define(["exports","./util"],function(a,b){"use strict";function c(a){return a&&a.__esModule?a:{"default":a}}function d(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(a,"__esModule",{value:!0});var e=c(b),f="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol?"symbol":typeof a},g=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(a,d.key,d)}}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),h=function(a){var b="carousel",c="4.0.0-alpha.4",h="bs.carousel",i="."+h,j=".data-api",k=a.fn[b],l=600,m=37,n=39,o={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},p={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},q={NEXT:"next",PREVIOUS:"prev"},r={SLIDE:"slide"+i,SLID:"slid"+i,KEYDOWN:"keydown"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i,LOAD_DATA_API:"load"+i+j,CLICK_DATA_API:"click"+i+j},s={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"right",LEFT:"left",ITEM:"carousel-item"},t={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".next, .prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},u=function(){function j(b,c){d(this,j),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this._config=this._getConfig(c),this._element=a(b)[0],this._indicatorsElement=a(this._element).find(t.INDICATORS)[0],this._addEventListeners()}return g(j,[{key:"next",value:function(){this._isSliding||this._slide(q.NEXT)}},{key:"nextWhenVisible",value:function(){document.hidden||this.next()}},{key:"prev",value:function(){this._isSliding||this._slide(q.PREVIOUS)}},{key:"pause",value:function(b){b||(this._isPaused=!0),a(this._element).find(t.NEXT_PREV)[0]&&e["default"].supportsTransitionEnd()&&(e["default"].triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null}},{key:"cycle",value:function(b){b||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval(a.proxy(document.visibilityState?this.nextWhenVisible:this.next,this),this._config.interval))}},{key:"to",value:function(b){var c=this;this._activeElement=a(this._element).find(t.ACTIVE_ITEM)[0];var d=this._getItemIndex(this._activeElement);if(!(b>this._items.length-1||b<0)){if(this._isSliding)return void a(this._element).one(r.SLID,function(){return c.to(b)});if(d===b)return this.pause(),void this.cycle();var e=b>d?q.NEXT:q.PREVIOUS;this._slide(e,this._items[b])}}},{key:"dispose",value:function(){a(this._element).off(i),a.removeData(this._element,h),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null}},{key:"_getConfig",value:function(c){return c=a.extend({},o,c),e["default"].typeCheckConfig(b,c,p),c}},{key:"_addEventListeners",value:function(){this._config.keyboard&&a(this._element).on(r.KEYDOWN,a.proxy(this._keydown,this)),"hover"!==this._config.pause||"ontouchstart"in document.documentElement||a(this._element).on(r.MOUSEENTER,a.proxy(this.pause,this)).on(r.MOUSELEAVE,a.proxy(this.cycle,this))}},{key:"_keydown",value:function(a){if(a.preventDefault(),!/input|textarea/i.test(a.target.tagName))switch(a.which){case m:this.prev();break;case n:this.next();break;default:return}}},{key:"_getItemIndex",value:function(b){return this._items=a.makeArray(a(b).parent().find(t.ITEM)),this._items.indexOf(b)}},{key:"_getItemByDirection",value:function(a,b){var c=a===q.NEXT,d=a===q.PREVIOUS,e=this._getItemIndex(b),f=this._items.length-1,g=d&&0===e||c&&e===f;if(g&&!this._config.wrap)return b;var h=a===q.PREVIOUS?-1:1,i=(e+h)%this._items.length;return i===-1?this._items[this._items.length-1]:this._items[i]}},{key:"_triggerSlideEvent",value:function(b,c){var d=a.Event(r.SLIDE,{relatedTarget:b,direction:c});return a(this._element).trigger(d),d}},{key:"_setActiveIndicatorElement",value:function(b){if(this._indicatorsElement){a(this._indicatorsElement).find(t.ACTIVE).removeClass(s.ACTIVE);var c=this._indicatorsElement.children[this._getItemIndex(b)];c&&a(c).addClass(s.ACTIVE)}}},{key:"_slide",value:function(b,c){var d=this,f=a(this._element).find(t.ACTIVE_ITEM)[0],g=c||f&&this._getItemByDirection(b,f),h=Boolean(this._interval),i=b===q.NEXT?s.LEFT:s.RIGHT;if(g&&a(g).hasClass(s.ACTIVE))return void(this._isSliding=!1);var j=this._triggerSlideEvent(g,i);if(!j.isDefaultPrevented()&&f&&g){this._isSliding=!0,h&&this.pause(),this._setActiveIndicatorElement(g);var k=a.Event(r.SLID,{relatedTarget:g,direction:i});e["default"].supportsTransitionEnd()&&a(this._element).hasClass(s.SLIDE)?(a(g).addClass(b),e["default"].reflow(g),a(f).addClass(i),a(g).addClass(i),a(f).one(e["default"].TRANSITION_END,function(){a(g).removeClass(i).removeClass(b),a(g).addClass(s.ACTIVE),a(f).removeClass(s.ACTIVE).removeClass(b).removeClass(i),d._isSliding=!1,setTimeout(function(){return a(d._element).trigger(k)},0)}).emulateTransitionEnd(l)):(a(f).removeClass(s.ACTIVE),a(g).addClass(s.ACTIVE),this._isSliding=!1,a(this._element).trigger(k)),h&&this.cycle()}}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(h),d=a.extend({},o,a(this).data());"object"===("undefined"==typeof b?"undefined":f(b))&&a.extend(d,b);var e="string"==typeof b?b:d.slide;if(c||(c=new j(this,d),a(this).data(h,c)),"number"==typeof b)c.to(b);else if("string"==typeof e){if(void 0===c[e])throw new Error('No method named "'+e+'"');c[e]()}else d.interval&&(c.pause(),c.cycle())})}},{key:"_dataApiClickHandler",value:function(b){var c=e["default"].getSelectorFromElement(this);if(c){var d=a(c)[0];if(d&&a(d).hasClass(s.CAROUSEL)){var f=a.extend({},a(d).data(),a(this).data()),g=this.getAttribute("data-slide-to");g&&(f.interval=!1),j._jQueryInterface.call(a(d),f),g&&a(d).data(h).to(g),b.preventDefault()}}}},{key:"VERSION",get:function(){return c}},{key:"Default",get:function(){return o}}]),j}();return a(document).on(r.CLICK_DATA_API,t.DATA_SLIDE,u._dataApiClickHandler),a(window).on(r.LOAD_DATA_API,function(){a(t.DATA_RIDE).each(function(){var b=a(this);u._jQueryInterface.call(b,b.data())})}),a.fn[b]=u._jQueryInterface,a.fn[b].Constructor=u,a.fn[b].noConflict=function(){return a.fn[b]=k,u._jQueryInterface},u}(jQuery);a["default"]=h});