mirror of
https://github.com/hi2shark/nazhua.git
synced 2026-01-14 16:20:44 +08:00
26 lines
802 B
JavaScript
26 lines
802 B
JavaScript
/* eslint-disable */
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export default () => {
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if (crypto?.randomUUID) {
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return crypto.randomUUID();
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}
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// Public Domain/MIT
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// Timestamp
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let d = new Date().getTime();
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// Time in microseconds since page-load or 0 if unsupported
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let d2 = ((typeof performance !== 'undefined') && performance.now && (performance.now() * 1000)) || 0;
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
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// random number between 0 and 16
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let r = Math.random() * 16;
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// Use timestamp until depleted
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if (d > 0) {
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r = (d + r) % 16 | 0;
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d = Math.floor(d / 16);
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} else {
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// Use microseconds since page-load if supported
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r = (d2 + r) % 16 | 0;
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d2 = Math.floor(d2 / 16);
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}
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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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