iceshrimp-legacy/packages/backend/src/misc/id/meidg.ts
ThatOneCalculator 6b00abf05c
refactor: 🎨 rome
2023-01-12 20:40:33 -08:00

29 lines
527 B
TypeScript

const CHARS = "0123456789abcdef";
// 4bit Fixed hex value 'g'
// 44bit UNIX Time ms in Hex
// 48bit Random value in Hex
function getTime(time: number) {
if (time < 0) time = 0;
if (time === 0) {
return CHARS[0];
}
return time.toString(16).padStart(11, CHARS[0]);
}
function getRandom() {
let str = "";
for (let i = 0; i < 12; i++) {
str += CHARS[Math.floor(Math.random() * CHARS.length)];
}
return str;
}
export function genMeidg(date: Date): string {
return `g${getTime(date.getTime())}${getRandom()}`;
}