sc4/lib/threading/worker-thread.js

A command line utility for automating SimCity 4 modding tasks & modifying savegames

// # worker-thread.js
import { isMainThread, parentPort } from 'node:worker_threads';
// Helper function for running code inside a worker thread that takes care of 
// the task ids automatically. It also ensures that we can run both in the main 
// thread, as in the worker thread.
export default function workerThread(fn) {
    if (isMainThread) {
        return function (task) {
            return fn(task);
        };
    }
    else {
        parentPort.on('message', async ({ id, task }) => {
            let result = await fn(task);
            parentPort.postMessage({ id, type: 'result', result });
        });
    }
}