Method #decodeDouble

packages/client/lib/RESP/decoder.ts:336–355

(type, chunk)

  }

  #decodeDouble(type, chunk) {
    if (type === String) {
      return this.#decodeSimpleString(String, chunk);
    }

    switch (chunk[this.#cursor]) {
      case ASCII.n:
        this.#cursor += 5; // skip nan\r\n
        return NaN;

      case ASCII['+']:
        return this.#maybeDecodeDoubleInteger(false, chunk);

      case ASCII['-']:
        return this.#maybeDecodeDoubleInteger(true, chunk);

      default:
        return this.#decodeDoubleInteger(false, 0, chunk);
    }
  }

  #maybeDecodeDoubleInteger(isNegative, chunk) {
    return ++this.#cursor === chunk.length ?