/** * Streaming response support for RuvLLM */ /** * Async generator for streaming responses * * @example * ```typescript * import { RuvLLM, StreamingGenerator } from '@ruvector/ruvllm'; * * const llm = new RuvLLM(); * const streamer = new StreamingGenerator(llm); * * // Stream with async iterator * for await (const chunk of streamer.stream('Write a story')) { * process.stdout.write(chunk.text); * } * * // Stream with callbacks * await streamer.streamWithCallbacks('Write a poem', { * onChunk: (chunk) => console.log(chunk.text), * onComplete: (response) => console.log('Done!', response.latencyMs), * }); * ``` */ export class StreamingGenerator { constructor(llm) { this.llm = llm; } /** * Stream response as async generator * * Note: This simulates streaming by chunking the full response. * Native streaming requires native module support. */ async *stream(prompt, config) { const start = Date.now(); // Generate full response (native streaming would yield real chunks) const fullText = this.llm.generate(prompt, config); // Simulate streaming by yielding words const words = fullText.split(/(\s+)/); let accumulated = ''; let tokenCount = 0; for (let i = 0; i < words.length; i++) { accumulated += words[i]; tokenCount++; // Yield every few tokens or at end if (tokenCount % 3 === 0 || i === words.length - 1) { yield { text: words.slice(Math.max(0, i - 2), i + 1).join(''), done: i === words.length - 1, tokenCount, latencyMs: Date.now() - start, }; // Small delay to simulate streaming await this.delay(10); } } } /** * Stream with callback handlers */ async streamWithCallbacks(prompt, options) { const start = Date.now(); let fullText = ''; let tokenCount = 0; try { for await (const chunk of this.stream(prompt, options)) { fullText += chunk.text; tokenCount = chunk.tokenCount; if (options.onChunk) { options.onChunk(chunk); } } const response = { text: fullText.trim(), confidence: 0.8, model: 'streaming', contextSize: tokenCount, latencyMs: Date.now() - start, requestId: `stream-${Date.now()}-${Math.random().toString(36).slice(2)}`, }; if (options.onComplete) { options.onComplete(response); } return response; } catch (error) { if (options.onError) { options.onError(error); } throw error; } } /** * Collect stream into single response */ async collect(prompt, config) { let result = ''; for await (const chunk of this.stream(prompt, config)) { result = chunk.text; // Each chunk is cumulative } return result.trim(); } delay(ms) { return new Promise(resolve => setTimeout(resolve, ms)); } } /** * Create a readable stream from response * (For Node.js stream compatibility) */ export function createReadableStream(generator) { return new ReadableStream({ async pull(controller) { const { value, done } = await generator.next(); if (done) { controller.close(); } else { controller.enqueue(value.text); } }, }); } //# 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* Streaming response support for RuvLLM\n */\n\nimport {\n  StreamChunk,\n  StreamOptions,\n  QueryResponse,\n  GenerationConfig,\n} from './types';\n\n/**\n * Async generator for streaming responses\n *\n * @example\n * ```typescript\n * import { RuvLLM, StreamingGenerator } from '@ruvector/ruvllm';\n *\n * const llm = new RuvLLM();\n * const streamer = new StreamingGenerator(llm);\n *\n * // Stream with async iterator\n * for await (const chunk of streamer.stream('Write a story')) {\n *   process.stdout.write(chunk.text);\n * }\n *\n * // Stream with callbacks\n * await streamer.streamWithCallbacks('Write a poem', {\n *   onChunk: (chunk) => console.log(chunk.text),\n *   onComplete: (response) => console.log('Done!', response.latencyMs),\n * });\n * ```\n */\nexport class StreamingGenerator {\n  private llm: {\n    generate: (prompt: string, config?: GenerationConfig) => string;\n    query: (text: string, config?: GenerationConfig) => QueryResponse;\n  };\n\n  constructor(llm: {\n    generate: (prompt: string, config?: GenerationConfig) => string;\n    query: (text: string, config?: GenerationConfig) => QueryResponse;\n  }) {\n    this.llm = llm;\n  }\n\n  /**\n   * Stream response as async generator\n   *\n   * Note: This simulates streaming by chunking the full response.\n   * Native streaming requires native module support.\n   */\n  async *stream(\n    prompt: string,\n    config?: GenerationConfig\n  ): AsyncGenerator<StreamChunk> {\n    const start = Date.now();\n\n    // Generate full response (native streaming would yield real chunks)\n    const fullText = this.llm.generate(prompt, config);\n\n    // Simulate streaming by yielding words\n    const words = fullText.split(/(\\s+)/);\n    let accumulated = '';\n    let tokenCount = 0;\n\n    for (let i = 0; i < words.length; i++) {\n      accumulated += words[i];\n      tokenCount++;\n\n      // Yield every few tokens or at end\n      if (tokenCount % 3 === 0 || i === words.length - 1) {\n        yield {\n    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`stream-${Date.now()}-${Math.random().toString(36).slice(2)}`,\n      };\n\n      if (options.onComplete) {\n        options.onComplete(response);\n      }\n\n      return response;\n    } catch (error) {\n      if (options.onError) {\n        options.onError(error as Error);\n      }\n      throw error;\n    }\n  }\n\n  /**\n   * Collect stream into single response\n   */\n  async collect(prompt: string, config?: GenerationConfig): Promise<string> {\n    let result = '';\n    for await (const chunk of this.stream(prompt, config)) {\n      result = chunk.text; // Each chunk is cumulative\n    }\n    return result.trim();\n  }\n\n  private delay(ms: number): Promise<void> {\n    return new Promise(resolve => setTimeout(resolve, ms));\n  }\n}\n\n/**\n * Create a readable stream from response\n * (For Node.js stream compatibility)\n */\nexport function createReadableStream(\n  generator: AsyncGenerator<StreamChunk>\n): ReadableStream<string> {\n  return new ReadableStream({\n    async pull(controller) {\n      const { value, done } = await generator.next();\n      if (done) {\n        controller.close();\n      } else {\n        controller.enqueue(value.text);\n      }\n    },\n  });\n}\n"]}