alisaza
e1eaf5eff5
Extract admin dashboard from ghabilee-frontend2 into a dedicated Next.js app for backoffice.ghabilee.ir (no SEO indexing / Clarity).
33 lines
1.0 KiB
TypeScript
33 lines
1.0 KiB
TypeScript
/**
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* Client-side unique id for list keys / draft rows / visitor ids.
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* Prefer Web Crypto when available; some non-secure contexts (e.g. http://LAN-IP)
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* expose `crypto` without `randomUUID`.
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*/
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export function createClientId(): string {
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const webCrypto = globalThis.crypto
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if (typeof webCrypto?.randomUUID === 'function') {
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return webCrypto.randomUUID()
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}
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if (typeof webCrypto?.getRandomValues === 'function') {
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const bytes = new Uint8Array(16)
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webCrypto.getRandomValues(bytes)
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// نسخه ۴ UUID
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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, (byte) => byte.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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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (char) => {
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const nibble = (Math.random() * 16) | 0
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const value = char === 'x' ? nibble : (nibble & 0x3) | 0x8
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return value.toString(16)
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})
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}
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