akkoma/priv/static/packs/extra_polyfills-1caed55b56bce0471b41.js

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2017-11-12 06:23:05 -07:00
webpackJsonp([1],{750:function(t,e,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var i=n(863),r=(n.n(i),n(864)),o=(n.n(r),n(865));n.n(o)()()},863:function(t,e){!function(t,e){"use strict";function n(t){this.time=t.time,this.target=t.target,this.rootBounds=t.rootBounds,this.boundingClientRect=t.boundingClientRect,this.intersectionRect=t.intersectionRect||l(),this.isIntersecting=!!t.intersectionRect;var e=this.boundingClientRect,n=e.width*e.height,i=this.intersectionRect,r=i.width*i.height;this.intersectionRatio=n?r/n:this.isIntersecting?1:0}function i(t,e){var n=e||{};if("function"!=typeof t)throw new Error("callback must be a function");if(n.root&&1!=n.root.nodeType)throw new Error("root must be an Element");this._checkForIntersections=o(this._checkForIntersections.bind(this),this.THROTTLE_TIMEOUT),this._callback=t,this._observationTargets=[],this._queuedEntries=[],this._rootMarginValues=this._parseRootMargin(n.rootMargin),this.thresholds=this._initThresholds(n.threshold),this.root=n.root||null,this.rootMargin=this._rootMarginValues.map(function(t){return t.value+t.unit}).join(" ")}function r(){return t.performance&&performance.now&&performance.now()}function o(t,e){var n=null;return function(){n||(n=setTimeout(function(){t(),n=null},e))}}function s(t,e,n,i){"function"==typeof t.addEventListener?t.addEventListener(e,n,i||!1):"function"==typeof t.attachEvent&&t.attachEvent("on"+e,n)}function c(t,e,n,i){"function"==typeof t.removeEventListener?t.removeEventListener(e,n,i||!1):"function"==typeof t.detatchEvent&&t.detatchEvent("on"+e,n)}function u(t,e){var n=Math.max(t.top,e.top),i=Math.min(t.bottom,e.bottom),r=Math.max(t.left,e.left),o=Math.min(t.right,e.right),s=o-r,c=i-n;return s>=0&&c>=0&&{top:n,bottom:i,left:r,right:o,width:s,height:c}}function a(t){var e;try{e=t.getBoundingClientRect()}catch(t){}return e?(e.width&&e.height||(e={top:e.top,right:e.right,bottom:e.bottom,left:e.left,width:e.right-e.left,height:e.bottom-e.top}),e):l()}function l(){return{top:0,bottom:0,left:0,right:0,width:0,height:0}}function h(t,e){for(var n=e;n;){if(n==t)return!0;n=f(n)}return!1}function f(t){var e=t.parentNode;return e&&11==e.nodeType&&e.host?e.host:e}if("IntersectionObserver"in t&&"IntersectionObserverEntry"in t&&"intersectionRatio"in t.IntersectionObserverEntry.prototype)return void("isIntersecting"in t.IntersectionObserverEntry.prototype||Object.defineProperty(t.IntersectionObserverEntry.prototype,"isIntersecting",{get:function(){return this.intersectionRatio>0}}));var d=[];i.prototype.THROTTLE_TIMEOUT=100,i.prototype.POLL_INTERVAL=null,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",n=e.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 n[1]=n[1]||n[0],n[2]=n[2]||n[0],n[3]=n[3]||n[1],n},i.prototype._monitorIntersections=function(){this._monitoringIntersections||(this._monitoringIntersections=!0,this.POLL_INTERVAL?this._monitoringInterval=setInterval(this._checkForIntersections,this.
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