echogarden/dist/server/WorkerStarter.js

An easy-to-use speech toolset. Includes tools for synthesis, recognition, alignment, speech translation, language detection, source separation and more.

import { isMainThread, parentPort } from 'node:worker_threads';
import { sendMessageToWorker, addListenerToWorkerMessages, startMessageChannel } from './Worker.js';
import { OpenPromise } from '../utilities/OpenPromise.js';
async function startIfInWorkerThread() {
    if (isMainThread || !parentPort) {
        return;
    }
    startMessageChannel();
    addListenerToWorkerMessages((message) => {
        parentPort?.postMessage(message);
    });
    const initOpenPromise = new OpenPromise();
    parentPort.once('message', (message) => {
        if (message.name == 'init') {
            process.stderr.isTTY = message.stdErrIsTTY;
            process.stderr.hasColors = () => message.hasColors;
            process.stderr.write = (text) => {
                parentPort.postMessage({ name: 'writeToStdErr', text });
                return true;
            };
            initOpenPromise.resolve();
        }
    });
    await initOpenPromise.promise;
    parentPort.on('message', (message) => {
        sendMessageToWorker(message);
    });
}
// Start worker if running in worker thread
startIfInWorkerThread();
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