worker.isInternalThread

• <boolean>

如果此代码在内部 Worker 线程（例如加载器线程）内运行，则为 true。

¥Is true if this code is running inside of an internal Worker thread (e.g the loader thread).

node --experimental-loader ./loader.js main.js 拷贝

// loader.js
const { isInternalThread } = require('node:worker_threads');
console.log(isInternalThread);  // true// loader.js
import { isInternalThread } from 'node:worker_threads';
console.log(isInternalThread);  // true拷贝

// main.js
const { isInternalThread } = require('node:worker_threads');
console.log(isInternalThread);  // false// main.js
import { isInternalThread } from 'node:worker_threads';
console.log(isInternalThread);  // false拷贝