16 lines
386 B
JavaScript
16 lines
386 B
JavaScript
module.exports = runAsync = fn => {
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const blob = `var fn = ${fn.toString()}; postMessage(fn());`;
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const worker = new Worker(
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URL.createObjectURL(new Blob([blob]), {
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type: 'application/javascript; charset=utf-8'
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})
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);
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return new Promise((res, rej) => {
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worker.onmessage = ({ data }) => {
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res(data), worker.terminate();
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};
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worker.onerror = err => {
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rej(err), worker.terminate();
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};
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});
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}; |