/** * Hashes the input string. This is a fast hash, so NOT good for cryptography. * This has been ripped off here: https://stackoverflow.com/a/52171480 * @param str The string that is to be hashed * @param seed A seed to randomize the result * @returns An hexadecimal string representation of the hashed input */ export function cyrb53(str: string, seed = 0): string { let h1 = 0xdeadbeef ^ seed; let 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) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909); h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909); return (4294967296 * (2097151 & h2) + (h1 >>> 0)).toString(16); }