itowns/lib/Worker/Potree2Worker.js

A JS/WebGL framework for 3D geospatial data visualization

import load from "../Loader/Potree2Loader.js";
import loadBrotli from "../Loader/Potree2BrotliLoader.js";
import { expose, Transfer } from 'threads/worker';
function transfer(buffer, data) {
  const transferables = [];
  Object.keys(data.attributeBuffers).forEach(property => {
    transferables.push(data.attributeBuffers[property].buffer);
  });
  transferables.push(buffer);
  return transferables;
}
expose({
  async parse(buffer, options) {
    const data = await load(buffer, options);
    return Transfer(data, transfer(buffer, data));
  },
  async parseBrotli(buffer, options) {
    const data = await loadBrotli(buffer, options);
    return Transfer(data, transfer(buffer, data));
  }
});