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Viewing / Editing File: resizesensor.js

/**
 * ResizeSensor.js
 * Copyright Marc J. Schmidt. See the LICENSE file at the top-level
 * directory of this distribution and at
 * https://github.com/marcj/css-element-queries/blob/master/LICENSE.
 */
"use strict";!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():e.ResizeSensor=t()}("undefined"!=typeof window?window:this,function(){if("undefined"==typeof window)return null;var e=window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||function(e){return window.setTimeout(e,20)};function t(e,t){var i=Object.prototype.toString.call(e),n="[object Array]"===i||"[object NodeList]"===i||"[object HTMLCollection]"===i||"[object Object]"===i||"undefined"!=typeof jQuery&&e instanceof jQuery||"undefined"!=typeof Elements&&e instanceof Elements,o=0,s=e.length;if(n)for(;o<s;o++)t(e[o]);else t(e)}function i(e){if(!e.getBoundingClientRect)return{width:e.offsetWidth,height:e.offsetHeight};var t=e.getBoundingClientRect();return{width:Math.round(t.width),height:Math.round(t.height)}}var n=function(o,s){function r(){var e,t,i=[];this.add=function(e){i.push(e)},this.call=function(n){for(e=0,t=i.length;e<t;e++)i[e].call(this,n)},this.remove=function(n){var o=[];for(e=0,t=i.length;e<t;e++)i[e]!==n&&o.push(i[e]);i=o},this.length=function(){return i.length}}function d(t,n){if(t)if(t.resizedAttached)t.resizedAttached.add(n);else{t.resizedAttached=new r,t.resizedAttached.add(n),t.resizeSensor=document.createElement("div"),t.resizeSensor.dir="ltr",t.resizeSensor.className="resize-sensor";var o="pointer-events: none; position: absolute; left: 0px; top: 0px; right: 0; bottom: 0; overflow: hidden; z-index: -1; visibility: hidden; max-width: 100%;",s="position: absolute; left: 0; top: 0; transition: 0s;";t.resizeSensor.style.cssText=o,t.resizeSensor.innerHTML='<div class="resize-sensor-expand" style="'+o+'"><div style="'+s+'"></div></div><div class="resize-sensor-shrink" style="'+o+'"><div style="'+s+' width: 200%; height: 200%"></div></div>',t.appendChild(t.resizeSensor);var d=window.getComputedStyle(t),c=d?d.getPropertyValue("position"):null;"absolute"!==c&&"relative"!==c&&"fixed"!==c&&(t.style.position="relative");var f,h,a=t.resizeSensor.childNodes[0],l=a.childNodes[0],u=t.resizeSensor.childNodes[1],v=i(t),p=v.width,z=v.height,w=!0,g=0,y=function(){if(w){if(0===t.offsetWidth&&0===t.offsetHeight)return void(g||(g=e(function(){g=0,y()})));w=!1}var i,n;i=t.offsetWidth,n=t.offsetHeight,l.style.width=i+10+"px",l.style.height=n+10+"px",a.scrollLeft=i+10,a.scrollTop=n+10,u.scrollLeft=i+10,u.scrollTop=n+10};t.resizeSensor.resetSensor=y;var m=function(){h=0,f&&(p=v.width,z=v.height,t.resizedAttached&&t.resizedAttached.call(v))},S=function(){v=i(t),(f=v.width!==p||v.height!==z)&&!h&&(h=e(m)),y()},b=function(e,t,i){e.attachEvent?e.attachEvent("on"+t,i):e.addEventListener(t,i)};b(a,"scroll",S),b(u,"scroll",S),e(y)}}t(o,function(e){d(e,s)}),this.detach=function(e){n.detach(o,e)},this.reset=function(){o.resizeSensor.resetSensor()}};if(n.reset=function(e){t(e,function(e){e.resizeSensor.resetSensor()})},n.detach=function(e,i){t(e,function(e){e&&(e.resizedAttached&&"function"==typeof i&&(e.resizedAttached.remove(i),e.resizedAttached.length())||e.resizeSensor&&(e.contains(e.resizeSensor)&&e.removeChild(e.resizeSensor),delete e.resizeSensor,delete e.resizedAttached))})},"undefined"!=typeof MutationObserver){var o=new MutationObserver(function(e){for(var t in e)if(e.hasOwnProperty(t))for(var i=e[t].addedNodes,o=0;o<i.length;o++)i[o].resizeSensor&&n.reset(i[o])});document.addEventListener("DOMContentLoaded",function(e){o.observe(document.body,{childList:!0,subtree:!0})})}return n});

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