5dc1750df7
Replace direct `crypto.randomUUID()` calls in the web dashboard with a `generateUUID()` utility that falls back to a manual UUID v4 implementation using `crypto.getRandomValues()` when `randomUUID` is unavailable (older Safari, some Electron builds, Raspberry Pi browsers). Closes #3303 Closes #3261 Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
28 lines
1.0 KiB
TypeScript
28 lines
1.0 KiB
TypeScript
/**
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* Generate a UUID v4 string.
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*
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* Uses `crypto.randomUUID()` when available (modern browsers, secure contexts)
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* and falls back to a manual implementation backed by `crypto.getRandomValues()`
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* for older browsers (e.g. Safari < 15.4, some Electron/Raspberry-Pi builds).
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*
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* Closes #3303, #3261.
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*/
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export function generateUUID(): 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: RFC 4122 version 4 UUID via getRandomValues
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// crypto must exist if we reached here (only randomUUID is missing)
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const c = globalThis.crypto;
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const bytes = new Uint8Array(16);
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c.getRandomValues(bytes);
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// Set version (4) and variant (10xx) bits per RFC 4122
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bytes[6] = (bytes[6]! & 0x0f) | 0x40;
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bytes[8] = (bytes[8]! & 0x3f) | 0x80;
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const hex = Array.from(bytes, (b) => b.toString(16).padStart(2, '0')).join('');
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return `${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`;
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}
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