/*! * perfect-scrollbar v1.5.3 * Copyright 2021 Hyunje Jun, MDBootstrap and Contributors * Licensed under MIT */(function(a,b){"object"==typeof exports&&"undefined"!=typeof module?module.exports=b():"function"==typeof define&&define.amd?define(b):(a=a||self,a.PerfectScrollbar=b())})(this,function(){'use strict';var u=Math.abs,v=Math.floor;function a(a){return getComputedStyle(a)}function b(a,b){for(var c in b){var d=b[c];"number"==typeof d&&(d+="px"),a.style[c]=d}return a}function c(a){var b=document.createElement("div");return b.className=a,b}function d(a,b){if(!w)throw new Error("No element matching method supported");return w.call(a,b)}function e(a){a.remove?a.remove():a.parentNode&&a.parentNode.removeChild(a)}function f(a,b){return Array.prototype.filter.call(a.children,function(a){return d(a,b)})}function g(a,b){var c=a.element.classList,d=z.state.scrolling(b);c.contains(d)?clearTimeout(A[b]):c.add(d)}function h(a,b){A[b]=setTimeout(function(){return a.isAlive&&a.element.classList.remove(z.state.scrolling(b))},a.settings.scrollingThreshold)}function j(a,b){g(a,b),h(a,b)}function k(a){if("function"==typeof window.CustomEvent)return new CustomEvent(a);var b=document.createEvent("CustomEvent");return b.initCustomEvent(a,!1,!1,void 0),b}function l(a,b,c,d,e){void 0===d&&(d=!0),void 0===e&&(e=!1);var f;if("top"===b)f=["contentHeight","containerHeight","scrollTop","y","up","down"];else if("left"===b)f=["contentWidth","containerWidth","scrollLeft","x","left","right"];else throw new Error("A proper axis should be provided");m(a,c,f,d,e)}function m(a,b,c,d,e){var f=c[0],g=c[1],h=c[2],i=c[3],l=c[4],m=c[5];void 0===d&&(d=!0),void 0===e&&(e=!1);var n=a.element;// reset reach a.reach[i]=null,1>n[h]&&(a.reach[i]="start"),n[h]>a[f]-a[g]-1&&(a.reach[i]="end"),b&&(n.dispatchEvent(k("ps-scroll-"+i)),0>b?n.dispatchEvent(k("ps-scroll-"+l)):0=a.railXWidth-a.scrollbarXWidth&&(a.scrollbarXLeft=a.railXWidth-a.scrollbarXWidth),a.scrollbarYTop>=a.railYHeight-a.scrollbarYHeight&&(a.scrollbarYTop=a.railYHeight-a.scrollbarYHeight),s(c,a),a.scrollbarXActive?c.classList.add(z.state.active("x")):(c.classList.remove(z.state.active("x")),a.scrollbarXWidth=0,a.scrollbarXLeft=0,c.scrollLeft=!0===a.isRtl?a.contentWidth:0),a.scrollbarYActive?c.classList.add(z.state.active("y")):(c.classList.remove(z.state.active("y")),a.scrollbarYHeight=0,a.scrollbarYTop=0,c.scrollTop=0)}function r(a,b){var c=Math.min,d=Math.max;return a.settings.minScrollbarLength&&(b=d(b,a.settings.minScrollbarLength)),a.settings.maxScrollbarLength&&(b=c(b,a.settings.maxScrollbarLength)),b}function s(a,c){var d={width:c.railXWidth},e=v(a.scrollTop);d.left=c.isRtl?c.negativeScrollAdjustment+a.scrollLeft+c.containerWidth-c.contentWidth:a.scrollLeft,c.isScrollbarXUsingBottom?d.bottom=c.scrollbarXBottom-e:d.top=c.scrollbarXTop+e,b(c.scrollbarXRail,d);var f={top:e,height:c.railYHeight};c.isScrollbarYUsingRight?c.isRtl?f.right=c.contentWidth-(c.negativeScrollAdjustment+a.scrollLeft)-c.scrollbarYRight-c.scrollbarYOuterWidth-9:f.right=c.scrollbarYRight-a.scrollLeft:c.isRtl?f.left=c.negativeScrollAdjustment+a.scrollLeft+2*c.containerWidth-c.contentWidth-c.scrollbarYLeft-c.scrollbarYOuterWidth:f.left=c.scrollbarYLeft+a.scrollLeft,b(c.scrollbarYRail,f),b(c.scrollbarX,{left:c.scrollbarXLeft,width:c.scrollbarXWidth-c.railBorderXWidth}),b(c.scrollbarY,{top:c.scrollbarYTop,height:c.scrollbarYHeight-c.railBorderYWidth})}function t(a,b){function c(b){b.touches&&b.touches[0]&&(b[k]=b.touches[0].pageY),s[o]=t+v*(b[k]-u),g(a,p),q(a),b.stopPropagation(),b.type.startsWith("touch")&&1a.scrollbarYTop?1:-1;a.element.scrollTop+=d*a.containerHeight,q(a),b.stopPropagation()}),a.event.bind(a.scrollbarX,"mousedown",function(a){return a.stopPropagation()}),a.event.bind(a.scrollbarXRail,"mousedown",function(b){var c=b.pageX-window.pageXOffset-a.scrollbarXRail.getBoundingClientRect().left,d=c>a.scrollbarXLeft?1:-1;a.element.scrollLeft+=d*a.containerWidth,q(a),b.stopPropagation()})},"drag-thumb":function(a){t(a,["containerWidth","contentWidth","pageX","railXWidth","scrollbarX","scrollbarXWidth","scrollLeft","x","scrollbarXRail"]),t(a,["containerHeight","contentHeight","pageY","railYHeight","scrollbarY","scrollbarYHeight","scrollTop","y","scrollbarYRail"])},keyboard:function(a){function b(b,d){var e=v(c.scrollTop);if(0===b){if(!a.scrollbarYActive)return!1;if(0===e&&0=a.contentHeight-a.containerHeight&&0>d)return!a.settings.wheelPropagation}var f=c.scrollLeft;if(0===d){if(!a.scrollbarXActive)return!1;if(0===f&&0>b||f>=a.contentWidth-a.containerWidth&&0u(a)?f||g:i||j,!d||!b.settings.wheelPropagation}function d(a){var b=a.deltaX,c=-1*a.deltaY;return("undefined"==typeof b||"undefined"==typeof c)&&(b=-1*a.wheelDeltaX/6,c=a.wheelDeltaY/6),a.deltaMode&&1===a.deltaMode&&(b*=10,c*=10),b!==b&&c!==c/* NaN checks */&&(b=0,c=a.wheelDelta),a.shiftKey?[-c,-b]:[b,c]}function f(b,c,d){// FIXME: this is a workaround for