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<!doctype html>
<script>
const baseLocation = window.location;
const workerScript =
`self.onmessage = async (e) => {
const url = new URL(e.data, '${baseLocation}').href;
const response = await fetch(url);
const text = await response.text();
self.postMessage(text);
};`;
const blob = new Blob([workerScript], { type: 'text/javascript' });
const blobUrl = URL.createObjectURL(blob);
const worker = new Worker(blobUrl);
function fetch_in_worker(url) {
return new Promise((resolve) => {
worker.onmessage = (e) => resolve(e.data);
worker.postMessage(url);
});
}
</script>