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17 lines
500 B
TypeScript
17 lines
500 B
TypeScript
/**
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* Generate a UUID v4, with fallback for non-secure contexts (HTTP)
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* crypto.randomUUID() requires HTTPS or localhost
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*/
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export function uuid(): string {
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if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
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return crypto.randomUUID();
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}
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// Fallback for non-secure contexts
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
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const r = (Math.random() * 16) | 0;
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const v = c === 'x' ? r : (r & 0x3) | 0x8;
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return v.toString(16);
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});
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}
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