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zazaulola/worker.js

Created July 20, 2024 05:31
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Create local worker without HTTP request
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worker.js
export function createWorker(callable) {
const code = `(${callable.toString()})()`;
const blob = new Blob([code], { type: 'text/javascript' });
const url = URL.createObjectURL(blob);
const worker = new Worker(url);
URL.revokeObjectURL(url);
return worker;
}
export function executeWorker(callable, data) {
return new Promise((res) => {
const worker = createWorker(callable);
worker.postMessage(data);
worker.onmessage = ({ data }) => {
worker.terminate();
res(data);
};
});
}
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