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var query = window.location.search;
var bc = new BroadcastChannel("bugSharedWorkerLiftetime" + query);
bc.onmessage = msgEvent => {
var msg = msgEvent.data;
var command = msg.command;
if (command == "postToWorker") {
postToWorker(msg.workerMessage);
} else if (command == "navigate") {
window.location = msg.location;
} else if (command == "finish") {
bc.postMessage({ command: "finished" });
bc.close();
window.close();
}
};
window.onload = () => {
bc.postMessage({ command: "loaded" });
};
function debug(message) {
if (typeof message != "string") {
throw new Error("debug() only accepts strings!");
}
bc.postMessage({ command: "debug", message });
}
let worker;
function postToWorker(msg) {
if (!worker) {
worker = new SharedWorker(
"multi_sharedWorker_sharedWorker.js",
"FrameWorker"
);
worker.onerror = function (error) {
debug("Worker error: " + error.message);
error.preventDefault();
let data = {
type: "error",
message: error.message,
filename: error.filename,
lineno: error.lineno,
isErrorEvent: error instanceof ErrorEvent,
};
bc.postMessage({ command: "fromWorker", workerMessage: data });
};
worker.port.onmessage = function (message) {
debug("Worker message: " + JSON.stringify(message.data));
bc.postMessage({ command: "fromWorker", workerMessage: message.data });
};
}
debug("Posting message: " + JSON.stringify(msg));
worker.port.postMessage(msg);
}
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