue == null) {\n    throw new LoadSettingError({\n      message: `${description} setting is missing. Pass it using the '${settingName}' parameter or the ${environmentVariableName} environment variable.`,\n    });\n  }\n\n  if (typeof settingValue !== 'string') {\n    throw new LoadSettingError({\n      message: `${description} setting must be a string. The value of the ${environmentVariableName} environment variable is not a string.`,\n    });\n  }\n\n  return settingValue;\n}\n","import { JSONParseError, TypeValidationError } from '@ai-sdk/provider';\nimport SecureJSON from 'secure-json-parse';\nimport { ZodSchema } from 'zod';\nimport { safeValidateTypes, validateTypes } from './validate-types';\n\n/**\n * Parses a JSON string into an unknown object.\n *\n * @param text - The JSON string to parse.\n * @returns {unknown} - The parsed JSON object.\n */\nexport function parseJSON({ text }: { text: string }): unknown;\n/**\n * Parses a JSON string into a strongly-typed object using the provided schema.\n *\n * @template T - The type of the object to parse the JSON into.\n * @param {string} text - The JSON string to parse.\n * @param {Schema<T>} schema - The schema to use for parsing the JSON.\n * @returns {T} - The parsed object.\n */\nexport function parseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema: ZodSchema<T>;\n}): T;\nexport function parseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema?: ZodSchema<T>;\n}): T {\n  try {\n    const value = SecureJSON.parse(text);\n\n    if (schema == null) {\n      return value;\n    }\n\n    return validateTypes({ value, schema });\n  } catch (error) {\n    if (\n      JSONParseError.isJSONParseError(error) ||\n      TypeValidationError.isTypeValidationError(error)\n    ) {\n      throw error;\n    }\n\n    throw new JSONParseError({ text, cause: error });\n  }\n}\n\nexport type ParseResult<T> =\n  | { success: true; value: T }\n  | { success: false; error: JSONParseError | TypeValidationError };\n\n/**\n * Safely parses a JSON string and returns the result as an object of type `unknown`.\n *\n * @param text - The JSON string to parse.\n * @returns {object} Either an object with `success: true` and the parsed data, or an object with `success: false` and the error that occurred.\n */\nexport function safeParseJSON({ text }: { text: string }): ParseResult<unknown>;\n/**\n * Safely parses a JSON string into a strongly-typed object, using a provided schema to validate the object.\n *\n * @template T - The type of the object to parse the JSON into.\n * @param {string} text - The JSON string to parse.\n * @param {Schema<T>} schema - The schema to use for parsing the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema: ZodSchema<T>;\n}): ParseResult<T>;\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema?: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: JSONParseError | TypeValidationError } {\n  try {\n    const value = SecureJSON.parse(text);\n\n    if (schema == null) {\n      return {\n        success: true,\n        value: value as T,\n      };\n    }\n\n    return safeValidateTypes({ value, schema });\n  } catch (error) {\n    return {\n      success: false,\n      error: JSONParseError.isJSONParseError(error)\n        ? error\n        : new JSONParseError({ text, cause: error }),\n    };\n  }\n}\n\nexport function isParseableJson(input: string): boolean {\n  try {\n    SecureJSON.parse(input);\n    return true;\n  } catch {\n    return false;\n  }\n}\n","import { TypeValidationError } from '@ai-sdk/provider';\nimport { ZodSchema } from 'zod';\n\n/**\n * Validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns {T} - The typed object.\n */\nexport function validateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}): T {\n  try {\n    return schema.parse(value);\n  } catch (error) {\n    throw new TypeValidationError({ value, cause: error });\n  }\n}\n\n/**\n * Safely validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The JSON object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeValidateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: TypeValidationError } {\n  try {\n    const validationResult = schema.safeParse(value);\n\n    if (validationResult.success) {\n      return {\n        success: true,\n        value: validationResult.data,\n      };\n    }\n\n    return {\n      success: false,\n      error: new TypeValidationError({\n        value,\n        cause: validationResult.error,\n      }),\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: TypeValidationError.isTypeValidationError(error)\n        ? error\n        : new TypeValidationError({ value, cause: error }),\n    };\n  }\n}\n","import { APICallError } from '@ai-sdk/provider';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { isAbortError } from './is-abort-error';\nimport { ResponseHandler } from './response-handler';\n\nexport const postJsonToApi = async <T>({\n  url,\n  headers,\n  body,\n  failedResponseHandler,\n  successfulResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: unknown;\n  failedResponseHandler: ResponseHandler<APICallError>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) =>\n  postToApi({\n    url,\n    headers: {\n      ...headers,\n      'Content-Type': 'application/json',\n    },\n    body: {\n      content: JSON.stringify(body),\n      values: body,\n    },\n    failedResponseHandler,\n    successfulResponseHandler,\n    abortSignal,\n  });\n\nexport const postToApi = async <T>({\n  url,\n  headers = {},\n  body,\n  successfulResponseHandler,\n  failedResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: {\n    content: string | FormData | Uint8Array;\n    values: unknown;\n  };\n  failedResponseHandler: ResponseHandler<Error>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) => {\n  try {\n    // remove undefined headers:\n    const definedHeaders = Object.fromEntries(\n      Object.entries(headers).filter(([_key, value]) => value != null),\n    ) as Record<string, string>;\n\n    const response = await fetch(url, {\n      method: 'POST',\n      headers: definedHeaders,\n      body: body.content,\n      signal: abortSignal,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!response.ok) {\n      let errorInformation: {\n        value: Error;\n        responseHeaders?: Record<string, string> | undefined;\n      };\n\n      try {\n        errorInformation = await failedResponseHandler({\n          response,\n          url,\n          requestBodyValues: body.values,\n        });\n      } catch (error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n\n        throw new APICallError({\n          message: 'Failed to process error response',\n          cause: error,\n          statusCode: response.status,\n          url,\n          responseHeaders,\n          requestBodyValues: body.values,\n        });\n      }\n\n      throw errorInformation.value;\n    }\n\n    try {\n      return await successfulResponseHandler({\n        response,\n        url,\n        requestBodyValues: body.values,\n      });\n    } catch (error) {\n      if (error instanceof Error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n      }\n\n      throw new APICallError({\n        message: 'Failed to process successful response',\n        cause: error,\n        statusCode: response.status,\n        url,\n        responseHeaders,\n        requestBodyValues: body.values,\n      });\n    }\n  } catch (error) {\n    if (isAbortError(error)) {\n      throw error;\n    }\n\n    // unwrap original error when fetch failed (for easier debugging):\n    if (error instanceof TypeError && error.message === 'fetch failed') {\n      const cause = (error as any).cause;\n\n      if (cause != null) {\n        // Failed to connect to server:\n        throw new APICallError({\n          message: `Cannot connect to API: ${cause.message}`,\n          cause,\n          url,\n          requestBodyValues: body.values,\n          isRetryable: true, // retry when network error\n        });\n      }\n    }\n\n    throw error;\n  }\n};\n","import { APICallError, EmptyResponseBodyError } from '@ai-sdk/provider';\nimport {\n  EventSourceParserStream,\n  ParsedEvent,\n} from 'eventsource-parser/stream';\nimport { ZodSchema } from 'zod';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { ParseResult, parseJSON, safeParseJSON } from './parse-json';\n\nexport type ResponseHandler<RETURN_TYPE> = (options: {\n  url: string;\n  requestBodyValues: unknown;\n  response: Response;\n}) => PromiseLike<{\n  value: RETURN_TYPE;\n  responseHeaders?: Record<string, string>;\n}>;\n\nexport const createJsonErrorResponseHandler =\n  <T>({\n    errorSchema,\n    errorToMessage,\n    isRetryable,\n  }: {\n    errorSchema: ZodSchema<T>;\n    errorToMessage: (error: T) => string;\n    isRetryable?: (response: Response, error?: T) => boolean;\n  }): ResponseHandler<APICallError> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n    const responseHeaders = extractResponseHeaders(response);\n\n    // Some providers return an empty response body for some errors:\n    if (responseBody.trim() === '') {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n\n    // resilient parsing in case the response is not JSON or does not match the schema:\n    try {\n      const parsedError = parseJSON({\n        text: responseBody,\n        schema: errorSchema,\n      });\n\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: errorToMessage(parsedError),\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          data: parsedError,\n          isRetryable: isRetryable?.(response, parsedError),\n        }),\n      };\n    } catch (parseError) {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n  };\n\nexport const createEventSourceResponseHandler =\n  <T>(\n    chunkSchema: ZodSchema<T>,\n  ): ResponseHandler<ReadableStream<ParseResult<T>>> =>\n  async ({ response }: { response: Response }) => {\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (response.body == null) {\n      throw new EmptyResponseBodyError({});\n    }\n\n    return {\n      responseHeaders,\n      value: response.body\n        .pipeThrough(new TextDecoderStream())\n        .pipeThrough(new EventSourceParserStream())\n        .pipeThrough(\n          new TransformStream<ParsedEvent, ParseResult<T>>({\n            transform({ data }, controller) {\n              // ignore the 'DONE' event that e.g. OpenAI sends:\n              if (data === '[DONE]') {\n                return;\n              }\n\n              controller.enqueue(\n                safeParseJSON({\n                  text: data,\n                  schema: chunkSchema,\n                }),\n              );\n            },\n          }),\n        ),\n    };\n  };\n\nexport const createJsonResponseHandler =\n  <T>(responseSchema: ZodSchema<T>): ResponseHandler<T> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n\n    const parsedResult = safeParseJSON({\n      text: responseBody,\n      schema: responseSchema,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!parsedResult.success) {\n      throw new APICallError({\n        message: 'Invalid JSON response',\n        cause: parsedResult.error,\n        statusCode: response.status,\n        responseHeaders,\n        responseBody,\n        url,\n        requestBodyValues,\n      });\n    }\n\n    return {\n      responseHeaders,\n      value: parsedResult.value,\n    };\n  };\n","export function convertBase64ToUint8Array(base64String: string) {\n  const base64Url = base64String.replace(/-/g, '+').replace(/_/g, '/');\n  const latin1string = globalThis.atob(base64Url);\n  return Uint8Array.from(latin1string, byte => byte.codePointAt(0)!);\n}\n\nexport function convertUint8ArrayToBase64(array: Uint8Array): string {\n  let latin1string = '';\n\n  // Note: regular for loop to support older JavaScript versions that\n  // do not support for..of on Uint8Array\n  for (let i = 0; i < array.length; i++) {\n    latin1string += String.fromCodePoint(array[i]);\n  }\n\n  return globalThis.btoa(latin1string);\n}\n","export function withoutTrailingSlash(url: string | 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+{"version":3,"sources":["../src/convert-async-generator-to-readable-stream.ts","../src/download.ts","../src/extract-response-headers.ts","../src/generate-id.ts","../src/get-error-message.ts","../src/is-abort-error.ts","../src/load-api-key.ts","../src/load-setting.ts","../src/parse-json.ts","../src/validate-types.ts","../src/post-to-api.ts","../src/response-handler.ts","../src/uint8-utils.ts","../src/without-trailing-slash.ts"],"sourcesContent":["/**\n * Converts an AsyncGenerator to a ReadableStream.\n *\n * @template T - The type of elements produced by the AsyncGenerator.\n * @param {AsyncGenerator<T>} stream - The AsyncGenerator to convert.\n * @returns {ReadableStream<T>} - A ReadableStream that provides the same data as the AsyncGenerator.\n */\nexport function convertAsyncGeneratorToReadableStream<T>(\n  stream: AsyncGenerator<T>,\n): ReadableStream<T> {\n  return new ReadableStream<T>({\n    /**\n     * Called when the consumer wants to pull more data from the stream.\n     *\n     * @param {ReadableStreamDefaultController<T>} controller - The controller to enqueue data into the stream.\n     * @returns {Promise<void>}\n     */\n    async pull(controller) {\n      try {\n        const { value, done } = await stream.next();\n        if (done) {\n          controller.close();\n        } else {\n          controller.enqueue(value);\n        }\n      } catch (error) {\n        controller.error(error);\n      }\n    },\n    /**\n     * Called when the consumer cancels the stream.\n     */\n    cancel() {},\n  });\n}\n","import { DownloadError } from '@ai-sdk/provider';\n\nexport async function download({\n  url,\n  fetchImplementation = fetch,\n}: {\n  url: URL;\n  fetchImplementation?: typeof fetch;\n}): Promise<{\n  data: Uint8Array;\n  mimeType: string | undefined;\n}> {\n  const urlText = url.toString();\n  try {\n    const response = await fetchImplementation(urlText);\n\n    if (!response.ok) {\n      throw new DownloadError({\n        url: urlText,\n        statusCode: response.status,\n        statusText: response.statusText,\n      });\n    }\n\n    return {\n      data: new Uint8Array(await response.arrayBuffer()),\n      mimeType: response.headers.get('content-type') ?? undefined,\n    };\n  } catch (error) {\n    if (DownloadError.isDownloadError(error)) {\n      throw error;\n    }\n\n    throw new DownloadError({ url: urlText, cause: error });\n  }\n}\n","/**\nExtracts the headers from a response object and returns them as a key-value object.\n\n@param response - The response object to extract headers from.\n@returns The headers as a key-value object.\n*/\nexport function extractResponseHeaders(\n  response: Response,\n): Record<string, string> {\n  const headers: Record<string, string> = {};\n  response.headers.forEach((value, key) => {\n    headers[key] = value;\n  });\n  return headers;\n}\n","import { customAlphabet } from 'nanoid/non-secure';\n\n/**\n * Generates a 7-character random string to use for IDs. Not secure.\n */\nexport const generateId = customAlphabet(\n  '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz',\n  7,\n);\n","export function getErrorMessage(error: unknown | undefined) {\n  if (error == null) {\n    return 'unknown error';\n  }\n\n  if (typeof error === 'string') {\n    return error;\n  }\n\n  if (error instanceof Error) {\n    return error.message;\n  }\n\n  return JSON.stringify(error);\n}\n","export function isAbortError(error: unknown): error is DOMException {\n  return (\n    error instanceof DOMException &&\n    (error.name === 'AbortError' || error.name === 'TimeoutError')\n  );\n}\n","import { LoadAPIKeyError } from '@ai-sdk/provider';\n\nexport function loadApiKey({\n  apiKey,\n  environmentVariableName,\n  apiKeyParameterName = 'apiKey',\n  description,\n}: {\n  apiKey: string | undefined;\n  environmentVariableName: string;\n  apiKeyParameterName?: string;\n  description: string;\n}): string {\n  if (typeof apiKey === 'string') {\n    return apiKey;\n  }\n\n  if (apiKey != null) {\n    throw new LoadAPIKeyError({\n      message: `${description} API key must be a string.`,\n    });\n  }\n\n  if (typeof process === 'undefined') {\n    throw new LoadAPIKeyError({\n      message: `${description} API key is missing. 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The value of the ${environmentVariableName} environment variable is not a string.`,\n    });\n  }\n\n  return apiKey;\n}\n","import { LoadSettingError } from '@ai-sdk/provider';\n\nexport function loadSetting({\n  settingValue,\n  environmentVariableName,\n  settingName,\n  description,\n}: {\n  settingValue: string | undefined;\n  environmentVariableName: string;\n  settingName: string;\n  description: string;\n}): string {\n  if (typeof settingValue === 'string') {\n    return settingValue;\n  }\n\n  if (settingValue != null) {\n    throw new LoadSettingError({\n      message: `${description} setting must be a string.`,\n    });\n  }\n\n  if (typeof process === 'undefined') {\n    throw new LoadSettingError({\n      message: `${description} setting is missing. Pass it using the '${settingName}' parameter. Environment variables is not supported in this environment.`,\n    });\n  }\n\n  settingValue = process.env[environmentVariableName];\n\n  if (settingValue == null) {\n    throw new LoadSettingError({\n      message: `${description} setting is missing. Pass it using the '${settingName}' parameter or the ${environmentVariableName} environment variable.`,\n    });\n  }\n\n  if (typeof settingValue !== 'string') {\n    throw new LoadSettingError({\n      message: `${description} setting must be a string. 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text: string }): ParseResult<unknown>;\n/**\n * Safely parses a JSON string into a strongly-typed object, using a provided schema to validate the object.\n *\n * @template T - The type of the object to parse the JSON into.\n * @param {string} text - The JSON string to parse.\n * @param {Schema<T>} schema - The schema to use for parsing the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema: ZodSchema<T>;\n}): ParseResult<T>;\nexport function safeParseJSON<T>({\n  text,\n  schema,\n}: {\n  text: string;\n  schema?: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: JSONParseError | TypeValidationError } {\n  try {\n    const value = SecureJSON.parse(text);\n\n    if (schema == null) {\n      return {\n        success: true,\n        value: value as T,\n      };\n    }\n\n    return safeValidateTypes({ value, schema });\n  } catch (error) {\n    return {\n      success: false,\n      error: JSONParseError.isJSONParseError(error)\n        ? error\n        : new JSONParseError({ text, cause: error }),\n    };\n  }\n}\n\nexport function isParsableJson(input: string): boolean {\n  try {\n    SecureJSON.parse(input);\n    return true;\n  } catch {\n    return false;\n  }\n}\n\n/**\n@deprecated Use `isParsableJson` instead.  \n */\nexport const isParseableJson = isParsableJson;\n","import { TypeValidationError } from '@ai-sdk/provider';\nimport { ZodSchema } from 'zod';\n\n/**\n * Validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns {T} - The typed object.\n */\nexport function validateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}): T {\n  try {\n    return schema.parse(value);\n  } catch (error) {\n    throw new TypeValidationError({ value, cause: error });\n  }\n}\n\n/**\n * Safely validates the types of an unknown object using a schema and\n * return a strongly-typed object.\n *\n * @template T - The type of the object to validate.\n * @param {string} options.value - The JSON object to validate.\n * @param {Schema<T>} options.schema - The schema to use for validating the JSON.\n * @returns An object with either a `success` flag and the parsed and typed data, or a `success` flag and an error object.\n */\nexport function safeValidateTypes<T>({\n  value,\n  schema,\n}: {\n  value: unknown;\n  schema: ZodSchema<T>;\n}):\n  | { success: true; value: T }\n  | { success: false; error: TypeValidationError } {\n  try {\n    const validationResult = schema.safeParse(value);\n\n    if (validationResult.success) {\n      return {\n        success: true,\n        value: validationResult.data,\n      };\n    }\n\n    return {\n      success: false,\n      error: new TypeValidationError({\n        value,\n        cause: validationResult.error,\n      }),\n    };\n  } catch (error) {\n    return {\n      success: false,\n      error: TypeValidationError.isTypeValidationError(error)\n        ? error\n        : new TypeValidationError({ value, cause: error }),\n    };\n  }\n}\n","import { APICallError } from '@ai-sdk/provider';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { isAbortError } from './is-abort-error';\nimport { ResponseHandler } from './response-handler';\n\nexport const postJsonToApi = async <T>({\n  url,\n  headers,\n  body,\n  failedResponseHandler,\n  successfulResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: unknown;\n  failedResponseHandler: ResponseHandler<APICallError>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) =>\n  postToApi({\n    url,\n    headers: {\n      ...headers,\n      'Content-Type': 'application/json',\n    },\n    body: {\n      content: JSON.stringify(body),\n      values: body,\n    },\n    failedResponseHandler,\n    successfulResponseHandler,\n    abortSignal,\n  });\n\nexport const postToApi = async <T>({\n  url,\n  headers = {},\n  body,\n  successfulResponseHandler,\n  failedResponseHandler,\n  abortSignal,\n}: {\n  url: string;\n  headers?: Record<string, string | undefined>;\n  body: {\n    content: string | FormData | Uint8Array;\n    values: unknown;\n  };\n  failedResponseHandler: ResponseHandler<Error>;\n  successfulResponseHandler: ResponseHandler<T>;\n  abortSignal?: AbortSignal;\n}) => {\n  try {\n    // remove undefined headers:\n    const definedHeaders = Object.fromEntries(\n      Object.entries(headers).filter(([_key, value]) => value != null),\n    ) as Record<string, string>;\n\n    const response = await fetch(url, {\n      method: 'POST',\n      headers: definedHeaders,\n      body: body.content,\n      signal: abortSignal,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!response.ok) {\n      let errorInformation: {\n        value: Error;\n        responseHeaders?: Record<string, string> | undefined;\n      };\n\n      try {\n        errorInformation = await failedResponseHandler({\n          response,\n          url,\n          requestBodyValues: body.values,\n        });\n      } catch (error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n\n        throw new APICallError({\n          message: 'Failed to process error response',\n          cause: error,\n          statusCode: response.status,\n          url,\n          responseHeaders,\n          requestBodyValues: body.values,\n        });\n      }\n\n      throw errorInformation.value;\n    }\n\n    try {\n      return await successfulResponseHandler({\n        response,\n        url,\n        requestBodyValues: body.values,\n      });\n    } catch (error) {\n      if (error instanceof Error) {\n        if (isAbortError(error) || APICallError.isAPICallError(error)) {\n          throw error;\n        }\n      }\n\n      throw new APICallError({\n        message: 'Failed to process successful response',\n        cause: error,\n        statusCode: response.status,\n        url,\n        responseHeaders,\n        requestBodyValues: body.values,\n      });\n    }\n  } catch (error) {\n    if (isAbortError(error)) {\n      throw error;\n    }\n\n    // unwrap original error when fetch failed (for easier debugging):\n    if (error instanceof TypeError && error.message === 'fetch failed') {\n      const cause = (error as any).cause;\n\n      if (cause != null) {\n        // Failed to connect to server:\n        throw new APICallError({\n          message: `Cannot connect to API: ${cause.message}`,\n          cause,\n          url,\n          requestBodyValues: body.values,\n          isRetryable: true, // retry when network error\n        });\n      }\n    }\n\n    throw error;\n  }\n};\n","import { APICallError, EmptyResponseBodyError } from '@ai-sdk/provider';\nimport {\n  EventSourceParserStream,\n  ParsedEvent,\n} from 'eventsource-parser/stream';\nimport { ZodSchema } from 'zod';\nimport { extractResponseHeaders } from './extract-response-headers';\nimport { ParseResult, parseJSON, safeParseJSON } from './parse-json';\n\nexport type ResponseHandler<RETURN_TYPE> = (options: {\n  url: string;\n  requestBodyValues: unknown;\n  response: Response;\n}) => PromiseLike<{\n  value: RETURN_TYPE;\n  responseHeaders?: Record<string, string>;\n}>;\n\nexport const createJsonErrorResponseHandler =\n  <T>({\n    errorSchema,\n    errorToMessage,\n    isRetryable,\n  }: {\n    errorSchema: ZodSchema<T>;\n    errorToMessage: (error: T) => string;\n    isRetryable?: (response: Response, error?: T) => boolean;\n  }): ResponseHandler<APICallError> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n    const responseHeaders = extractResponseHeaders(response);\n\n    // Some providers return an empty response body for some errors:\n    if (responseBody.trim() === '') {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n\n    // resilient parsing in case the response is not JSON or does not match the schema:\n    try {\n      const parsedError = parseJSON({\n        text: responseBody,\n        schema: errorSchema,\n      });\n\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: errorToMessage(parsedError),\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          data: parsedError,\n          isRetryable: isRetryable?.(response, parsedError),\n        }),\n      };\n    } catch (parseError) {\n      return {\n        responseHeaders,\n        value: new APICallError({\n          message: response.statusText,\n          url,\n          requestBodyValues,\n          statusCode: response.status,\n          responseHeaders,\n          responseBody,\n          isRetryable: isRetryable?.(response),\n        }),\n      };\n    }\n  };\n\nexport const createEventSourceResponseHandler =\n  <T>(\n    chunkSchema: ZodSchema<T>,\n  ): ResponseHandler<ReadableStream<ParseResult<T>>> =>\n  async ({ response }: { response: Response }) => {\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (response.body == null) {\n      throw new EmptyResponseBodyError({});\n    }\n\n    return {\n      responseHeaders,\n      value: response.body\n        .pipeThrough(new TextDecoderStream())\n        .pipeThrough(new EventSourceParserStream())\n        .pipeThrough(\n          new TransformStream<ParsedEvent, ParseResult<T>>({\n            transform({ data }, controller) {\n              // ignore the 'DONE' event that e.g. OpenAI sends:\n              if (data === '[DONE]') {\n                return;\n              }\n\n              controller.enqueue(\n                safeParseJSON({\n                  text: data,\n                  schema: chunkSchema,\n                }),\n              );\n            },\n          }),\n        ),\n    };\n  };\n\nexport const createJsonResponseHandler =\n  <T>(responseSchema: ZodSchema<T>): ResponseHandler<T> =>\n  async ({ response, url, requestBodyValues }) => {\n    const responseBody = await response.text();\n\n    const parsedResult = safeParseJSON({\n      text: responseBody,\n      schema: responseSchema,\n    });\n\n    const responseHeaders = extractResponseHeaders(response);\n\n    if (!parsedResult.success) {\n      throw new APICallError({\n        message: 'Invalid JSON response',\n        cause: parsedResult.error,\n        statusCode: response.status,\n        responseHeaders,\n        responseBody,\n        url,\n        requestBodyValues,\n      });\n    }\n\n    return {\n      responseHeaders,\n      value: parsedResult.value,\n    };\n  };\n","export function convertBase64ToUint8Array(base64String: string) {\n  const base64Url = base64String.replace(/-/g, '+').replace(/_/g, '/');\n  const latin1string = globalThis.atob(base64Url);\n  return Uint8Array.from(latin1string, byte => byte.codePointAt(0)!);\n}\n\nexport function convertUint8ArrayToBase64(array: Uint8Array): string {\n  let latin1string = '';\n\n  // Note: regular for loop to support older JavaScript versions that\n  // do not support for..of on Uint8Array\n  for (let i = 0; i < array.length; i++) {\n    latin1string 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package.json

 {
   "name": "@ai-sdk/provider-utils",
-  "version": "0.0.11",
+  "version": "0.0.12",
   "license": "Apache-2.0",
@@ -28,3 +28,3 @@ "sideEffects": false,
   "dependencies": {
-    "@ai-sdk/provider": "0.0.8",
+    "@ai-sdk/provider": "0.0.9",
     "eventsource-parser": "1.1.2",
@@ -73,4 +73,7 @@ "nanoid": "3.3.6",
     "type-check": "tsc --noEmit",
-    "prettier-check": "prettier --check \"./**/*.ts*\""
+    "prettier-check": "prettier --check \"./**/*.ts*\"",
+    "test": "pnpm test:node && pnpm test:edge",
+    "test:edge": "vitest --config vitest.edge.config.js --run",
+    "test:node": "vitest --config vitest.node.config.js --run"
   }
 }

New alerts

Network access

Supply chain risk

This module accesses the network.

Found 3 instances in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 2 instances in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Fixed alerts

Network access

Supply chain risk

This module accesses the network.

Found 3 instances in 1 package

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 2 instances in 1 package

Long strings

Supply chain risk

Contains long string literals, which may be a sign of obfuscated or packed code.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

1660374

0.4%

Lines of code

18218

0.6%

Worsened metrics

Number of medium supply chain risk alerts

51

10.87%

Dependency changes

• + Added

  @ai-sdk/provider@0.0.9
  (transitive)

• - Removed

  @ai-sdk/provider@0.0.8
  (transitive)

• Updated

  @ai-sdk/provider@0.0.9