https://www.hr2.de/assets_4.48.0/js//feature/tickerStickymenuscroll.bundle.js

1/*! For license information please see tickerStickymenuscroll.bundle.js.LICENSE.txt */
2"use strict";(self.webpackChunkhessenschau=self.webpackChunkhessenschau||[]).push([["/feature/tickerStickymenuscroll"],{5552:function(t,e,i){i.r(e),i.d(e,{default:function(){return s}});const n=(()=>{const t=".stickySidebar",e={topSpacing:0,bottomSpacing:0,containerSelector:!1,innerWrapperSelector:".inner-wrapper-sticky",stickyClass:"is-affixed",resizeSensor:!0,minWidth:!1};class i{constructor(t,n={}){if(this.options=i.extend(e,n),this.sidebar="string"==typeof t?document.querySelector(t):t,void 0===this.sidebar)throw new Error("There is no specific sidebar element.");this.sidebarInner=!1,this.container=this.sidebar.parentElement,this.affixedType="STATIC",this.direction="down",this.support={transform:!1,transform3d:!1},this._initialized=!1,this._reStyle=!1,this._breakpoint=!1,this._resizeListeners=[],this.dimensions={translateY:0,topSpacing:0,lastTopSpacing:0,bottomSpacing:0,lastBottomSpacing:0,sidebarHeight:0,sidebarWidth:0,containerTop:0,containerHeight:0,viewportHeight:0,viewportTop:0,lastViewportTop:0},["handleEvent"].forEach((t=>{this[t]=this[t].bind(this)})),this.initialize()}initialize(){if(this._setSupportFeatures(),this.options.innerWrapperSelector&&(this.sidebarInner=this.sidebar.querySelector(this.options.innerWrapperSelector),null===this.sidebarInner&&(this.sidebarInner=!1)),!this.sidebarInner){let t=document.createElement("div");for(t.setAttribute("class","inner-wrapper-sticky"),this.sidebar.appendChild(t);this.sidebar.firstChild!=t;)t.appendChild(this.sidebar.firstChild);this.sidebarInner=this.sidebar.querySelector(".inner-wrapper-sticky")}if(this.options.containerSelector){let t=document.querySelectorAll(this.options.containerSelector);if(t=Array.prototype.slice.call(t),t.forEach(((t,e)=>{t.contains(this.sidebar)&&(this.container=t)})),!t.length)throw new Error("The container does not contains on the sidebar.")}"function"!=typeof this.options.topSpacing&&(this.options.topSpacing=parseInt(this.options.topSpacing)||0),"function"!=typeof this.options.bottomSpacing&&(this.options.bottomSpacing=parseInt(this.options.bottomSpacing)||0),this._widthBreakpoint(),this.calcDimensions(),this.stickyPosition(),this.bindEvents(),this._initialized=!0}bindEvents(){window.addEventListener("resize",this,{passive:!0,capture:!1}),window.addEventListener("scroll",this,{passive:!0,capture:!1}),this.sidebar.addEventListener("update"+t,this),this.options.resizeSensor&&"undefined"!=typeof ResizeSensor&&(new ResizeSensor(this.sidebarInner,this.handleEvent),new ResizeSensor(this.container,this.handleEvent))}handleEvent(t){this.updateSticky(t)}calcDimensions(){if(!this._breakpoint){var t=this.dimensions;t.containerTop=i.offsetRelative(this.container).top,t.containerHeight=this.container.clientHeight,t.containerBottom=t.containerTop+t.containerHeight,t.sidebarHeight=this.sidebarInner.offsetHeight,t.sidebarWidth=this.sidebar.offsetWidth,t.viewportHeight=window.innerHeight,this._calcDimensionsWithScroll()}}_calcDimensionsWithScroll(){var t=this.dimensions;t.sidebarLeft=i.offsetRelative(this.sidebar).left,t.viewportTop=document.documentElement.scrollTop||document.body.scrollTop,t.viewportBottom=t.viewportTop+t.viewportHeight,t.viewportLeft=document.documentElement.scrollLeft||document.body.scrollLeft,t.topSpacing=this.options.topSpacing,t.bottomSpacing=this.options.bottomSpacing,"function"==typeof t.topSpacing&&(t.topSpacing=parseInt(t.topSpacing(this.sidebar))||0),"function"==typeof t.bottomSpacing&&(t.bottomSpacing=parseInt(t.bottomSpacing(this.sidebar))||0),"VIEWPORT-TOP"===this.affixedType?t.topSpacing<t.lastTopSpacing&&(t.translateY+=t.lastTopSpacing-t.topSpacing,this._reStyle=!0):"VIEWPORT-BOTTOM"===this.affixedType&&t.bottomSpacing<t.lastBottomSpacing&&(t.translateY+=t.lastBottomSpacing-t.bottomSpacing,this._reStyle=!0),t.lastTopSpacing=t.topSpacing,t.lastBottomSpacing=t.bottomSpacing}isSidebarFitsViewport(){return this.dimensions.sidebarHeight<this.dimensions.viewportHeight}observeScrollDir(){var t=this.dimensions;if(t.lastViewportTop!==t.viewportTop){var e="down"===this.direction?Math.min:Math.max;t.viewportTop===e(t.viewportTop,t.lastViewportTop)&&(this.direction="down"===this.direction?"up":"down")}}

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