junaidulqayyumqureshi/Code Snippets

Created April 14, 2020 06:00

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Code Snippets

Code snippets which I use more often in projects

Author

junaidulqayyumqureshi commented Mar 13, 2023 •

edited

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NodeJS Worker Threads

main.js

const { Worker } = require('worker_threads');
const worker = new Worker('./wthread.js');
worker.on('message', (msg) => {
    console.log(`Msg: ${JSON.stringify(msg)}`);
});
// worker.on('error', reject);
worker.on('exit', (code) => {
    if (code !== 0)
        throw new Error(`stopped with  ${code} exit code`)
})

wthread.js

const { workerData, parentPort } = require('worker_threads')

parentPort.postMessage({ "StartedAt": workerData })
------ Code Logic ------
parentPort.postMessage({ result: result })

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