code: function downloadCodeModule(db, module, codePath) {
    const moduleName = module.replace(/^\/code\//, '').replace(/\/module$/, '');
    const fileName = `${moduleName}.js`;
    const filePath = path.join(codePath, fileName);
  
    return db.code.loadCode(moduleName, 'module', false)
      .then((file) => writeFile(filePath, file))
      .then(() => console.log(`Module ${moduleName} downloaded.`));
  }
docs: Downloads a single code module.
  
  @param {EntityManager} db The entity manager to use.
  @param {string} module The module to download.
  @param {string} codePath The path where code should be downloaded to.
  @return {Promise<void>} Resolves when downloading has been finished.