[Solved] Identify the error in this code snippet:import { Worker } from 'worker_threads'; const worker = new Worker('./worker.js', { data: { num: 5 } }); | Node.js

Node.js - Worker Threads

Identify the error in this code snippet:

import { Worker } from 'worker_threads';
const worker = new Worker('./worker.js', { data: { num: 5 } });

AMissing import of workerData in main thread

BThe path './worker.js' is incorrect

CWorker constructor requires a callback function

DThe option 'data' should be 'workerData'

Step-by-Step Solution

Solution:

Step 1: Check option names in Worker constructor
The correct option to pass data is 'workerData', not 'data'.
Step 2: Validate other parts
The path can be correct, Worker constructor does not require a callback, and workerData is imported in worker, not main thread.
Final Answer:
The option 'data' should be 'workerData' -> Option D
Quick Check:
Use workerData option to pass data [OK]

Quick Trick: Use workerData, not data, to pass initial data [OK]

Common Mistakes:

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