!function(e,t){var n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};"object"===("undefined"==typeof exports?"undefined":n(exports))?module.exports=t():"function"==typeof define&&define.amd?define(function(){return t()}):e.datepicker=t()}(this,function(){"use strict";function e(e,o){var a=e.split?document.querySelector(e):e;o=t(o||n(),a,e);var s=a.parentElement,i=document.createElement("div"),c=o,u=c.startDate,d=c.dateSelected,f=a===document.body||a===document.querySelector("html"),p={el:a,parent:s,nonInput:"INPUT"!==a.nodeName,noPosition:f,position:!f&&o.position,startDate:u,dateSelected:d,minDate:o.minDate,maxDate:o.maxDate,noWeekends:!!o.noWeekends,calendar:i,currentMonth:(u||d).getMonth(),currentMonthName:(o.months||g)[(u||d).getMonth()],currentYear:(u||d).getFullYear(),setDate:h,remove:v,onSelect:o.onSelect,onShow:o.onShow,onHide:o.onHide,onMonthChange:o.onMonthChange,formatter:o.formatter,months:o.months||g,days:o.days||S,overlayPlaceholder:o.overlayPlaceholder||"4-digit year",overlayButton:o.overlayButton||"Submit",disableMobile:o.disableMobile,isMobile:"ontouchstart"in window};return d&&l(a,p),i.classList.add("qs-datepicker"),i.classList.add("qs-hidden"),w.push(a),r(u||d,p),b.forEach(function(e){window.addEventListener(e,q.bind(p))}),"static"===getComputedStyle(s).position&&(s.style.position="relative"),s.appendChild(i),p}function t(e,t){if(w.includes(t))throw new Error("A datepicker already exists on that element.");var n=e.position,r=e.maxDate,a=e.minDate,s=e.dateSelected,i=e.formatter,c=e.customMonths,l=e.customDays,u=e.overlayPlaceholder,d=e.overlayButton;if(n){if(!["tr","tl","br","bl"].some(function(e){return n===e}))throw new Error('"options.position" must be one of the following: tl, tr, bl, or br.');e.position=o(n)}else e.position=o("bl");if(["startDate","dateSelected","minDate","maxDate"].forEach(function(t){if(e[t]){if(!f(e[t])||isNaN(+e[t]))throw new TypeError('"options.'+t+'" needs to be a valid JavaScript Date object.');e[t]=p(e[t])}}),e.startDate=e.startDate||e.dateSelected||p(new Date),e.formatter="function"==typeof i?i:null,r<a)throw new Error('"maxDate" in options is less than "minDate".');if(s){if(a>s)throw new Error('"dateSelected" in options is less than "minDate".');if(r<s)throw new Error('"dateSelected" in options is greater than "maxDate".')}return["onSelect","onShow","onHide","onMonthChange"].forEach(function(t){e[t]="function"==typeof e[t]&&e[t]}),[c,l].forEach(function(t,n){if(t){var o=['"customMonths" must be an array with 12 strings.','"customDays" must be an array with 7 strings.'];if(["[object Array]"!=={}.toString.call(t),t.length!==(n?7:12),t.some(function(e){return!e.split})].some(function(e){return e}))throw new Error(o[n]);e[n?"days":"months"]=t}}),[u,d].forEach(function(t,n){t&&t.split&&(n?e.overlayButton=t:e.overlayPlaceholder=t)}),e}function n(){return{startDate:p(new Date),position:"bl"}}function o(e){var t={};return t[D[e[0]]]=1,t[D[e[1]]]=1,t}function r(e,t){var n=a(e,t),o=s(e,t),r=i(t);t.calendar.innerHTML=n+o+r}function a(e,t){return'\n      <div class="qs-controls">\n        <div class="qs-arrow qs-left"></div>\n        <div class="qs-month-year">\n          <span class="qs-month">'+t.months[e.getMonth()]+'</span>\n          <span class="qs-year">'+e.getFullYear()+'</span>\n        </div>\n        <div class="qs-arrow qs-right"></div>\n      </div>\n    '}function s(e,t){var n=t.minDate,o=t.maxDate,r=t.dateSelected,a=t.currentYear,s=t.currentMonth,i=t.noWeekends,c=t.days,l=new Date,u=l.toJSON().slice(0,7)===e.toJSON().slice(0,7),d=new Date(new Date(e).setDate(1)),h=d.getDay();d.setMonth(d.getMonth()+1),d.setDate(0);var f=d.getDate(),p=[],v=7*((h+f)/7|0);v+=(h+f)%7?7:0;for(var y=1;y<=v;y++){var m=c[(y-1)%7],q=y-h,w="",b='<span class="qs-num">'+q+"</span>",S=new Date(a,s,q),g=q<1||q>f;if(g)w="qs-empty",b="";else{var D=n&&S<n||o&&S>o,M=c[6],E=c[0],L=m===M||m===E,N=u&&!D&&q===l.getDate();D=D||i&&L,w=D?"qs-disabled":N?"qs-current":""}+S!=+r||g||(w+=" qs-active"),p.push('<div class="qs-square qs-num '+m+" "+w+'">'+b+"</div>")}var x=c.map(function(e){return'<div class="qs-square qs-day">'+e+"</div>"}).concat(p);if(x.length%7!=0){throw new Error("Calendar not constructed properly. The # of squares should be a multiple of 7.")}return x.unshift('<div class="qs-squares">'),x.push("</div>"),x.join("")}function i(e){return'\n      <div class="qs-overlay qs-hidden">\n        <div class="qs-close">&#10005;</div>\n        <input type="number" class="qs-overlay-year" placeholder="'+e.overlayPlaceholder+'" />\n        <div class="qs-submit qs-disabled">'+e.overlayButton+"</div>\n      </div>\n    "}function c(e,t){var n=t.currentMonth,o=t.currentYear,r=t.calendar,a=t.el,s=t.onSelect,i=r.querySelector(".qs-active"),c=e.textContent;t.dateSelected=new Date(o,n,c),i&&i.classList.remove("qs-active"),e.classList.add("qs-active"),l(a,t),y(t),s&&s(t)}function l(e,t){if(!t.nonInput)return t.formatter?t.formatter(e,t.dateSelected):void(e.value=t.dateSelected.toDateString())}function u(e,t,n){n?t.currentYear=n:(t.currentMonth+=e.contains("qs-right")?1:-1,12===t.currentMonth?(t.currentMonth=0,t.currentYear++):-1===t.currentMonth&&(t.currentMonth=11,t.currentYear--)),r(new Date(t.currentYear,t.currentMonth,1),t),t.currentMonthName=t.months[t.currentMonth],t.onMonthChange&&n&&t.onMonthChange(t)}function d(e){if(!e.noPosition){var t=e.el,n=e.calendar,o=e.position,r=e.parent,a=o.top,s=o.right,i=r.getBoundingClientRect(),c=t.getBoundingClientRect(),l=n.getBoundingClientRect(),u=c.top-i.top+r.scrollTop,d="\n      top:"+(u-(a?l.height:-1*c.height))+"px;\n      left:"+(c.left-i.left+(s?c.width-l.width:0))+"px;\n    ";n.setAttribute("style",d)}}function h(e){if(!f(e))throw new TypeError("`setDate` needs a JavaScript Date object.");e=p(e),this.currentYear=e.getFullYear(),this.currentMonth=e.getMonth(),this.currentMonthName=this.months[e.getMonth()],this.dateSelected=e,l(this.el,this),r(e,this)}function f(e){return"[object Date]"==={}.toString.call(e)}function p(e){return new Date(e.toDateString())}function v(){var e=this.calendar,t=this.parent,n=this.el;b.forEach(function(e){window.removeEventListener(e,q)}),e.remove(),e.hasOwnProperty("parentStyle")&&(t.style.position=""),w=w.filter(function(e){return e!==n})}function y(e){e.calendar.classList.add("qs-hidden"),e.onHide&&e.onHide(e)}function m(e){e.calendar.classList.remove("qs-hidden"),d(e),e.onShow&&e.onShow(e)}function q(e){function t(t){var r=t.calendar,a=l.classList,s=r.querySelector(".qs-month-year"),d=a.contains("qs-close");if(a.contains("qs-num")){var h="SPAN"===l.nodeName?l.parentNode:l;!["qs-disabled","qs-active","qs-empty"].some(function(e){return h.classList.contains(e)})&&c(h,t)}else if(a.contains("qs-arrow"))u(a,t);else if(i.includes(s)||d)n(r,d,t);else if(l.classList.contains("qs-submit")){var f=r.querySelector(".qs-overlay-year");o(e,f,t)}}function n(e,t,n){[".qs-overlay",".qs-controls",".qs-squares"].forEach(function(t,n){e.querySelector(t).classList.toggle(n?"qs-blur":"qs-hidden")});var o=e.querySelector(".qs-overlay-year");t?o.value="":o.focus()}function o(e,t,n){var o=isNaN((new Date).setFullYear(t.value||void 0));if(13===e.which||"click"===e.type){if(o||t.classList.contains("qs-disabled"))return;u(null,n,t.value)}else{n.calendar.querySelector(".qs-submit").classList[o?"add":"remove"]("qs-disabled")}}if(!this.isMobile||!this.disableMobile){if(!e.path){for(var r=e.target,a=[];r!==document;)a.push(r),r=r.parentNode;e.path=a}var s=e.type,i=e.path,l=e.target,d=this.calendar,h=this.el,f=d.classList,p=f.contains("qs-hidden"),v=i.includes(d);if("keydown"===s){var q=d.querySelector(".qs-overlay");if(13===e.which&&!q.classList.contains("qs-hidden"))return e.stopPropagation(),o(e,l,this);if(27===e.which)return n(d,!0,this);if(9!==e.which)return}if("focusin"===s)return l===h&&m(this);this.noPosition?v?t(this):p?m(this):y(this):p?l===h&&m(this):"click"===s&&v?t(this):"input"===s?o(e,l,this):l!==h&&y(this)}}Array.prototype.includes||(Array.prototype.includes=function(e){var t=!1;return this.forEach(function(n){n===e&&(t=!0)}),t});var w=[],b=["click","focusin","keydown","input"],S=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"],g=["January","February","March","April","May","June","July","August","September","October","November","December"],D={t:"top",r:"right",b:"bottom",l:"left"};return e});