(function(Pitaya, window) {

  "use strict";

  var DOM = Pitaya.DOM = {};

  /**
   * Select an element in the DOM by its CSS selector
   *
   * @private
   * @param selector The CSS selector
   * @return The selected element or null
   */
   DOM.select = function(selector) {
    return window.document.querySelector(selector);
  };

  /**
   * Select all elements in the DOM with a CSS selector
   *
   * @private
   * @param selector The CSS selector
   * @return An array of the selected elements (if any)
   */
  DOM.selectAll = function(selector) {
    return window.document.querySelectorAll(selector);
  };

  /**
   * Find the closest ancestor matching the CSS selector
   *
   * @private
   * @param selector The CSS selector
   * @return An array of the selected elements (if any)
   */
  DOM.getClosestAncestor = function(el, selector) {

    var parent = el.parentElement;

    if(parent) {
      if(parent.matches(selector)) {
        return parent;
      } else {
        return DOM.getClosestAncestor(parent, selector);
      }
    }

    return false;

  };


}(window.Pitaya = window.Pitaya || {}, window));