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import { gzipSync } from "bun";
import chalk from "chalk";

export function bytesToString(bytes: number, color: boolean = false): string {
  // I hate common trend of using SI for byte sizes. It's not bit-shiftable.
  const kB = 1_000;

  const num = bytes >= kB ? (bytes / kB).toFixed(2) : bytes.toString(10);
  const unit = bytes >= kB ? "kB" : "B";

  if (!color) {
    return num + unit;
  }

  return chalk.yellow(num) + chalk.cyan(unit);
}

export async function getGzipedSize(
  buf: ArrayBuffer | Uint8Array,
): Promise<number> {
  return gzipSync(buf instanceof Uint8Array ? buf : Buffer.from(buf))
    .byteLength;
}