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LibWeb+WebWorker: Convert Workers to use MessagePorts for postMessage

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This aligns Workers and Window and MessagePorts to all use the same
mechanism for transferring serialized messages across realms.

It also allows transferring more message ports into a worker.

Re-enable the Worker-echo test, as none of the MessagePort tests have
themselves been flaky, and those are now using the same underlying
implementation.
This commit is contained in:
Andrew Kaster 2023-12-20 13:47:01 -07:00 • committed by Andreas Kling
parent 37f2d49818
commit b10fee00eb
21 changed files with 159 additions and 222 deletions
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14
Tests/LibWeb/Text/input/Worker/worker.js
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@ -1,4 +1,14 @@
let extraPort = null;
onmessage = evt => {
postMessage(evt.data, null);
if (evt.ports.length > 0) {
extraPort = evt.ports[0];
extraPort.onmessage = evt => {
extraPort.postMessage("Extra Port got message: " + JSON.stringify(evt.data));
};
extraPort.postMessage("Worker got message port!");
} else {
postMessage(evt.data);
}
};
postMessage("loaded", null);
postMessage("loaded");