text: /** ----------------------------------------
      Is
   ---------------------------------------- */
  
  /**
   * Check for a boolean value of a specific
   * key as passed as an argument. Will only
   * look for first layer of keys.
   *
   * @param { string } key - selected key
   * @returns { Needle } object - new instance
   */
  
  function is(key) {
      this._hasTrail();
      const filter = this._data.filter(item => item[key]);
      return this._chain(filter);
  }
  
  /** ----------------------------------------
      Exports
   ---------------------------------------- */
  
  export default is;