/*!
 * Sakura.js 1.1.1
 * Vanilla JS version of jQuery-Sakura: Make it rain sakura petals.
 * https://github.com/jhammann/sakura
 *
 * Copyright 2019-2022 Jeroen Hammann
 *
 * Released under the MIT License
 *
 * Released on: March 4, 2022
 */
"use strict";function _slicedToArray(t,e){return _arrayWithHoles(t)||_iterableToArrayLimit(t,e)||_unsupportedIterableToArray(t,e)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _iterableToArrayLimit(t,e){var r=null==t?null:"undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(null!=r){var n,a,o=[],i=!0,l=!1;try{for(r=r.call(t);!(i=(n=r.next()).done)&&(o.push(n.value),!e||o.length!==e);i=!0);}catch(t){l=!0,a=t}finally{try{i||null==r.return||r.return()}finally{if(l)throw a}}return o}}function _arrayWithHoles(t){if(Array.isArray(t))return t}function _createForOfIteratorHelper(t,e){var r,n="undefined"!=typeof Symbol&&t[Symbol.iterator]||t["@@iterator"];if(!n){if(Array.isArray(t)||(n=_unsupportedIterableToArray(t))||e&&t&&"number"==typeof t.length)return n&&(t=n),r=0,{s:e=function(){},n:function(){return r>=t.length?{done:!0}:{done:!1,value:t[r++]}},e:function(t){throw t},f:e};throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var a,o=!0,i=!1;return{s:function(){n=n.call(t)},n:function(){var t=n.next();return o=t.done,t},e:function(t){i=!0,a=t},f:function(){try{o||null==n.return||n.return()}finally{if(i)throw a}}}}function _unsupportedIterableToArray(t,e){if(t){if("string"==typeof t)return _arrayLikeToArray(t,e);var r=Object.prototype.toString.call(t).slice(8,-1);return"Map"===(r="Object"===r&&t.constructor?t.constructor.name:r)||"Set"===r?Array.from(t):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?_arrayLikeToArray(t,e):void 0}}function _arrayLikeToArray(t,e){(null==e||e>t.length)&&(e=t.length);for(var r=0,n=new Array(e);r<e;r++)n[r]=t[r];return n}var Sakura=function(t,e){var u=this;if(void 0===t)throw new Error("No selector present. Define an element.");this.el=document.querySelector(t);var r,n;function o(t){return t[Math.floor(Math.random()*t.length)]}function i(t,e){return Math.floor(Math.random()*(e-t+1))+t}this.settings=(r={className:"sakura",fallSpeed:1,maxSize:14,minSize:10,delay:300,colors:[{gradientColorStart:"rgba(255, 183, 197, 0.9)",gradientColorEnd:"rgba(255, 197, 208, 0.9)",gradientColorDegree:120}],lifeTime:0},n=e,Object.keys(r).forEach(function(t){n&&Object.prototype.hasOwnProperty.call(n,t)&&(r[t]=n[t])}),r),this.petalsWeak=new Map,setInterval(function(){if(u.settings.lifeTime){var t,e=[],r=Date.now(),n=_createForOfIteratorHelper(u.petalsWeak);try{for(n.s();!(t=n.n()).done;){var a=_slicedToArray(t.value,2),o=a[0],i=a[1];o+u.settings.lifeTime<r&&(e.push(o),i.remove())}}catch(t){n.e(t)}finally{n.f()}for(var l=0,s=e;l<s.length;l++){var c=s[l];u.petalsWeak.delete(c)}}},1e3),this.el.style.overflowX="hidden";var l=["webkit","moz","MS","o",""];function s(t,e,r){for(var n=0;n<l.length;n+=1){var a=e;l[n]||(a=e.toLowerCase()),t.addEventListener(l[n]+a,r,!1)}}function c(t){t=t.getBoundingClientRect();return 0<=t.top&&0<=t.left&&t.bottom<=(window.innerHeight||document.documentElement.clientHeight)&&t.right<=(window.innerWidth||document.documentElement.clientWidth)}this.createPetal=function(){u.el.dataset.sakuraAnimId&&setTimeout(function(){window.requestAnimationFrame(u.createPetal)},u.settings.delay);var t=["sway-0","sway-1","sway-2","sway-3","sway-4","sway-5","sway-6","sway-7","sway-8"],e=o(["blow-soft-left","blow-medium-left","blow-soft-right","blow-medium-right"]),t=o(t),r=(.007*document.documentElement.clientHeight+Math.round(5*Math.random()))*u.settings.fallSpeed,e=["fall ".concat(r,"s linear 0s 1"),"".concat(e," ").concat((30<r?r:30)-20+i(0,20),"s linear 0s infinite"),"".concat(t," ").concat(i(2,4),"s linear 0s infinite")].join(", "),n=document.createElement("div"),r=(n.classList.add(u.settings.className),i(u.settings.minSize,u.settings.maxSize)),t=r-Math.floor(i(0,u.settings.minSize)/3),a=o(u.settings.colors);n.style.background="linear-gradient(".concat(a.gradientColorDegree,"deg, ").concat(a.gradientColorStart,", ").concat(a.gradientColorEnd,")"),n.style.webkitAnimation=e,n.style.animation=e,n.style.borderRadius="".concat(i(u.settings.maxSize,u.settings.maxSize+Math.floor(10*Math.random())),"px ").concat(i(1,Math.floor(t/4)),"px"),n.style.height="".concat(r,"px"),n.style.left="".concat(Math.random()*document.documentElement.clientWidth-100,"px"),n.style.marginTop="".concat(-(Math.floor(20*Math.random())+15),"px"),n.style.width="".concat(t,"px"),s(n,"AnimationEnd",function(){c(n)||n.remove()}),s(n,"AnimationIteration",function(){c(n)||n.remove()}),u.petalsWeak.set(Date.now(),n),u.el.appendChild(n)},this.el.setAttribute("data-sakura-anim-id",window.requestAnimationFrame(this.createPetal))};Sakura.prototype.start=function(){if(this.el.dataset.sakuraAnimId)throw new Error("Sakura is already running.");this.el.setAttribute("data-sakura-anim-id",window.requestAnimationFrame(this.createPetal))},Sakura.prototype.stop=function(){var e=this,t=0<arguments.length&&void 0!==arguments[0]&&arguments[0],r=this.el.dataset.sakuraAnimId;r&&(window.cancelAnimationFrame(r),this.el.setAttribute("data-sakura-anim-id","")),t||setTimeout(function(){for(var t=document.getElementsByClassName(e.settings.className);0<t.length;)t[0].parentNode.removeChild(t[0])},this.settings.delay+50)};