itowns/lib/Worker/LASLoaderWorker.js

A JS/WebGL framework for 3D geospatial data visualization

import { expose, Transfer } from 'threads/worker';
import LASLoader from "../Loader/LASLoader.js";
const loader = new LASLoader();
function transferable(attributes) {
  return Object.values(attributes).filter(ArrayBuffer.isView).map(a => a.buffer);
}
expose({
  lazPerf(path) {
    loader.lazPerf = path;
  },
  async parseChunk(data, options) {
    const result = await loader.parseChunk(data, options);
    return Transfer(result, transferable(result.attributes));
  },
  async parseFile(data, options) {
    const result = await loader.parseFile(data, options);
    return Transfer(result, transferable(result.attributes));
  }
});