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.

markAsUntransferable

external fun markAsUntransferable(value: Any)

Mark an object as not transferable. If object occurs in the transfer list of a port.postMessage() call, it is ignored.

moveMessagePortToContext

external fun moveMessagePortToContext(port: MessagePort, contextifiedSandbox: Context): MessagePort

Transfer a MessagePort to a different vm Context. The original port object is rendered unusable, and the returned MessagePort instance takes its place.

receiveMessageOnPort

external fun receiveMessageOnPort(port: MessagePort): ReceiveMessageOnPortResult?

Receive a single message from a given MessagePort. If no message is available,undefined is returned, otherwise an object with a single message property that contains the message payload, corresponding to the oldest message in the MessagePort's queue.

setEnvironmentData

external fun setEnvironmentData(key: Serializable, value: Serializable)

The worker.setEnvironmentData() API sets the content of worker.getEnvironmentData() in the current thread and all new Worker instances spawned from the current context.