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+/*!
+ * This source file is part of the Swift.org open source project
+ *
+ * Copyright (c) 2021 Apple Inc. and the Swift project authors
+ * Licensed under Apache License v2.0 with Runtime Library Exception
+ *
+ * See https://swift.org/LICENSE.txt for license information
+ * See https://swift.org/CONTRIBUTORS.txt for Swift project authors
+ */
+(window["webpackJsonp"]=window["webpackJsonp"]||[]).push([["chunk-2d0d3105"],{"5abe":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=function(t){var e=t,n=i(e);while(n)e=n.ownerDocument,n=i(e);return e}(window.document),e=[],n=null,o=null;s.prototype.THROTTLE_TIMEOUT=100,s.prototype.POLL_INTERVAL=null,s.prototype.USE_MUTATION_OBSERVER=!0,s._setupCrossOriginUpdater=function(){return n||(n=function(t,n){o=t&&n?g(t,n):p(),e.forEach((function(t){t._checkForIntersections()}))}),n},s._resetCrossOriginUpdater=function(){n=null,o=null},s.prototype.observe=function(t){var e=this._observationTargets.some((function(e){return e.element==t}));if(!e){if(!t||1!=t.nodeType)throw new Error("target must be an Element");this._registerInstance(),this._observationTargets.push({element:t,entry:null}),this._monitorIntersections(t.ownerDocument),this._checkForIntersections()}},s.prototype.unobserve=function(t){this._observationTargets=this._observationTargets.filter((function(e){return e.element!=t})),this._unmonitorIntersections(t.ownerDocument),0==this._observationTargets.length&&this._unregisterInstance()},s.prototype.disconnect=function(){this._observationTargets=[],this._unmonitorAllIntersections(),this._unregisterInstance()},s.prototype.takeRecords=function(){var t=this._queuedEntries.slice();return this._queuedEntries=[],t},s.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 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i=o.element,s=f(i),u=this._rootContainsTarget(i),c=o.entry,a=t&&u&&this._computeTargetAndRootIntersection(i,s,e),l=null;this._rootContainsTarget(i)?n&&!this.root||(l=e):l=p();var d=o.entry=new r({time:h(),target:i,boundingClientRect:s,rootBounds:l,intersectionRect:a});c?t&&u?this._hasCrossedThreshold(c,d)&&this._queuedEntries.push(d):c&&c.isIntersecting&&this._queuedEntries.push(d):this._queuedEntries.push(d)}),this),this._queuedEntries.length&&this._callback(this.takeRecords(),this)}},s.prototype._computeTargetAndRootIntersection=function(e,i,r){if("none"!=window.getComputedStyle(e).display){var s=i,h=v(e),u=!1;while(!u&&h){var c=null,a=1==h.nodeType?window.getComputedStyle(h):{};if("none"==a.display)return null;if(h==this.root||9==h.nodeType)if(u=!0,h==this.root||h==t)n&&!this.root?!o||0==o.width&&0==o.height?(h=null,c=null,s=null):c=o:c=r;else{var p=v(h),d=p&&f(p),m=p&&this._computeTargetAndRootIntersection(p,d,r);d&&m?(h=p,c=g(d,m)):(h=null,s=null)}else{var 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