label-3d-points/public/js/text_file_loader.js

import {
  DefaultLoadingManager,
  FileLoader,
  LoaderUtils,
} from "./lib/three.module.js";

var TextFileLoader = function (manager) {
  this.manager = manager !== undefined ? manager : DefaultLoadingManager;
  this.littleEndian = true;
};

TextFileLoader.prototype = {
  constructor: TextFileLoader,

  load: function (url, onLoad, onProgress, onError) {
    var scope = this;

    var loader = new FileLoader(scope.manager);
    loader.setPath(scope.path);
    loader.setResponseType("arraybuffer");
    loader.load(
      url,
      function (data) {
        try {
          var textData = LoaderUtils.decodeText(new Uint8Array(data));
          onLoad(textData, url);
        } catch (e) {
          if (onError) {
            onError(e);
          } else {
            throw e;
          }
        }
      },
      onProgress,
      onError
    );
  },

  setPath: function (value) {
    this.path = value;
    return this;
  },
};

export { TextFileLoader };