Created
May 7, 2026 16:45
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| /* | |
| based on: | |
| https://sqlpey.com/javascript/top-5-methods-to-generate-a-hash-from-a-string-in-javascript/#generating-a-hash-method-3-using-hexadecimal-output | |
| */ | |
| export const cyrb53Hex = (str: string, seed = 0) => { | |
| let h1 = 0xdeadbeef ^ seed, | |
| h2 = 0x41c6ce57 ^ seed | |
| for (let i = 0, ch; i < str.length; i++) { | |
| ch = str.charCodeAt(i) | |
| h1 = Math.imul(h1 ^ ch, 2654435761) | |
| h2 = Math.imul(h2 ^ ch, 1597334677) | |
| } | |
| h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) | |
| h1 ^= Math.imul(h2 ^ (h2 >>> 13), 3266489909) | |
| h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) | |
| h2 ^= Math.imul(h1 ^ (h1 >>> 13), 3266489909) | |
| return ((h2 >>> 0).toString(16).padStart(8, '0') + (h1 >>> 0).toString(16).padStart(8, '0')) | |
| } | |
| export const simpleStringHash = (str: string) => cyrb53Hex(str) | |
| export const simpleObjectHash = (value: unknown) => cyrb53Hex(JSON.stringify(value)) |
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