@better-scroll/core - npm Package Compare versions

Comparing version 2.0.5 to 2.0.6

dist/core.min.js

@@ -1,1 +0,1 @@
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e=Math.round(t);return!this.hasScroll&&!this.hooks.trigger(this.hooks.eventTypes.ignoreHasScroll)||e>this.minScrollPos?e=this.minScrollPos:e<this.maxScrollPos&&(e=this.maxScrollPos),e},ut.prototype.updateStartPos=function(){this.startPos=this.currentPos},ut.prototype.updateAbsStartPos=function(){this.absStartPos=this.currentPos},ut.prototype.resetStartPos=function(){this.updateStartPos(),this.updateAbsStartPos()},ut.prototype.getAbsDist=function(t){return this.dist+=t,Math.abs(this.dist)},ut.prototype.destroy=function(){this.hooks.destroy()},ut);function ut(t,e,o){this.wrapper=t,this.options=o,this.hooks=new R(["beforeComputeBoundary","computeBoundary","momentum","end","ignoreHasScroll"]),this.refresh(e)}var dt=((ht={}).yes=function(t){return!0},ht.no=function(t){return t.preventDefault(),!1},ht),ft=((at={}).horizontal=((ct={}).yes="horizontal",ct.no="vertical",ct),at.vertical=((lt={}).yes="vertical",lt.no="horizontal",lt),at),vt=(yt.prototype.reset=function(){this.directionLocked=""},yt.prototype.checkMovingDirection=function(t,e,o){return this.computeDirectionLock(t,e),this.handleEventPassthrough(o)},yt.prototype.adjustDelta=function(t,e){return"horizontal"===this.directionLocked?e=0:"vertical"===this.directionLocked&&(t=0),{deltaX:t,deltaY:e}},yt.prototype.computeDirectionLock=function(t,e){""!==this.directionLocked||this.freeScroll||(t>e+this.directionLockThreshold?this.directionLocked="horizontal":e>=t+this.directionLockThreshold?this.directionLocked="vertical":this.directionLocked="none")},yt.prototype.handleEventPassthrough=function(t){var e=ft[this.directionLocked];if(e){if(this.eventPassthrough===e.yes)return dt.yes(t);if(this.eventPassthrough===e.no)return dt.no(t)}return!1},yt);function yt(t,e,o){this.directionLockThreshold=t,this.freeScroll=e,this.eventPassthrough=o,this.reset()}var mt=(gt.prototype.bindActionsHandler=function(){var s=this;this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.start,function(t){return!s.enabled||s.handleStart(t)}),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.move,function(t){var e=t.deltaX,o=t.deltaY,i=t.e;return!s.enabled||s.handleMove(e,o,i)}),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.end,function(t){return!s.enabled||s.handleEnd(t)}),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.click,function(t){s.enabled&&!t._constructed&&s.handleClick(t)})},gt.prototype.handleStart=function(t){var e=u();this.moved=!1,this.startTime=e,this.directionLockAction.reset(),this.scrollBehaviorX.start(),this.scrollBehaviorY.start(),this.animater.doStop(),this.scrollBehaviorX.resetStartPos(),this.scrollBehaviorY.resetStartPos(),this.hooks.trigger(this.hooks.eventTypes.start,t)},gt.prototype.handleMove=function(t,e,o){if(!this.hooks.trigger(this.hooks.eventTypes.beforeMove,o)){var i=this.scrollBehaviorX.getAbsDist(t),s=this.scrollBehaviorY.getAbsDist(e),n=u();if(this.checkMomentum(i,s,n))return!0;if(this.directionLockAction.checkMovingDirection(i,s,o))return this.actionsHandler.setInitiated(),!0;var r=this.directionLockAction.adjustDelta(t,e),h=this.scrollBehaviorX.move(r.deltaX),a=this.scrollBehaviorY.move(r.deltaY);this.moved||(this.moved=!0,this.hooks.trigger(this.hooks.eventTypes.scrollStart)),this.animater.translate({x:h,y:a}),this.dispatchScroll(n)}},gt.prototype.dispatchScroll=function(t){t-this.startTime>this.options.momentumLimitTime&&(this.startTime=t,this.scrollBehaviorX.updateStartPos(),this.scrollBehaviorY.updateStartPos(),1===this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scroll,this.getCurrentPos())),1<this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scroll,this.getCurrentPos())},gt.prototype.checkMomentum=function(t,e,o){return o-this.endTime>this.options.momentumLimitTime&&e<this.options.momentumLimitDistance&&t<this.options.momentumLimitDistance},gt.prototype.handleEnd=function(t){if(!this.hooks.trigger(this.hooks.eventTypes.beforeEnd,t)){var e=this.getCurrentPos();if(this.scrollBehaviorX.updateDirection(),this.scrollBehaviorY.updateDirection(),this.hooks.trigger(this.hooks.eventTypes.end,t,e))return!0;this.animater.translate(e),this.endTime=u();var o=this.endTime-this.startTime;this.hooks.trigger(this.hooks.eventTypes.scrollEnd,e,o)}},gt.prototype.handleClick=function(t){x(t.target,this.options.preventDefaultException)||(t.preventDefault(),t.stopPropagation())},gt.prototype.getCurrentPos=function(){return{x:this.scrollBehaviorX.getCurrentPos(),y:this.scrollBehaviorY.getCurrentPos()}},gt.prototype.refresh=function(){this.endTime=0},gt.prototype.destroy=function(){this.hooks.destroy()},gt);function gt(t,e,o,i,s){this.hooks=new R(["start","beforeMove","scrollStart","scroll","beforeEnd","end","scrollEnd"]),this.scrollBehaviorX=t,this.scrollBehaviorY=e,this.actionsHandler=o,this.animater=i,this.options=s,this.directionLockAction=new vt(s.directionLockThreshold,s.freeScroll,s.eventPassthrough),this.enabled=!0,this.bindActionsHandler()}function kt(o,t,e,i){var s=["momentum","momentumLimitTime","momentumLimitDistance","deceleration","swipeBounceTime","swipeTime","outOfBoundaryDampingFactor","specifiedIndexAsContent"].reduce(function(t,e){return t[e]=o[e],t},{});return s.scrollable=!!o[t],s.bounces=e,s.rect=i,s}function Tt(i,s,t){t.forEach(function(t){var e,o;"string"==typeof t?e=o=t:(e=t.source,o=t.target),i.on(e,function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];return s.trigger.apply(s,p([o],t))})})}var bt=(St.prototype.init=function(){var t=this;this.bindTranslater(),this.bindAnimater(),this.bindActions(),this.hooks.on(this.hooks.eventTypes.scrollEnd,function(){t.togglePointerEvents(!0)})},St.prototype.registerTransitionEnd=function(){this.transitionEndRegister=new I(this.content,[{name:C.transitionEnd,handler:this.transitionEnd.bind(this)}])},St.prototype.bindTranslater=function(){var o=this,t=this.translater.hooks;t.on(t.eventTypes.beforeTranslate,function(t){o.options.translateZ&&t.push(o.options.translateZ)}),t.on(t.eventTypes.translate,function(t){var e=o.getCurrentPos();o.updatePositions(t),t.x===e.x&&t.y===e.y||o.togglePointerEvents(!1)})},St.prototype.bindAnimater=function(){var e=this;this.animater.hooks.on(this.animater.hooks.eventTypes.end,function(t){e.resetPosition(e.options.bounceTime)||(e.animater.setPending(!1),e.hooks.trigger(e.hooks.eventTypes.scrollEnd,t))}),Tt(this.animater.hooks,this.hooks,[{source:this.animater.hooks.eventTypes.move,target:this.hooks.eventTypes.scroll},{source:this.animater.hooks.eventTypes.forceStop,target:this.hooks.eventTypes.scrollEnd}])},St.prototype.bindActions=function(){var s=this,n=this.actions;Tt(n.hooks,this.hooks,[{source:n.hooks.eventTypes.start,target:this.hooks.eventTypes.beforeStart},{source:n.hooks.eventTypes.start,target:this.hooks.eventTypes.beforeScrollStart},{source:n.hooks.eventTypes.beforeMove,target:this.hooks.eventTypes.beforeMove},{source:n.hooks.eventTypes.scrollStart,target:this.hooks.eventTypes.scrollStart},{source:n.hooks.eventTypes.scroll,target:this.hooks.eventTypes.scroll},{source:n.hooks.eventTypes.beforeEnd,target:this.hooks.eventTypes.beforeEnd}]),n.hooks.on(n.hooks.eventTypes.end,function(t,e){return s.hooks.trigger(s.hooks.eventTypes.touchEnd,e),!!s.hooks.trigger(s.hooks.eventTypes.end,e)||(!(n.moved||(s.hooks.trigger(s.hooks.eventTypes.scrollCancel),!s.checkClick(t)))||(s.resetPosition(s.options.bounceTime,M.bounce)?(s.animater.setForceStopped(!1),!0):void 0))}),n.hooks.on(n.hooks.eventTypes.scrollEnd,function(t,e){var o=Math.abs(t.x-s.scrollBehaviorX.startPos),i=Math.abs(t.y-s.scrollBehaviorY.startPos);if(s.checkFlick(e,o,i))return s.animater.setForceStopped(!1),void s.hooks.trigger(s.hooks.eventTypes.flick);!s.momentum(t,e)&&(!s.animater.forceStopped||n.moved)?s.hooks.trigger(s.hooks.eventTypes.scrollEnd,t):s.animater.setForceStopped(!1)})},St.prototype.checkFlick=function(t,e,o){if(1<this.hooks.events.flick.length&&t<this.options.flickLimitTime&&e<this.options.flickLimitDistance&&o<this.options.flickLimitDistance&&(1<o||1<e))return!0},St.prototype.momentum=function(t,e){var o={time:0,easing:M.swiper,newX:t.x,newY:t.y},i=this.scrollBehaviorX.end(e),s=this.scrollBehaviorY.end(e);if(o.newX=f(i.destination)?o.newX:i.destination,o.newY=f(s.destination)?o.newY:s.destination,o.time=Math.max(i.duration,s.duration),this.hooks.trigger(this.hooks.eventTypes.momentum,o,this),o.newX!==t.x||o.newY!==t.y)return(o.newX>this.scrollBehaviorX.minScrollPos||o.newX<this.scrollBehaviorX.maxScrollPos||o.newY>this.scrollBehaviorY.minScrollPos||o.newY<this.scrollBehaviorY.maxScrollPos)&&(o.easing=M.swipeBounce),this.scrollTo(o.newX,o.newY,o.time,o.easing),!0},St.prototype.checkClick=function(t){var e,o,i,s=this.animater.forceStopped;if(this.hooks.trigger(this.hooks.eventTypes.checkClick))return this.animater.setForceStopped(!1),!0;if(s)return!1;var n,r,h=this.options.dblclick,a=!1;return h&&this.lastClickTime&&(r=void 0===(n=h.delay)?300:n,u()-this.lastClickTime<r&&(a=!0,O(t,"dblclick"))),this.options.tap&&(e=t,o=this.options.tap,(i=document.createEvent("Event")).initEvent(o,!0,!0),i.pageX=e.pageX,i.pageY=e.pageY,e.target.dispatchEvent(i)),this.options.click&&!x(t.target,this.options.preventDefaultException)&&O(t),this.lastClickTime=a?null:u(),!0},St.prototype.resize=function(){var t=this;this.actions.enabled&&(a&&(this.wrapper.scrollTop=0),clearTimeout(this.resizeTimeout),this.resizeTimeout=window.setTimeout(function(){t.hooks.trigger(t.hooks.eventTypes.resize)},this.options.resizePolling))},St.prototype.transitionEnd=function(t){t.target===this.content&&this.animater.pending&&(this.animater.transitionTime(),this.resetPosition(this.options.bounceTime,M.bounce)||(this.animater.setPending(!1),3!==this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scrollEnd,this.getCurrentPos())))},St.prototype.togglePointerEvents=function(t){void 0===t&&(t=!0);for(var e=this.content.children.length?this.content.children:[this.content],o=t?"auto":"none",i=0;i<e.length;i++){var s=e[i];s.isBScrollContainer||(s.style.pointerEvents=o)}},St.prototype.refresh=function(t){var e=this.setContent(t);this.hooks.trigger(this.hooks.eventTypes.beforeRefresh),this.scrollBehaviorX.refresh(t),this.scrollBehaviorY.refresh(t),e&&(this.translater.setContent(t),this.animater.setContent(t),this.transitionEndRegister.destroy(),this.registerTransitionEnd(),this.options.bindToTarget&&this.actionsHandler.setContent(t)),this.actions.refresh(),this.wrapperOffset=b(this.wrapper)},St.prototype.setContent=function(t){var e=t!==this.content;return e&&(this.content=t),e},St.prototype.scrollBy=function(t,e,o,i){void 0===o&&(o=0);var s=this.getCurrentPos(),n=s.x,r=s.y;i=i||M.bounce,t+=n,e+=r,this.scrollTo(t,e,o,i)},St.prototype.scrollTo=function(t,e,o,i,s){void 0===o&&(o=0),void 0===i&&(i=M.bounce),void 0===s&&(s={start:{},end:{}});var n=this.options.useTransition?i.style:i.fn,r=this.getCurrentPos(),h=c({x:r.x,y:r.y},s.start),a=c({x:t,y:e},s.end);this.hooks.trigger(this.hooks.eventTypes.scrollTo,a),function(t,e){for(var o=0,i=Object.keys(t);o<i.length;o++){var s=i[o];if(t[s]!==e[s])return}return 1}(h,a)||this.animater.move(h,a,o,n)},St.prototype.scrollToElement=function(t,e,o,i,s){function n(t,e,o){return"number"==typeof t?t:t?Math.round(e/2-o/2):0}var r=g(t),h=b(r);o=n(o,r.offsetWidth,this.wrapper.offsetWidth),i=n(i,r.offsetHeight,this.wrapper.offsetHeight);function a(t,e,o,i){return t-=e,t=i.adjustPosition(t-o)}h.left=a(h.left,this.wrapperOffset.left,o,this.scrollBehaviorX),h.top=a(h.top,this.wrapperOffset.top,i,this.scrollBehaviorY),this.hooks.trigger(this.hooks.eventTypes.scrollToElement,r,h)||this.scrollTo(h.left,h.top,e,s)},St.prototype.resetPosition=function(t,e){void 0===t&&(t=0),void 0===e&&(e=M.bounce);var o=this.scrollBehaviorX.checkInBoundary(),i=o.position,s=o.inBoundary,n=this.scrollBehaviorY.checkInBoundary(),r=n.position,h=n.inBoundary;return(!s||!h)&&(l&&(this._reflow=this.content.offsetHeight),this.scrollTo(i,r,t,e),!0)},St.prototype.updatePositions=function(t){this.scrollBehaviorX.updatePosition(t.x),this.scrollBehaviorY.updatePosition(t.y)},St.prototype.getCurrentPos=function(){return this.actions.getCurrentPos()},St.prototype.enable=function(){this.actions.enabled=!0},St.prototype.disable=function(){H(this.animater.timer),this.actions.enabled=!1},St.prototype.destroy=function(){var e=this;["resizeRegister","transitionEndRegister","actionsHandler","actions","hooks","animater","translater","scrollBehaviorX","scrollBehaviorY"].forEach(function(t){return e[t].destroy()})},St);function St(t,e,o){this.wrapper=t,this.content=e,this.resizeTimeout=0,this.hooks=new R(["beforeStart","beforeMove","beforeScrollStart","scrollStart","scroll","beforeEnd","scrollEnd","resize","touchEnd","end","flick","scrollCancel","momentum","scrollTo","scrollToElement","beforeRefresh"]),this.options=o;var i,s,n,r,h,a,c=this.options.bounce,l=c.left,p=c.right,u=c.top,d=c.bottom;this.scrollBehaviorX=new pt(t,e,kt(o,"scrollX",[l,p],{size:"width",position:"left"})),this.scrollBehaviorY=new pt(t,e,kt(o,"scrollY",[u,d],{size:"height",position:"top"})),this.translater=new G(this.content),this.animater=(i=this.content,s=this.translater,n=this.options,r=n.useTransition,h={},Object.defineProperty(h,"probeType",{enumerable:!0,configurable:!1,get:function(){return n.probeType}}),new(r?ot:nt)(i,s,h)),this.actionsHandler=new Z(this.options.bindToTarget?this.content:t,(a=this.options,["click","bindToWrapper","disableMouse","disableTouch","preventDefault","stopPropagation","tagException","preventDefaultException","autoEndDistance"].reduce(function(t,e){return t[e]=a[e],t},{}))),this.actions=new mt(this.scrollBehaviorX,this.scrollBehaviorY,this.actionsHandler,this.animater,this.options);var f=this.resize.bind(this);this.resizeRegister=new I(window,[{name:"orientationchange",handler:f},{name:"resize",handler:f}]),this.registerTransitionEnd(),this.init()}var Pt,wt=(e(Et,Pt=R),Et.use=function(e){var t=e.pluginName;return Et.plugins.some(function(t){return e===t.ctor})||(f(t)?n("Plugin Class must specify plugin's name in static property by 'pluginName' field."):Et.pluginsMap[t]?n("This plugin has been registered, maybe you need change plugin's name"):(Et.pluginsMap[t]=!0,Et.plugins.push({name:t,applyOrder:e.applyOrder,ctor:e}))),Et},Et.prototype.setContent=function(t){var e=!1,o=!0,i=t.children[this.options.specifiedIndexAsContent];return i?(e=this.content!==i)&&(this.content=i):(n("The wrapper need at least one child element to be content element to scroll."),o=!1),{valid:o,contentChanged:e}},Et.prototype.init=function(t){var e=this;(this.wrapper=t).isBScrollContainer=!0,this.scroller=new bt(t,this.content,this.options),this.scroller.hooks.on(this.scroller.hooks.eventTypes.resize,function(){e.refresh()}),this.eventBubbling(),this.handleAutoBlur(),this.enable(),this.proxy(s),this.applyPlugins(),this.refreshWithoutReset(this.content);var o=this.options,i={x:o.startX,y:o.startY};this.hooks.trigger(this.hooks.eventTypes.beforeInitialScrollTo,i)||this.scroller.scrollTo(i.x,i.y)},Et.prototype.applyPlugins=function(){var o=this,i=this.options;Et.plugins.sort(function(t,e){var o,i=((o={}).pre=-1,o.post=1,o);return(t.applyOrder?i[t.applyOrder]:0)-(e.applyOrder?i[e.applyOrder]:0)}).forEach(function(t){var e=t.ctor;i[t.name]&&"function"==typeof e&&(o.plugins[t.name]=new e(o))})},Et.prototype.handleAutoBlur=function(){this.options.autoBlur&&this.on(this.eventTypes.beforeScrollStart,function(){var t=document.activeElement;!t||"INPUT"!==t.tagName&&"TEXTAREA"!==t.tagName||t.blur()})},Et.prototype.eventBubbling=function(){Tt(this.scroller.hooks,this,[this.eventTypes.beforeScrollStart,this.eventTypes.scrollStart,this.eventTypes.scroll,this.eventTypes.scrollEnd,this.eventTypes.scrollCancel,this.eventTypes.touchEnd,this.eventTypes.flick])},Et.prototype.refreshWithoutReset=function(t){this.scroller.refresh(t),this.hooks.trigger(this.hooks.eventTypes.refresh,t),this.trigger(this.eventTypes.refresh,t)},Et.prototype.proxy=function(t){var r=this;t.forEach(function(t){var e,o,i,s=t.key,n=t.sourceKey;e=r,o=n,i=s,K.get=function(){return function(t,e){for(var o=e.split("."),i=0;i<o.length-1;i++)if("object"!=typeof(t=t[o[i]])||!t)return;var s=o.pop();return"function"==typeof t[s]?function(){return t[s].apply(t,arguments)}:t[s]}(this,o)},K.set=function(t){!function(t,e,o){for(var i,s=e.split("."),n=0;n<s.length-1;n++)t[i=s[n]]||(t[i]={}),t=t[i];t[s.pop()]=o}(this,o,t)},Object.defineProperty(e,i,K)})},Et.prototype.refresh=function(){var t,e=this.setContent(this.wrapper),o=e.contentChanged;e.valid&&(t=this.content,this.refreshWithoutReset(t),o&&(this.hooks.trigger(this.hooks.eventTypes.contentChanged,t),this.trigger(this.eventTypes.contentChanged,t)),this.scroller.resetPosition())},Et.prototype.enable=function(){this.scroller.enable(),this.hooks.trigger(this.hooks.eventTypes.enable),this.trigger(this.eventTypes.enable)},Et.prototype.disable=function(){this.scroller.disable(),this.hooks.trigger(this.hooks.eventTypes.disable),this.trigger(this.eventTypes.disable)},Et.prototype.destroy=function(){this.hooks.trigger(this.hooks.eventTypes.destroy),this.trigger(this.eventTypes.destroy),this.scroller.destroy()},Et.prototype.eventRegister=function(t){this.registerType(t)},Et.plugins=[],Et.pluginsMap={},Et);function Et(t,e){var o=Pt.call(this,["refresh","contentChanged","enable","disable","beforeScrollStart","scrollStart","scroll","scrollEnd","scrollCancel","touchEnd","flick","destroy"])||this,i=g(t);return i?(o.plugins={},o.options=(new q).merge(e).process(),o.setContent(i).valid&&(o.hooks=new R(["refresh","enable","disable","destroy","beforeInitialScrollTo","contentChanged"]),o.init(i)),o):(n("Can not resolve the wrapper DOM."),o)}function Bt(t,e){return new wt(t,e)}Bt.use=wt.use,Bt.plugins=wt.plugins,Bt.pluginsMap=wt.pluginsMap;var Ct=Bt;t.Behavior=pt,t.CustomOptions=W,t.createBScroll=Bt,t.default=Ct,Object.defineProperty(t,"__esModule",{value:!0})}),"undefined"!=typeof window&&window.BScroll&&(window.BScroll=window.BScroll.default);
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).BScroll={})}(this,function(t){"use strict";var i=function(t,e){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])})(t,e)};function e(t,e){function o(){this.constructor=t}i(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)}var c=function(){return(c=Object.assign||function(t){for(var e,o=1,i=arguments.length;o<i;o++)for(var n in e=arguments[o])Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t}).apply(this,arguments)};function p(){for(var t=0,e=0,o=arguments.length;e<o;e++)t+=arguments[e].length;for(var i=Array(t),n=0,e=0;e<o;e++)for(var s=arguments[e],r=0,h=s.length;r<h;r++,n++)i[n]=s[r];return i}var n=[{sourceKey:"scroller.scrollBehaviorX.currentPos",key:"x"},{sourceKey:"scroller.scrollBehaviorY.currentPos",key:"y"},{sourceKey:"scroller.scrollBehaviorX.hasScroll",key:"hasHorizontalScroll"},{sourceKey:"scroller.scrollBehaviorY.hasScroll",key:"hasVerticalScroll"},{sourceKey:"scroller.scrollBehaviorX.contentSize",key:"scrollerWidth"},{sourceKey:"scroller.scrollBehaviorY.contentSize",key:"scrollerHeight"},{sourceKey:"scroller.scrollBehaviorX.maxScrollPos",key:"maxScrollX"},{sourceKey:"scroller.scrollBehaviorY.maxScrollPos",key:"maxScrollY"},{sourceKey:"scroller.scrollBehaviorX.minScrollPos",key:"minScrollX"},{sourceKey:"scroller.scrollBehaviorY.minScrollPos",key:"minScrollY"},{sourceKey:"scroller.scrollBehaviorX.movingDirection",key:"movingDirectionX"},{sourceKey:"scroller.scrollBehaviorY.movingDirection",key:"movingDirectionY"},{sourceKey:"scroller.scrollBehaviorX.direction",key:"directionX"},{sourceKey:"scroller.scrollBehaviorY.direction",key:"directionY"},{sourceKey:"scroller.actions.enabled",key:"enabled"},{sourceKey:"scroller.animater.pending",key:"pending"},{sourceKey:"scroller.animater.stop",key:"stop"},{sourceKey:"scroller.scrollTo",key:"scrollTo"},{sourceKey:"scroller.scrollBy",key:"scrollBy"},{sourceKey:"scroller.scrollToElement",key:"scrollToElement"},{sourceKey:"scroller.resetPosition",key:"resetPosition"}];function 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I=(_.prototype.destroy=function(){this.removeDOMEvents(),this.events=[]},_.prototype.addDOMEvents=function(){this.handleDOMEvents(k)},_.prototype.removeDOMEvents=function(){this.handleDOMEvents(T)},_.prototype.handleDOMEvents=function(e){var o=this,i=this.wrapper;this.events.forEach(function(t){e(i,t.name,o,!!t.capture)})},_.prototype.handleEvent=function(e){var o=e.type;this.events.some(function(t){return t.name===o&&(t.handler(e),!0)})},_);function _(t,e){this.wrapper=t,this.events=e,this.addDOMEvents()}function W(){}var N,q=(e(U,N=W),U.prototype.merge=function(t){if(!t)return this;for(var e in t)"bounce"!==e?this[e]=t[e]:this.bounce=this.resolveBounce(t[e]);return this},U.prototype.process=function(){return this.translateZ=this.HWCompositing&&w?" 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e,o,i,n,s,r,h,a;D[t.type]===this.initiated&&(this.beforeHandler(t,"move"),o=(e=t.touches?t.touches[0]:t).pageX-this.pointX,i=e.pageY-this.pointY,this.pointX=e.pageX,this.pointY=e.pageY,this.hooks.trigger(this.hooks.eventTypes.move,{deltaX:o,deltaY:i,e:t})||(n=document.documentElement.scrollLeft||window.pageXOffset||document.body.scrollLeft,s=document.documentElement.scrollTop||window.pageYOffset||document.body.scrollTop,r=this.pointX-n,h=this.pointY-s,a=this.options.autoEndDistance,(r>document.documentElement.clientWidth-a||h>document.documentElement.clientHeight-a||r<a||h<a)&&this.end(t)))},V.prototype.end=function(t){D[t.type]===this.initiated&&(this.setInitiated(),this.beforeHandler(t,"end"),this.hooks.trigger(this.hooks.eventTypes.end,t))},V.prototype.click=function(t){this.hooks.trigger(this.hooks.eventTypes.click,t)},V.prototype.setContent=function(t){t!==this.wrapper&&(this.wrapper=t,this.wrapperEventRegister.destroy(),this.targetEventRegister.destroy(),this.handleDOMEvents())},V.prototype.destroy=function(){this.wrapperEventRegister.destroy(),this.targetEventRegister.destroy(),this.hooks.destroy()},V);function V(t,e){this.wrapper=t,this.options=e,this.hooks=new R(["beforeStart","start","move","end","click"]),this.handleDOMEvents()}var $={x:["translateX","px"],y:["translateY","px"]},G=(J.prototype.getComputedPosition=function(){var t=window.getComputedStyle(this.content,null)[C.transform].split(")")[0].split(", ");return{x:+(t[12]||t[4])||0,y:+(t[13]||t[5])||0}},J.prototype.translate=function(n){var s=[];Object.keys(n).forEach(function(t){var e,o,i;!$[t]||(e=$[t][0])&&(o=$[t][1],i=n[t],s.push(e+"("+i+o+")"))}),this.hooks.trigger(this.hooks.eventTypes.beforeTranslate,s,n),this.style[C.transform]=s.join(" "),this.hooks.trigger(this.hooks.eventTypes.translate,n)},J.prototype.setContent=function(t){this.content!==t&&(this.content=t,this.style=t.style)},J.prototype.destroy=function(){this.hooks.destroy()},J);function J(t){this.setContent(t),this.hooks=new R(["beforeTranslate","translate"])}var Q=(tt.prototype.translate=function(t){this.translater.translate(t)},tt.prototype.setPending=function(t){this.pending=t},tt.prototype.setForceStopped=function(t){this.forceStopped=t},tt.prototype.setContent=function(t){this.content!==t&&(this.content=t,this.style=t.style,this.stop())},tt.prototype.destroy=function(){this.hooks.destroy(),H(this.timer)},tt);function tt(t,e,o){this.translater=e,this.options=o,this.timer=0,this.hooks=new R(["move","end","beforeForceStop","forceStop","callStop","time","timeFunction"]),this.setContent(t)}function et(t,e,o,i){function n(t,e){var o=t-e;return 0<o?-1:o<0?1:0}var s=n(e.x,t.x),r=n(e.y,t.y),h=o.x-i.x,a=o.y-i.y;return s*h<=0&&r*a<=0}var ot,it=(e(nt,ot=Q),nt.prototype.startProbe=function(e){var o=this,i=this.translater.getComputedPosition(),n=i,s=function(){var t=o.translater.getComputedPosition();et(n,e,t,i)&&o.hooks.trigger(o.hooks.eventTypes.move,t),i=t,o.pending||o.forceStopped||o.hooks.trigger(o.hooks.eventTypes.end,t),o.pending&&(o.timer=F(s))};H(this.timer),s()},nt.prototype.transitionTime=function(t){void 0===t&&(t=0),this.style[C.transitionDuration]=t+"ms",this.hooks.trigger(this.hooks.eventTypes.time,t)},nt.prototype.transitionTimingFunction=function(t){this.style[C.transitionTimingFunction]=t,this.hooks.trigger(this.hooks.eventTypes.timeFunction,t)},nt.prototype.transitionProperty=function(){this.style[C.transitionProperty]=C.transform},nt.prototype.move=function(t,e,o,i){this.setPending(0<o),this.transitionTimingFunction(i),this.transitionProperty(),this.transitionTime(o),this.translate(e),o&&3===this.options.probeType&&this.startProbe(e),o||(this._reflow=this.content.offsetHeight,this.hooks.trigger(this.hooks.eventTypes.move,e),this.hooks.trigger(this.hooks.eventTypes.end,e))},nt.prototype.doStop=function(){var t=this.pending;if(this.setForceStopped(!1),t){this.setPending(!1),H(this.timer);var e=this.translater.getComputedPosition(),o=e.x,i=e.y;if(this.transitionTime(),this.translate({x:o,y:i}),this.setForceStopped(!0),this.hooks.trigger(this.hooks.eventTypes.beforeForceStop,{x:o,y:i}))return!0;this.hooks.trigger(this.hooks.eventTypes.forceStop,{x:o,y:i})}return t},nt.prototype.stop=function(){this.doStop()&&(this.hooks.trigger(this.hooks.eventTypes.callStop),this.setForceStopped(!1))},nt);function nt(){return null!==ot&&ot.apply(this,arguments)||this}var st,rt=(e(ht,st=Q),ht.prototype.move=function(t,e,o,i){if(!o)return this.translate(e),this.hooks.trigger(this.hooks.eventTypes.move,e),void this.hooks.trigger(this.hooks.eventTypes.end,e);this.animate(t,e,o,i)},ht.prototype.animate=function(s,r,e,o){var h=this,a=u(),c=a+e,l=function(){var t=u();if(c<=t)return h.translate(r),h.hooks.trigger(h.hooks.eventTypes.move,r),void h.hooks.trigger(h.hooks.eventTypes.end,r);var i=o((t-a)/e),n={};Object.keys(r).forEach(function(t){var e=s[t],o=r[t];n[t]=(o-e)*i+e}),h.translate(n),3===h.options.probeType&&h.hooks.trigger(h.hooks.eventTypes.move,n),h.pending&&(h.timer=F(l)),h.pending||h.forceStopped||h.hooks.trigger(h.hooks.eventTypes.end,r)};this.setPending(!0),H(this.timer),l()},ht.prototype.doStop=function(){var t=this.pending;if(this.setForceStopped(!1),t){this.setPending(!1),H(this.timer);var e=this.translater.getComputedPosition();if(this.setForceStopped(!0),this.hooks.trigger(this.hooks.eventTypes.beforeForceStop,e))return!0;this.hooks.trigger(this.hooks.eventTypes.forceStop,e)}return t},ht.prototype.stop=function(){this.doStop()&&(this.hooks.trigger(this.hooks.eventTypes.callStop),this.setForceStopped(!1))},ht);function ht(){return null!==st&&st.apply(this,arguments)||this}var at,ct,lt,pt,ut=(dt.prototype.start=function(){this.dist=0,this.setMovingDirection(0),this.setDirection(0)},dt.prototype.move=function(t){return t=this.hasScroll?t:0,this.setMovingDirection(t),this.performDampingAlgorithm(t,this.options.outOfBoundaryDampingFactor)},dt.prototype.setMovingDirection=function(t){this.movingDirection=0<t?-1:t<0?1:0},dt.prototype.setDirection=function(t){this.direction=0<t?-1:t<0?1:0},dt.prototype.performDampingAlgorithm=function(t,e){var o=this.currentPos+t;return(o>this.minScrollPos||o<this.maxScrollPos)&&(o=o>this.minScrollPos&&this.options.bounces[0]||o<this.maxScrollPos&&this.options.bounces[1]?this.currentPos+t*e:o>this.minScrollPos?this.minScrollPos:this.maxScrollPos),o},dt.prototype.end=function(t){var e,o={duration:0},i=Math.abs(this.currentPos-this.startPos);return this.options.momentum&&t<this.options.momentumLimitTime&&i>this.options.momentumLimitDistance?(e=-1===this.direction&&this.options.bounces[0]||1===this.direction&&this.options.bounces[1]?this.wrapperSize:0,o=this.hasScroll?this.momentum(this.currentPos,this.startPos,t,this.maxScrollPos,this.minScrollPos,e,this.options):{destination:this.currentPos,duration:0}):this.hooks.trigger(this.hooks.eventTypes.end,o),o},dt.prototype.momentum=function(t,e,o,i,n,s,r){void 0===r&&(r=this.options);var h=t-e,a=Math.abs(h)/o,c=r.deceleration,l=r.swipeBounceTime,p={destination:t+a/c*(h<0?-1:1),duration:r.swipeTime,rate:15};return this.hooks.trigger(this.hooks.eventTypes.momentum,p,h),p.destination<i?(p.destination=s?Math.max(i-s/4,i-s/p.rate*a):i,p.duration=l):p.destination>n&&(p.destination=s?Math.min(n+s/4,n+s/p.rate*a):n,p.duration=l),p.destination=Math.round(p.destination),p},dt.prototype.updateDirection=function(){var t=Math.round(this.currentPos)-this.absStartPos;this.setDirection(t)},dt.prototype.refresh=function(t){var e=this.options.rect,o=e.size,i=e.position,n="static"===window.getComputedStyle(this.wrapper,null).position,s=x(this.wrapper);this.wrapperSize=s[o],this.setContent(t);var r=x(this.content);this.contentSize=r[o],this.relativeOffset=r[i],n&&(this.relativeOffset-=s[i]),this.computeBoundary(),this.setDirection(0)},dt.prototype.setContent=function(t){t!==this.content&&(this.content=t,this.resetState())},dt.prototype.resetState=function(){this.currentPos=0,this.startPos=0,this.dist=0,this.setDirection(0),this.setMovingDirection(0),this.resetStartPos()},dt.prototype.computeBoundary=function(){this.hooks.trigger(this.hooks.eventTypes.beforeComputeBoundary);var t={minScrollPos:0,maxScrollPos:this.wrapperSize-this.contentSize};t.maxScrollPos<0&&(t.maxScrollPos-=this.relativeOffset,0===this.options.specifiedIndexAsContent&&(t.minScrollPos=-this.relativeOffset)),this.hooks.trigger(this.hooks.eventTypes.computeBoundary,t),this.minScrollPos=t.minScrollPos,this.maxScrollPos=t.maxScrollPos,this.hasScroll=this.options.scrollable&&this.maxScrollPos<this.minScrollPos,!this.hasScroll&&this.minScrollPos<this.maxScrollPos&&(this.maxScrollPos=this.minScrollPos,this.contentSize=this.wrapperSize)},dt.prototype.updatePosition=function(t){this.currentPos=t},dt.prototype.getCurrentPos=function(){return Math.round(this.currentPos)},dt.prototype.checkInBoundary=function(){var t=this.adjustPosition(this.currentPos);return{position:t,inBoundary:t===this.getCurrentPos()}},dt.prototype.adjustPosition=function(t){var e=Math.round(t);return!this.hasScroll&&!this.hooks.trigger(this.hooks.eventTypes.ignoreHasScroll)||e>this.minScrollPos?e=this.minScrollPos:e<this.maxScrollPos&&(e=this.maxScrollPos),e},dt.prototype.updateStartPos=function(){this.startPos=this.currentPos},dt.prototype.updateAbsStartPos=function(){this.absStartPos=this.currentPos},dt.prototype.resetStartPos=function(){this.updateStartPos(),this.updateAbsStartPos()},dt.prototype.getAbsDist=function(t){return this.dist+=t,Math.abs(this.dist)},dt.prototype.destroy=function(){this.hooks.destroy()},dt);function dt(t,e,o){this.wrapper=t,this.options=o,this.hooks=new R(["beforeComputeBoundary","computeBoundary","momentum","end","ignoreHasScroll"]),this.refresh(e)}var ft=((at={}).yes=function(t){return!0},at.no=function(t){return t.preventDefault(),!1},at),vt=((ct={}).horizontal=((lt={}).yes="horizontal",lt.no="vertical",lt),ct.vertical=((pt={}).yes="vertical",pt.no="horizontal",pt),ct),yt=(mt.prototype.reset=function(){this.directionLocked=""},mt.prototype.checkMovingDirection=function(t,e,o){return this.computeDirectionLock(t,e),this.handleEventPassthrough(o)},mt.prototype.adjustDelta=function(t,e){return"horizontal"===this.directionLocked?e=0:"vertical"===this.directionLocked&&(t=0),{deltaX:t,deltaY:e}},mt.prototype.computeDirectionLock=function(t,e){""!==this.directionLocked||this.freeScroll||(t>e+this.directionLockThreshold?this.directionLocked="horizontal":e>=t+this.directionLockThreshold?this.directionLocked="vertical":this.directionLocked="none")},mt.prototype.handleEventPassthrough=function(t){var e=vt[this.directionLocked];if(e){if(this.eventPassthrough===e.yes)return ft.yes(t);if(this.eventPassthrough===e.no)return ft.no(t)}return!1},mt);function mt(t,e,o){this.directionLockThreshold=t,this.freeScroll=e,this.eventPassthrough=o,this.reset()}var gt=(kt.prototype.bindActionsHandler=function(){var n=this;this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.start,function(t){return!n.enabled||n.handleStart(t)}),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.move,function(t){var e=t.deltaX,o=t.deltaY,i=t.e;return!n.enabled||n.handleMove(e,o,i)}),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.end,function(t){return!n.enabled||n.handleEnd(t)}),this.actionsHandler.hooks.on(this.actionsHandler.hooks.eventTypes.click,function(t){n.enabled&&!t._constructed&&n.handleClick(t)})},kt.prototype.handleStart=function(t){var e=u();this.moved=!1,this.startTime=e,this.directionLockAction.reset(),this.scrollBehaviorX.start(),this.scrollBehaviorY.start(),this.animater.doStop(),this.scrollBehaviorX.resetStartPos(),this.scrollBehaviorY.resetStartPos(),this.hooks.trigger(this.hooks.eventTypes.start,t)},kt.prototype.handleMove=function(t,e,o){if(!this.hooks.trigger(this.hooks.eventTypes.beforeMove,o)){var i=this.scrollBehaviorX.getAbsDist(t),n=this.scrollBehaviorY.getAbsDist(e),s=u();if(this.checkMomentum(i,n,s))return!0;if(this.directionLockAction.checkMovingDirection(i,n,o))return this.actionsHandler.setInitiated(),!0;var r=this.directionLockAction.adjustDelta(t,e),h=this.scrollBehaviorX.move(r.deltaX),a=this.scrollBehaviorY.move(r.deltaY);this.moved||(this.moved=!0,this.hooks.trigger(this.hooks.eventTypes.scrollStart)),this.animater.translate({x:h,y:a}),this.dispatchScroll(s)}},kt.prototype.dispatchScroll=function(t){t-this.startTime>this.options.momentumLimitTime&&(this.startTime=t,this.scrollBehaviorX.updateStartPos(),this.scrollBehaviorY.updateStartPos(),1===this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scroll,this.getCurrentPos())),1<this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scroll,this.getCurrentPos())},kt.prototype.checkMomentum=function(t,e,o){return o-this.endTime>this.options.momentumLimitTime&&e<this.options.momentumLimitDistance&&t<this.options.momentumLimitDistance},kt.prototype.handleEnd=function(t){if(!this.hooks.trigger(this.hooks.eventTypes.beforeEnd,t)){var e=this.getCurrentPos();if(this.scrollBehaviorX.updateDirection(),this.scrollBehaviorY.updateDirection(),this.hooks.trigger(this.hooks.eventTypes.end,t,e))return!0;this.animater.translate(e),this.endTime=u();var o=this.endTime-this.startTime;this.hooks.trigger(this.hooks.eventTypes.scrollEnd,e,o)}},kt.prototype.handleClick=function(t){X(t.target,this.options.preventDefaultException)||(t.preventDefault(),t.stopPropagation())},kt.prototype.getCurrentPos=function(){return{x:this.scrollBehaviorX.getCurrentPos(),y:this.scrollBehaviorY.getCurrentPos()}},kt.prototype.refresh=function(){this.endTime=0},kt.prototype.destroy=function(){this.hooks.destroy()},kt);function kt(t,e,o,i,n){this.hooks=new R(["start","beforeMove","scrollStart","scroll","beforeEnd","end","scrollEnd"]),this.scrollBehaviorX=t,this.scrollBehaviorY=e,this.actionsHandler=o,this.animater=i,this.options=n,this.directionLockAction=new yt(n.directionLockThreshold,n.freeScroll,n.eventPassthrough),this.enabled=!0,this.bindActionsHandler()}function Tt(o,t,e,i){var n=["momentum","momentumLimitTime","momentumLimitDistance","deceleration","swipeBounceTime","swipeTime","outOfBoundaryDampingFactor","specifiedIndexAsContent"].reduce(function(t,e){return t[e]=o[e],t},{});return n.scrollable=!!o[t],n.bounces=e,n.rect=i,n}function bt(i,n,t){t.forEach(function(t){var e,o;"string"==typeof t?e=o=t:(e=t.source,o=t.target),i.on(e,function(){for(var t=[],e=0;e<arguments.length;e++)t[e]=arguments[e];return n.trigger.apply(n,p([o],t))})})}var St=(Pt.prototype.init=function(){var t=this;this.bindTranslater(),this.bindAnimater(),this.bindActions(),this.hooks.on(this.hooks.eventTypes.scrollEnd,function(){t.togglePointerEvents(!0)})},Pt.prototype.registerTransitionEnd=function(){this.transitionEndRegister=new I(this.content,[{name:C.transitionEnd,handler:this.transitionEnd.bind(this)}])},Pt.prototype.bindTranslater=function(){var o=this,t=this.translater.hooks;t.on(t.eventTypes.beforeTranslate,function(t){o.options.translateZ&&t.push(o.options.translateZ)}),t.on(t.eventTypes.translate,function(t){var e=o.getCurrentPos();o.updatePositions(t),t.x===e.x&&t.y===e.y||o.togglePointerEvents(!1)})},Pt.prototype.bindAnimater=function(){var e=this;this.animater.hooks.on(this.animater.hooks.eventTypes.end,function(t){e.resetPosition(e.options.bounceTime)||(e.animater.setPending(!1),e.hooks.trigger(e.hooks.eventTypes.scrollEnd,t))}),bt(this.animater.hooks,this.hooks,[{source:this.animater.hooks.eventTypes.move,target:this.hooks.eventTypes.scroll},{source:this.animater.hooks.eventTypes.forceStop,target:this.hooks.eventTypes.scrollEnd}])},Pt.prototype.bindActions=function(){var n=this,s=this.actions;bt(s.hooks,this.hooks,[{source:s.hooks.eventTypes.start,target:this.hooks.eventTypes.beforeStart},{source:s.hooks.eventTypes.start,target:this.hooks.eventTypes.beforeScrollStart},{source:s.hooks.eventTypes.beforeMove,target:this.hooks.eventTypes.beforeMove},{source:s.hooks.eventTypes.scrollStart,target:this.hooks.eventTypes.scrollStart},{source:s.hooks.eventTypes.scroll,target:this.hooks.eventTypes.scroll},{source:s.hooks.eventTypes.beforeEnd,target:this.hooks.eventTypes.beforeEnd}]),s.hooks.on(s.hooks.eventTypes.end,function(t,e){return n.hooks.trigger(n.hooks.eventTypes.touchEnd,e),!!n.hooks.trigger(n.hooks.eventTypes.end,e)||(!(s.moved||(n.hooks.trigger(n.hooks.eventTypes.scrollCancel),!n.checkClick(t)))||(n.resetPosition(n.options.bounceTime,M.bounce)?(n.animater.setForceStopped(!1),!0):void 0))}),s.hooks.on(s.hooks.eventTypes.scrollEnd,function(t,e){var o=Math.abs(t.x-n.scrollBehaviorX.startPos),i=Math.abs(t.y-n.scrollBehaviorY.startPos);if(n.checkFlick(e,o,i))return n.animater.setForceStopped(!1),void n.hooks.trigger(n.hooks.eventTypes.flick);!n.momentum(t,e)&&(!n.animater.forceStopped||s.moved)?n.hooks.trigger(n.hooks.eventTypes.scrollEnd,t):n.animater.setForceStopped(!1)})},Pt.prototype.checkFlick=function(t,e,o){if(1<this.hooks.events.flick.length&&t<this.options.flickLimitTime&&e<this.options.flickLimitDistance&&o<this.options.flickLimitDistance&&(1<o||1<e))return!0},Pt.prototype.momentum=function(t,e){var o={time:0,easing:M.swiper,newX:t.x,newY:t.y},i=this.scrollBehaviorX.end(e),n=this.scrollBehaviorY.end(e);if(o.newX=f(i.destination)?o.newX:i.destination,o.newY=f(n.destination)?o.newY:n.destination,o.time=Math.max(i.duration,n.duration),this.hooks.trigger(this.hooks.eventTypes.momentum,o,this),o.newX!==t.x||o.newY!==t.y)return(o.newX>this.scrollBehaviorX.minScrollPos||o.newX<this.scrollBehaviorX.maxScrollPos||o.newY>this.scrollBehaviorY.minScrollPos||o.newY<this.scrollBehaviorY.maxScrollPos)&&(o.easing=M.swipeBounce),this.scrollTo(o.newX,o.newY,o.time,o.easing),!0},Pt.prototype.checkClick=function(t){var e,o,i,n=this.animater.forceStopped;if(this.hooks.trigger(this.hooks.eventTypes.checkClick))return this.animater.setForceStopped(!1),!0;if(n)return!1;var s,r,h=this.options.dblclick,a=!1;return h&&this.lastClickTime&&(r=void 0===(s=h.delay)?300:s,u()-this.lastClickTime<r&&(a=!0,O(t,"dblclick"))),this.options.tap&&(e=t,o=this.options.tap,(i=document.createEvent("Event")).initEvent(o,!0,!0),i.pageX=e.pageX,i.pageY=e.pageY,e.target.dispatchEvent(i)),this.options.click&&!X(t.target,this.options.preventDefaultException)&&O(t),this.lastClickTime=a?null:u(),!0},Pt.prototype.resize=function(){var t=this;this.actions.enabled&&(a&&(this.wrapper.scrollTop=0),clearTimeout(this.resizeTimeout),this.resizeTimeout=window.setTimeout(function(){t.hooks.trigger(t.hooks.eventTypes.resize)},this.options.resizePolling))},Pt.prototype.transitionEnd=function(t){t.target===this.content&&this.animater.pending&&(this.animater.transitionTime(),this.resetPosition(this.options.bounceTime,M.bounce)||(this.animater.setPending(!1),3!==this.options.probeType&&this.hooks.trigger(this.hooks.eventTypes.scrollEnd,this.getCurrentPos())))},Pt.prototype.togglePointerEvents=function(t){void 0===t&&(t=!0);for(var e=this.content.children.length?this.content.children:[this.content],o=t?"auto":"none",i=0;i<e.length;i++){var n=e[i];n.isBScrollContainer||(n.style.pointerEvents=o)}},Pt.prototype.refresh=function(t){var e=this.setContent(t);this.hooks.trigger(this.hooks.eventTypes.beforeRefresh),this.scrollBehaviorX.refresh(t),this.scrollBehaviorY.refresh(t),e&&(this.translater.setContent(t),this.animater.setContent(t),this.transitionEndRegister.destroy(),this.registerTransitionEnd(),this.options.bindToTarget&&this.actionsHandler.setContent(t)),this.actions.refresh(),this.wrapperOffset=b(this.wrapper)},Pt.prototype.setContent=function(t){var e=t!==this.content;return e&&(this.content=t),e},Pt.prototype.scrollBy=function(t,e,o,i){void 0===o&&(o=0);var n=this.getCurrentPos(),s=n.x,r=n.y;i=i||M.bounce,t+=s,e+=r,this.scrollTo(t,e,o,i)},Pt.prototype.scrollTo=function(t,e,o,i,n){void 0===o&&(o=0),void 0===i&&(i=M.bounce),void 0===n&&(n={start:{},end:{}});var s=this.options.useTransition?i.style:i.fn,r=this.getCurrentPos(),h=c({x:r.x,y:r.y},n.start),a=c({x:t,y:e},n.end);this.hooks.trigger(this.hooks.eventTypes.scrollTo,a),function(t,e){for(var o=0,i=Object.keys(t);o<i.length;o++){var n=i[o];if(t[n]!==e[n])return}return 1}(h,a)||this.animater.move(h,a,o,s)},Pt.prototype.scrollToElement=function(t,e,o,i,n){function s(t,e,o){return"number"==typeof t?t:t?Math.round(e/2-o/2):0}var r=g(t),h=b(r);o=s(o,r.offsetWidth,this.wrapper.offsetWidth),i=s(i,r.offsetHeight,this.wrapper.offsetHeight);function a(t,e,o,i){return t-=e,t=i.adjustPosition(t-o)}h.left=a(h.left,this.wrapperOffset.left,o,this.scrollBehaviorX),h.top=a(h.top,this.wrapperOffset.top,i,this.scrollBehaviorY),this.hooks.trigger(this.hooks.eventTypes.scrollToElement,r,h)||this.scrollTo(h.left,h.top,e,n)},Pt.prototype.resetPosition=function(t,e){void 0===t&&(t=0),void 0===e&&(e=M.bounce);var o=this.scrollBehaviorX.checkInBoundary(),i=o.position,n=o.inBoundary,s=this.scrollBehaviorY.checkInBoundary(),r=s.position,h=s.inBoundary;return(!n||!h)&&(l&&(this._reflow=this.content.offsetHeight),this.scrollTo(i,r,t,e),!0)},Pt.prototype.updatePositions=function(t){this.scrollBehaviorX.updatePosition(t.x),this.scrollBehaviorY.updatePosition(t.y)},Pt.prototype.getCurrentPos=function(){return this.actions.getCurrentPos()},Pt.prototype.enable=function(){this.actions.enabled=!0},Pt.prototype.disable=function(){H(this.animater.timer),this.actions.enabled=!1},Pt.prototype.destroy=function(){var e=this;["resizeRegister","transitionEndRegister","actionsHandler","actions","hooks","animater","translater","scrollBehaviorX","scrollBehaviorY"].forEach(function(t){return e[t].destroy()})},Pt);function Pt(t,e,o){this.wrapper=t,this.content=e,this.resizeTimeout=0,this.hooks=new R(["beforeStart","beforeMove","beforeScrollStart","scrollStart","scroll","beforeEnd","scrollEnd","resize","touchEnd","end","flick","scrollCancel","momentum","scrollTo","scrollToElement","beforeRefresh"]),this.options=o;var i,n,s,r,h,a,c=this.options.bounce,l=c.left,p=c.right,u=c.top,d=c.bottom;this.scrollBehaviorX=new ut(t,e,Tt(o,"scrollX",[l,p],{size:"width",position:"left"})),this.scrollBehaviorY=new ut(t,e,Tt(o,"scrollY",[u,d],{size:"height",position:"top"})),this.translater=new G(this.content),this.animater=(i=this.content,n=this.translater,s=this.options,r=s.useTransition,h={},Object.defineProperty(h,"probeType",{enumerable:!0,configurable:!1,get:function(){return s.probeType}}),new(r?it:rt)(i,n,h)),this.actionsHandler=new Z(this.options.bindToTarget?this.content:t,(a=this.options,["click","bindToWrapper","disableMouse","disableTouch","preventDefault","stopPropagation","tagException","preventDefaultException","autoEndDistance"].reduce(function(t,e){return t[e]=a[e],t},{}))),this.actions=new gt(this.scrollBehaviorX,this.scrollBehaviorY,this.actionsHandler,this.animater,this.options);var f=this.resize.bind(this);this.resizeRegister=new I(window,[{name:"orientationchange",handler:f},{name:"resize",handler:f}]),this.registerTransitionEnd(),this.init()}var wt,Et=(e(Bt,wt=R),Bt.use=function(e){var t=e.pluginName;return Bt.plugins.some(function(t){return e===t.ctor})||(f(t)?s("Plugin Class must specify plugin's name in static property by 'pluginName' field."):Bt.pluginsMap[t]?s("This plugin has been registered, maybe you need change plugin's name"):(Bt.pluginsMap[t]=!0,Bt.plugins.push({name:t,applyOrder:e.applyOrder,ctor:e}))),Bt},Bt.prototype.setContent=function(t){var e=!1,o=!0,i=t.children[this.options.specifiedIndexAsContent];return i?(e=this.content!==i)&&(this.content=i):(s("The wrapper need at least one child element to be content element to scroll."),o=!1),{valid:o,contentChanged:e}},Bt.prototype.init=function(t){var e=this;(this.wrapper=t).isBScrollContainer=!0,this.scroller=new St(t,this.content,this.options),this.scroller.hooks.on(this.scroller.hooks.eventTypes.resize,function(){e.refresh()}),this.eventBubbling(),this.handleAutoBlur(),this.enable(),this.proxy(n),this.applyPlugins(),this.refreshWithoutReset(this.content);var o=this.options,i={x:o.startX,y:o.startY};this.hooks.trigger(this.hooks.eventTypes.beforeInitialScrollTo,i)||this.scroller.scrollTo(i.x,i.y)},Bt.prototype.applyPlugins=function(){var o=this,i=this.options;Bt.plugins.sort(function(t,e){var o,i=((o={}).pre=-1,o.post=1,o);return(t.applyOrder?i[t.applyOrder]:0)-(e.applyOrder?i[e.applyOrder]:0)}).forEach(function(t){var e=t.ctor;i[t.name]&&"function"==typeof e&&(o.plugins[t.name]=new e(o))})},Bt.prototype.handleAutoBlur=function(){this.options.autoBlur&&this.on(this.eventTypes.beforeScrollStart,function(){var t=document.activeElement;!t||"INPUT"!==t.tagName&&"TEXTAREA"!==t.tagName||t.blur()})},Bt.prototype.eventBubbling=function(){bt(this.scroller.hooks,this,[this.eventTypes.beforeScrollStart,this.eventTypes.scrollStart,this.eventTypes.scroll,this.eventTypes.scrollEnd,this.eventTypes.scrollCancel,this.eventTypes.touchEnd,this.eventTypes.flick])},Bt.prototype.refreshWithoutReset=function(t){this.scroller.refresh(t),this.hooks.trigger(this.hooks.eventTypes.refresh,t),this.trigger(this.eventTypes.refresh,t)},Bt.prototype.proxy=function(t){var r=this;t.forEach(function(t){var e,o,i,n=t.key,s=t.sourceKey;e=r,o=s,i=n,K.get=function(){return function(t,e){for(var o=e.split("."),i=0;i<o.length-1;i++)if("object"!=typeof(t=t[o[i]])||!t)return;var n=o.pop();return"function"==typeof t[n]?function(){return t[n].apply(t,arguments)}:t[n]}(this,o)},K.set=function(t){!function(t,e,o){for(var i,n=e.split("."),s=0;s<n.length-1;s++)t[i=n[s]]||(t[i]={}),t=t[i];t[n.pop()]=o}(this,o,t)},Object.defineProperty(e,i,K)})},Bt.prototype.refresh=function(){var t,e=this.setContent(this.wrapper),o=e.contentChanged;e.valid&&(t=this.content,this.refreshWithoutReset(t),o&&(this.hooks.trigger(this.hooks.eventTypes.contentChanged,t),this.trigger(this.eventTypes.contentChanged,t)),this.scroller.resetPosition())},Bt.prototype.enable=function(){this.scroller.enable(),this.hooks.trigger(this.hooks.eventTypes.enable),this.trigger(this.eventTypes.enable)},Bt.prototype.disable=function(){this.scroller.disable(),this.hooks.trigger(this.hooks.eventTypes.disable),this.trigger(this.eventTypes.disable)},Bt.prototype.destroy=function(){this.hooks.trigger(this.hooks.eventTypes.destroy),this.trigger(this.eventTypes.destroy),this.scroller.destroy()},Bt.prototype.eventRegister=function(t){this.registerType(t)},Bt.plugins=[],Bt.pluginsMap={},Bt);function Bt(t,e){var o=wt.call(this,["refresh","contentChanged","enable","disable","beforeScrollStart","scrollStart","scroll","scrollEnd","scrollCancel","touchEnd","flick","destroy"])||this,i=g(t);return i?(o.plugins={},o.options=(new q).merge(e).process(),o.setContent(i).valid&&(o.hooks=new R(["refresh","enable","disable","destroy","beforeInitialScrollTo","contentChanged"]),o.init(i)),o):(s("Can not resolve the wrapper DOM."),o)}function Ct(t,e){return new Et(t,e)}Ct.use=Et.use,Ct.plugins=Et.plugins,Ct.pluginsMap=Et.pluginsMap;var Dt=Ct;t.Behavior=ut,t.CustomOptions=W,t.createBScroll=Ct,t.default=Dt,Object.defineProperty(t,"__esModule",{value:!0})}),"undefined"!=typeof window&&window.BScroll&&(window.BScroll=window.BScroll.default);

dist/types/animater/Transition.d.ts

@@ -5,3 +5,3 @@ import { EaseFn } from '@better-scroll/shared-utils';
 export default class Transition extends Base {
-    startProbe(): void;
+    startProbe(endPoint: TranslaterPoint): void;
     transitionTime(time?: number): void;
@@ -8,0 +8,0 @@ transitionTimingFunction(easing: string): void;

package.json

 {
   "name": "@better-scroll/core",
-  "version": "2.0.5",
+  "version": "2.0.6",
   "description": "Minimalistic core scrolling for BetterScroll, it is pure and tiny",
@@ -34,5 +34,5 @@ "author": {
   "dependencies": {
-    "@better-scroll/shared-utils": "^2.0.5"
+    "@better-scroll/shared-utils": "^2.0.6"
   },
-  "gitHead": "8fb2cd55daa85f0df2ff8137fe699cb3bb820373"
+  "gitHead": "00b314eada44d4c430eda138ccf27d3b91d39421"
 }

src/__mocks__/index.ts

@@ -23,2 +23,4 @@ import Scroller from '../scroller/Scroller'
     'flick',
+    'alterOptions',
+    'mousewheelEnd',
   ])
@@ -25,0 +27,0 @@ const res = {

src/__tests__/__utils__/event.ts

@@ -20,3 +20,5 @@ export function createEvent(type: string, name: string): Event {
 interface CustomMouseEvent extends Event {
-  button: 0
+  button: 0 | 1
+  pageX: number
+  pageY: number
 }
@@ -34,5 +36,11 @@
 
-export function dispatchMouse(target: EventTarget, name = 'mousedown'): void {
+export function dispatchMouse(
+  target: EventTarget,
+  name = 'mousedown',
+  useLeftButton = true
+): void {
   const event = <CustomMouseEvent>createEvent('', name)
-  event.button = 0
+  event.button = useLeftButton ? 0 : 1
+  event.pageX = 0
+  event.pageY = 0
   target.dispatchEvent(event)
@@ -39,0 +47,0 @@ }

src/__tests__/index.spec.ts

@@ -5,6 +5,7 @@ import BScroll from '../index'
   let bscroll: BScroll
-  let div = document.createElement('div')
-
+  let wrapper = document.createElement('div')
+  let content = document.createElement('p')
+  wrapper.appendChild(content)
   beforeEach(() => {
-    bscroll = new BScroll(div, {})
+    bscroll = new BScroll(wrapper, {})
   })
@@ -16,3 +17,3 @@ afterEach(() => {
 
-  it('should use plugins successfully when call use()', () => {
+  it('use()', () => {
     const plugin = class MyPlugin {
@@ -22,4 +23,22 @@ static pluginName = 'myPlugin'
     BScroll.use(plugin)
+    // has installed
+    BScroll.use(plugin)
 
     expect(BScroll.plugins.length).toBe(1)
+
+    // Plugin should specify pluginName
+    const spyFn = jest.spyOn(console, 'error')
+    const unnamedPlugin = class UnnamedPlugin {}
+    BScroll.use(unnamedPlugin as any)
+    expect(spyFn).toBeCalled()
+    spyFn.mockRestore()
+
+    const spyFn2 = jest.spyOn(console, 'error')
+    // duplicate register plugins
+    const plugin2 = class MyPlugin2 {
+      static pluginName = 'myPlugin'
+    }
+    BScroll.use(plugin2)
+    expect(spyFn2).toBeCalled()
+    spyFn2.mockRestore()
   })
@@ -52,5 +71,57 @@
     expect(spy).toBeCalledTimes(2)
+  })
 
-    spy.mockRestore()
+  it('disable()', () => {
+    const mockFn = jest.fn()
+    bscroll.on(bscroll.eventTypes.disable, mockFn)
+    bscroll.hooks.on(bscroll.hooks.eventTypes.disable, mockFn)
+    bscroll.disable()
+
+    expect(mockFn).toBeCalledTimes(2)
   })
+
+  it('destroy()', () => {
+    const mockFn = jest.fn()
+    bscroll.on(bscroll.eventTypes.destroy, mockFn)
+    bscroll.hooks.on(bscroll.hooks.eventTypes.destroy, mockFn)
+    bscroll.destroy()
+
+    expect(mockFn).toBeCalledTimes(2)
+  })
+
+  it('eventRegister()', () => {
+    bscroll.eventRegister(['dummy'])
+    expect(bscroll.eventTypes.dummy).toBeTruthy()
+  })
+
+  it('should refresh when window resized', () => {
+    const mockFn = jest.fn()
+    bscroll.on(bscroll.eventTypes.refresh, mockFn)
+    bscroll.scroller.hooks.trigger(bscroll.scroller.hooks.eventTypes.resize)
+    expect(mockFn).toBeCalledTimes(1)
+  })
+
+  it('plugin wanna control scroll position ', () => {
+    const mockFn = jest.fn().mockImplementation(() => true)
+    class DummyPlugin {
+      static pluginName = 'dummy'
+      constructor(scroll: BScroll) {
+        scroll.hooks.on(scroll.hooks.eventTypes.beforeInitialScrollTo, mockFn)
+      }
+    }
+    BScroll.use(DummyPlugin)
+    bscroll = new BScroll(wrapper, { dummy: true })
+    expect(mockFn).toBeCalled()
+  })
+
+  it('should trigger contentChanged hook when content DOM has changed', () => {
+    const mockFn = jest.fn()
+    bscroll.on(bscroll.eventTypes.contentChanged, mockFn)
+
+    // content DOM has
+    wrapper.removeChild(content)
+    wrapper.appendChild(document.createElement('div'))
+    bscroll.refresh()
+    expect(mockFn).toBeCalled()
+  })
 })

src/__tests__/Options.spec.ts

@@ -117,2 +117,5 @@ import { OptionsConstructor } from '../Options'
     })
+    // an invalid parameter
+    const ret = options.merge()
+    expect(ret).toBe(options)
   })
@@ -119,0 +122,0 @@

src/animater/__mocks__/Animation.ts

@@ -30,2 +30,3 @@ import { EventEmitter } from '@better-scroll/shared-utils'
       setForceStopped: jest.fn(),
+      setContent: jest.fn(),
     }
@@ -32,0 +33,0 @@ })

src/animater/__mocks__/Transition.ts

@@ -33,2 +33,3 @@ import { EventEmitter } from '@better-scroll/shared-utils'
       setForceStopped: jest.fn(),
+      setContent: jest.fn(),
     }
@@ -35,0 +36,0 @@ })

src/animater/__tests__/Animation.spec.ts

@@ -22,3 +22,3 @@ import Translater from '../../translater'
 
-function createTransition(probeType: number) {
+function createAnimation(probeType: number) {
   const dom = document.createElement('div')
@@ -44,3 +44,3 @@ const translater = new Translater(dom)
   it('should off hooks and cancelAnimationFrame when destroy', () => {
-    const { animation } = createTransition(0)
+    const { animation } = createAnimation(0)
     const hooksDestroySpy = jest.spyOn(animation.hooks, 'destroy')
@@ -53,3 +53,3 @@ animation.destroy()
   it('should move to endPoint and trigger hooks in one step when time=0', () => {
-    const { animation, translater } = createTransition(0)
+    const { animation, translater } = createAnimation(0)
     const onMove = jest.fn()
@@ -77,3 +77,3 @@ const onEnd = jest.fn()
   it('should move to endPoint for serveral steps with time', () => {
-    const { animation, translater, dom } = createTransition(3)
+    const { animation, translater, dom } = createAnimation(3)
     const onMove = jest.fn()
@@ -130,3 +130,3 @@ const onEnd = jest.fn()
   it('should force stop', () => {
-    const { animation, translater } = createTransition(3)
+    const { animation, translater } = createAnimation(3)
     const onMove = jest.fn()
@@ -183,2 +183,10 @@ const onForceStop = jest.fn()
   })
+
+  it('cancelable beforeForceStop hook ', () => {
+    const { animation, translater } = createAnimation(3)
+    animation.hooks.on(animation.hooks.eventTypes.beforeForceStop, () => true)
+    animation.setPending(true)
+    const ret = animation.doStop()
+    expect(ret).toBe(true)
+  })
 })

src/animater/__tests__/Transition.spec.ts

@@ -128,3 +128,6 @@ import Translater from '../../translater/index'
   it('should startProbe with probeType=3', () => {
-    const { transition } = createTransition(3)
+    const { transition, translater } = createTransition(3)
+    translater.getComputedPosition = jest.fn().mockImplementation(() => {
+      return { x: 0, y: 0 }
+    })
     mockRequestAnimationFrame.mockImplementation((cb) => {
@@ -159,2 +162,13 @@ setTimeout(() => {
   })
+
+  it('cancelable beforeForceStop hook ', () => {
+    const { transition, translater } = createTransition(3)
+    transition.hooks.on(transition.hooks.eventTypes.beforeForceStop, () => true)
+    translater.getComputedPosition = jest.fn().mockImplementation(() => {
+      return { x: 0, y: 0 }
+    })
+    transition.setPending(true)
+    const ret = transition.doStop()
+    expect(ret).toBe(true)
+  })
 })

src/animater/Animation.ts

@@ -68,2 +68,3 @@ import Base from './Base'
       // should not dispatch end hook, because forceStop hook will do this.
+      /* istanbul ignore if  */
       if (!this.pending && !this.forceStopped) {
@@ -70,0 +71,0 @@ this.hooks.trigger(this.hooks.eventTypes.end, endPoint)

src/animater/Transition.ts

@@ -10,8 +10,15 @@ import {
 import { TranslaterPoint } from '../translater'
+import { isValidPostion } from '../utils/compat'
 
 export default class Transition extends Base {
-  startProbe() {
+  startProbe(endPoint: TranslaterPoint) {
+    let prePos = this.translater.getComputedPosition()
+    let startPoint = prePos
     const probe = () => {
       let pos = this.translater.getComputedPosition()
-      this.hooks.trigger(this.hooks.eventTypes.move, pos)
+      if (isValidPostion(startPoint, endPoint, pos, prePos)) {
+        this.hooks.trigger(this.hooks.eventTypes.move, pos)
+      }
+      prePos = pos
+
       // transition ends should dispatch end hook.
@@ -59,3 +66,3 @@ // but when call stop() in animation.hooks.move or bs.scroll
     if (time && this.options.probeType === Probe.Realtime) {
-      this.startProbe()
+      this.startProbe(endPoint)
     }
@@ -62,0 +69,0 @@

src/base/__mocks__/ActionsHandler.ts

@@ -15,3 +15,5 @@ import { EventRegister, EventEmitter } from '@better-scroll/shared-utils'
       hooks: new EventEmitter(['beforeStart', 'start', 'move', 'end', 'click']),
-      destroy: jest.fn()
+      destroy: jest.fn(),
+      setInitiated: jest.fn(),
+      setContent: jest.fn(),
     }
@@ -18,0 +20,0 @@ })

src/base/__tests__/ActionsHandler.spec.ts

@@ -64,4 +64,22 @@ import ActionsHandler, {
 
-    expect(beforeStartMockHandler).toBeCalled()
-    expect(startMockHandler).toBeCalled()
+    expect(beforeStartMockHandler).toBeCalledTimes(1)
+    expect(startMockHandler).toBeCalledTimes(1)
+
+    // return early
+    actionsHandler.setInitiated(1)
+    dispatchMouse(wrapper, 'mousedown')
+    expect(beforeStartMockHandler).toBeCalledTimes(1)
+    expect(startMockHandler).toBeCalledTimes(1)
+
+    // only allow mouse left button
+    actionsHandler.setInitiated(0)
+    dispatchMouse(wrapper, 'mousedown', false)
+    expect(beforeStartMockHandler).toBeCalledTimes(1)
+    expect(startMockHandler).toBeCalledTimes(1)
+
+    // cancelable beforeStart hook
+    actionsHandler.hooks.on('beforeStart', () => true)
+    dispatchMouse(wrapper, 'mousedown')
+    expect(beforeStartMockHandler).toBeCalledTimes(2)
+    expect(startMockHandler).toBeCalledTimes(1)
   })
@@ -71,7 +89,11 @@
     actionsHandler = new ActionsHandler(wrapper, options)
-    const moveMockHandler = jest.fn().mockImplementation(() => {
+    const moveMockHandler1 = jest.fn().mockImplementationOnce(() => {
+      return true
+    })
+    const moveMockHandler2 = jest.fn().mockImplementation(() => {
       return 'dummy test'
     })
 
-    actionsHandler.hooks.on('move', moveMockHandler)
+    actionsHandler.hooks.on('move', moveMockHandler1)
+    actionsHandler.hooks.on('move', moveMockHandler2)
 
@@ -82,3 +104,14 @@ dispatchMouse(wrapper, 'mousedown')
 
-    expect(moveMockHandler).toBeCalled()
+    expect(moveMockHandler1).toBeCalledTimes(1)
+
+    // cancelable move hook
+    expect(moveMockHandler2).not.toBeCalled()
+
+    // simulate finger moved out of viewport
+    actionsHandler.pointX = 5
+    const endMockHandler = jest.fn()
+    actionsHandler.hooks.on(actionsHandler.hooks.eventTypes.end, endMockHandler)
+    dispatchMouse(window, 'mousemove')
+
+    expect(endMockHandler).toBeCalled()
   })
@@ -131,2 +164,19 @@
   })
+
+  it('destroy()', () => {
+    actionsHandler = new ActionsHandler(wrapper, options)
+
+    actionsHandler.destroy()
+
+    expect(actionsHandler.wrapperEventRegister.events.length).toBe(0)
+    expect(actionsHandler.targetEventRegister.events.length).toBe(0)
+    expect(actionsHandler.hooks.eventTypes).toMatchObject({})
+    expect(actionsHandler.hooks.events).toMatchObject({})
+  })
+
+  it('setContent()', () => {
+    const p = document.createElement('p')
+    actionsHandler.setContent(p)
+    expect(actionsHandler.wrapper).toBe(p)
+  })
 })

src/BScroll.ts

@@ -196,2 +196,3 @@ import { BScrollInstance, propertiesConfig } from './Instance'
   private handleAutoBlur() {
+    /* istanbul ignore if  */
     if (this.options.autoBlur) {
@@ -198,0 +199,0 @@ this.on(this.eventTypes.beforeScrollStart, () => {

src/scroller/__mocks__/Actions.ts

@@ -30,3 +30,8 @@ import DirectionLock from '../DirectionLock'
         endTime: 0,
-        getCurrentPos: jest.fn(),
+        getCurrentPos: jest.fn().mockImplementation(() => {
+          return {
+            x: 0,
+            y: 0,
+          }
+        }),
         refresh: jest.fn(),
@@ -41,4 +46,4 @@ destroy: jest.fn(),
           'end',
-          'scrollEnd'
-        ])
+          'scrollEnd',
+        ]),
       }
@@ -45,0 +50,0 @@ }

src/scroller/__mocks__/Behavior.ts

@@ -24,2 +24,3 @@ import { EventEmitter } from '@better-scroll/shared-utils'
       'computeBoundary',
+      'ignoreHasScroll',
     ]),
@@ -33,3 +34,8 @@ start: jest.fn(),
     getCurrentPos: jest.fn(),
-    checkInBoundary: jest.fn(),
+    checkInBoundary: jest.fn().mockImplementation(() => {
+      return {
+        position: 0,
+        inBoundary: false,
+      }
+    }),
     adjustPosition: jest.fn(),
@@ -39,3 +45,5 @@ updateStartPos: jest.fn(),
     resetStartPos: jest.fn(),
-    getAbsDist: jest.fn(),
+    getAbsDist: jest.fn().mockImplementation((delta: number) => {
+      return Math.abs(delta)
+    }),
     destroy: jest.fn(),
@@ -42,0 +50,0 @@ computeBoundary: jest.fn(),

src/scroller/__mocks__/DirectionLock.ts

@@ -8,3 +8,15 @@ const DirectionLock = jest
       eventPassthrough: '',
-      freeScroll: false
+      freeScroll: false,
+      reset: jest.fn(),
+      checkMovingDirection: jest.fn().mockImplementation((ret = true) => {
+        return ret
+      }),
+      adjustDelta: jest
+        .fn()
+        .mockImplementation((deltaX: number = 0, deltaY: number = 0) => {
+          return {
+            deltaX,
+            deltaY,
+          }
+        }),
     }
@@ -11,0 +23,0 @@ })

src/scroller/__tests__/Actions.spec.ts

@@ -6,2 +6,3 @@ import { Behavior } from '../Behavior'
 import ActionsHandler from '../../base/ActionsHandler'
+import DirectionLockAction from '../DirectionLock'
 
@@ -13,2 +14,3 @@ jest.mock('../Behavior')
 jest.mock('../../base/ActionsHandler')
+jest.mock('../DirectionLock')
 
@@ -71,5 +73,11 @@ import Actions from '../Actions'
     let scrollHandler = jest.fn()
-    actions.hooks.on('beforeMove', beforeMoveMockHandler)
-    actions.hooks.on('scrollStart', scrollStartHandler)
-    actions.hooks.on('scroll', scrollHandler)
+    // cancelable beforeMove hook
+    actions.hooks.on(
+      actions.hooks.eventTypes.beforeMove,
+      jest.fn().mockImplementationOnce(() => true)
+    )
+    actions.hooks.on(actions.hooks.eventTypes.beforeMove, beforeMoveMockHandler)
+    actions.hooks.on(actions.hooks.eventTypes.scrollStart, scrollStartHandler)
+    actions.hooks.on(actions.hooks.eventTypes.scroll, scrollHandler)
+
     actions.actionsHandler.hooks.trigger('move', {
@@ -81,16 +89,46 @@ deltaX: 0,
 
-    expect(beforeMoveMockHandler).toBeCalled()
-    expect(beforeMoveMockHandler).toHaveBeenCalledWith(e)
+    expect(beforeMoveMockHandler).toHaveBeenCalledTimes(0)
+
+    // moved less than 15 px
+    actions.endTime = Date.now() - 400
+    actions.actionsHandler.hooks.trigger('move', {
+      deltaX: 0,
+      deltaY: 10,
+      e,
+    })
+
+    expect(beforeMoveMockHandler).toHaveBeenCalledTimes(1)
+    expect(actions.directionLockAction.checkMovingDirection).not.toBeCalled()
+
+    // lock direction
+    actions.endTime = Date.now()
+    actions.actionsHandler.hooks.trigger('move', {
+      deltaX: 10,
+      deltaY: 0,
+      e,
+    })
+    expect(beforeMoveMockHandler).toHaveBeenCalledTimes(2)
+    expect(actions.actionsHandler.setInitiated).toBeCalled()
+
+    actions.startTime = Date.now() - 400
+    actions.options.probeType = 1
+    actions.actionsHandler.hooks.trigger('move', {
+      deltaX: 0,
+      deltaY: -20,
+      e,
+    })
+    expect(beforeMoveMockHandler).toHaveBeenCalledTimes(3)
     expect(scrollStartHandler).toBeCalled()
-    // because probeType is 0
-    expect(scrollHandler).not.toBeCalled()
-
-    expect(actions.scrollBehaviorX.getAbsDist).toBeCalled()
-    expect(actions.scrollBehaviorY.getAbsDist).toBeCalled()
-    expect(actions.scrollBehaviorX.getAbsDist).toHaveBeenCalledWith(0)
+    expect(scrollHandler).toBeCalledTimes(1)
     expect(actions.scrollBehaviorY.getAbsDist).toHaveBeenCalledWith(-20)
-    expect(actions.scrollBehaviorX.move).toBeCalled()
-    expect(actions.scrollBehaviorY.move).toBeCalled()
-    expect(actions.scrollBehaviorX.move).toHaveBeenCalledWith(0)
     expect(actions.scrollBehaviorY.move).toHaveBeenCalledWith(-20)
+
+    actions.startTime = Date.now()
+    actions.options.probeType = 3
+    actions.actionsHandler.hooks.trigger('move', {
+      deltaX: 0,
+      deltaY: -20,
+      e,
+    })
+    expect(scrollHandler).toBeCalledTimes(2)
   })
@@ -103,11 +141,37 @@
     let e = new Event('touchend')
-    actions.hooks.on('beforeEnd', beforeEndMockHandler)
-    actions.hooks.on('end', endMockHandler)
-    actions.hooks.on('scrollEnd', scrollEndHandler)
-    actions.actionsHandler.hooks.trigger('end', e)
+    // cancelable beforeEnd hook
+    actions.hooks.on(
+      actions.hooks.eventTypes.beforeEnd,
+      jest.fn().mockImplementationOnce(() => true)
+    )
+    // cancelable end hook
+    actions.hooks.on(
+      actions.hooks.eventTypes.end,
+      jest.fn().mockImplementationOnce(() => true)
+    )
+    actions.hooks.on(actions.hooks.eventTypes.beforeEnd, beforeEndMockHandler)
+    actions.hooks.on(actions.hooks.eventTypes.end, endMockHandler)
+    actions.hooks.on(actions.hooks.eventTypes.scrollEnd, scrollEndHandler)
 
-    expect(beforeEndMockHandler).toBeCalled()
-    expect(actions.scrollBehaviorX.updateDirection).toBeCalled()
-    expect(actions.scrollBehaviorY.updateDirection).toBeCalled()
-    expect(endMockHandler).toBeCalled()
+    actions.actionsHandler.hooks.trigger(
+      actions.actionsHandler.hooks.eventTypes.end,
+      e
+    )
+    expect(beforeEndMockHandler).not.toBeCalled()
+    expect(actions.scrollBehaviorX.updateDirection).not.toBeCalled()
+
+    actions.actionsHandler.hooks.trigger(
+      actions.actionsHandler.hooks.eventTypes.end,
+      e
+    )
+
+    expect(beforeEndMockHandler).toHaveBeenCalledTimes(1)
+    expect(actions.scrollBehaviorX.updateDirection).toHaveBeenCalledTimes(1)
+    expect(actions.scrollBehaviorY.updateDirection).toHaveBeenCalledTimes(1)
+    expect(endMockHandler).not.toBeCalled()
+
+    actions.actionsHandler.hooks.trigger(
+      actions.actionsHandler.hooks.eventTypes.end,
+      e
+    )
     expect(scrollEndHandler).toBeCalled()
@@ -128,3 +192,3 @@ })
 
-  it('should gc when invoking destroy method', () => {
+  it('destroy()', () => {
     actions.destroy()
@@ -135,2 +199,31 @@
   })
+
+  it('should can be disabled', () => {
+    actions.enabled = false
+    const actionsHandler = actions.actionsHandler
+
+    actionsHandler.hooks.trigger(actionsHandler.hooks.eventTypes.start)
+    expect(actions.directionLockAction.reset).not.toBeCalled()
+
+    actionsHandler.hooks.trigger(actionsHandler.hooks.eventTypes.move, {
+      deltaX: 0,
+      deltaY: 0,
+    })
+    expect(actions.scrollBehaviorX.getAbsDist).not.toBeCalled()
+
+    actionsHandler.hooks.trigger(actionsHandler.hooks.eventTypes.end)
+    expect(actions.scrollBehaviorX.updateDirection).not.toBeCalled()
+  })
+
+  it('should prevent native click event', () => {
+    actions.actionsHandler.hooks.trigger(
+      actions.actionsHandler.hooks.eventTypes.click,
+      {
+        _constructed: false,
+        target: document.createElement('div'),
+        preventDefault() {},
+        stopPropagation() {},
+      }
+    )
+  })
 })

src/scroller/__tests__/Behavior.spec.ts

@@ -86,2 +86,13 @@ import { Behavior } from '../Behavior'
     })
+    behavior.hooks.on(
+      behavior.hooks.eventTypes.momentum,
+      (momentumData: any) => {
+        momentumData.destination = 200
+      }
+    )
+    expect(behavior.end(100)).toEqual({
+      destination: -0,
+      duration: 2500,
+      rate: 15,
+    })
   })
@@ -107,2 +118,35 @@
   })
+
+  it('performDampingAlgorithm()', () => {
+    const ret = behavior.performDampingAlgorithm(20, 0.1)
+    expect(ret).toBe(2)
+
+    behavior.options.bounces = [false, false]
+    // simulate out of the boundaries and no bounce
+    const ret2 = behavior.performDampingAlgorithm(20, 0.1)
+    expect(ret2).toBe(-0)
+  })
+
+  it('getAbsDist()', () => {
+    const ret = behavior.getAbsDist(-20)
+    expect(ret).toBe(20)
+  })
+
+  it('adjustPosition()', () => {
+    const ret = behavior.adjustPosition(20.1)
+    expect(ret).toBe(-0)
+  })
+
+  it('computeBoundary()', () => {
+    behavior.hooks.on(
+      behavior.hooks.eventTypes.computeBoundary,
+      (boundary: { minScrollPos: number; maxScrollPos: number }) => {
+        boundary.minScrollPos = 20
+        boundary.maxScrollPos = 30
+      }
+    )
+    behavior.computeBoundary()
+
+    expect(behavior.maxScrollPos).toEqual(behavior.minScrollPos)
+  })
 })

src/scroller/__tests__/DirectionLock.spec.ts

 import DirectionLock from '../DirectionLock'
-
+import {
+  Direction,
+  DirectionLock as DirectionLockEnum,
+} from '@better-scroll/shared-utils'
 describe('DirectionLock Class tests', () => {
@@ -33,2 +36,53 @@ let directionLock: DirectionLock
   })
+
+  it('adjustDelta() ', () => {
+    directionLock.directionLocked = DirectionLockEnum.Horizontal
+    const ret1 = directionLock.adjustDelta(20, 20)
+    expect(ret1).toMatchObject({
+      deltaX: 20,
+      deltaY: 0,
+    })
+
+    directionLock.directionLocked = DirectionLockEnum.Vertical
+    const ret2 = directionLock.adjustDelta(20, 20)
+    expect(ret2).toMatchObject({
+      deltaX: 0,
+      deltaY: 20,
+    })
+  })
+
+  it('reset()', () => {
+    directionLock.directionLocked = DirectionLockEnum.Vertical
+    directionLock.reset()
+    expect(directionLock.directionLocked).toBe(DirectionLockEnum.Default)
+  })
+
+  it('checkMovingDirection()', () => {
+    directionLock.directionLocked = DirectionLockEnum.Horizontal
+    directionLock.eventPassthrough = DirectionLockEnum.Horizontal
+    const ret1 = directionLock.checkMovingDirection(20, 20, {
+      preventDefault() {
+        return true
+      },
+    } as any)
+    expect(ret1).toBe(true)
+
+    directionLock.directionLocked = DirectionLockEnum.Horizontal
+    directionLock.eventPassthrough = DirectionLockEnum.Vertical
+    const ret2 = directionLock.checkMovingDirection(20, 20, {
+      preventDefault() {
+        return true
+      },
+    } as any)
+    expect(ret2).toBe(false)
+
+    // no locked
+    directionLock.directionLocked = DirectionLockEnum.Default
+    const ret3 = directionLock.checkMovingDirection(20, 20, {
+      preventDefault() {
+        return true
+      },
+    } as any)
+    expect(ret3).toBe(false)
+  })
 })

src/scroller/__tests__/Scroller.spec.ts

@@ -95,2 +95,3 @@ import { Behavior } from '../Behavior'
       let scrollEndMockHandler = jest.fn()
+      scroller.hooks.on('scrollEnd', scrollEndMockHandler)
       scroller.scrollBehaviorX.checkInBoundary = jest
@@ -112,8 +113,5 @@ .fn()
         })
-      scroller.hooks.on('scrollEnd', scrollEndMockHandler)
       scroller.animater.hooks.trigger('end', pos)
 
-      expect(scroller.animater.setPending).toBeCalled()
       expect(scroller.animater.setPending).toHaveBeenCalledWith(false)
-      expect(scrollEndMockHandler).toBeCalled()
       expect(scrollEndMockHandler).toHaveBeenCalledWith({
@@ -142,6 +140,21 @@ x: 0,
       let e = new Event('touch') as any
-      scroller.hooks.on('touchEnd', touchEndMockHandler)
-      scroller.hooks.trigger('touchEnd', { x: 0, y: 0 })
-      scroller.actions.hooks.trigger('end', e, { x: 0, y: 0 })
+      Object.defineProperty(e, 'target', {
+        get() {
+          return scroller.wrapper
+        },
+      })
+      // cancelable scroller end hook
+      scroller.hooks.on(scroller.hooks.eventTypes.touchEnd, touchEndMockHandler)
+      scroller.hooks.trigger(scroller.hooks.eventTypes.touchEnd, { x: 0, y: 0 })
+      scroller.hooks.on(
+        scroller.hooks.eventTypes.end,
+        jest.fn().mockImplementationOnce(() => true)
+      )
+      const ret = scroller.actions.hooks.trigger(
+        scroller.actions.hooks.eventTypes.end,
+        e,
+        { x: 0, y: 0 }
+      )
 
+      expect(ret).toBe(true)
       expect(touchEndMockHandler).toBeCalled()
@@ -152,14 +165,66 @@ expect(touchEndMockHandler).toHaveBeenCalledWith({
       })
+
+      /* click operation */
+      // case 1
+
+      scroller.hooks.on(
+        scroller.hooks.eventTypes.checkClick,
+        jest.fn().mockImplementationOnce(() => true)
+      )
+      scroller.actions.hooks.trigger(scroller.actions.hooks.eventTypes.end, e, {
+        x: 0,
+        y: 0,
+      })
+
+      expect(scroller.animater.setForceStopped).toBeCalledWith(false)
+
+      // case 2 dblclick
+      const mockFn2 = jest.fn()
+      scroller.options.dblclick = true
+      scroller.lastClickTime = Date.now()
+      scroller.wrapper.addEventListener('dblclick', mockFn2)
+      scroller.actions.hooks.trigger(scroller.actions.hooks.eventTypes.end, e, {
+        x: 0,
+        y: 0,
+      })
+      expect(mockFn2).toBeCalled()
+
+      // case 3 tap
+      const mockFn3 = jest.fn()
+      scroller.options.tap = 'tap'
+      scroller.wrapper.addEventListener('tap', mockFn3)
+      scroller.actions.hooks.trigger(scroller.actions.hooks.eventTypes.end, e, {
+        x: 0,
+        y: 0,
+      })
+      expect(mockFn3).toBeCalled()
+
+      // case 4 click
+      const mockFn4 = jest.fn()
+      scroller.options.click = true
+      scroller.wrapper.addEventListener('click', mockFn4)
+      scroller.actions.hooks.trigger(scroller.actions.hooks.eventTypes.end, e, {
+        x: 0,
+        y: 0,
+      })
+      expect(mockFn4).toBeCalled()
+
+      // case 5 force stopped
+      scroller.animater.forceStopped = true
+      const ret2 = scroller.actions.hooks.trigger(
+        scroller.actions.hooks.eventTypes.end,
+        e,
+        { x: 0, y: 0 }
+      )
+      expect(ret2).toBe(true)
     })
 
     it('bind scrollEnd hook', () => {
-      let scrollEndMockHandler = jest.fn()
       let momentumMockHandler = jest.fn()
       let noop = (() => {}) as any
-      scroller.hooks.on('scrollEnd', scrollEndMockHandler)
       scroller.hooks.on('momentum', momentumMockHandler)
-      scroller.hooks.events['flick'] = [noop]
       scroller.scrollBehaviorX.end = jest.fn().mockImplementation(() => {
         return {
           duration: 400,
+          destination: 0,
         }
@@ -170,17 +235,47 @@ })
           duration: 400,
+          destination: -20,
         }
       })
-      scroller.actions.hooks.trigger('scrollEnd', { x: 0, y: -20 }, 50)
+      // flick
+      const mockFn = jest.fn()
+      scroller.hooks.events['flick'] = [noop, noop]
+      scroller.hooks.on(scroller.hooks.eventTypes.flick, mockFn)
+      scroller.actions.hooks.trigger(
+        scroller.actions.hooks.eventTypes.scrollEnd,
+        { x: 0, y: -20 },
+        50
+      )
+      expect(mockFn).toBeCalled()
 
-      expect(scrollEndMockHandler).toBeCalled()
-      expect(momentumMockHandler).toBeCalled()
-      expect(momentumMockHandler).toHaveBeenCalledWith(
-        {
-          easing: undefined,
-          newX: 0,
-          newY: -20,
-          time: 400,
-        },
-        expect.anything()
+      // momentum
+      scroller.hooks.events['flick'] = []
+      scroller.actions.hooks.trigger(
+        scroller.actions.hooks.eventTypes.scrollEnd,
+        { x: 0, y: -40 },
+        50
       )
+      expect(scroller.animater.setForceStopped).toBeCalledWith(false)
+
+      // force stop from transition
+      scroller.actions.moved = false
+      scroller.animater.forceStopped = true
+      scroller.actions.hooks.trigger(
+        scroller.actions.hooks.eventTypes.scrollEnd,
+        { x: 0, y: -20 },
+        50
+      )
+      expect(scroller.animater.setForceStopped).toBeCalledWith(false)
+
+      const mockFn2 = jest.fn()
+      scroller.animater.forceStopped = false
+      scroller.hooks.on(scroller.hooks.eventTypes.scrollEnd, mockFn2)
+      scroller.actions.hooks.trigger(
+        scroller.actions.hooks.eventTypes.scrollEnd,
+        { x: 0, y: -20 },
+        50
+      )
+      expect(mockFn2).toBeCalledWith({
+        x: 0,
+        y: -20,
+      })
     })
@@ -198,4 +293,9 @@ })
     jest.clearAllTimers()
+    expect(mockFn).toBeCalledTimes(1)
 
-    expect(mockFn).toBeCalled()
+    // disable scroller
+    scroller.actions.enabled = false
+    resizeEvent.initEvent('resize', true, true)
+    window.dispatchEvent(resizeEvent)
+    expect(mockFn).toBeCalledTimes(1)
   })
@@ -232,5 +332,8 @@
 
-  it('should trigger scrollToElement hook when scrollToElement method', () => {
+  it('scrollToElement()', () => {
     let scrollToElementMockHandler = jest.fn()
-    scroller.hooks.on('scrollToElement', scrollToElementMockHandler)
+    scroller.hooks.on(
+      scroller.hooks.eventTypes.scrollToElement,
+      scrollToElementMockHandler
+    )
 
@@ -252,9 +355,29 @@ scroller.refresh(scroller.content)
     scroller.scrollToElement(content, 0, false, false)
-    expect(scrollToElementMockHandler).toHaveBeenCalledWith(content, {
+    expect(scrollToElementMockHandler).toBeCalled()
+    // to a specified position
+    scroller.scrollToElement(content, 0, 0, 0)
+    expect(scrollToElementMockHandler).toHaveBeenLastCalledWith(content, {
       left: 0,
       top: 0,
     })
+
+    const mockFn2 = jest.fn()
+    scroller.hooks.on(scroller.hooks.eventTypes.scrollToElement, () => true)
+    scroller.hooks.on(scroller.hooks.eventTypes.scrollToElement, mockFn2)
+    scroller.scrollToElement(content, 0, 0, 0)
+
+    expect(mockFn2).not.toBeCalled()
   })
 
-  it('should enable or disable when call enable or disable method', () => {
+  it('scrollBy ', () => {
+    const mockFn = jest.fn()
+    scroller.hooks.on(scroller.hooks.eventTypes.scrollTo, mockFn)
+    scroller.scrollBy(20, 20)
+    expect(mockFn).toBeCalledWith({
+      x: 20,
+      y: 20,
+    })
+  })
+
+  it('enable() & disable()', () => {
     scroller.disable()
@@ -277,4 +400,5 @@ expect(scroller.actions.enabled).toBe(false)
 
-  it('should invoking refresh method', () => {
-    scroller.refresh(scroller.content)
+  it('refresh()', () => {
+    scroller.options.bindToTarget = true
+    scroller.refresh(document.createElement('p'))
 
@@ -284,5 +408,6 @@ expect(scroller.scrollBehaviorX.refresh).toBeCalled()
     expect(scroller.actions.refresh).toBeCalled()
+    expect(scroller.actionsHandler.setContent).toBeCalled()
   })
 
-  it('should invoking destroy method', () => {
+  it('destroy()', () => {
     scroller.destroy()
@@ -301,2 +426,12 @@ const keys = [
   })
+
+  it('resetPosition() ', () => {
+    const mockFn = jest.fn()
+    scroller.hooks.on(scroller.hooks.eventTypes.scrollTo, mockFn)
+    scroller.resetPosition()
+    expect(mockFn).toBeCalledWith({
+      x: 0,
+      y: 0,
+    })
+  })
 })

src/scroller/Behavior.ts

@@ -202,2 +202,3 @@ import { getRect, Direction, EventEmitter } from '@better-scroll/shared-utils'
     this.relativeOffset = contentRect[position]
+    /* istanbul ignore if  */
     if (isWrapperStatic) {
@@ -204,0 +205,0 @@ this.relativeOffset -= wrapperRect[position]

src/scroller/Scroller.ts

@@ -394,2 +394,3 @@ import ActionsHandler from '../base/ActionsHandler'
     // fix a scroll problem under Android condition
+    /* istanbul ignore if  */
     if (isAndroid) {
@@ -404,2 +405,3 @@ this.wrapper.scrollTop = 0
 
+  /* istanbul ignore next */
   private transitionEnd(e: TouchEvent) {
@@ -431,2 +433,3 @@ if (e.target !== this.content || !this.animater.pending) {
       // ignore BetterScroll instance's wrapper DOM
+      /* istanbul ignore if  */
       if (node.isBScrollContainer) {
@@ -589,2 +592,3 @@ continue
 
+    /* istanbul ignore if  */
     if (isIOSBadVersion) {
@@ -591,0 +595,0 @@ // fix ios 13.4 bouncing

src/translater/__mocks__/index.ts

 import { EventEmitter } from '@better-scroll/shared-utils'
 
-const Translater = jest.fn().mockImplementation(content => {
+const Translater = jest.fn().mockImplementation((content) => {
   return {
@@ -9,3 +9,4 @@ style: content.style,
     translate: jest.fn(),
-    destroy: jest.fn()
+    destroy: jest.fn(),
+    setContent: jest.fn(),
   }
@@ -12,0 +13,0 @@ })

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Found 1 instance in 1 package

Fixed alerts

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

376380

increased by6.31%

Number of package files

71

increased by4.41%

Lines of code

9981

increased by6.83%

Dependency changes

• Updated@better-scroll/shared-utils@^2.0.6