@langchain/openai/dist/azure/chat_models/common.cjs.map

OpenAI integrations for LangChain.js

{"version":3,"file":"common.cjs","names":["getEndpoint","getHeadersWithUserAgent","AzureOpenAIClient"],"sources":["../../../src/azure/chat_models/common.ts"],"sourcesContent":["import { AzureOpenAI as AzureOpenAIClient, type ClientOptions } from \"openai\";\nimport { getEnvironmentVariable } from \"@langchain/core/utils/env\";\nimport type { Serialized } from \"@langchain/core/load/serializable\";\nimport { ChatOpenAICallOptions } from \"../../chat_models/index.js\";\nimport {\n  OpenAIEndpointConfig,\n  getEndpoint,\n  getHeadersWithUserAgent,\n} from \"../../utils/azure.js\";\nimport { AzureOpenAIChatInput, OpenAICoreRequestOptions } from \"../../types.js\";\nimport {\n  BaseChatOpenAI,\n  BaseChatOpenAIFields,\n} from \"../../chat_models/base.js\";\n\nexport const AZURE_ALIASES = {\n  openAIApiKey: \"openai_api_key\",\n  openAIApiVersion: \"openai_api_version\",\n  openAIBasePath: \"openai_api_base\",\n  deploymentName: \"deployment_name\",\n  azureOpenAIEndpoint: \"azure_endpoint\",\n  azureOpenAIApiVersion: \"openai_api_version\",\n  azureOpenAIBasePath: \"openai_api_base\",\n  azureOpenAIApiDeploymentName: \"deployment_name\",\n};\n\nexport const AZURE_SECRETS = {\n  azureOpenAIApiKey: \"AZURE_OPENAI_API_KEY\",\n};\n\nexport const AZURE_SERIALIZABLE_KEYS = [\n  \"azureOpenAIApiKey\",\n  \"azureOpenAIApiVersion\",\n  \"azureOpenAIBasePath\",\n  \"azureOpenAIEndpoint\",\n  \"azureOpenAIApiInstanceName\",\n  \"azureOpenAIApiDeploymentName\",\n  \"deploymentName\",\n  \"openAIApiKey\",\n  \"openAIApiVersion\",\n];\n\nexport interface AzureChatOpenAIFields\n  extends BaseChatOpenAIFields, Partial<AzureOpenAIChatInput> {\n  /**\n   * Whether to use the responses API for all requests. If `false` the responses API will be used\n   * only when required in order to fulfill the request.\n   */\n  useResponsesApi?: boolean;\n}\n\nexport function getAzureChatOpenAIParams(\n  modelOrFields?: string | AzureChatOpenAIFields,\n  fieldsArg?: Omit<\n    AzureChatOpenAIFields,\n    \"deploymentName\" | \"azureOpenAIApiDeploymentName\" | \"model\"\n  >\n): AzureChatOpenAIFields | undefined {\n  if (typeof modelOrFields === \"string\") {\n    return {\n      model: modelOrFields,\n      deploymentName: modelOrFields,\n      azureOpenAIApiDeploymentName: modelOrFields,\n      ...(fieldsArg ?? {}),\n    };\n  }\n  if (modelOrFields == null) {\n    return fieldsArg as AzureChatOpenAIFields | undefined;\n  }\n  return modelOrFields;\n}\n\nexport function _constructAzureFields(\n  this: Partial<AzureOpenAIChatInput>,\n  fields?: AzureChatOpenAIFields\n) {\n  this.azureOpenAIApiKey =\n    fields?.azureOpenAIApiKey ??\n    (typeof fields?.openAIApiKey === \"string\"\n      ? fields?.openAIApiKey\n      : undefined) ??\n    (typeof fields?.apiKey === \"string\" ? fields?.apiKey : undefined) ??\n    getEnvironmentVariable(\"AZURE_OPENAI_API_KEY\");\n\n  this.azureOpenAIApiInstanceName =\n    fields?.azureOpenAIApiInstanceName ??\n    getEnvironmentVariable(\"AZURE_OPENAI_API_INSTANCE_NAME\");\n\n  this.azureOpenAIApiDeploymentName =\n    fields?.azureOpenAIApiDeploymentName ??\n    fields?.deploymentName ??\n    getEnvironmentVariable(\"AZURE_OPENAI_API_DEPLOYMENT_NAME\");\n\n  this.azureOpenAIApiVersion =\n    fields?.azureOpenAIApiVersion ??\n    fields?.openAIApiVersion ??\n    getEnvironmentVariable(\"AZURE_OPENAI_API_VERSION\");\n\n  this.azureOpenAIBasePath =\n    fields?.azureOpenAIBasePath ??\n    getEnvironmentVariable(\"AZURE_OPENAI_BASE_PATH\");\n\n  this.azureOpenAIEndpoint =\n    fields?.azureOpenAIEndpoint ??\n    getEnvironmentVariable(\"AZURE_OPENAI_ENDPOINT\");\n\n  this.azureADTokenProvider = fields?.azureADTokenProvider;\n\n  if (!this.azureOpenAIApiKey && !this.apiKey && !this.azureADTokenProvider) {\n    throw new Error(\"Azure OpenAI API key or Token Provider not found\");\n  }\n}\n\nexport function _getAzureClientOptions(\n  this: BaseChatOpenAI<ChatOpenAICallOptions> & Partial<AzureOpenAIChatInput>,\n  options: OpenAICoreRequestOptions | undefined\n): OpenAICoreRequestOptions {\n  if (!this.client) {\n    const openAIEndpointConfig: OpenAIEndpointConfig = {\n      azureOpenAIApiDeploymentName: this.azureOpenAIApiDeploymentName,\n      azureOpenAIApiInstanceName: this.azureOpenAIApiInstanceName,\n      azureOpenAIApiKey: this.azureOpenAIApiKey,\n      azureOpenAIBasePath: this.azureOpenAIBasePath,\n      azureADTokenProvider: this.azureADTokenProvider,\n      baseURL: this.clientConfig.baseURL,\n      azureOpenAIEndpoint: this.azureOpenAIEndpoint,\n    };\n\n    const endpoint = getEndpoint(openAIEndpointConfig);\n\n    const { apiKey: existingApiKey, ...clientConfigRest } = this.clientConfig;\n    const params: Omit<ClientOptions, \"apiKey\"> & { apiKey?: string } = {\n      ...clientConfigRest,\n      baseURL: endpoint,\n      timeout: this.timeout,\n      maxRetries: 0,\n    };\n\n    if (!this.azureADTokenProvider) {\n      params.apiKey = openAIEndpointConfig.azureOpenAIApiKey;\n    }\n\n    if (!params.baseURL) {\n      delete params.baseURL;\n    }\n\n    params.defaultHeaders = getHeadersWithUserAgent(\n      params.defaultHeaders,\n      true,\n      \"2.0.0\"\n    );\n\n    this.client = new AzureOpenAIClient({\n      apiVersion: this.azureOpenAIApiVersion,\n      azureADTokenProvider: this.azureADTokenProvider,\n      deployment: this.azureOpenAIApiDeploymentName,\n      ...params,\n    });\n  }\n  const requestOptions = {\n    ...this.clientConfig,\n    ...options,\n  } as OpenAICoreRequestOptions;\n  if (this.azureOpenAIApiKey) {\n    requestOptions.headers = {\n      \"api-key\": this.azureOpenAIApiKey,\n      ...requestOptions.headers,\n    };\n    requestOptions.query = {\n      \"api-version\": this.azureOpenAIApiVersion,\n      ...requestOptions.query,\n    };\n  }\n  return requestOptions;\n}\n\nexport function _serializeAzureChat(\n  this: BaseChatOpenAI<ChatOpenAICallOptions> & Partial<AzureOpenAIChatInput>,\n  input: Serialized\n) {\n  const json = input;\n\n  function isRecord(obj: unknown): obj is Record<string, unknown> {\n    return typeof obj === \"object\" && obj != null;\n  }\n\n  if (isRecord(json) && isRecord(json.kwargs)) {\n    delete json.kwargs.azure_openai_base_path;\n    delete json.kwargs.azure_openai_api_deployment_name;\n    delete json.kwargs.azure_openai_api_key;\n    delete json.kwargs.azure_openai_api_version;\n    delete json.kwargs.azure_open_ai_base_path;\n\n    if (!json.kwargs.azure_endpoint && this.azureOpenAIEndpoint) {\n      json.kwargs.azure_endpoint = this.azureOpenAIEndpoint;\n    }\n    if (!json.kwargs.azure_endpoint && this.azureOpenAIBasePath) {\n      const parts = this.azureOpenAIBasePath.split(\"/openai/deployments/\");\n      if (parts.length === 2 && parts[0].startsWith(\"http\")) {\n        const [endpoint] = parts;\n        json.kwargs.azure_endpoint = endpoint;\n      }\n    }\n    if (!json.kwargs.azure_endpoint && this.azureOpenAIApiInstanceName) {\n      json.kwargs.azure_endpoint = `https://${this.azureOpenAIApiInstanceName}.openai.azure.com/`;\n    }\n    if (!json.kwargs.deployment_name && this.azureOpenAIApiDeploymentName) {\n      json.kwargs.deployment_name = this.azureOpenAIApiDeploymentName;\n    }\n    if (!json.kwargs.deployment_name && this.azureOpenAIBasePath) {\n      const parts = this.azureOpenAIBasePath.split(\"/openai/deployments/\");\n      if (parts.length === 2) {\n        const [, deployment] = parts;\n        json.kwargs.deployment_name = deployment;\n      }\n    }\n\n    if (\n      json.kwargs.azure_endpoint &&\n      json.kwargs.deployment_name &&\n      json.kwargs.openai_api_base\n    ) {\n      delete json.kwargs.openai_api_base;\n    }\n    if (\n      json.kwargs.azure_openai_api_instance_name &&\n      json.kwargs.azure_endpoint\n    ) {\n      delete json.kwargs.azure_openai_api_instance_name;\n    }\n  }\n\n  return 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