32 lines
803 B
TypeScript
32 lines
803 B
TypeScript
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// Unique ID generation utilities
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import { randomBytes } from 'crypto';
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const BASE62_CHARS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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/**
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* Generate a random base62 string of specified length.
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* Uses cryptographically secure random bytes.
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*/
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export function generateSessionId(length: number = 6): string {
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const bytes = randomBytes(length);
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let result = '';
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for (let i = 0; i < length; i++) {
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result += BASE62_CHARS[bytes[i] % BASE62_CHARS.length];
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}
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return result;
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}
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/**
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* Generate a UUID v4 for request IDs.
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*/
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export function generateRequestId(): string {
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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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