chore(internal): move client class to separate file (#408)

src/client.ts

@@ -0,0 +1,241 @@
+// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
+
+import * as Core from './core';
+import * as Errors from './error';
+import { type Agent } from './_shims/index';
+import * as Uploads from './uploads';
+import * as API from '@anthropic-ai/sdk/resources/index';
+
+export interface ClientOptions {
+  /**
+   * Defaults to process.env['ANTHROPIC_API_KEY'].
+   */
+  apiKey?: string | null | undefined;
+
+  /**
+   * Defaults to process.env['ANTHROPIC_AUTH_TOKEN'].
+   */
+  authToken?: string | null | undefined;
+
+  /**
+   * Override the default base URL for the API, e.g., "https://api.example.com/v2/"
+   *
+   * Defaults to process.env['ANTHROPIC_BASE_URL'].
+   */
+  baseURL?: string | null | undefined;
+
+  /**
+   * The maximum amount of time (in milliseconds) that the client should wait for a response
+   * from the server before timing out a single request.
+   *
+   * Note that request timeouts are retried by default, so in a worst-case scenario you may wait
+   * much longer than this timeout before the promise succeeds or fails.
+   */
+  timeout?: number;
+
+  /**
+   * An HTTP agent used to manage HTTP(S) connections.
+   *
+   * If not provided, an agent will be constructed by default in the Node.js environment,
+   * otherwise no agent is used.
+   */
+  httpAgent?: Agent;
+
+  /**
+   * Specify a custom `fetch` function implementation.
+   *
+   * If not provided, we use `node-fetch` on Node.js and otherwise expect that `fetch` is
+   * defined globally.
+   */
+  fetch?: Core.Fetch | undefined;
+
+  /**
+   * The maximum number of times that the client will retry a request in case of a
+   * temporary failure, like a network error or a 5XX error from the server.
+   *
+   * @default 2
+   */
+  maxRetries?: number;
+
+  /**
+   * Default headers to include with every request to the API.
+   *
+   * These can be removed in individual requests by explicitly setting the
+   * header to `undefined` or `null` in request options.
+   */
+  defaultHeaders?: Core.Headers;
+
+  /**
+   * Default query parameters to include with every request to the API.
+   *
+   * These can be removed in individual requests by explicitly setting the
+   * param to `undefined` in request options.
+   */
+  defaultQuery?: Core.DefaultQuery;
+}
+
+/** API Client for interfacing with the Anthropic API. */
+export class Anthropic extends Core.APIClient {
+  apiKey: string | null;
+  authToken: string | null;
+
+  private _options: ClientOptions;
+
+  /**
+   * API Client for interfacing with the Anthropic API.
+   *
+   * @param {string | null | undefined} [opts.apiKey=process.env['ANTHROPIC_API_KEY'] ?? null]
+   * @param {string | null | undefined} [opts.authToken=process.env['ANTHROPIC_AUTH_TOKEN'] ?? null]
+   * @param {string} [opts.baseURL=process.env['ANTHROPIC_BASE_URL'] ?? https://api.anthropic.com] - Override the default base URL for the API.
+   * @param {number} [opts.timeout=10 minutes] - The maximum amount of time (in milliseconds) the client will wait for a response before timing out.
+   * @param {number} [opts.httpAgent] - An HTTP agent used to manage HTTP(s) connections.
+   * @param {Core.Fetch} [opts.fetch] - Specify a custom `fetch` function implementation.
+   * @param {number} [opts.maxRetries=2] - The maximum number of times the client will retry a request.
+   * @param {Core.Headers} opts.defaultHeaders - Default headers to include with every request to the API.
+   * @param {Core.DefaultQuery} opts.defaultQuery - Default query parameters to include with every request to the API.
+   */
+  constructor({
+    baseURL = Core.readEnv('ANTHROPIC_BASE_URL'),
+    apiKey = Core.readEnv('ANTHROPIC_API_KEY') ?? null,
+    authToken = Core.readEnv('ANTHROPIC_AUTH_TOKEN') ?? null,
+    ...opts
+  }: ClientOptions = {}) {
+    const options: ClientOptions = {
+      apiKey,
+      authToken,
+      ...opts,
+      baseURL: baseURL || `https://api.anthropic.com`,
+    };
+
+    super({
+      baseURL: options.baseURL!,
+      timeout: options.timeout ?? 600000 /* 10 minutes */,
+      httpAgent: options.httpAgent,
+      maxRetries: options.maxRetries,
+      fetch: options.fetch,
+    });
+    this._options = options;
+
+    this.apiKey = apiKey;
+    this.authToken = authToken;
+  }
+
+  completions: API.Completions = new API.Completions(this);
+  messages: API.Messages = new API.Messages(this);
+  beta: API.Beta = new API.Beta(this);
+
+  protected override defaultQuery(): Core.DefaultQuery | undefined {
+    return this._options.defaultQuery;
+  }
+
+  protected override defaultHeaders(opts: Core.FinalRequestOptions): Core.Headers {
+    return {
+      ...super.defaultHeaders(opts),
+      'anthropic-version': '2023-06-01',
+      ...this._options.defaultHeaders,
+    };
+  }
+
+  protected override validateHeaders(headers: Core.Headers, customHeaders: Core.Headers) {
+    if (this.apiKey && headers['x-api-key']) {
+      return;
+    }
+    if (customHeaders['x-api-key'] === null) {
+      return;
+    }
+
+    if (this.authToken && headers['authorization']) {
+      return;
+    }
+    if (customHeaders['authorization'] === null) {
+      return;
+    }
+
+    throw new Error(
+      'Could not resolve authentication method. Expected either apiKey or authToken to be set. Or for one of the "X-Api-Key" or "Authorization" headers to be explicitly omitted',
+    );
+  }
+
+  protected override authHeaders(opts: Core.FinalRequestOptions): Core.Headers {
+    const apiKeyAuth = this.apiKeyAuth(opts);
+    const bearerAuth = this.bearerAuth(opts);
+
+    if (apiKeyAuth != null && !Core.isEmptyObj(apiKeyAuth)) {
+      return apiKeyAuth;
+    }
+
+    if (bearerAuth != null && !Core.isEmptyObj(bearerAuth)) {
+      return bearerAuth;
+    }
+    return {};
+  }
+
+  protected apiKeyAuth(opts: Core.FinalRequestOptions): Core.Headers {
+    if (this.apiKey == null) {
+      return {};
+    }
+    return { 'X-Api-Key': this.apiKey };
+  }
+
+  protected bearerAuth(opts: Core.FinalRequestOptions): Core.Headers {
+    if (this.authToken == null) {
+      return {};
+    }
+    return { Authorization: `Bearer ${this.authToken}` };
+  }
+
+  static Anthropic = this;
+  static HUMAN_PROMPT = '\n\nHuman:';
+  static AI_PROMPT = '\n\nAssistant:';
+
+  static AnthropicError = Errors.AnthropicError;
+  static APIError = Errors.APIError;
+  static APIConnectionError = Errors.APIConnectionError;
+  static APIConnectionTimeoutError = Errors.APIConnectionTimeoutError;
+  static APIUserAbortError = Errors.APIUserAbortError;
+  static NotFoundError = Errors.NotFoundError;
+  static ConflictError = Errors.ConflictError;
+  static RateLimitError = Errors.RateLimitError;
+  static BadRequestError = Errors.BadRequestError;
+  static AuthenticationError = Errors.AuthenticationError;
+  static InternalServerError = Errors.InternalServerError;
+  static PermissionDeniedError = Errors.PermissionDeniedError;
+  static UnprocessableEntityError = Errors.UnprocessableEntityError;
+
+  static toFile = Uploads.toFile;
+  static fileFromPath = Uploads.fileFromPath;
+}
+
+export namespace Anthropic {
+  export import RequestOptions = Core.RequestOptions;
+
+  export import Completions = API.Completions;
+  export import Completion = API.Completion;
+  export import CompletionCreateParams = API.CompletionCreateParams;
+  export import CompletionCreateParamsNonStreaming = API.CompletionCreateParamsNonStreaming;
+  export import CompletionCreateParamsStreaming = API.CompletionCreateParamsStreaming;
+
+  export import Messages = API.Messages;
+  export import ContentBlock = API.ContentBlock;
+  export import ContentBlockDeltaEvent = API.ContentBlockDeltaEvent;
+  export import ContentBlockStartEvent = API.ContentBlockStartEvent;
+  export import ContentBlockStopEvent = API.ContentBlockStopEvent;
+  export import ImageBlockParam = API.ImageBlockParam;
+  export import Message = API.Message;
+  export import MessageDeltaEvent = API.MessageDeltaEvent;
+  export import MessageDeltaUsage = API.MessageDeltaUsage;
+  export import MessageParam = API.MessageParam;
+  export import MessageStartEvent = API.MessageStartEvent;
+  export import MessageStopEvent = API.MessageStopEvent;
+  export import MessageStreamEvent = API.MessageStreamEvent;
+  export import TextBlock = API.TextBlock;
+  export import TextBlockParam = API.TextBlockParam;
+  export import TextDelta = API.TextDelta;
+  export import Usage = API.Usage;
+  export import MessageCreateParams = API.MessageCreateParams;
+  export import MessageCreateParamsNonStreaming = API.MessageCreateParamsNonStreaming;
+  export import MessageCreateParamsStreaming = API.MessageCreateParamsStreaming;
+  export import MessageStreamParams = API.MessageStreamParams;
+
+  export import Beta = API.Beta;
+}