kotlin-node/node.workerThreads/getEnvironmentData

getEnvironmentData

external fun getEnvironmentData(key: Serializable): Serializable(source)

Within a worker thread, worker.getEnvironmentData() returns a clone of data passed to the spawning thread's worker.setEnvironmentData(). Every new Worker receives its own copy of the environment data automatically.

const {
  Worker,
  isMainThread,
  setEnvironmentData,
  getEnvironmentData,
} = require('node:worker_threads');

if (isMainThread) {
  setEnvironmentData('Hello', 'World!');
  const worker = new Worker(__filename);
} else {
  console.log(getEnvironmentData('Hello'));  // Prints 'World!'.
}

Since

v15.12.0, v14.18.0

Parameters

key

Any arbitrary, cloneable JavaScript value that can be used as a {Map} key.