/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 * Portions Copyright (C) Philipp Kewisch */
class t{static fromString(e){return new t(e)}constructor(t){this.value=t}icaltype="binary";decodeValue(){return this._b64_decode(this.value)}setEncodedValue(t){this.value=this._b64_encode(t)}_b64_encode(t){let e,i,r,n,s,a,o,l,h="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",u=0,c=0,d="",m=[];if(!t)return t;do{e=t.charCodeAt(u++),i=t.charCodeAt(u++),r=t.charCodeAt(u++),l=e<<16|i<<8|r,n=l>>18&63,s=l>>12&63,a=l>>6&63,o=63&l,m[c++]=h.charAt(n)+h.charAt(s)+h.charAt(a)+h.charAt(o)}while(u<t.length);d=m.join("");let f=t.length%3;return(f?d.slice(0,f-3):d)+"===".slice(f||3)}_b64_decode(t){let e,i,r,n,s,a,o,l,h="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",u=0,c=0,d="",m=[];if(!t)return t;t+="";do{n=h.indexOf(t.charAt(u++)),s=h.indexOf(t.charAt(u++)),a=h.indexOf(t.charAt(u++)),o=h.indexOf(t.charAt(u++)),l=n<<18|s<<12|a<<6|o,e=l>>16&255,i=l>>8&255,r=255&l,m[c++]=64==a?String.fromCharCode(e):64==o?String.fromCharCode(e,i):String.fromCharCode(e,i,r)}while(u<t.length);return d=m.join(""),d}toString(){return this.value}}const e=/([PDWHMTS]{1,1})/,i=["weeks","days","hours","minutes","seconds","isNegative"];class r{static fromSeconds(t){return(new r).fromSeconds(t)}static isValueString(t){return"P"===t[0]||"P"===t[1]}static fromString(t){let i=0,s=Object.create(null),a=0;for(;-1!==(i=t.search(e));){let e=t[i],r=t.slice(0,Math.max(0,i));t=t.slice(i+1),a+=n(e,r,s)}if(a<2)throw new Error('invalid duration value: Not enough duration components in "'+t+'"');return new r(s)}static fromData(t){return new r(t)}constructor(t){this.wrappedJSObject=this,this.fromData(t)}weeks=0;days=0;hours=0;minutes=0;seconds=0;isNegative=!1;icalclass="icalduration";icaltype="duration";clone(){return 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this.isNegative&&(t+="-"),t+="P",this.weeks&&(t+=this.weeks+"W"),this.days&&(t+=this.days+"D"),(this.hours||this.minutes||this.seconds)&&(t+="T",this.hours&&(t+=this.hours+"H"),this.minutes&&(t+=this.minutes+"M"),this.seconds&&(t+=this.seconds+"S")),t}}toICALString(){return this.toString()}}function n(t,e,i){let r;switch(t){case"P":i.isNegative=!(!e||"-"!==e);break;case"D":r="days";break;case"W":r="weeks";break;case"H":r="hours";break;case"M":r="minutes";break;case"S":r="seconds";break;default:return 0}if(r){if(!e&&0!==e)throw new Error('invalid duration value: Missing number before "'+t+'"');let n=parseInt(e,10);if(f(n))throw new Error('invalid duration value: Invalid number "'+e+'" before "'+t+'"');i[r]=n}return 1}class s{static _dowCache={};static _wnCache={};static daysInMonth(t,e){let i=30;return t<1||t>12||(i=[0,31,28,31,30,31,30,31,31,30,31,30,31][t],2==t&&(i+=s.isLeapYear(e))),i}static isLeapYear(t){return t<=1752?t%4==0:t%4==0&&t%100!=0||t%400==0}static fromDayOfYear(t,e){let i=e,r=t,n=new s;n.auto_normalize=!1;let a=s.isLeapYear(i)?1:0;if(r<1)return i--,a=s.isLeapYear(i)?1:0,r+=s.daysInYearPassedMonth[a][12],s.fromDayOfYear(r,i);if(r>s.daysInYearPassedMonth[a][12])return a=s.isLeapYear(i)?1:0,r-=s.daysInYearPassedMonth[a][12],i++,s.fromDayOfYear(r,i);n.year=i,n.isDate=!0;for(let t=11;t>=0;t--)if(r>s.daysInYearPassedMonth[a][t]){n.month=t+1,n.day=r-s.daysInYearPassedMonth[a][t];break}return n.auto_normalize=!0,n}static fromStringv2(t){return new s({year:parseInt(t.slice(0,4),10),month:parseInt(t.slice(5,7),10),day:parseInt(t.slice(8,10),10),isDate:!0})}static fromDateString(t){return new s({year:p(t.slice(0,4)),month:p(t.slice(5,7)),day:p(t.slice(8,10)),isDate:!0})}static fromDateTimeString(t,e){if(t.length<19)throw new Error('invalid date-time value: "'+t+'"');let i,r;t[19]&&"Z"===t[19]?i=c.utcTimezone:e&&(r=e.getParameter("tzid"),e.parent&&("standard"===e.parent.name||"daylight"===e.parent.name?i=c.localTimezone:r&&(i=e.parent.getTimeZoneByID(r))));const n={year:p(t.slice(0,4)),month:p(t.slice(5,7)),day:p(t.slice(8,10)),hour:p(t.slice(11,13)),minute:p(t.slice(14,16)),second:p(t.slice(17,19))};return r&&!i&&(n.timezone=r),new s(n,i)}static fromString(t,e){return t.length>10?s.fromDateTimeString(t,e):s.fromDateString(t)}static fromJSDate(t,e){return(new s).fromJSDate(t,e)}static fromData=function(t,e){return(new s).fromData(t,e)};static now(){return s.fromJSDate(new Date,!1)}static weekOneStarts(t,e){let i=s.fromData({year:t,month:1,day:1,isDate:!0}),r=i.dayOfWeek(),n=e||s.DEFAULT_WEEK_START;return r>s.THURSDAY&&(i.day+=7),n>s.THURSDAY&&(i.day-=7),i.day-=r-n,i}static getDominicalLetter(t){let e="GFEDCBA",i=(t+(t/4|0)+(t/400|0)-(t/100|0)-1)%7;return s.isLeapYear(t)?e[(i+6)%7]+e[i]:e[i]}static#t=null;static get epochTime(){return this.#t||(this.#t=s.fromData({year:1970,month:1,day:1,hour:0,minute:0,second:0,isDate:!1,timezone:"Z"})),this.#t}static _cmp_attr(t,e,i){return t[i]>e[i]?1:t[i]<e[i]?-1:0}static daysInYearPassedMonth=[[0,31,59,90,120,151,181,212,243,273,304,334,365],[0,31,60,91,121,152,182,213,244,274,305,335,366]];static SUNDAY=1;static MONDAY=2;static TUESDAY=3;static WEDNESDAY=4;static THURSDAY=5;static FRIDAY=6;static SATURDAY=7;static DEFAULT_WEEK_START=2;constructor(t,e){this.wrappedJSObject=this;let i=this._time=Object.create(null);i.year=0,i.month=1,i.day=1,i.hour=0,i.minute=0,i.second=0,i.isDate=!1,this.fromData(t,e)}icalclass="icaltime";_cachedUnixTime=null;get icaltype(){return this.isDate?"date":"date-time"}zone=null;_pendingNormalization=!1;clone(){return new s(this._time,this.zone)}reset(){this.fromData(s.epochTime),this.zone=c.utcTimezone}resetTo(t,e,i,r,n,s,a){this.fromData({year:t,month:e,day:i,hour:r,minute:n,second:s,zone:a})}fromJSDate(t,e){return 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this.#i||(this.#i=c.fromData({tzid:"floating"})),this.#i}static adjust_change(t,e,i,r,n){return s.prototype.adjust.call(t,e,i,r,n,t)}static _minimumExpansionYear=-1;static EXTRA_COVERAGE=5;constructor(t){this.wrappedJSObject=this,this.fromData(t)}tzid="";location="";tznames="";latitude=0;longitude=0;component=null;expandedUntilYear=0;icalclass="icaltimezone";fromData(t){if(this.expandedUntilYear=0,this.changes=[],t instanceof yt)this.component=t;else{if(t&&"component"in t)if("string"==typeof t.component){let e=l(t.component);this.component=new yt(e)}else t.component instanceof yt?this.component=t.component:this.component=null;for(let e of u)t&&e in t&&(this[e]=t[e])}return this.component instanceof yt&&!this.tzid&&(this.tzid=this.component.getFirstPropertyValue("tzid")),this}utcOffset(t){if(this==c.utcTimezone||this==c.localTimezone)return 0;if(this._ensureCoverage(t.year),!this.changes.length)return 0;let e={year:t.year,month:t.month,day:t.day,hour:t.hour,minute:t.minute,second:t.second},i=this._findNearbyChange(e),r=-1,n=1;for(;;){let t=D(this.changes[i],!0);if(t.utcOffset<t.prevUtcOffset?c.adjust_change(t,0,0,0,t.utcOffset):c.adjust_change(t,0,0,0,t.prevUtcOffset),c._compare_change_fn(e,t)>=0?r=i:n=-1,-1==n&&-1!=r)break;if(i+=n,i<0)return 0;if(i>=this.changes.length)break}let s=this.changes[r];if(s.utcOffset-s.prevUtcOffset<0&&r>0){let t=D(s,!0);if(c.adjust_change(t,0,0,0,t.prevUtcOffset),c._compare_change_fn(e,t)<0){let t=this.changes[r-1],e=!1;s.is_daylight!=e&&t.is_daylight==e&&(s=t)}}return s.utcOffset}_findNearbyChange(t){let e=g(this.changes,t,c._compare_change_fn);return e>=this.changes.length?this.changes.length-1:e}_ensureCoverage(t){if(-1==c._minimumExpansionYear){let t=s.now();c._minimumExpansionYear=t.year}let e=t;if(e<c._minimumExpansionYear&&(e=c._minimumExpansionYear),e+=c.EXTRA_COVERAGE,!this.changes.length||this.expandedUntilYear<t){let t=this.component.getAllSubcomponents(),i=t.length,r=0;for(;r<i;r++)this._expandComponent(t[r],e,this.changes);this.changes.sort(c._compare_change_fn),this.expandedUntilYear=e}}_expandComponent(t,e,i){if(!t.hasProperty("dtstart")||!t.hasProperty("tzoffsetto")||!t.hasProperty("tzoffsetfrom"))return null;let r,n=t.getFirstProperty("dtstart").getFirstValue();function s(t){return t.factor*(3600*t.hours+60*t.minutes)}function a(){let e={};return e.is_daylight="daylight"==t.name,e.utcOffset=s(t.getFirstProperty("tzoffsetto").getFirstValue()),e.prevUtcOffset=s(t.getFirstProperty("tzoffsetfrom").getFirstValue()),e}if(t.hasProperty("rrule")||t.hasProperty("rdate")){let s=t.getAllProperties("rdate");for(let t of s){let e=t.getFirstValue();r=a(),r.year=e.year,r.month=e.month,r.day=e.day,e.isDate?(r.hour=n.hour,r.minute=n.minute,r.second=n.second,n.zone!=c.utcTimezone&&c.adjust_change(r,0,0,0,-r.prevUtcOffset)):(r.hour=e.hour,r.minute=e.minute,r.second=e.second,e.zone!=c.utcTimezone&&c.adjust_change(r,0,0,0,-r.prevUtcOffset)),i.push(r)}let o=t.getFirstProperty("rrule");if(o){o=o.getFirstValue(),r=a(),o.until&&o.until.zone==c.utcTimezone&&(o.until.adjust(0,0,0,r.prevUtcOffset),o.until.zone=c.localTimezone);let t,s=o.iterator(n);for(;(t=s.next())&&(r=a(),!(t.year>e)&&t);)r.year=t.year,r.month=t.month,r.day=t.day,r.hour=t.hour,r.minute=t.minute,r.second=t.second,r.isDate=t.isDate,c.adjust_change(r,0,0,0,-r.prevUtcOffset),i.push(r)}}else r=a(),r.year=n.year,r.month=n.month,r.day=n.day,r.hour=n.hour,r.minute=n.minute,r.second=n.second,c.adjust_change(r,0,0,0,-r.prevUtcOffset),i.push(r);return i}toString(){return this.tznames?this.tznames:this.tzid}}let d=null;const m={get count(){return null===d?0:Object.keys(d).length},reset:function(){d=Object.create(null);let t=c.utcTimezone;d.Z=t,d.UTC=t,d.GMT=t},has:function(t){return null!==d&&!!d[t]},get:function(t){return null===d&&this.reset(),d[t]},register:function(t,e){if(null===d&&this.reset(),t instanceof yt&&"vtimezone"===t.name&&(t=(e=new c(t)).tzid),!(e instanceof c))throw new TypeError("timezone must be ICAL.Timezone or ICAL.Component");d[t]=e},remove:function(t){return null===d?null:delete d[t]}};function f(t){return"number"==typeof t&&isNaN(t)}function p(t){let e=parseInt(t,10);if(f(e))throw new Error('Could not extract integer from "'+t+'"');return e}function y(t,e){if(void 0!==t)return t instanceof e?t:new e(t)}function _(t,e,i){for(;-1!==(i=t.indexOf(e,i));){if(!(i>0&&"\\"===t[i-1]))return i;i+=1}return-1}function g(t,e,i){if(!t.length)return 0;let r,n,s=0,a=t.length-1;for(;s<=a;)if(r=s+Math.floor((a-s)/2),n=i(e,t[r]),n<0)a=r-1;else{if(!(n>0))break;s=r+1}return n<0?r:n>0?r+1:r}function D(t,e){if(t&&"object"==typeof t){if(t instanceof Date)return new Date(t.getTime());if("clone"in t)return t.clone();if(Array.isArray(t)){let i=[];for(let r=0;r<t.length;r++)i.push(e?D(t[r],!0):t[r]);return i}{let i={};for(let[r,n]of Object.entries(t))i[r]=e?D(n,!0):n;return i}}return t}function T(t){let e="",i=t||"",r=0,n=0;for(;i.length;){let t=i.codePointAt(r);t<128?++n:n+=t<2048?2:t<65536?3:4,n<Tt.foldLength+1?r+=t>65535?2:1:(e+=Tt.newLineChar+" "+i.slice(0,Math.max(0,r)),i=i.slice(Math.max(0,r)),r=n=0)}return e.slice(Tt.newLineChar.length+1)}function Y(t){switch("string"!=typeof t&&("number"==typeof t&&(t=parseInt(t)),t=String(t)),t.length){case 0:return"00";case 1:return"0"+t;default:return t}}function A(t){return t<0?Math.ceil(t):Math.floor(t)}function O(t,e){for(let i in t){let r=Object.getOwnPropertyDescriptor(t,i);r&&!Object.getOwnPropertyDescriptor(e,i)&&Object.defineProperty(e,i,r)}return e}var b=Object.freeze({__proto__:null,updateTimezones:function(t){let e,i,r,n,s;if(!t||"vcalendar"!==t.name)return t;for(e=t.getAllSubcomponents(),i=[],r={},s=0;s<e.length;s++)if("vtimezone"===e[s].name){r[e[s].getFirstProperty("tzid").getFirstValue()]=e[s]}else i=i.concat(e[s].getAllProperties());for(n={},s=0;s<i.length;s++){let t=i[s].getParameter("tzid");t&&(n[t]=!0)}for(let[e,i]of Object.entries(r))n[e]||t.removeSubcomponent(i);for(let e of Object.keys(n))!r[e]&&m.has(e)&&t.addSubcomponent(m.get(e).component);return t},isStrictlyNaN:f,strictParseInt:p,formatClassType:y,unescapedIndexOf:_,binsearchInsert:g,clone:D,foldline:T,pad2:Y,trunc:A,extend:O});class S{static fromString(t){let e={};return e.factor="+"===t[0]?1:-1,e.hours=p(t.slice(1,3)),e.minutes=p(t.slice(4,6)),new S(e)}static fromSeconds(t){let e=new S;return e.fromSeconds(t),e}constructor(t){this.fromData(t)}hours=0;minutes=0;factor=1;icaltype="utc-offset";clone(){return S.fromSeconds(this.toSeconds())}fromData(t){if(t)for(let[e,i]of Object.entries(t))this[e]=i;this._normalize()}fromSeconds(t){let e=Math.abs(t);return this.factor=t<0?-1:1,this.hours=A(e/3600),e-=3600*this.hours,this.minutes=A(e/60),this}toSeconds(){return this.factor*(60*this.minutes+3600*this.hours)}compare(t){let e=this.toSeconds(),i=t.toSeconds();return(e>i)-(i>e)}_normalize(){let t=this.toSeconds(),e=this.factor;for(;t<-43200;)t+=97200;for(;t>50400;)t-=97200;this.fromSeconds(t),0==t&&(this.factor=e)}toICALString(){return ut.icalendar.value["utc-offset"].toICAL(this.toString())}toString(){return(1==this.factor?"+":"-")+Y(this.hours)+":"+Y(this.minutes)}}class E extends s{static fromDateAndOrTimeString(t,e){function i(t,e,i){return t?p(t.slice(e,e+i)):null}let r=t.split("T"),n=r[0],s=r[1],a=s?ut.vcard.value.time._splitZone(s):[],o=a[0],l=a[1],h=n?n.length:0,u=l?l.length:0,d=n&&"-"==n[0]&&"-"==n[1],m=l&&"-"==l[0],f={year:d?null:i(n,0,4),month:!d||4!=h&&7!=h?7==h||10==h?i(n,5,2):null:i(n,2,2),day:5==h?i(n,3,2):7==h&&d?i(n,5,2):10==h?i(n,8,2):null,hour:m?null:i(l,0,2),minute:m&&3==u?i(l,1,2):u>4?i(l,m?1:3,2):null,second:4==u?i(l,2,2):6==u?i(l,4,2):8==u?i(l,6,2):null};return o="Z"==o?c.utcTimezone:o&&":"==o[3]?S.fromString(o):null,new E(f,o,e)}constructor(t,e,i){super(t,e),this.icaltype=i||"date-and-or-time"}icalclass="vcardtime";icaltype="date-and-or-time";clone(){return new E(this._time,this.zone,this.icaltype)}_normalize(){return this}utcOffset(){return this.zone instanceof S?this.zone.toSeconds():s.prototype.utcOffset.apply(this,arguments)}toICALString(){return ut.vcard.value[this.icaltype].toICAL(this.toString())}toString(){let t,e=this.year,i=this.month,r=this.day,n=this.hour,s=this.minute,a=this.second,o=null!==i,l=null!==r,h=null!==n,u=null!==s,d=null!==a,m=(null!==e?Y(e)+(o||l?"-":""):o||l?"--":"")+(o?Y(i):"")+(l?"-"+Y(r):""),f=(h?Y(n):"-")+(h&&u?":":"")+(u?Y(s):"")+(h||u?"":"-")+(u&&d?":":"")+(d?Y(a):"");if(this.zone===c.utcTimezone)t="Z";else if(this.zone instanceof S)t=this.zone.toString();else if(this.zone===c.localTimezone)t="";else if(this.zone instanceof c){t=S.fromSeconds(this.zone.utcOffset(this)).toString()}else t="";switch(this.icaltype){case"time":return f+t;case"date-and-or-time":case"date-time":return m+("--"==f?"":"T"+f+t);case"date":return m}return null}}class C{static _indexMap={BYSECOND:0,BYMINUTE:1,BYHOUR:2,BYDAY:3,BYMONTHDAY:4,BYYEARDAY:5,BYWEEKNO:6,BYMONTH:7,BYSETPOS:8};static _expandMap={SECONDLY:[1,1,1,1,1,1,1,1],MINUTELY:[2,1,1,1,1,1,1,1],HOURLY:[2,2,1,1,1,1,1,1],DAILY:[2,2,2,1,1,1,1,1],WEEKLY:[2,2,2,2,3,3,1,1],MONTHLY:[2,2,2,2,2,3,3,1],YEARLY:[2,2,2,2,2,2,2,2]};static UNKNOWN=0;static CONTRACT=1;static EXPAND=2;static ILLEGAL=3;constructor(t){this.fromData(t)}completed=!1;rule=null;dtstart=null;last=null;occurrence_number=0;by_indices=null;initialized=!1;by_data=null;days=null;days_index=0;fromData(t){if(this.rule=y(t.rule,B),!this.rule)throw new Error("iterator requires a (ICAL.Recur) rule");if(this.dtstart=y(t.dtstart,s),!this.dtstart)throw new Error("iterator requires a (ICAL.Time) dtstart");t.by_data?this.by_data=t.by_data:this.by_data=D(this.rule.parts,!0),t.occurrence_number&&(this.occurrence_number=t.occurrence_number),this.days=t.days||[],t.last&&(this.last=y(t.last,s)),this.by_indices=t.by_indices,this.by_indices||(this.by_indices={BYSECOND:0,BYMINUTE:0,BYHOUR:0,BYDAY:0,BYMONTH:0,BYWEEKNO:0,BYMONTHDAY:0}),this.initialized=t.initialized||!1,this.initialized||this.init()}init(){this.initialized=!0,this.last=this.dtstart.clone();let t=this.by_data;if("BYDAY"in t&&this.sort_byday_rules(t.BYDAY),"BYYEARDAY"in t&&("BYMONTH"in t||"BYWEEKNO"in t||"BYMONTHDAY"in t||"BYDAY"in t))throw new Error("Invalid BYYEARDAY rule");if("BYWEEKNO"in t&&"BYMONTHDAY"in t)throw new Error("BYWEEKNO does not fit to BYMONTHDAY");if("MONTHLY"==this.rule.freq&&("BYYEARDAY"in t||"BYWEEKNO"in t))throw new Error("For MONTHLY recurrences neither BYYEARDAY nor BYWEEKNO may appear");if("WEEKLY"==this.rule.freq&&("BYYEARDAY"in t||"BYMONTHDAY"in t))throw new Error("For WEEKLY recurrences neither BYMONTHDAY nor BYYEARDAY may appear");if("YEARLY"!=this.rule.freq&&"BYYEARDAY"in t)throw new Error("BYYEARDAY may only appear in YEARLY rules");this.last.second=this.setup_defaults("BYSECOND","SECONDLY",this.dtstart.second),this.last.minute=this.setup_defaults("BYMINUTE","MINUTELY",this.dtstart.minute),this.last.hour=this.setup_defaults("BYHOUR","HOURLY",this.dtstart.hour);let e=this.last.day=this.setup_defaults("BYMONTHDAY","DAILY",this.dtstart.day);if(this.last.month=this.setup_defaults("BYMONTH","MONTHLY",this.dtstart.month),"WEEKLY"==this.rule.freq)if("BYDAY"in t){let[,e]=this.ruleDayOfWeek(t.BYDAY[0],this.rule.wkst),i=e-this.last.dayOfWeek(this.rule.wkst);(this.last.dayOfWeek(this.rule.wkst)<e&&i>=0||i<0)&&(this.last.day+=i)}else{let e=B.numericDayToIcalDay(this.dtstart.dayOfWeek());t.BYDAY=[e]}if("YEARLY"==this.rule.freq){for(;this.expand_year_days(this.last.year),!(this.days.length>0);)this.increment_year(this.rule.interval);this._nextByYearDay()}if("MONTHLY"==this.rule.freq&&this.has_by_data("BYDAY")){let t=null,e=this.last.clone(),i=s.daysInMonth(this.last.month,this.last.year);for(let r of this.by_data.BYDAY){this.last=e.clone();let[n,a]=this.ruleDayOfWeek(r),o=this.last.nthWeekDay(a,n);if(n>=6||n<=-6)throw new Error("Malformed values in BYDAY part");if(o>i||o<=0){if(t&&t.month==e.month)continue;for(;o>i||o<=0;)this.increment_month(),i=s.daysInMonth(this.last.month,this.last.year),o=this.last.nthWeekDay(a,n)}this.last.day=o,(!t||this.last.compare(t)<0)&&(t=this.last.clone())}if(this.last=t.clone(),this.has_by_data("BYMONTHDAY")&&this._byDayAndMonthDay(!0),this.last.day>i||0==this.last.day)throw new Error("Malformed values in BYDAY part")}else if(this.has_by_data("BYMONTHDAY")){this.last.day=1;let t=s.daysInMonth(this.last.month,this.last.year);if(e<0)this.last.day=t+e+1;else if(this.by_data.BYMONTHDAY[0]>t){if(!this.next_month()&&!this.next_month()&&!this.next_month())throw new Error("No possible occurrences")}else this.last.day=e}}next(){let t,e=this.last?this.last.clone():null;if(this.rule.count&&this.occurrence_number>=this.rule.count||this.rule.until&&this.last.compare(this.rule.until)>0)return this.completed=!0,null;if(0==this.occurrence_number&&this.last.compare(this.dtstart)>=0)return this.occurrence_number++,this.last;do{switch(t=1,this.rule.freq){case"SECONDLY":this.next_second();break;case"MINUTELY":this.next_minute();break;case"HOURLY":this.next_hour();break;case"DAILY":this.next_day();break;case"WEEKLY":this.next_week();break;case"MONTHLY":t=this.next_month();break;case"YEARLY":this.next_year();break;default:return null}}while(!this.check_contracting_rules()||this.last.compare(this.dtstart)<0||!t);if(0==this.last.compare(e))throw new Error("Same occurrence found twice, protecting you from death by recursion");return this.rule.until&&this.last.compare(this.rule.until)>0?(this.completed=!0,null):(this.occurrence_number++,this.last)}next_second(){return this.next_generic("BYSECOND","SECONDLY","second","minute")}increment_second(t){return this.increment_generic(t,"second",60,"minute")}next_minute(){return this.next_generic("BYMINUTE","MINUTELY","minute","hour","next_second")}increment_minute(t){return this.increment_generic(t,"minute",60,"hour")}next_hour(){return this.next_generic("BYHOUR","HOURLY","hour","monthday","next_minute")}increment_hour(t){this.increment_generic(t,"hour",24,"monthday")}next_day(){let t="DAILY"==this.rule.freq;return 0==this.next_hour()||(t?this.increment_monthday(this.rule.interval):this.increment_monthday(1)),0}next_week(){let t=0;if(0==this.next_weekday_by_week())return t;if(this.has_by_data("BYWEEKNO")){this.by_indices.BYWEEKNO++,this.by_indices.BYWEEKNO==this.by_data.BYWEEKNO.length&&(this.by_indices.BYWEEKNO=0,t=1),this.last.month=1,this.last.day=1;let e=this.by_data.BYWEEKNO[this.by_indices.BYWEEKNO];this.last.day+=7*e,t&&this.increment_year(1)}else this.increment_monthday(7*this.rule.interval);return t}normalizeByMonthDayRules(t,e,i){let r,n=s.daysInMonth(e,t),a=[],o=0,l=i.length;for(;o<l;o++)if(r=i[o],!(Math.abs(r)>n)){if(r<0)r=n+(r+1);else if(0===r)continue;-1===a.indexOf(r)&&a.push(r)}return a.sort((function(t,e){return t-e}))}_byDayAndMonthDay(t){let e,i,r,n,a=this.by_data.BYDAY,o=0,l=a.length,h=0,u=this,c=this.last.day;function d(){for(n=s.daysInMonth(u.last.month,u.last.year),e=u.normalizeByMonthDayRules(u.last.year,u.last.month,u.by_data.BYMONTHDAY),r=e.length;e[o]<=c&&(!t||e[o]!=c)&&o<r-1;)o++}function m(){c=0,u.increment_month(),o=0,d()}d(),t&&(c-=1);let f=48;for(;!h&&f;){if(f--,i=c+1,i>n){m();continue}let t=e[o++];if(t>=i){c=t;for(let t=0;t<l;t++){let e=this.ruleDayOfWeek(a[t]),i=e[0],r=e[1];if(this.last.day=c,this.last.isNthWeekDay(r,i)){h=1;break}}h||o!==r||m()}else m()}if(f<=0)throw new Error("Malformed values in BYDAY combined with BYMONTHDAY parts");return h}next_month(){let t=1;if(0==this.next_hour())return t;if(this.has_by_data("BYDAY")&&this.has_by_data("BYMONTHDAY"))t=this._byDayAndMonthDay();else if(this.has_by_data("BYDAY")){let e,i=s.daysInMonth(this.last.month,this.last.year),r=0,n=0;if(this.has_by_data("BYSETPOS")){let t=this.last.day;for(let e=1;e<=i;e++)this.last.day=e,this.is_day_in_byday(this.last)&&(n++,e<=t&&r++);this.last.day=t}for(t=0,e=this.last.day+1;e<=i;e++)if(this.last.day=e,this.is_day_in_byday(this.last)&&(!this.has_by_data("BYSETPOS")||this.check_set_position(++r)||this.check_set_position(r-n-1))){t=1;break}e>i&&(this.last.day=1,this.increment_month(),this.is_day_in_byday(this.last)?this.has_by_data("BYSETPOS")&&!this.check_set_position(1)||(t=1):t=0)}else if(this.has_by_data("BYMONTHDAY")){this.by_indices.BYMONTHDAY++,this.by_indices.BYMONTHDAY>=this.by_data.BYMONTHDAY.length&&(this.by_indices.BYMONTHDAY=0,this.increment_month());let e=s.daysInMonth(this.last.month,this.last.year),i=this.by_data.BYMONTHDAY[this.by_indices.BYMONTHDAY];i<0&&(i=e+i+1),i>e?(this.last.day=1,t=this.is_day_in_byday(this.last)):this.last.day=i}else{this.increment_month();let e=s.daysInMonth(this.last.month,this.last.year);this.by_data.BYMONTHDAY[0]>e?t=0:this.last.day=this.by_data.BYMONTHDAY[0]}return t}next_weekday_by_week(){let t=0;if(0==this.next_hour())return t;if(!this.has_by_data("BYDAY"))return 1;for(;;){let e=new s;this.by_indices.BYDAY++,this.by_indices.BYDAY==Object.keys(this.by_data.BYDAY).length&&(this.by_indices.BYDAY=0,t=1);let i=this.by_data.BYDAY[this.by_indices.BYDAY],r=this.ruleDayOfWeek(i)[1];r-=this.rule.wkst,r<0&&(r+=7),e.year=this.last.year,e.month=this.last.month,e.day=this.last.day;let n=e.startDoyWeek(this.rule.wkst);if(r+n<1&&!t)continue;let a=s.fromDayOfYear(n+r,this.last.year);return this.last.year=a.year,this.last.month=a.month,this.last.day=a.day,t}}next_year(){if(0==this.next_hour())return 0;if(++this.days_index==this.days.length){this.days_index=0;do{this.increment_year(this.rule.interval),this.expand_year_days(this.last.year)}while(0==this.days.length)}return this._nextByYearDay(),1}_nextByYearDay(){let t=this.days[this.days_index],e=this.last.year;t<1&&(t+=1,e+=1);let i=s.fromDayOfYear(t,e);this.last.day=i.day,this.last.month=i.month}ruleDayOfWeek(t,e){let i=t.match(/([+-]?[0-9])?(MO|TU|WE|TH|FR|SA|SU)/);if(i){return[parseInt(i[1]||0,10),t=B.icalDayToNumericDay(i[2],e)]}return[0,0]}next_generic(t,e,i,r,n){let s=t in this.by_data,a=this.rule.freq==e,o=0;if(n&&0==this[n]())return o;if(s){this.by_indices[t]++;let e=this.by_data[t];this.by_indices[t]==e.length&&(this.by_indices[t]=0,o=1),this.last[i]=e[this.by_indices[t]]}else a&&this["increment_"+i](this.rule.interval);return s&&o&&a&&this["increment_"+r](1),o}increment_monthday(t){for(let e=0;e<t;e++){let t=s.daysInMonth(this.last.month,this.last.year);this.last.day++,this.last.day>t&&(this.last.day-=t,this.increment_month())}}increment_month(){if(this.last.day=1,this.has_by_data("BYMONTH"))this.by_indices.BYMONTH++,this.by_indices.BYMONTH==this.by_data.BYMONTH.length&&(this.by_indices.BYMONTH=0,this.increment_year(1)),this.last.month=this.by_data.BYMONTH[this.by_indices.BYMONTH];else{"MONTHLY"==this.rule.freq?this.last.month+=this.rule.interval:this.last.month++,this.last.month--;let t=A(this.last.month/12);this.last.month%=12,this.last.month++,0!=t&&this.increment_year(t)}}increment_year(t){this.last.year+=t}increment_generic(t,e,i,r){this.last[e]+=t;let n=A(this.last[e]/i);this.last[e]%=i,0!=n&&this["increment_"+r](n)}has_by_data(t){return t in this.rule.parts}expand_year_days(t){let e=new s;this.days=[];let i={},r=["BYDAY","BYWEEKNO","BYMONTHDAY","BYMONTH","BYYEARDAY"];for(let t of r)t in this.rule.parts&&(i[t]=this.rule.parts[t]);if("BYMONTH"in i&&"BYWEEKNO"in i){let r=1,n={};e.year=t,e.isDate=!0;for(let i=0;i<this.by_data.BYMONTH.length;i++){let r=this.by_data.BYMONTH[i];e.month=r,e.day=1;let a=e.weekNumber(this.rule.wkst);e.day=s.daysInMonth(r,t);let o=e.weekNumber(this.rule.wkst);for(i=a;i<o;i++)n[i]=1}for(let t=0;t<this.by_data.BYWEEKNO.length&&r;t++){this.by_data.BYWEEKNO[t]<52?r&=n[t]:r=0}r?delete i.BYMONTH:delete i.BYWEEKNO}let n=Object.keys(i).length;if(0==n){let t=this.dtstart.clone();t.year=this.last.year,this.days.push(t.dayOfYear())}else if(1==n&&"BYMONTH"in i)for(let e of this.by_data.BYMONTH){let i=this.dtstart.clone();i.year=t,i.month=e,i.isDate=!0,this.days.push(i.dayOfYear())}else if(1==n&&"BYMONTHDAY"in i)for(let e of this.by_data.BYMONTHDAY){let i=this.dtstart.clone();if(e<0){e=e+s.daysInMonth(i.month,t)+1}i.day=e,i.year=t,i.isDate=!0,this.days.push(i.dayOfYear())}else if(2==n&&"BYMONTHDAY"in i&&"BYMONTH"in i)for(let i of this.by_data.BYMONTH){let r=s.daysInMonth(i,t);for(let n of this.by_data.BYMONTHDAY)n<0&&(n=n+r+1),e.day=n,e.month=i,e.year=t,e.isDate=!0,this.days.push(e.dayOfYear())}else if(1==n&&"BYWEEKNO"in i);else if(2==n&&"BYWEEKNO"in i&&"BYMONTHDAY"in i);else if(1==n&&"BYDAY"in i)this.days=this.days.concat(this.expand_by_day(t));else if(2==n&&"BYDAY"in i&&"BYMONTH"in i){for(let i of this.by_data.BYMONTH){let r=s.daysInMonth(i,t);e.year=t,e.month=i,e.day=1,e.isDate=!0;let n=e.dayOfWeek(),a=e.dayOfYear()-1;e.day=r;let o=e.dayOfWeek();if(this.has_by_data("BYSETPOS")){let t=[];for(let i=1;i<=r;i++)e.day=i,this.is_day_in_byday(e)&&t.push(i);for(let e=0;e<t.length;e++)(this.check_set_position(e+1)||this.check_set_position(e-t.length))&&this.days.push(a+t[e])}else for(let t of this.by_data.BYDAY){let e,i=this.ruleDayOfWeek(t),s=i[0],l=i[1],h=(l+7-n)%7+1,u=r-(o+7-l)%7;if(0==s)for(let t=h;t<=r;t+=7)this.days.push(a+t);else s>0?(e=h+7*(s-1),e<=r&&this.days.push(a+e)):(e=u+7*(s+1),e>0&&this.days.push(a+e))}}this.days.sort((function(t,e){return t-e}))}else if(2==n&&"BYDAY"in i&&"BYMONTHDAY"in i){let e=this.expand_by_day(t);for(let i of e){let e=s.fromDayOfYear(i,t);this.by_data.BYMONTHDAY.indexOf(e.day)>=0&&this.days.push(i)}}else if(3==n&&"BYDAY"in i&&"BYMONTHDAY"in i&&"BYMONTH"in i){let e=this.expand_by_day(t);for(let i of e){let e=s.fromDayOfYear(i,t);this.by_data.BYMONTH.indexOf(e.month)>=0&&this.by_data.BYMONTHDAY.indexOf(e.day)>=0&&this.days.push(i)}}else if(2==n&&"BYDAY"in i&&"BYWEEKNO"in i){let e=this.expand_by_day(t);for(let i of e){let e=s.fromDayOfYear(i,t).weekNumber(this.rule.wkst);this.by_data.BYWEEKNO.indexOf(e)&&this.days.push(i)}}else 3==n&&"BYDAY"in i&&"BYWEEKNO"in i&&"BYMONTHDAY"in i||(this.days=1==n&&"BYYEARDAY"in i?this.days.concat(this.by_data.BYYEARDAY):[]);return 0}expand_by_day(t){let e=[],i=this.last.clone();i.year=t,i.month=1,i.day=1,i.isDate=!0;let r=i.dayOfWeek();i.month=12,i.day=31,i.isDate=!0;let n=i.dayOfWeek(),s=i.dayOfYear();for(let t of this.by_data.BYDAY){let i=this.ruleDayOfWeek(t),a=i[0],o=i[1];if(0==a){for(let t=(o+7-r)%7+1;t<=s;t+=7)e.push(t)}else if(a>0){let t;t=o>=r?o-r+1:o-r+8,e.push(t+7*(a-1))}else{let t;a=-a,t=o<=n?s-n+o:s-n+o-7,e.push(t-7*(a-1))}}return e}is_day_in_byday(t){if(this.by_data.BYDAY)for(let e of this.by_data.BYDAY){let i=this.ruleDayOfWeek(e),r=i[0],n=i[1],s=t.dayOfWeek();if(0==r&&n==s||t.nthWeekDay(n,r)==t.day)return 1}return 0}check_set_position(t){if(this.has_by_data("BYSETPOS")){return-1!==this.by_data.BYSETPOS.indexOf(t)}return!1}sort_byday_rules(t){for(let e=0;e<t.length;e++)for(let i=0;i<e;i++){if(this.ruleDayOfWeek(t[i],this.rule.wkst)[1]>this.ruleDayOfWeek(t[e],this.rule.wkst)[1]){let r=t[e];t[e]=t[i],t[i]=r}}}check_contract_restriction(t,e){let i=C._indexMap[t],r=C._expandMap[this.rule.freq][i],n=!1;if(t in this.by_data&&r==C.CONTRACT){let i=this.by_data[t];for(let t of i)if(t==e){n=!0;break}}else n=!0;return n}check_contracting_rules(){let t=this.last.dayOfWeek(),e=this.last.weekNumber(this.rule.wkst),i=this.last.dayOfYear();return this.check_contract_restriction("BYSECOND",this.last.second)&&this.check_contract_restriction("BYMINUTE",this.last.minute)&&this.check_contract_restriction("BYHOUR",this.last.hour)&&this.check_contract_restriction("BYDAY",B.numericDayToIcalDay(t))&&this.check_contract_restriction("BYWEEKNO",e)&&this.check_contract_restriction("BYMONTHDAY",this.last.day)&&this.check_contract_restriction("BYMONTH",this.last.month)&&this.check_contract_restriction("BYYEARDAY",i)}setup_defaults(t,e,i){let r=C._indexMap[t];return C._expandMap[this.rule.freq][r]!=C.CONTRACT&&(t in this.by_data||(this.by_data[t]=[i]),this.rule.freq!=e)?this.by_data[t][0]:i}toJSON(){let t=Object.create(null);return t.initialized=this.initialized,t.rule=this.rule.toJSON(),t.dtstart=this.dtstart.toJSON(),t.by_data=this.by_data,t.days=this.days,t.last=this.last.toJSON(),t.by_indices=this.by_indices,t.occurrence_number=this.occurrence_number,t}}const w=/^(SU|MO|TU|WE|TH|FR|SA)$/,x=/^([+-])?(5[0-3]|[1-4][0-9]|[1-9])?(SU|MO|TU|WE|TH|FR|SA)$/,v={SU:s.SUNDAY,MO:s.MONDAY,TU:s.TUESDAY,WE:s.WEDNESDAY,TH:s.THURSDAY,FR:s.FRIDAY,SA:s.SATURDAY},N=Object.fromEntries(Object.entries(v).map((t=>t.reverse()))),I=["SECONDLY","MINUTELY","HOURLY","DAILY","WEEKLY","MONTHLY","YEARLY"];class B{static fromString(t){let e=this._stringToData(t,!1);return new B(e)}static fromData(t){return new B(t)}static _stringToData(t,e){let i=Object.create(null),r=t.split(";"),n=r.length;for(let t=0;t<n;t++){let 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e=this._removeObject(2,"_components",t);return e&&this._hydratedComponentCount--,e}removeAllSubcomponents(t){let e=this._removeAllObjects(2,"_components",t);return this._hydratedComponentCount=0,e}addProperty(t){if(!(t instanceof pt))throw new TypeError("must be instance of ICAL.Property");this._properties||(this._properties=[],this._hydratedPropertyCount=0),t.parent&&t.parent.removeProperty(t);let e=this.jCal[1].push(t.jCal);return this._properties[e-1]=t,this._hydratedPropertyCount++,t.parent=this,t}addPropertyWithValue(t,e){let i=new pt(t);return i.setValue(e),this.addProperty(i),i}updatePropertyWithValue(t,e){let i=this.getFirstProperty(t);return i?i.setValue(e):i=this.addPropertyWithValue(t,e),i}removeProperty(t){let e=this._removeObject(1,"_properties",t);return e&&this._hydratedPropertyCount--,e}removeAllProperties(t){let e=this._removeAllObjects(1,"_properties",t);return this._hydratedPropertyCount=0,e}toJSON(){return this.jCal}toString(){return ft.component(this.jCal,this._designSet)}getTimeZoneByID(t){if(this.parent)return this.parent.getTimeZoneByID(t);if(!this._timezoneCache)return null;if(this._timezoneCache.has(t))return this._timezoneCache.get(t);const e=this.getAllSubcomponents("vtimezone");for(const i of e)if(i.getFirstProperty("tzid").getFirstValue()===t){const e=new c({component:i,tzid:t});return this._timezoneCache.set(t,e),e}return null}}class _t{constructor(t){this.ruleDates=[],this.exDates=[],this.fromData(t)}complete=!1;ruleIterators=null;ruleDates=null;exDates=null;ruleDateInc=0;exDateInc=0;exDate=null;ruleDate=null;dtstart=null;last=null;fromData(t){let e=y(t.dtstart,s);if(!e)throw new Error(".dtstart (ICAL.Time) must be given");if(this.dtstart=e,t.component)this._init(t.component);else{if(this.last=y(t.last,s)||e.clone(),!t.ruleIterators)throw new Error(".ruleIterators or .component must be given");this.ruleIterators=t.ruleIterators.map((function(t){return y(t,C)})),this.ruleDateInc=t.ruleDateInc,this.exDateInc=t.exDateInc,t.ruleDates&&(this.ruleDates=t.ruleDates.map((t=>y(t,s))),this.ruleDate=this.ruleDates[this.ruleDateInc]),t.exDates&&(this.exDates=t.exDates.map((t=>y(t,s))),this.exDate=this.exDates[this.exDateInc]),void 0!==t.complete&&(this.complete=t.complete)}}next(){let t,e,i,r=0;for(;;){if(r++>500)throw new Error("max tries have occurred, rule may be impossible to fulfill.");if(e=this.ruleDate,t=this._nextRecurrenceIter(this.last),!e&&!t){this.complete=!0;break}if((!e||t&&e.compare(t.last)>0)&&(e=t.last.clone(),t.next()),this.ruleDate===e&&this._nextRuleDay(),this.last=e,!this.exDate||(i=this.exDate.compare(this.last),i<0&&this._nextExDay(),0!==i))return this.last;this._nextExDay()}}toJSON(){function t(t){return t.toJSON()}let e=Object.create(null);return e.ruleIterators=this.ruleIterators.map(t),this.ruleDates&&(e.ruleDates=this.ruleDates.map(t)),this.exDates&&(e.exDates=this.exDates.map(t)),e.ruleDateInc=this.ruleDateInc,e.exDateInc=this.exDateInc,e.last=this.last.toJSON(),e.dtstart=this.dtstart.toJSON(),e.complete=this.complete,e}_extractDates(t,e){let i=[],r=t.getAllProperties(e);for(let t=0,e=r.length;t<e;t++)for(let e of r[t].getValues()){let t=g(i,e,((t,e)=>t.compare(e)));i.splice(t,0,e)}return i}_init(t){if(this.ruleIterators=[],this.last=this.dtstart.clone(),!t.hasProperty("rdate")&&!t.hasProperty("rrule")&&!t.hasProperty("recurrence-id"))return this.ruleDate=this.last.clone(),void(this.complete=!0);if(t.hasProperty("rdate")&&(this.ruleDates=this._extractDates(t,"rdate"),this.ruleDates[0]&&this.ruleDates[0].compare(this.dtstart)<0?(this.ruleDateInc=0,this.last=this.ruleDates[0].clone()):this.ruleDateInc=g(this.ruleDates,this.last,((t,e)=>t.compare(e))),this.ruleDate=this.ruleDates[this.ruleDateInc]),t.hasProperty("rrule")){let e,i,r=t.getAllProperties("rrule"),n=0,s=r.length;for(;n<s;n++)e=r[n].getFirstValue(),i=e.iterator(this.dtstart),this.ruleIterators.push(i),i.next()}t.hasProperty("exdate")&&(this.exDates=this._extractDates(t,"exdate"),this.exDateInc=g(this.exDates,this.last,((t,e)=>t.compare(e))),this.exDate=this.exDates[this.exDateInc])}_nextExDay(){this.exDate=this.exDates[++this.exDateInc]}_nextRuleDay(){this.ruleDate=this.ruleDates[++this.ruleDateInc]}_nextRecurrenceIter(){let t=this.ruleIterators;if(0===t.length)return null;let e,i,r,n=t.length,s=0;for(;s<n;s++)e=t[s],i=e.last,e.completed?(n--,0!==s&&s--,t.splice(s,1)):(!r||r.last.compare(i)>0)&&(r=e);return r}}class gt{constructor(t,e){t instanceof yt||(e=t,t=null),this.component=t||new yt("vevent"),this._rangeExceptionCache=Object.create(null),this.exceptions=Object.create(null),this.rangeExceptions=[],e&&e.strictExceptions&&(this.strictExceptions=e.strictExceptions),e&&e.exceptions?e.exceptions.forEach(this.relateException,this):this.component.parent&&!this.isRecurrenceException()&&this.component.parent.getAllSubcomponents("vevent").forEach((function(t){t.hasProperty("recurrence-id")&&this.relateException(t)}),this)}static THISANDFUTURE="THISANDFUTURE";exceptions=null;strictExceptions=!1;relateException(t){if(this.isRecurrenceException())throw new Error("cannot relate exception to exceptions");if(t instanceof yt&&(t=new gt(t)),this.strictExceptions&&t.uid!==this.uid)throw new Error("attempted to relate unrelated exception");let e=t.recurrenceId.toString();if(this.exceptions[e]=t,t.modifiesFuture()){let i=[t.recurrenceId.toUnixTime(),e],r=g(this.rangeExceptions,i,Dt);this.rangeExceptions.splice(r,0,i)}}modifiesFuture(){if(!this.component.hasProperty("recurrence-id"))return!1;return this.component.getFirstProperty("recurrence-id").getParameter("range")===gt.THISANDFUTURE}findRangeException(t){if(!this.rangeExceptions.length)return null;let e=t.toUnixTime(),i=g(this.rangeExceptions,[e],Dt);if(i-=1,i<0)return null;let r=this.rangeExceptions[i];return e<r[0]?null:r[1]}getOccurrenceDetails(t){let e,i=t.toString(),r=t.convertToZone(c.utcTimezone).toString(),n={recurrenceId:t};if(i in this.exceptions)e=n.item=this.exceptions[i],n.startDate=e.startDate,n.endDate=e.endDate,n.item=e;else if(r in this.exceptions)e=this.exceptions[r],n.startDate=e.startDate,n.endDate=e.endDate,n.item=e;else{let e,i=this.findRangeException(t);if(i){let r=this.exceptions[i];n.item=r;let s=this._rangeExceptionCache[i];if(!s){let t=r.recurrenceId.clone(),e=r.startDate.clone();t.zone=e.zone,s=e.subtractDate(t),this._rangeExceptionCache[i]=s}let a=t.clone();a.zone=r.startDate.zone,a.addDuration(s),e=a.clone(),e.addDuration(r.duration),n.startDate=a,n.endDate=e}else e=t.clone(),e.addDuration(this.duration),n.endDate=e,n.startDate=t,n.item=this}return n}iterator(t){return new _t({component:this.component,dtstart:t||this.startDate})}isRecurring(){let t=this.component;return t.hasProperty("rrule")||t.hasProperty("rdate")}isRecurrenceException(){return this.component.hasProperty("recurrence-id")}getRecurrenceTypes(){let t=this.component.getAllProperties("rrule"),e=0,i=t.length,r=Object.create(null);for(;e<i;e++){r[t[e].getFirstValue().freq]=!0}return r}get uid(){return this._firstProp("uid")}set uid(t){this._setProp("uid",t)}get startDate(){return this._firstProp("dtstart")}set startDate(t){this._setTime("dtstart",t)}get endDate(){let t=this._firstProp("dtend");if(!t){let e=this._firstProp("duration");t=this.startDate.clone(),e?t.addDuration(e):t.isDate&&(t.day+=1)}return t}set endDate(t){this.component.hasProperty("duration")&&this.component.removeProperty("duration"),this._setTime("dtend",t)}get duration(){let t=this._firstProp("duration");return t||this.endDate.subtractDateTz(this.startDate)}set duration(t){this.component.hasProperty("dtend")&&this.component.removeProperty("dtend"),this._setProp("duration",t)}get location(){return this._firstProp("location")}set location(t){this._setProp("location",t)}get attendees(){return this.component.getAllProperties("attendee")}get summary(){return this._firstProp("summary")}set summary(t){this._setProp("summary",t)}get description(){return this._firstProp("description")}set description(t){this._setProp("description",t)}get color(){return this._firstProp("color")}set color(t){this._setProp("color",t)}get organizer(){return this._firstProp("organizer")}set organizer(t){this._setProp("organizer",t)}get sequence(){return this._firstProp("sequence")}set sequence(t){this._setProp("sequence",t)}get recurrenceId(){return this._firstProp("recurrence-id")}set recurrenceId(t){this._setTime("recurrence-id",t)}_setTime(t,e){let i=this.component.getFirstProperty(t);i||(i=new pt(t),this.component.addProperty(i)),e.zone===c.localTimezone||e.zone===c.utcTimezone?i.removeParameter("tzid"):i.setParameter("tzid",e.zone.tzid),i.setValue(e)}_setProp(t,e){this.component.updatePropertyWithValue(t,e)}_firstProp(t){return this.component.getFirstPropertyValue(t)}toString(){return this.component.toString()}}function Dt(t,e){return t[0]>e[0]?1:e[0]>t[0]?-1:0}var Tt={foldLength:75,debug:!1,newLineChar:"\r\n",Binary:t,Component:yt,ComponentParser:class{constructor(t){void 0===t&&(t={});for(let[e,i]of Object.entries(t))this[e]=i}parseEvent=!0;parseTimezone=!0;oncomplete=function(){};onerror=function(t){};ontimezone=function(t){};onevent=function(t){};process(t){"string"==typeof t&&(t=l(t)),t instanceof yt||(t=new yt(t));let e,i=t.getAllSubcomponents(),r=0,n=i.length;for(;r<n;r++)switch(e=i[r],e.name){case"vtimezone":if(this.parseTimezone){let t=e.getFirstPropertyValue("tzid");t&&this.ontimezone(new c({tzid:t,component:e}))}break;case"vevent":this.parseEvent&&this.onevent(new gt(e));break;default:continue}this.oncomplete()}},Duration:r,Event:gt,Period:k,Property:pt,Recur:B,RecurExpansion:_t,RecurIterator:C,Time:s,Timezone:c,TimezoneService:m,UtcOffset:S,VCardTime:E,parse:l,stringify:ft,design:ut,helpers:b};export{Tt as default};