Function decode

packages/effect/src/internal/encoding/hex.ts:16–35

(str: string)

/** @internal */
export const decode = (str: string): Either.Either<Uint8Array, Encoding.DecodeException> => {
  const bytes = new TextEncoder().encode(str)
  if (bytes.length % 2 !== 0) {
    return Either.left(DecodeException(str, `Length must be a multiple of 2, but is ${bytes.length}`))
  }

  try {
    const length = bytes.length / 2
    const result = new Uint8Array(length)
    for (let i = 0; i < length; i++) {
      const a = fromHexChar(bytes[i * 2])
      const b = fromHexChar(bytes[i * 2 + 1])
      result[i] = (a << 4) | b
    }

    return Either.right(result)
  } catch (e) {
    return Either.left(DecodeException(str, e instanceof Error ? e.message : "Invalid input"))
  }
}

/** @internal */
const bytesToHex = [