| 2 | import { Worker } from "node:worker_threads"; |
| 3 | |
| 4 | function prng(seed, length) { |
| 5 | function fnv1a(str) { |
| 6 | let hash = 2166136261; |
| 7 | for (let i = 0; i < str.length; i++) { |
| 8 | hash ^= str.charCodeAt(i); |
| 9 | hash += |
| 10 | (hash << 1) + (hash << 4) + (hash << 7) + (hash << 8) + (hash << 24); |
| 11 | } |
| 12 | return hash >>> 0; |
| 13 | } |
| 14 | |
| 15 | let state = fnv1a(seed); |
| 16 | let result = ""; |
| 17 | |
| 18 | function next() { |
| 19 | state ^= state << 13; |
| 20 | state ^= state >>> 17; |
| 21 | state ^= state << 5; |
| 22 | return state >>> 0; |
| 23 | } |
| 24 | |
| 25 | while (result.length < length) { |
| 26 | const rnd = next(); |
| 27 | result += rnd.toString(16).padStart(8, "0"); |
| 28 | } |
| 29 | |
| 30 | return result.substring(0, length); |
| 31 | } |
| 32 | |
| 33 | const workerBlob = new Blob( |
| 34 | [ |