mirror of
https://github.com/supabase/supabase.git
synced 2026-10-19 16:19:10 +03:00
Change generateDeterministicUuid to be browser-compatible.
This commit is contained in:
1 parent
fcd97979e5
commit
7ccfdc1bf8
1 file changed
+17
-6
@@ -1,4 +1,3 @@
|
||||
import crypto from 'crypto'
|
||||
import fs from 'fs/promises'
|
||||
import { compact } from 'lodash'
|
||||
import path from 'path'
|
||||
@@ -12,22 +11,34 @@ type DeepPartial<T> = T extends object
|
||||
: T
|
||||
|
||||
import { SNIPPETS_DIR } from './snippets.constants'
|
||||
|
||||
/**
|
||||
* Generates a deterministic UUID v4 from a string input
|
||||
* @param input - The string to generate a UUID from
|
||||
* @param inputs - The array of strings to generate a UUID from
|
||||
* @returns A deterministic UUID v4 string
|
||||
*/
|
||||
export function generateDeterministicUuid(inputs: (string | null)[]): string {
|
||||
const simpleHash = (str: string): number => {
|
||||
let hash = 0
|
||||
if (str.length === 0) return hash
|
||||
for (let i = 0; i < str.length; i++) {
|
||||
const char = str.charCodeAt(i)
|
||||
hash = (hash << 5) - hash + char
|
||||
hash = hash & hash // Convert to 32-bit integer
|
||||
}
|
||||
return Math.abs(hash)
|
||||
}
|
||||
|
||||
const input = compact(inputs).join('_')
|
||||
|
||||
// Create a hash of the input string
|
||||
const hash = crypto.createHash('sha256').update(input).digest()
|
||||
|
||||
// Create a deterministic random number generator using the hash as seed
|
||||
let seed = simpleHash(input)
|
||||
const rng = () => {
|
||||
const bytes = new Uint8Array(16)
|
||||
for (let i = 0; i < 16; i++) {
|
||||
bytes[i] = hash[i % hash.length]
|
||||
// Simple LCG (Linear Congruential Generator) for deterministic randomness
|
||||
seed = (seed * 1103515245 + 12345) & 0x7fffffff
|
||||
bytes[i] = (seed >>> 16) & 0xff
|
||||
}
|
||||
return Array.from(bytes)
|
||||
}
|
||||
|
||||
Reference in new issue
Block a user