src/utils/bases.ts


1
2
3
4
5
6
7
8
9
10
11

export const bufferToBase = (buf: Uint8Array, base = 10): string => {
  if (base < 2 || base > 36) {
    throw new RangeError("Base must be between 2 and 36.");
  }

  const max = Math.ceil(8 / Math.log2(base)); // Math.log2(1 << 8) = 8

  return Array.from(buf, (byte) => byte.toString(base).padStart(max, "0")).join(
    "",
  );
};