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15 lines
501 B
JavaScript
15 lines
501 B
JavaScript
/*eslint no-bitwise:0 */
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// http://stackoverflow.com/a/8809472/17174
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export default function() {
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let d = new Date().getTime();
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if (window.performance && typeof window.performance.now === "function") {
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d += performance.now(); //use high-precision timer if available
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}
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return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, function(c) {
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const r = (d + Math.random() * 16) % 16 | 0;
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d = Math.floor(d / 16);
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return (c === "x" ? r : (r & 0x3) | 0x8).toString(16);
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});
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}
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