| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124 |
- import { BaseAnthropic } from '@anthropic-ai/sdk/client';
- import * as Resources from '@anthropic-ai/sdk/resources/index';
- import { getAuthHeaders } from "./core/auth.mjs";
- import { Stream } from "./core/streaming.mjs";
- import { readEnv } from "./internal/utils/env.mjs";
- import { isObj } from "./internal/utils/values.mjs";
- import { buildHeaders } from "./internal/headers.mjs";
- import { path } from "./internal/utils/path.mjs";
- export { BaseAnthropic } from '@anthropic-ai/sdk/client';
- const DEFAULT_VERSION = 'bedrock-2023-05-31';
- const MODEL_ENDPOINTS = new Set(['/v1/complete', '/v1/messages', '/v1/messages?beta=true']);
- /** API Client for interfacing with the Anthropic Bedrock API. */
- export class AnthropicBedrock extends BaseAnthropic {
- /**
- * API Client for interfacing with the Anthropic Bedrock API.
- *
- * @param {string | null | undefined} [opts.awsSecretKey]
- * @param {string | null | undefined} [opts.awsAccessKey]
- * @param {string | undefined} [opts.awsRegion=process.env['AWS_REGION'] ?? us-east-1]
- * @param {string | null | undefined} [opts.awsSessionToken]
- * @param {(() => Promise<AwsCredentialIdentityProvider>) | null} [opts.providerChainResolver] - Custom provider chain resolver for AWS credentials. Useful for non-Node environments.
- * @param {string} [opts.baseURL=process.env['ANTHROPIC_BEDROCK_BASE_URL'] ?? https://bedrock-runtime.${this.awsRegion}.amazonaws.com] - Override the default base URL for the API.
- * @param {number} [opts.timeout=10 minutes] - The maximum amount of time (in milliseconds) the client will wait for a response before timing out.
- * @param {MergedRequestInit} [opts.fetchOptions] - Additional `RequestInit` options to be passed to `fetch` calls.
- * @param {Fetch} [opts.fetch] - Specify a custom `fetch` function implementation.
- * @param {number} [opts.maxRetries=2] - The maximum number of times the client will retry a request.
- * @param {HeadersLike} opts.defaultHeaders - Default headers to include with every request to the API.
- * @param {Record<string, string | undefined>} opts.defaultQuery - Default query parameters to include with every request to the API.
- * @param {boolean} [opts.dangerouslyAllowBrowser=false] - By default, client-side use of this library is not allowed, as it risks exposing your secret API credentials to attackers.
- * @param {boolean} [opts.skipAuth=false] - Skip authentication for this request. This is useful if you have an internal proxy that handles authentication for you.
- */
- constructor({ awsRegion = readEnv('AWS_REGION') ?? 'us-east-1', baseURL = readEnv('ANTHROPIC_BEDROCK_BASE_URL') ?? `https://bedrock-runtime.${awsRegion}.amazonaws.com`, awsSecretKey = null, awsAccessKey = null, awsSessionToken = null, providerChainResolver = null, ...opts } = {}) {
- super({
- baseURL,
- ...opts,
- });
- this.skipAuth = false;
- this.messages = makeMessagesResource(this);
- this.completions = new Resources.Completions(this);
- this.beta = makeBetaResource(this);
- this.awsSecretKey = awsSecretKey;
- this.awsAccessKey = awsAccessKey;
- this.awsRegion = awsRegion;
- this.awsSessionToken = awsSessionToken;
- this.skipAuth = opts.skipAuth ?? false;
- this.providerChainResolver = providerChainResolver;
- }
- validateHeaders() {
- // auth validation is handled in prepareRequest since it needs to be async
- }
- async prepareRequest(request, { url, options }) {
- if (this.skipAuth) {
- return;
- }
- const regionName = this.awsRegion;
- if (!regionName) {
- throw new Error('Expected `awsRegion` option to be passed to the client or the `AWS_REGION` environment variable to be present');
- }
- const headers = await getAuthHeaders(request, {
- url,
- regionName,
- awsAccessKey: this.awsAccessKey,
- awsSecretKey: this.awsSecretKey,
- awsSessionToken: this.awsSessionToken,
- fetchOptions: this.fetchOptions,
- providerChainResolver: this.providerChainResolver,
- });
- request.headers = buildHeaders([headers, request.headers]).values;
- }
- async buildRequest(options) {
- options.__streamClass = Stream;
- if (isObj(options.body)) {
- // create a shallow copy of the request body so that code that mutates it later
- // doesn't mutate the original user-provided object
- options.body = { ...options.body };
- }
- if (isObj(options.body)) {
- if (!options.body['anthropic_version']) {
- options.body['anthropic_version'] = DEFAULT_VERSION;
- }
- if (options.headers && !options.body['anthropic_beta']) {
- const betas = buildHeaders([options.headers]).values.get('anthropic-beta');
- if (betas != null) {
- options.body['anthropic_beta'] = betas.split(',');
- }
- }
- }
- if (MODEL_ENDPOINTS.has(options.path) && options.method === 'post') {
- if (!isObj(options.body)) {
- throw new Error('Expected request body to be an object for post /v1/messages');
- }
- const model = options.body['model'];
- options.body['model'] = undefined;
- const stream = options.body['stream'];
- options.body['stream'] = undefined;
- if (stream) {
- options.path = path `/model/${model}/invoke-with-response-stream`;
- }
- else {
- options.path = path `/model/${model}/invoke`;
- }
- }
- return super.buildRequest(options);
- }
- }
- function makeMessagesResource(client) {
- const resource = new Resources.Messages(client);
- // @ts-expect-error we're deleting non-optional properties
- delete resource.batches;
- // @ts-expect-error we're deleting non-optional properties
- delete resource.countTokens;
- return resource;
- }
- function makeBetaResource(client) {
- const resource = new Resources.Beta(client);
- // @ts-expect-error we're deleting non-optional properties
- delete resource.promptCaching;
- // @ts-expect-error we're deleting non-optional properties
- delete resource.messages.batches;
- // @ts-expect-error we're deleting non-optional properties
- delete resource.messages.countTokens;
- return resource;
- }
- //# sourceMappingURL=client.mjs.map
|