!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.Drift=e()}}(function(){return function e(t,n,i){function s(l,a){if(!n[l]){if(!t[l]){var r="function"==typeof require&&require;if(!a&&r)return r(l,!0);if(o)return o(l,!0);var h=new Error("Cannot find module '"+l+"'");throw h.code="MODULE_NOT_FOUND",h}var d=n[l]={exports:{}};t[l][0].call(d.exports,function(e){var n=t[l][1][e];return s(n?n:e)},d,d.exports,e,t,n,i)}return n[l].exports}for(var o="function"==typeof require&&require,l=0;l<i.length;l++)s(i[l]);return s}({1:[function(e,t,n){"use strict";function i(e){return e&&e.__esModule?e:{"default":e}}function s(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(n,"__esModule",{value:!0});var o=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),l=e("./util/throwIfMissing"),a=i(l),r=e("./util/dom"),h=function(){function e(t){s(this,e),this.isShowing=!1;var n=t.namespace,i=void 0===n?null:n,o=t.zoomFactor,l=void 0===o?(0,a["default"])():o,r=t.containerEl,h=void 0===r?(0,a["default"])():r;this.settings={namespace:i,zoomFactor:l,containerEl:h},this.openClasses=this._buildClasses("open"),this._buildElement()}return o(e,[{key:"_buildClasses",value:function(e){var t=["drift-"+e],n=this.settings.namespace;return n&&t.push(n+"-"+e),t}},{key:"_buildElement",value:function(){this.el=document.createElement("div"),(0,r.addClasses)(this.el,this._buildClasses("bounding-box"))}},{key:"show",value:function(e,t){this.isShowing=!0,this.settings.containerEl.appendChild(this.el);var n=this.el.style;n.width=Math.round(e/this.settings.zoomFactor)+"px",n.height=Math.round(t/this.settings.zoomFactor)+"px",(0,r.addClasses)(this.el,this.openClasses)}},{key:"hide",value:function(){this.isShowing&&this.settings.containerEl.removeChild(this.el),this.isShowing=!1,(0,r.removeClasses)(this.el,this.openClasses)}},{key:"setPosition",value:function(e,t,n){var i=window.pageXOffset,s=window.pageYOffset,o=n.left+e*n.width-this.el.clientWidth/2+i,l=n.top+t*n.height-this.el.clientHeight/2+s;this.el.getBoundingClientRect();o<n.left+i?o=n.left+i:o+this.el.clientWidth>n.left+n.width+i&&(o=n.left+n.width-this.el.clientWidth+i),l<n.top+s?l=n.top+s:l+this.el.clientHeight>n.top+n.height+s&&(l=n.top+n.height-this.el.clientHeight+s),this.el.style.left=o+"px",this.el.style.top=l+"px"}}]),e}();n["default"]=h},{"./util/dom":6,"./util/throwIfMissing":7}],2:[function(e,t,n){"use strict";function i(e){return e&&e.__esModule?e:{"default":e}}function s(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}var o=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),l=e("./util/dom"),a=e("./injectBaseStylesheet"),r=i(a),h=e("./Trigger"),d=i(h),u=e("./ZoomPane"),c=i(u);t.exports=function(){function e(t){var n=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(s(this,e),this.VERSION="1.2.0",this.destroy=function(){n.trigger._unbindEvents()},this.triggerEl=t,!(0,l.isDOMElement)(this.triggerEl))throw new TypeError("`new Drift` requires a DOM element as its first argument.");var o=i.namespace,a=void 0===o?null:o,h=i.showWhitespaceAtEdges,d=void 0!==h&&h,u=i.containInline,c=void 0!==u&&u,f=i.inlineOffsetX,m=void 0===f?0:f,g=i.inlineOffsetY,v=void 0===g?0:g,p=i.inlineContainer,y=void 0===p?document.body:p,b=i.sourceAttribute,w=void 0===b?"data-zoom":b,_=i.zoomFactor,E=void 0===_?3:_,C=i.paneContainer,B=void 0===C?document.body:C,x=i.inlinePane,z=void 0===x?375:x,k=i.handleTouch,S=void 0===k||k,L=i.onShow,M=void 0===L?null:L,O=i.onHide,P=void 0===O?null:O,T=i.injectBaseStyles,D=void 0===T||T,H=i.hoverDelay,A=void 0===H?0:H,I=i.touchDelay,F=void 0===I?0:I,W=i.hoverBoundingBox,j=void 0!==W&&W,R=i.touchBoundingBox,X=void 0!==R&&R;if(z!==!0&&!(0,l.isDOMElement)(B))throw new TypeError("`paneContainer` must be a DOM element when `inlinePane !== true`");if(!(0,l.isDOMElement)(y))throw new TypeError("`inlineContainer` must be a DOM element");this.settings={namespace:a,showWhitespaceAtEdges:d,containInline:c,inlineOffsetX:m,inlineOffsetY:v,inlineContainer:y,sourceAttribute:w,zoomFactor:E,paneContainer:B,inlinePane:z,handleTouch:S,onShow:M,onHide:P,injectBaseStyles:D,hoverDelay:A,touchDelay:F,hoverBoundingBox:j,touchBoundingBox:X},this.settings.injectBaseStyles&&(0,r["default"])(),this._buildZoomPane(),this._buildTrigger()}return o(e,[{key:"_buildZoomPane",value:function(){this.zoomPane=new c["default"]({container:this.settings.paneContainer,zoomFactor:this.settings.zoomFactor,showWhitespaceAtEdges:this.settings.showWhitespaceAtEdges,containInline:this.settings.containInline,inline:this.settings.inlinePane,namespace:this.settings.namespace,inlineOffsetX:this.settings.inlineOffsetX,inlineOffsetY:this.settings.inlineOffsetY,inlineContainer:this.settings.inlineContainer})}},{key:"_buildTrigger",value:function(){this.trigger=new d["default"]({el:this.triggerEl,zoomPane:this.zoomPane,handleTouch:this.settings.handleTouch,onShow:this.settings.onShow,onHide:this.settings.onHide,sourceAttribute:this.settings.sourceAttribute,hoverDelay:this.settings.hoverDelay,touchDelay:this.settings.touchDelay,hoverBoundingBox:this.settings.hoverBoundingBox,touchBoundingBox:this.settings.touchBoundingBox,namespace:this.settings.namespace,zoomFactor:this.settings.zoomFactor})}},{key:"setZoomImageURL",value:function(e){this.zoomPane._setImageURL(e)}},{key:"disable",value:function(){this.trigger.enabled=!1}},{key:"enable",value:function(){this.trigger.enabled=!0}},{key:"isShowing",get:function(){return this.zoomPane.isShowing}},{key:"zoomFactor",get:function(){return this.settings.zoomFactor},set:function(e){this.settings.zoomFactor=e,this.zoomPane.settings.zoomFactor=e}}]),e}()},{"./Trigger":3,"./ZoomPane":4,"./injectBaseStylesheet":5,"./util/dom":6}],3:[function(e,t,n){"use strict";function i(e){return e&&e.__esModule?e:{"default":e}}function s(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(n,"__esModule",{value:!0});var o=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),l=e("./util/throwIfMissing"),a=i(l),r=e("./BoundingBox"),h=i(r),d=function(){function e(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};s(this,e),u.call(this);var n=t.el,i=void 0===n?(0,a["default"])():n,o=t.zoomPane,l=void 0===o?(0,a["default"])():o,r=t.sourceAttribute,d=void 0===r?(0,a["default"])():r,c=t.handleTouch,f=void 0===c?(0,a["default"])():c,m=t.onShow,g=void 0===m?null:m,v=t.onHide,p=void 0===v?null:v,y=t.hoverDelay,b=void 0===y?0:y,w=t.touchDelay,_=void 0===w?0:w,E=t.hoverBoundingBox,C=void 0===E?(0,a["default"])():E,B=t.touchBoundingBox,x=void 0===B?(0,a["default"])():B,z=t.namespace,k=void 0===z?null:z,S=t.zoomFactor,L=void 0===S?(0,a["default"])():S;this.settings={el:i,zoomPane:l,sourceAttribute:d,handleTouch:f,onShow:g,onHide:p,hoverDelay:b,touchDelay:_,hoverBoundingBox:C,touchBoundingBox:x,namespace:k,zoomFactor:L},(this.settings.hoverBoundingBox||this.settings.touchBoundingBox)&&(this.boundingBox=new h["default"]({namespace:this.settings.namespace,zoomFactor:this.settings.zoomFactor,containerEl:this.settings.el.offsetParent})),this.enabled=!0,this._bindEvents()}return o(e,[{key:"_bindEvents",value:function(){this.settings.el.addEventListener("mouseenter",this._handleEntry,!1),this.settings.el.addEventListener("mouseleave",this._hide,!1),this.settings.el.addEventListener("mousemove",this._handleMovement,!1),this.settings.handleTouch&&(this.settings.el.addEventListener("touchstart",this._handleEntry,!1),this.settings.el.addEventListener("touchend",this._hide,!1),this.settings.el.addEventListener("touchmove",this._handleMovement,!1))}},{key:"_unbindEvents",value:function(){this.settings.el.removeEventListener("mouseenter",this._handleEntry,!1),this.settings.el.removeEventListener("mouseleave",this._hide,!1),this.settings.el.removeEventListener("mousemove",this._handleMovement,!1),this.settings.handleTouch&&(this.settings.el.removeEventListener("touchstart",this._handleEntry,!1),this.settings.el.removeEventListener("touchend",this._hide,!1),this.settings.el.removeEventListener("touchmove",this._handleMovement,!1))}},{key:"isShowing",get:function(){return this.settings.zoomPane.isShowing}}]),e}(),u=function(){var e=this;this._handleEntry=function(t){t.preventDefault(),e._lastMovement=t,"mouseenter"==t.type&&e.settings.hoverDelay?e.entryTimeout=setTimeout(e._show,e.settings.hoverDelay):e.settings.touchDelay?e.entryTimeout=setTimeout(e._show,e.settings.touchDelay):e._show()},this._show=function(){if(e.enabled){var t=e.settings.onShow;if(t&&"function"==typeof t&&t(),e.settings.zoomPane.show(e.settings.el.getAttribute(e.settings.sourceAttribute),e.settings.el.clientWidth,e.settings.el.clientHeight),e._lastMovement){var n=e._lastMovement.touches;(n&&e.settings.touchBoundingBox||!n&&e.settings.hoverBoundingBox)&&e.boundingBox.show(e.settings.zoomPane.el.clientWidth,e.settings.zoomPane.el.clientHeight)}e._handleMovement()}},this._hide=function(t){t.preventDefault(),e._lastMovement=null,e.entryTimeout&&clearTimeout(e.entryTimeout),e.boundingBox&&e.boundingBox.hide();var n=e.settings.onHide;n&&"function"==typeof n&&n(),e.settings.zoomPane.hide()},this._handleMovement=function(t){if(t)t.preventDefault(),e._lastMovement=t;else{if(!e._lastMovement)return;t=e._lastMovement}var n=void 0,i=void 0;if(t.touches){var s=t.touches[0];n=s.clientX,i=s.clientY}else n=t.clientX,i=t.clientY;var o=e.settings.el,l=o.getBoundingClientRect(),a=n-l.left,r=i-l.top,h=a/e.settings.el.clientWidth,d=r/e.settings.el.clientHeight;e.boundingBox&&e.boundingBox.setPosition(h,d,l),e.settings.zoomPane.setPosition(h,d,l)}};n["default"]=d},{"./BoundingBox":1,"./util/throwIfMissing":7}],4:[function(e,t,n){"use strict";function i(e){return e&&e.__esModule?e:{"default":e}}function s(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(n,"__esModule",{value:!0});var o=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),l=e("./util/throwIfMissing"),a=i(l),r=e("./util/dom"),h=document.createElement("div").style,d="undefined"!=typeof document&&("animation"in h||"webkitAnimation"in h),u=function(){function e(){var t=this,n=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};s(this,e),this._completeShow=function(){t.el.removeEventListener("animationend",t._completeShow,!1),t.el.removeEventListener("webkitAnimationEnd",t._completeShow,!1),(0,r.removeClasses)(t.el,t.openingClasses)},this._completeHide=function(){t.el.removeEventListener("animationend",t._completeHide,!1),t.el.removeEventListener("webkitAnimationEnd",t._completeHide,!1),(0,r.removeClasses)(t.el,t.openClasses),(0,r.removeClasses)(t.el,t.closingClasses),(0,r.removeClasses)(t.el,t.inlineClasses),t.el.setAttribute("style",""),t.el.parentElement===t.settings.container?t.settings.container.removeChild(t.el):t.el.parentElement===t.settings.inlineContainer&&t.settings.inlineContainer.removeChild(t.el)},this._handleLoad=function(){t.imgEl.removeEventListener("load",t._handleLoad,!1),(0,r.removeClasses)(t.el,t.loadingClasses)},this.isShowing=!1;var i=n.container,o=void 0===i?null:i,l=n.zoomFactor,h=void 0===l?(0,a["default"])():l,d=n.inline,u=void 0===d?(0,a["default"])():d,c=n.namespace,f=void 0===c?null:c,m=n.showWhitespaceAtEdges,g=void 0===m?(0,a["default"])():m,v=n.containInline,p=void 0===v?(0,a["default"])():v,y=n.inlineOffsetX,b=void 0===y?0:y,w=n.inlineOffsetY,_=void 0===w?0:w,E=n.inlineContainer,C=void 0===E?document.body:E;this.settings={container:o,zoomFactor:h,inline:u,namespace:f,showWhitespaceAtEdges:g,containInline:p,inlineOffsetX:b,inlineOffsetY:_,inlineContainer:C},this.openClasses=this._buildClasses("open"),this.openingClasses=this._buildClasses("opening"),this.closingClasses=this._buildClasses("closing"),this.inlineClasses=this._buildClasses("inline"),this.loadingClasses=this._buildClasses("loading"),this._buildElement()}return o(e,[{key:"_buildClasses",value:function(e){var t=["drift-"+e],n=this.settings.namespace;return n&&t.push(n+"-"+e),t}},{key:"_buildElement",value:function(){this.el=document.createElement("div"),(0,r.addClasses)(this.el,this._buildClasses("zoom-pane"));var e=document.createElement("div");(0,r.addClasses)(e,this._buildClasses("zoom-pane-loader")),this.el.appendChild(e),this.imgEl=document.createElement("img"),this.el.appendChild(this.imgEl)}},{key:"_setImageURL",value:function(e){this.imgEl.setAttribute("src",e)}},{key:"_setImageSize",value:function(e,t){this.imgEl.style.width=e*this.settings.zoomFactor+"px",this.imgEl.style.height=t*this.settings.zoomFactor+"px"}},{key:"setPosition",value:function(e,t,n){var i=-(this.imgEl.clientWidth*e-this.el.clientWidth/2),s=-(this.imgEl.clientHeight*t-this.el.clientHeight/2),o=-(this.imgEl.clientWidth-this.el.clientWidth),l=-(this.imgEl.clientHeight-this.el.clientHeight);if(this.el.parentElement===this.settings.inlineContainer){var a=window.pageXOffset,r=window.pageYOffset,h=n.left+e*n.width-this.el.clientWidth/2+this.settings.inlineOffsetX+a,d=n.top+t*n.height-this.el.clientHeight/2+this.settings.inlineOffsetY+r;if(this.settings.containInline){this.el.getBoundingClientRect();h<n.left+a?h=n.left+a:h+this.el.clientWidth>n.left+n.width+a&&(h=n.left+n.width-this.el.clientWidth+a),d<n.top+r?d=n.top+r:d+this.el.clientHeight>n.top+n.height+r&&(d=n.top+n.height-this.el.clientHeight+r)}this.el.style.left=h+"px",this.el.style.top=d+"px"}this.settings.showWhitespaceAtEdges||(i>0?i=0:i<o&&(i=o),s>0?s=0:s<l&&(s=l)),this.imgEl.style.transform="translate("+i+"px, "+s+"px)",this.imgEl.style.webkitTransform="translate("+i+"px, "+s+"px)"}},{key:"_removeListenersAndResetClasses",value:function(){this.el.removeEventListener("animationend",this._completeShow,!1),this.el.removeEventListener("animationend",this._completeHide,!1),this.el.removeEventListener("webkitAnimationEnd",this._completeShow,!1),this.el.removeEventListener("webkitAnimationEnd",this._completeHide,!1),(0,r.removeClasses)(this.el,this.openClasses),(0,r.removeClasses)(this.el,this.closingClasses)}},{key:"show",value:function(e,t,n){this._removeListenersAndResetClasses(),this.isShowing=!0,(0,r.addClasses)(this.el,this.openClasses),(0,r.addClasses)(this.el,this.loadingClasses),this.imgEl.addEventListener("load",this._handleLoad,!1),this._setImageURL(e),this._setImageSize(t,n),this._isInline?this._showInline():this._showInContainer(),d&&(this.el.addEventListener("animationend",this._completeShow,!1),this.el.addEventListener("webkitAnimationEnd",this._completeShow,!1),(0,r.addClasses)(this.el,this.openingClasses))}},{key:"_showInline",value:function(){this.settings.inlineContainer.appendChild(this.el),(0,r.addClasses)(this.el,this.inlineClasses)}},{key:"_showInContainer",value:function(){this.settings.container.appendChild(this.el)}},{key:"hide",value:function(){this._removeListenersAndResetClasses(),this.isShowing=!1,d?(this.el.addEventListener("animationend",this._completeHide,!1),this.el.addEventListener("webkitAnimationEnd",this._completeHide,!1),(0,r.addClasses)(this.el,this.closingClasses)):((0,r.removeClasses)(this.el,this.openClasses),(0,r.removeClasses)(this.el,this.inlineClasses))}},{key:"_isInline",get:function(){var e=this.settings.inline;return e===!0||"number"==typeof e&&window.innerWidth<=e}}]),e}();n["default"]=u},{"./util/dom":6,"./util/throwIfMissing":7}],5:[function(e,t,n){"use strict";function i(){if(!document.querySelector(".drift-base-styles")){var e=document.createElement("style");e.type="text/css",e.classList.add("drift-base-styles"),e.appendChild(document.createTextNode(s));var t=document.head;t.insertBefore(e,t.firstChild)}}Object.defineProperty(n,"__esModule",{value:!0}),n["default"]=i;var s="\n@keyframes noop {\n  0% { zoom: 1; }\n}\n\n@-webkit-keyframes noop {\n  0% { zoom: 1; }\n}\n\n.drift-zoom-pane.drift-open {\n  display: block;\n}\n\n.drift-zoom-pane.drift-opening, .drift-zoom-pane.drift-closing {\n  animation: noop 1ms;\n  -webkit-animation: noop 1ms;\n}\n\n.drift-zoom-pane {\n  position: absolute;\n  overflow: hidden;\n  width: 100%;\n  height: 100%;\n  top: 0;\n  left: 0;\n  pointer-events: none;\n}\n\n.drift-zoom-pane-loader {\n  display: none;\n}\n\n.drift-zoom-pane img {\n  position: absolute;\n  display: block;\n  max-width: none;\n  max-height: none;\n}\n\n.drift-bounding-box {\n  position: absolute;\n  pointer-events: none;\n}\n"},{}],6:[function(e,t,n){"use strict";function i(e){return r?e instanceof HTMLElement:e&&"object"===("undefined"==typeof e?"undefined":a(e))&&null!==e&&1===e.nodeType&&"string"==typeof e.nodeName}function s(e,t){t.forEach(function(t){e.classList.add(t)})}function o(e,t){t.forEach(function(t){e.classList.remove(t)})}var l="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};Object.defineProperty(n,"__esModule",{value:!0});var a="function"==typeof Symbol&&"symbol"===l(Symbol.iterator)?function(e){return"undefined"==typeof e?"undefined":l(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":"undefined"==typeof e?"undefined":l(e)};n.isDOMElement=i,n.addClasses=s,n.removeClasses=o;var r="object"===("undefined"==typeof HTMLElement?"undefined":a(HTMLElement))},{}],7:[function(e,t,n){"use strict";function i(){throw new Error("Missing parameter")}Object.defineProperty(n,"__esModule",{value:!0}),n["default"]=i},{}]},{},[2])(2)});