utils.ts

import { createLogger, format, transports } from "winston";

const logger = createLogger({
  level: "debug",
  transports: [
    new transports.Console({
      format: format.combine(format.colorize(), format.simple()),
    }),
    new transports.File({
      filename: "discord-embeds-reader-bot.log",
      format: format.combine(format.timestamp(), format.json()),
    }),
  ],
});

/**
 * @see https://stackoverflow.com/a/39914235/13805358
 */
async function sleep(ms) {
  return new Promise((resolve) => setTimeout(resolve, ms));
}

function unique<T>(arr: T[]): T[] {
  return Array.from(new Set(arr));
}

export { logger, sleep, unique };