@polygonjs/polygonjs/dist/src/core/loader/geometry/JSONDataLoader.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
import { Poly } from "../../../engine/Poly";
import { CoreBaseLoader } from "../_Base";
import { JSONDataParser } from "./JSONDataParser";
export class JsonDataLoader extends CoreBaseLoader {
  constructor(url, options = {}, _node) {
    super(url, _node);
    this._node = _node;
    this._parser = new JSONDataParser(options);
  }
  async load(success_callback, progress_callback, error_callback) {
    const url = this._urlToLoad();
    fetch(url).then(async (response) => {
      let json = await response.json();
      const dataKeysPrefix = this._parser.dataKeysPrefix();
      if (dataKeysPrefix != null && dataKeysPrefix != "") {
        json = this._parser.get_prefixed_json(json, dataKeysPrefix.split("."));
      }
      this._parser.setJSON(json);
      const object = this._parser.createObject();
      success_callback(object);
    }).catch((error) => {
      Poly.error("error", error);
      error_callback(error);
    });
  }
}