(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global = global || self, global.glightbox = factory());
}(this, (function () { 'use strict';

  function _typeof(obj) {
    "@babel/helpers - typeof";

    if (typeof symbol === "function" && typeof symbol.iterator === "symbol") {
      _typeof = function (obj) {
        return typeof obj;
      };
    } else {
      _typeof = function (obj) {
        return obj && typeof symbol === "function" && obj.constructor === symbol && obj !== symbol.prototype ? "symbol" : typeof obj;
      };
    }

    return _typeof(obj);
  }

  function _classcallcheck(instance, constructor) {
    if (!(instance instanceof constructor)) {
      throw new typeerror("cannot call a class as a function");
    }
  }

  function _defineproperties(target, props) {
    for (var i = 0; i < props.length; i++) {
      var descriptor = props[i];
      descriptor.enumerable = descriptor.enumerable || false;
      descriptor.configurable = true;
      if ("value" in descriptor) descriptor.writable = true;
      object.defineproperty(target, descriptor.key, descriptor);
    }
  }

  function _createclass(constructor, protoprops, staticprops) {
    if (protoprops) _defineproperties(constructor.prototype, protoprops);
    if (staticprops) _defineproperties(constructor, staticprops);
    return constructor;
  }

  function _toconsumablearray(arr) {
    return _arraywithoutholes(arr) || _iterabletoarray(arr) || _unsupportediterabletoarray(arr) || _noniterablespread();
  }

  function _arraywithoutholes(arr) {
    if (array.isarray(arr)) return _arrayliketoarray(arr);
  }

  function _iterabletoarray(iter) {
    if (typeof symbol !== "undefined" && symbol.iterator in object(iter)) return array.from(iter);
  }

  function _unsupportediterabletoarray(o, minlen) {
    if (!o) return;
    if (typeof o === "string") return _arrayliketoarray(o, minlen);
    var n = object.prototype.tostring.call(o).slice(8, -1);
    if (n === "object" && o.constructor) n = o.constructor.name;
    if (n === "map" || n === "set") return array.from(o);
    if (n === "arguments" || /^(?:ui|i)nt(?:8|16|32)(?:clamped)?array$/.test(n)) return _arrayliketoarray(o, minlen);
  }

  function _arrayliketoarray(arr, len) {
    if (len == null || len > arr.length) len = arr.length;

    for (var i = 0, arr2 = new array(len); i < len; i++) arr2[i] = arr[i];

    return arr2;
  }

  function _noniterablespread() {
    throw new typeerror("invalid attempt to spread non-iterable instance.\nin order to be iterable, non-array objects must have a [symbol.iterator]() method.");
  }

  function getlen(v) {
    return math.sqrt(v.x * v.x + v.y * v.y);
  }

  function dot(v1, v2) {
    return v1.x * v2.x + v1.y * v2.y;
  }

  function getangle(v1, v2) {
    var mr = getlen(v1) * getlen(v2);
    if (mr === 0) return 0;
    var r = dot(v1, v2) / mr;
    if (r > 1) r = 1;
    return math.acos(r);
  }

  function cross(v1, v2) {
    return v1.x * v2.y - v2.x * v1.y;
  }

  function getrotateangle(v1, v2) {
    var angle = getangle(v1, v2);

    if (cross(v1, v2) > 0) {
      angle *= -1;
    }

    return angle * 180 / math.pi;
  }

  var eventshandleradmin = function () {
    function eventshandleradmin(el) {
      _classcallcheck(this, eventshandleradmin);

      this.handlers = [];
      this.el = el;
    }

    _createclass(eventshandleradmin, [{
      key: "add",
      value: function add(handler) {
        this.handlers.push(handler);
      }
    }, {
      key: "del",
      value: function del(handler) {
        if (!handler) this.handlers = [];

        for (var i = this.handlers.length; i >= 0; i--) {
          if (this.handlers[i] === handler) {
            this.handlers.splice(i, 1);
          }
        }
      }
    }, {
      key: "dispatch",
      value: function dispatch() {
        for (var i = 0, len = this.handlers.length; i < len; i++) {
          var handler = this.handlers[i];
          if (typeof handler === 'function') handler.apply(this.el, arguments);
        }
      }
    }]);

    return eventshandleradmin;
  }();

  function wrapfunc(el, handler) {
    var eventshandleradmin = new eventshandleradmin(el);
    eventshandleradmin.add(handler);
    return eventshandleradmin;
  }

  var touchevents = function () {
    function touchevents(el, option) {
      _classcallcheck(this, touchevents);

      this.element = typeof el == 'string' ? document.queryselector(el) : el;
      this.start = this.start.bind(this);
      this.move = this.move.bind(this);
      this.end = this.end.bind(this);
      this.cancel = this.cancel.bind(this);
      this.element.addeventlistener("touchstart", this.start, false);
      this.element.addeventlistener("touchmove", this.move, false);
      this.element.addeventlistener("touchend", this.end, false);
      this.element.addeventlistener("touchcancel", this.cancel, false);
      this.prev = {
        x: null,
        y: null
      };
      this.pinchstartlen = null;
      this.zoom = 1;
      this.isdoubletap = false;

      var noop = function noop() {};

      this.rotate = wrapfunc(this.element, option.rotate || noop);
      this.touchstart = wrapfunc(this.element, option.touchstart || noop);
      this.multipointstart = wrapfunc(this.element, option.multipointstart || noop);
      this.multipointend = wrapfunc(this.element, option.multipointend || noop);
      this.pinch = wrapfunc(this.element, option.pinch || noop);
      this.swipe = wrapfunc(this.element, option.swipe || noop);
      this.tap = wrapfunc(this.element, option.tap || noop);
      this.doubletap = wrapfunc(this.element, option.doubletap || noop);
      this.longtap = wrapfunc(this.element, option.longtap || noop);
      this.singletap = wrapfunc(this.element, option.singletap || noop);
      this.pressmove = wrapfunc(this.element, option.pressmove || noop);
      this.twofingerpressmove = wrapfunc(this.element, option.twofingerpressmove || noop);
      this.touchmove = wrapfunc(this.element, option.touchmove || noop);
      this.touchend = wrapfunc(this.element, option.touchend || noop);
      this.touchcancel = wrapfunc(this.element, option.touchcancel || noop);
      this._cancelallhandler = this.cancelall.bind(this);
      window.addeventlistener('scroll', this._cancelallhandler);
      this.delta = null;
      this.last = null;
      this.now = null;
      this.taptimeout = null;
      this.singletaptimeout = null;
      this.longtaptimeout = null;
      this.swipetimeout = null;
      this.x1 = this.x2 = this.y1 = this.y2 = null;
      this.pretapposition = {
        x: null,
        y: null
      };
    }

    _createclass(touchevents, [{
      key: "start",
      value: function start(evt) {
        if (!evt.touches) return;
        this.now = date.now();
        this.x1 = evt.touches[0].pagex;
        this.y1 = evt.touches[0].pagey;
        this.delta = this.now - (this.last || this.now);
        this.touchstart.dispatch(evt, this.element);

        if (this.pretapposition.x !== null) {
          this.isdoubletap = this.delta > 0 && this.delta <= 250 && math.abs(this.pretapposition.x - this.x1) < 30 && math.abs(this.pretapposition.y - this.y1) < 30;
          if (this.isdoubletap) cleartimeout(this.singletaptimeout);
        }

        this.pretapposition.x = this.x1;
        this.pretapposition.y = this.y1;
        this.last = this.now;
        var prev = this.prev,
            len = evt.touches.length;

        if (len > 1) {
          this._cancellongtap();

          this._cancelsingletap();

          var v = {
            x: evt.touches[1].pagex - this.x1,
            y: evt.touches[1].pagey - this.y1
          };
          prev.x = v.x;
          prev.y = v.y;
          this.pinchstartlen = getlen(prev);
          this.multipointstart.dispatch(evt, this.element);
        }

        this._preventtap = false;
        this.longtaptimeout = settimeout(function () {
          this.longtap.dispatch(evt, this.element);
          this._preventtap = true;
        }.bind(this), 750);
      }
    }, {
      key: "move",
      value: function move(evt) {
        if (!evt.touches) return;
        var prev = this.prev,
            len = evt.touches.length,
            currentx = evt.touches[0].pagex,
            currenty = evt.touches[0].pagey;
        this.isdoubletap = false;

        if (len > 1) {
          var scurrentx = evt.touches[1].pagex,
              scurrenty = evt.touches[1].pagey;
          var v = {
            x: evt.touches[1].pagex - currentx,
            y: evt.touches[1].pagey - currenty
          };

          if (prev.x !== null) {
            if (this.pinchstartlen > 0) {
              evt.zoom = getlen(v) / this.pinchstartlen;
              this.pinch.dispatch(evt, this.element);
            }

            evt.angle = getrotateangle(v, prev);
            this.rotate.dispatch(evt, this.element);
          }

          prev.x = v.x;
          prev.y = v.y;

          if (this.x2 !== null && this.sx2 !== null) {
            evt.deltax = (currentx - this.x2 + scurrentx - this.sx2) / 2;
            evt.deltay = (currenty - this.y2 + scurrenty - this.sy2) / 2;
          } else {
            evt.deltax = 0;
            evt.deltay = 0;
          }

          this.twofingerpressmove.dispatch(evt, this.element);
          this.sx2 = scurrentx;
          this.sy2 = scurrenty;
        } else {
          if (this.x2 !== null) {
            evt.deltax = currentx - this.x2;
            evt.deltay = currenty - this.y2;
            var movedx = math.abs(this.x1 - this.x2),
                movedy = math.abs(this.y1 - this.y2);

            if (movedx > 10 || movedy > 10) {
              this._preventtap = true;
            }
          } else {
            evt.deltax = 0;
            evt.deltay = 0;
          }

          this.pressmove.dispatch(evt, this.element);
        }

        this.touchmove.dispatch(evt, this.element);

        this._cancellongtap();

        this.x2 = currentx;
        this.y2 = currenty;

        if (len > 1) {
          evt.preventdefault();
        }
      }
    }, {
      key: "end",
      value: function end(evt) {
        if (!evt.changedtouches) return;

        this._cancellongtap();

        var self = this;

        if (evt.touches.length < 2) {
          this.multipointend.dispatch(evt, this.element);
          this.sx2 = this.sy2 = null;
        }

        if (this.x2 && math.abs(this.x1 - this.x2) > 30 || this.y2 && math.abs(this.y1 - this.y2) > 30) {
          evt.direction = this._swipedirection(this.x1, this.x2, this.y1, this.y2);
          this.swipetimeout = settimeout(function () {
            self.swipe.dispatch(evt, self.element);
          }, 0);
        } else {
          this.taptimeout = settimeout(function () {
            if (!self._preventtap) {
              self.tap.dispatch(evt, self.element);
            }

            if (self.isdoubletap) {
              self.doubletap.dispatch(evt, self.element);
              self.isdoubletap = false;
            }
          }, 0);

          if (!self.isdoubletap) {
            self.singletaptimeout = settimeout(function () {
              self.singletap.dispatch(evt, self.element);
            }, 250);
          }
        }

        this.touchend.dispatch(evt, this.element);
        this.prev.x = 0;
        this.prev.y = 0;
        this.zoom = 1;
        this.pinchstartlen = null;
        this.x1 = this.x2 = this.y1 = this.y2 = null;
      }
    }, {
      key: "cancelall",
      value: function cancelall() {
        this._preventtap = true;
        cleartimeout(this.singletaptimeout);
        cleartimeout(this.taptimeout);
        cleartimeout(this.longtaptimeout);
        cleartimeout(this.swipetimeout);
      }
    }, {
      key: "cancel",
      value: function cancel(evt) {
        this.cancelall();
        this.touchcancel.dispatch(evt, this.element);
      }
    }, {
      key: "_cancellongtap",
      value: function _cancellongtap() {
        cleartimeout(this.longtaptimeout);
      }
    }, {
      key: "_cancelsingletap",
      value: function _cancelsingletap() {
        cleartimeout(this.singletaptimeout);
      }
    }, {
      key: "_swipedirection",
      value: function _swipedirection(x1, x2, y1, y2) {
        return math.abs(x1 - x2) >= math.abs(y1 - y2) ? x1 - x2 > 0 ? 'left' : 'right' : y1 - y2 > 0 ? 'up' : 'down';
      }
    }, {
      key: "on",
      value: function on(evt, handler) {
        if (this[evt]) {
          this[evt].add(handler);
        }
      }
    }, {
      key: "off",
      value: function off(evt, handler) {
        if (this[evt]) {
          this[evt].del(handler);
        }
      }
    }, {
      key: "destroy",
      value: function destroy() {
        if (this.singletaptimeout) cleartimeout(this.singletaptimeout);
        if (this.taptimeout) cleartimeout(this.taptimeout);
        if (this.longtaptimeout) cleartimeout(this.longtaptimeout);
        if (this.swipetimeout) cleartimeout(this.swipetimeout);
        this.element.removeeventlistener("touchstart", this.start);
        this.element.removeeventlistener("touchmove", this.move);
        this.element.removeeventlistener("touchend", this.end);
        this.element.removeeventlistener("touchcancel", this.cancel);
        this.rotate.del();
        this.touchstart.del();
        this.multipointstart.del();
        this.multipointend.del();
        this.pinch.del();
        this.swipe.del();
        this.tap.del();
        this.doubletap.del();
        this.longtap.del();
        this.singletap.del();
        this.pressmove.del();
        this.twofingerpressmove.del();
        this.touchmove.del();
        this.touchend.del();
        this.touchcancel.del();
        this.prev = this.pinchstartlen = this.zoom = this.isdoubletap = this.delta = this.last = this.now = this.taptimeout = this.singletaptimeout = this.longtaptimeout = this.swipetimeout = this.x1 = this.x2 = this.y1 = this.y2 = this.pretapposition = this.rotate = this.touchstart = this.multipointstart = this.multipointend = this.pinch = this.swipe = this.tap = this.doubletap = this.longtap = this.singletap = this.pressmove = this.touchmove = this.touchend = this.touchcancel = this.twofingerpressmove = null;
        window.removeeventlistener('scroll', this._cancelallhandler);
        return null;
      }
    }]);

    return touchevents;
  }();

  var zoomimages = function () {
    function zoomimages(el, slide) {
      var _this = this;

      var onclose = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;

      _classcallcheck(this, zoomimages);

      this.img = el;
      this.slide = slide;
      this.onclose = onclose;

      if (this.img.setzoomevents) {
        return false;
      }

      this.active = false;
      this.zoomedin = false;
      this.dragging = false;
      this.currentx = null;
      this.currenty = null;
      this.initialx = null;
      this.initialy = null;
      this.xoffset = 0;
      this.yoffset = 0;
      this.img.addeventlistener('mousedown', function (e) {
        return _this.dragstart(e);
      }, false);
      this.img.addeventlistener('mouseup', function (e) {
        return _this.dragend(e);
      }, false);
      this.img.addeventlistener('mousemove', function (e) {
        return _this.drag(e);
      }, false);
      this.img.addeventlistener('click', function (e) {
        if (!_this.zoomedin) {
          return _this.zoomin();
        }

        if (_this.zoomedin && !_this.dragging) {
          _this.zoomout();
        }
      }, false);
      this.img.setzoomevents = true;
    }

    _createclass(zoomimages, [{
      key: "zoomin",
      value: function zoomin() {
        var winwidth = this.widowwidth();

        if (this.zoomedin || winwidth <= 768) {
          return;
        }

        var img = this.img;
        img.setattribute('data-style', img.getattribute('style'));
        img.style.maxwidth = img.naturalwidth + 'px';
        img.style.maxheight = img.naturalheight + 'px';

        if (img.naturalwidth > winwidth) {
          var centerx = winwidth / 2 - img.naturalwidth / 2;
          this.settranslate(this.img.parentnode, centerx, 0);
        }

        this.slide.classlist.add('zoomed');
        this.zoomedin = true;
      }
    }, {
      key: "zoomout",
      value: function zoomout() {
        this.img.parentnode.setattribute('style', '');
        this.img.setattribute('style', this.img.getattribute('data-style'));
        this.slide.classlist.remove('zoomed');
        this.zoomedin = false;
        this.currentx = null;
        this.currenty = null;
        this.initialx = null;
        this.initialy = null;
        this.xoffset = 0;
        this.yoffset = 0;

        if (this.onclose && typeof this.onclose == 'function') {
          this.onclose();
        }
      }
    }, {
      key: "dragstart",
      value: function dragstart(e) {
        e.preventdefault();

        if (!this.zoomedin) {
          this.active = false;
          return;
        }

        if (e.type === "touchstart") {
          this.initialx = e.touches[0].clientx - this.xoffset;
          this.initialy = e.touches[0].clienty - this.yoffset;
        } else {
          this.initialx = e.clientx - this.xoffset;
          this.initialy = e.clienty - this.yoffset;
        }

        if (e.target === this.img) {
          this.active = true;
          this.img.classlist.add('dragging');
        }
      }
    }, {
      key: "dragend",
      value: function dragend(e) {
        var _this2 = this;

        e.preventdefault();
        this.initialx = this.currentx;
        this.initialy = this.currenty;
        this.active = false;
        settimeout(function () {
          _this2.dragging = false;
          _this2.img.isdragging = false;

          _this2.img.classlist.remove('dragging');
        }, 100);
      }
    }, {
      key: "drag",
      value: function drag(e) {
        if (this.active) {
          e.preventdefault();

          if (e.type === 'touchmove') {
            this.currentx = e.touches[0].clientx - this.initialx;
            this.currenty = e.touches[0].clienty - this.initialy;
          } else {
            this.currentx = e.clientx - this.initialx;
            this.currenty = e.clienty - this.initialy;
          }

          this.xoffset = this.currentx;
          this.yoffset = this.currenty;
          this.img.isdragging = true;
          this.dragging = true;
          this.settranslate(this.img, this.currentx, this.currenty);
        }
      }
    }, {
      key: "onmove",
      value: function onmove(e) {
        if (!this.zoomedin) {
          return;
        }

        var xoffset = e.clientx - this.img.naturalwidth / 2;
        var yoffset = e.clienty - this.img.naturalheight / 2;
        this.settranslate(this.img, xoffset, yoffset);
      }
    }, {
      key: "settranslate",
      value: function settranslate(node, xpos, ypos) {
        node.style.transform = "translate3d(" + xpos + "px, " + ypos + "px, 0)";
      }
    }, {
      key: "widowwidth",
      value: function widowwidth() {
        return window.innerwidth || document.documentelement.clientwidth || document.body.clientwidth;
      }
    }]);

    return zoomimages;
  }();

  var ismobile = 'navigator' in window && window.navigator.useragent.match(/(ipad)|(iphone)|(ipod)|(android)|(playbook)|(bb10)|(blackberry)|(opera mini)|(iemobile)|(webos)|(meego)/i);
  var istouch = ismobile !== null || document.createtouch !== undefined || 'ontouchstart' in window || 'onmsgesturechange' in window || navigator.msmaxtouchpoints;
  var html = document.getelementsbytagname('html')[0];
  var transitionend = whichtransitionevent();
  var animationend = whichanimationevent();
  var uid = date.now();
  var videoplayers = {};
  var defaults = {
    selector: '.glightbox',
    elements: null,
    skin: 'clean',
    closebutton: true,
    startat: null,
    autoplayvideos: true,
    descposition: 'bottom',
    width: '900px',
    height: '506px',
    videoswidth: '960px',
    beforeslidechange: null,
    afterslidechange: null,
    beforeslideload: null,
    afterslideload: null,
    slideinserted: null,
    slideremoved: null,
    onopen: null,
    onclose: null,
    loop: false,
    touchnavigation: true,
    touchfollowaxis: true,
    keyboardnavigation: true,
    closeonoutsideclick: true,
    plyr: {
      css: 'https://cdn.plyr.io/3.5.6/plyr.css',
      js: 'https://cdn.plyr.io/3.5.6/plyr.js',
      config: {
        ratio: '16:9',
        youtube: {
          nocookie: true,
          rel: 0,
          showinfo: 0,
          iv_load_policy: 3
        },
        vimeo: {
          byline: false,
          portrait: false,
          title: false,
          transparent: false
        }
      }
    },
    openeffect: 'zoomin',
    closeeffect: 'zoomout',
    slideeffect: 'slide',
    moretext: 'see more',
    morelength: 60,
    lightboxhtml: '',
    cssefects: {
      fade: {
        "in": 'fadein',
        out: 'fadeout'
      },
      zoom: {
        "in": 'zoomin',
        out: 'zoomout'
      },
      slide: {
        "in": 'slideinright',
        out: 'slideoutleft'
      },
      slide_back: {
        "in": 'slideinleft',
        out: 'slideoutright'
      }
    },
    svg: {
      close: '<svg version="1.1" id="layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewbox="0 0 512 512" xml:space="preserve"><g><g><path d="m505.943,6.058c-8.077-8.077-21.172-8.077-29.249,0l6.058,476.693c-8.077,8.077-8.077,21.172,0,29.249c10.096,509.982,15.39,512,20.683,512c5.293,0,10.586-2.019,14.625-6.059l505.943,35.306c514.019,27.23,514.019,14.135,505.943,6.058z"/></g></g><g><g><path d="m505.942,476.694l35.306,6.059c-8.076-8.077-21.172-8.077-29.248,0c-8.077,8.076-8.077,21.171,0,29.248l470.636,470.636c4.038,4.039,9.332,6.058,14.625,6.058c5.293,0,10.587-2.019,14.624-6.057c514.018,497.866,514.018,484.771,505.942,476.694z"/></g></g></svg>',
      next: '<svg version="1.1" id="capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewbox="0 0 477.175 477.175" xml:space="preserve"> <g><path d="m360.731,229.075l-225.1-225.1c-5.3-5.3-13.8-5.3-19.1,0s-5.3,13.8,0,19.1l215.5,215.5l-215.5,215.5c-5.3,5.3-5.3,13.8,0,19.1c2.6,2.6,6.1,4,9.5,4c3.4,0,6.9-1.3,9.5-4l225.1-225.1c365.931,242.875,365.931,234.275,360.731,229.075z"/></g></svg>',
      prev: '<svg version="1.1" id="capa_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewbox="0 0 477.175 477.175" xml:space="preserve"><g><path d="m145.188,238.575l215.5-215.5c5.3-5.3,5.3-13.8,0-19.1s-13.8-5.3-19.1,0l-225.1,225.1c-5.3,5.3-5.3,13.8,0,19.1l225.1,225c2.6,2.6,6.1,4,9.5,4s6.9-1.3,9.5-4c5.3-5.3,5.3-13.8,0-19.1l145.188,238.575z"/></g></svg>'
    }
  };
  var lightboxslidehtml = "<div class=\"gslide\">\n    <div class=\"gslide-inner-content\">\n        <div class=\"ginner-container\">\n            <div class=\"gslide-media\">\n            </div>\n            <div class=\"gslide-description\">\n                <div class=\"gdesc-inner\">\n                    <h4 class=\"gslide-title\"></h4>\n                    <div class=\"gslide-desc\"></div>\n                </div>\n            </div>\n        </div>\n    </div>\n</div>";
  defaults.slidehtml = lightboxslidehtml;
  var lightboxhtml = "<div id=\"glightbox-body\" class=\"glightbox-container\">\n    <div class=\"gloader visible\"></div>\n    <div class=\"goverlay\"></div>\n    <div class=\"gcontainer\">\n    <div id=\"glightbox-slider\" class=\"gslider\"></div>\n    <button class=\"gnext gbtn\" tabindex=\"0\" aria-label=\"next\">{nextsvg}</button>\n    <button class=\"gprev gbtn\" tabindex=\"1\" aria-label=\"previous\">{prevsvg}</button>\n    <button class=\"gclose gbtn\" tabindex=\"2\" aria-label=\"close\">{closesvg}</button>\n</div>\n</div>";
  defaults.lightboxhtml = lightboxhtml;
  var singleslidedata = {
    href: '',
    title: '',
    type: '',
    description: '',
    descposition: '',
    effect: '',
    width: '',
    height: '',
    node: false,
    content: false
  };

  function extend() {
    var extended = {};
    var deep = true;
    var i = 0;
    var length = arguments.length;

    if (object.prototype.tostring.call(arguments[0]) === '[object boolean]') {
      deep = arguments[0];
      i++;
    }

    var merge = function merge(obj) {
      for (var prop in obj) {
        if (object.prototype.hasownproperty.call(obj, prop)) {
          if (deep && object.prototype.tostring.call(obj[prop]) === '[object object]') {
            extended[prop] = extend(true, extended[prop], obj[prop]);
          } else {
            extended[prop] = obj[prop];
          }
        }
      }
    };

    for (; i < length; i++) {
      var obj = arguments[i];
      merge(obj);
    }

    return extended;
  }

  var utils = {
    isfunction: function isfunction(f) {
      return typeof f === 'function';
    },
    isstring: function isstring(s) {
      return typeof s === 'string';
    },
    isnode: function isnode(el) {
      return !!(el && el.nodetype && el.nodetype == 1);
    },
    isarray: function isarray(ar) {
      return array.isarray(ar);
    },
    isarraylike: function isarraylike(ar) {
      return ar && ar.length && isfinite(ar.length);
    },
    isobject: function isobject(o) {
      var type = _typeof(o);

      return type === 'object' && o != null && !utils.isfunction(o) && !utils.isarray(o);
    },
    isnil: function isnil(o) {
      return o == null;
    },
    has: function has(obj, key) {
      return obj !== null && hasownproperty.call(obj, key);
    },
    size: function size(o) {
      if (utils.isobject(o)) {
        if (o.keys) {
          return o.keys().length;
        }

        var l = 0;

        for (var k in o) {
          if (utils.has(o, k)) {
            l++;
          }
        }

        return l;
      } else {
        return o.length;
      }
    },
    isnumber: function isnumber(n) {
      return !isnan(parsefloat(n)) && isfinite(n);
    }
  };

  function each(collection, callback) {
    if (utils.isnode(collection) || collection === window || collection === document) {
      collection = [collection];
    }

    if (!utils.isarraylike(collection) && !utils.isobject(collection)) {
      collection = [collection];
    }

    if (utils.size(collection) == 0) {
      return;
    }

    if (utils.isarraylike(collection) && !utils.isobject(collection)) {
      var l = collection.length,
          i = 0;

      for (; i < l; i++) {
        if (callback.call(collection[i], collection[i], i, collection) === false) {
          break;
        }
      }
    } else if (utils.isobject(collection)) {
      for (var key in collection) {
        if (utils.has(collection, key)) {
          if (callback.call(collection[key], collection[key], key, collection) === false) {
            break;
          }
        }
      }
    }
  }

  function getnodeevents(node) {
    var name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
    var fn = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
    var cache = node[uid] = node[uid] || [];
    var data = {
      all: cache,
      evt: null,
      found: null
    };

    if (name && fn && utils.size(cache) > 0) {
      each(cache, function (cl, i) {
        if (cl.eventname == name && cl.fn.tostring() == fn.tostring()) {
          data.found = true;
          data.evt = i;
          return false;
        }
      });
    }

    return data;
  }

  function addevent(eventname) {
    var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
        onelement = _ref.onelement,
        withcallback = _ref.withcallback,
        _ref$avoidduplicate = _ref.avoidduplicate,
        avoidduplicate = _ref$avoidduplicate === void 0 ? true : _ref$avoidduplicate,
        _ref$once = _ref.once,
        once = _ref$once === void 0 ? false : _ref$once,
        _ref$usecapture = _ref.usecapture,
        usecapture = _ref$usecapture === void 0 ? false : _ref$usecapture;

    var thisarg = arguments.length > 2 ? arguments[2] : undefined;
    var element = onelement || [];

    if (utils.isstring(element)) {
      element = document.queryselectorall(element);
    }

    function handler(event) {
      if (utils.isfunction(withcallback)) {
        withcallback.call(thisarg, event, this);
      }

      if (once) {
        handler.destroy();
      }
    }

    handler.destroy = function () {
      each(element, function (el) {
        var events = getnodeevents(el, eventname, handler);

        if (events.found) {
          events.all.splice(events.evt, 1);
        }

        if (el.removeeventlistener) el.removeeventlistener(eventname, handler, usecapture);
      });
    };

    each(element, function (el) {
      var events = getnodeevents(el, eventname, handler);

      if (el.addeventlistener && avoidduplicate && !events.found || !avoidduplicate) {
        el.addeventlistener(eventname, handler, usecapture);
        events.all.push({
          eventname: eventname,
          fn: handler
        });
      }
    });
    return handler;
  }

  function addclass(node, name) {
    each(name.split(' '), function (cl) {
      return node.classlist.add(cl);
    });
  }

  function removeclass(node, name) {
    each(name.split(' '), function (cl) {
      return node.classlist.remove(cl);
    });
  }

  function hasclass(node, name) {
    return node.classlist.contains(name);
  }

  function whichanimationevent() {
    var t,
        el = document.createelement("fakeelement");
    var animations = {
      animation: "animationend",
      oanimation: "oanimationend",
      mozanimation: "animationend",
      webkitanimation: "webkitanimationend"
    };

    for (t in animations) {
      if (el.style[t] !== undefined) {
        return animations[t];
      }
    }
  }

  function whichtransitionevent() {
    var t,
        el = document.createelement("fakeelement");
    var transitions = {
      transition: "transitionend",
      otransition: "otransitionend",
      moztransition: "transitionend",
      webkittransition: "webkittransitionend"
    };

    for (t in transitions) {
      if (el.style[t] !== undefined) {
        return transitions[t];
      }
    }
  }

  function animateelement(element) {
    var animation = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
    var callback = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

    if (!element || animation === '') {
      return false;
    }

    if (animation == 'none') {
      if (utils.isfunction(callback)) callback();
      return false;
    }

    var animationnames = animation.split(' ');
    each(animationnames, function (name) {
      addclass(element, 'g' + name);
    });
    addevent(animationend, {
      onelement: element,
      avoidduplicate: false,
      once: true,
      withcallback: function withcallback(event, target) {
        each(animationnames, function (name) {
          removeclass(target, 'g' + name);
        });
        if (utils.isfunction(callback)) callback();
      }
    });
  }

  function createhtml(htmlstr) {
    var frag = document.createdocumentfragment(),
        temp = document.createelement('div');
    temp.innerhtml = htmlstr;

    while (temp.firstchild) {
      frag.appendchild(temp.firstchild);
    }

    return frag;
  }

  function getclosest(elem, selector) {
    while (elem !== document.body) {
      elem = elem.parentelement;
      var matches = typeof elem.matches == 'function' ? elem.matches(selector) : elem.msmatchesselector(selector);
      if (matches) return elem;
    }
  }

  function show(element) {
    element.style.display = 'block';
  }

  function hide(element) {
    element.style.display = 'none';
  }

  function windowsize() {
    return {
      width: window.innerwidth || document.documentelement.clientwidth || document.body.clientwidth,
      height: window.innerheight || document.documentelement.clientheight || document.body.clientheight
    };
  }

  function handlemediafullscreen(event) {
    if (!hasclass(event.target, 'plyr--html5')) {
      return;
    }

    var media = getclosest(event.target, '.gslide-media');

    if (event.type == 'enterfullscreen') {
      addclass(media, 'fullscreen');
    }

    if (event.type == 'exitfullscreen') {
      removeclass(media, 'fullscreen');
    }
  }

  function checksize(size) {
    return utils.isnumber(size) ? "".concat(size, "px") : size;
  }

  function setsize(data, settings) {
    var defaultwith = data.type == 'video' ? checksize(settings.videoswidth) : checksize(settings.width);
    var defaultheight = checksize(settings.height);
    data.width = utils.has(data, 'width') && data.width !== '' ? checksize(data.width) : defaultwith;
    data.height = utils.has(data, 'height') && data.height !== '' ? checksize(data.height) : defaultheight;
    return data;
  }

  var getslidedata = function getslidedata() {
    var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
    var settings = arguments.length > 1 ? arguments[1] : undefined;
    var data = extend({
      descposition: settings.descposition
    }, singleslidedata);

    if (utils.isobject(element) && !utils.isnode(element)) {
      if (!utils.has(element, 'type')) {
        if (utils.has(element, 'content') && element.content) {
          element.type = 'inline';
        } else if (utils.has(element, 'href')) {
          element.type = getsourcetype(element.href);
        }
      }

      var objectdata = extend(data, element);
      setsize(objectdata, settings);
      return objectdata;
    }

    var url = '';
    var config = element.getattribute('data-glightbox');
    var nodetype = element.nodename.tolowercase();
    if (nodetype === 'a') url = element.href;
    if (nodetype === 'img') url = element.src;
    data.href = url;
    each(data, function (val, key) {
      if (utils.has(settings, key) && key !== 'width') {
        data[key] = settings[key];
      }

      var nodedata = element.dataset[key];

      if (!utils.isnil(nodedata)) {
        data[key] = nodedata;
      }
    });

    if (data.content) {
      data.type = 'inline';
    }

    if (!data.type && url) {
      data.type = getsourcetype(url);
    }

    if (!utils.isnil(config)) {
      var cleankeys = [];
      each(data, function (v, k) {
        cleankeys.push(';\\s?' + k);
      });
      cleankeys = cleankeys.join('\\s?:|');

      if (config.trim() !== '') {
        each(data, function (val, key) {
          var str = config;
          var match = '\s?' + key + '\s?:\s?(.*?)(' + cleankeys + '\s?:|$)';
          var regex = new regexp(match);
          var matches = str.match(regex);

          if (matches && matches.length && matches[1]) {
            var value = matches[1].trim().replace(/;\s*$/, '');
            data[key] = value;
          }
        });
      }
    } else {
      if (nodetype == 'a') {
        var title = element.title;
        if (!utils.isnil(title) && title !== '') data.title = title;
      }

      if (nodetype == 'img') {
        var alt = element.alt;
        if (!utils.isnil(alt) && alt !== '') data.title = alt;
      }

      var desc = element.getattribute('data-description');
      if (!utils.isnil(desc) && desc !== '') data.description = desc;
    }

    if (data.description && data.description.substring(0, 1) == '.' && document.queryselector(data.description)) {
      data.description = document.queryselector(data.description).innerhtml;
    } else {
      var nodedesc = element.queryselector('.glightbox-desc');

      if (nodedesc) {
        data.description = nodedesc.innerhtml;
      }
    }

    setsize(data, settings);
    return data;
  };

  var setslidecontent = function setslidecontent() {
    var _this = this;

    var slide = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
    var data = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var callback = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

    if (hasclass(slide, 'loaded')) {
      return false;
    }

    if (utils.isfunction(this.settings.beforeslideload)) {
      this.settings.beforeslideload({
        index: data.index,
        slide: slide,
        player: false
      });
    }

    var type = data.type;
    var position = data.descposition;
    var slidemedia = slide.queryselector('.gslide-media');
    var slidetitle = slide.queryselector('.gslide-title');
    var slidetext = slide.queryselector('.gslide-desc');
    var slidedesc = slide.queryselector('.gdesc-inner');
    var finalcallback = callback;
    var titleid = 'gslidetitle_' + data.index;
    var textid = 'gslidedesc_' + data.index;

    if (utils.isfunction(this.settings.afterslideload)) {
      finalcallback = function finalcallback() {
        if (utils.isfunction(callback)) {
          callback();
        }

        _this.settings.afterslideload({
          index: data.index,
          slide: slide,
          player: _this.getslideplayerinstance(data.index)
        });
      };
    }

    if (data.title == '' && data.description == '') {
      if (slidedesc) {
        slidedesc.parentnode.parentnode.removechild(slidedesc.parentnode);
      }
    } else {
      if (slidetitle && data.title !== '') {
        slidetitle.id = titleid;
        slidetitle.innerhtml = data.title;
      } else {
        slidetitle.parentnode.removechild(slidetitle);
      }

      if (slidetext && data.description !== '') {
        slidetext.id = textid;

        if (ismobile && this.settings.morelength > 0) {
          data.smalldescription = slideshortdesc(data.description, this.settings.morelength, this.settings.moretext);
          slidetext.innerhtml = data.smalldescription;
          slidedescriptionevents.apply(this, [slidetext, data]);
        } else {
          slidetext.innerhtml = data.description;
        }
      } else {
        slidetext.parentnode.removechild(slidetext);
      }

      addclass(slidemedia.parentnode, "desc-".concat(position));
      addclass(slidedesc.parentnode, "description-".concat(position));
    }

    addclass(slidemedia, "gslide-".concat(type));
    addclass(slide, 'loaded');

    if (type === 'video') {
      addclass(slidemedia.parentnode, "gvideo-container");
      slidemedia.insertbefore(createhtml('<div class="gvideo-wrapper"></div>'), slidemedia.firstchild);
      setslidevideo.apply(this, [slide, data, finalcallback]);
      return;
    }

    if (type === 'external') {
      var iframe = createiframe({
        url: data.href,
        callback: finalcallback
      });
      slidemedia.parentnode.style.maxwidth = data.width;
      slidemedia.parentnode.style.height = data.height;
      slidemedia.appendchild(iframe);
      return;
    }

    if (type === 'inline') {
      setinlinecontent.apply(this, [slide, data, finalcallback]);
      return;
    }

    if (type === 'image') {
      var img = new image();
      img.addeventlistener('load', function () {
        if (img.naturalwidth > img.offsetwidth) {
          addclass(img, 'zoomable');
          new zoomimages(img, slide, function () {
            _this.resize(slide);
          });
        }

        if (utils.isfunction(finalcallback)) {
          finalcallback();
        }
      }, false);
      img.src = data.href;
      img.alt = '';

      if (data.title !== '') {
        img.setattribute('aria-labelledby', titleid);
      }

      if (data.description !== '') {
        img.setattribute('aria-describedby', textid);
      }

      slidemedia.insertbefore(img, slidemedia.firstchild);
      return;
    }

    if (utils.isfunction(finalcallback)) finalcallback();
  };

  function setslidevideo(slide, data, callback) {
    var _this2 = this;

    var videoid = 'gvideo' + data.index;
    var slidemedia = slide.queryselector('.gvideo-wrapper');
    injectvideoapi(this.settings.plyr.css);
    var url = data.href;
    var protocol = location.protocol.replace(':', '');
    var videosource = '';
    var embedid = '';
    var customplaceholder = false;

    if (protocol == 'file') {
      protocol = 'http';
    }

    slidemedia.parentnode.style.maxwidth = data.width;
    injectvideoapi(this.settings.plyr.js, 'plyr', function () {
      if (url.match(/vimeo\.com\/([0-9]*)/)) {
        var vimeoid = /vimeo.*\/(\d+)/i.exec(url);
        videosource = 'vimeo';
        embedid = vimeoid[1];
      }

      if (url.match(/(youtube\.com|youtube-nocookie\.com)\/watch\?v=([a-za-z0-9\-_]+)/) || url.match(/youtu\.be\/([a-za-z0-9\-_]+)/) || url.match(/(youtube\.com|youtube-nocookie\.com)\/embed\/([a-za-z0-9\-_]+)/)) {
        var youtubeid = getyoutubeid(url);
        videosource = 'youtube';
        embedid = youtubeid;
      }

      if (url.match(/\.(mp4|ogg|webm|mov)$/) !== null) {
        videosource = 'local';

        var _html = '<video id="' + videoid + '" ';

        _html += "style=\"background:#000; max-width: ".concat(data.width, ";\" ");
        _html += 'preload="metadata" ';
        _html += 'x-webkit-airplay="allow" ';
        _html += 'webkit-playsinline="" ';
        _html += 'controls ';
        _html += 'class="gvideo-local">';
        var format = url.tolowercase().split('.').pop();
        var sources = {
          'mp4': '',
          'ogg': '',
          'webm': ''
        };
        format = format == 'mov' ? 'mp4' : format;
        sources[format] = url;

        for (var key in sources) {
          if (sources.hasownproperty(key)) {
            var videofile = sources[key];

            if (data.hasownproperty(key)) {
              videofile = data[key];
            }

            if (videofile !== '') {
              _html += "<source src=\"".concat(videofile, "\" type=\"video/").concat(key, "\">");
            }
          }
        }

        _html += '</video>';
        customplaceholder = createhtml(_html);
      }

      var placeholder = customplaceholder ? customplaceholder : createhtml("<div id=\"".concat(videoid, "\" data-plyr-provider=\"").concat(videosource, "\" data-plyr-embed-id=\"").concat(embedid, "\"></div>"));
      addclass(slidemedia, "".concat(videosource, "-video gvideo"));
      slidemedia.appendchild(placeholder);
      slidemedia.setattribute('data-id', videoid);
      slidemedia.setattribute('data-index', data.index);
      var playerconfig = utils.has(_this2.settings.plyr, 'config') ? _this2.settings.plyr.config : {};
      var player = new plyr('#' + videoid, playerconfig);
      player.on('ready', function (event) {
        var instance = event.detail.plyr;
        videoplayers[videoid] = instance;

        if (utils.isfunction(callback)) {
          callback();
        }
      });
      player.on('enterfullscreen', handlemediafullscreen);
      player.on('exitfullscreen', handlemediafullscreen);
    });
  }

  function createiframe(config) {
    var url = config.url,
        allow = config.allow,
        callback = config.callback,
        appendto = config.appendto;
    var iframe = document.createelement('iframe');
    iframe.classname = 'vimeo-video gvideo';
    iframe.src = url;
    iframe.style.width = '100%';
    iframe.style.height = '100%';

    if (allow) {
      iframe.setattribute('allow', allow);
    }

    iframe.onload = function () {
      addclass(iframe, 'node-ready');

      if (utils.isfunction(callback)) {
        callback();
      }
    };

    if (appendto) {
      appendto.appendchild(iframe);
    }

    return iframe;
  }

  function getyoutubeid(url) {
    var videoid = '';
    url = url.replace(/(>|<)/gi, '').split(/(vi\/|v=|\/v\/|youtu\.be\/|\/embed\/)/);

    if (url[2] !== undefined) {
      videoid = url[2].split(/[^0-9a-z_\-]/i);
      videoid = videoid[0];
    } else {
      videoid = url;
    }

    return videoid;
  }

  function injectvideoapi(url, waitfor, callback) {
    if (utils.isnil(url)) {
      console.error('inject videos api error');
      return;
    }

    if (utils.isfunction(waitfor)) {
      callback = waitfor;
      waitfor = false;
    }

    var found;

    if (url.indexof('.css') !== -1) {
      found = document.queryselectorall('link[href="' + url + '"]');

      if (found && found.length > 0) {
        if (utils.isfunction(callback)) callback();
        return;
      }

      var head = document.getelementsbytagname("head")[0];
      var headstyles = head.queryselectorall('link[rel="stylesheet"]');
      var link = document.createelement('link');
      link.rel = 'stylesheet';
      link.type = 'text/css';
      link.href = url;
      link.media = 'all';

      if (headstyles) {
        head.insertbefore(link, headstyles[0]);
      } else {
        head.appendchild(link);
      }

      if (utils.isfunction(callback)) callback();
      return;
    }

    found = document.queryselectorall('script[src="' + url + '"]');

    if (found && found.length > 0) {
      if (utils.isfunction(callback)) {
        if (utils.isstring(waitfor)) {
          waituntil(function () {
            return typeof window[waitfor] !== 'undefined';
          }, function () {
            callback();
          });
          return false;
        }

        callback();
      }

      return;
    }

    var script = document.createelement('script');
    script.type = 'text/javascript';
    script.src = url;

    script.onload = function () {
      if (utils.isfunction(callback)) {
        if (utils.isstring(waitfor)) {
          waituntil(function () {
            return typeof window[waitfor] !== 'undefined';
          }, function () {
            callback();
          });
          return false;
        }

        callback();
      }
    };

    document.body.appendchild(script);
    return;
  }

  function waituntil(check, oncomplete, delay, timeout) {
    if (check()) {
      oncomplete();
      return;
    }

    if (!delay) delay = 100;
    var timeoutpointer;
    var intervalpointer = setinterval(function () {
      if (!check()) return;
      clearinterval(intervalpointer);
      if (timeoutpointer) cleartimeout(timeoutpointer);
      oncomplete();
    }, delay);
    if (timeout) timeoutpointer = settimeout(function () {
      clearinterval(intervalpointer);
    }, timeout);
  }

  function setinlinecontent(slide, data, callback) {
    var _this3 = this;

    var slidemedia = slide.queryselector('.gslide-media');
    var hash = utils.has(data, 'href') && data.href ? data.href.split('#').pop().trim() : false;
    var content = utils.has(data, 'content') && data.content ? data.content : false;
    var innercontent;

    if (content) {
      if (utils.isstring(content)) {
        innercontent = createhtml("<div class=\"ginlined-content\">".concat(content, "</div>"));
      }

      if (utils.isnode(content)) {
        if (content.style.display == 'none') {
          content.style.display = 'block';
        }

        var container = document.createelement('div');
        container.classname = 'ginlined-content';
        container.appendchild(content);
        innercontent = container;
      }
    }

    if (hash) {
      var div = document.getelementbyid(hash);

      if (!div) {
        return false;
      }

      var cloned = div.clonenode(true);
      cloned.style.height = data.height;
      cloned.style.maxwidth = data.width;
      addclass(cloned, 'ginlined-content');
      innercontent = cloned;
    }

    if (!innercontent) {
      console.error('unable to append inline slide content', data);
      return false;
    }

    slidemedia.style.height = data.height;
    slidemedia.style.width = data.width;
    slidemedia.appendchild(innercontent);
    this.events['inlineclose' + hash] = addevent('click', {
      onelement: slidemedia.queryselectorall('.gtrigger-close'),
      withcallback: function withcallback(e) {
        e.preventdefault();

        _this3.close();
      }
    });

    if (utils.isfunction(callback)) {
      callback();
    }

    return;
  }

  var getsourcetype = function getsourcetype(url) {
    var origin = url;
    url = url.tolowercase();

    if (url.match(/\.(jpeg|jpg|jpe|gif|png|apn|webp|svg)$/) !== null) {
      return 'image';
    }

    if (url.match(/(youtube\.com|youtube-nocookie\.com)\/watch\?v=([a-za-z0-9\-_]+)/) || url.match(/youtu\.be\/([a-za-z0-9\-_]+)/) || url.match(/(youtube\.com|youtube-nocookie\.com)\/embed\/([a-za-z0-9\-_]+)/)) {
      return 'video';
    }

    if (url.match(/vimeo\.com\/([0-9]*)/)) {
      return 'video';
    }

    if (url.match(/\.(mp4|ogg|webm|mov)$/) !== null) {
      return 'video';
    }

    if (url.indexof("#") > -1) {
      var hash = origin.split('#').pop();

      if (hash.trim() !== '') {
        return 'inline';
      }
    }

    if (url.includes("gajax=true")) {
      return 'ajax';
    }

    return 'external';
  };

  function keyboardnavigation() {
    var _this4 = this;

    if (this.events.hasownproperty('keyboard')) {
      return false;
    }

    this.events['keyboard'] = addevent('keydown', {
      onelement: window,
      withcallback: function withcallback(event, target) {
        event = event || window.event;
        var key = event.keycode;

        if (key == 9) {
          var activeelement = document.activeelement && document.activeelement.nodename ? document.activeelement.nodename.tolocalelowercase() : false;

          if (activeelement == 'input' || activeelement == 'textarea' || activeelement == 'button') {
            return;
          }

          event.preventdefault();
          var btns = document.queryselectorall('.gbtn');

          if (!btns || btns.length <= 0) {
            return;
          }

          var focused = _toconsumablearray(btns).filter(function (item) {
            return hasclass(item, 'focused');
          });

          if (!focused.length) {
            var first = document.queryselector('.gbtn[tabindex="0"]');

            if (first) {
              first.focus();
              addclass(first, 'focused');
            }

            return;
          }

          btns.foreach(function (element) {
            return removeclass(element, 'focused');
          });
          var tabindex = focused[0].getattribute('tabindex');
          tabindex = tabindex ? tabindex : '0';
          var newindex = parseint(tabindex) + 1;

          if (newindex > btns.length - 1) {
            newindex = '0';
          }

          var next = document.queryselector(".gbtn[tabindex=\"".concat(newindex, "\"]"));

          if (next) {
            next.focus();
            addclass(next, 'focused');
          }
        }

        if (key == 39) _this4.nextslide();
        if (key == 37) _this4.prevslide();
        if (key == 27) _this4.close();
      }
    });
  }

  function touchnavigation() {
    var _this5 = this;

    if (this.events.hasownproperty('touch')) {
      return false;
    }

    var winsize = windowsize();
    var winwidth = winsize.width;
    var winheight = winsize.height;
    var process = false;
    var currentslide = null;
    var media = null;
    var mediaimage = null;
    var doingmove = false;
    var initscale = 1;
    var maxscale = 4.5;
    var currentscale = 1;
    var doingzoom = false;
    var imagezoomed = false;
    var zoomedposx = null;
    var zoomedposy = null;
    var lastzoomedposx = null;
    var lastzoomedposy = null;
    var hdistance;
    var vdistance;
    var hdistancepercent = 0;
    var vdistancepercent = 0;
    var vswipe = false;
    var hswipe = false;
    var startcoords = {};
    var endcoords = {};
    var xdown = 0;
    var ydown = 0;
    var isinlined;
    var instance = this;
    var sliderwrapper = document.getelementbyid('glightbox-slider');
    var overlay = document.queryselector('.goverlay');
    var loop = this.loop();
    var touchinstance = new touchevents(sliderwrapper, {
      touchstart: function touchstart(e) {
        if (hasclass(e.targettouches[0].target, 'ginner-container') || getclosest(e.targettouches[0].target, '.gslide-desc')) {
          process = false;
          return false;
        }

        process = true;
        endcoords = e.targettouches[0];
        startcoords.pagex = e.targettouches[0].pagex;
        startcoords.pagey = e.targettouches[0].pagey;
        xdown = e.targettouches[0].clientx;
        ydown = e.targettouches[0].clienty;
        currentslide = instance.activeslide;
        media = currentslide.queryselector('.gslide-media');
        isinlined = currentslide.queryselector('.gslide-inline');
        mediaimage = null;

        if (hasclass(media, 'gslide-image')) {
          mediaimage = media.queryselector('img');
        }

        removeclass(overlay, 'greset');
      },
      touchmove: function touchmove(e) {
        if (!process) {
          return;
        }

        endcoords = e.targettouches[0];

        if (doingzoom || imagezoomed) {
          return;
        }

        if (isinlined && isinlined.offsetheight > winheight) {
          var moved = startcoords.pagex - endcoords.pagex;

          if (math.abs(moved) <= 13) {
            return false;
          }
        }

        doingmove = true;
        var xup = e.targettouches[0].clientx;
        var yup = e.targettouches[0].clienty;
        var xdiff = xdown - xup;
        var ydiff = ydown - yup;

        if (math.abs(xdiff) > math.abs(ydiff)) {
          vswipe = false;
          hswipe = true;
        } else {
          hswipe = false;
          vswipe = true;
        }

        hdistance = endcoords.pagex - startcoords.pagex;
        hdistancepercent = hdistance * 100 / winwidth;
        vdistance = endcoords.pagey - startcoords.pagey;
        vdistancepercent = vdistance * 100 / winheight;
        var opacity;

        if (vswipe && mediaimage) {
          opacity = 1 - math.abs(vdistance) / winheight;
          overlay.style.opacity = opacity;

          if (_this5.settings.touchfollowaxis) {
            hdistancepercent = 0;
          }
        }

        if (hswipe) {
          opacity = 1 - math.abs(hdistance) / winwidth;
          media.style.opacity = opacity;

          if (_this5.settings.touchfollowaxis) {
            vdistancepercent = 0;
          }
        }

        if (!mediaimage) {
          return slidecsstransform(media, "translate3d(".concat(hdistancepercent, "%, 0, 0)"));
        }

        slidecsstransform(media, "translate3d(".concat(hdistancepercent, "%, ").concat(vdistancepercent, "%, 0)"));
      },
      touchend: function touchend() {
        if (!process) {
          return;
        }

        doingmove = false;

        if (imagezoomed || doingzoom) {
          lastzoomedposx = zoomedposx;
          lastzoomedposy = zoomedposy;
          return;
        }

        var v = math.abs(parseint(vdistancepercent));
        var h = math.abs(parseint(hdistancepercent));

        if (v > 29 && mediaimage) {
          _this5.close();

          return;
        }

        if (v < 29 && h < 25) {
          addclass(overlay, 'greset');
          overlay.style.opacity = 1;
          return resetslidemove(media);
        }
      },
      multipointend: function multipointend() {
        settimeout(function () {
          doingzoom = false;
        }, 50);
      },
      multipointstart: function multipointstart() {
        doingzoom = true;
        initscale = currentscale ? currentscale : 1;
      },
      pinch: function pinch(evt) {
        if (!mediaimage || doingmove) {
          return false;
        }

        doingzoom = true;
        mediaimage.scalex = mediaimage.scaley = initscale * evt.zoom;
        var scale = initscale * evt.zoom;
        imagezoomed = true;

        if (scale <= 1) {
          imagezoomed = false;
          scale = 1;
          lastzoomedposy = null;
          lastzoomedposx = null;
          zoomedposx = null;
          zoomedposy = null;
          mediaimage.setattribute('style', '');
          return;
        }

        if (scale > maxscale) {
          scale = maxscale;
        }

        mediaimage.style.transform = "scale3d(".concat(scale, ", ").concat(scale, ", 1)");
        currentscale = scale;
      },
      pressmove: function pressmove(e) {
        if (imagezoomed && !doingzoom) {
          var mhdistance = endcoords.pagex - startcoords.pagex;
          var mvdistance = endcoords.pagey - startcoords.pagey;

          if (lastzoomedposx) {
            mhdistance = mhdistance + lastzoomedposx;
          }

          if (lastzoomedposy) {
            mvdistance = mvdistance + lastzoomedposy;
          }

          zoomedposx = mhdistance;
          zoomedposy = mvdistance;
          var style = "translate3d(".concat(mhdistance, "px, ").concat(mvdistance, "px, 0)");

          if (currentscale) {
            style += " scale3d(".concat(currentscale, ", ").concat(currentscale, ", 1)");
          }

          slidecsstransform(mediaimage, style);
        }
      },
      swipe: function swipe(evt) {
        if (imagezoomed) {
          return;
        }

        if (doingzoom) {
          doingzoom = false;
          return;
        }

        if (evt.direction == 'left') {
          if (_this5.index == _this5.elements.length - 1) {
            return resetslidemove(media);
          }

          _this5.nextslide();
        }

        if (evt.direction == 'right') {
          if (_this5.index == 0) {
            return resetslidemove(media);
          }

          _this5.prevslide();
        }
      }
    });
    this.events['touch'] = touchinstance;
  }

  function slidecsstransform(slide) {
    var translate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';

    if (translate == '') {
      slide.style.webkittransform = '';
      slide.style.moztransform = '';
      slide.style.mstransform = '';
      slide.style.otransform = '';
      slide.style.transform = '';
      return false;
    }

    slide.style.webkittransform = translate;
    slide.style.moztransform = translate;
    slide.style.mstransform = translate;
    slide.style.otransform = translate;
    slide.style.transform = translate;
  }

  function resetslidemove(slide) {
    var media = hasclass(slide, 'gslide-media') ? slide : slide.queryselector('.gslide-media');
    var desc = slide.queryselector('.gslide-description');
    addclass(media, 'greset');
    slidecsstransform(media, "translate3d(0, 0, 0)");
    var animation = addevent(transitionend, {
      onelement: media,
      once: true,
      withcallback: function withcallback(event, target) {
        removeclass(media, 'greset');
      }
    });
    media.style.opacity = '';

    if (desc) {
      desc.style.opacity = '';
    }
  }

  function slideshortdesc(string) {
    var n = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 50;
    var wordboundary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
    var usewordboundary = wordboundary;
    string = string.trim();

    if (string.length <= n) {
      return string;
    }

    var substring = string.substr(0, n - 1);

    if (!usewordboundary) {
      return substring;
    }

    return substring + '... <a href="#" class="desc-more">' + wordboundary + '</a>';
  }

  function slidedescriptionevents(desc, data) {
    var morelink = desc.queryselector('.desc-more');

    if (!morelink) {
      return false;
    }

    addevent('click', {
      onelement: morelink,
      withcallback: function withcallback(event, target) {
        event.preventdefault();
        var body = document.body;
        var desc = getclosest(target, '.gslide-desc');

        if (!desc) {
          return false;
        }

        desc.innerhtml = data.description;
        addclass(body, 'gdesc-open');
        var shortevent = addevent('click', {
          onelement: [body, getclosest(desc, '.gslide-description')],
          withcallback: function withcallback(event, target) {
            if (event.target.nodename.tolowercase() !== 'a') {
              removeclass(body, 'gdesc-open');
              addclass(body, 'gdesc-closed');
              desc.innerhtml = data.smalldescription;
              slidedescriptionevents(desc, data);
              settimeout(function () {
                removeclass(body, 'gdesc-closed');
              }, 400);
              shortevent.destroy();
            }
          }
        });
      }
    });
  }

  var glightboxinit = function () {
    function glightboxinit() {
      var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

      _classcallcheck(this, glightboxinit);

      this.settings = extend(defaults, options);
      this.effectsclasses = this.getanimationclasses();
      this.slidesdata = {};
    }

    _createclass(glightboxinit, [{
      key: "init",
      value: function init() {
        var _this6 = this;

        var selector = this.getselector();

        if (selector) {
          this.baseevents = addevent('click', {
            onelement: selector,
            withcallback: function withcallback(e, target) {
              e.preventdefault();

              _this6.open(target);
            }
          });
        }

        this.elements = this.getelements();
      }
    }, {
      key: "open",
      value: function open() {
        var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
        var startat = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
        if (this.elements.length == 0) return false;
        this.activeslide = null;
        this.prevactiveslideindex = null;
        this.prevactiveslide = null;
        var index = utils.isnumber(startat) ? startat : this.settings.startat;

        if (utils.isnode(element) && utils.isnil(index)) {
          index = this.getelementindex(element);

          if (index < 0) {
            index = 0;
          }
        }

        if (!utils.isnumber(index)) {
          index = 0;
        }

        this.build();
        animateelement(this.overlay, this.settings.openeffect == 'none' ? 'none' : this.settings.cssefects.fade["in"]);
        var body = document.body;
        var scrollbar = window.innerwidth - document.documentelement.clientwidth;

        if (scrollbar > 0) {
          var stylesheet = document.createelement("style");
          stylesheet.type = 'text/css';
          stylesheet.classname = 'gcss-styles';
          stylesheet.innertext = ".gscrollbar-fixer {margin-right: ".concat(scrollbar, "px}");
          document.head.appendchild(stylesheet);
          addclass(body, 'gscrollbar-fixer');
        }

        addclass(body, 'glightbox-open');
        addclass(html, 'glightbox-open');

        if (ismobile) {
          addclass(document.body, 'glightbox-mobile');
          this.settings.slideeffect = 'slide';
        }

        this.showslide(index, true);

        if (this.elements.length == 1) {
          hide(this.prevbutton);
          hide(this.nextbutton);
        } else {
          show(this.prevbutton);
          show(this.nextbutton);
        }

        this.lightboxopen = true;

        if (utils.isfunction(this.settings.onopen)) {
          this.settings.onopen();
        }

        if (istouch && this.settings.touchnavigation) {
          touchnavigation.apply(this);
          return false;
        }

        if (this.settings.keyboardnavigation) {
          keyboardnavigation.apply(this);
        }
      }
    }, {
      key: "openat",
      value: function openat() {
        var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
        this.open(null, index);
      }
    }, {
      key: "showslide",
      value: function showslide() {
        var _this7 = this;

        var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
        var first = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
        show(this.loader);
        this.index = parseint(index);
        var current = this.slidescontainer.queryselector('.current');

        if (current) {
          removeclass(current, 'current');
        }

        this.slideanimateout();
        var slide = this.slidescontainer.queryselectorall('.gslide')[index];

        if (hasclass(slide, 'loaded')) {
          this.slideanimatein(slide, first);
          hide(this.loader);
        } else {
          show(this.loader);
          var slidedata = this.elements[index];
          slidedata.index = index;
          this.slidesdata[index] = slidedata;
          setslidecontent.apply(this, [slide, slidedata, function () {
            hide(_this7.loader);

            _this7.resize();

            _this7.slideanimatein(slide, first);
          }]);
        }

        this.slidedescription = slide.queryselector('.gslide-description');
        this.slidedescriptioncontained = this.slidedescription && hasclass(this.slidedescription.parentnode, 'gslide-media');
        this.preloadslide(index + 1);
        this.preloadslide(index - 1);
        this.updatenavigationclasses();
        this.activeslide = slide;
      }
    }, {
      key: "preloadslide",
      value: function preloadslide(index) {
        var _this8 = this;

        if (index < 0 || index > this.elements.length - 1) return false;
        if (utils.isnil(this.elements[index])) return false;
        var slide = this.slidescontainer.queryselectorall('.gslide')[index];

        if (hasclass(slide, 'loaded')) {
          return false;
        }

        var slidedata = this.elements[index];
        slidedata.index = index;
        this.slidesdata[index] = slidedata;
        var type = slidedata.sourcetype;

        if (type == 'video' || type == 'external') {
          settimeout(function () {
            setslidecontent.apply(_this8, [slide, slidedata]);
          }, 200);
        } else {
          setslidecontent.apply(this, [slide, slidedata]);
        }
      }
    }, {
      key: "prevslide",
      value: function prevslide() {
        this.gotoslide(this.index - 1);
      }
    }, {
      key: "nextslide",
      value: function nextslide() {
        this.gotoslide(this.index + 1);
      }
    }, {
      key: "gotoslide",
      value: function gotoslide() {
        var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
        this.prevactiveslide = this.activeslide;
        this.prevactiveslideindex = this.index;
        var loop = this.loop();

        if (!loop && (index < 0 || index > this.elements.length - 1)) {
          return false;
        }

        if (index < 0) {
          index = this.elements.length - 1;
        } else if (index >= this.elements.length) {
          index = 0;
        }

        this.showslide(index);
      }
    }, {
      key: "insertslide",
      value: function insertslide() {
        var data = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
        var index = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1;
        var defaults = extend({
          descposition: this.settings.descposition
        }, singleslidedata);
        var newslide = createhtml(this.settings.slidehtml);
        var totalslides = this.elements.length - 1;

        if (index < 0) {
          index = this.elements.length;
        }

        data = extend(defaults, data);
        data.index = index;
        data.node = false;
        this.elements.splice(index, 0, data);

        if (this.slidescontainer) {
          if (index > totalslides) {
            this.slidescontainer.appendchild(newslide);
          } else {
            var existingslide = this.slidescontainer.queryselectorall('.gslide')[index];
            this.slidescontainer.insertbefore(newslide, existingslide);
          }

          if (this.index == 0 && index == 0 || this.index - 1 == index || this.index + 1 == index) {
            this.preloadslide(index);
          }

          if (this.index == 0 && index == 0) {
            this.index = 1;
          }

          this.updatenavigationclasses();
        }

        if (utils.isfunction(this.settings.slideinserted)) {
          this.settings.slideinserted({
            index: index,
            slide: this.slidescontainer.queryselectorall('.gslide')[index],
            player: this.getslideplayerinstance(index)
          });
        }
      }
    }, {
      key: "removeslide",
      value: function removeslide() {
        var index = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : -1;

        if (index < 0 || index > this.elements.length - 1) {
          return false;
        }

        var slide = this.slidescontainer && this.slidescontainer.queryselectorall('.gslide')[index];

        if (slide) {
          if (this.getactiveslideindex() == index) {
            if (index == this.elements.length - 1) {
              this.prevslide();
            } else {
              this.nextslide();
            }
          }

          slide.parentnode.removechild(slide);
        }

        this.elements.splice(index, 1);

        if (utils.isfunction(this.settings.slideremoved)) {
          this.settings.slideremoved(index);
        }
      }
    }, {
      key: "slideanimatein",
      value: function slideanimatein(slide, first) {
        var _this9 = this;

        var slidemedia = slide.queryselector('.gslide-media');
        var slidedesc = slide.queryselector('.gslide-description');
        var prevdata = {
          index: this.prevactiveslideindex,
          slide: this.prevactiveslide,
          player: this.getslideplayerinstance(this.prevactiveslideindex)
        };
        var nextdata = {
          index: this.index,
          slide: this.activeslide,
          player: this.getslideplayerinstance(this.index)
        };

        if (slidemedia.offsetwidth > 0 && slidedesc) {
          hide(slidedesc);
          slidedesc.style.display = '';
        }

        removeclass(slide, this.effectsclasses);

        if (first) {
          animateelement(slide, this.settings.openeffect, function () {
            if (!ismobile && _this9.settings.autoplayvideos) {
              _this9.playslidevideo(slide);
            }

            if (utils.isfunction(_this9.settings.afterslidechange)) {
              _this9.settings.afterslidechange.apply(_this9, [prevdata, nextdata]);
            }
          });
        } else {
          var effect_name = this.settings.slideeffect;
          var animin = effect_name !== 'none' ? this.settings.cssefects[effect_name]["in"] : effect_name;

          if (this.prevactiveslideindex > this.index) {
            if (this.settings.slideeffect == 'slide') {
              animin = this.settings.cssefects.slide_back["in"];
            }
          }

          animateelement(slide, animin, function () {
            if (!ismobile && _this9.settings.autoplayvideos) {
              _this9.playslidevideo(slide);
            }

            if (utils.isfunction(_this9.settings.afterslidechange)) {
              _this9.settings.afterslidechange.apply(_this9, [prevdata, nextdata]);
            }
          });
        }

        settimeout(function () {
          _this9.resize(slide);
        }, 100);
        addclass(slide, 'current');
      }
    }, {
      key: "slideanimateout",
      value: function slideanimateout() {
        if (!this.prevactiveslide) {
          return false;
        }

        var prevslide = this.prevactiveslide;
        removeclass(prevslide, this.effectsclasses);
        addclass(prevslide, 'prev');
        var animation = this.settings.slideeffect;
        var animout = animation !== 'none' ? this.settings.cssefects[animation].out : animation;
        this.stopslidevideo(prevslide);

        if (utils.isfunction(this.settings.beforeslidechange)) {
          this.settings.beforeslidechange.apply(this, [{
            index: this.prevactiveslideindex,
            slide: this.prevactiveslide,
            player: this.getslideplayerinstance(this.prevactiveslideindex)
          }, {
            index: this.index,
            slide: this.activeslide,
            player: this.getslideplayerinstance(this.index)
          }]);
        }

        if (this.prevactiveslideindex > this.index && this.settings.slideeffect == 'slide') {
          animout = this.settings.cssefects.slide_back.out;
        }

        animateelement(prevslide, animout, function () {
          var media = prevslide.queryselector('.gslide-media');
          var desc = prevslide.queryselector('.gslide-description');
          media.style.transform = '';
          removeclass(media, 'greset');
          media.style.opacity = '';

          if (desc) {
            desc.style.opacity = '';
          }

          removeclass(prevslide, 'prev');
        });
      }
    }, {
      key: "getallplayers",
      value: function getallplayers() {
        return videoplayers;
      }
    }, {
      key: "getslideplayerinstance",
      value: function getslideplayerinstance(index) {
        var id = 'gvideo' + index;

        if (utils.has(videoplayers, id) && videoplayers[id]) {
          return videoplayers[id];
        }

        return false;
      }
    }, {
      key: "stopslidevideo",
      value: function stopslidevideo(slide) {
        if (utils.isnode(slide)) {
          var node = slide.queryselector('.gvideo-wrapper');

          if (node) {
            slide = node.getattribute('data-index');
          }
        }

        var player = this.getslideplayerinstance(slide);

        if (player && player.playing) {
          player.pause();
        }
      }
    }, {
      key: "playslidevideo",
      value: function playslidevideo(slide) {
        if (utils.isnode(slide)) {
          var node = slide.queryselector('.gvideo-wrapper');

          if (node) {
            slide = node.getattribute('data-index');
          }
        }

        var player = this.getslideplayerinstance(slide);

        if (player && !player.playing) {
          player.play();
        }
      }
    }, {
      key: "setelements",
      value: function setelements(elements) {
        var _this10 = this;

        this.settings.elements = false;
        var newelements = [];
        each(elements, function (el) {
          var data = getslidedata(el, _this10.settings);
          newelements.push(data);
        });
        this.elements = newelements;

        if (this.lightboxopen) {
          this.slidescontainer.innerhtml = '';
          each(this.elements, function () {
            var slide = createhtml(_this10.settings.slidehtml);

            _this10.slidescontainer.appendchild(slide);
          });
          this.showslide(0, true);
        }
      }
    }, {
      key: "getelementindex",
      value: function getelementindex(node) {
        var index = false;
        each(this.elements, function (el, i) {
          if (utils.has(el, 'node') && el.node == node) {
            index = i;
            return true;
          }
        });
        return index;
      }
    }, {
      key: "getelements",
      value: function getelements() {
        var _this11 = this;

        var element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
        var list = [];
        this.elements = this.elements ? this.elements : [];

        if (!utils.isnil(this.settings.elements) && utils.isarray(this.settings.elements)) {
          list = this.settings.elements;
        }

        var nodes = false;
        var selector = this.getselector();

        if (element !== null) {
          var gallery = element.getattribute('data-gallery');

          if (gallery && gallery !== '') {
            nodes = document.queryselectorall("[data-gallery=\"".concat(gallery, "\"]"));
          }
        }

        if (nodes == false && selector) {
          nodes = document.queryselectorall(this.getselector());
        }

        if (!nodes) {
          return list;
        }

        each(nodes, function (el, i) {
          var eldata = getslidedata(el, _this11.settings);
          eldata.node = el;
          eldata.index = i;
          list.push(eldata);
        });
        return list;
      }
    }, {
      key: "getselector",
      value: function getselector() {
        if (this.settings.selector && this.settings.selector.substring(0, 5) == 'data-') {
          return "*[".concat(this.settings.selector, "]");
        }

        return this.settings.selector;
      }
    }, {
      key: "getactiveslide",
      value: function getactiveslide() {
        return this.slidescontainer.queryselectorall('.gslide')[this.index];
      }
    }, {
      key: "getactiveslideindex",
      value: function getactiveslideindex() {
        return this.index;
      }
    }, {
      key: "getanimationclasses",
      value: function getanimationclasses() {
        var effects = [];

        for (var key in this.settings.cssefects) {
          if (this.settings.cssefects.hasownproperty(key)) {
            var effect = this.settings.cssefects[key];
            effects.push("g".concat(effect["in"]));
            effects.push("g".concat(effect.out));
          }
        }

        return effects.join(' ');
      }
    }, {
      key: "build",
      value: function build() {
        var _this12 = this;

        if (this.built) {
          return false;
        }

        var nextsvg = utils.has(this.settings.svg, 'next') ? this.settings.svg.next : '';
        var prevsvg = utils.has(this.settings.svg, 'prev') ? this.settings.svg.prev : '';
        var closesvg = utils.has(this.settings.svg, 'close') ? this.settings.svg.close : '';
        var lightboxhtml = this.settings.lightboxhtml;
        lightboxhtml = lightboxhtml.replace(/{nextsvg}/g, nextsvg);
        lightboxhtml = lightboxhtml.replace(/{prevsvg}/g, prevsvg);
        lightboxhtml = lightboxhtml.replace(/{closesvg}/g, closesvg);
        lightboxhtml = createhtml(lightboxhtml);
        document.body.appendchild(lightboxhtml);
        var modal = document.getelementbyid('glightbox-body');
        this.modal = modal;
        var closebutton = modal.queryselector('.gclose');
        this.prevbutton = modal.queryselector('.gprev');
        this.nextbutton = modal.queryselector('.gnext');
        this.overlay = modal.queryselector('.goverlay');
        this.loader = modal.queryselector('.gloader');
        this.slidescontainer = document.getelementbyid('glightbox-slider');
        this.events = {};
        addclass(this.modal, 'glightbox-' + this.settings.skin);

        if (this.settings.closebutton && closebutton) {
          this.events['close'] = addevent('click', {
            onelement: closebutton,
            withcallback: function withcallback(e, target) {
              e.preventdefault();

              _this12.close();
            }
          });
        }

        if (closebutton && !this.settings.closebutton) {
          closebutton.parentnode.removechild(closebutton);
        }

        if (this.nextbutton) {
          this.events['next'] = addevent('click', {
            onelement: this.nextbutton,
            withcallback: function withcallback(e, target) {
              e.preventdefault();

              _this12.nextslide();
            }
          });
        }

        if (this.prevbutton) {
          this.events['prev'] = addevent('click', {
            onelement: this.prevbutton,
            withcallback: function withcallback(e, target) {
              e.preventdefault();

              _this12.prevslide();
            }
          });
        }

        if (this.settings.closeonoutsideclick) {
          this.events['outclose'] = addevent('click', {
            onelement: modal,
            withcallback: function withcallback(e, target) {
              if (!hasclass(document.body, 'glightbox-mobile') && !getclosest(e.target, '.ginner-container')) {
                if (!getclosest(e.target, '.gbtn') && !hasclass(e.target, 'gnext') && !hasclass(e.target, 'gprev')) {
                  _this12.close();
                }
              }
            }
          });
        }

        each(this.elements, function () {
          var slide = createhtml(_this12.settings.slidehtml);

          _this12.slidescontainer.appendchild(slide);
        });

        if (istouch) {
          addclass(document.body, 'glightbox-touch');
        }

        this.events['resize'] = addevent('resize', {
          onelement: window,
          withcallback: function withcallback() {
            _this12.resize();
          }
        });
        this.built = true;
      }
    }, {
      key: "resize",
      value: function resize() {
        var slide = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
        slide = !slide ? this.activeslide : slide;

        if (!slide || hasclass(slide, 'zoomed')) {
          return;
        }

        var winsize = windowsize();
        var video = slide.queryselector('.gvideo-wrapper');
        var image = slide.queryselector('.gslide-image');
        var description = this.slidedescription;
        var winwidth = winsize.width;
        var winheight = winsize.height;

        if (winwidth <= 768) {
          addclass(document.body, 'glightbox-mobile');
        } else {
          removeclass(document.body, 'glightbox-mobile');
        }

        if (!video && !image) {
          return;
        }

        var descriptionresize = false;

        if (description && (hasclass(description, 'description-bottom') || hasclass(description, 'description-top')) && !hasclass(description, 'gabsolute')) {
          descriptionresize = true;
        }

        if (image) {
          if (winwidth <= 768) {
            var imgnode = image.queryselector('img');
            imgnode.setattribute('style', '');
          } else if (descriptionresize) {
            var descheight = description.offsetheight;
            var maxwidth = this.slidesdata[this.index].width;
            maxwidth = maxwidth <= winwidth ? maxwidth + 'px' : '100%';

            var _imgnode = image.queryselector('img');

            _imgnode.setattribute('style', "max-height: calc(100vh - ".concat(descheight, "px)"));

            description.setattribute('style', "max-width: ".concat(_imgnode.offsetwidth, "px;"));
          }
        }

        if (video) {
          var ratio = utils.has(this.settings.plyr.config, 'ratio') ? this.settings.plyr.config.ratio : '16:9';
          var videoratio = ratio.split(':');
          var _maxwidth = this.slidesdata[this.index].width;

          var maxheight = _maxwidth / (parseint(videoratio[0]) / parseint(videoratio[1]));

          maxheight = math.floor(maxheight);

          if (descriptionresize) {
            winheight = winheight - description.offsetheight;
          }

          if (winheight < maxheight && winwidth > _maxwidth) {
            var vwidth = video.offsetwidth;
            var vheight = video.offsetheight;

            var _ratio = winheight / vheight;

            var vsize = {
              width: vwidth * _ratio,
              height: vheight * _ratio
            };
            video.parentnode.setattribute('style', "max-width: ".concat(vsize.width, "px"));

            if (descriptionresize) {
              description.setattribute('style', "max-width: ".concat(vsize.width, "px;"));
            }
          } else {
            video.parentnode.style.maxwidth = "".concat(_maxwidth, "px");

            if (descriptionresize) {
              description.setattribute('style', "max-width: ".concat(_maxwidth, "px;"));
            }
          }
        }
      }
    }, {
      key: "reload",
      value: function reload() {
        this.init();
      }
    }, {
      key: "updatenavigationclasses",
      value: function updatenavigationclasses() {
        var loop = this.loop();
        removeclass(this.nextbutton, 'disabled');
        removeclass(this.prevbutton, 'disabled');

        if (this.index == 0 && this.elements.length - 1 == 0) {
          addclass(this.prevbutton, 'disabled');
          addclass(this.nextbutton, 'disabled');
        } else if (this.index === 0 && !loop) {
          addclass(this.prevbutton, 'disabled');
        } else if (this.index === this.elements.length - 1 && !loop) {
          addclass(this.nextbutton, 'disabled');
        }
      }
    }, {
      key: "loop",
      value: function loop() {
        var loop = utils.has(this.settings, 'loopatend') ? this.settings.loopatend : null;
        loop = utils.has(this.settings, 'loop') ? this.settings.loop : loop;
        return loop;
      }
    }, {
      key: "close",
      value: function close() {
        var _this13 = this;

        if (!this.lightboxopen) {
          if (this.events) {
            for (var key in this.events) {
              if (this.events.hasownproperty(key)) {
                this.events[key].destroy();
              }
            }

            this.events = null;
          }

          return false;
        }

        if (this.closing) {
          return false;
        }

        this.closing = true;
        this.stopslidevideo(this.activeslide);
        addclass(this.modal, 'glightbox-closing');
        animateelement(this.overlay, this.settings.openeffect == 'none' ? 'none' : this.settings.cssefects.fade.out);
        animateelement(this.activeslide, this.settings.closeeffect, function () {
          _this13.activeslide = null;
          _this13.prevactiveslideindex = null;
          _this13.prevactiveslide = null;
          _this13.built = false;

          if (_this13.events) {
            for (var _key in _this13.events) {
              if (_this13.events.hasownproperty(_key)) {
                _this13.events[_key].destroy();
              }
            }

            _this13.events = null;
          }

          var body = document.body;
          removeclass(html, 'glightbox-open');
          removeclass(body, 'glightbox-open touching gdesc-open glightbox-touch glightbox-mobile gscrollbar-fixer');

          _this13.modal.parentnode.removechild(_this13.modal);

          if (utils.isfunction(_this13.settings.onclose)) {
            _this13.settings.onclose();
          }

          var styles = document.queryselector('.gcss-styles');

          if (styles) {
            styles.parentnode.removechild(styles);
          }

          _this13.lightboxopen = false;
          _this13.closing = null;
        });
      }
    }, {
      key: "destroy",
      value: function destroy() {
        this.close();
        this.baseevents.destroy();
      }
    }]);

    return glightboxinit;
  }();

  function glightbox () {
    var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var instance = new glightboxinit(options);
    instance.init();
    return instance;
  }

  return glightbox;

})));