preact-css-transition-group/dist/preact-css-transition-group.min.js

Apply CSS transitions when adding or removing Preact components/elements.

!function(t,n){"object"==typeof exports&&"undefined"!=typeof module?module.exports=n(require("preact")):"function"==typeof define&&define.amd?define(["preact"],n):t.PreactCSSTransitionGroup=n(t.preact)}(this,function(t){"use strict";function n(t){return t.attributes&&t.attributes.key}function e(t){return t.base}function i(t){return t&&t[0]}function r(t){return t&&t.filter(function(t){return null!==t})}function o(t,n){for(var e=t.length;e--;)if(n(t[e]))return!0;return!1}function s(t,e){return o(t,function(t){return n(t)===e})}function a(t,e){return s(t,n(e))}function u(t,e,i){return o(t,function(t){return n(t)===e&&t.props[i]})}function c(t,e,i){return u(t,n(e),i)}function p(t,e){var i=[],r={},o=[];return t.forEach(function(t){var i=n(t);s(e,i)?o.length&&(r[i]=o,o=[]):o.push(t)}),e.forEach(function(t){var e=n(t);r.hasOwnProperty(e)&&(i=i.concat(r[e])),i.push(t)}),i.concat(o)}function l(t,n){if(t.classList){var e;(e=t.classList).add.apply(e,n.split(" "))}else t.className+=" "+n}function h(t,n){if(n=n.trim(),t.classList){var e;(e=t.classList).remove.apply(e,n.split(" "))}else{var i=t.className.trim(),r=T(i);for(n=v+n+v;r.indexOf(n)>=0;)r=r.replace(n,v);t.className=r.trim()}}function f(){var t=document.createElement("div"),n=t.style;"AnimationEvent"in window||delete E.animationend.animation,"TransitionEvent"in window||delete E.transitionend.transition;for(var e in E){var i=E[e];for(var r in i)if(r in n){L.push(i[r]);break}}}function m(t,n){return L.length?void L.forEach(function(e){t.addEventListener(e,n,!1)}):window.setTimeout(n,0)}function d(t,n){L.length&&L.forEach(function(e){t.removeEventListener(e,n,!1)})}var v=" ",y=/[\n\t\r]+/g,T=function(t){return(v+t+v).replace(y,v)},E={transitionend:{transition:"transitionend",WebkitTransition:"webkitTransitionEnd",MozTransition:"mozTransitionEnd",OTransition:"oTransitionEnd",msTransition:"MSTransitionEnd"},animationend:{animation:"animationend",WebkitAnimation:"webkitAnimationEnd",MozAnimation:"mozAnimationEnd",OAnimation:"oAnimationEnd",msAnimation:"MSAnimationEnd"}},L=[];"undefined"!=typeof window&&f();var g=function(t,n){if(!(t instanceof n))throw new TypeError("Cannot call a class as a function")},w=function(t,n){if("function"!=typeof n&&null!==n)throw new TypeError("Super expression must either be null or a function, not "+typeof n);t.prototype=Object.create(n&&n.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),n&&(Object.setPrototypeOf?Object.setPrototypeOf(t,n):t.__proto__=n)},b=function(t,n){var e={};for(var i in t)n.indexOf(i)>=0||Object.prototype.hasOwnProperty.call(t,i)&&(e[i]=t[i]);return e},k=function(t,n){if(!t)throw new ReferenceError("this hasn't been initialised - 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