spacebar/api/src/util/utility/RandomInviteID.ts
2022-01-01 20:04:30 +03:00

33 lines
887 B
TypeScript

import { Snowflake } from "@fosscord/util";
export function random(length = 6) {
// Declare all characters
let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
// Pick characers randomly
let str = "";
for (let i = 0; i < length; i++) {
str += chars.charAt(Math.floor(Math.random() * chars.length));
}
return str;
}
export function snowflakeBasedInvite() {
// Declare all characters
let chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
let base = BigInt(chars.length);
let snowflake = Snowflake.generateWorkerProcess();
// snowflakes hold ~10.75 characters worth of entropy;
// safe to generate a 8-char invite out of them
let str = "";
for (let i=0; i < 10; i++) {
str.concat(chars.charAt(Number(snowflake % base)));
snowflake = snowflake / base;
}
return str.substr(3,8).split("").reverse().join("");
}