node:worker_threads

#Import

import worker_threads from "nstdlib/worker_threads";

Note

Only the API surface is available. No threads. new Worker() throws.

Where it runs	Status	Export coverage	Details
nstd	– not measured	–	No report covers this environment.
Browser	❔ not tested	100% of Node.js	It imports with the small process shim. 21/21 Node.js exports are available. No module-specific behavior test ran.
Node.js (host)	⚠️ some support	100% of Node.js	21/21 exports.

Each cell shows what happens when code reads an export:

Export	Node.js	nstdlib	browser
`BroadcastChannel`	✅	✅	✅
`MessageChannel`	✅	✅	✅
`MessagePort`	✅	✅	✅
`SHARE_ENV`	✅	✅	✅
`Worker`	✅	✅	✅
`getEnvironmentData`	✅	✅	✅
`isInternalThread`	✅	✅	✅
`isMainThread`	✅	✅	✅
`isMarkedAsUntransferable`	✅	✅	✅
`locks`	✅	✅	✅
`markAsUncloneable`	✅	✅	✅
`markAsUntransferable`	✅	✅	✅
`moveMessagePortToContext`	✅	✅	✅
`parentPort`	✅	✅	✅
`postMessageToThread`	✅	✅	✅
`receiveMessageOnPort`	✅	✅	✅
`resourceLimits`	✅	✅	✅
`setEnvironmentData`	✅	✅	✅
`threadId`	✅	✅	✅
`threadName`	✅	✅	✅
`workerData`	✅	✅	✅

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