akkoma/priv/static/packs/extra_polyfills.js

/*! For license information please see extra_polyfills.js.LICENSE.txt */
(window.webpackJsonp=window.webpackJsonp||[]).push([[14],{1133:function(t,e){!function(){"use strict";if("object"==typeof window)if("IntersectionObserver"in window&&"IntersectionObserverEntry"in window&&"intersectionRatio"in window.IntersectionObserverEntry.prototype)"isIntersecting"in window.IntersectionObserverEntry.prototype||Object.defineProperty(window.IntersectionObserverEntry.prototype,"isIntersecting",{get:function(){return this.intersectionRatio>0}});else{var t=window.document,e=[];i.prototype.THROTTLE_TIMEOUT=100,i.prototype.POLL_INTERVAL=null,i.prototype.USE_MUTATION_OBSERVER=!0,i.prototype.observe=function(t){if(!this._observationTargets.some((function(e){return e.element==t}))){if(!t||1!=t.nodeType)throw new Error("target must be an Element");this._registerInstance(),this._observationTargets.push({element:t,entry:null}),this._monitorIntersections(),this._checkForIntersections()}},i.prototype.unobserve=function(t){this._observationTargets=this._observationTargets.filter((function(e){return e.element!=t})),this._observationTargets.length||(this._unmonitorIntersections(),this._unregisterInstance())},i.prototype.disconnect=function(){this._observationTargets=[],this._unmonitorIntersections(),this._unregisterInstance()},i.prototype.takeRecords=function(){var t=this._queuedEntries.slice();return this._queuedEntries=[],t},i.prototype._initThresholds=function(t){var e=t||[0];return Array.isArray(e)||(e=[e]),e.sort().filter((function(t,e,n){if("number"!=typeof t||isNaN(t)||t<0||t>1)throw new Error("threshold must be a number between 0 and 1 inclusively");return t!==n[e-1]}))},i.prototype._parseRootMargin=function(t){var e=(t||"0px").split(/\s+/).map((function(t){var e=/^(-?\d*\.?\d+)(px|%)$/.exec(t);if(!e)throw new Error("rootMargin must be specified in pixels or percent");return{value:parseFloat(e[1]),unit:e[2]}}));return e[1]=e[1]||e[0],e[2]=e[2]||e[0],e[3]=e[3]||e[1],e},i.prototype._monitorIntersections=function(){this._monitoringIntersections||(this._monitoringIntersections=!0,this.POLL_INTERVAL?this._monitoringInterval=setInterval(this._checkForIntersections,this.POLL_INTERVAL):(o(window,"resize",this._checkForIntersections,!0),o(t,"scroll",this._checkForIntersections,!0),this.USE_MUTATION_OBSERVER&&"MutationObserver"in window&&(this._domObserver=new MutationObserver(this._checkForIntersections),this._domObserver.observe(t,{attributes:!0,childList:!0,characterData:!0,subtree:!0}))))},i.prototype._unmonitorIntersections=function(){this._monitoringIntersections&&(this._monitoringIntersections=!1,clearInterval(this._monitoringInterval),this._monitoringInterval=null,r(window,"resize",this._checkForIntersections,!0),r(t,"scroll",this._checkForIntersections,!0),this._domObserver&&(this._domObserver.disconnect(),this._domObserver=null))},i.prototype._checkForIntersections=function(){var t=this._rootIsInDom(),e=t?this._getRootRect():{top:0,bottom:0,left:0,right:0,width:0,height:0};this._observationTargets.forEach((function(i){var o=i.element,r=s(o),c=this._rootContainsTarget(o),a=i.entry,u=t&&c&&this._computeTargetAndRootIntersection(o,e),l=i.entry=new n({time:window.performance&&performance.now&&performance.now(),target:o,boundingClientRect:r,rootBounds:e,intersectionRect:u});a?t&&c?this._hasCrossedThreshold(a,l)&&this._queuedEntries.push(l):a&&a.isIntersecting&&this._queuedEntries.push(l):this._queuedEntries.push(l)}),this),this._queuedEntries.length&&this._callback(this.takeRecords(),this)},i.prototype._computeTargetAndRootIntersection=function(e,n){if("none"!=window.getComputedStyle(e).display){for(var i,o,r,c,u,l,h,d,f=s(e),g=a(e),p=!1;!p;){var m=null,b=1==g.nodeType?window.getComputedStyle(g):{};if("none"==b.display)return;if(g==this.root||g==t?(p=!0,m=n):g!=t.body&&g!=t.documentElement&&"visible"!=b.overflow&&(m=s(g)),m&&(i=m,o=f,r=void 0,c=void 0,u=void 0,l=void 0,h=void 0,d=void 0,r=Math.max(i.top,o.top),c=Math.min(i.bottom,o.bottom),u=Math.max(i.left,o.left),l=Math.min(i.right,o.right),d=c-r,!(f=(h=l-u)>=0&&d>=0&&{top:r,bottom:c,left:u,right:l,width:h,height:d})))break;g=a(g)}return f}},i.prototype._getRootRe
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