text: /**
   * @param {string} subString 
   * @returns {Boolean}
   */
  function has (subString) {
    if (!subString || typeof subString !== 'string') {
      throw new Error(`subString not found or has invalid type (not string)!`)
    }
  
    const hasSubString = this.includes(subString)
  
    return hasSubString
  }
  
  /* - Exports - */
  
  exports.has = has