@lan-ui/lan-ui/lib/lan.min.js

A fantastic mobile ui lib implement by Vue

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 * Released under the MIT License.
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var E=function(){function t(t,e){var i=[],a=!0,n=!1,l=void 0;try{for(var u,o=t[Symbol.iterator]();!(a=(u=o.next()).done)&&(i.push(u.value),!e||i.length!==e);a=!0);}catch(t){n=!0,l=t}finally{try{!a&&o.return&&o.return()}finally{if(n)throw l}}return i}return function(e,i){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return t(e,i);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),I=function(t){if(Array.isArray(t)){for(var e=0,i=Array(t.length);e<t.length;e++)i[e]=t[e];return i}return Array.from(t)},O="undefined"!=typeof window,$=O&&navigator.userAgent.toLowerCase(),D=$&&/wechatdevtools/.test($),V=$&&$.indexOf("android")>0,j=O&&document.createElement("div").style,A=function(){if(!O)return!1;var t={webkit:"webkitTransform",Moz:"MozTransform",O:"OTransform",ms:"msTransform",standard:"transform"};for(var e in t)if(void 0!==j[t[e]])return e;return!1}(),H=o("transform"),R=O&&o("perspective")in j,N=O&&("ontouchstart"in 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e=Math.max(this.indicatorHeight+3*t,8);this.indicatorStyle.height=e+"px",t=0}else if(t>this.maxPosY){this.transitionTime(500);var i=Math.max(this.indicatorHeight-3*(t-this.maxPosY),8);this.indicatorStyle.height=i+"px",t=this.maxPosY+this.indicatorHeight-i}else this.indicatorStyle.height=this.indicatorHeight+"px";this.y=t,this.scroller.options.useTransform?this.indicatorStyle[B.transform]="translateY("+t+"px)"+this.scroller.translateZ:this.indicatorStyle.top=t+"px"}else{var a=Math.round(this.sizeRatioX*this.scroller.x);if(a<0){this.transitionTime(500);var n=Math.max(this.indicatorWidth+3*a,8);this.indicatorStyle.width=n+"px",a=0}else if(a>this.maxPosX){this.transitionTime(500);var l=Math.max(this.indicatorWidth-3*(a-this.maxPosX),8);this.indicatorStyle.width=l+"px",a=this.maxPosX+this.indicatorWidth-l}else 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e=t.touches?t.touches[0]:t;t.preventDefault(),t.stopPropagation(),this.moved||this.scroller.trigger("scrollStart"),this.moved=!0;var i=e.pageX-this.lastPointX;this.lastPointX=e.pageX;var a=e.pageY-this.lastPointY;this.lastPointY=e.pageY;var n=this.x+i,l=this.y+a;this._pos(n,l)},k.prototype._end=function(t){if(this.initiated){this.initiated=!1,t.preventDefault(),t.stopPropagation(),this._handleMoveEvents(r);var e=this.scroller.options.snap;if(e){var i=e.speed,a=e.easing,n=void 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t=this.wrapper.clientHeight;this.indicatorHeight=Math.max(Math.round(t*t/(this.scroller.scrollerHeight||t||1)),8),this.indicatorStyle.height=this.indicatorHeight+"px",this.maxPosY=t-this.indicatorHeight,this.sizeRatioY=this.maxPosY/this.scroller.maxScrollY}else{var e=this.wrapper.clientWidth;this.indicatorWidth=Math.max(Math.round(e*e/(this.scroller.scrollerWidth||e||1)),8),this.indicatorStyle.width=this.indicatorWidth+"px",this.maxPosX=e-this.indicatorWidth,this.sizeRatioX=this.maxPosX/this.scroller.maxScrollX}},k.prototype._addDOMEvents=function(){var t=c;this._handleDOMEvents(t)},k.prototype._removeDOMEvents=function(){var t=r;this._handleDOMEvents(t),this._handleMoveEvents(t)},k.prototype._handleMoveEvents=function(t){this.scroller.options.disableTouch||t(window,"touchmove",this),this.scroller.options.disableMouse||t(window,"mousemove",this)},k.prototype._handleDOMEvents=function(t){this.scroller.options.disableTouch||(t(this.indicator,"touchstart",this),t(window,"touchend",this)),this.scroller.options.disableMouse||(t(this.indicator,"mousedown",this),t(window,"mouseup",this))};var et=2e3;M.prototype.onScroll=function(){var t=-this.scroller.y,e=t-this.anchorScrollTop;this.anchorItem=0===t?{index:0,offset:0}:this._calculateAnchoredItem(this.anchorItem,e),this.anchorScrollTop=t;var i=this._calculateAnchoredItem(this.anchorItem,this.wrapperEl.offsetHeight),a=this.anchorItem.index,n=i.index;e<0?(a-=30,n+=10):(a-=10,n+=30),this.fill(a,n),this.maybeRequestContent()},M.prototype.onResize=function(){var t=this.options.createTombstone();t.style.position="absolute",this.scrollerEl.appendChild(t),t.style.display="",this.tombstoneHeight=t.offsetHeight,this.tombstoneWidth=t.offsetWidth,this.scrollerEl.removeChild(t);for(var e=0;e<this.items.length;e++)this.items[e].height=this.items[e].width=0;this.onScroll()},M.prototype.fill=function(t,e){this.firstAttachedItem=Math.max(0,t),this.hasMore||(e=Math.min(e,this.items.length)),this.lastAttachedItem=e,this.attachContent()},M.prototype.maybeRequestContent=function(){var t=this;if(!this.requestInProgress&&this.hasMore){var e=this.lastAttachedItem-this.loadedItems;e<=0||(this.requestInProgress=!0,this.options.fetch(e).then(function(e){if(t.requestInProgress=!1,e)t.addContent(e);else{t.hasMore=!1;var i=t._removeTombstones(),a=0;t.anchorItem.index<=t.items.length?(a=t._fixScrollPosition(),t._setupAnimations({},a),t.scroller.resetPosition(t.scroller.options.bounceTime)):(t.anchorItem.index-=i,a=t._fixScrollPosition(),t._setupAnimations({},a),t.scroller.stop(),t.scroller.resetPosition(),t.onScroll())}}))}},M.prototype.addContent=function(t){for(var e=0;e<t.length;e++)this.items.length<=this.loadedItems&&this._addItem(),this.items[this.loadedItems++].data=t[e];this.attachContent(),this.maybeRequestContent()},M.prototype.attachContent=function(){var t=this._collectUnusedNodes(),e=this._createDOMNodes(t);this._cleanupUnusedNodes(t),this._cacheNodeSize();var i=this._fixScrollPosition();this._setupAnimations(e,i)},M.prototype.resetMore=function(){this.hasMore=!0},M.prototype._removeTombstones=function(){for(var t=void 0,e=0,i=this.items.length,a=0;a<i;a++){var n=this.items[a].node,l=this.items[a].data;n&&!P(n)||l||(t||(t=a),n&&this.scrollerEl.removeChild(n))}return e=i-t,this.items.splice(t),this.lastAttachedItem=Math.min(this.lastAttachedItem,this.items.length),e},M.prototype._collectUnusedNodes=function(){for(var t=[],e=0;e<this.items.length;e++)if(e!==this.firstAttachedItem){var i=this.items[e].node;i&&(P(i)?(this.tombstones.push(i),this.tombstones[this.tombstones.length-1].style.display="none"):t.push(i)),this.items[e].node=null}else e=this.lastAttachedItem-1;return t},M.prototype._createDOMNodes=function(t){for(var e={},i=this.firstAttachedItem;i<this.lastAttachedItem;i++){for(;this.items.length<=i;)this._addItem();var a=this.items[i].node,n=this.items[i].data;if(a){if(!P(a)||!n)continue;a.style.zIndex=1,e[i]=[a,this.items[i].top-this.anchorScrollTop],this.items[i].node=null}var l=n?this.options.render(n,t.pop()):this._getTombStone();l.style.position="absolute",this.items[i].top=-1,this.scrollerEl.appendChild(l),this.items[i].node=l}return e},M.prototype._cleanupUnusedNodes=function(t){for(;t.length;)this.scrollerEl.removeChild(t.pop())},M.prototype._cacheNodeSize=function(){for(var t=this.firstAttachedItem;t<this.lastAttachedItem;t++)this.items[t].data&&!this.items[t].height&&(this.items[t].height=this.items[t].node.offsetHeight,this.items[t].width=this.items[t].node.offsetWidth)},M.prototype._fixScrollPosition=function(){this.anchorScrollTop=0;for(var t=0;t<this.anchorItem.index;t++)this.anchorScrollTop+=this.items[t].height||this.tombstoneHeight;this.anchorScrollTop+=this.anchorItem.offset;for(var e=this.anchorScrollTop-this.anchorItem.offset,i=this.anchorItem.index;i>this.firstAttachedItem;)e-=this.items[i-1].height||this.tombstoneHeight,i--;return e},M.prototype._setupAnimations=function(t,e){var i=this;for(var a in t){var n=t[a];this.items[a].node.style.transform="translateY("+(this.anchorScrollTop+n[1])+"px) scale("+this.tombstoneWidth/this.items[a].width+", "+this.tombstoneHeight/this.items[a].height+")",this.items[a].node.offsetTop,n[0].offsetTop,this.items[a].node.style.transition="transform 200ms"}for(var l=this.firstAttachedItem;l<this.lastAttachedItem;l++){var u=t[l];if(u){var o=u[0];o.style.transition="transform 200ms, opacity 200ms",o.style.transform="translateY("+e+"px) scale("+this.items[l].width/this.tombstoneWidth+", "+this.items[l].height/this.tombstoneHeight+")",o.style.opacity=0}e!==this.items[l].top&&(u||(this.items[l].node.style.transition=""),this.items[l].node.style.transform="translateY("+e+"px)"),this.items[l].top=e,e+=this.items[l].height||this.tombstoneHeight}this.scroller.maxScrollY=-(e-this.wrapperEl.offsetHeight+(this.hasMore?et:0)),setTimeout(function(){for(var e in t){var a=t[e];a[0].style.display="none",i.tombstones.push(a[0])}},200)},M.prototype._getTombStone=function(){var t=this.tombstones.pop();return t?(t.style.display="",t.style.opacity=1,t.style.transform="",t.style.transition="",t):this.options.createTombstone()},M.prototype._addItem=function(){this.items.push({data:null,node:null,height:0,width:0,top:0})},M.prototype._calculateAnchoredItem=function(t,e){if(0===e)return t;var i=t.index,a=0;if((e+=t.offset)<0){for(;e<0&&i>0&&this.items[i-1].height;)e+=this.items[i-1].height,i--;a=Math.max(-i,Math.ceil(Math.min(e,0)/this.tombstoneHeight))}else{for(;e>0&&i<this.items.length&&this.items[i].height&&this.items[i].height<e;)e-=this.items[i].height,i++;(i>=this.items.length||!this.items[i].height)&&(a=Math.floor(Math.max(e,0)/this.tombstoneHeight))}return i+=a,e-=a*this.tombstoneHeight,{index:i,offset:e}},function(t){t.prototype._init=function(t,e){this._handleOptions(e),this._events={},this.x=0,this.y=0,this.directionX=0,this.directionY=0,this.setScale(1),this._addDOMEvents(),this._initExtFeatures(),this._watchTransition(),this.options.observeDOM&&this._initDOMObserver(),this.options.autoBlur&&this._handleAutoBlur(),this.refresh(),this.options.snap||this.scrollTo(this.options.startX,this.options.startY),this.enable()},t.prototype.setScale=function(t){this.lastScale=l(this.scale)?t:this.scale,this.scale=t},t.prototype._handleOptions=function(t){this.options=n({},z,t),this.translateZ=this.options.HWCompositing&&R?" translateZ(0)":"",this.options.useTransition=this.options.useTransition&&F,this.options.useTransform=this.options.useTransform&&L,this.options.preventDefault=!this.options.eventPassthrough&&this.options.preventDefault,this.options.scrollX="horizontal"!==this.options.eventPassthrough&&this.options.scrollX,this.options.scrollY="vertical"!==this.options.eventPassthrough&&this.options.scrollY,this.options.freeScroll=this.options.freeScroll&&!this.options.eventPassthrough,this.options.directionLockThreshold=this.options.eventPassthrough?0:this.options.directionLockThreshold,!0===this.options.tap&&(this.options.tap="tap")},t.prototype._addDOMEvents=function(){var t=c;this._handleDOMEvents(t)},t.prototype._removeDOMEvents=function(){var t=r;this._handleDOMEvents(t)},t.prototype._handleDOMEvents=function(t){var e=this.options.bindToWrapper?this.wrapper:window;t(window,"orientationchange",this),t(window,"resize",this),this.options.click&&t(this.wrapper,"click",this,!0),this.options.disableMouse||(t(this.wrapper,"mousedown",this),t(e,"mousemove",this),t(e,"mousecancel",this),t(e,"mouseup",this)),N&&!this.options.disableTouch&&(t(this.wrapper,"touchstart",this),t(e,"touchmove",this),t(e,"touchcancel",this),t(e,"touchend",this)),t(this.scroller,B.transitionEnd,this)},t.prototype._initExtFeatures=function(){this.options.snap&&this._initSnap(),this.options.scrollbar&&this._initScrollbar(),this.options.pullUpLoad&&this._initPullUp(),this.options.pullDownRefresh&&this._initPullDown(),this.options.wheel&&this._initWheel(),this.options.mouseWheel&&this._initMouseWheel(),this.options.zoom&&this._initZoom(),this.options.infinity&&this._initInfinite()},t.prototype._watchTransition=function(){if("function"==typeof Object.defineProperty){var t=this,e=!1,i=this.useTransition?"isInTransition":"isAnimating";Object.defineProperty(this,i,{get:function(){return e},set:function(i){e=i;for(var a=t.scroller.children.length?t.scroller.children:[t.scroller],n=e&&!t.pulling?"none":"auto",l=0;l<a.length;l++)a[l].style.pointerEvents=n}})}},t.prototype._handleAutoBlur=function(){this.on("scrollStart",function(){var t=document.activeElement;!t||"INPUT"!==t.tagName&&"TEXTAREA"!==t.tagName||t.blur()})},t.prototype._initDOMObserver=function(){var t=this;if("undefined"!=typeof MutationObserver){var e=void 0,i=new MutationObserver(function(i){if(!t._shouldNotRefresh()){for(var a=!1,n=!1,l=0;l<i.length;l++){var u=i[l];if("attributes"!==u.type){a=!0;break}if(u.target!==t.scroller){n=!0;break}}a?t.refresh():n&&(clearTimeout(e),e=setTimeout(function(){t._shouldNotRefresh()||t.refresh()},60))}}),a={attributes:!0,childList:!0,subtree:!0};i.observe(this.scroller,a),this.on("destroy",function(){i.disconnect()})}else this._checkDOMUpdate()},t.prototype._shouldNotRefresh=function(){var t=this.x>this.minScrollX||this.x<this.maxScrollX||this.y>this.minScrollY||this.y<this.maxScrollY;return this.isInTransition||this.stopFromTransition||t},t.prototype._checkDOMUpdate=function(){function t(){if(!this.destroyed){i=d(this.scroller);var t=i.width,l=i.height;a===t&&n===l||this.refresh(),a=t,n=l,e.call(this)}}function e(){var e=this;setTimeout(function(){t.call(e)},1e3)}var i=d(this.scroller),a=i.width,n=i.height;e.call(this)},t.prototype.handleEvent=function(t){switch(t.type){case"touchstart":case"mousedown":this._start(t),this.options.zoom&&t.touches&&t.touches.length>1&&this._zoomStart(t);break;case"touchmove":case"mousemove":this.options.zoom&&t.touches&&t.touches.length>1?this._zoom(t):this._move(t);break;case"touchend":case"mouseup":case"touchcancel":case"mousecancel":this.scaled?this._zoomEnd(t):this._end(t);break;case"orientationchange":case"resize":this._resize();break;case"transitionend":case"webkitTransitionEnd":case"oTransitionEnd":case"MSTransitionEnd":this._transitionEnd(t);break;case"click":this.enabled&&!t._constructed&&(f(t.target,this.options.preventDefaultException)||(t.preventDefault(),t.stopPropagation()));break;case"wheel":case"DOMMouseScroll":case"mousewheel":this._onMouseWheel(t)}},t.prototype.refresh=function(){var t="static"===window.getComputedStyle(this.wrapper,null).position,e=d(this.wrapper);this.wrapperWidth=e.width,this.wrapperHeight=e.height;var i=d(this.scroller);this.scrollerWidth=Math.round(i.width*this.scale),this.scrollerHeight=Math.round(i.height*this.scale),this.relativeX=i.left,this.relativeY=i.top,t&&(this.relativeX-=e.left,this.relativeY-=e.top),this.minScrollX=0,this.minScrollY=0;var a=this.options.wheel;a?(this.items=this.scroller.children,this.options.itemHeight=this.itemHeight=this.items.length?this.scrollerHeight/this.items.length:0,void 0===this.selectedIndex&&(this.selectedIndex=a.selectedIndex||0),this.options.startY=-this.selectedIndex*this.itemHeight,this.maxScrollX=0,this.maxScrollY=-this.itemHeight*(this.items.length-1)):(this.maxScrollX=this.wrapperWidth-this.scrollerWidth,this.options.infinity||(this.maxScrollY=this.wrapperHeight-this.scrollerHeight),this.maxScrollX<0?(this.maxScrollX-=this.relativeX,this.minScrollX=-this.relativeX):this.scale>1&&(this.maxScrollX=this.maxScrollX/2-this.relativeX,this.minScrollX=this.maxScrollX),this.maxScrollY<0?(this.maxScrollY-=this.relativeY,this.minScrollY=-this.relativeY):this.scale>1&&(this.maxScrollY=this.maxScrollY/2-this.relativeY,this.minScrollY=this.maxScrollY)),this.hasHorizontalScroll=this.options.scrollX&&this.maxScrollX<this.minScrollX,this.hasVerticalScroll=this.options.scrollY&&this.maxScrollY<this.minScrollY,this.hasHorizontalScroll||(this.maxScrollX=this.minScrollX,this.scrollerWidth=this.wrapperWidth),this.hasVerticalScroll||(this.maxScrollY=this.minScrollY,this.scrollerHeight=this.wrapperHeight),this.endTime=0,this.directionX=0,this.directionY=0,this.wrapperOffset=s(this.wrapper),this.trigger("refresh"),!this.scaled&&this.resetPosition()},t.prototype.enable=function(){this.enabled=!0},t.prototype.disable=function(){this.enabled=!1}}(C),function(t){t.prototype._start=function(t){var e=X[t.type];if((e===Y||0===t.button)&&!(!this.enabled||this.destroyed||this.initiated&&this.initiated!==e)){this.initiated=e,this.options.preventDefault&&!f(t.target,this.options.preventDefaultException)&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation(),this.moved=!1,this.distX=0,this.distY=0,this.directionX=0,this.directionY=0,this.movingDirectionX=0,this.movingDirectionY=0,this.directionLocked=0,this._transitionTime(),this.startTime=a(),this.options.wheel&&(this.target=t.target),this.stop();var i=t.touches?t.touches[0]:t;this.startX=this.x,this.startY=this.y,this.absStartX=this.x,this.absStartY=this.y,this.pointX=i.pageX,this.pointY=i.pageY,this.trigger("beforeScrollStart")}},t.prototype._move=function(t){if(this.enabled&&!this.destroyed&&X[t.type]===this.initiated){this.options.preventDefault&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation();var e=t.touches?t.touches[0]:t,i=e.pageX-this.pointX,n=e.pageY-this.pointY;this.pointX=e.pageX,this.pointY=e.pageY,this.distX+=i,this.distY+=n;var l=Math.abs(this.distX),u=Math.abs(this.distY),o=a();if(!(o-this.endTime>this.options.momentumLimitTime&&u<this.options.momentumLimitDistance&&l<this.options.momentumLimitDistance)){if(this.directionLocked||this.options.freeScroll||(l>u+this.options.directionLockThreshold?this.directionLocked="h":u>=l+this.options.directionLockThreshold?this.directionLocked="v":this.directionLocked="n"),"h"===this.directionLocked){if("vertical"===this.options.eventPassthrough)t.preventDefault();else if("horizontal"===this.options.eventPassthrough)return void(this.initiated=!1);n=0}else if("v"===this.directionLocked){if("horizontal"===this.options.eventPassthrough)t.preventDefault();else if("vertical"===this.options.eventPassthrough)return void(this.initiated=!1);i=0}i=this.hasHorizontalScroll?i:0,n=this.hasVerticalScroll?n:0,this.movingDirectionX=i>0?J:i<0?Z:0,this.movingDirectionY=n>0?K:n<0?q:0;var c=this.x+i,r=this.y+n,s=!1,v=!1,d=!1,f=!1,p=this.options.bounce;!1!==p&&(s=void 0===p.top||p.top,v=void 0===p.bottom||p.bottom,d=void 0===p.left||p.left,f=void 0===p.right||p.right),(c>this.minScrollX||c<this.maxScrollX)&&(c=c>this.minScrollX&&d||c<this.maxScrollX&&f?this.x+i/3:c>this.minScrollX?this.minScrollX:this.maxScrollX),(r>this.minScrollY||r<this.maxScrollY)&&(r=r>this.minScrollY&&s||r<this.maxScrollY&&v?this.y+n/3:r>this.minScrollY?this.minScrollY:this.maxScrollY),this.moved||(this.moved=!0,this.trigger("scrollStart")),this._translate(c,r),o-this.startTime>this.options.momentumLimitTime&&(this.startTime=o,this.startX=this.x,this.startY=this.y,this.options.probeType===Q&&this.trigger("scroll",{x:this.x,y:this.y})),this.options.probeType>Q&&this.trigger("scroll",{x:this.x,y:this.y});var x=document.documentElement.scrollLeft||window.pageXOffset||document.body.scrollLeft,h=document.documentElement.scrollTop||window.pageYOffset||document.body.scrollTop,y=this.pointX-x,m=this.pointY-h;(y>document.documentElement.clientWidth-this.options.momentumLimitDistance||y<this.options.momentumLimitDistance||m<this.options.momentumLimitDistance||m>document.documentElement.clientHeight-this.options.momentumLimitDistance)&&this._end(t)}}},t.prototype._end=function(t){if(this.enabled&&!this.destroyed&&X[t.type]===this.initiated){this.initiated=!1,this.options.preventDefault&&!f(t.target,this.options.preventDefaultException)&&t.preventDefault(),this.options.stopPropagation&&t.stopPropagation(),this.trigger("touchEnd",{x:this.x,y:this.y}),this.isInTransition=!1;var e=Math.round(this.x),i=Math.round(this.y),n=e-this.absStartX,l=i-this.absStartY;if(this.directionX=n>0?J:n<0?Z:0,this.directionY=l>0?K:l<0?q:0,!this.options.pullDownRefresh||!this._checkPullDown()){if(this._checkClick(t))return void this.trigger("scrollCancel");if(!this.resetPosition(this.options.bounceTime,U.bounce)){this._translate(e,i),this.endTime=a();var u=this.endTime-this.startTime,o=Math.abs(e-this.startX),c=Math.abs(i-this.startY);if(this._events.flick&&u<this.options.flickLimitTime&&o<this.options.flickLimitDistance&&c<this.options.flickLimitDistance)return void this.trigger("flick");var r=0;if(this.options.momentum&&u<this.options.momentumLimitTime&&(c>this.options.momentumLimitDistance||o>this.options.momentumLimitDistance)){var s=!1,v=!1,d=!1,p=!1,x=this.options.bounce;!1!==x&&(s=void 0===x.top||x.top,v=void 0===x.bottom||x.bottom,d=void 0===x.left||x.left,p=void 0===x.right||x.right);var h=this.directionX===J&&d||this.directionX===Z&&p?this.wrapperWidth:0,y=this.directionY===K&&s||this.directionY===q&&v?this.wrapperHeight:0,m=this.hasHorizontalScroll?g(this.x,this.startX,u,this.maxScrollX,this.minScrollX,h,this.options):{destination:e,duration:0},b=this.hasVerticalScroll?g(this.y,this.startY,u,this.maxScrollY,this.minScrollY,y,this.options):{destination:i,duration:0};e=m.destination,i=b.destination,r=Math.max(m.duration,b.duration),this.isInTransition=!0}else this.options.wheel&&(i=Math.round(i/this.itemHeight)*this.itemHeight,r=this.options.wheel.adjustTime||400);var _=U.swipe;if(this.options.snap){var w=this._nearestSnap(e,i);this.currentPage=w,r=this.options.snapSpeed||Math.max(Math.max(Math.min(Math.abs(e-w.x),1e3),Math.min(Math.abs(i-w.y),1e3)),300),e=w.x,i=w.y,this.directionX=0,this.directionY=0,_=this.options.snap.easing||U.bounce}if(e!==this.x||i!==this.y)return(e>this.minScrollX||e<this.maxScrollX||i>this.minScrollY||i<this.maxScrollY)&&(_=U.swipeBounce),void this.scrollTo(e,i,r,_);this.options.wheel&&(this.selectedIndex=Math.round(Math.abs(this.y/this.itemHeight))),this.trigger("scrollEnd",{x:this.x,y:this.y})}}}},t.prototype._checkClick=function(t){var e=this.stopFromTransition&&!this.pulling;if(this.stopFromTransition=!1,!this.moved){if(this.options.wheel){if(this.target&&this.target.classList.contains(this.options.wheel.wheelWrapperClass)){var i=Math.abs(Math.round(this.y/this.itemHeight)),n=Math.round((this.pointY+v(this.wrapper).top-this.wrapperHeight/2)/this.itemHeight);this.target=this.items[i+n]}return this.scrollToElement(this.target,this.options.wheel.adjustTime||400,!0,!0,U.swipe),!0}if(!e){var l=this.options.dblclick,u=!1;if(l&&this.lastClickTime){var o=l.delay,c=void 0===o?300:o;a()-this.lastClickTime<c&&(u=!0,h(t))}return this.options.tap&&p(t,this.options.tap),this.options.click&&!f(t.target,this.options.preventDefaultException)&&x(t),this.lastClickTime=u?null:a(),!0}return!1}return!1},t.prototype._resize=function(){var t=this;this.enabled&&(V&&(this.wrapper.scrollTop=0),clearTimeout(this.resizeTimeout),this.resizeTimeout=setTimeout(function(){t.refresh()},this.options.resizePolling))},t.prototype._startProbe=function(){function t(){var i=e.getComputedPosition();if(e.trigger("scroll",i),!e.isInTransition)return void e.trigger("scrollEnd",i);e.probeTimer=W(t)}G(this.probeTimer),this.probeTimer=W(t);var e=this},t.prototype._transitionTime=function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0;if(this.scrollerStyle[B.transitionDuration]=t+"ms",this.options.wheel)for(var e=0;e<this.items.length;e++)this.items[e].style[B.transitionDuration]=t+"ms";if(this.indi