internal/process/worker_thread_only.js

'use strict';

// This file contains process bootstrappers that can only be
// run in the worker thread.

const {
  codes: { ERR_WORKER_UNSUPPORTED_OPERATION }
} = require('internal/errors');

function unavailable(name) {
  function unavailableInWorker() {
    throw new ERR_WORKER_UNSUPPORTED_OPERATION(name);
  }

  unavailableInWorker.disabled = true;
  return unavailableInWorker;
}

module.exports = {
  unavailable
};