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Add extracted source directory and README navigation
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Shawn Bot
156
extracted-source/node_modules/@anthropic-ai/sdk/resources/beta/messages/messages.mjs
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156
extracted-source/node_modules/@anthropic-ai/sdk/resources/beta/messages/messages.mjs
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// File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
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import { AnthropicError } from "../../../error.mjs";
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import { APIResource } from "../../../core/resource.mjs";
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import { MODEL_NONSTREAMING_TOKENS } from "../../../internal/constants.mjs";
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import { buildHeaders } from "../../../internal/headers.mjs";
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import { stainlessHelperHeader } from "../../../lib/stainless-helper-header.mjs";
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import { parseBetaMessage, } from "../../../lib/beta-parser.mjs";
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import { BetaMessageStream } from "../../../lib/BetaMessageStream.mjs";
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import { BetaToolRunner, } from "../../../lib/tools/BetaToolRunner.mjs";
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import { ToolError } from "../../../lib/tools/ToolError.mjs";
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import * as BatchesAPI from "./batches.mjs";
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import { Batches, } from "./batches.mjs";
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const DEPRECATED_MODELS = {
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'claude-1.3': 'November 6th, 2024',
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'claude-1.3-100k': 'November 6th, 2024',
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'claude-instant-1.1': 'November 6th, 2024',
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'claude-instant-1.1-100k': 'November 6th, 2024',
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'claude-instant-1.2': 'November 6th, 2024',
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'claude-3-sonnet-20240229': 'July 21st, 2025',
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'claude-3-opus-20240229': 'January 5th, 2026',
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'claude-2.1': 'July 21st, 2025',
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'claude-2.0': 'July 21st, 2025',
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'claude-3-7-sonnet-latest': 'February 19th, 2026',
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'claude-3-7-sonnet-20250219': 'February 19th, 2026',
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};
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const MODELS_TO_WARN_WITH_THINKING_ENABLED = ['claude-opus-4-6'];
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export class Messages extends APIResource {
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constructor() {
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super(...arguments);
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this.batches = new BatchesAPI.Batches(this._client);
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}
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create(params, options) {
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// Transform deprecated output_format to output_config.format
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const modifiedParams = transformOutputFormat(params);
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const { betas, ...body } = modifiedParams;
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if (body.model in DEPRECATED_MODELS) {
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console.warn(`The model '${body.model}' is deprecated and will reach end-of-life on ${DEPRECATED_MODELS[body.model]}\nPlease migrate to a newer model. Visit https://docs.anthropic.com/en/docs/resources/model-deprecations for more information.`);
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}
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if (body.model in MODELS_TO_WARN_WITH_THINKING_ENABLED &&
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body.thinking &&
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body.thinking.type === 'enabled') {
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console.warn(`Using Claude with ${body.model} and 'thinking.type=enabled' is deprecated. Use 'thinking.type=adaptive' instead which results in better model performance in our testing: https://platform.claude.com/docs/en/build-with-claude/adaptive-thinking`);
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}
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let timeout = this._client._options.timeout;
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if (!body.stream && timeout == null) {
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const maxNonstreamingTokens = MODEL_NONSTREAMING_TOKENS[body.model] ?? undefined;
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timeout = this._client.calculateNonstreamingTimeout(body.max_tokens, maxNonstreamingTokens);
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}
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// Collect helper info from tools and messages
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const helperHeader = stainlessHelperHeader(body.tools, body.messages);
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return this._client.post('/v1/messages?beta=true', {
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body,
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timeout: timeout ?? 600000,
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...options,
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headers: buildHeaders([
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{ ...(betas?.toString() != null ? { 'anthropic-beta': betas?.toString() } : undefined) },
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helperHeader,
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options?.headers,
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]),
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stream: modifiedParams.stream ?? false,
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});
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}
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/**
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* Send a structured list of input messages with text and/or image content, along with an expected `output_format` and
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* the response will be automatically parsed and available in the `parsed_output` property of the message.
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*
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* @example
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* ```ts
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* const message = await client.beta.messages.parse({
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* model: 'claude-3-5-sonnet-20241022',
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* max_tokens: 1024,
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* messages: [{ role: 'user', content: 'What is 2+2?' }],
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* output_format: zodOutputFormat(z.object({ answer: z.number() }), 'math'),
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* });
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*
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* console.log(message.parsed_output?.answer); // 4
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* ```
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*/
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parse(params, options) {
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options = {
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...options,
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headers: buildHeaders([
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{ 'anthropic-beta': [...(params.betas ?? []), 'structured-outputs-2025-12-15'].toString() },
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options?.headers,
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]),
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};
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return this.create(params, options).then((message) => parseBetaMessage(message, params, { logger: this._client.logger ?? console }));
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}
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/**
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* Create a Message stream
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*/
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stream(body, options) {
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return BetaMessageStream.createMessage(this, body, options);
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}
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/**
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* Count the number of tokens in a Message.
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*
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* The Token Count API can be used to count the number of tokens in a Message,
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* including tools, images, and documents, without creating it.
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*
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* Learn more about token counting in our
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* [user guide](https://docs.claude.com/en/docs/build-with-claude/token-counting)
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*
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* @example
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* ```ts
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* const betaMessageTokensCount =
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* await client.beta.messages.countTokens({
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* messages: [{ content: 'string', role: 'user' }],
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* model: 'claude-opus-4-6',
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* });
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* ```
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*/
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countTokens(params, options) {
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// Transform deprecated output_format to output_config.format
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const modifiedParams = transformOutputFormat(params);
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const { betas, ...body } = modifiedParams;
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return this._client.post('/v1/messages/count_tokens?beta=true', {
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body,
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...options,
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headers: buildHeaders([
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{ 'anthropic-beta': [...(betas ?? []), 'token-counting-2024-11-01'].toString() },
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options?.headers,
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]),
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});
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}
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toolRunner(body, options) {
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return new BetaToolRunner(this._client, body, options);
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}
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}
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/**
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* Transform deprecated output_format to output_config.format
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* Returns a modified copy of the params without mutating the original
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*/
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function transformOutputFormat(params) {
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if (!params.output_format) {
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return params;
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}
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if (params.output_config?.format) {
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throw new AnthropicError('Both output_format and output_config.format were provided. ' +
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'Please use only output_config.format (output_format is deprecated).');
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}
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const { output_format, ...rest } = params;
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return {
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...rest,
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output_config: {
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...params.output_config,
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format: output_format,
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},
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};
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}
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export { BetaToolRunner } from "../../../lib/tools/BetaToolRunner.mjs";
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export { ToolError } from "../../../lib/tools/ToolError.mjs";
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Messages.Batches = Batches;
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Messages.BetaToolRunner = BetaToolRunner;
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Messages.ToolError = ToolError;
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//# sourceMappingURL=messages.mjs.map
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