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29 lines
615 B
JavaScript
29 lines
615 B
JavaScript
let messagesReceived = 0;
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for (let i = 0; i < 4; i++) {
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const worker = new Worker(
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new URL("./workers/message_before_close.js", import.meta.url).href,
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{ type: "module", name: String(i) },
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);
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worker.addEventListener("message", () => {
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messagesReceived += 1;
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if (messagesReceived == 4) {
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console.log("received all 4 responses from the workers");
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}
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});
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worker.postMessage(i);
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}
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globalThis.addEventListener("unload", () => {
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if (messagesReceived !== 4) {
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console.log(
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"received only %d responses from the workers",
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messagesReceived,
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);
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}
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});
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export {};
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