/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */

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);
var loader_exports = {};
__export(loader_exports, {
  DocumentLoader: () => DocumentLoader
});
module.exports = __toCommonJS(loader_exports);
var import_constants = require("./constants");
var import_utils = require("./utils");
var import_ai = require("@nocobase/ai");
class DocumentLoader {
  constructor(fileManager) {
    this.fileManager = fileManager;
  }
  async load(file) {
    const extname = (0, import_utils.resolveExtname)(file);
    if (!import_constants.SUPPORTED_DOCUMENT_EXTNAMES.includes(extname)) {
      return [];
    }
    const { stream, contentType } = await this.fileManager.getFileStream(file);
    const blob = await this.streamToBlob(stream, contentType ?? file.mimetype);
    return await (0, import_ai.loadByWorker)(extname, blob);
  }
  async streamToBlob(stream, mimeType = "application/octet-stream") {
    const chunks = [];
    for await (const chunk of stream) {
      chunks.push(chunk);
    }
    return new Blob(chunks, { type: mimeType });
  }
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  DocumentLoader
});
