delphirtl/dist/threadutils.js

RTL functions from Delphi

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.workerData = exports.parentPort = exports.Worker = exports.isMainThread = void 0;
exports.runInThread = runInThread;
const worker_threads_1 = require("worker_threads");
/**
 * Runs a function in a thread
 *
 * @template T
 * @param {() => T} fn The function to run in a thread
 * @returns {Promise<T>}
 * @category Threads
 */
async function runInThread(fn) {
    return new Promise((resolve, reject) => {
        const worker = new worker_threads_1.Worker(__filename, {
            workerData: { fn: fn.toString() }
        });
        worker.on('message', resolve);
        worker.on('error', reject);
        worker.on('exit', (code) => {
            if (code !== 0) {
                reject(new Error(`Worker stopped with exit code ${code}`));
            }
        });
    });
}
if (!worker_threads_1.isMainThread) {
    const { workerData } = require('worker_threads');
    const fn = new Function(`return (${workerData.fn})`)();
    worker_threads_1.parentPort?.postMessage(fn());
}
var worker_threads_2 = require("worker_threads");
Object.defineProperty(exports, "isMainThread", { enumerable: true, get: function () { return worker_threads_2.isMainThread; } });
Object.defineProperty(exports, "Worker", { enumerable: true, get: function () { return worker_threads_2.Worker; } });
Object.defineProperty(exports, "parentPort", { enumerable: true, get: function () { return worker_threads_2.parentPort; } });
Object.defineProperty(exports, "workerData", { enumerable: true, get: function () { return worker_threads_2.workerData; } });
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