temporal-polyfill - npm Package Compare versions

Comparing version 0.0.3 to 0.0.4

dist/global.js

@@ -1,2 +0,2 @@
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Xt(n){return new ue("en-US",{calendar:n,era:"short",year:"numeric",month:"numeric",day:"numeric",timeZone:"UTC"})}var _t={Tishri:"M01",Heshvan:"M02",Kislev:"M03",Tevet:"M04",Shevat:"M05","Adar I":"M05L","Adar II":"M06",Adar:"M06",Nisan:"M07",Iyar:"M08",Sivan:"M09",Tamuz:"M10",Av:"M11",Elul:"M12"},nr=G(1868,9,8),er={gregory:ln,hebrew:class extends Vt{parseMonth(n,e){const t=parseInt(n);return isNaN(t)?this.convertMonthCode(_t[n],e):t}monthCode(n,e){const t=this.inLeapYear(e)&&n>5;return super.monthCode(n-Number(t),e)+(t&&6===n?"L":"")}convertMonthCode(n,e){const t=super.convertMonthCode(n,e);return t+(n.match(/L$/)||this.inLeapYear(e)&&t>5?1:0)}inLeapYear(n){const e=this.monthsInYear(n);return e>this.monthsInYear(n-1)&&e>this.monthsInYear(n+1)}},japanese:class extends ln{constructor(){super(...arguments),this.format=Xt("japanese")}era(n,e,t){const r=G(n,e,t);return r<nr?super.era(n,e,t):Bn(Pn(this.format,r).era)}}},tr={iso8601:hn};function rr(n,e,t,r){let o=0,i=0,s=0,a=0;switch(r){case 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i=or(n,r,o),s=Math.floor((Qt(hn,n,e,t)-i-1)/7)+1;if(s<1)return s+ir(n-1,r,o);const a=ir(n,r,o);return s>a?s-a:s}(e.isoYear,e.isoMonth,e.isoDay,1,4)}daysInWeek(n){return Jt(n,!0),7}daysInMonth(n){const e=Wt(n,this,!0);return sr(this).daysInMonth(e.year,e.month)}daysInYear(n){const e=Wt(n,this,!0);return Kt(sr(this),e.year)}monthsInYear(n){const e=Wt(n,this,!0);return sr(this).monthsInYear(e.year)}inLeapYear(n){return sr(this).inLeapYear(this.year(n))}dateFromFields(n,e){const t=Gt(n,sr(this),e);return new PlainDate(t.isoYear,t.isoMonth,t.isoDay,this)}yearMonthFromFields(n,e){const t=Gt({...n,day:1},sr(this),e);return new PlainYearMonth(t.isoYear,t.isoMonth,this,t.isoDay)}monthDayFromFields(n,e){const t=sr(this);let{era:r,eraYear:o,year:i,monthCode:s,day:a}=n;if(void 0===a)throw new TypeError("required property 'day' missing or undefined");void 0!==r&&void 0!==o&&(i=t.convertEraYear(o,r));let c=i;if(void 0===c){if(void 0===s)throw new TypeError("either year or monthCode required with 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h=yr({isoYear:n,isoMonth:e,isoDay:t,isoHour:r,isoMinute:o,isoSecond:i,isoMillisecond:s,isoMicrosecond:a,isoNanosecond:u},c);en(A(h)),super({...h,calendar:m(Calendar2,d)})}static from(n,e){const r=u(e);return fr(n instanceof PlainDateTime?n.getISOFields():"object"==typeof n?mr(t(n,pn),e,r,ur(n)):Ce(Ue(String(n))))}static compare(n,e){return pr(m(PlainDateTime,n),m(PlainDateTime,e))}with(n,e){return fr(mr(gr(a(n,pn),this),e,u(e),this.calendar))}withPlainDate(n){const e=m(PlainDate,n);return fr({...this.getISOFields(),...e.getISOFields(),calendar:hr(this,e)})}withPlainTime(n){return fr({...this.getISOFields(),...tt(n).getISOFields()})}withCalendar(n){return fr({...this.getISOFields(),calendar:m(Calendar2,n)})}add(n,e){return wr(this,m(Duration,n),e)}subtract(n,e){return wr(this,m(Duration,n).negated(),e)}until(n,e){return vr(this,m(PlainDateTime,n),e)}since(n,e){return vr(this,m(PlainDateTime,n),e,!0)}round(n){return function(n,e){const t=x(e,void 0,0,6);return Mr(n,Vn(t),t.roundingMode)}(this,n)}equals(n){return 0===pr(this,m(PlainDateTime,n))}toString(n){const e=In(n),t=fn(n),r=Mr(this,e.roundingIncrement,e.roundingMode).getISOFields();return dt(r,e)+gt(r.calendar.id,t)}toLocaleString(n,e){return le(this,n,{year:"numeric",month:"numeric",day:"numeric",hour:"numeric",minute:"2-digit",second:"2-digit",...e})}toZonedDateTime(n,e){const t=m(TimeZone,n),r=t.getInstantFor(this,e);return new ZonedDateTime(r.epochNanoseconds,t,this.calendar)}toPlainYearMonth(){return Hn(this.getISOFields())}toPlainMonthDay(){return kn(this.getISOFields())}toPlainDate(){return kt(this.getISOFields())}toPlainTime(){return Qe(this.getISOFields())}};function fr(n){return new PlainDateTime(n.isoYear,n.isoMonth,n.isoDay,n.isoHour,n.isoMinute,n.isoSecond,n.isoMillisecond,n.isoMicrosecond,n.isoNanosecond,n.calendar)}function mr(n,e,t,r){return{...r.dateFromFields(n,e).getISOFields(),...et(n,t)}}function gr(n,e){return{...jt(n,e),...Xe(n,e)}}function yr(n,e){return{...Ht(n,e),...Ve(n,e)}}function pr(n,e){return j(A(n.getISOFields()),A(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}function wr(n,e,t){const{calendar:r}=n,o=bt(e),i=Zt(e);return fr({...J(A(r.dateAdd(kt(n.getISOFields()),o,t).getISOFields())+ot(n)+ot(i)),calendar:r})}function vr(n,e,t,r){const o=k(t,6,0,0,9);return Jn(re(n,e,o.largestUnit),o,n,e,r)}function Mr(n,e,t){const r=Kn(n,e,t);return fr(Xn(n.getISOFields(),r))}function Ir(n,e){return j(n.epochNanoseconds,e.epochNanoseconds)}function Sr(n,e){if(Ft(e)>=6)throw new RangeError("Duration cant have units larger than days");return new Instant(n.epochNanoseconds+ot(Zt(e)))}function Tr(n,e,t){const r=k(t,3,0,0,5,!0);return Ot(Qn(e.epochNanoseconds-n.epochNanoseconds,r),r.largestUnit)}On(PlainDateTime,E),bn(PlainDateTime,Yn);var[Dr,Fr]=d(),Instant=class extends y{constructor(n){var e;super(),n=BigInt(n),((e=n)<-8640000000000000000000n||e>8640000000000000000000n)&&on(),Fr(this,n)}static from(n){if(n instanceof 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jt({year:n,month:t,day:o},r,i,s){if(r){if(t+=r,r<0)for(;t<1;)t+=i.monthsInYear(--n);else{let e;for(;t>(e=i.monthsInYear(n));)t-=e,n++}o=e(o,1,i.daysInMonth(n,t),s)}return{year:n,month:t,day:o}}function Lt(n,e){return e?{...K(_(A(n),e)),calendar:n.calendar}:n}function qt(n){return new PlainDate(n.isoYear,n.isoMonth,n.isoDay,n.calendar)}function Ht(n,e){return{...An(n,e),day:n.day??e.day}}function $t(n,t,o,r,i){return[n=Number(n),t=e(t,1,r.monthsInYear(n),i),o=e(o,1,r.daysInMonth(n,t),i)]}function zt(n,e){const[t,o,r]=$t(n.isoYear,n.isoMonth,n.isoDay,ln,e);return{isoYear:t,isoMonth:o,isoDay:r}}function At(n,e){return j($(n.getISOFields()),$(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}function Wt(n,e){return j(n.year,e.year)||function(n,e){return j(n.month,e.month)||j(n.day,e.day)}(n,e)}function Gt(n,e,t,o){return Vn(So(n,e).dateUntil(n,e,{largestUnit:C[t.largestUnit]}),t,n,e,o)}var PlainDate=class extends v{constructor(n,e,t,o=vo()){const 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e=to(n);if(t=n,o=e.resolvedOptions().calendar,dn(t)!==dn(o))throw new RangeError("Invalid calendar: "+n);var t,o;super(n),this.format=e,this.yearCorrection=this.computeFieldsDumb(0).year-1970,this.monthCacheByYear={}}epochMilliseconds(n,e,t){return _(this.queryMonthCache(n)[0][e-1],t-1)}daysInMonth(n,e){const t=this.queryMonthCache(n)[0],o=t[e-1];e>=t.length&&(n++,e=0);return X(o,this.queryMonthCache(n)[0][e])}monthsInYear(n){return this.queryMonthCache(n)[0].length}monthCode(n,e){const t=this.queryLeapMonthByYear(e);return!t||n<t?super.monthCode(n,e):super.monthCode(n-1,e)+(n===t?"L":"")}convertMonthCode(n,e){const t=this.queryLeapMonthByYear(e);let o=/L$/.test(n),r=parseInt(n.substr(1)),i=!1;if(o){const n=no[this.id];if(void 0===n)throw new RangeError("Calendar system doesnt support leap months");if(n){if(r!==n-1)throw new RangeError("Invalid leap-month month code")}else if(r<=1||r>=12)throw new RangeError("Invalid leap-month month 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e+1}}queryMonthCache(n){const{monthCacheByYear:e}=this;return e[n]||(e[n]=this.buildMonthCache(n))}buildMonthCache(n){const e=[],t=[],o={};let r=G(this.guessISOYear(n));for(r=_(r,400);;){const o=this.computeFieldsDumb(r);if(o.year<n)break;r=_(r,1-o.day),o.year===n&&(e.unshift(r),t.unshift(o.month)),r=_(r,-1)}for(let n=0;n<t.length;n++)o[t[n]]=n+1;return[e,t,o]}guessISOYear(n){return n-this.yearCorrection}};function to(n){return new le("en-US",{calendar:n,era:"short",year:"numeric",month:"short",day:"numeric",timeZone:"UTC"})}var oo=G(1868,9,8),ro={gregory:fn,japanese:class extends fn{constructor(){super(...arguments),this.format=to("japanese")}computeFields(n){const e=super.computeFields(n);if(n>=oo){const t=Un(this.format,n);e.era=Rn(t.era),e.eraYear=parseInt(t.relatedYear||t.year)}return e}},islamic:class extends eo{guessISOYear(n){return Math.ceil(32*n/33+622)}}},io={iso8601:ln};function so(n){const e=(n=String(n)).toLocaleLowerCase();return io[e]||(io[e]=new(ro[dn(e)]||eo)(n))}var ao=G(1582,10,15),co=G(622,7,18),uo={buddhist:ao,japanese:ao,roc:ao,islamic:co,"islamic-rgsa":co,indian:0},ho={};function lo(n,e){return fo(Number(n/M),e)}function fo(n,e){if(function(n,e){return function(n){let e=ho[n];if(void 0===e){const t=uo[n];if(void 0===t)e=!1;else{let o=so(n);o instanceof eo||(o=new eo(n));const r=t-864e5,i=o.computeFields(r);e=r!==o.epochMilliseconds(i.year,i.month,i.day)}ho[n]=e}return e}(e)&&n<uo[e]}(n,e))throw new RangeError("Invalid timestamp for calendar")}function mo(n,e,t,o){let r=0,i=0,s=0,a=0;switch(o){case 9:r=function(n,e,t){const[,o,r]=$t(e.year,n.month,n.day,t,0),i=Wt(e,n),s=j(e.month,o)||j(e.day,r);return e.year-n.year-(s&&i&&s!==i?i:0)}(n,e,t),n=kt(n,r,t,0);case 8:i=function(n,e,t){let o=0;const r=Wt(e,n);if(r){let{year:i}=n;for(;i!==e.year;)o+=t.monthsInYear(i)*r,i+=r;const[,s,a]=$t(e.year,n.month,n.day,t,0);o+=e.month-s;const c=j(e.day,a);c&&r&&c!==r&&(o-=r)}return o}(n,e,t),n=jt(n,i,t,0)}return a=X(t.epochMilliseconds(n.year,n.month,n.day),t.epochMilliseconds(e.year,e.month,e.day)),7===o&&(s=Math.trunc(a/7),a%=7),new Duration(r,i,s,a)}function go(n,e,t){const o=7+e-t;return-H(nn(n,1,o)-e,7)+o-1}function yo(n,e,t){const o=go(n,e,t),r=go(n+1,e,t);return(Xt(ln,n)-o+r)/7}var[po,wo]=d(),Calendar2=class extends g{constructor(n){super(),"islamicc"===n&&(n="islamic-civil"),wo(this,so(n))}static from(n){if("object"==typeof n&&n)return function(n){return n.calendar}(n)?function(n){if("object"==typeof n&&n){if("string"==typeof n.id)return n;throw new RangeError("Invalid calendar")}return new Calendar2(String(n))}(n.calendar):n;const e=Le(String(n));return new Calendar2(e?e.calendar||"iso8601":n)}get id(){return po(this).id}era(n){const e=Vt(n,!0);return Io(po(this),e.isoYear,e.isoMonth,e.isoDay).era}eraYear(n){const e=Vt(n,!0);return Io(po(this),e.isoYear,e.isoMonth,e.isoDay).eraYear}year(n){const e=Vt(n,!0);return Io(po(this),e.isoYear,e.isoMonth,e.isoDay).year}month(n){const e=Vt(n,!0);return Io(po(this),e.isoYear,e.isoMonth,e.isoDay).month}monthCode(n){const e=Kt(n,this);return po(this).monthCode(e.month,e.year)}day(n){const e=Vt(n);return Io(po(this),e.isoYear,e.isoMonth,e.isoDay).day}dayOfWeek(n){const e=Vt(n,!0);return nn(e.isoYear,e.isoMonth,e.isoDay)}dayOfYear(n){const e=Kt(n,this,!0);return _t(po(this),e.year,e.month,e.day)}weekOfYear(n){const e=Vt(n,!0);return function(n,e,t,o,r){const i=go(n,o,r),s=Math.floor((_t(ln,n,e,t)-i-1)/7)+1;if(s<1)return s+yo(n-1,o,r);const a=yo(n,o,r);return s>a?s-a:s}(e.isoYear,e.isoMonth,e.isoDay,1,4)}daysInWeek(n){return Vt(n,!0),7}daysInMonth(n){const e=Kt(n,this,!0);return po(this).daysInMonth(e.year,e.month)}daysInYear(n){const e=Kt(n,this,!0);return Xt(po(this),e.year)}monthsInYear(n){const e=Kt(n,this,!0);return po(this).monthsInYear(e.year)}inLeapYear(n){return po(this).inLeapYear(this.year(n))}dateFromFields(n,e){const t=Qt(n,po(this),e);return new PlainDate(t.isoYear,t.isoMonth,t.isoDay,this)}yearMonthFromFields(n,e){const t=Qt({...n,day:1},po(this),e);return new PlainYearMonth(t.isoYear,t.isoMonth,this,t.isoDay)}monthDayFromFields(n,e){const t=po(this);let{era:o,eraYear:r,year:i,monthCode:s,day:a}=n;if(void 0===a)throw new TypeError("required property 'day' missing or undefined");void 0!==o&&void 0!==r&&(i=un(t.id,r,o));let c=i;if(void 0===c){if(void 0===s)throw new TypeError("either year or monthCode required with month");c=t.guessYearForMonthDay(s,a)}const u=Qt({...n,year:c},t,e);return new PlainMonthDay(u.isoMonth,u.isoDay,this,t.normalizeISOYearForMonthDay(u.isoYear))}dateAdd(n,e,t){const o=po(this),r=xt(m(PlainDate,n,t),m(Duration,e),o,u(t));return new PlainDate(r.isoYear,r.isoMonth,r.isoDay,this)}dateUntil(n,e,t){const r=po(this),i=m(PlainDate,n),s=m(PlainDate,e),a=R(o(t).largestUnit,6,6,9);return Fo(So(i,s),this),mo(i,s,r,a)}toString(){return this.id}};function vo(){return new Calendar2("iso8601")}function Io(n,e,t,o){const r=G(e,t,o);return fo(r,n.id),n.computeFields(r)}function Mo(n){return void 0===n.calendar?vo():m(Calendar2,n.calendar)}function So(n,e){const{calendar:t}=n;return Fo(t,e.calendar),t}function Do(n,e){const t=n.calendar,o=e.calendar;if("iso8601"===t.id)return o;if("iso8601"===o.id)return t;if(t.id!==o.id)throw new RangeError("Non-ISO calendars incompatible");return t}function Fo(n,e){if(n.id!==e.id)throw new RangeError("Calendars must match")}var PlainDateTime=class extends v{constructor(n,e,t,o=0,r=0,i=0,s=0,a=0,u=0,d=vo()){const h=No({isoYear:n,isoMonth:e,isoDay:t,isoHour:o,isoMinute:r,isoSecond:i,isoMillisecond:s,isoMicrosecond:a,isoNanosecond:u},c),l=m(Calendar2,d);kn(h,l.id),super({...h,calendar:l})}static from(n,e){const o=u(e);return Oo(n instanceof PlainDateTime?n.getISOFields():"object"==typeof n?To(t(n,wn),e,o,Mo(n)):Be(xe(String(n))))}static compare(n,e){return Yo(m(PlainDateTime,n),m(PlainDateTime,e))}with(n,e){return Oo(To(bo(a(n,wn),this),e,u(e),this.calendar))}withPlainDate(n){const e=m(PlainDate,n);return Oo({...this.getISOFields(),...e.getISOFields(),calendar:Do(this,e)})}withPlainTime(n){return Oo({...this.getISOFields(),...it(n).getISOFields()})}withCalendar(n){return Oo({...this.getISOFields(),calendar:m(Calendar2,n)})}add(n,e){return Zo(this,m(Duration,n),e)}subtract(n,e){return Zo(this,m(Duration,n).negated(),e)}until(n,e){return Eo(this,m(PlainDateTime,n),e)}since(n,e){return Eo(this,m(PlainDateTime,n),e,!0)}round(n){return function(n,e){const t=x(e,void 0,0,6);return Co(n,ne(t),t.roundingMode)}(this,n)}equals(n){return 0===Yo(this,m(PlainDateTime,n))}toString(n){const e=Sn(n),t=mn(n),o=Co(this,e.roundingIncrement,e.roundingMode).getISOFields();return ft(o,e)+wt(o.calendar.id,t)}toLocaleString(n,e){return ge(this,n,{year:"numeric",month:"numeric",day:"numeric",hour:"numeric",minute:"2-digit",second:"2-digit",...e})}toZonedDateTime(n,e){const t=m(TimeZone,n),o=t.getInstantFor(this,e);return new ZonedDateTime(o.epochNanoseconds,t,this.calendar)}toPlainYearMonth(){return zn(this.getISOFields())}toPlainMonthDay(){return qn(this.getISOFields())}toPlainDate(){return qt(this.getISOFields())}toPlainTime(){return _e(this.getISOFields())}};function Oo(n){return new PlainDateTime(n.isoYear,n.isoMonth,n.isoDay,n.isoHour,n.isoMinute,n.isoSecond,n.isoMillisecond,n.isoMicrosecond,n.isoNanosecond,n.calendar)}function To(n,e,t,o){return{...o.dateFromFields(n,e).getISOFields(),...rt(n,t)}}function bo(n,e){return{...Ht(n,e),...et(n,e)}}function No(n,e){return{...zt(n,e),...nt(n,e)}}function Yo(n,e){return j($(n.getISOFields()),$(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}function Zo(n,e,t){const{calendar:o}=n,r=Ct(e),i=Pt(e);return Oo({...J($(o.dateAdd(qt(n.getISOFields()),r,t).getISOFields())+at(n)+at(i)),calendar:o})}function Eo(n,e,t,o){const r=k(t,6,0,0,9);return Vn(se(n,e,r.largestUnit),r,n,e,o)}function Co(n,e,t){const o=Xn(n,e,t);return Oo(ee(n.getISOFields(),o))}function Po(n,e){return j(n.epochNanoseconds,e.epochNanoseconds)}function Uo(n,e){if(Nt(e)>=6)throw new RangeError("Duration cant have units larger than days");return new Instant(n.epochNanoseconds+at(Pt(e)))}function Bo(n,e,t){const o=k(t,3,0,0,5,!0);return Yt(_n(e.epochNanoseconds-n.epochNanoseconds,o),o.largestUnit)}bn(PlainDateTime,E),Zn(PlainDateTime,Yn);var[Ro,xo]=d(),Instant=class extends y{constructor(n){var e;super(),n=BigInt(n),((e=n)<-8640000000000000000000n||e>8640000000000000000000n)&&on(),xo(this,n)}static from(n){if(n instanceof Instant)return new Instant(n.epochNanoseconds);const e=xe(String(n)),t=e.offset;if(void 0===t)throw new RangeError("Must specify an offset");return new Instant($(No(e,c))-BigInt(t))}static fromEpochSeconds(n){return new Instant(BigInt(n)*S)}static fromEpochMilliseconds(n){return new Instant(BigInt(n)*M)}static fromEpochMicroseconds(n){return new Instant(n*I)}static fromEpochNanoseconds(n){return new 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Ho().toZonedDateTimeISO(n).toPlainTime()},instant:Ho,timeZone:$o};!function(){if(!globalThis.Temporal){globalThis.Temporal={PlainYearMonth:PlainYearMonth,PlainMonthDay:PlainMonthDay,PlainDate:PlainDate,PlainTime:PlainTime,PlainDateTime:PlainDateTime,ZonedDateTime:ZonedDateTime,Instant:Instant,Calendar:Calendar2,TimeZone:TimeZone,Duration:Duration,Now:zo},globalThis.Date.prototype.toTemporalInstant=function(){return n=this,Instant.fromEpochMilliseconds(n.valueOf());var n};class n extends le{format(n){return super.format(fe(n))}formatToParts(n){return super.formatToParts(fe(n))}formatRange(n,e){return super.formatRange(me(n),me(e))}formatRangeToParts(n,e){return super.formatRangeToParts(me(n),me(e))}}globalThis.Intl.DateTimeFormat=n}}();
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dist/impl.js

@@ -1,2 +0,2 @@
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Duration(n.years+e.years,n.months+e.months,n.weeks+e.weeks,n.days+e.days,n.hours+e.hours,n.minutes+e.minutes,n.seconds+e.seconds,n.milliseconds+e.milliseconds,n.microseconds+e.microseconds,n.nanoseconds+e.nanoseconds)}function Ot(n,e,t){return t instanceof PlainDate?function(n,e,t){const o=t.add(n);return t.calendar.dateUntil(t,o,{largestUnit:C[e]})}(n,Math.max(6,e),t):Dt(n,e,t)}function Dt(n,e,t,o){const r=!0!==o&&e>7&&n.weeks;r&&(n=n.with({weeks:0}));const i=t.add(n);let s=oe(t,i,e);return r&&(s=Ft(s,new Duration(0,0,r))),s}function Nt(n){return n.years?9:n.months?8:n.weeks?7:n.days?6:n.hours?5:n.minutes?4:n.seconds?3:n.milliseconds?2:n.microseconds?1:0}function Tt(n,e){return Yt(ut(n,e))}function Yt(n){return new Duration(0,0,0,n.day,n.hour,n.minute,n.second,n.millisecond,n.microsecond,n.nanosecond)}function bt(n){if(!n.years&&!n.months&&!n.weeks)return{day:n.days,...Et(n)}}function Zt(n){return new Duration(n.years,n.months,n.weeks,n.days)}function 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e=it(Et(n)),t=e/D;return[ut(e-t*D,5),new Duration(n.years,n.months,n.weeks,n.days+Number(t))]}(e);return r=_(r,7*i.weeks+i.days),K(r)}function xt({year:n,month:t,day:o},r,i,s){n+=r;const a=e(t,1,i.monthsInYear(n),s);let c=t===a?o:1;return c=e(c,1,i.daysInMonth(n,a),s),{year:n,month:a,day:c}}function Rt({year:n,month:t,day:o},r,i,s){if(r){if(t+=r,r<0)for(;t<1;)t+=i.monthsInYear(--n);else{let e;for(;t>(e=i.monthsInYear(n));)t-=e,n++}o=e(o,1,i.daysInMonth(n,t),s)}return{year:n,month:t,day:o}}function kt(n,e){return e?{...K(_(z(n),e)),calendar:n.calendar}:n}function jt(n){return new PlainDate(n.isoYear,n.isoMonth,n.isoDay,n.calendar)}function Lt(n,e){return{...$n(n,e),day:n.day??e.day}}function Ht(n,t,o,r,i){return[n=Number(n),t=e(t,1,r.monthsInYear(n),i),o=e(o,1,r.daysInMonth(n,t),i)]}function $t(n,e){const[t,o,r]=Ht(n.isoYear,n.isoMonth,n.isoDay,hn,e);return{isoYear:t,isoMonth:o,isoDay:r}}function At(n,e){return j(A(n.getISOFields()),A(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}function qt(n,e){return j(n.year,e.year)||function(n,e){return j(n.month,e.month)||j(n.day,e.day)}(n,e)}function zt(n,e,t,o){return Jn(fo(n,e).dateUntil(n,e,{largestUnit:C[t.largestUnit]}),t,n,e,o)}var PlainDate=class extends v{constructor(n,e,t,o=uo()){const r=$t({isoYear:n,isoMonth:e,isoDay:t},c);!function(n){const e=A(n);en(e+(e<0n?86399999999999n:0n))}(r),super({...r,calendar:m(Calendar2,o)})}static from(n,e){if(u(e),n instanceof PlainDate)return jt(n.getISOFields());if("object"==typeof n){const o=t(n,gn);return ho(n).dateFromFields(o,e)}return jt(Ue(Be(String(n))))}static compare(n,e){return At(m(PlainDate,n),m(PlainDate,e))}with(n,e){const t=Lt(a(n,gn),this);return this.calendar.dateFromFields(t,e)}withCalendar(n){const e=this.getISOFields();return new PlainDate(e.isoYear,e.isoMonth,e.isoDay,n)}add(n,e){return this.calendar.dateAdd(this,n,e)}subtract(n,e){return this.calendar.dateAdd(this,m(Duration,n).negated(),e)}until(n,e){return zt(this,m(PlainDate,n),k(e,6,6,6,9))}since(n,e){return zt(this,m(PlainDate,n),k(e,6,6,6,9),!0)}equals(n){return 0===At(this,m(PlainDate,n))}toString(n){const e=ln(n),t=this.getISOFields();return ft(t)+yt(t.calendar.id,e)}toLocaleString(n,e){return le(this,n,{year:"numeric",month:"numeric",day:"numeric",...e,hour:void 0,minute:void 0,second:void 0})}toZonedDateTime(n){return this.toPlainDateTime(n.plainTime).toZonedDateTime(n.timeZone)}toPlainDateTime(n){return go({...this.getISOFields(),...ot(n).getISOFields()})}toPlainYearMonth(){return Hn(this.getISOFields())}toPlainMonthDay(){return kn(this.getISOFields())}};function Wt(n){return n instanceof PlainDate||n instanceof PlainDateTime||n instanceof ZonedDateTime||n instanceof PlainYearMonth||n instanceof PlainMonthDay}function Gt(n,e,t){let o;if(n instanceof PlainDate)o=n;else if(Wt(n)){if(t&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");o=jt(n.getISOFields())}else o=PlainDate.from(n);return mo(o.calendar,e),o}function Jt(n,e,t){if(Wt(n))return n.getISOFields();let{era:o,eraYear:r,year:i,month:s,monthCode:a,day:c}=n;if(void 0===i){if(void 0===r||void 0===o)throw new TypeError("Must specify either a year or an era & eraYear");i=e.convertEraYear(r,o,!0)}if(void 0!==a){const n=e.convertMonthCode(a,i);if(void 0!==s&&s!==n)throw new RangeError("Month doesnt match with monthCode");s=n}else if(void 0===s)throw new TypeError("Must specify either a month or monthCode");if(void 0===c)throw new TypeError("Must specify day");return[i,s,c]=Ht(i,s,c,e,u(t)),K(e.epochMilliseconds(i,s,c))}function Kt(n,e){if(Wt(n)){if(e&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");return n.getISOFields()}return PlainDate.from(n).getISOFields()}function Qt(n,e){return X(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e+1,1,1))}function Vt(n,e,t,o){return X(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e,t,o))+1}Nn(PlainDate),bn(PlainDate,Yn);var Xt=class extends un{constructor(n){const e=_t(n);if(!function(n,e){const t=n.split("-"),o=e.split("-");return t[0]===o[0]}(n,e.resolvedOptions().calendar))throw new RangeError("Invalid calendar: "+n);super(n),this.format=e,this.yearCorrection=this.computeFields(0).year-1970,this.yearMonthCache={}}era(n,e,t){const o=G(n,e,t);return this.computeFields(o).era}eraYear(n,e,t){const o=G(n,e,t);return this.computeFields(o).eraYear}year(n,e,t){const o=G(n,e,t);return this.computeFields(o).year}month(n,e,t){const o=G(n,e,t);return this.computeFields(o).month}day(n,e,t){const o=G(n,e,t);return this.computeFields(o).day}epochMilliseconds(n,e,t){this.ensureYear(n);return _(this.yearMonthCache[n][e-1],t-1)}daysInMonth(n,e){const{yearMonthCache:t}=this;this.ensureYear(n);const o=t[n],r=o[e-1];e>=o.length&&(n++,e=0);return X(r,t[n][e])}monthsInYear(n){return this.ensureYear(n),this.yearMonthCache[n].length}inLeapYear(n){const e=Qt(this,n);return e>Qt(this,n-1)&&e>Qt(this,n+1)}guessYearForMonthDay(n,e){let t=1970+this.yearCorrection;const o=t+100;for(;t<o;t++){const o=this.convertMonthCode(n,t);if(o<=this.monthsInYear(t)&&e<=this.daysInMonth(t,o))return t}throw new Error("Could not guess year")}normalizeISOYearForMonthDay(n){return n}ensureYear(n){const{yearMonthCache:e,yearCorrection:t}=this;if(!e[n]||!e[n+1]){let e=G(n-t);e=_(e,400),this.ensureDown(e,n)}}ensureDown(n,e){const{yearMonthCache:t}=this;let o=this.computeFields(n);for(let r=o.year;r>=e;r--){const e=t[r]||(t[r]=[]),i=e.length+1;for(let t=o.month;t>=i;t--)n=_(n,1-o.day),e[t-1]=n,n=_(n,-1),o=this.computeFields(n)}}computeFields(n){const e=Un(this.format,n);let t,o,r=parseInt(e.relatedYear||e.year);return e.era&&(t=Bn(e.era),o=r,r=this.convertEraYear(o,t)),{era:t,eraYear:o,year:r,month:this.parseMonth(e.month,r),day:parseInt(e.day)}}parseMonth(n,e){return parseInt(n)}};function _t(n){return new ue("en-US",{calendar:n,era:"short",year:"numeric",month:"numeric",day:"numeric",timeZone:"UTC"})}var no={Tishri:"M01",Heshvan:"M02",Kislev:"M03",Tevet:"M04",Shevat:"M05","Adar I":"M05L","Adar II":"M06",Adar:"M06",Nisan:"M07",Iyar:"M08",Sivan:"M09",Tamuz:"M10",Av:"M11",Elul:"M12"},eo=G(1868,9,8),to={gregory:fn,hebrew:class extends Xt{parseMonth(n,e){const t=parseInt(n);return isNaN(t)?this.convertMonthCode(no[n],e):t}monthCode(n,e){const t=this.inLeapYear(e)&&n>5;return super.monthCode(n-Number(t),e)+(t&&6===n?"L":"")}convertMonthCode(n,e){const t=super.convertMonthCode(n,e);return t+(n.match(/L$/)||this.inLeapYear(e)&&t>5?1:0)}inLeapYear(n){const e=this.monthsInYear(n);return e>this.monthsInYear(n-1)&&e>this.monthsInYear(n+1)}},japanese:class extends fn{constructor(){super(...arguments),this.format=_t("japanese")}era(n,e,t){const o=G(n,e,t);return o<eo?super.era(n,e,t):Bn(Un(this.format,o).era)}}},oo={iso8601:hn};function ro(n,e,t,o){let r=0,i=0,s=0,a=0;switch(o){case 9:r=function(n,e,t){const[,o,r]=Ht(e.year,n.month,n.day,t,0),i=qt(e,n),s=j(e.month,o)||j(e.day,r);return e.year-n.year-(s&&i&&s!==i?i:0)}(n,e,t),n=xt(n,r,t,0);case 8:i=function(n,e,t){let o=0;const r=qt(e,n);if(r){let{year:i}=n;for(;i!==e.year;)o+=t.monthsInYear(i)*r,i+=r;const[,s,a]=Ht(e.year,n.month,n.day,t,0);o+=e.month-s;const c=j(e.day,a);c&&r&&c!==r&&(o-=r)}return o}(n,e,t),n=Rt(n,i,t,0)}return a=X(t.epochMilliseconds(n.year,n.month,n.day),t.epochMilliseconds(e.year,e.month,e.day)),7===o&&(s=Math.trunc(a/7),a%=7),new Duration(r,i,s,a)}function io(n,e,t){const o=7+e-t;return-$(nn(n,1,o)-e,7)+o-1}function so(n,e,t){const o=io(n,e,t),r=io(n+1,e,t);return(Qt(hn,n)-o+r)/7}var[ao,co]=d(),Calendar2=class extends g{constructor(n){super(),"islamicc"===n&&(n="islamic-civil"),co(this,function(n){const e=(n=String(n)).toLocaleLowerCase();return oo[e]||(oo[e]=new(to[e]||Xt)(n))}(n))}static from(n){if("object"==typeof n&&n)return function(n){return n.calendar}(n)?function(n){if("object"==typeof n&&n){if("string"==typeof n.id)return n;throw new RangeError("Invalid calendar")}return new Calendar2(String(n))}(n.calendar):n;const e=ke(String(n));return new Calendar2(e?e.calendar||"iso8601":n)}get id(){return ao(this).id}era(n){const e=Kt(n,!0);return ao(this).era(e.isoYear,e.isoMonth,e.isoDay)}eraYear(n){const e=Kt(n,!0);return ao(this).eraYear(e.isoYear,e.isoMonth,e.isoDay)}year(n){const e=Kt(n,!0);return ao(this).year(e.isoYear,e.isoMonth,e.isoDay)}month(n){const e=Kt(n,!0);return ao(this).month(e.isoYear,e.isoMonth,e.isoDay)}monthCode(n){const e=Gt(n,this);return ao(this).monthCode(e.month,e.year)}day(n){const e=Kt(n);return ao(this).day(e.isoYear,e.isoMonth,e.isoDay)}dayOfWeek(n){const e=Kt(n,!0);return nn(e.isoYear,e.isoMonth,e.isoDay)}dayOfYear(n){const e=Gt(n,this,!0);return Vt(ao(this),e.year,e.month,e.day)}weekOfYear(n){const e=Kt(n,!0);return function(n,e,t,o,r){const i=io(n,o,r),s=Math.floor((Vt(hn,n,e,t)-i-1)/7)+1;if(s<1)return s+so(n-1,o,r);const a=so(n,o,r);return s>a?s-a:s}(e.isoYear,e.isoMonth,e.isoDay,1,4)}daysInWeek(n){return Kt(n,!0),7}daysInMonth(n){const e=Gt(n,this,!0);return ao(this).daysInMonth(e.year,e.month)}daysInYear(n){const e=Gt(n,this,!0);return Qt(ao(this),e.year)}monthsInYear(n){const e=Gt(n,this,!0);return ao(this).monthsInYear(e.year)}inLeapYear(n){return ao(this).inLeapYear(this.year(n))}dateFromFields(n,e){const t=Jt(n,ao(this),e);return new PlainDate(t.isoYear,t.isoMonth,t.isoDay,this)}yearMonthFromFields(n,e){const t=Jt({...n,day:1},ao(this),e);return new PlainYearMonth(t.isoYear,t.isoMonth,this,t.isoDay)}monthDayFromFields(n,e){const t=ao(this);let{era:o,eraYear:r,year:i,monthCode:s,day:a}=n;if(void 0===a)throw new TypeError("required property 'day' missing or undefined");void 0!==o&&void 0!==r&&(i=t.convertEraYear(r,o));let c=i;if(void 0===c){if(void 0===s)throw new TypeError("either year or monthCode required with month");c=t.guessYearForMonthDay(s,a)}const u=Jt({...n,year:c},t,e);return new PlainMonthDay(u.isoMonth,u.isoDay,this,t.normalizeISOYearForMonthDay(u.isoYear))}dateAdd(n,e,t){const o=ao(this),r=Bt(m(PlainDate,n,t),m(Duration,e),o,u(t));return new PlainDate(r.isoYear,r.isoMonth,r.isoDay,this)}dateUntil(n,e,t){const r=ao(this),i=m(PlainDate,n),s=m(PlainDate,e),a=x(o(t).largestUnit,6,6,9);return mo(fo(i,s),this),ro(i,s,r,a)}toString(){return this.id}};function uo(){return new Calendar2("iso8601")}function ho(n){return void 0===n.calendar?uo():m(Calendar2,n.calendar)}function fo(n,e){const{calendar:t}=n;return mo(t,e.calendar),t}function lo(n,e){const t=n.calendar,o=e.calendar;if("iso8601"===t.id)return o;if("iso8601"===o.id)return t;if(t.id!==o.id)throw new RangeError("Non-ISO calendars incompatible");return t}function mo(n,e){if(n.id!==e.id)throw new RangeError("Calendars must match")}var PlainDateTime=class extends v{constructor(n,e,t,o=0,r=0,i=0,s=0,a=0,u=0,d=uo()){const h=po({isoYear:n,isoMonth:e,isoDay:t,isoHour:o,isoMinute:r,isoSecond:i,isoMillisecond:s,isoMicrosecond:a,isoNanosecond:u},c);en(A(h)),super({...h,calendar:m(Calendar2,d)})}static from(n,e){const o=u(e);return go(n instanceof PlainDateTime?n.getISOFields():"object"==typeof n?yo(t(n,wn),e,o,ho(n)):Ue(Be(String(n))))}static compare(n,e){return vo(m(PlainDateTime,n),m(PlainDateTime,e))}with(n,e){return go(yo(wo(a(n,wn),this),e,u(e),this.calendar))}withPlainDate(n){const e=m(PlainDate,n);return go({...this.getISOFields(),...e.getISOFields(),calendar:lo(this,e)})}withPlainTime(n){return go({...this.getISOFields(),...ot(n).getISOFields()})}withCalendar(n){return go({...this.getISOFields(),calendar:m(Calendar2,n)})}add(n,e){return Mo(this,m(Duration,n),e)}subtract(n,e){return Mo(this,m(Duration,n).negated(),e)}until(n,e){return Io(this,m(PlainDateTime,n),e)}since(n,e){return Io(this,m(PlainDateTime,n),e,!0)}round(n){return function(n,e){const t=R(e,void 0,0,6);return So(n,Vn(t),t.roundingMode)}(this,n)}equals(n){return 0===vo(this,m(PlainDateTime,n))}toString(n){const e=In(n),t=ln(n),o=So(this,e.roundingIncrement,e.roundingMode).getISOFields();return ht(o,e)+yt(o.calendar.id,t)}toLocaleString(n,e){return le(this,n,{year:"numeric",month:"numeric",day:"numeric",hour:"numeric",minute:"2-digit",second:"2-digit",...e})}toZonedDateTime(n,e){const t=m(TimeZone,n),o=t.getInstantFor(this,e);return new ZonedDateTime(o.epochNanoseconds,t,this.calendar)}toPlainYearMonth(){return Hn(this.getISOFields())}toPlainMonthDay(){return kn(this.getISOFields())}toPlainDate(){return jt(this.getISOFields())}toPlainTime(){return Ve(this.getISOFields())}};function go(n){return new PlainDateTime(n.isoYear,n.isoMonth,n.isoDay,n.isoHour,n.isoMinute,n.isoSecond,n.isoMillisecond,n.isoMicrosecond,n.isoNanosecond,n.calendar)}function yo(n,e,t,o){return{...o.dateFromFields(n,e).getISOFields(),...tt(n,t)}}function wo(n,e){return{...Lt(n,e),..._e(n,e)}}function po(n,e){return{...$t(n,e),...Xe(n,e)}}function vo(n,e){return j(A(n.getISOFields()),A(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}function Mo(n,e,t){const{calendar:o}=n,r=Zt(e),i=Et(e);return go({...J(A(o.dateAdd(jt(n.getISOFields()),r,t).getISOFields())+it(n)+it(i)),calendar:o})}function Io(n,e,t,o){const r=k(t,6,0,0,9);return Jn(oe(n,e,r.largestUnit),r,n,e,o)}function So(n,e,t){const o=Kn(n,e,t);return go(Xn(n.getISOFields(),o))}function Fo(n,e){return j(n.epochNanoseconds,e.epochNanoseconds)}function Oo(n,e){if(Nt(e)>=6)throw new RangeError("Duration cant have units larger than days");return new Instant(n.epochNanoseconds+it(Et(e)))}function Do(n,e,t){const o=k(t,3,0,0,5,!0);return Tt(Qn(e.epochNanoseconds-n.epochNanoseconds,o),o.largestUnit)}Nn(PlainDateTime,E),bn(PlainDateTime,Yn);var[No,To]=d(),Instant=class extends y{constructor(n){var e;super(),n=BigInt(n),((e=n)<-8640000000000000000000n||e>8640000000000000000000n)&&rn(),To(this,n)}static from(n){if(n instanceof Instant)return new Instant(n.epochNanoseconds);const e=Be(String(n)),t=e.offset;if(void 0===t)throw new RangeError("Must specify an offset");return new Instant(A(po(e,c))-BigInt(t))}static fromEpochSeconds(n){return new Instant(BigInt(n)*S)}static fromEpochMilliseconds(n){return new Instant(BigInt(n)*I)}static fromEpochMicroseconds(n){return new Instant(n*M)}static fromEpochNanoseconds(n){return new Instant(n)}static compare(n,e){return Fo(m(Instant,n),m(Instant,e))}get epochNanoseconds(){return No(this)}add(n){return Oo(this,m(Duration,n))}subtract(n){return Oo(this,m(Duration,n).negated())}until(n,e){return Do(this,m(Instant,n),e)}since(n,e){return Do(m(Instant,n),this,e)}round(n){return function(n,e){const t=R(e,void 0,0,5,!1,!0),[o,r]=dt(n.epochNanoseconds);return new Instant(o+Qn(r,t))}(this,n)}equals(n){return 0===Fo(this,m(Instant,n))}toString(n){const e=o(n).timeZone;return this.toZonedDateTimeISO(e??"UTC").toString({...n,offset:void 0===e?"never":"auto",timeZoneName:"never"})+(void 0===e?"Z":"")}toLocaleString(n,e){return new ue(n,{year:"numeric",month:"numeric",day:"numeric",hour:"numeric",minute:"2-digit",second:"2-digit",...e}).format(this.epochMilliseconds)}toZonedDateTimeISO(n){return new ZonedDateTime(this.epochNanoseconds,n)}toZonedDateTime(n){if(!i(n))throw new TypeError("Must specify options");if(void 0===n.calendar)throw new TypeError("Must specify a calendar");if(void 0===n.timeZone)throw new TypeError("Must specify a timeZone");return new ZonedDateTime(this.epochNanoseconds,n.timeZone,n.calendar)}};function Yo(n){return Instant.fromEpochMilliseconds(n.valueOf())}function bo(n=Po()){return Uo().toZonedDateTimeISO(n)}function Zo(n,e){if(void 0===n)throw new RangeError("Must specify calendar");return Uo().toZonedDateTime({calendar:n,timeZone:e??Po()})}function Eo(n=Po()){return bo(n).toPlainDateTime()}function Co(n,e){return Zo(n,e).toPlainDateTime()}function Uo(){return new Instant(BigInt(Date.now())*M)}function Po(){return new TimeZone((new ue).resolvedOptions().timeZone)}Fn(Instant);var Bo={zonedDateTimeISO:bo,zonedDateTime:Zo,plainDateTimeISO:Eo,plainDateTime:Co,plainDateISO:function(n=Po()){return Eo(n).toPlainDate()},plainDate:function(n,e){return Co(n,e).toPlainDate()},plainTimeISO:function(n=Po()){return Uo().toZonedDateTimeISO(n).toPlainTime()},instant:Uo,timeZone:Po};export{Calendar2 as Calendar,Duration,Instant,Bo as Now,ue as OrigDateTimeFormat,PlainDate,PlainDateTime,PlainMonthDay,PlainTime,PlainYearMonth,TimeZone,ZonedDateTime,Yo as dateToTemporalInstant,le as formatUnzoned,fe as formatZoned,he as normalizeIntlDateArg,de as normalizeIntlOptionalDateArg};
+function n(n,e,t){const r=function(n,e,t){return(o,r)=>{if(void 0===o){const e=r??t;if(void 0===e)throw new RangeError(`Must specify a ${n}`);return e}if(void 0===e[o])throw new RangeError(`Invalid ${n}: ${o}`);return e[o]}}(n,e,t);return(e,t)=>{const i=o(e);return r(i[n],t)}}function e(n,e,t,o){if(void 0===n)return e;if(!Number.isFinite(n))throw new RangeError("Number must be finite");n=Math.trunc(n);const r=Math.min(Math.max(n,e),t);if(r!==n&&o===c)throw new RangeError("Invalid overflowed value "+n);return r}function t(n,e){const t={};let o=0;for(const r in e)void 0!==n[r]&&(t[r]=e[r](n[r]),o++);if(!o)throw new TypeError("Invalid object, no keys");return t}function o(n){if(void 0===n)return{};if(!i(n))throw TypeError("options must be an object or undefined");return n}var r=/object|function/;function i(n){return null!==n&&r.test(typeof n)}var s=["calendar","timeZone"];function a(n,e){for(const e of s)if(void 0!==n[e])throw new TypeError(`Disallowed field ${e}`);return t(n,e)}var c=1,u=n("overflow",{constrain:0,reject:1},0);function d(){const n=new WeakMap;return[n.get.bind(n),n.set.bind(n)]}function h(n,e){Object.defineProperties(n.prototype,f(e,(n=>({get:n}))))}function f(n,e){const t={};for(const o in n)t[o]=e(n[o],o);return t}function l(n,e){const t={};return n.forEach(((n,o)=>{t[n]=e(n,o)})),t}function m(n,e,...t){return e instanceof n?e:n.from(e,...t)}var g=class{toJSON(){return this.toString()}},y=class extends g{valueOf(){throw new Error("Cannot convert object using valueOf")}},[w,p]=d(),v=class extends y{constructor(n){super(),p(this,Object.freeze(n))}getISOFields(){return w(this)}},I=1000n,M=1000000n,S=1000000000n,F=60000000000n,O=3600000000000n,D=86400000000000n,b=[1,1e3,1e6,1e9,6e10,36e11,864e11],N=[9,6,3];function T(n){return n<=6}function Y(n){return n>=6}var Z=n("roundingMode",{halfExpand:Math.round,ceil:Math.ceil,trunc:Math.trunc,floor:Math.floor}),E=["nanosecond","microsecond","millisecond","second","minute","hour"],C=[...E,"day","week","month","year"],U=C.map((n=>n+"s")),B=l(C,((n,e)=>e)),P=l(U,((n,e)=>e));function R(n,e,t,o){let r;if(void 0===n){if(void 0===e)throw new RangeError("Unit is required");r=e}else if(r=B[n]??P[n],void 0===r||r<t||r>o)throw new RangeError("Invalid unit "+n);return r}function x(n,e,t,r,s,a){if(void 0===e&&!i(n))throw new TypeError("Need rounding options");const c=o(n),u=c.roundingIncrement??1,d=R(c.smallestUnit,e,t,r);if(!s&&a){if(d<6&&864e11%u*b[d])throw new RangeError("Increment must evenly divide into 24 hours")}else{if(d<6?b[d+1]%u:!s&&1!==u)throw new RangeError("roundingIncrement does not divide evenly into next highest unit");if(d<6&&u*b[d]>=b[d+1])throw new RangeError("roundingIncrement must be less than next highest 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tn(n){return isNaN(n.valueOf())}function on(){throw new RangeError("Date outside of supported range")}function rn(n,e){return String(n).padStart(e,"0")}function sn(n){return n<0?"-":"+"}var an={gregory:{bce:-1,ce:0},ethioaa:{era0:0},ethiopic:{era0:0,era1:5500},coptic:{era0:-1,era1:0},roc:{beforeroc:-1,minguo:0},buddhist:{be:0},islamic:{ah:0},indian:{saka:0},persian:{ap:0},japanese:{bce:-1,ce:0,meiji:1867,taisho:1911,showa:1925,heisei:1988,reiwa:2018}},cn=class{constructor(n){this.id=n}monthCode(n,e){return"M"+rn(n,2)}convertMonthCode(n,e){const t=/L$/.test(n),o=parseInt(n.substr(1));if(t)throw new RangeError("Calendar system doesnt support leap months");return[o,!1]}};function un(n,e,t,o){let r=an[dn(n)]?.[t];if(void 0===r){if(!o)throw new Error("Unkown era "+t);r=0}return(r+e)*(L(r)||1)}function dn(n){return n.split("-")[0]}var hn=class extends cn{computeFields(n){const e=K(n);return{era:void 0,eraYear:void 0,year:e.isoYear,month:e.isoMonth,day:e.isoDay}}epochMilliseconds(n,e,t){return G(n,e,t)}daysInMonth(n,e){return 2===e?this.inLeapYear(n)?29:28:4===e||6===e||9===e||11===e?30:31}monthsInYear(){return 12}inLeapYear(n){return n%4==0&&(n%100!=0||n%400==0)}guessYearForMonthDay(){return 1972}normalizeISOYearForMonthDay(){return 1972}},fn=new hn("iso8601"),ln=class extends hn{computeFields(n){const e=super.computeFields(n),{year:t}=e;return{...e,era:t<1?"bce":"ce",eraYear:t<1?-(t-1):t}}},mn=n("calendarName",{auto:0,never:1,always:2},0),gn={era:String,eraYear:Number,year:Number,month:Number,monthCode:String},yn={...gn,day:Number},wn={hour:Number,minute:Number,second:Number,millisecond:Number,microsecond:Number,nanosecond:Number},pn={...yn,...wn},vn={...pn,offset:String},In=l(U,(()=>Number)),Mn=n("offset",{prefer:0,use:1,ignore:2,reject:3});function Sn(n,t=4){const r=o(n),i=r.smallestUnit,s=r.fractionalSecondDigits;let a,u=0,d=1;return void 0!==i?(u=R(i,void 0,0,t),d=b[u],a=N[u]||0):void 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e=Ce.exec(Ve(n));if(e)return{...ze(e),calendar:e[6]?new Calendar2(e[6]):Io()}}(r=String(n))||qe(r)||_e("monthDay",r);var r;return void 0===o.calendar&&(o.isoYear=1972),qn(Re(o))}with(n,e){const t=function(n,e){const t={day:n.day??e.day};void 0!==n.monthCode?(t.monthCode=n.monthCode,void 0!==n.month&&(t.month=n.month)):void 0!==n.month?(t.month=n.month,t.year=n.year):t.monthCode=e.monthCode;return t}(a(n,Ln),this);return this.calendar.monthDayFromFields(t,e)}equals(n){return e=this,t=m(PlainMonthDay,n),e.calendar.id===t.calendar.id&&$(e.getISOFields())===$(t.getISOFields());var e,t}toString(n){const e=this.getISOFields(),t=e.calendar.id,o=mn(n);return("iso8601"===t?function(n){return rn(n.isoMonth,2)+"-"+rn(n.isoDay,2)}(e):gt(e))+vt(t,o)}toLocaleString(n,e){return ye(this,n,{month:"numeric",day:"numeric",...e,weekday:void 0,year:void 0,hour:void 0,minute:void 0,second:void 0},!0)}toPlainDate(n,e){return 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$n(this,m(Duration,n).negated(),e)}until(n,e){return Jt(this.toPlainDate(Hn),m(PlainYearMonth,n).toPlainDate(Hn),k(e,9,8,8,9))}since(n,e){return Jt(this.toPlainDate(Hn),m(PlainYearMonth,n).toPlainDate(Hn),k(e,9,8,8,9),!0)}equals(n){return 0===Wn(this,m(PlainYearMonth,n))}toString(n){const e=this.getISOFields(),t=e.calendar.id,o=mn(n);return("iso8601"===t?yt(e):gt(e))+vt(t,o)}toLocaleString(n,e){return ye(this,n,{year:"numeric",month:"numeric",...e,weekday:void 0,day:void 0,hour:void 0,minute:void 0,second:void 0},!0)}toPlainDate(n){return this.calendar.dateFromFields({year:this.year,month:this.month,day:n.day})}};function $n(n,e,t){return n.toPlainDate({day:e.sign<0?n.daysInMonth:1}).add(e,t).toPlainYearMonth()}function zn(n){return new PlainYearMonth(n.isoYear,n.isoMonth,n.calendar,n.isoDay)}function An(n,e){const t={};let o=!1,r=!1;return void 0===n.era&&void 0===n.eraYear||(t.era=n.era,t.eraYear=n.eraYear,o=!0),void 0!==n.year&&(t.year=n.year,o=!0),o||(t.year=e.year),void 0!==n.month&&(t.month=n.month,r=!0),void 0!==n.monthCode&&(t.monthCode=n.monthCode,r=!0),r||(t.month=e.month),t}function Wn(n,e){return j($(n.getISOFields()),$(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}Nn(PlainYearMonth),Zn(PlainYearMonth,Tn);var[Gn,Jn]=d(),ZonedDateTime=class extends v{constructor(n,e,t=Io()){const o=m(TimeZone,e),r=m(Calendar2,t),i=new Instant(n),s=o.getOffsetNanosecondsFor(i),a=J(n+BigInt(s));kn(a,r.id),super({...a,calendar:r,timeZone:o,offset:o.getOffsetStringFor(i)}),Jn(this,{epochNanoseconds:n,offsetNanoseconds:s})}static from(n,e){const o=Mn(e,3),r=u(e);return te(n instanceof ZonedDateTime?{...n.getISOFields(),offset:n.offsetNanoseconds}:"object"==typeof n?oe(t(n,vn),e,r,So(n),function(n){if(void 0===n.timeZone)throw new TypeError("Must specify timeZone");return m(TimeZone,n.timeZone)}(n)):xe(ke(String(n))),e,o)}static compare(n,e){return j(m(ZonedDateTime,n).epochNanoseconds,m(ZonedDateTime,e).epochNanoseconds)}get timeZone(){return this.getISOFields().timeZone}get epochNanoseconds(){return Gn(this).epochNanoseconds}get offsetNanoseconds(){return Gn(this).offsetNanoseconds}get offset(){return this.getISOFields().offset}with(n,e){const t=a(n,vn),o={...To(r=t,i=this),offset:r.offset??i.offset};var r,i;const s=Mn(e,0),c=u(e);return En(e),te(oe(o,e,c,this.calendar,this.timeZone),e,s)}withPlainDate(n){const e=m(PlainDate,n),t=e.toPlainDateTime(this),{timeZone:o}=this,r=o.getInstantFor(t);return new ZonedDateTime(r.epochNanoseconds,o,Oo(this,e))}withPlainTime(n){return this.toPlainDate().toZonedDateTime({plainTime:n,timeZone:this.timeZone})}withCalendar(n){return new ZonedDateTime(this.epochNanoseconds,this.timeZone,n)}withTimeZone(n){return new ZonedDateTime(this.epochNanoseconds,n,this.calendar)}add(n,e){return re(this,m(Duration,n),e)}subtract(n,e){return re(this,m(Duration,n).negated(),e)}until(n,e){return ie(this,m(ZonedDateTime,n),e)}since(n,e){return ie(this,m(ZonedDateTime,n),e,!0)}round(n){return function(n,e){const t=x(e,void 0,0,6);if(6===t.smallestUnit){const e=function(n,e,t){const o=ct(n);return{day:t(Number(o)/e),hour:0,minute:0,second:0,millisecond:0,microsecond:0,nanosecond:0}}(n,de(n),t.roundingMode);return bo(ee(n.getISOFields(),e)).toZonedDateTime(n.timeZone)}return he(n,ne(t),t.roundingMode)}(this,n)}equals(n){const e=m(ZonedDateTime,n);return this.epochNanoseconds===e.epochNanoseconds&&this.calendar.id===e.calendar.id&&this.timeZone.id===e.timeZone.id}startOfDay(){return te({...this.getISOFields(),...ue,offset:void 0},void 0,3)}get hoursInDay(){return de(this)/36e11}toString(n){const e=Sn(n),t=xn(n),o=Fn(n),r=mn(n),i=he(this,e.roundingIncrement,e.roundingMode).getISOFields();return mt(i,e)+(0===t?i.offset:"")+function(n,e){if(1!==e)return`[${n}]`;return""}(i.timeZone.id,o)+vt(i.calendar.id,r)}toLocaleString(n,e){return ge(this,n,{year:"numeric",month:"numeric",day:"numeric",hour:"numeric",minute:"2-digit",second:"2-digit",...e})}toPlainYearMonth(){return zn(this.getISOFields())}toPlainMonthDay(){return qn(this.getISOFields())}toPlainDateTime(){return bo(this.getISOFields())}toPlainDate(){return Ht(this.getISOFields())}toPlainTime(){return nt(this.getISOFields())}toInstant(){return new Instant(this.epochNanoseconds)}};function Kn(n,e,t,o){const r=U[e],{sign:i}=n,s={};for(let t=9;t>=e;t--){const e=U[t];s[e]=n[e]}const a={[r]:i},c=t.add(s),u=c.add(a),d=Qn(c),h=Qn(u),f=Qn(o),l=Number(f-d)/Number(h-d)*i;return s[r]+=l,s}function Qn(n){const{epochNanoseconds:e}=n;return void 0!==e?e:$(n.getISOFields())}function Vn(n,e,t,o,r){const{largestUnit:i,smallestUnit:s,roundingIncrement:a,roundingMode:c}=e;if(!Y(i))return Zt(_n((ce(o)-ce(t))*(r?-1n:1n),e),i);let u=Kn(n,s,t,o);const d=U[s];function h(){const n=u[d];var e;u[d]=c(n/(e=a))*e}c===Math.round&&h(),r&&(u=xt(u)),c!==Math.round&&h();let f=Ot(u);return s>0&&(f=r?Nt(f.negated(),i,t).negated():Nt(f,i,t)),f}function Xn(n,e,t){return ut(q(ct(n),e,t))}function _n(n,e){return 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Lt({year:n,month:t,day:o},r,i,s){if(r){if(t+=r,r<0)for(;t<1;)t+=i.monthsInYear(--n);else{let e;for(;t>(e=i.monthsInYear(n));)t-=e,n++}o=e(o,1,i.daysInMonth(n,t),s)}return{year:n,month:t,day:o}}function qt(n,e){return e?{...K(_(A(n),e)),calendar:n.calendar}:n}function Ht(n){return new PlainDate(n.isoYear,n.isoMonth,n.isoDay,n.calendar)}function $t(n,e){return{...An(n,e),day:n.day??e.day}}function zt(n,t,o,r,i){return[n=Number(n),t=e(t,1,r.monthsInYear(n),i),o=e(o,1,r.daysInMonth(n,t),i)]}function At(n,e){const[t,o,r]=zt(n.isoYear,n.isoMonth,n.isoDay,fn,e);return{isoYear:t,isoMonth:o,isoDay:r}}function Wt(n,e){return j($(n.getISOFields()),$(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}function Gt(n,e){return j(n.year,e.year)||function(n,e){return j(n.month,e.month)||j(n.day,e.day)}(n,e)}function Jt(n,e,t,o){return Vn(Fo(n,e).dateUntil(n,e,{largestUnit:C[t.largestUnit]}),t,n,e,o)}var PlainDate=class extends v{constructor(n,e,t,o=Io()){const r=At({isoYear:n,isoMonth:e,isoDay:t},c),i=m(Calendar2,o);!function(n,e){const t=$(n);jn(t+(t<0n?86399999999999n:0n)),lo(t,e)}(r,i.id),super({...r,calendar:i})}static from(n,e){if(u(e),n instanceof PlainDate)return Ht(n.getISOFields());if("object"==typeof n){const o=t(n,yn);return So(n).dateFromFields(o,e)}return Ht(Re(ke(String(n))))}static compare(n,e){return Wt(m(PlainDate,n),m(PlainDate,e))}with(n,e){const t=$t(a(n,yn),this);return this.calendar.dateFromFields(t,e)}withCalendar(n){const e=this.getISOFields();return new PlainDate(e.isoYear,e.isoMonth,e.isoDay,n)}add(n,e){return this.calendar.dateAdd(this,n,e)}subtract(n,e){return this.calendar.dateAdd(this,m(Duration,n).negated(),e)}until(n,e){return Jt(this,m(PlainDate,n),k(e,6,6,6,9))}since(n,e){return Jt(this,m(PlainDate,n),k(e,6,6,6,9),!0)}equals(n){return 0===Wt(this,m(PlainDate,n))}toString(n){const e=mn(n),t=this.getISOFields();return gt(t)+vt(t.calendar.id,e)}toLocaleString(n,e){return ye(this,n,{year:"numeric",month:"numeric",day:"numeric",...e,hour:void 0,minute:void 0,second:void 0})}toZonedDateTime(n){return this.toPlainDateTime(n.plainTime).toZonedDateTime(n.timeZone)}toPlainDateTime(n){return bo({...this.getISOFields(),...st(n).getISOFields()})}toPlainYearMonth(){return zn(this.getISOFields())}toPlainMonthDay(){return qn(this.getISOFields())}};function Kt(n){return n instanceof PlainDate||n instanceof PlainDateTime||n instanceof ZonedDateTime||n instanceof PlainYearMonth||n instanceof PlainMonthDay}function Qt(n,e,t){let o;if(n instanceof PlainDate)o=n;else if(Kt(n)){if(t&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");o=Ht(n.getISOFields())}else o=PlainDate.from(n);return Do(o.calendar,e),o}function Vt(n,e,t){if(Kt(n))return n.getISOFields();let{era:o,eraYear:r,year:i,month:s,monthCode:a,day:d}=n;const h=void 0!==r&&void 0!==o?un(e.id,r,o):void 0;if(void 0===i){if(void 0===h)throw new TypeError("Must specify either a year or an era & eraYear");i=h}else if(void 0!==h&&h!==i)throw new RangeError("year and era/eraYear must match");if(void 0===d)throw new TypeError("Must specify day");const f=u(t);if(void 0!==a){const[n,t]=e.convertMonthCode(a,i);if(void 0!==s&&s!==n)throw new RangeError("Month doesnt match with monthCode");if(s=n,t){if(f===c)throw new RangeError("Month code out of range");d=e.daysInMonth(i,s)}}else if(void 0===s)throw new TypeError("Must specify either a month or monthCode");return[i,s,d]=zt(i,s,d,e,f),K(e.epochMilliseconds(i,s,d))}function Xt(n,e){if(Kt(n)){if(e&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");return n.getISOFields()}return PlainDate.from(n).getISOFields()}function _t(n,e){return X(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e+1,1,1))}function no(n,e,t,o){return X(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e,t,o))+1}Nn(PlainDate),Zn(PlainDate,Yn);var eo={hebrew:6,chinese:0,dangi:0},to=class extends cn{constructor(n){const e=oo(n);if(t=n,o=e.resolvedOptions().calendar,dn(t)!==dn(o))throw new RangeError("Invalid calendar: "+n);var t,o;super(n),this.format=e,this.yearCorrection=this.computeFieldsDumb(0).year-1970,this.monthCacheByYear={}}epochMilliseconds(n,e,t){return _(this.queryMonthCache(n)[0][e-1],t-1)}daysInMonth(n,e){const t=this.queryMonthCache(n)[0],o=t[e-1];e>=t.length&&(n++,e=0);return X(o,this.queryMonthCache(n)[0][e])}monthsInYear(n){return this.queryMonthCache(n)[0].length}monthCode(n,e){const t=this.queryLeapMonthByYear(e);return!t||n<t?super.monthCode(n,e):super.monthCode(n-1,e)+(n===t?"L":"")}convertMonthCode(n,e){const t=this.queryLeapMonthByYear(e);let o=/L$/.test(n),r=parseInt(n.substr(1)),i=!1;if(o){const n=eo[this.id];if(void 0===n)throw new RangeError("Calendar system doesnt support leap months");if(n){if(r!==n-1)throw new RangeError("Invalid leap-month month code")}else if(r<=1||r>=12)throw new RangeError("Invalid leap-month month code")}return!o||t&&r===t-1||(i=!0,o=!1),(o||t&&r>=t)&&r++,[r,i]}inLeapYear(n){const e=_t(this,n);return e>_t(this,n-1)&&e>_t(this,n+1)}guessYearForMonthDay(n,e){let t=1970+this.yearCorrection;const o=t+100;for(;t<o;t++){const[o,r]=this.convertMonthCode(n,t);if(!r&&o<=this.monthsInYear(t)&&e<=this.daysInMonth(t,o))return t}throw new Error("Could not guess year")}normalizeISOYearForMonthDay(n){return n}computeFields(n){const e=this.computeFieldsDumb(n),t=this.queryMonthCache(e.year)[2];return{...e,month:t[e.month]}}computeFieldsDumb(n){const e=Bn(this.format,n);let t,o,r=parseInt(e.relatedYear||e.year);var i;return e.era&&(i=this.id,void 0!==an[dn(i)])&&(t=Rn(e.era),o=r,r=un(this.id,o,t,!0)),{era:t,eraYear:o,year:r,month:e.month,day:parseInt(e.day)}}queryLeapMonthByYear(n){const e=this.queryMonthCache(n),t=this.queryMonthCache(n-1),o=this.queryMonthCache(n+1);if(e[0].length>t[0].length&&e[0].length>o[0].length){const n=e[1],o=t[1];for(let e=0;e<o.length;e++)if(o[e]!==n[e])return e+1}}queryMonthCache(n){const{monthCacheByYear:e}=this;return e[n]||(e[n]=this.buildMonthCache(n))}buildMonthCache(n){const e=[],t=[],o={};let r=G(this.guessISOYear(n));for(r=_(r,400);;){const o=this.computeFieldsDumb(r);if(o.year<n)break;r=_(r,1-o.day),o.year===n&&(e.unshift(r),t.unshift(o.month)),r=_(r,-1)}for(let n=0;n<t.length;n++)o[t[n]]=n+1;return[e,t,o]}guessISOYear(n){return n-this.yearCorrection}};function oo(n){return new fe("en-US",{calendar:n,era:"short",year:"numeric",month:"short",day:"numeric",timeZone:"UTC"})}var ro=G(1868,9,8),io={gregory:ln,japanese:class extends ln{constructor(){super(...arguments),this.format=oo("japanese")}computeFields(n){const e=super.computeFields(n);if(n>=ro){const t=Bn(this.format,n);e.era=Rn(t.era),e.eraYear=parseInt(t.relatedYear||t.year)}return e}},islamic:class extends to{guessISOYear(n){return Math.ceil(32*n/33+622)}}},so={iso8601:fn};function ao(n){const e=(n=String(n)).toLocaleLowerCase();return so[e]||(so[e]=new(io[dn(e)]||to)(n))}var co=G(1582,10,15),uo=G(622,7,18),ho={buddhist:co,japanese:co,roc:co,islamic:uo,"islamic-rgsa":uo,indian:0},fo={};function lo(n,e){return mo(Number(n/M),e)}function mo(n,e){if(function(n,e){return function(n){let e=fo[n];if(void 0===e){const t=ho[n];if(void 0===t)e=!1;else{let o=ao(n);o instanceof to||(o=new to(n));const r=t-864e5,i=o.computeFields(r);e=r!==o.epochMilliseconds(i.year,i.month,i.day)}fo[n]=e}return e}(e)&&n<ho[e]}(n,e))throw new RangeError("Invalid timestamp for calendar")}function go(n,e,t,o){let r=0,i=0,s=0,a=0;switch(o){case 9:r=function(n,e,t){const[,o,r]=zt(e.year,n.month,n.day,t,0),i=Gt(e,n),s=j(e.month,o)||j(e.day,r);return e.year-n.year-(s&&i&&s!==i?i:0)}(n,e,t),n=jt(n,r,t,0);case 8:i=function(n,e,t){let o=0;const r=Gt(e,n);if(r){let{year:i}=n;for(;i!==e.year;)o+=t.monthsInYear(i)*r,i+=r;const[,s,a]=zt(e.year,n.month,n.day,t,0);o+=e.month-s;const c=j(e.day,a);c&&r&&c!==r&&(o-=r)}return o}(n,e,t),n=Lt(n,i,t,0)}return a=X(t.epochMilliseconds(n.year,n.month,n.day),t.epochMilliseconds(e.year,e.month,e.day)),7===o&&(s=Math.trunc(a/7),a%=7),new Duration(r,i,s,a)}function yo(n,e,t){const o=7+e-t;return-H(nn(n,1,o)-e,7)+o-1}function wo(n,e,t){const o=yo(n,e,t),r=yo(n+1,e,t);return(_t(fn,n)-o+r)/7}var[po,vo]=d(),Calendar2=class extends g{constructor(n){super(),"islamicc"===n&&(n="islamic-civil"),vo(this,ao(n))}static from(n){if("object"==typeof n&&n)return function(n){return n.calendar}(n)?function(n){if("object"==typeof n&&n){if("string"==typeof n.id)return n;throw new RangeError("Invalid calendar")}return new Calendar2(String(n))}(n.calendar):n;const e=qe(String(n));return new Calendar2(e?e.calendar||"iso8601":n)}get id(){return po(this).id}era(n){const e=Xt(n,!0);return Mo(po(this),e.isoYear,e.isoMonth,e.isoDay).era}eraYear(n){const e=Xt(n,!0);return Mo(po(this),e.isoYear,e.isoMonth,e.isoDay).eraYear}year(n){const e=Xt(n,!0);return Mo(po(this),e.isoYear,e.isoMonth,e.isoDay).year}month(n){const e=Xt(n,!0);return Mo(po(this),e.isoYear,e.isoMonth,e.isoDay).month}monthCode(n){const e=Qt(n,this);return po(this).monthCode(e.month,e.year)}day(n){const e=Xt(n);return Mo(po(this),e.isoYear,e.isoMonth,e.isoDay).day}dayOfWeek(n){const e=Xt(n,!0);return nn(e.isoYear,e.isoMonth,e.isoDay)}dayOfYear(n){const e=Qt(n,this,!0);return no(po(this),e.year,e.month,e.day)}weekOfYear(n){const e=Xt(n,!0);return function(n,e,t,o,r){const i=yo(n,o,r),s=Math.floor((no(fn,n,e,t)-i-1)/7)+1;if(s<1)return s+wo(n-1,o,r);const a=wo(n,o,r);return s>a?s-a:s}(e.isoYear,e.isoMonth,e.isoDay,1,4)}daysInWeek(n){return Xt(n,!0),7}daysInMonth(n){const e=Qt(n,this,!0);return po(this).daysInMonth(e.year,e.month)}daysInYear(n){const e=Qt(n,this,!0);return _t(po(this),e.year)}monthsInYear(n){const e=Qt(n,this,!0);return po(this).monthsInYear(e.year)}inLeapYear(n){return po(this).inLeapYear(this.year(n))}dateFromFields(n,e){const t=Vt(n,po(this),e);return new PlainDate(t.isoYear,t.isoMonth,t.isoDay,this)}yearMonthFromFields(n,e){const t=Vt({...n,day:1},po(this),e);return new PlainYearMonth(t.isoYear,t.isoMonth,this,t.isoDay)}monthDayFromFields(n,e){const t=po(this);let{era:o,eraYear:r,year:i,monthCode:s,day:a}=n;if(void 0===a)throw new TypeError("required property 'day' missing or undefined");void 0!==o&&void 0!==r&&(i=un(t.id,r,o));let c=i;if(void 0===c){if(void 0===s)throw new TypeError("either year or monthCode required with month");c=t.guessYearForMonthDay(s,a)}const u=Vt({...n,year:c},t,e);return new PlainMonthDay(u.isoMonth,u.isoDay,this,t.normalizeISOYearForMonthDay(u.isoYear))}dateAdd(n,e,t){const o=po(this),r=kt(m(PlainDate,n,t),m(Duration,e),o,u(t));return new PlainDate(r.isoYear,r.isoMonth,r.isoDay,this)}dateUntil(n,e,t){const r=po(this),i=m(PlainDate,n),s=m(PlainDate,e),a=R(o(t).largestUnit,6,6,9);return Do(Fo(i,s),this),go(i,s,r,a)}toString(){return this.id}};function Io(){return new Calendar2("iso8601")}function Mo(n,e,t,o){const r=G(e,t,o);return mo(r,n.id),n.computeFields(r)}function So(n){return void 0===n.calendar?Io():m(Calendar2,n.calendar)}function Fo(n,e){const{calendar:t}=n;return Do(t,e.calendar),t}function Oo(n,e){const t=n.calendar,o=e.calendar;if("iso8601"===t.id)return o;if("iso8601"===o.id)return t;if(t.id!==o.id)throw new RangeError("Non-ISO calendars incompatible");return t}function Do(n,e){if(n.id!==e.id)throw new RangeError("Calendars must match")}var PlainDateTime=class extends v{constructor(n,e,t,o=0,r=0,i=0,s=0,a=0,u=0,d=Io()){const h=Yo({isoYear:n,isoMonth:e,isoDay:t,isoHour:o,isoMinute:r,isoSecond:i,isoMillisecond:s,isoMicrosecond:a,isoNanosecond:u},c),f=m(Calendar2,d);kn(h,f.id),super({...h,calendar:f})}static from(n,e){const o=u(e);return bo(n instanceof PlainDateTime?n.getISOFields():"object"==typeof n?No(t(n,pn),e,o,So(n)):Re(ke(String(n))))}static compare(n,e){return Zo(m(PlainDateTime,n),m(PlainDateTime,e))}with(n,e){return bo(No(To(a(n,pn),this),e,u(e),this.calendar))}withPlainDate(n){const e=m(PlainDate,n);return bo({...this.getISOFields(),...e.getISOFields(),calendar:Oo(this,e)})}withPlainTime(n){return bo({...this.getISOFields(),...st(n).getISOFields()})}withCalendar(n){return bo({...this.getISOFields(),calendar:m(Calendar2,n)})}add(n,e){return Eo(this,m(Duration,n),e)}subtract(n,e){return Eo(this,m(Duration,n).negated(),e)}until(n,e){return Co(this,m(PlainDateTime,n),e)}since(n,e){return Co(this,m(PlainDateTime,n),e,!0)}round(n){return function(n,e){const t=x(e,void 0,0,6);return Uo(n,ne(t),t.roundingMode)}(this,n)}equals(n){return 0===Zo(this,m(PlainDateTime,n))}toString(n){const e=Sn(n),t=mn(n),o=Uo(this,e.roundingIncrement,e.roundingMode).getISOFields();return mt(o,e)+vt(o.calendar.id,t)}toLocaleString(n,e){return ye(this,n,{year:"numeric",month:"numeric",day:"numeric",hour:"numeric",minute:"2-digit",second:"2-digit",...e})}toZonedDateTime(n,e){const t=m(TimeZone,n),o=t.getInstantFor(this,e);return new ZonedDateTime(o.epochNanoseconds,t,this.calendar)}toPlainYearMonth(){return zn(this.getISOFields())}toPlainMonthDay(){return qn(this.getISOFields())}toPlainDate(){return Ht(this.getISOFields())}toPlainTime(){return nt(this.getISOFields())}};function bo(n){return new PlainDateTime(n.isoYear,n.isoMonth,n.isoDay,n.isoHour,n.isoMinute,n.isoSecond,n.isoMillisecond,n.isoMicrosecond,n.isoNanosecond,n.calendar)}function No(n,e,t,o){return{...o.dateFromFields(n,e).getISOFields(),...it(n,t)}}function To(n,e){return{...$t(n,e),...tt(n,e)}}function Yo(n,e){return{...At(n,e),...et(n,e)}}function Zo(n,e){return j($(n.getISOFields()),$(e.getISOFields()))||j(n.calendar.id,e.calendar.id)}function Eo(n,e,t){const{calendar:o}=n,r=Ut(e),i=Bt(e);return bo({...J($(o.dateAdd(Ht(n.getISOFields()),r,t).getISOFields())+ct(n)+ct(i)),calendar:o})}function Co(n,e,t,o){const r=k(t,6,0,0,9);return Vn(se(n,e,r.largestUnit),r,n,e,o)}function Uo(n,e,t){const o=Xn(n,e,t);return bo(ee(n.getISOFields(),o))}function Bo(n,e){return j(n.epochNanoseconds,e.epochNanoseconds)}function Po(n,e){if(Yt(e)>=6)throw new RangeError("Duration cant have units larger than days");return new Instant(n.epochNanoseconds+ct(Bt(e)))}function Ro(n,e,t){const o=k(t,3,0,0,5,!0);return Zt(_n(e.epochNanoseconds-n.epochNanoseconds,o),o.largestUnit)}Nn(PlainDateTime,E),Zn(PlainDateTime,Yn);var[xo,ko]=d(),Instant=class extends y{constructor(n){var e;super(),n=BigInt(n),((e=n)<-8640000000000000000000n||e>8640000000000000000000n)&&on(),ko(this,n)}static from(n){if(n instanceof Instant)return new Instant(n.epochNanoseconds);const e=ke(String(n)),t=e.offset;if(void 0===t)throw new RangeError("Must specify an offset");return new Instant($(Yo(e,c))-BigInt(t))}static fromEpochSeconds(n){return new Instant(BigInt(n)*S)}static fromEpochMilliseconds(n){return new Instant(BigInt(n)*M)}static fromEpochMicroseconds(n){return new Instant(n*I)}static fromEpochNanoseconds(n){return new Instant(n)}static compare(n,e){return Bo(m(Instant,n),m(Instant,e))}get epochNanoseconds(){return xo(this)}add(n){return Po(this,m(Duration,n))}subtract(n){return Po(this,m(Duration,n).negated())}until(n,e){return Ro(this,m(Instant,n),e)}since(n,e){return Ro(m(Instant,n),this,e)}round(n){return function(n,e){const t=x(e,void 0,0,5,!1,!0),[o,r]=lt(n.epochNanoseconds);return new Instant(o+_n(r,t))}(this,n)}equals(n){return 0===Bo(this,m(Instant,n))}toString(n){const e=o(n).timeZone;return this.toZonedDateTimeISO(e??"UTC").toString({...n,offset:void 0===e?"never":"auto",timeZoneName:"never"})+(void 0===e?"Z":"")}toLocaleString(n,e){return new fe(n,{year:"numeric",month:"numeric",day:"numeric",hour:"numeric",minute:"2-digit",second:"2-digit",...e}).format(this.epochMilliseconds)}toZonedDateTimeISO(n){return new ZonedDateTime(this.epochNanoseconds,n)}toZonedDateTime(n){if(!i(n))throw new TypeError("Must specify options");if(void 0===n.calendar)throw new TypeError("Must specify a calendar");if(void 0===n.timeZone)throw new TypeError("Must specify a timeZone");return new ZonedDateTime(this.epochNanoseconds,n.timeZone,n.calendar)}};function jo(n){return Instant.fromEpochMilliseconds(n.valueOf())}function Lo(n=Ao()){return zo().toZonedDateTimeISO(n)}function qo(n,e){if(void 0===n)throw new RangeError("Must specify calendar");return zo().toZonedDateTime({calendar:n,timeZone:e??Ao()})}function Ho(n=Ao()){return Lo(n).toPlainDateTime()}function $o(n,e){return qo(n,e).toPlainDateTime()}function zo(){return new Instant(BigInt(Date.now())*M)}function Ao(){return new TimeZone((new fe).resolvedOptions().timeZone)}On(Instant);var Wo={zonedDateTimeISO:Lo,zonedDateTime:qo,plainDateTimeISO:Ho,plainDateTime:$o,plainDateISO:function(n=Ao()){return Ho(n).toPlainDate()},plainDate:function(n,e){return $o(n,e).toPlainDate()},plainTimeISO:function(n=Ao()){return zo().toZonedDateTimeISO(n).toPlainTime()},instant:zo,timeZone:Ao};export{Calendar2 as Calendar,Duration,Instant,Wo as Now,fe as OrigDateTimeFormat,PlainDate,PlainDateTime,PlainMonthDay,PlainTime,PlainYearMonth,TimeZone,ZonedDateTime,jo as dateToTemporalInstant,ye as formatUnzoned,ge as formatZoned,me as normalizeIntlDateArg,le as normalizeIntlOptionalDateArg};
 //# sourceMappingURL=impl.js.map

package.json

 {
   "name": "temporal-polyfill",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "title": "Temporal Polyfill",
@@ -5,0 +5,0 @@ "description": "A spec-compliant Temporal JavaScript polyfill in less than 15kb",

README.md

@@ -8,3 +8,7 @@
 
+[Codepen](https://codepen.io/arshaw/pen/VwrMQPJ?editors=1111)
 
+[CDN link](https://cdn.jsdelivr.net/npm/temporal-polyfill@0.0.3/dist/global.js)
+
+
 ## Installation
@@ -35,3 +39,3 @@
 
-The above techniques try using the built-in `Temporal` object and fall back to the polyfill.
+**C)** The above techniques try using the built-in `Temporal` object and fall back to the polyfill.
 To guarantee using the polyfill, do this:
@@ -38,0 +42,0 @@

src/calendarImpl/calendarImpl.ts

@@ -5,2 +5,18 @@ import { numSign } from '../utils/math'
 
+export interface CalendarImplFields { // like DateFields, but without monthCode
+  era: string | undefined
+  eraYear: number | undefined
+  year: number
+  month: number
+  day: number
+}
+
+export interface CalendarImplFieldsDumb { // like CalendarImplFields, but with month string
+  era: string | undefined
+  eraYear: number | undefined
+  year: number,
+  month: string,
+  day: number
+}
+
 export abstract class CalendarImpl {
@@ -11,15 +27,5 @@ constructor(
 
-  era(_isoYear: number, _isoMonth: number, _isoDay: number): string | undefined {
-    return undefined
-  }
-
-  eraYear(_isoYear: number, _isoMonth: number, _isoDay: number): number | undefined {
-    return undefined
-  }
-
   // ISO -> Calendar-dependent
 
-  abstract year(isoYear: number, isoMonth: number, isoDay: number): number
-  abstract month(isoYear: number, isoMonth: number, isoDay: number): number
-  abstract day(isoYear: number, isoMonth: number, isoDay: number): number
+  abstract computeFields(epochMilli: number): CalendarImplFields
 
@@ -43,21 +49,47 @@ // Calendar-dependent computation
   // not responsible for constraining
-  convertMonthCode(monthCode: string, _year: number): number {
-    return parseInt(monthCode.substr(1)) // chop off 'M'
+  // TODO: throw error when not starting with M?
+  convertMonthCode(monthCode: string, _year: number): [
+    number, // month
+    boolean, // unusedLeap (a valid 'L', but not used in this year)
+  ] {
+    // TODO: more DRY
+    const monthCodeIsLeap = /L$/.test(monthCode)
+    const monthCodeInt = parseInt(monthCode.substr(1)) // chop off 'M'
+
+    if (monthCodeIsLeap) {
+      throw new RangeError('Calendar system doesnt support leap months') // TODO: more DRY
+    }
+
+    return [monthCodeInt, false]
   }
+}
 
-  // eraYear -> year
-  convertEraYear(eraYear: number, era: string, errorUnknownEra?: boolean): number {
-    let origin = eraOrigins[this.id]?.[era]
+// eraYear -> year
+export function convertEraYear(
+  calendarID: string,
+  eraYear: number,
+  era: string,
+  fromDateTimeFormat?: boolean,
+): number {
+  let origin = eraOrigins[getCalendarIDBase(calendarID)]?.[era]
 
-    if (origin === undefined) {
-      if (errorUnknownEra) {
-        throw new Error('Unkown era ' + era)
-      } else {
-        origin = 0
-      }
+  if (origin === undefined) {
+    if (fromDateTimeFormat) {
+      origin = 0
+    } else {
+      throw new Error('Unkown era ' + era)
     }
+  }
 
-    // see the origin format in the config file
-    return (origin + eraYear) * (numSign(origin) || 1)
-  }
+  // see the origin format in the config file
+  return (origin + eraYear) * (numSign(origin) || 1)
 }
+
+// TODO: somehow combine with convertEraYear
+export function hasEras(calendarID: string): boolean {
+  return eraOrigins[getCalendarIDBase(calendarID)] !== undefined
+}
+
+export function getCalendarIDBase(calendarID: string): string {
+  return calendarID.split('-')[0]
+}

src/calendarImpl/calendarImplQuery.ts

@@ -1,5 +0,5 @@
-import { CalendarImpl } from './calendarImpl'
+import { CalendarImpl, getCalendarIDBase } from './calendarImpl'
 import { GregoryCalendarImpl } from './gregoryCalendarImpl'
-import { HebrewCalendarImpl } from './hebrewCalendarImpl'
 import { IntlCalendarImpl } from './intlCalendarImpl'
+import { IslamicCalendarImpl } from './islamicCalendarImpl'
 import { isoCalendarID, isoCalendarImpl } from './isoCalendarImpl'
@@ -10,4 +10,4 @@ import { JapaneseCalendarImpl } from './japaneseCalendarImpl'
   gregory: GregoryCalendarImpl,
-  hebrew: HebrewCalendarImpl,
   japanese: JapaneseCalendarImpl,
+  islamic: IslamicCalendarImpl,
 }
@@ -24,3 +24,6 @@
   return implCache[key] ||
-    (implCache[key] = new (implClasses[key] || IntlCalendarImpl)(id))
+    (implCache[key] = new (
+      implClasses[getCalendarIDBase(key)] ||
+      IntlCalendarImpl
+    )(id))
 }

src/calendarImpl/eraOrigins.ts

@@ -27,3 +27,3 @@
   roc: {
-    'before-roc': -1,
+    beforeroc: -1,
     minguo: 0,
@@ -34,2 +34,11 @@ },
   },
+  islamic: {
+    ah: 0,
+  },
+  indian: {
+    saka: 0,
+  },
+  persian: {
+    ap: 0,
+  },
   japanese: {
@@ -36,0 +45,0 @@ bce: -1,

src/calendarImpl/gregoryCalendarImpl.ts

@@ -0,1 +1,2 @@
+import { CalendarImplFields } from './calendarImpl'
 import { ISOCalendarImpl } from './isoCalendarImpl'
@@ -6,9 +7,11 @@
 export class GregoryCalendarImpl extends ISOCalendarImpl {
-  era(isoYear: number, _isoMonth: number, _isoDay: number): string {
-    return isoYear < 1 ? 'bce' : 'ce'
+  computeFields(epochMilli: number): CalendarImplFields {
+    const fields = super.computeFields(epochMilli)
+    const { year } = fields
+    return {
+      ...fields,
+      era: year < 1 ? 'bce' : 'ce',
+      eraYear: year < 1 ? -(year - 1) : year,
+    }
   }
-
-  eraYear(isoYear: number, _isoMonth: number, _isoDay: number): number {
-    return isoYear < 1 ? -(isoYear - 1) : isoYear
-  }
 }

src/calendarImpl/intlCalendarImpl.ts

@@ -10,12 +10,31 @@ import { computeDaysInYear } from '../dateUtils/calendar'
 import { OrigDateTimeFormat } from '../native/intl'
-import { CalendarImpl } from './calendarImpl'
+import {
+  CalendarImpl,
+  CalendarImplFields,
+  CalendarImplFieldsDumb,
+  convertEraYear,
+  getCalendarIDBase,
+  hasEras,
+} from './calendarImpl'
 
+type MonthCache = [
+  number[], // epochMillis
+  string[], // monthStrs
+  { [monthStr: string]: number }, // monthStrToNum (value is 1-based)
+]
+
+const calLeapMonths: { [cal: string]: number } = {
+  hebrew: 6, // consistent month
+  chinese: 0, // zero implies variable month
+  dangi: 0, // "
+}
+
 export class IntlCalendarImpl extends CalendarImpl {
   private format: Intl.DateTimeFormat
 
-  // difference between iso year numbers and the calendar's
+  // difference between iso year numbers and the calendar's at 1980
   private yearCorrection: number
 
   // epochMilli starting points for each month
-  private yearMonthCache: { [year: string]: number[] }
+  private monthCacheByYear: { [year: string]: MonthCache }
 
@@ -31,37 +50,10 @@ constructor(id: string) {
     this.format = format
-    this.yearCorrection = this.computeFields(0).year - isoEpochOriginYear
-    this.yearMonthCache = {}
+    this.yearCorrection = this.computeFieldsDumb(0).year - isoEpochOriginYear
+    this.monthCacheByYear = {}
   }
 
-  era(isoYear: number, isoMonth: number, isoDay: number): string | undefined {
-    const epochMilli = isoToEpochMilli(isoYear, isoMonth, isoDay)
-    return this.computeFields(epochMilli).era
-  }
-
-  eraYear(isoYear: number, isoMonth: number, isoDay: number): number | undefined {
-    const epochMilli = isoToEpochMilli(isoYear, isoMonth, isoDay)
-    return this.computeFields(epochMilli).eraYear
-  }
-
-  year(isoYear: number, isoMonth: number, isoDay: number): number {
-    const epochMilli = isoToEpochMilli(isoYear, isoMonth, isoDay)
-    return this.computeFields(epochMilli).year
-  }
-
-  month(isoYear: number, isoMonth: number, isoDay: number): number {
-    const epochMilli = isoToEpochMilli(isoYear, isoMonth, isoDay)
-    return this.computeFields(epochMilli).month
-  }
-
-  day(isoYear: number, isoMonth: number, isoDay: number): number {
-    const epochMilli = isoToEpochMilli(isoYear, isoMonth, isoDay)
-    return this.computeFields(epochMilli).day
-  }
-
   epochMilliseconds(year: number, month: number, day: number): number {
-    this.ensureYear(year)
+    const epochMillis = this.queryMonthCache(year)[0]
+    const marker = epochMillis[month - 1]
 
-    // will be start-of-month
-    const marker = this.yearMonthCache[year][month - 1]
-
     // move to correct day-of-month
@@ -72,11 +64,8 @@ return addDaysMilli(marker, day - 1)
   daysInMonth(year: number, month: number): number {
-    const { yearMonthCache } = this
-    this.ensureYear(year)
+    const epochMillis = this.queryMonthCache(year)[0]
+    const startMarker = epochMillis[month - 1]
 
-    const monthCache = yearMonthCache[year]
-    const startMarker = monthCache[month - 1]
-
     // The `month` variable, which is 1-based, should now be considered an index for `monthCache`
     // It is +1 from the previous index, used to compute the `endMarker`
-    if (month >= monthCache.length) {
+    if (month >= epochMillis.length) {
       year++
@@ -86,6 +75,3 @@ month = 0
 
-    // In the case month was incremented above,
-    // `ensureCacheForYear` guarantees the next year is at least partially populated
-    const endMarker = yearMonthCache[year][month]
-
+    const endMarker = this.queryMonthCache(year)[0][month]
     return diffDaysMilli(startMarker, endMarker)
@@ -95,6 +81,59 @@ }
   monthsInYear(year: number): number {
-    this.ensureYear(year)
-    return this.yearMonthCache[year].length
+    const epochMillis = this.queryMonthCache(year)[0]
+    return epochMillis.length
   }
 
+  // month -> monthCode
+  monthCode(month: number, year: number): string {
+    const leapMonth = this.queryLeapMonthByYear(year)
+
+    if (!leapMonth || month < leapMonth) {
+      return super.monthCode(month, year)
+    }
+
+    return super.monthCode(month - 1, year) +
+      (month === leapMonth ? 'L' : '')
+  }
+
+  // monthCode -> month
+  convertMonthCode(monthCode: string, year: number): [number, boolean] {
+    const leapMonth = this.queryLeapMonthByYear(year) // 0 if none
+
+    // TODO: more DRY
+    let monthCodeIsLeap = /L$/.test(monthCode)
+    let monthCodeInt = parseInt(monthCode.substr(1)) // chop off 'M'
+    let unusedLeap = false
+
+    // validate the leap-month
+    if (monthCodeIsLeap) {
+      const presetLeapMonth = calLeapMonths[this.id] // TODO: use base ID?
+
+      if (presetLeapMonth === undefined) {
+        throw new RangeError('Calendar system doesnt support leap months')
+      }
+
+      if (presetLeapMonth) {
+        if (monthCodeInt !== presetLeapMonth - 1) {
+          throw new RangeError('Invalid leap-month month code')
+        }
+      } else { // variable leap months (HACK: hardcoded for chinese/dangi)
+        if (monthCodeInt <= 1 || monthCodeInt >= 12) {
+          throw new RangeError('Invalid leap-month month code')
+        }
+      }
+    }
+
+    if (monthCodeIsLeap && !(leapMonth && monthCodeInt === leapMonth - 1)) {
+      unusedLeap = true
+      monthCodeIsLeap = false // yuck
+    }
+
+    if (monthCodeIsLeap || (leapMonth && monthCodeInt >= leapMonth)) {
+      monthCodeInt++
+    }
+
+    return [monthCodeInt, unusedLeap]
+  }
+
+  // TODO: look at number of months too?
   inLeapYear(year: number): boolean {
@@ -111,4 +150,6 @@ const days = computeDaysInYear(this, year)
     for (; year < maxYear; year++) {
-      const month = this.convertMonthCode(monthCode, year)
+      const [month, unusedLeap] = this.convertMonthCode(monthCode, year)
+
       if (
+        !unusedLeap &&
         month <= this.monthsInYear(year) &&
@@ -121,3 +162,3 @@ day <= this.daysInMonth(year, month)
 
-    throw new Error('Could not guess year') // TODO: better
+    throw new Error('Could not guess year') // TODO: better error
   }
@@ -129,48 +170,14 @@
 
-  private ensureYear(year: number): void {
-    const { yearMonthCache, yearCorrection } = this
+  computeFields(epochMilli: number): CalendarImplFields {
+    const dumbFields = this.computeFieldsDumb(epochMilli)
+    const monthStrToNum = this.queryMonthCache(dumbFields.year)[2]
 
-    // since the yearCache is guaranteed to populate an entire year and extra month(s) into the
-    // next year, if two consecutive years are filled, the first year is guaranteed to be populated.
-    if (!yearMonthCache[year] || !yearMonthCache[year + 1]) {
-      // either part-way through the desired year or very slighly before
-      let epochMilli = isoToEpochMilli(year - yearCorrection)
-
-      // ensure marker is in year+1
-      epochMilli = addDaysMilli(epochMilli, 400)
-
-      // will populate the downward until (and including) year
-      this.ensureDown(epochMilli, year)
+    return {
+      ...dumbFields,
+      month: monthStrToNum[dumbFields.month],
     }
   }
 
-  // guarantees cache is populated all the way down (and including) to floorYear
-  private ensureDown(epochMilli: number, floorYear: number) {
-    const { yearMonthCache } = this
-    let fields = this.computeFields(epochMilli)
-
-    for (let y = fields.year; y >= floorYear; y--) {
-      const monthCache = yearMonthCache[y] || (yearMonthCache[y] = [])
-      const floorMonth = monthCache.length + 1
-
-      // as we move down to lower months, don't recompute months we already computed (floorMonth)
-      for (let m = fields.month; m >= floorMonth; m--) {
-        // move to start-of-month
-        epochMilli = addDaysMilli(epochMilli, 1 - fields.day)
-        monthCache[m - 1] = epochMilli
-
-        // move to last day of previous month
-        epochMilli = addDaysMilli(epochMilli, -1)
-        fields = this.computeFields(epochMilli)
-      }
-    }
-  }
-
-  protected computeFields(epochMilli: number): {
-    era: string | undefined,
-    eraYear: number | undefined,
-    year: number,
-    month: number,
-    day: number
-  } {
+  // returns a *string* month, not numeric
+  private computeFieldsDumb(epochMilli: number): CalendarImplFieldsDumb {
     const partHash = hashIntlFormatParts(this.format, epochMilli)
@@ -181,6 +188,6 @@ let era: string | undefined
 
-    if (partHash.era) {
+    if (partHash.era && hasEras(this.id)) {
       era = normalizeShortEra(partHash.era)
       eraYear = year
-      year = this.convertEraYear(eraYear, era)
+      year = convertEraYear(this.id, eraYear, era, true) // fromDateTimeFormat=true
     }
@@ -192,3 +199,3 @@
       year,
-      month: this.parseMonth(partHash.month, year),
+      month: partHash.month,
       day: parseInt(partHash.day),
@@ -198,5 +205,80 @@ }
 
-  protected parseMonth(monthStr: string, _year: number): number {
-    return parseInt(monthStr)
+  // the month number (1-based) that the leap-month falls on
+  // for example, the '3bis' leap month would fall on `4`
+  // TODO: cache somehow?
+  private queryLeapMonthByYear(year: number): number | undefined {
+    const currentCache = this.queryMonthCache(year)
+    const prevCache = this.queryMonthCache(year - 1)
+    const nextCache = this.queryMonthCache(year + 1)
+
+    // in a leap year?
+    // TODO: consolidate with inLeapYear?
+    if (
+      currentCache[0].length > prevCache[0].length &&
+      currentCache[0].length > nextCache[0].length
+    ) {
+      const currentMonthStrs = currentCache[1]
+      const prevMonthStrs = prevCache[1]
+
+      for (let i = 0; i < prevMonthStrs.length; i++) {
+        if (prevMonthStrs[i] !== currentMonthStrs[i]) {
+          return i + 1 // convert to 1-based
+        }
+      }
+    }
+
+    return undefined
   }
+
+  private queryMonthCache(year: number): MonthCache {
+    const { monthCacheByYear } = this
+
+    return monthCacheByYear[year] ||
+      (monthCacheByYear[year] = this.buildMonthCache(year))
+  }
+
+  private buildMonthCache(year: number): MonthCache {
+    const epochMillis: number[] = []
+    const monthStrs: string[] = []
+    const monthStrToNum: { [monthStr: string]: number } = {}
+
+    // either part-way through the desired year or very slightly before
+    let epochMilli = isoToEpochMilli(this.guessISOYear(year))
+
+    // ensure marker is in year+1
+    epochMilli = addDaysMilli(epochMilli, 400)
+
+    // move epochMilli into past through each month
+    while (true) {
+      const fields = this.computeFieldsDumb(epochMilli)
+
+      // stop if month went too far into past
+      if (fields.year < year) {
+        break
+      }
+
+      // move to start-of-month
+      epochMilli = addDaysMilli(epochMilli, 1 - fields.day)
+
+      // only record the epochMilli if NOT in future year
+      if (fields.year === year) {
+        epochMillis.unshift(epochMilli)
+        monthStrs.unshift(fields.month)
+      }
+
+      // move to last day of previous month
+      epochMilli = addDaysMilli(epochMilli, -1)
+    }
+
+    for (let i = 0; i < monthStrs.length; i++) {
+      monthStrToNum[monthStrs[i]] = i + 1
+    }
+
+    return [epochMillis, monthStrs, monthStrToNum]
+  }
+
+  // subclasses that override should round UP
+  protected guessISOYear(year: number): number {
+    return year - this.yearCorrection
+  }
 }
@@ -211,3 +293,3 @@
     year: 'numeric',
-    month: 'numeric',
+    month: 'short', // easier to identify monthCodes
     day: 'numeric',
@@ -221,5 +303,3 @@ timeZone: 'UTC',
 function isRelatedCalendar(specificCalendarID: string, relatedCalendarID: string): boolean {
-  const parts0 = specificCalendarID.split('-')
-  const parts1 = relatedCalendarID.split('-')
-  return parts0[0] === parts1[0]
+  return getCalendarIDBase(specificCalendarID) === getCalendarIDBase(relatedCalendarID)
 }

src/calendarImpl/isoCalendarImpl.ts

@@ -1,17 +0,16 @@
-import { isoEpochLeapYear, isoToEpochMilli } from '../dateUtils/isoMath'
-import { CalendarImpl } from './calendarImpl'
+import { epochMilliToISOFields, isoEpochLeapYear, isoToEpochMilli } from '../dateUtils/isoMath'
+import { CalendarImpl, CalendarImplFields } from './calendarImpl'
 
 export class ISOCalendarImpl extends CalendarImpl {
-  year(isoYear: number): number {
-    return isoYear
+  computeFields(epochMilli: number): CalendarImplFields {
+    const fields = epochMilliToISOFields(epochMilli)
+    return {
+      era: undefined,
+      eraYear: undefined,
+      year: fields.isoYear,
+      month: fields.isoMonth,
+      day: fields.isoDay,
+    }
   }
 
-  month(_isoYear: number, isoMonth: number): number {
-    return isoMonth
-  }
-
-  day(_isoYear: number, _isoMonth: number, isoDay: number): number {
-    return isoDay
-  }
-
   epochMilliseconds(year: number, month: number, day: number): number {
@@ -18,0 +17,0 @@ return isoToEpochMilli(year, month, day)

src/calendarImpl/japaneseCalendarImpl.ts

 import { hashIntlFormatParts, normalizeShortEra } from '../dateUtils/intlFormat'
 import { isoToEpochMilli } from '../dateUtils/isoMath'
+import { CalendarImplFields } from './calendarImpl'
 import { GregoryCalendarImpl } from './gregoryCalendarImpl'
@@ -11,3 +12,2 @@ import { buildFormat } from './intlCalendarImpl'
 but has era names that are Japanese after a certain point.
-FYI, IntlCalendarImpl would have trouble parsing era/eraYears before this point.
 */
@@ -17,10 +17,13 @@ export class JapaneseCalendarImpl extends GregoryCalendarImpl {
 
-  era(isoYear: number, isoMonth: number, isoDay: number): string {
-    const epochMilli = isoToEpochMilli(isoYear, isoMonth, isoDay)
-    return epochMilli < primaryEraMilli
-      ? super.era(isoYear, isoMonth, isoDay)
-      : normalizeShortEra(hashIntlFormatParts(this.format, epochMilli).era)
+  computeFields(epochMilli: number): CalendarImplFields {
+    const fields = super.computeFields(epochMilli)
+
+    if (epochMilli >= primaryEraMilli) {
+      const partHash = hashIntlFormatParts(this.format, epochMilli)
+      fields.era = normalizeShortEra(partHash.era)
+      fields.eraYear = parseInt(partHash.relatedYear || partHash.year) // TODO: more DRY w/ intl
+    }
+
+    return fields
   }
-
-  // TODO: implement eraYear as well
 }

src/dateUtils/calendar.ts

 import { ensureCalendarsEqual } from '../argParse/calendar'
-import { parseOverflowOption } from '../argParse/overflowHandling'
-import { CalendarImpl } from '../calendarImpl/calendarImpl'
+import { OVERFLOW_REJECT, parseOverflowOption } from '../argParse/overflowHandling'
+import { CalendarImpl, convertEraYear } from '../calendarImpl/calendarImpl'
 import { Calendar } from '../public/calendar'
@@ -72,17 +72,42 @@ import { PlainDate } from '../public/plainDate'
   let { era, eraYear, year, month, monthCode, day } = dateLike as Partial<DateFields>
+  const yearFromEra = (eraYear !== undefined && era !== undefined)
+    ? convertEraYear(calendarImpl.id, eraYear, era)
+    : undefined
 
   if (year === undefined) {
-    if (eraYear === undefined || era === undefined) {
+    if (yearFromEra !== undefined) {
+      year = yearFromEra
+    } else {
       throw new TypeError('Must specify either a year or an era & eraYear')
-    } else {
-      year = calendarImpl.convertEraYear(eraYear, era, true) // errorUnknownEra=true
     }
+  } else {
+    if (yearFromEra !== undefined) {
+      if (yearFromEra !== year) {
+        throw new RangeError('year and era/eraYear must match')
+      }
+    }
   }
 
+  if (day === undefined) {
+    throw new TypeError('Must specify day')
+  }
+
+  const overflow = parseOverflowOption(options)
+
   if (monthCode !== undefined) {
-    const m = calendarImpl.convertMonthCode(monthCode, year)
-    if (month !== undefined && month !== m) {
+    const [tryMonth, unusedLeap] = calendarImpl.convertMonthCode(monthCode, year)
+
+    if (month !== undefined && month !== tryMonth) {
       throw new RangeError('Month doesnt match with monthCode')
     }
-    month = m
+
+    month = tryMonth
+
+    if (unusedLeap) {
+      if (overflow === OVERFLOW_REJECT) {
+        throw new RangeError('Month code out of range')
+      }
+      // constrain to last day of month
+      day = calendarImpl.daysInMonth(year, month)
+    }
   } else if (month === undefined) {
@@ -92,10 +117,6 @@ throw new TypeError('Must specify either a month or monthCode')
 
-  if (day === undefined) {
-    throw new TypeError('Must specify day')
-  }
-
   [year, month, day] = constrainDateFields(
     year, month, day,
     calendarImpl,
-    parseOverflowOption(options),
+    overflow,
   )
@@ -102,0 +123,0 @@

src/dateUtils/intlFormat.ts

@@ -24,8 +24,9 @@
 export function normalizeShortEra(formattedEra: string): string {
-  // Example 'Before R.O.C.' -> 'before-roc'
-  formattedEra = formattedEra.toLowerCase()
-    .replace(/[^a-z0-9]g/, '')
-    .replace(/ /g, '-')
+  // Example 'Before R.O.C.' -> 'beforeroc'
+  formattedEra = formattedEra
+    .toLowerCase()
+    .normalize('NFD') // break apart accents, for 'Shōwa' -> 'Showa'
+    .replace(/[^a-z0-9]/g, '')
 
   return eraRemap[formattedEra] || formattedEra
 }

src/dateUtils/isoMath.ts

@@ -5,3 +5,2 @@ import { isoCalendarImpl } from '../calendarImpl/isoCalendarImpl'
 import { numSign, positiveModulo } from '../utils/math'
-import { DateISOEssentials } from './date'
 import {
@@ -211,60 +210,2 @@ milliInDay,
 
-// Validation
-/*
-Extreme valid inputs
-  Legacy Date
-    Date.UTC(-271821, 4 - 1, 20,  0, 0, 0, 0)
-    Date.UTC(275760, 9 - 1, 13,  0, 0, 0, 0)
-  Instant
-    Temporal.Instant.fromEpochMilliseconds(Date.UTC(-271821, 4 - 1, 20,  0, 0, 0, 0))
-    Temporal.Instant.fromEpochMilliseconds(Date.UTC(275760, 9 - 1, 13,  0, 0, 0, 0))
-  PlainDateTime
-    new Temporal.PlainDateTime(-271821, 4, 19,  0, 0, 0, 0, 0, 1).toString()
-    new Temporal.PlainDateTime(275760, 9, 13,  23, 59, 59, 999, 999, 999).toString()
-  PlainDate
-    new Temporal.PlainDate(-271821, 4, 19).toString()
-    new Temporal.PlainDate(275760, 9, 13).toString()
-  PlainYearMonth
-    new Temporal.PlainYearMonth(-271821, 4).toString()
-    new Temporal.PlainYearMonth(275760, 9).toString()
-*/
-
-export function validateYearMonth(isoFields: DateISOEssentials): void {
-  // might throw an error
-  // moves between days in month
-  isoFieldsToEpochNano(isoFields)
-}
-
-export function validateDate(isoFields: DateISOEssentials): void {
-  const nano = isoFieldsToEpochNano(isoFields)
-  validatePlain(
-    // if potentially very negative, measure last nanosecond of day
-    // to increase changes it's in-bounds
-    nano + (nano < 0n ? 86399999999999n : 0n),
-  )
-}
-
-export function validateDateTime(isoFields: DateTimeISOEssentials): void {
-  validatePlain(isoFieldsToEpochNano(isoFields))
-}
-
-export function validateInstant(epochNano: bigint): void {
-  if (
-    epochNano < -8640000000000000000000n ||
-    epochNano > 8640000000000000000000n
-  ) {
-    throwOutOfRange()
-  }
-}
-
-export function validatePlain(epochNano: bigint): void {
-  // like validateInstant's bounds, but expanded 24:59:59.999999999
-  if (
-    epochNano < -8640000086399999999999n ||
-    epochNano > 8640000086399999999999n
-  ) {
-    throwOutOfRange()
-  }
-}
-
 function nudgeToLegacyDate(epochMilli: number): [Date, number] {
@@ -297,4 +238,4 @@ const sign = numSign(epochMilli)
 
-function throwOutOfRange() {
+export function throwOutOfRange(): void {
   throw new RangeError('Date outside of supported range')
 }

src/public/calendar.ts

@@ -10,3 +10,4 @@ import {
 import { parseUnit } from '../argParse/unitStr'
-import { CalendarImpl } from '../calendarImpl/calendarImpl'
+import { checkEpochMilliBuggy } from '../calendarImpl/bugs'
+import { CalendarImpl, CalendarImplFields, convertEraYear } from '../calendarImpl/calendarImpl'
 import { queryCalendarImpl } from '../calendarImpl/calendarImplQuery'
@@ -24,3 +25,3 @@ import { isoCalendarID } from '../calendarImpl/isoCalendarImpl'
 import { diffDateFields } from '../dateUtils/diff'
-import { computeISODayOfWeek } from '../dateUtils/isoMath'
+import { computeISODayOfWeek, isoToEpochMilli } from '../dateUtils/isoMath'
 import { MonthDayFields } from '../dateUtils/monthDay'
@@ -55,3 +56,3 @@ import { tryParseDateTimeISO } from '../dateUtils/parse'
 
-    if (id === 'islamicc') { // deprecated
+    if (id === 'islamicc') { // deprecated... TODO: use conversion map
       id = 'islamic-civil'
@@ -83,7 +84,8 @@ }
     const isoFields = getExistingDateISOFields(arg, true) // disallowMonthDay=true
-    return getImpl(this).era(
+    return isoToEpochNanoSafe(
+      getImpl(this),
       isoFields.isoYear,
       isoFields.isoMonth,
       isoFields.isoDay,
-    )
+    ).era
   }
@@ -93,7 +95,8 @@
     const isoFields = getExistingDateISOFields(arg, true) // disallowMonthDay=true
-    return getImpl(this).eraYear(
+    return isoToEpochNanoSafe(
+      getImpl(this),
       isoFields.isoYear,
       isoFields.isoMonth,
       isoFields.isoDay,
-    )
+    ).eraYear
   }
@@ -103,7 +106,8 @@
     const isoFields = getExistingDateISOFields(arg, true) // disallowMonthDay=true
-    return getImpl(this).year(
+    return isoToEpochNanoSafe(
+      getImpl(this),
       isoFields.isoYear,
       isoFields.isoMonth,
       isoFields.isoDay,
-    )
+    ).year
   }
@@ -113,7 +117,8 @@
     const isoFields = getExistingDateISOFields(arg, true) // disallowMonthDay=true
-    return getImpl(this).month(
+    return isoToEpochNanoSafe(
+      getImpl(this),
       isoFields.isoYear,
       isoFields.isoMonth,
       isoFields.isoDay,
-    )
+    ).month
   }
@@ -128,7 +133,8 @@
     const isoFields = getExistingDateISOFields(arg)
-    return getImpl(this).day(
+    return isoToEpochNanoSafe(
+      getImpl(this),
       isoFields.isoYear,
       isoFields.isoMonth,
       isoFields.isoDay,
-    )
+    ).day
   }
@@ -213,3 +219,3 @@
     if (era !== undefined && eraYear !== undefined) {
-      year = impl.convertEraYear(eraYear, era) // maybe do errorOnUnknown???
+      year = convertEraYear(impl.id, eraYear, era)
     }
@@ -273,1 +279,15 @@
 }
+
+// utils
+
+// TODO: can we eliminate this now that it's checked in public date classes?
+function isoToEpochNanoSafe(
+  calendarImpl: CalendarImpl,
+  isoYear: number,
+  isoMonth: number,
+  isoDay: number,
+): CalendarImplFields {
+  const epochMilli = isoToEpochMilli(isoYear, isoMonth, isoDay)
+  checkEpochMilliBuggy(epochMilli, calendarImpl.id)
+  return calendarImpl.computeFields(epochMilli)
+}

src/public/instant.ts

@@ -6,3 +6,4 @@ import { OVERFLOW_REJECT } from '../argParse/overflowHandling'
 import { addToInstant, compareInstants, diffInstants, roundInstant } from '../dateUtils/instant'
-import { isoFieldsToEpochNano, validateInstant } from '../dateUtils/isoMath'
+import { validateInstant } from '../dateUtils/isoFieldValidation'
+import { isoFieldsToEpochNano } from '../dateUtils/isoMath'
 import { ComputedEpochFields, mixinEpochFields } from '../dateUtils/mixins'
@@ -9,0 +10,0 @@ import { parseDateTimeISO } from '../dateUtils/parse'

src/public/now.ts

@@ -1,2 +0,2 @@
-import { nanoInMicroBI } from '../dateUtils/units'
+import { nanoInMilliBI } from '../dateUtils/units'
 import { OrigDateTimeFormat } from '../native/intl'
@@ -46,3 +46,3 @@ import { Instant } from './instant'
 function getInstant(): Instant {
-  return new Instant(BigInt(Date.now()) * nanoInMicroBI)
+  return new Instant(BigInt(Date.now()) * nanoInMilliBI)
 }
@@ -49,0 +49,0 @@

src/public/plainDate.ts

@@ -16,4 +16,4 @@ import { extractCalendar } from '../argParse/calendar'
 import { createDateTime } from '../dateUtils/dateTime'
+import { validateDate } from '../dateUtils/isoFieldValidation'
 import { formatCalendarID, formatDateISO } from '../dateUtils/isoFormat'
-import { validateDate } from '../dateUtils/isoMath'
 import {
@@ -62,6 +62,9 @@ DateCalendarFields,
     const constrained = constrainDateISO({ isoYear, isoMonth, isoDay }, OVERFLOW_REJECT)
-    validateDate(constrained)
+    const calendar = ensureObj(Calendar, calendarArg)
+
+    validateDate(constrained, calendar.id)
+
     super({
       ...constrained,
-      calendar: ensureObj(Calendar, calendarArg),
+      calendar,
     })
@@ -68,0 +71,0 @@ }

src/public/plainDateTime.ts

@@ -21,4 +21,4 @@ import { extractCalendar, getStrangerCalendar } from '../argParse/calendar'
 } from '../dateUtils/dateTime'
+import { validateDateTime } from '../dateUtils/isoFieldValidation'
 import { formatCalendarID, formatDateTimeISO } from '../dateUtils/isoFormat'
-import { validateDateTime } from '../dateUtils/isoMath'
 import {
@@ -86,6 +86,9 @@ DateCalendarFields,
     }, OVERFLOW_REJECT)
-    validateDateTime(constrained)
+    const calendar = ensureObj(Calendar, calendarArg)
+
+    validateDateTime(constrained, calendar.id)
+
     super({
       ...constrained,
-      calendar: ensureObj(Calendar, calendarArg),
+      calendar,
     })
@@ -92,0 +95,0 @@ }

src/public/plainYearMonth.ts

@@ -10,4 +10,4 @@ import { extractCalendar } from '../argParse/calendar'
 import { constrainDateISO, diffDates } from '../dateUtils/date'
+import { validateYearMonth } from '../dateUtils/isoFieldValidation'
 import { formatCalendarID, formatDateISO, formatYearMonthISO } from '../dateUtils/isoFormat'
-import { validateYearMonth } from '../dateUtils/isoMath'
 import {
@@ -59,6 +59,9 @@ YearMonthCalendarFields,
     }, OVERFLOW_REJECT)
-    validateYearMonth(constrained)
+    const calendar = ensureObj(Calendar, calendarArg)
+
+    validateYearMonth(constrained, calendar.id)
+
     super({
       ...constrained,
-      calendar: ensureObj(Calendar, calendarArg),
+      calendar,
     })
@@ -65,0 +68,0 @@ }

src/public/zonedDateTime.ts

@@ -16,2 +16,3 @@ import { extractCalendar, getStrangerCalendar } from '../argParse/calendar'
 import { createDateTime } from '../dateUtils/dateTime'
+import { validateDateTime } from '../dateUtils/isoFieldValidation'
 import { formatCalendarID, formatDateTimeISO, formatTimeZoneID } from '../dateUtils/isoFormat'
@@ -90,7 +91,10 @@ import { epochNanoToISOFields } from '../dateUtils/isoMath'
     const calendar = ensureObj(Calendar, calendarArg)
-    const instant = new Instant(epochNanoseconds)
+    const instant = new Instant(epochNanoseconds) // will do validation
     const offsetNanoseconds = timeZone.getOffsetNanosecondsFor(instant)
+    const isoFields = epochNanoToISOFields(epochNanoseconds + BigInt(offsetNanoseconds))
 
+    validateDateTime(isoFields, calendar.id)
+
     super({
-      ...epochNanoToISOFields(epochNanoseconds + BigInt(offsetNanoseconds)),
+      ...isoFields,
       calendar,
@@ -97,0 +101,0 @@ timeZone,

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Number of package files

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increased by1.71%

Lines of code

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Number of lines in readme file

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increased by7.02%

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