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denoland-deno/cli/tests/testdata/worker_message_before_close.js
2022-06-15 12:26:43 -04:00

26 lines
630 B
JavaScript

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