assistant-stream/dist/core/accumulators/AssistantMessageStream.js

Streaming utilities for AI assistants

import { asAsyncIterableStream } from "../../utils/AsyncIterableStream.js";
import { AssistantMessageAccumulator } from "./assistant-message-accumulator.js";
// src/core/accumulators/AssistantMessageStream.ts
var AssistantMessageStream = class AssistantMessageStream {
	readable;
	constructor(readable) {
		this.readable = readable;
	}
	static fromAssistantStream(stream) {
		return new AssistantMessageStream(stream.pipeThrough(new AssistantMessageAccumulator()));
	}
	/** @deprecated Experimental since 2025-01-14. Not scheduled for removal; the API may change in any release. */
	async unstable_result() {
		let last;
		for await (const chunk of this) last = chunk;
		if (!last) return {
			role: "assistant",
			status: {
				type: "complete",
				reason: "unknown"
			},
			parts: [],
			content: [],
			metadata: {
				unstable_state: null,
				unstable_data: [],
				unstable_annotations: [],
				steps: [],
				custom: {}
			}
		};
		return last;
	}
	[Symbol.asyncIterator]() {
		return asAsyncIterableStream(this.readable)[Symbol.asyncIterator]();
	}
	tee() {
		const [readable1, readable2] = this.readable.tee();
		return [new AssistantMessageStream(readable1), new AssistantMessageStream(readable2)];
	}
};
export { AssistantMessageStream };

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