const isSharedWorker = | |
"SharedWorkerGlobalScope" in self && self instanceof SharedWorkerGlobalScope; | |
function setMessageHandler(response) { | |
onmessage = e => { | |
e.ports[0].postMessage(response); | |
}; | |
if (isSharedWorker) { | |
onconnect = e => { | |
e.ports[0].onmessage = onmessage; | |
}; | |
} | |
} | |
setMessageHandler("handler-before-throw"); | |
throw new Error("uncaught-exception"); | |
// This should never be called because of the uncaught exception above. | |
setMessageHandler("handler-after-throw"); |