@axflow/models/dist/ollama/generation.js

Zero-dependency, modular SDK for building robust natural language applications

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/ollama/generation.ts
var generation_exports = {};
__export(generation_exports, {
  OllamaGeneration: () => OllamaGeneration
});
module.exports = __toCommonJS(generation_exports);
var import_shared = require("@axflow/models/shared");
var OLLAMA_URL = "http://127.0.0.1:11434/api/generate";
async function streamBytes(request, options) {
  const url = options.apiUrl || OLLAMA_URL;
  const body = JSON.stringify(request);
  const response = await (0, import_shared.POST)(url, {
    headers: options.headers || {},
    body,
    fetch: options.fetch,
    signal: options.signal
  });
  if (!response.body) {
    throw new import_shared.HttpError("Expected response body to be a ReadableStream", response);
  }
  return response.body;
}
function noop(chunk) {
  return chunk;
}
function chunkToToken(chunk) {
  if (!chunk.done) {
    return chunk.response;
  } else {
    return "";
  }
}
async function stream(request, options) {
  const byteStream = await streamBytes(request, options);
  return byteStream.pipeThrough(new OllamaDecoderStream(noop));
}
async function streamTokens(request, options) {
  const byteStream = await streamBytes(request, options);
  return byteStream.pipeThrough(new OllamaDecoderStream(chunkToToken));
}
var OllamaGeneration = class {
  static streamBytes = streamBytes;
  static stream = stream;
  static streamTokens = streamTokens;
};
var OllamaDecoderStream = class _OllamaDecoderStream extends TransformStream {
  static parseChunk(line) {
    line = line.trim();
    if (line.length === 0) {
      return null;
    }
    try {
      return JSON.parse(line);
    } catch (e) {
      throw new Error(`Malformed streaming data from Ollama: ${JSON.stringify(line)}`);
    }
  }
  static transformer(map) {
    let buffer = [];
    const decoder = new TextDecoder();
    return (bytes, controller) => {
      const chunk = decoder.decode(bytes);
      for (let i = 0, len = chunk.length; i < len; ++i) {
        const isSeparator = chunk[i] === "\n";
        if (!isSeparator) {
          buffer.push(chunk[i]);
          continue;
        }
        const parsedChunk = _OllamaDecoderStream.parseChunk(buffer.join(""));
        if (parsedChunk) {
          controller.enqueue(map(parsedChunk));
        }
        buffer = [];
      }
    };
  }
  constructor(map) {
    super({ transform: _OllamaDecoderStream.transformer(map) });
  }
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  OllamaGeneration
});