| 1 | !function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.rrule=e():t.rrule=e()}("undefined"!=typeof self?self:this,(()=>(()=>{"use strict";var t={d:(e,n)=>{for(var r in n)t.o(n,r)&&!t.o(e,r)&&Object.defineProperty(e,r,{enumerable:!0,get:n[r]})},o:(t,e)=>Object.prototype.hasOwnProperty.call(t,e),r:t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})}},e={};t.r(e),t.d(e,{Frequency:()=>U,RRule:()=>Dt,RRuleSet:()=>Mt,Weekday:()=>r,rrulestr:()=>Yt});var n=["MO","TU","WE","TH","FR","SA","SU"],r=function(){function t(t,e){if(0===e)throw new Error("Can't create weekday with n == 0");this.weekday=t,this.n=e}return t.fromStr=function(e){return new t(n.indexOf(e))},t.prototype.nth=function(e){return this.n===e?this:new t(this.weekday,e)},t.prototype.equals=function(t){return this.weekday===t.weekday&&this.n===t.n},t.prototype.toString=function(){var t=n[this.weekday];return this.n&&(t=(this.n>0?"+":"")+String(this.n)+t),t},t.prototype.getJsWeekday=function(){return 6===this.weekday?0:this.weekday+1},t}(),i=function(t){return null!=t},o=function(t){return"number"==typeof t},a=function(t){return"string"==typeof t&&n.includes(t)},s=Array.isArray,u=function(t,e){void 0===e&&(e=t),1===arguments.length&&(e=t,t=0);for(var n=[],r=t;r<e;r++)n.push(r);return n},h=function(t,e){var n=0,r=[];if(s(t))for(;n<e;n++)r[n]=[].concat(t);else for(;n<e;n++)r[n]=t;return r};function y(t,e,n){void 0===n&&(n=" ");var r=String(t);return e>>=0,r.length>e?String(r):((e-=r.length)>n.length&&(n+=h(n,e/n.length)),n.slice(0,e)+String(r))}var c,d=function(t,e){var n=t%e;return n*e<0?n+e:n},l=function(t,e){return{div:Math.floor(t/e),mod:d(t,e)}},f=function(t){return!i(t)||0===t.length},p=function(t){return!f(t)},m=function(t,e){return p(t)&&-1!==t.indexOf(e)};!function(t){t.MONTH_DAYS=[31,28,31,30,31,30,31,31,30,31,30,31],t.ONE_DAY=864e5,t.MAXYEAR=9999,t.ORDINAL_BASE=new Date(Date.UTC(1970,0,1)),t.PY_WEEKDAYS=[6,0,1,2,3,4,5],t.getYearDay=function(e){var n=new Date(e.getUTCFullYear(),e.getUTCMonth(),e.getUTCDate());return Math.ceil((n.valueOf()-new Date(e.getUTCFullYear(),0,1).valueOf())/t.ONE_DAY)+1},t.isLeapYear=function(t){return t%4==0&&t%100!=0||t%400==0},t.isDate=function(t){return t instanceof Date},t.isValidDate=function(e){return t.isDate(e)&&!isNaN(e.getTime())},t.tzOffset=function(t){return 60*t.getTimezoneOffset()*1e3},t.daysBetween=function(e,n){var r=e.getTime()-t.tzOffset(e)-(n.getTime()-t.tzOffset(n));return Math.round(r/t.ONE_DAY)},t.toOrdinal=function(e){return t.daysBetween(e,t.ORDINAL_BASE)},t.fromOrdinal=function(e){return new Date(t.ORDINAL_BASE.getTime()+e*t.ONE_DAY)},t.getMonthDays=function(e){var n=e.getUTCMonth();return 1===n&&t.isLeapYear(e.getUTCFullYear())?29:t.MONTH_DAYS[n]},t.getWeekday=function(e){return t.PY_WEEKDAYS[e.getUTCDay()]},t.monthRange=function(e,n){var r=new Date(Date.UTC(e,n,1));return[t.getWeekday(r),t.getMonthDays(r)]},t.combine=function(t,e){return e=e||t,new Date(Date.UTC(t.getUTCFullYear(),t.getUTCMonth(),t.getUTCDate(),e.getHours(),e.getMinutes(),e.getSeconds(),e.getMilliseconds()))},t.clone=function(t){return new Date(t.getTime())},t.cloneDates=function(e){for(var n=[],r=0;r<e.length;r++)n.push(t.clone(e[r]));return n},t.sort=function(t){t.sort((function(t,e){return t.getTime()-e.getTime()}))},t.timeToUntilString=function(t,e){void 0===e&&(e=!0);var n=new Date(t);return[y(n.getUTCFullYear().toString(),4,"0"),y(n.getUTCMonth()+1,2,"0"),y(n.getUTCDate(),2,"0"),"T",y(n.getUTCHours(),2,"0"),y(n.getUTCMinutes(),2,"0"),y(n.getUTCSeconds(),2,"0"),e?"Z":""].join("")},t.untilStringToDate=function(t){var e=/^(\d{4})(\d{2})(\d{2})(T(\d{2})(\d{2})(\d{2})Z?)?$/.exec(t);if(!e)throw new Error("Invalid UNTIL value: ".concat(t));return new Date(Date.UTC(parseInt(e[1],10),parseInt(e[2],10)-1,parseInt(e[3],10),parseInt(e[5],10)||0,parseInt(e[6],10)||0,parseInt(e[7],10)||0))}}(c||(c={}));const b=c;const w=function(){function t(t,e){this.minDate=null,this.maxDate=null,this._result=[],this.total=0,this.method=t,this.args=e,"between"===t?(this.maxDate=e.inc?e.before:new Date(e.before.getTime()-1),this.minDate=e.inc?e.after:new Date(e.after.getTime()+1)):"before"===t?this.maxDate=e.inc?e.dt:new Date(e.dt.getTime()-1):"after"===t&&(this.minDate=e.inc?e.dt:new Date(e.dt.getTime()+1))}return t.prototype.accept=function(t){++this.total;var e=this.minDate&&t<this.minDate,n=this.maxDate&&t>this.maxDate;if("between"===this.method){if(e)return!0;if(n)return!1}else if("before"===this.method){if(n)return!1}else if("after"===this.method)return!!e||(this.add(t),!1);return this.add(t)},t.prototype.add=function(t){return this._result.push(t),!0},t.prototype.getValue=function(){var t=this._result;switch(this.method){case"all":case"between":return t;default:return t.length?t[t.length-1]:null}},t.prototype.clone=function(){return new t(this.method,this.args)},t}();var v=function(t,e){return v=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n])},v(t,e)};function g(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function n(){this.constructor=t}v(t,e),t.prototype=null===e?Object.create(e):(n.prototype=e.prototype,new n)}var k=function(){return k=Object.assign||function(t){for(var e,n=1,r=arguments.length;n<r;n++)for(var i in e=arguments[n])Object.prototype.hasOwnProperty.call(e,i)&&(t[i]=e[i]);return t},k.apply(this,arguments)};Object.create;function E(t,e,n){if(n||2===arguments.length)for(var r,i=0,o=e.length;i<o;i++)!r&&i in 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t.toString()},Y=function(t,e,n){return"".concat(e," ").concat(n,", ").concat(t)};const S=function(){function t(t,e,n,r){if(void 0===e&&(e=x),void 0===n&&(n=D),void 0===r&&(r=Y),this.text=[],this.language=n||D,this.gettext=e,this.dateFormatter=r,this.rrule=t,this.options=t.options,this.origOptions=t.origOptions,this.origOptions.bymonthday){var o=[].concat(this.options.bymonthday),a=[].concat(this.options.bynmonthday);o.sort((function(t,e){return t-e})),a.sort((function(t,e){return e-t})),this.bymonthday=o.concat(a),this.bymonthday.length||(this.bymonthday=null)}if(i(this.origOptions.byweekday)){var u=s(this.origOptions.byweekday)?this.origOptions.byweekday:[this.origOptions.byweekday],h=String(u);this.byweekday={allWeeks:u.filter((function(t){return!t.n})),someWeeks:u.filter((function(t){return Boolean(t.n)})),isWeekdays:-1!==h.indexOf("MO")&&-1!==h.indexOf("TU")&&-1!==h.indexOf("WE")&&-1!==h.indexOf("TH")&&-1!==h.indexOf("FR")&&-1===h.indexOf("SA")&&-1===h.indexOf("SU"),isEveryDay:-1!==h.indexOf("MO")&&-1!==h.indexOf("TU")&&-1!==h.indexOf("WE")&&-1!==h.indexOf("TH")&&-1!==h.indexOf("FR")&&-1!==h.indexOf("SA")&&-1!==h.indexOf("SU")};var y=function(t,e){return t.weekday-e.weekday};this.byweekday.allWeeks.sort(y),this.byweekday.someWeeks.sort(y),this.byweekday.allWeeks.length||(this.byweekday.allWeeks=null),this.byweekday.someWeeks.length||(this.byweekday.someWeeks=null)}else this.byweekday=null}return t.isFullyConvertible=function(e){if(!(e.options.freq in t.IMPLEMENTED))return!1;if(e.origOptions.until&&e.origOptions.count)return!1;for(var n in e.origOptions){if(O(["dtstart","wkst","freq"],n))return!0;if(!O(t.IMPLEMENTED[e.options.freq],n))return!1}return!0},t.prototype.isFullyConvertible=function(){return t.isFullyConvertible(this.rrule)},t.prototype.toString=function(){var e=this.gettext;if(!(this.options.freq in t.IMPLEMENTED))return e("RRule error: Unable to fully convert this rrule to text");if(this.text=[e("every")],this[Dt.FREQUENCIES[this.options.freq]](),this.options.until){this.add(e("until"));var n=this.options.until;this.add(this.dateFormatter(n.getUTCFullYear(),this.language.monthNames[n.getUTCMonth()],n.getUTCDate()))}else this.options.count&&this.add(e("for")).add(this.options.count.toString()).add(this.plural(this.options.count)?e("times"):e("time"));return this.isFullyConvertible()||this.add(e("(~ approximate)")),this.text.join("")},t.prototype.HOURLY=function(){var t=this.gettext;1!==this.options.interval&&this.add(this.options.interval.toString()),this.add(this.plural(this.options.interval)?t("hours"):t("hour"))},t.prototype.MINUTELY=function(){var t=this.gettext;1!==this.options.interval&&this.add(this.options.interval.toString()),this.add(this.plural(this.options.interval)?t("minutes"):t("minute"))},t.prototype.DAILY=function(){var t=this.gettext;1!==this.options.interval&&this.add(this.options.interval.toString()),this.byweekday&&this.byweekday.isWeekdays?this.add(this.plural(this.options.interval)?t("weekdays"):t("weekday")):this.add(this.plural(this.options.interval)?t("days"):t("day")),this.origOptions.bymonth&&(this.add(t("in")),this._bymonth()),this.bymonthday?this._bymonthday():this.byweekday?this._byweekday():this.origOptions.byhour&&this._byhour()},t.prototype.WEEKLY=function(){var t=this.gettext;1!==this.options.interval&&this.add(this.options.interval.toString()).add(this.plural(this.options.interval)?t("weeks"):t("week")),this.byweekday&&this.byweekday.isWeekdays?1===this.options.interval?this.add(this.plural(this.options.interval)?t("weekdays"):t("weekday")):this.add(t("on")).add(t("weekdays")):this.byweekday&&this.byweekday.isEveryDay?this.add(this.plural(this.options.interval)?t("days"):t("day")):(1===this.options.interval&&this.add(t("week")),this.origOptions.bymonth&&(this.add(t("in")),this._bymonth()),this.bymonthday?this._bymonthday():this.byweekday&&this._byweekday())},t.prototype.MONTHLY=function(){var t=this.gettext;this.origOptions.bymonth?(1!==this.options.interval&&(this.add(this.options.interval.toString()).add(t("months")),this.plural(this.options.interval)&&this.add(t("in"))),this._bymonth()):(1!==this.options.interval&&this.add(this.options.interval.toString()),this.add(this.plural(this.options.interval)?t("months"):t("month"))),this.bymonthday?this._bymonthday():this.byweekday&&this.byweekday.isWeekdays?this.add(t("on")).add(t("weekdays")):this.byweekday&&this._byweekday()},t.prototype.YEARLY=function(){var t=this.gettext;this.origOptions.bymonth?(1!==this.options.interval&&(this.add(this.options.interval.toString()),this.add(t("years"))),this._bymonth()):(1!==this.options.interval&&this.add(this.options.interval.toString()),this.add(this.plural(this.options.interval)?t("years"):t("year"))),this.bymonthday?this._bymonthday():this.byweekday&&this._byweekday(),this.options.byyearday&&this.add(t("on the")).add(this.list(this.options.byyearday,this.nth,t("and"))).add(t("day")),this.options.byweekno&&this.add(t("in")).add(this.plural(this.options.byweekno.length)?t("weeks"):t("week")).add(this.list(this.options.byweekno,void 0,t("and")))},t.prototype._bymonthday=function(){var t=this.gettext;this.byweekday&&this.byweekday.allWeeks?this.add(t("on")).add(this.list(this.byweekday.allWeeks,this.weekdaytext,t("or"))).add(t("the")).add(this.list(this.bymonthday,this.nth,t("or"))):this.add(t("on the")).add(this.list(this.bymonthday,this.nth,t("and")))},t.prototype._byweekday=function(){var t=this.gettext;this.byweekday.allWeeks&&!this.byweekday.isWeekdays&&this.add(t("on")).add(this.list(this.byweekday.allWeeks,this.weekdaytext)),this.byweekday.someWeeks&&(this.byweekday.allWeeks&&this.add(t("and")),this.add(t("on the")).add(this.list(this.byweekday.someWeeks,this.weekdaytext,t("and"))))},t.prototype._byhour=function(){var t=this.gettext;this.add(t("at")).add(this.list(this.origOptions.byhour,void 0,t("and")))},t.prototype._bymonth=function(){this.add(this.list(this.options.bymonth,this.monthtext,this.gettext("and")))},t.prototype.nth=function(t){var e;t=parseInt(t.toString(),10);var n=this.gettext;if(-1===t)return n("last");var r=Math.abs(t);switch(r){case 1:case 21:case 31:e=r+n("st");break;case 2:case 22:e=r+n("nd");break;case 3:case 23:e=r+n("rd");break;default:e=r+n("th")}return t<0?e+" "+n("last"):e},t.prototype.monthtext=function(t){return this.language.monthNames[t-1]},t.prototype.weekdaytext=function(t){var e=o(t)?(t+1)%7:t.getJsWeekday();return(t.n?this.nth(t.n)+" ":"")+this.language.dayNames[e]},t.prototype.plural=function(t){return t%100!=1},t.prototype.add=function(t){return this.text.push(" "),this.text.push(t),this},t.prototype.list=function(t,e,n,r){var i=this;void 0===r&&(r=","),s(t)||(t=[t]);e=e||function(t){return t.toString()};var o=function(t){return e&&e.call(i,t)};return n?function(t,e,n){for(var r="",i=0;i<t.length;i++)0!==i&&(i===t.length-1?r+=" "+n+" ":r+=e+" "),r+=t[i];return r}(t.map(o),r,n):t.map(o).join(r+" ")},t}();var U,L=function(){function t(t){this.done=!0,this.rules=t}return t.prototype.start=function(t){return this.text=t,this.done=!1,this.nextSymbol()},t.prototype.isDone=function(){return this.done&&null===this.symbol},t.prototype.nextSymbol=function(){var t,e;this.symbol=null,this.value=null;do{if(this.done)return!1;for(var n in t=null,this.rules){var r=this.rules[n].exec(this.text);r&&(null===t||r[0].length>t[0].length)&&(t=r,e=n)}if(null!=t&&(this.text=this.text.substr(t[0].length),""===this.text&&(this.done=!0)),null==t)return this.done=!0,this.symbol=null,void(this.value=null)}while("SKIP"===e);return this.symbol=e,this.value=t,!0},t.prototype.accept=function(t){if(this.symbol===t){if(this.value){var e=this.value;return this.nextSymbol(),e}return this.nextSymbol(),!0}return!1},t.prototype.acceptNumber=function(){return this.accept("number")},t.prototype.expect=function(t){if(this.accept(t))return!0;throw new Error("expected "+t+" but found "+this.symbol)},t}();function M(t,e){void 0===e&&(e=D);var n={},r=new L(e.tokens);return r.start(t)?(function(){r.expect("every");var t=r.acceptNumber();t&&(n.interval=parseInt(t[0],10));if(r.isDone())throw new Error("Unexpected end");switch(r.symbol){case"day(s)":n.freq=Dt.DAILY,r.nextSymbol()&&(!function(){if(!r.accept("at"))return;do{var t=r.acceptNumber();if(!t)throw new Error("Unexpected symbol "+r.symbol+", expected hour");for(n.byhour=[parseInt(t[0],10)];r.accept("comma");){if(!(t=r.acceptNumber()))throw new Error("Unexpected symbol "+r.symbol+"; expected hour");n.byhour.push(parseInt(t[0],10))}}while(r.accept("comma")||r.accept("at"))}(),u());break;case"weekday(s)":n.freq=Dt.WEEKLY,n.byweekday=[Dt.MO,Dt.TU,Dt.WE,Dt.TH,Dt.FR],r.nextSymbol(),u();break;case"week(s)":n.freq=Dt.WEEKLY,r.nextSymbol()&&(i(),u());break;case"hour(s)":n.freq=Dt.HOURLY,r.nextSymbol()&&(i(),u());break;case"minute(s)":n.freq=Dt.MINUTELY,r.nextSymbol()&&(i(),u());break;case"month(s)":n.freq=Dt.MONTHLY,r.nextSymbol()&&(i(),u());break;case"year(s)":n.freq=Dt.YEARLY,r.nextSymbol()&&(i(),u());break;case"monday":case"tuesday":case"wednesday":case"thursday":case"friday":case"saturday":case"sunday":n.freq=Dt.WEEKLY;var e=r.symbol.substr(0,2).toUpperCase();if(n.byweekday=[Dt[e]],!r.nextSymbol())return;for(;r.accept("comma");){if(r.isDone())throw new Error("Unexpected end");var h=a();if(!h)throw new Error("Unexpected symbol "+r.symbol+", expected weekday");n.byweekday.push(Dt[h]),r.nextSymbol()}!function(){r.accept("on"),r.accept("the");var t=s();if(!t)return;n.bymonthday=[t],r.nextSymbol();for(;r.accept("comma");){if(!(t=s()))throw new Error("Unexpected symbol "+r.symbol+"; expected monthday");n.bymonthday.push(t),r.nextSymbol()}}(),u();break;case"january":case"february":case"march":case"april":case"may":case"june":case"july":case"august":case"september":case"october":case"november":case"december":if(n.freq=Dt.YEARLY,n.bymonth=[o()],!r.nextSymbol())return;for(;r.accept("comma");){if(r.isDone())throw new Error("Unexpected end");var y=o();if(!y)throw new Error("Unexpected symbol "+r.symbol+", expected month");n.bymonth.push(y),r.nextSymbol()}i(),u();break;default:throw new Error("Unknown symbol")}}(),n):null;function i(){var t=r.accept("on"),e=r.accept("the");if(t||e)do{var i=s(),u=a(),h=o();if(i)u?(r.nextSymbol(),n.byweekday||(n.byweekday=[]),n.byweekday.push(Dt[u].nth(i))):(n.bymonthday||(n.bymonthday=[]),n.bymonthday.push(i),r.accept("day(s)"));else if(u)r.nextSymbol(),n.byweekday||(n.byweekday=[]),n.byweekday.push(Dt[u]);else if("weekday(s)"===r.symbol)r.nextSymbol(),n.byweekday||(n.byweekday=[Dt.MO,Dt.TU,Dt.WE,Dt.TH,Dt.FR]);else if("week(s)"===r.symbol){r.nextSymbol();var y=r.acceptNumber();if(!y)throw new Error("Unexpected symbol "+r.symbol+", expected week number");for(n.byweekno=[parseInt(y[0],10)];r.accept("comma");){if(!(y=r.acceptNumber()))throw new Error("Unexpected symbol "+r.symbol+"; expected monthday");n.byweekno.push(parseInt(y[0],10))}}else{if(!h)return;r.nextSymbol(),n.bymonth||(n.bymonth=[]),n.bymonth.push(h)}}while(r.accept("comma")||r.accept("the")||r.accept("on"))}function o(){switch(r.symbol){case"january":return 1;case"february":return 2;case"march":return 3;case"april":return 4;case"may":return 5;case"june":return 6;case"july":return 7;case"august":return 8;case"september":return 9;case"october":return 10;case"november":return 11;case"december":return 12;default:return!1}}function a(){switch(r.symbol){case"monday":case"tuesday":case"wednesday":case"thursday":case"friday":case"saturday":case"sunday":return r.symbol.substr(0,2).toUpperCase();default:return!1}}function s(){switch(r.symbol){case"last":return r.nextSymbol(),-1;case"first":return r.nextSymbol(),1;case"second":return r.nextSymbol(),r.accept("last")?-2:2;case"third":return r.nextSymbol(),r.accept("last")?-3:3;case"nth":var t=parseInt(r.value[1],10);if(t<-366||t>366)throw new Error("Nth out of range: "+t);return r.nextSymbol(),r.accept("last")?-t:t;default:return!1}}function u(){if("until"===r.symbol){var t=Date.parse(r.text);if(!t)throw new Error("Cannot parse until date:"+r.text);n.until=new Date(t)}else r.accept("for")&&(n.count=parseInt(r.value[0],10),r.expect("number"))}}function _(t){return t<U.HOURLY}!function(t){t[t.YEARLY=0]="YEARLY",t[t.MONTHLY=1]="MONTHLY",t[t.WEEKLY=2]="WEEKLY",t[t.DAILY=3]="DAILY",t[t.HOURLY=4]="HOURLY",t[t.MINUTELY=5]="MINUTELY",t[t.SECONDLY=6]="SECONDLY"}(U||(U={}));var 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this.options.byminute.forEach((function(e){o=o.concat(i.mtimeset(t,e,n,r))})),b.sort(o),o},t.prototype.mtimeset=function(t,e,n,r){var i=this.options.bysecond.map((function(n){return new C(t,e,n,r)}));return b.sort(i),i},t.prototype.stimeset=function(t,e,n,r){return[new C(t,e,n,r)]},t.prototype.getdayset=function(t){switch(t){case U.YEARLY:return this.ydayset.bind(this);case U.MONTHLY:return this.mdayset.bind(this);case U.WEEKLY:return this.wdayset.bind(this);case U.DAILY:default:return this.ddayset.bind(this)}},t.prototype.gettimeset=function(t){switch(t){case U.HOURLY:return this.htimeset.bind(this);case U.MINUTELY:return this.mtimeset.bind(this);case U.SECONDLY:return this.stimeset.bind(this)}},t}();function pt(t,e,n,r,o,a){for(var s=[],u=0;u<t.length;u++){var h=void 0,y=void 0,c=t[u];c<0?(h=Math.floor(c/e.length),y=d(c,e.length)):(h=Math.floor((c-1)/e.length),y=d(c-1,e.length));for(var l=[],f=n;f<r;f++){var p=a[f];i(p)&&l.push(p)}var w=void 0;w=h<0?l.slice(h)[0]:l[h];var 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s=t[a];(o=bt(r,s,i))&&(t[s]=null)}return o}var kt={MO:new r(0),TU:new r(1),WE:new r(2),TH:new r(3),FR:new r(4),SA:new r(5),SU:new r(6)},Et={freq:U.YEARLY,dtstart:null,interval:1,wkst:kt.MO,count:null,until:null,tzid:null,bysetpos:null,bymonth:null,bymonthday:null,bynmonthday:null,byyearday:null,byweekno:null,byweekday:null,bynweekday:null,byhour:null,byminute:null,bysecond:null,byeaster:null},Tt=Object.keys(Et),Dt=function(){function t(t,e){void 0===t&&(t={}),void 0===e&&(e=!1),this._cache=e?null:new X,this.origOptions=W(t);var n=j(t).parsedOptions;this.options=n}return t.parseText=function(t,e){return M(t,e)},t.fromText=function(t,e){return R(t,e)},t.fromString=function(e){return new t(t.parseString(e)||void 0)},t.prototype._iter=function(t){return mt(t,this.options)},t.prototype._cacheGet=function(t,e){return!!this._cache&&this._cache._cacheGet(t,e)},t.prototype._cacheAdd=function(t,e,n){if(this._cache)return this._cache._cacheAdd(t,e,n)},t.prototype.all=function(t){if(t)return 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n=t.split("\n"),r=0;for(;r<n.length;){var i=n[r]=n[r].replace(/\s+$/g,"");i?r>0&&" "===i[0]?(n[r-1]+=i.slice(1),n.splice(r,1)):r+=1:n.splice(r,1)}return n}(t,e.unfold);return h.forEach((function(t){var e;if(t){var a=function(t){var e=function(t){if(-1===t.indexOf(":"))return{name:"RRULE",value:t};var e=(i=t,o=":",a=1,s=i.split(o),a?s.slice(0,a).concat([s.slice(a).join(o)]):s),n=e[0],r=e[1];var i,o,a,s;return{name:n,value:r}}(t),n=e.name,r=e.value,i=n.split(";");if(!i)throw new Error("empty property name");return{name:i[0].toUpperCase(),parms:i.slice(1),value:r}}(t),s=a.name,h=a.parms,y=a.value;switch(s.toUpperCase()){case"RRULE":if(h.length)throw new Error("unsupported RRULE parm: ".concat(h.join(",")));n.push(H(t));break;case"RDATE":var c=(null!==(e=/RDATE(?:;TZID=([^:=]+))?/i.exec(t))&&void 0!==e?e:[])[1];c&&!u&&(u=c),r=r.concat(Ut(y,h));break;case"EXRULE":if(h.length)throw new Error("unsupported EXRULE parm: 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