Method parseSizeToBytes

src/Utils.js:554–578

* Parses a human-readable size string into a byte count. * @param {number | string} size - A number (floored to an integer), a numeric string * (treated as bytes), or a string with a unit suffix: `b`, `kb`, `mb`, `gb` * (case-insensitive). Examples: `'20mb'`, `'512kb'`, `'1.5gb'`, `1048

(size)

   * @throws {Error} If the string does not match the expected format.
   */
  static parseSizeToBytes(size) {
    if (typeof size === 'number') {
      if (!Number.isFinite(size) || size < 0) {
        throw new Error(`Invalid size value: ${size}`);
      }
      return Math.floor(size);
    }
    const str = String(size).trim().toLowerCase();
    const match = str.match(/^(\d+(?:\.\d+)?)\s*(b|kb|mb|gb)?$/);
    if (!match) {
      throw new Error(`Invalid size value: ${size}`);
    }
    const num = parseFloat(match[1]);
    const unit = match[2];
    switch (unit) {
      case 'kb':
        return Math.floor(num * 1024);
      case 'mb':
        return Math.floor(num * 1024 * 1024);
      case 'gb':
        return Math.floor(num * 1024 * 1024 * 1024);
      default:
        return Math.floor(num);
    }
  }
}

module.exports = Utils;