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denoland-deno/tests/testdata/run/unstable_worker_options.js

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const scope = import.meta.url.slice(-7) === "#worker" ? "worker" : "main";
new Worker(`data:application/javascript;base64,${btoa(`postMessage("ok");`)}`, {
type: "module",
deno: {
permissions: {
read: true,
},
},
}).onmessage = ({ data }) => {
console.log(scope, data);
if (scope === "main") {
const worker = new Worker(`${import.meta.url}#worker`, { type: "module" });
worker.onmessage = () => Deno.exit(0);
} else {
postMessage("done");
}
};