temporal-polyfill - npm Package Compare versions

Comparing version 0.0.4 to 0.0.5

dist/global.js

@@ -1,2 +0,2 @@
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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 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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 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Kt(n,e,t,o){n=Jt(n=Gt(n,e.years,t,o),e.months,t,o);let r=t.epochMilliseconds(n.year,n.month,n.day);const[,i]=function(n){const e=gt($t(n)),t=e/T;return[vt(e-t*T,5),new Duration(n.years,n.months,n.weeks,n.days+Number(t))]}(e);return r=nn(r,7*i.weeks+i.days),Q(r)}function Gt({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 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 Qt(n,e){return e?{...Q(nn(W(n),e)),calendar:n.calendar}:n}var PlainMonthDay=class extends M{constructor(n,e,t=Zo(),o){super({...to({isoYear:o??("iso8601"===t.id?1972:function(n,e){throw new n(e)}(Error,"Must specify referenceYear")),isoMonth:n,isoDay:e},c),calendar:t})}static from(n,e){if(u(e),n instanceof PlainMonthDay)return Xt(n.getISOFields());if("object"==typeof n){const o=Po(n);let r=t(n,Vt);return void 0===r.year&&void 0===n.calendar&&(r={...r,year:1972}),o.monthDayFromFields(r,e)}const o=Wn(String(n));return void 0===o.calendar&&(o.isoYear=1972),Xt(he(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,Vt),this);return this.calendar.monthDayFromFields(t,e)}equals(n){return e=this,t=g(PlainMonthDay,n),e.calendar.id===t.calendar.id&&z(e.getISOFields())===z(t.getISOFields());var e,t}toString(n){const e=this.getISOFields(),t=e.calendar.id,o=gn(n);return("iso8601"===t?function(n){return sn(n.isoMonth,2)+"-"+sn(n.isoDay,2)}(e):St(e))+Tt(t,o)}toPlainDate(n,e){return this.calendar.dateFromFields({year:n.year,monthCode:this.monthCode,day:this.day},e)}};Nn(PlainMonthDay),Zn(PlainMonthDay,["monthCode","day"]),Re(PlainMonthDay,Ze({month:"numeric",day:"numeric"},{weekday:void 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this.toPlainDateTime(n.plainTime).toZonedDateTime(n.timeZone)}toPlainDateTime(n){return ko({...this.getISOFields(),...ft(n).getISOFields()})}toPlainYearMonth(){return qe(this.getISOFields())}toPlainMonthDay(){return this.calendar.monthDayFromFields(this)}};function so(n){return n instanceof PlainDate||n instanceof PlainDateTime||n instanceof ZonedDateTime||n instanceof PlainYearMonth||n instanceof PlainMonthDay}function ao(n,e,t){let o;if(n instanceof PlainDate)o=n;else if(so(n)){if(t&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");o=_t(n.getISOFields())}else o=PlainDate.from(n);return Ro(o.calendar,e),o}function co(n,e,t){if(so(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?dn(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 l=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(l===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]=eo(i,s,d,e,l),Q(e.epochMilliseconds(i,s,d))}function uo(n,e){if(so(n)){if(e&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");return n.getISOFields()}return PlainDate.from(n).getISOFields()}function ho(n,e){return _(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e+1,1,1))}function lo(n,e,t,o){return _(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e,t,o))+1}Nn(PlainDate),Zn(PlainDate,En),Re(PlainDate,Ze({year:"numeric",month:"numeric",day:"numeric",weekday:void 0},{hour:void 0,minute:void 0,second:void 0}));var fo={hebrew:6,chinese:0,dangi:0},mo=class extends un{constructor(n){const e=go(n);if(t=n,o=e.resolvedOptions().calendar,hn(t)!==hn(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 nn(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 _(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=fo[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=nn(r,400);;){const o=this.computeFieldsDumb(r);if(o.year<n)break;r=nn(r,1-o.day),o.year===n&&(e.unshift(r),t.unshift(o.month)),r=nn(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 go(n){return new we("en-US",{calendar:n,era:"short",year:"numeric",month:"short",day:"numeric",timeZone:"UTC"})}var yo=G(1868,9,8),po={gregory:mn,japanese:class extends mn{constructor(){super(...arguments),this.format=go("japanese")}computeFields(n){const e=super.computeFields(n);if(n>=yo){const t=ge(this.format,n);e.era=pe(t.era),e.eraYear=parseInt(t.relatedYear||t.year)}return e}},islamic:class extends mo{guessISOYear(n){return Math.ceil(32*n/33+622)}}},wo={iso8601:fn};function vo(n){const e=(n=String(n)).toLocaleLowerCase();return wo[e]||(wo[e]=new(po[hn(e)]||mo)(n))}var Mo=G(1582,10,15),Io=G(622,7,18),So={buddhist:Mo,japanese:Mo,roc:Mo,islamic:Io,"islamic-rgsa":Io,indian:0},bo={};function Fo(n,e){return Do(Number(n/S),e)}function Do(n,e){if(function(n,e){return function(n){let e=bo[n];if(void 0===e){const t=So[n];if(void 0===t)e=!1;else{let o=vo(n);o instanceof mo||(o=new mo(n));const r=t-864e5,i=o.computeFields(r);e=r!==o.epochMilliseconds(i.year,i.month,i.day)}bo[n]=e}return e}(e)&&n<So[e]}(n,e))throw new RangeError("Invalid timestamp for calendar")}function To(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]=eo(e.year,n.month,n.day,t,0),i=ro(e,n),s=q(e.month,o)||q(e.day,r);return e.year-n.year-(s&&i&&s!==i?i:0)}(n,e,t),n=Gt(n,r,t,0);case 8:i=function(n,e,t){let o=0;const r=ro(e,n);if(r){let{year:i}=n;for(;i!==e.year;)o+=t.monthsInYear(i)*r,i+=r;const[,s,a]=eo(e.year,n.month,n.day,t,0);o+=e.month-s;const c=q(e.day,a);c&&r&&c!==r&&(o-=r)}return o}(n,e,t),n=Jt(n,i,t,0)}return a=_(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 Oo(n,e,t){const o=7+e-t;return-$(en(n,1,o)-e,7)+o-1}function No(n,e,t){const o=Oo(n,e,t),r=Oo(n+1,e,t);return(ho(fn,n)-o+r)/7}var[Yo,Eo]=d(),Calendar=class extends y{constructor(n){super(),"islamicc"===n&&(n="islamic-civil"),Eo(this,vo(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 Calendar(String(n))}(n.calendar):n;const e=Qn(String(n));return new Calendar(e?e.calendar||"iso8601":n)}get id(){return Yo(this).id}era(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).era}eraYear(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).eraYear}year(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).year}month(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).month}monthCode(n){const e=ao(n,this);return Yo(this).monthCode(e.month,e.year)}day(n){const e=uo(n);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).day}dayOfWeek(n){const e=uo(n,!0);return en(e.isoYear,e.isoMonth,e.isoDay)}dayOfYear(n){const e=ao(n,this,!0);return lo(Yo(this),e.year,e.month,e.day)}weekOfYear(n){const e=uo(n,!0);return function(n,e,t,o,r){const i=Oo(n,o,r),s=Math.floor((lo(fn,n,e,t)-i-1)/7)+1;if(s<1)return s+No(n-1,o,r);const a=No(n,o,r);return s>a?s-a:s}(e.isoYear,e.isoMonth,e.isoDay,1,4)}daysInWeek(n){return uo(n,!0),7}daysInMonth(n){const e=ao(n,this,!0);return Yo(this).daysInMonth(e.year,e.month)}daysInYear(n){const e=ao(n,this,!0);return ho(Yo(this),e.year)}monthsInYear(n){const e=ao(n,this,!0);return Yo(this).monthsInYear(e.year)}inLeapYear(n){return Yo(this).inLeapYear(this.year(n))}dateFromFields(n,e){const t=co(n,Yo(this),e);return new PlainDate(t.isoYear,t.isoMonth,t.isoDay,this)}yearMonthFromFields(n,e){const t=co({...n,day:1},Yo(this),e);return new PlainYearMonth(t.isoYear,t.isoMonth,this,t.isoDay)}monthDayFromFields(n,e){const t=Yo(this);let{era:o,eraYear:r,year:i,month:s,monthCode:a,day:c}=n;if(void 0===c)throw new TypeError("required property 'day' missing or undefined");if(void 0!==a?i=1972:void 0!==o&&void 0!==r&&(i=dn(t.id,r,o)),void 0===i){if(void 0===a)throw new TypeError("either year or monthCode required with month");i=t.guessYearForMonthDay(a,c)}const u=co({year:i,month:s,monthCode:a,day:c},t,e);return new PlainMonthDay(u.isoMonth,u.isoDay,this,t.normalizeISOYearForMonthDay(u.isoYear))}dateAdd(n,e,t){const o=Yo(this),r=Kt(g(PlainDate,n,t),g(Duration,e),o,u(t));return new PlainDate(r.isoYear,r.isoMonth,r.isoDay,this)}dateUntil(n,e,t){const r=Yo(this),i=g(PlainDate,n),s=g(PlainDate,e),a=k(o(t).largestUnit,6,6,9);return Ro(Uo(i,s),this),To(i,s,r,a)}toString(){return this.id}};function Zo(){return new Calendar("iso8601")}function Co(n,e,t,o){const r=G(e,t,o);return Do(r,n.id),n.computeFields(r)}function Po(n){return void 0===n.calendar?Zo():g(Calendar,n.calendar)}function Uo(n,e){const{calendar:t}=n;return Ro(t,e.calendar),t}function Bo(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 Ro(n,e){if(n.id!==e.id)throw new RangeError("Calendars must match")}var PlainDateTime=class extends M{constructor(n,e,t,o=0,r=0,i=0,s=0,a=0,u=0,d=Zo()){const h=qo({isoYear:n,isoMonth:e,isoDay:t,isoHour:o,isoMinute:r,isoSecond:i,isoMillisecond:s,isoMicrosecond:a,isoNanosecond:u},c),l=g(Calendar,d);Oe(h,l.id),super({...h,calendar:l})}static from(n,e){const o=u(e);return ko(n instanceof PlainDateTime?n.getISOFields():"object"==typeof n?xo(t(n,vn),e,o,Po(n)):he(zn(String(n))))}static compare(n,e){return Lo(g(PlainDateTime,n),g(PlainDateTime,e))}with(n,e){return ko(xo(jo(a(n,vn),this),e,u(e),this.calendar))}withPlainDate(n){const e=g(PlainDate,n);return ko({...this.getISOFields(),...e.getISOFields(),calendar:Bo(this,e)})}withPlainTime(n){return ko({...this.getISOFields(),...ft(n).getISOFields()})}withCalendar(n){return ko({...this.getISOFields(),calendar:g(Calendar,n)})}add(n,e){return Ho(this,g(Duration,n),e)}subtract(n,e){return Ho(this,g(Duration,n).negated(),e)}until(n,e){return $o(this,g(PlainDateTime,n),e)}since(n,e){return $o(this,g(PlainDateTime,n),e,!0)}round(n){return function(n,e){const t=x(e,void 0,0,6);return zo(n,it(t),t.roundingMode)}(this,n)}equals(n){return 0===Lo(this,g(PlainDateTime,n))}toString(n){const e=bn(n),t=gn(n),o=zo(this,e.roundingIncrement,e.roundingMode).getISOFields();return It(o,e)+Tt(o.calendar.id,t)}toZonedDateTime(n,e){const t=g(TimeZone,n),o=t.getInstantFor(this,e);return new ZonedDateTime(o.epochNanoseconds,t,this.calendar)}toPlainYearMonth(){return qe(this.getISOFields())}toPlainMonthDay(){return this.calendar.monthDayFromFields(this)}toPlainDate(){return _t(this.getISOFields())}toPlainTime(){return at(this.getISOFields())}};function ko(n){return new PlainDateTime(n.isoYear,n.isoMonth,n.isoDay,n.isoHour,n.isoMinute,n.isoSecond,n.isoMillisecond,n.isoMicrosecond,n.isoNanosecond,n.calendar)}function xo(n,e,t,o){return{...o.dateFromFields(n,e).getISOFields(),...lt(n,t)}}function jo(n,e){return{...no(n,e),...ut(n,e)}}function qo(n,e){return{...to(n,e),...ct(n,e)}}function Lo(n,e){return q(z(n.getISOFields()),z(e.getISOFields()))||q(n.calendar.id,e.calendar.id)}function Ho(n,e,t){const{calendar:o}=n,r=Ht(e),i=$t(e);return ko({...J(z(o.dateAdd(_t(n.getISOFields()),r,t).getISOFields())+gt(n)+gt(i)),calendar:o})}function $o(n,e,t,o){const r=j(t,6,0,0,9);return tt(Qe(n,e,r.largestUnit),r,n,e,o)}function zo(n,e,t){const o=ot(n,e,t);return ko(st(n.getISOFields(),o))}function Ao(n,e){return q(n.epochNanoseconds,e.epochNanoseconds)}function Wo(n,e){if(xt(e)>=6)throw new RangeError("Duration cant have units larger than days");return new Instant(n.epochNanoseconds+gt($t(e)))}function Ko(n,e,t){const o=j(t,3,0,0,5,!0);return jt(rt(e.epochNanoseconds-n.epochNanoseconds,o),o.largestUnit)}Nn(PlainDateTime,C),Zn(PlainDateTime,En),Re(PlainDateTime,Ze({year:"numeric",month:"numeric",day:"numeric",weekday:void 0,hour:"numeric",minute:"2-digit",second:"2-digit"},{}));var[Go,Jo]=d(),Instant=class extends p{constructor(n){var e;super(),n=BigInt(n),((e=n)<-8640000000000000000000n||e>8640000000000000000000n)&&rn(),Jo(this,n)}static from(n){if(n instanceof Instant)return new Instant(n.epochNanoseconds);const e=$n(String(n)),t=e.offset;if(void 0===t)throw new RangeError("Must specify an offset");return new Instant(z(qo(e,c))-BigInt(t))}static fromEpochSeconds(n){return new Instant(BigInt(n)*b)}static fromEpochMilliseconds(n){return new Instant(BigInt(n)*S)}static fromEpochMicroseconds(n){return new Instant(n*I)}static fromEpochNanoseconds(n){return new Instant(n)}static compare(n,e){return Ao(g(Instant,n),g(Instant,e))}get epochNanoseconds(){return Go(this)}add(n){return Wo(this,g(Duration,n))}subtract(n){return Wo(this,g(Duration,n).negated())}until(n,e){return Ko(this,g(Instant,n),e)}since(n,e){return Ko(g(Instant,n),this,e)}round(n){return function(n,e){const t=x(e,void 0,0,5,!1,!0),[o,r]=Mt(n.epochNanoseconds);return new Instant(o+rt(r,t))}(this,n)}equals(n){return 0===Ao(this,g(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":"")}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)}};Dn(Instant),Re(Instant,Ye({year:"numeric",month:"numeric",day:"numeric",weekday:void 0,hour:"numeric",minute:"2-digit",second:"2-digit"},{timeZoneName:void 0},{}));var Qo=Symbol(),Vo=Symbol(),Xo=Symbol(),_o=class extends we{constructor(n,e){const t=ve(n),o=function(n){const e={};for(const t in n){let o=n[t];i(o)&&(o=o.toString()),e[t]=o}return e}(e||{});super(t,o),this[Qo]=t,this[Vo]=o,this[Xo]=new Map}format(n){const e=nr(this,n);return e[0]===this?super.format(n):e[0].format(e[1])}formatToParts(n){return super.formatToParts.call(...nr(this,n))}formatRange(n,e){return super.formatRange.call(...er(this,n,e))}formatRangeToParts(n,e){return super.formatRangeToParts.call(...er(this,n,e))}};function nr(n,e){const t=ke(e);if(t){const o=tr(n,t);return[o.buildFormat(e),o.buildEpochMilli(e)]}return[n,e]}function er(n,e,t){const o=ke(e);if(o!==ke(t))throw new TypeError("Mismatch of types");if(o){const r=tr(n,o);return[r.buildFormat(e,t),r.buildEpochMilli(e),r.buildEpochMilli(t)]}return[n,e,t]}function tr(n,e){const t=n[Xo];let o=t.get(e);return o||(o=function(n){const e={};return{buildFormat:function(t,o){const r=n.buildKey(t,o),i=r.join("|");return e[i]||(e[i]=n.buildFormat(...r))},buildEpochMilli:n.buildEpochMilli}}(e(n[Qo],n[Vo])),t.set(e,o)),o}function or(n=cr()){return ar().toZonedDateTimeISO(n)}function rr(n,e){if(void 0===n)throw new RangeError("Must specify calendar");return ar().toZonedDateTime({calendar:n,timeZone:e??cr()})}function ir(n=cr()){return or(n).toPlainDateTime()}function sr(n,e){return rr(n,e).toPlainDateTime()}function ar(){return new Instant(BigInt(Date.now())*S)}function cr(){return new TimeZone((new we).resolvedOptions().timeZone)}var ur={zonedDateTimeISO:or,zonedDateTime:rr,plainDateTimeISO:ir,plainDateTime:sr,plainDateISO:function(n=cr()){return ir(n).toPlainDate()},plainDate:function(n,e){return sr(n,e).toPlainDate()},plainTimeISO:function(n=cr()){return ar().toZonedDateTimeISO(n).toPlainTime()},instant:ar,timeZone:cr};globalThis.Temporal||(globalThis.Temporal={PlainYearMonth:PlainYearMonth,PlainMonthDay:PlainMonthDay,PlainDate:PlainDate,PlainTime:PlainTime,PlainDateTime:PlainDateTime,ZonedDateTime:ZonedDateTime,Instant:Instant,Calendar:Calendar,TimeZone:TimeZone,Duration:Duration,Now:ur},globalThis.Date.prototype.toTemporalInstant=function(){return n=this,Instant.fromEpochMilliseconds(n.valueOf());var n},globalThis.Intl.DateTimeFormat=_o);
 //# sourceMappingURL=global.js.map

dist/impl.d.ts

@@ -51,28 +51,2 @@ declare abstract class AbstractObj {
 
-declare class Instant extends AbstractNoValueObj {
-    constructor(epochNanoseconds: bigint);
-    static from(arg: InstantArg): Instant;
-    static fromEpochSeconds(epochSeconds: number): Instant;
-    static fromEpochMilliseconds(epochMilliseconds: number): Instant;
-    static fromEpochMicroseconds(epochMicroseconds: bigint): Instant;
-    static fromEpochNanoseconds(epochNanoseconds: bigint): Instant;
-    static compare(a: InstantArg, b: InstantArg): CompareResult;
-    get epochNanoseconds(): bigint;
-    add(durationArg: DurationArg): Instant;
-    subtract(durationArg: DurationArg): Instant;
-    until(other: InstantArg, options?: TimeDiffOptions): Duration;
-    since(other: InstantArg, options?: TimeDiffOptions): Duration;
-    round(options: TimeRoundingOptions): Instant;
-    equals(other: InstantArg): boolean;
-    toString(options?: InstantToStringOptions): string;
-    toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
-    toZonedDateTimeISO(timeZoneArg: TimeZoneArg): ZonedDateTime;
-    toZonedDateTime(options: {
-        calendar: CalendarArg;
-        timeZone: TimeZoneArg;
-    }): ZonedDateTime;
-}
-interface Instant extends ComputedEpochFields {
-}
-
 declare class PlainMonthDay extends AbstractISOObj<DateISOFields> {
@@ -84,3 +58,2 @@ constructor(isoMonth: number, isoDay: number, calendar?: CalendarProtocol, referenceISOYear?: number);
     toString(options?: DateToStringOptions): string;
-    toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
     toPlainDate(fields: {
@@ -93,2 +66,4 @@ year: number;
 }
+interface PlainMonthDay extends ToLocaleStringMethods {
+}
 
@@ -106,3 +81,2 @@ declare class PlainYearMonth extends AbstractISOObj<DateISOFields> {
     toString(options?: DateToStringOptions): string;
-    toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
     toPlainDate(fields: {
@@ -115,17 +89,3 @@ day: number;
 }
-
-declare class TimeZone extends AbstractObj implements TimeZoneProtocol {
-    constructor(id: string);
-    static from(arg: TimeZoneArg): TimeZone;
-    get id(): string;
-    getOffsetStringFor(instantArg: InstantArg): string;
-    getOffsetNanosecondsFor(instantArg: InstantArg): number;
-    getPlainDateTimeFor(instantArg: InstantArg, calendarArg?: CalendarArg): PlainDateTime;
-    getInstantFor(dateTimeArg: DateTimeArg, options?: {
-        disambiguation?: Disambiguation;
-    }): Instant;
-    getPossibleInstantsFor(dateTimeArg: DateTimeArg): Instant[];
-    getPreviousTransition(instantArg: InstantArg): Instant | null;
-    getNextTransition(instantArg: InstantArg): Instant | null;
-    toString(): string;
+interface PlainYearMonth extends ToLocaleStringMethods {
 }
@@ -155,3 +115,2 @@
     toString(options?: ZonedDateTimeToStringOptions): string;
-    toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
     toPlainYearMonth(): PlainYearMonth;
@@ -171,3 +130,68 @@ toPlainMonthDay(): PlainMonthDay;
 }
+interface ZonedDateTime extends ToLocaleStringMethods {
+}
 
+declare class Instant extends AbstractNoValueObj {
+    constructor(epochNanoseconds: bigint);
+    static from(arg: InstantArg): Instant;
+    static fromEpochSeconds(epochSeconds: number): Instant;
+    static fromEpochMilliseconds(epochMilliseconds: number): Instant;
+    static fromEpochMicroseconds(epochMicroseconds: bigint): Instant;
+    static fromEpochNanoseconds(epochNanoseconds: bigint): Instant;
+    static compare(a: InstantArg, b: InstantArg): CompareResult;
+    get epochNanoseconds(): bigint;
+    add(durationArg: DurationArg): Instant;
+    subtract(durationArg: DurationArg): Instant;
+    until(other: InstantArg, options?: TimeDiffOptions): Duration;
+    since(other: InstantArg, options?: TimeDiffOptions): Duration;
+    round(options: TimeRoundingOptions): Instant;
+    equals(other: InstantArg): boolean;
+    toString(options?: InstantToStringOptions): string;
+    toZonedDateTimeISO(timeZoneArg: TimeZoneArg): ZonedDateTime;
+    toZonedDateTime(options: {
+        calendar: CalendarArg;
+        timeZone: TimeZoneArg;
+    }): ZonedDateTime;
+}
+interface Instant extends ComputedEpochFields {
+}
+interface Instant extends ToLocaleStringMethods {
+}
+
+declare class TimeZone extends AbstractObj implements TimeZoneProtocol {
+    constructor(id: string);
+    static from(arg: TimeZoneArg): TimeZone;
+    get id(): string;
+    getOffsetStringFor(instantArg: InstantArg): string;
+    getOffsetNanosecondsFor(instantArg: InstantArg): number;
+    getPlainDateTimeFor(instantArg: InstantArg, calendarArg?: CalendarArg): PlainDateTime;
+    getInstantFor(dateTimeArg: DateTimeArg, options?: {
+        disambiguation?: Disambiguation;
+    }): Instant;
+    getPossibleInstantsFor(dateTimeArg: DateTimeArg): Instant[];
+    getPreviousTransition(instantArg: InstantArg): Instant | null;
+    getNextTransition(instantArg: InstantArg): Instant | null;
+    toString(): string;
+}
+
+interface BaseEntity {
+    calendar?: Calendar;
+    timeZone?: TimeZone;
+}
+interface FormatFactory<Entity extends BaseEntity> {
+    buildKey: KeyFactory<Entity>;
+    buildFormat: (calendarID: string, timeZoneID: string) => Intl.DateTimeFormat;
+    buildEpochMilli: (entity: Entity) => number;
+}
+declare type FormatFactoryFactory<Entity extends BaseEntity> = (locales: string[], options: Intl.DateTimeFormatOptions) => FormatFactory<Entity>;
+declare type CachedFormatFactory<Entity extends BaseEntity> = {
+    buildFormat: (entity: Entity, otherEntity?: Entity) => Intl.DateTimeFormat;
+    buildEpochMilli: (entity: Entity) => number;
+};
+declare type KeyFactory<Entity extends BaseEntity> = (entity: Entity, otherEntity?: Entity) => [string, string];
+
+interface ToLocaleStringMethods {
+    toLocaleString(localesArg?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
+}
+
 declare class PlainTime extends AbstractISOObj<TimeISOFields> {
@@ -185,3 +209,2 @@ constructor(isoHour?: number, isoMinute?: number, isoSecond?: number, isoMillisecond?: number, isoMicrosecond?: number, isoNanosecond?: number);
     toString(options?: TimeToStringOptions): string;
-    toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
     toZonedDateTime(options: {
@@ -196,2 +219,4 @@ plainDate: DateArg;
 }
+interface PlainTime extends ToLocaleStringMethods {
+}
 
@@ -232,3 +257,2 @@ interface TimeISOMilli {
     toString(options?: DateTimeToStringOptions): string;
-    toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
     toZonedDateTime(timeZoneArg: TimeZoneArg, options?: {
@@ -247,2 +271,4 @@ disambiguation?: Disambiguation;
 }
+interface PlainDateTime extends ToLocaleStringMethods {
+}
 
@@ -308,3 +334,2 @@ declare type RoundingFunc = (n: number) => number;
     toString(options?: DateToStringOptions): string;
-    toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string;
     toZonedDateTime(options: {
@@ -321,2 +346,4 @@ plainTime?: TimeArg;
 }
+interface PlainDate extends ToLocaleStringMethods {
+}
 
@@ -620,15 +647,3 @@ declare class Calendar extends AbstractObj implements CalendarProtocol {
 }
-interface DateTimeFormatRangeMethods {
-    formatRange(startDate: number | Date, endDate: number | Date): string;
-    formatRangeToParts(startDate: number | Date, endDate: number | Date): DateTimeFormatRangePart[];
-}
-declare type DateTimeFormatWithRange = Intl.DateTimeFormat & DateTimeFormatRangeMethods;
 declare type DateTimeFormatArg = number | Date | Instant | ZonedDateTime | PlainDateTime | PlainDate | PlainYearMonth | PlainMonthDay | PlainTime;
-interface DateTimeFormatTemporalMethods {
-    format(dateArg?: DateTimeFormatArg): string;
-    formatToParts(dateArg?: DateTimeFormatArg): Intl.DateTimeFormatPart[];
-    formatRange(startArg: DateTimeFormatArg, endArg: DateTimeFormatArg): string;
-    formatRangeToParts(startArg: DateTimeFormatArg, endArg: DateTimeFormatArg): DateTimeFormatRangePart[];
-}
-declare type DateTimeFormatWithTemporal = Intl.DateTimeFormat & DateTimeFormatTemporalMethods;
 declare const OrigDateTimeFormat: {
@@ -639,9 +654,17 @@ (locales?: string | string[] | undefined, options?: Intl.DateTimeFormatOptions | undefined): Intl.DateTimeFormat;
 };
-declare function normalizeIntlOptionalDateArg(dateArg: DateTimeFormatArg | undefined): undefined | number | Date;
-declare function normalizeIntlDateArg(dateArg: DateTimeFormatArg): number | Date;
-declare function formatZoned(zdt: ZonedDateTime, locales: LocalesArg | undefined, options: Intl.DateTimeFormatOptions): string;
-declare function formatUnzoned<ISOFields extends DateISOFields>(date: {
-    getISOFields: () => ISOFields;
-}, locales: LocalesArg | undefined, options: Intl.DateTimeFormatOptions, strictCalendar?: boolean): string;
 
+declare const origLocalesSymbol: unique symbol;
+declare const origOptionsSymbol: unique symbol;
+declare const factoryMapSymbol: unique symbol;
+declare class ExtendedDateTimeFormat extends OrigDateTimeFormat {
+    [origLocalesSymbol]: string[];
+    [origOptionsSymbol]: Intl.DateTimeFormatOptions;
+    [factoryMapSymbol]: Map<FormatFactoryFactory<any>, CachedFormatFactory<any>>;
+    constructor(localesArg?: LocalesArg, options?: Intl.DateTimeFormatOptions);
+    format(dateArg?: DateTimeFormatArg): string;
+    formatToParts(dateArg?: DateTimeFormatArg): Intl.DateTimeFormatPart[];
+    formatRange(startArg: DateTimeFormatArg, endArg: DateTimeFormatArg): string;
+    formatRangeToParts(startArg: DateTimeFormatArg, endArg: DateTimeFormatArg): DateTimeFormatRangePart[];
+}
+
 declare function getZonedDateTimeISO(timeZoneArg?: TimeZoneArg): ZonedDateTime;
@@ -668,2 +691,2 @@ declare function getZonedDateTime(calendarArg: CalendarArg, timeZoneArg?: TimeZoneArg): ZonedDateTime;
 
-export { Calendar, CalendarArg, CalendarDisplay, CalendarProtocol, CompareResult, DateArg, DateDiffOptions, DateISOFields, DateLike, DateLikeFields, DateOverrides, DateTemporalMethods, DateTimeArg, DateTimeFormatArg, DateTimeFormatRangeMethods, DateTimeFormatRangePart, DateTimeFormatTemporalMethods, DateTimeFormatWithRange, DateTimeFormatWithTemporal, DateTimeISOFields, DateTimeLike, DateTimeLikeFields, DateTimeOverrides, DateTimeRoundingOptions, DateTimeToStringOptions, DateToStringOptions, DateUnit, DateWithTemporal, DayTimeUnit, DiffOptions, Disambiguation, Duration, DurationArg, DurationLike, DurationRoundingOptions, DurationToStringOptions, DurationToStringUnit, DurationTotalOptions, FractionalSecondDigits, Instant, InstantArg, InstantToStringOptions, LocalesArg, MonthDayArg, MonthDayLike, MonthDayLikeFields, MonthDayOverrides, Now, OffsetDisplay, OffsetHandling, OrigDateTimeFormat, OverflowHandling, OverflowOptions, PlainDate, PlainDateTime, PlainMonthDay, PlainTime, PlainYearMonth, RoundingMode, RoundingOptions, TimeArg, TimeDiffOptions, TimeISOFields, TimeLike, TimeRoundingOptions, TimeToStringOptions, TimeToStringUnit, TimeUnit, TimeZone, TimeZoneArg, TimeZoneDisplay, TimeZoneProtocol, Unit, YearMonthArg, YearMonthDiffOptions, YearMonthLike, YearMonthLikeFields, YearMonthOverrides, YearMonthUnit, ZonedDateTime, ZonedDateTimeArg, ZonedDateTimeISOFields, ZonedDateTimeLike, ZonedDateTimeLikeFields, ZonedDateTimeOptions, ZonedDateTimeOverrides, ZonedDateTimeToStringOptions, dateToTemporalInstant, formatUnzoned, formatZoned, normalizeIntlDateArg, normalizeIntlOptionalDateArg };
+export { Calendar, CalendarArg, CalendarDisplay, CalendarProtocol, CompareResult, DateArg, DateDiffOptions, DateISOFields, DateLike, DateLikeFields, DateOverrides, DateTemporalMethods, DateTimeArg, DateTimeFormatArg, DateTimeFormatRangePart, DateTimeISOFields, DateTimeLike, DateTimeLikeFields, DateTimeOverrides, DateTimeRoundingOptions, DateTimeToStringOptions, DateToStringOptions, DateUnit, DateWithTemporal, DayTimeUnit, DiffOptions, Disambiguation, Duration, DurationArg, DurationLike, DurationRoundingOptions, DurationToStringOptions, DurationToStringUnit, DurationTotalOptions, ExtendedDateTimeFormat, FractionalSecondDigits, Instant, InstantArg, InstantToStringOptions, LocalesArg, MonthDayArg, MonthDayLike, MonthDayLikeFields, MonthDayOverrides, Now, OffsetDisplay, OffsetHandling, OverflowHandling, OverflowOptions, PlainDate, PlainDateTime, PlainMonthDay, PlainTime, PlainYearMonth, RoundingMode, RoundingOptions, TimeArg, TimeDiffOptions, TimeISOFields, TimeLike, TimeRoundingOptions, TimeToStringOptions, TimeToStringUnit, TimeUnit, TimeZone, TimeZoneArg, TimeZoneDisplay, TimeZoneProtocol, Unit, YearMonthArg, YearMonthDiffOptions, YearMonthLike, YearMonthLikeFields, YearMonthOverrides, YearMonthUnit, ZonedDateTime, ZonedDateTimeArg, ZonedDateTimeISOFields, ZonedDateTimeLike, ZonedDateTimeLikeFields, ZonedDateTimeOptions, ZonedDateTimeOverrides, ZonedDateTimeToStringOptions, dateToTemporalInstant };

dist/impl.js

@@ -1,2 +0,2 @@
-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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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 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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};
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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}var m=Symbol();function g(n,e,...t){return e instanceof n?e:n.from(e,...t)}var y=class{toJSON(){return this.toString()}},w=class extends y{valueOf(){throw new Error("Cannot convert object using valueOf")}},[p,v]=d(),M=class extends w{constructor(n){super(),v(this,Object.freeze(n))}getISOFields(){return p(this)}},I=1000n,S=1000000n,b=1000000000n,F=60000000000n,D=3600000000000n,O=86400000000000n,T=[1,1e3,1e6,1e9,6e10,36e11,864e11],N=[9,6,3];function Y(n){return n<=6}function E(n){return n>=6}var 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n){const o=Uo(n);let r=t(n,Vt);return void 0===r.year&&void 0===n.calendar&&(r={...r,year:1972}),o.monthDayFromFields(r,e)}const o=Wn(String(n));return void 0===o.calendar&&(o.isoYear=1972),Xt(he(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,Vt),this);return this.calendar.monthDayFromFields(t,e)}equals(n){return e=this,t=g(PlainMonthDay,n),e.calendar.id===t.calendar.id&&z(e.getISOFields())===z(t.getISOFields());var e,t}toString(n){const e=this.getISOFields(),t=e.calendar.id,o=gn(n);return("iso8601"===t?function(n){return sn(n.isoMonth,2)+"-"+sn(n.isoDay,2)}(e):St(e))+Ot(t,o)}toPlainDate(n,e){return this.calendar.dateFromFields({year:n.year,monthCode:this.monthCode,day:this.day},e)}};Nn(PlainMonthDay),Zn(PlainMonthDay,["monthCode","day"]),Re(PlainMonthDay,Ze({month:"numeric",day:"numeric"},{weekday:void 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r=to({isoYear:n,isoMonth:e,isoDay:t},c),i=g(Calendar,o);!function(n,e){const t=z(n);Ne(t+(t<0n?86399999999999n:0n)),Fo(t,e)}(r,i.id),super({...r,calendar:i})}static from(n,e){if(u(e),n instanceof PlainDate)return _t(n.getISOFields());if("object"==typeof n){const o=t(n,wn);return Uo(n).dateFromFields(o,e)}return _t(he(zn(String(n))))}static compare(n,e){return oo(g(PlainDate,n),g(PlainDate,e))}with(n,e){const t=no(a(n,wn),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,g(Duration,n).negated(),e)}until(n,e){return io(this,g(PlainDate,n),j(e,6,6,6,9))}since(n,e){return io(this,g(PlainDate,n),j(e,6,6,6,9),!0)}equals(n){return 0===oo(this,g(PlainDate,n))}toString(n){const e=gn(n),t=this.getISOFields();return St(t)+Ot(t.calendar.id,e)}toZonedDateTime(n){return this.toPlainDateTime(n.plainTime).toZonedDateTime(n.timeZone)}toPlainDateTime(n){return ko({...this.getISOFields(),...lt(n).getISOFields()})}toPlainYearMonth(){return qe(this.getISOFields())}toPlainMonthDay(){return this.calendar.monthDayFromFields(this)}};function so(n){return n instanceof PlainDate||n instanceof PlainDateTime||n instanceof ZonedDateTime||n instanceof PlainYearMonth||n instanceof PlainMonthDay}function ao(n,e,t){let o;if(n instanceof PlainDate)o=n;else if(so(n)){if(t&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");o=_t(n.getISOFields())}else o=PlainDate.from(n);return Ro(o.calendar,e),o}function co(n,e,t){if(so(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?dn(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]=eo(i,s,d,e,f),Q(e.epochMilliseconds(i,s,d))}function uo(n,e){if(so(n)){if(e&&n instanceof PlainMonthDay)throw new TypeError("PlainMonthDay not allowed");return n.getISOFields()}return PlainDate.from(n).getISOFields()}function ho(n,e){return _(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e+1,1,1))}function fo(n,e,t,o){return _(n.epochMilliseconds(e,1,1),n.epochMilliseconds(e,t,o))+1}Nn(PlainDate),Zn(PlainDate,En),Re(PlainDate,Ze({year:"numeric",month:"numeric",day:"numeric",weekday:void 0},{hour:void 0,minute:void 0,second:void 0}));var lo={hebrew:6,chinese:0,dangi:0},mo=class extends un{constructor(n){const e=go(n);if(t=n,o=e.resolvedOptions().calendar,hn(t)!==hn(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 nn(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 _(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=lo[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=ho(this,n);return e>ho(this,n-1)&&e>ho(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=ge(this.format,n);let t,o,r=parseInt(e.relatedYear||e.year);var i;return e.era&&(i=this.id,void 0!==cn[hn(i)])&&(t=we(e.era),o=r,r=dn(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=nn(r,400);;){const o=this.computeFieldsDumb(r);if(o.year<n)break;r=nn(r,1-o.day),o.year===n&&(e.unshift(r),t.unshift(o.month)),r=nn(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 go(n){return new pe("en-US",{calendar:n,era:"short",year:"numeric",month:"short",day:"numeric",timeZone:"UTC"})}var yo=G(1868,9,8),wo={gregory:mn,japanese:class extends mn{constructor(){super(...arguments),this.format=go("japanese")}computeFields(n){const e=super.computeFields(n);if(n>=yo){const t=ge(this.format,n);e.era=we(t.era),e.eraYear=parseInt(t.relatedYear||t.year)}return e}},islamic:class extends mo{guessISOYear(n){return Math.ceil(32*n/33+622)}}},po={iso8601:ln};function vo(n){const e=(n=String(n)).toLocaleLowerCase();return po[e]||(po[e]=new(wo[hn(e)]||mo)(n))}var Mo=G(1582,10,15),Io=G(622,7,18),So={buddhist:Mo,japanese:Mo,roc:Mo,islamic:Io,"islamic-rgsa":Io,indian:0},bo={};function Fo(n,e){return Do(Number(n/S),e)}function Do(n,e){if(function(n,e){return function(n){let e=bo[n];if(void 0===e){const t=So[n];if(void 0===t)e=!1;else{let o=vo(n);o instanceof mo||(o=new mo(n));const r=t-864e5,i=o.computeFields(r);e=r!==o.epochMilliseconds(i.year,i.month,i.day)}bo[n]=e}return e}(e)&&n<So[e]}(n,e))throw new RangeError("Invalid timestamp for calendar")}function Oo(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]=eo(e.year,n.month,n.day,t,0),i=ro(e,n),s=q(e.month,o)||q(e.day,r);return e.year-n.year-(s&&i&&s!==i?i:0)}(n,e,t),n=Gt(n,r,t,0);case 8:i=function(n,e,t){let o=0;const r=ro(e,n);if(r){let{year:i}=n;for(;i!==e.year;)o+=t.monthsInYear(i)*r,i+=r;const[,s,a]=eo(e.year,n.month,n.day,t,0);o+=e.month-s;const c=q(e.day,a);c&&r&&c!==r&&(o-=r)}return o}(n,e,t),n=Jt(n,i,t,0)}return a=_(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 To(n,e,t){const o=7+e-t;return-$(en(n,1,o)-e,7)+o-1}function No(n,e,t){const o=To(n,e,t),r=To(n+1,e,t);return(ho(ln,n)-o+r)/7}var[Yo,Eo]=d(),Calendar=class extends y{constructor(n){super(),"islamicc"===n&&(n="islamic-civil"),Eo(this,vo(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 Calendar(String(n))}(n.calendar):n;const e=Qn(String(n));return new Calendar(e?e.calendar||"iso8601":n)}get id(){return Yo(this).id}era(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).era}eraYear(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).eraYear}year(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).year}month(n){const e=uo(n,!0);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).month}monthCode(n){const e=ao(n,this);return Yo(this).monthCode(e.month,e.year)}day(n){const e=uo(n);return Co(Yo(this),e.isoYear,e.isoMonth,e.isoDay).day}dayOfWeek(n){const e=uo(n,!0);return en(e.isoYear,e.isoMonth,e.isoDay)}dayOfYear(n){const e=ao(n,this,!0);return fo(Yo(this),e.year,e.month,e.day)}weekOfYear(n){const e=uo(n,!0);return function(n,e,t,o,r){const i=To(n,o,r),s=Math.floor((fo(ln,n,e,t)-i-1)/7)+1;if(s<1)return s+No(n-1,o,r);const a=No(n,o,r);return s>a?s-a:s}(e.isoYear,e.isoMonth,e.isoDay,1,4)}daysInWeek(n){return uo(n,!0),7}daysInMonth(n){const e=ao(n,this,!0);return Yo(this).daysInMonth(e.year,e.month)}daysInYear(n){const e=ao(n,this,!0);return ho(Yo(this),e.year)}monthsInYear(n){const e=ao(n,this,!0);return Yo(this).monthsInYear(e.year)}inLeapYear(n){return Yo(this).inLeapYear(this.year(n))}dateFromFields(n,e){const t=co(n,Yo(this),e);return new PlainDate(t.isoYear,t.isoMonth,t.isoDay,this)}yearMonthFromFields(n,e){const t=co({...n,day:1},Yo(this),e);return new PlainYearMonth(t.isoYear,t.isoMonth,this,t.isoDay)}monthDayFromFields(n,e){const t=Yo(this);let{era:o,eraYear:r,year:i,month:s,monthCode:a,day:c}=n;if(void 0===c)throw new TypeError("required property 'day' missing or undefined");if(void 0!==a?i=1972:void 0!==o&&void 0!==r&&(i=dn(t.id,r,o)),void 0===i){if(void 0===a)throw new TypeError("either year or monthCode required with month");i=t.guessYearForMonthDay(a,c)}const u=co({year:i,month:s,monthCode:a,day:c},t,e);return new PlainMonthDay(u.isoMonth,u.isoDay,this,t.normalizeISOYearForMonthDay(u.isoYear))}dateAdd(n,e,t){const o=Yo(this),r=Kt(g(PlainDate,n,t),g(Duration,e),o,u(t));return new PlainDate(r.isoYear,r.isoMonth,r.isoDay,this)}dateUntil(n,e,t){const r=Yo(this),i=g(PlainDate,n),s=g(PlainDate,e),a=k(o(t).largestUnit,6,6,9);return Ro(Po(i,s),this),Oo(i,s,r,a)}toString(){return this.id}};function Zo(){return new Calendar("iso8601")}function Co(n,e,t,o){const r=G(e,t,o);return Do(r,n.id),n.computeFields(r)}function Uo(n){return void 0===n.calendar?Zo():g(Calendar,n.calendar)}function Po(n,e){const{calendar:t}=n;return Ro(t,e.calendar),t}function Bo(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 Ro(n,e){if(n.id!==e.id)throw new RangeError("Calendars must match")}var PlainDateTime=class extends M{constructor(n,e,t,o=0,r=0,i=0,s=0,a=0,u=0,d=Zo()){const h=qo({isoYear:n,isoMonth:e,isoDay:t,isoHour:o,isoMinute:r,isoSecond:i,isoMillisecond:s,isoMicrosecond:a,isoNanosecond:u},c),f=g(Calendar,d);Te(h,f.id),super({...h,calendar:f})}static from(n,e){const o=u(e);return ko(n instanceof PlainDateTime?n.getISOFields():"object"==typeof n?xo(t(n,vn),e,o,Uo(n)):he(zn(String(n))))}static compare(n,e){return Lo(g(PlainDateTime,n),g(PlainDateTime,e))}with(n,e){return ko(xo(jo(a(n,vn),this),e,u(e),this.calendar))}withPlainDate(n){const e=g(PlainDate,n);return ko({...this.getISOFields(),...e.getISOFields(),calendar:Bo(this,e)})}withPlainTime(n){return ko({...this.getISOFields(),...lt(n).getISOFields()})}withCalendar(n){return ko({...this.getISOFields(),calendar:g(Calendar,n)})}add(n,e){return Ho(this,g(Duration,n),e)}subtract(n,e){return Ho(this,g(Duration,n).negated(),e)}until(n,e){return $o(this,g(PlainDateTime,n),e)}since(n,e){return $o(this,g(PlainDateTime,n),e,!0)}round(n){return function(n,e){const t=x(e,void 0,0,6);return zo(n,it(t),t.roundingMode)}(this,n)}equals(n){return 0===Lo(this,g(PlainDateTime,n))}toString(n){const e=bn(n),t=gn(n),o=zo(this,e.roundingIncrement,e.roundingMode).getISOFields();return It(o,e)+Ot(o.calendar.id,t)}toZonedDateTime(n,e){const t=g(TimeZone,n),o=t.getInstantFor(this,e);return new ZonedDateTime(o.epochNanoseconds,t,this.calendar)}toPlainYearMonth(){return qe(this.getISOFields())}toPlainMonthDay(){return this.calendar.monthDayFromFields(this)}toPlainDate(){return _t(this.getISOFields())}toPlainTime(){return at(this.getISOFields())}};function ko(n){return new PlainDateTime(n.isoYear,n.isoMonth,n.isoDay,n.isoHour,n.isoMinute,n.isoSecond,n.isoMillisecond,n.isoMicrosecond,n.isoNanosecond,n.calendar)}function xo(n,e,t,o){return{...o.dateFromFields(n,e).getISOFields(),...ft(n,t)}}function jo(n,e){return{...no(n,e),...ut(n,e)}}function qo(n,e){return{...to(n,e),...ct(n,e)}}function Lo(n,e){return q(z(n.getISOFields()),z(e.getISOFields()))||q(n.calendar.id,e.calendar.id)}function Ho(n,e,t){const{calendar:o}=n,r=Ht(e),i=$t(e);return ko({...J(z(o.dateAdd(_t(n.getISOFields()),r,t).getISOFields())+gt(n)+gt(i)),calendar:o})}function $o(n,e,t,o){const r=j(t,6,0,0,9);return tt(Qe(n,e,r.largestUnit),r,n,e,o)}function zo(n,e,t){const o=ot(n,e,t);return ko(st(n.getISOFields(),o))}function Ao(n,e){return q(n.epochNanoseconds,e.epochNanoseconds)}function Wo(n,e){if(xt(e)>=6)throw new RangeError("Duration cant have units larger than days");return new Instant(n.epochNanoseconds+gt($t(e)))}function Ko(n,e,t){const o=j(t,3,0,0,5,!0);return jt(rt(e.epochNanoseconds-n.epochNanoseconds,o),o.largestUnit)}Nn(PlainDateTime,C),Zn(PlainDateTime,En),Re(PlainDateTime,Ze({year:"numeric",month:"numeric",day:"numeric",weekday:void 0,hour:"numeric",minute:"2-digit",second:"2-digit"},{}));var[Go,Jo]=d(),Instant=class extends w{constructor(n){var e;super(),n=BigInt(n),((e=n)<-8640000000000000000000n||e>8640000000000000000000n)&&rn(),Jo(this,n)}static from(n){if(n instanceof Instant)return new Instant(n.epochNanoseconds);const e=$n(String(n)),t=e.offset;if(void 0===t)throw new RangeError("Must specify an offset");return new Instant(z(qo(e,c))-BigInt(t))}static fromEpochSeconds(n){return new Instant(BigInt(n)*b)}static fromEpochMilliseconds(n){return new Instant(BigInt(n)*S)}static fromEpochMicroseconds(n){return new Instant(n*I)}static fromEpochNanoseconds(n){return new Instant(n)}static compare(n,e){return Ao(g(Instant,n),g(Instant,e))}get epochNanoseconds(){return Go(this)}add(n){return Wo(this,g(Duration,n))}subtract(n){return Wo(this,g(Duration,n).negated())}until(n,e){return Ko(this,g(Instant,n),e)}since(n,e){return Ko(g(Instant,n),this,e)}round(n){return function(n,e){const t=x(e,void 0,0,5,!1,!0),[o,r]=Mt(n.epochNanoseconds);return new Instant(o+rt(r,t))}(this,n)}equals(n){return 0===Ao(this,g(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":"")}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 Qo(n){return Instant.fromEpochMilliseconds(n.valueOf())}Dn(Instant),Re(Instant,Ye({year:"numeric",month:"numeric",day:"numeric",weekday:void 0,hour:"numeric",minute:"2-digit",second:"2-digit"},{timeZoneName:void 0},{}));var Vo=Symbol(),Xo=Symbol(),_o=Symbol(),nr=class extends pe{constructor(n,e){const t=ve(n),o=function(n){const e={};for(const t in n){let o=n[t];i(o)&&(o=o.toString()),e[t]=o}return e}(e||{});super(t,o),this[Vo]=t,this[Xo]=o,this[_o]=new Map}format(n){const e=er(this,n);return e[0]===this?super.format(n):e[0].format(e[1])}formatToParts(n){return super.formatToParts.call(...er(this,n))}formatRange(n,e){return super.formatRange.call(...tr(this,n,e))}formatRangeToParts(n,e){return super.formatRangeToParts.call(...tr(this,n,e))}};function er(n,e){const t=ke(e);if(t){const o=or(n,t);return[o.buildFormat(e),o.buildEpochMilli(e)]}return[n,e]}function tr(n,e,t){const o=ke(e);if(o!==ke(t))throw new TypeError("Mismatch of types");if(o){const r=or(n,o);return[r.buildFormat(e,t),r.buildEpochMilli(e),r.buildEpochMilli(t)]}return[n,e,t]}function or(n,e){const t=n[_o];let o=t.get(e);return o||(o=function(n){const e={};return{buildFormat:function(t,o){const r=n.buildKey(t,o),i=r.join("|");return e[i]||(e[i]=n.buildFormat(...r))},buildEpochMilli:n.buildEpochMilli}}(e(n[Vo],n[Xo])),t.set(e,o)),o}function rr(n=ur()){return cr().toZonedDateTimeISO(n)}function ir(n,e){if(void 0===n)throw new RangeError("Must specify calendar");return cr().toZonedDateTime({calendar:n,timeZone:e??ur()})}function sr(n=ur()){return rr(n).toPlainDateTime()}function ar(n,e){return ir(n,e).toPlainDateTime()}function cr(){return new Instant(BigInt(Date.now())*S)}function ur(){return new TimeZone((new pe).resolvedOptions().timeZone)}var dr={zonedDateTimeISO:rr,zonedDateTime:ir,plainDateTimeISO:sr,plainDateTime:ar,plainDateISO:function(n=ur()){return sr(n).toPlainDate()},plainDate:function(n,e){return ar(n,e).toPlainDate()},plainTimeISO:function(n=ur()){return cr().toZonedDateTimeISO(n).toPlainTime()},instant:cr,timeZone:ur};export{Calendar,Duration,nr as ExtendedDateTimeFormat,Instant,dr as Now,PlainDate,PlainDateTime,PlainMonthDay,PlainTime,PlainYearMonth,TimeZone,ZonedDateTime,Qo as dateToTemporalInstant};
 //# sourceMappingURL=impl.js.map

dist/shim.js

@@ -1,2 +0,2 @@
-import{Calendar,Duration,Instant,Now as a,OrigDateTimeFormat as t,PlainDate,PlainDateTime,PlainMonthDay,PlainTime,PlainYearMonth,TimeZone,ZonedDateTime,dateToTemporalInstant as r,normalizeIntlDateArg as e,normalizeIntlOptionalDateArg as o}from"./impl.js";function n(){if(!globalThis.Temporal){globalThis.Temporal={PlainYearMonth:PlainYearMonth,PlainMonthDay:PlainMonthDay,PlainDate:PlainDate,PlainTime:PlainTime,PlainDateTime:PlainDateTime,ZonedDateTime:ZonedDateTime,Instant:Instant,Calendar:Calendar,TimeZone:TimeZone,Duration:Duration,Now:a},globalThis.Date.prototype.toTemporalInstant=function(){return r(this)};class n extends t{format(a){return super.format(o(a))}formatToParts(a){return super.formatToParts(o(a))}formatRange(a,t){return super.formatRange(e(a),e(t))}formatRangeToParts(a,t){return super.formatRangeToParts(e(a),e(t))}}globalThis.Intl.DateTimeFormat=n}}export{n as shimTemporal};
+import{Calendar,Duration,ExtendedDateTimeFormat as a,Instant,Now as t,PlainDate,PlainDateTime,PlainMonthDay,PlainTime,PlainYearMonth,TimeZone,ZonedDateTime,dateToTemporalInstant as o}from"./impl.js";function n(){globalThis.Temporal||(globalThis.Temporal={PlainYearMonth:PlainYearMonth,PlainMonthDay:PlainMonthDay,PlainDate:PlainDate,PlainTime:PlainTime,PlainDateTime:PlainDateTime,ZonedDateTime:ZonedDateTime,Instant:Instant,Calendar:Calendar,TimeZone:TimeZone,Duration:Duration,Now:t},globalThis.Date.prototype.toTemporalInstant=function(){return o(this)},globalThis.Intl.DateTimeFormat=a)}export{n as shimTemporal};
 //# sourceMappingURL=shim.js.map

package.json

 {
   "name": "temporal-polyfill",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "title": "Temporal Polyfill",
-  "description": "A spec-compliant Temporal JavaScript polyfill in less than 15kb",
+  "description": "A spec-compliant Temporal JavaScript polyfill in 15kb",
   "author": {
@@ -48,2 +48,3 @@ "name": "Adam Shaw",
     "/src",
+    "!/src/specs",
     "/dist",
@@ -50,0 +51,0 @@ "/*.d.ts"

README.md

 
 # temporal-polyfill
 
-A spec-compliant<super>*</super> [Temporal] JavaScript polyfill in less than 15kb<super>**</super>.
+A spec-compliant<super>*</super> [Temporal] JavaScript polyfill in 15kb<super>**</super>.
 
@@ -10,5 +10,5 @@ Works in modern browsers<super>***</super>, not Internet Explorer.
 
-[CDN link](https://cdn.jsdelivr.net/npm/temporal-polyfill@0.0.3/dist/global.js)
+[CDN link](https://cdn.jsdelivr.net/npm/temporal-polyfill@0.0.5/dist/global.js)
+<!-- NOTE: when updating this link, update the codepen too -->
 
-
 ## Installation
@@ -15,0 +15,0 @@

src/calendarImpl/intlCalendarImpl.ts

@@ -9,3 +9,3 @@ import { computeDaysInYear } from '../dateUtils/calendar'
 } from '../dateUtils/isoMath'
-import { OrigDateTimeFormat } from '../native/intl'
+import { OrigDateTimeFormat } from '../native/intlUtils'
 import {
@@ -12,0 +12,0 @@ CalendarImpl,

src/dateUtils/abstract.ts

 import { createWeakMap } from '../utils/obj'
 
+// weird to have this here
+// to prevent circular reference
+export const formatFactoryFactorySymbol = Symbol()
+
 // Functions
@@ -4,0 +8,0 @@

src/dateUtils/duration.ts

@@ -28,7 +28,9 @@ import { parseDiffOptions } from '../argParse/diffOptions'
 import {
-  parseDateTimeISO,
-  refineDateTimeParse,
-  refineZonedDateTimeParse,
-  tryParseDateTimeISO,
+  parseZonedDateTime,
+  tryParseZonedDateTime,
 } from './parse'
+import {
+  refineBaseObj,
+  refineZonedObj,
+} from './parseRefine'
 import { roundBalancedDuration, roundNano } from './rounding'
@@ -406,6 +408,6 @@ import { TimeFields, timeFieldsToNano } from './time'
   } else {
-    const isoFields = parseDateTimeISO(String(arg))
+    const isoFields = parseZonedDateTime(String(arg))
     if (isoFields.timeZone !== undefined) {
       return createZonedDateTime(
-        refineZonedDateTimeParse(isoFields),
+        refineZonedObj(isoFields),
         undefined,
@@ -415,3 +417,3 @@ OFFSET_PREFER,
     } else {
-      return createDateTime(refineDateTimeParse(isoFields))
+      return createDateTime(refineBaseObj(isoFields))
     }
@@ -449,8 +451,8 @@ }
 
-  const parsed = tryParseDateTimeISO(String(arg))
+  const parsed = tryParseZonedDateTime(String(arg))
   if (parsed) {
     if (parsed.timeZone !== undefined) {
-      return createZonedDateTime(refineZonedDateTimeParse(parsed), undefined, OFFSET_REJECT)
+      return createZonedDateTime(refineZonedObj(parsed), undefined, OFFSET_REJECT)
     } else {
-      return createDateTime(refineDateTimeParse(parsed))
+      return createDateTime(refineBaseObj(parsed))
     }
@@ -457,0 +459,0 @@ }

src/dateUtils/parse.ts

@@ -1,18 +0,16 @@
-import { Calendar, createDefaultCalendar } from '../public/calendar'
-import { TimeZone } from '../public/timeZone'
-import { DateISOFields, DateTimeISOFields } from '../public/types'
-import { excludeUndefined } from '../utils/obj'
 import { DateISOEssentials } from './date'
 import { DateTimeISOEssentials } from './dateTime'
 import { nanoToDayTimeFields } from './dayTime'
-import { DurationFields, negateFields } from './duration'
 import { isoEpochLeapYear } from './isoMath'
+import {
+  dateTimeRegExp,
+  monthDayRegExp,
+  offsetRegExp,
+  timeRegExp,
+  unicodeDashRegExp,
+  yearMonthRegExp,
+} from './parseRegExp'
 import { TimeISOEssentials, timeLikeToISO } from './time'
 import {
-  HOUR,
   MILLISECOND,
-  MINUTE,
-  SECOND,
-  TimeUnitInt,
-  nanoIn,
   nanoInHour,
@@ -22,6 +20,12 @@ nanoInMinute,
 } from './units'
-import { ZonedDateTimeISOEssentials } from './zonedDateTime'
 
-export type DateTimeParseResult = DateTimeISOEssentials & {
+export interface DateParseResults extends DateISOEssentials {
   calendar: string | undefined
+}
+
+export interface DateTimeParseResult extends DateTimeISOEssentials {
+  calendar: string | undefined
+}
+
+export interface ZonedDateTimeParseResult extends DateTimeParseResult {
   timeZone: string | undefined
@@ -32,102 +36,86 @@ offset: number | undefined
 
-const dateRegExpStr = '([+-]\\d{6}|\\d{4})-?(\\d{2})?-?(\\d{2})?'
-const monthDayRegExpStr = '(--)?(\\d{2})-?(\\d{2})?'
-const timeRegExpStr = '(\\d{2})?:?(\\d{2})?:?(\\d{2})?([.,](\\d{1,9}))?' // all parts optional
-const offsetRegExpStr = `([+-])${timeRegExpStr}` // hour onwards is optional
-const endingRegExpStr =
-  `(Z|${offsetRegExpStr})?` +
-  '(\\[([^=\\]]+)\\])?(\\[u-ca=([^\\]]+)\\])?'
-const offsetRegExp = createRegExp(offsetRegExpStr)
-const timeRegExp = createRegExp(
-  timeRegExpStr +
-  endingRegExpStr, // values are ignored
-)
-const dateTimeRegExp = createRegExp(
-  dateRegExpStr +
-  `([T ]${timeRegExpStr})?` +
-  endingRegExpStr,
-)
-const monthDayRegExp = createRegExp(
-  monthDayRegExpStr +
-  endingRegExpStr,
-)
-const durationRegExp = /^([-+])?P(\d+Y)?(\d+M)?(\d+W)?(\d+D)?(T((\d+)([.,](\d{1,9}))?H)?((\d+)([.,](\d{1,9}))?M)?((\d+)([.,](\d{1,9}))?S)?)?$/i
-const zuluRegExp = /Z/i
-const unicodeDashRegExp = /\u2212/g
+// hard functions (throw error on failure)
 
-// refines DateTimeParseResult for high-level objects. TODO: rename/relocate?
-
-export function refineDateTimeParse(parsed: DateTimeParseResult): DateTimeISOFields {
-  return {
-    ...parsed,
-    calendar: parsed.calendar === undefined
-      ? createDefaultCalendar()
-      : new Calendar(parsed.calendar),
+export function parseZonedDateTime(str: string): ZonedDateTimeParseResult {
+  const res = tryParseZonedDateTime(str)
+  if (!res) {
+    throw createParseError('dateTime', str)
   }
+  return res
 }
 
-export function refineZonedDateTimeParse(parsed: DateTimeParseResult): ZonedDateTimeISOEssentials {
-  return {
-    ...refineDateTimeParse(parsed),
-    timeZone: new TimeZone(parsed.timeZone!), // will throw error if empty timeZone
+export function parseDateTime(str: string): DateTimeParseResult {
+  const res = tryParseDateTime(str)
+  if (!res) {
+    throw createParseError('dateTime', str)
   }
+  return res
 }
 
-// hard functions (throw error on failure)
-
-export function parseMonthDayISO(str: string): DateTimeParseResult {
-  return tryParseMonthDayISO(str) ||
-    tryParseDateTimeISO(str) || // fallback to parsing a datetime
-    throwNoParse('monthDay', str)
+export function parseYearMonth(str: string): DateParseResults {
+  const res = tryParseYearMonth(str) || tryParseDateTime(str)
+  if (!res) {
+    throw createParseError('yearMonth', str)
+  }
+  return res
 }
 
-export function parseDateTimeISO(str: string): DateTimeParseResult {
-  return tryParseDateTimeISO(str) || throwNoParse('dateTime', str)
+export function parseMonthDay(str: string): DateParseResults {
+  const res = tryParseMonthDay(str) || tryParseDateTime(str)
+  if (!res) {
+    throw createParseError('monthDay', str)
+  }
+  return res
 }
 
 export function parseOffsetNano(str: string): number {
-  return tryParseOffsetNano(str) ?? throwNoParse('timeZone', str)
+  const res = tryParseOffsetNano(str)
+  if (res === undefined) {
+    throw createParseError('timeZone', str) // timeZone?
+  }
+  return res
 }
 
-export function parseTimeISO(str: string): TimeISOEssentials {
-  return tryParseTimeISO(str) ||
-    tryParseDateTimeISO(str) || // fallback to parsing a datetime
-    throwNoParse('time', str)
+export function parseTime(str: string): TimeISOEssentials {
+  const res = tryParseTime(str) || tryParseDateTime(str)
+  if (res === undefined) {
+    throw createParseError('time', str)
+  }
+  return res
 }
 
-export function parseDurationISO(str: string): DurationFields {
-  return tryParseDurationISO(str) || throwNoParse('duration', str)
+// soft functions (return undefined on failure)
+
+export function tryParseZonedDateTime(str: string): ZonedDateTimeParseResult | undefined {
+  const m = dateTimeRegExp.exec(normalizeDashes(str))
+  if (m) {
+    return parseZonedDateTimeParts(m.slice(1))
+  }
 }
 
-// soft functions (return undefined on failure)
+export function tryParseDateTime(str: string): DateTimeParseResult | undefined {
+  const m = dateTimeRegExp.exec(normalizeDashes(str))
+  if (m) {
+    return parseDateTimeParts(m.slice(1))
+  }
+}
 
-export function tryParseDateTimeISO(str: string): DateTimeParseResult | undefined {
-  const match = dateTimeRegExp.exec(normalizeDashes(str))
-  if (match) {
-    const Z = zuluRegExp.test(match[10])
-    return {
-      ...parseDateParts(match.slice(1)),
-      ...parseTimeParts(match.slice(5)),
-      Z,
-      offset: Z ? 0 : parseOffsetParts(match.slice(11)),
-      timeZone: match[18], // a string. don't parse yet, might be unnecessary
-      calendar: match[20], // a string. don't parse yet, might be unnecessary
-    }
+function tryParseYearMonth(str: string): DateParseResults | undefined {
+  const m = yearMonthRegExp.exec(normalizeDashes(str))
+  if (m) {
+    return parseYearMonthParts(m.slice(1))
   }
 }
 
-function tryParseMonthDayISO(str: string): DateISOFields | undefined {
-  const match = monthDayRegExp.exec(normalizeDashes(str))
-  if (match) {
-    return {
-      ...parseMonthDayParts(match),
-      calendar: match[6] ? new Calendar(match[6]) : createDefaultCalendar(),
-    }
+function tryParseMonthDay(str: string): DateParseResults | undefined {
+  const m = monthDayRegExp.exec(normalizeDashes(str))
+  if (m) {
+    return parseMonthDayParts(m.slice(1))
   }
 }
 
-function tryParseTimeISO(str: string): TimeISOEssentials | undefined {
-  const match = timeRegExp.exec(str)
-  if (match && match[1]) { // has hour at least
-    return parseTimeParts(match.slice(1))
+function tryParseTime(str: string) {
+  const m = timeRegExp.exec(normalizeDashes(str))
+  if (m) {
+    return parseTimeParts(m.slice(1))
   }
@@ -137,86 +125,55 @@ }
 export function tryParseOffsetNano(str: string): number | undefined {
-  const match = offsetRegExp.exec(normalizeDashes(str))
-  if (match) {
-    return parseOffsetParts(match.slice(1))
+  const m = offsetRegExp.exec(normalizeDashes(str))
+  if (m) {
+    return parseOffsetParts(m.slice(1))
   }
 }
 
-function tryParseDurationISO(str: string): Partial<DurationFields> | undefined {
-  const match = durationRegExp.exec(normalizeDashes(str))
-  if (match) {
-    let hours: number | undefined
-    let minutes: number | undefined
-    let seconds: number | undefined
-    let leftoverNano: number | undefined
+// parsing of string parts
+// TODO: don't need toInt1/toInt0 as much because parts are more guaranteed now
+// TODO: combine the zoned/unzoned cases. will simplify caller functions?
 
-    ([hours, leftoverNano] = parseDurationTimeUnit(match[8], match[10], HOUR, undefined));
-    ([minutes, leftoverNano] = parseDurationTimeUnit(match[12], match[14], MINUTE, leftoverNano));
-    ([seconds, leftoverNano] = parseDurationTimeUnit(match[16], match[18], SECOND, leftoverNano))
+function parseZonedDateTimeParts(parts: string[]): ZonedDateTimeParseResult {
+  const zOrOffset = parts[11]
+  let offset: number | undefined
+  let Z = false
 
-    let fields: Partial<DurationFields> = excludeUndefined({
-      years: toIntMaybe(match[2]),
-      months: toIntMaybe(match[3]),
-      weeks: toIntMaybe(match[4]),
-      days: toIntMaybe(match[5]),
-      hours,
-      minutes,
-      seconds,
-    })
+  if (zOrOffset) {
+    Z = zOrOffset.toUpperCase() === 'Z'
+    offset = Z ? 0 : parseOffsetParts(parts.slice(12))
+  }
 
-    if (!Object.keys(fields).length) {
-      throw new RangeError('Duration string must have at least one field')
-    }
-
-    const small = nanoToDayTimeFields(BigInt(leftoverNano || 0), MILLISECOND)
-    fields.milliseconds = small.millisecond
-    fields.microseconds = small.microsecond
-    fields.nanoseconds = small.nanosecond
-
-    if (match[1] === '-') {
-      fields = negateFields(fields)
-    }
-
-    return fields
+  return {
+    ...parseDateTimeParts(parts),
+    timeZone: parts[21],
+    offset,
+    Z,
   }
 }
 
-function parseDurationTimeUnit(
-  beforeDecimal: string | undefined,
-  afterDecimal: string | undefined,
-  unit: TimeUnitInt,
-  leftoverNano: number | undefined,
-): [number | undefined, number | undefined] { // [wholeUnits, leftoverNano]
-  if (beforeDecimal !== undefined) {
-    if (leftoverNano !== undefined) {
-      throw new RangeError('Partial units must be last unit')
-    }
-    return [
-      parseInt(beforeDecimal),
-      afterDecimal !== undefined
-        ? parseNanoAfterDecimal(afterDecimal) * (nanoIn[unit] / nanoInSecond) // mult by # of secs
-        : undefined,
-    ]
-  } else if (leftoverNano !== undefined) {
-    const wholeUnits = Math.trunc(leftoverNano / nanoIn[unit])
-    return [wholeUnits, leftoverNano - (wholeUnits * nanoIn[unit])]
-  } else {
-    return [undefined, undefined]
+function parseDateTimeParts(parts: string[]): DateTimeParseResult {
+  return {
+    calendar: parts[23],
+    isoYear: toInt1(parts[0]),
+    isoMonth: toInt1(parts[1]),
+    isoDay: toInt1(parts[2]),
+    ...parseTimeParts(parts.slice(4)),
   }
 }
 
-// parsing of string parts
-
-function parseDateParts(parts: string[]): DateISOEssentials {
+function parseYearMonthParts(parts: string[]): DateParseResults {
   return {
-    isoYear: toInt1(parts[0]), // TODO: default to epoch year?
+    calendar: parts[14],
+    isoYear: toInt1(parts[0]),
     isoMonth: toInt1(parts[1]),
-    isoDay: toInt1(parts[2]),
+    isoDay: 1,
   }
 }
 
-function parseMonthDayParts(parts: string[]): DateISOEssentials {
+function parseMonthDayParts(parts: string[]): DateParseResults {
   return {
+    calendar: parts[15],
     isoYear: isoEpochLeapYear,
-    isoMonth: toInt1(parts[2]),
-    isoDay: toInt1(parts[3]),
+    isoMonth: toInt1(parts[1]),
+    isoDay: toInt1(parts[2]),
   }
@@ -226,7 +183,7 @@ }
 function parseTimeParts(parts: string[]): TimeISOEssentials {
-  const isoSecond = toInt0(parts[2])
+  const isoSecond = toInt0(parts[4])
   return {
     ...timeLikeToISO( // properties like isoMillisecond/isoMicrosecond
       nanoToDayTimeFields( // properties like millisecond/microsecond
-        BigInt(parseNanoAfterDecimal(parts[4] || '')),
+        BigInt(parseNanoAfterDecimal(parts[6] || '')),
         MILLISECOND,
@@ -236,3 +193,3 @@ ),
     isoHour: toInt0(parts[0]),
-    isoMinute: toInt0(parts[1]),
+    isoMinute: toInt0(parts[2]),
     isoSecond: isoSecond === 60 ? 59 : isoSecond, // massage lead-second
@@ -242,23 +199,16 @@ }
 
-function parseOffsetParts(parts: string[]): number | undefined {
-  const sign = parts[0]
-  if (
-    sign !== undefined &&
-    parts[1] // has hour at least
-  ) {
-    return (sign === '+' ? 1 : -1) * timePartsToNano(parts.slice(1))
-  }
+function parseOffsetParts(parts: string[]): number {
+  return (parts[0] === '+' ? 1 : -1) * timePartsToNano(parts.slice(1))
 }
 
-// time-field utils
+// time parsing as nanoseconds
 
 function timePartsToNano(parts: string[]): number {
   return toInt0(parts[0]) * nanoInHour +
-    toInt0(parts[1]) * nanoInMinute +
-    toInt0(parts[2]) * nanoInSecond +
-    parseNanoAfterDecimal(parts[4] || '') // nanoseconds
+    toInt0(parts[2]) * nanoInMinute +
+    toInt0(parts[4]) * nanoInSecond +
+    parseNanoAfterDecimal(parts[6] || '')
 }
 
-// assumes 9 digits
-function parseNanoAfterDecimal(str: string): number {
+export function parseNanoAfterDecimal(str: string): number {
   return parseInt(str.padEnd(9, '0'))
@@ -277,16 +227,12 @@ }
 
-function toIntMaybe(input: string | undefined): number | undefined {
+export function toIntMaybe(input: string | undefined): number | undefined {
   return input === undefined ? undefined : parseInt(input)
 }
 
-function normalizeDashes(str: string): string {
+export function normalizeDashes(str: string): string {
   return str.replace(unicodeDashRegExp, '-')
 }
 
-function createRegExp(meat: string): RegExp {
-  return new RegExp(`^${meat}$`, 'i')
-}
-
-function throwNoParse(type: string, str: string): any {
+export function createParseError(type: string, str: string): any {
   throw new RangeError(`Cannot parse ${type} '${str}'`)
 }

src/dateUtils/zonedDateTime.ts

@@ -74,6 +74,16 @@ import { getCommonCalendar } from '../argParse/calendar'
 ): ZonedDateTime {
-  const { calendar, timeZone, offset, Z } = isoFields
+  const { calendar, timeZone } = isoFields
+  const epochNano = computeEpochNanoViaOffset(isoFields, offsetHandling) ??
+    timeZone.getInstantFor(createDateTime(isoFields), options).epochNanoseconds
+
+  return new ZonedDateTime(epochNano, timeZone, calendar)
+}
+
+export function computeEpochNanoViaOffset(
+  isoFields: ZonedDateTimeISOEssentials,
+  offsetHandling: OffsetHandlingInt,
+): bigint | undefined {
+  const { timeZone, offset, Z } = isoFields
   let epochNano: bigint | undefined
 
-  // try using the given offset and see what happens...
   if (offset !== undefined && offsetHandling !== OFFSET_IGNORE) {
@@ -95,8 +105,3 @@ epochNano = isoFieldsToEpochNano(isoFields) - BigInt(offset)
 
-  // calculate from timeZone if necessary
-  if (epochNano === undefined) {
-    epochNano = timeZone.getInstantFor(createDateTime(isoFields), options).epochNanoseconds
-  }
-
-  return new ZonedDateTime(epochNano, timeZone, calendar)
+  return epochNano
 }
@@ -103,0 +108,0 @@

src/impl.ts

@@ -10,3 +10,4 @@ /*
 export * from './native/date'
-export * from './native/intl' // TODO: don't export everything
+export type { DateTimeFormatArg, DateTimeFormatRangePart } from './native/intlUtils'
+export { ExtendedDateTimeFormat } from './native/intlExtend'
 
@@ -13,0 +14,0 @@ export { PlainYearMonth } from './public/plainYearMonth'

src/public/calendar.ts

@@ -24,5 +24,5 @@ import {
 import { diffDateFields } from '../dateUtils/diff'
-import { computeISODayOfWeek, isoToEpochMilli } from '../dateUtils/isoMath'
+import { computeISODayOfWeek, isoEpochLeapYear, isoToEpochMilli } from '../dateUtils/isoMath'
 import { MonthDayFields } from '../dateUtils/monthDay'
-import { tryParseDateTimeISO } from '../dateUtils/parse'
+import { tryParseDateTime } from '../dateUtils/parse'
 import { DAY, DateUnitInt, YEAR } from '../dateUtils/units'
@@ -70,3 +70,3 @@ import { computeWeekOfISOYear } from '../dateUtils/week'
     }
-    const parsed = tryParseDateTimeISO(String(arg))
+    const parsed = tryParseDateTime(String(arg))
     return new Calendar(
@@ -206,3 +206,3 @@ parsed // a date-time string?
     const impl = getImpl(this)
-    let { era, eraYear, year, monthCode, day } = fields as Partial<MonthDayFields>
+    let { era, eraYear, year, month, monthCode, day } = fields as Partial<MonthDayFields>
 
@@ -213,10 +213,11 @@ if (day === undefined) {
 
-    if (era !== undefined && eraYear !== undefined) {
+    if (monthCode !== undefined) {
+      year = isoEpochLeapYear
+    } else if (era !== undefined && eraYear !== undefined) {
       year = convertEraYear(impl.id, eraYear, era)
     }
 
-    let yearGuaranteed = year
-    if (yearGuaranteed === undefined) {
+    if (year === undefined) {
       if (monthCode !== undefined) {
-        yearGuaranteed = impl.guessYearForMonthDay(monthCode, day)
+        year = impl.guessYearForMonthDay(monthCode, day)
       } else {
@@ -228,3 +229,3 @@ throw new TypeError('either year or monthCode required with month')
     const isoFields = queryDateISOFields(
-      { ...fields, year: yearGuaranteed! }, // a populated year causes era/eraYear to be ignored
+      { year, month: month!, monthCode: monthCode!, day }, // HACKs!
       impl,
@@ -231,0 +232,0 @@ options,

src/public/duration.ts

@@ -16,3 +16,3 @@ import { durationFieldMap } from '../argParse/fieldStr'
 import { formatDurationISO } from '../dateUtils/isoFormat'
-import { parseDurationISO } from '../dateUtils/parse'
+import { parseDuration } from '../dateUtils/parseDuration'
 import { computeTotalUnits } from '../dateUtils/totalUnits'
@@ -68,3 +68,3 @@ import { NANOSECOND, SECOND, UnitInt, YEAR } from '../dateUtils/units'
         ? refineFields(arg, durationFieldMap)
-        : parseDurationISO(arg),
+        : parseDuration(arg),
     )
@@ -71,0 +71,0 @@ }

src/public/instant.ts

@@ -9,5 +9,6 @@ import { OVERFLOW_REJECT } from '../argParse/overflowHandling'
 import { ComputedEpochFields, mixinEpochFields } from '../dateUtils/mixins'
-import { parseDateTimeISO } from '../dateUtils/parse'
+import { parseZonedDateTime } from '../dateUtils/parse'
 import { nanoInMicroBI, nanoInMilliBI, nanoInSecondBI } from '../dateUtils/units'
-import { OrigDateTimeFormat } from '../native/intl'
+import { createZonedFormatFactoryFactory } from '../native/intlFactory'
+import { ToLocaleStringMethods, mixinLocaleStringMethods } from '../native/intlMixins'
 import { createWeakMap } from '../utils/obj'
@@ -21,3 +22,2 @@ import { Duration } from './duration'
   InstantToStringOptions,
-  LocalesArg,
   TimeDiffOptions,
@@ -44,3 +44,3 @@ TimeRoundingOptions,
 
-    const fields = parseDateTimeISO(String(arg))
+    const fields = parseZonedDateTime(String(arg))
     const offsetNano = fields.offset
@@ -116,14 +116,2 @@ if (offsetNano === undefined) {
 
-  toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string {
-    return new OrigDateTimeFormat(locales, {
-      year: 'numeric',
-      month: 'numeric',
-      day: 'numeric',
-      hour: 'numeric',
-      minute: '2-digit',
-      second: '2-digit',
-      ...options,
-    }).format(this.epochMilliseconds)
-  }
-
   toZonedDateTimeISO(timeZoneArg: TimeZoneArg): ZonedDateTime {
@@ -153,2 +141,14 @@ return new ZonedDateTime(this.epochNanoseconds, timeZoneArg)
 export interface Instant extends ComputedEpochFields {}
+export interface Instant extends ToLocaleStringMethods {}
 mixinEpochFields(Instant)
+mixinLocaleStringMethods(Instant, createZonedFormatFactoryFactory({
+  year: 'numeric',
+  month: 'numeric',
+  day: 'numeric',
+  weekday: undefined,
+  hour: 'numeric',
+  minute: '2-digit',
+  second: '2-digit',
+}, {
+  timeZoneName: undefined,
+}, {}))

src/public/now.ts

 import { nanoInMilliBI } from '../dateUtils/units'
-import { OrigDateTimeFormat } from '../native/intl'
+import { OrigDateTimeFormat } from '../native/intlUtils'
 import { Instant } from './instant'
@@ -4,0 +4,0 @@ import { PlainDate } from './plainDate'

src/public/plainDate.ts

@@ -24,8 +24,9 @@ import { extractCalendar } from '../argParse/calendar'
 } from '../dateUtils/mixins'
-import { createMonthDay } from '../dateUtils/monthDay'
-import { parseDateTimeISO, refineDateTimeParse } from '../dateUtils/parse'
+import { parseDateTime } from '../dateUtils/parse'
+import { refineBaseObj } from '../dateUtils/parseRefine'
 import { ensureLooseTime } from '../dateUtils/time'
 import { DAY, DateUnitInt, YEAR } from '../dateUtils/units'
 import { createYearMonth } from '../dateUtils/yearMonth'
-import { formatUnzoned } from '../native/intl'
+import { createPlainFormatFactoryFactory } from '../native/intlFactory'
+import { ToLocaleStringMethods, mixinLocaleStringMethods } from '../native/intlMixins'
 import { Calendar, createDefaultCalendar } from './calendar'
@@ -47,3 +48,2 @@ import { Duration } from './duration'
   DurationArg,
-  LocalesArg,
   OverflowOptions,
@@ -85,3 +85,3 @@ TimeArg,
 
-    return createDate(refineDateTimeParse(parseDateTimeISO(String(arg))))
+    return createDate(refineBaseObj(parseDateTime(String(arg))))
   }
@@ -149,14 +149,2 @@
 
-  toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string {
-    return formatUnzoned(this, locales, {
-      year: 'numeric',
-      month: 'numeric',
-      day: 'numeric',
-      ...options,
-      hour: undefined,
-      minute: undefined,
-      second: undefined,
-    })
-  }
-
   toZonedDateTime(options: { plainTime?: TimeArg, timeZone: TimeZoneArg }): ZonedDateTime {
@@ -174,3 +162,3 @@ return this.toPlainDateTime(options.plainTime).toZonedDateTime(options.timeZone)
   toPlainYearMonth(): PlainYearMonth { return createYearMonth(this.getISOFields()) }
-  toPlainMonthDay(): PlainMonthDay { return createMonthDay(this.getISOFields()) }
+  toPlainMonthDay(): PlainMonthDay { return this.calendar.monthDayFromFields(this) }
 }
@@ -180,3 +168,14 @@
 export interface PlainDate extends DateCalendarFields { calendar: Calendar }
+export interface PlainDate extends ToLocaleStringMethods {}
 mixinISOFields(PlainDate)
 mixinCalendarFields(PlainDate, dateCalendarFields)
+mixinLocaleStringMethods(PlainDate, createPlainFormatFactoryFactory({
+  year: 'numeric',
+  month: 'numeric',
+  day: 'numeric',
+  weekday: undefined,
+}, {
+  hour: undefined,
+  minute: undefined,
+  second: undefined,
+}))

src/public/plainDateTime.ts

@@ -29,7 +29,8 @@ import { extractCalendar, getStrangerCalendar } from '../argParse/calendar'
 } from '../dateUtils/mixins'
-import { createMonthDay } from '../dateUtils/monthDay'
-import { parseDateTimeISO, refineDateTimeParse } from '../dateUtils/parse'
+import { parseDateTime } from '../dateUtils/parse'
+import { refineBaseObj } from '../dateUtils/parseRefine'
 import { TimeFields, createTime, ensureLooseTime } from '../dateUtils/time'
 import { createYearMonth } from '../dateUtils/yearMonth'
-import { formatUnzoned } from '../native/intl'
+import { createPlainFormatFactoryFactory } from '../native/intlFactory'
+import { ToLocaleStringMethods, mixinLocaleStringMethods } from '../native/intlMixins'
 import { Calendar, createDefaultCalendar } from './calendar'
@@ -55,3 +56,2 @@ import { Duration } from './duration'
   DurationArg,
-  LocalesArg,
   OverflowOptions,
@@ -110,3 +110,3 @@ TimeArg,
           )
-          : refineDateTimeParse(parseDateTimeISO(String(arg))),
+          : refineBaseObj(parseDateTime(String(arg))),
     )
@@ -195,14 +195,2 @@ }
 
-  toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string {
-    return formatUnzoned(this, locales, {
-      year: 'numeric',
-      month: 'numeric',
-      day: 'numeric',
-      hour: 'numeric',
-      minute: '2-digit',
-      second: '2-digit',
-      ...options,
-    })
-  }
-
   // workhorse for converting to ZonedDateTime for other objects
@@ -224,3 +212,3 @@ toZonedDateTime(
   toPlainYearMonth(): PlainYearMonth { return createYearMonth(this.getISOFields()) }
-  toPlainMonthDay(): PlainMonthDay { return createMonthDay(this.getISOFields()) }
+  toPlainMonthDay(): PlainMonthDay { return this.calendar.monthDayFromFields(this) }
   toPlainDate(): PlainDate { return createDate(this.getISOFields()) }
@@ -233,3 +221,13 @@ toPlainTime(): PlainTime { return createTime(this.getISOFields()) }
 export interface PlainDateTime extends TimeFields {}
+export interface PlainDateTime extends ToLocaleStringMethods {}
 mixinISOFields(PlainDateTime, timeUnitNames)
 mixinCalendarFields(PlainDateTime, dateCalendarFields)
+mixinLocaleStringMethods(PlainDateTime, createPlainFormatFactoryFactory({
+  year: 'numeric',
+  month: 'numeric',
+  day: 'numeric',
+  weekday: undefined,
+  hour: 'numeric',
+  minute: '2-digit',
+  second: '2-digit',
+}, {}))

src/public/plainMonthDay.ts

@@ -23,4 +23,8 @@ import { extractCalendar } from '../argParse/calendar'
 } from '../dateUtils/monthDay'
-import { parseMonthDayISO, refineDateTimeParse } from '../dateUtils/parse'
-import { formatUnzoned } from '../native/intl'
+import { parseMonthDay } from '../dateUtils/parse'
+import { refineBaseObj } from '../dateUtils/parseRefine'
+import { createPlainFormatFactoryFactory } from '../native/intlFactory'
+import { ToLocaleStringMethods, mixinLocaleStringMethods } from '../native/intlMixins'
+import {
+} from '../native/intlUtils'
 import { throwNew } from '../utils/obj'
@@ -33,3 +37,2 @@ import { Calendar, createDefaultCalendar } from './calendar'
   DateToStringOptions,
-  LocalesArg,
   MonthDayArg,
@@ -80,3 +83,3 @@ MonthDayLikeFields,
     // a string...
-    const parsed = parseMonthDayISO(String(arg))
+    const parsed = parseMonthDay(String(arg))
 
@@ -88,3 +91,3 @@ // for strings, force ISO year if no calendar specified
 
-    return createMonthDay(refineDateTimeParse(parsed))
+    return createMonthDay(refineBaseObj(parsed))
   }
@@ -114,15 +117,2 @@
 
-  toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string {
-    return formatUnzoned(this, locales, {
-      month: 'numeric',
-      day: 'numeric',
-      ...options,
-      weekday: undefined,
-      year: undefined,
-      hour: undefined,
-      minute: undefined,
-      second: undefined,
-    }, true) // strictCalendar
-  }
-
   toPlainDate(fields: { year: number }, options?: OverflowOptions): PlainDate {
@@ -139,3 +129,14 @@ return this.calendar.dateFromFields({
 export interface PlainMonthDay extends MonthDayCalendarFields { calendar: Calendar }
+export interface PlainMonthDay extends ToLocaleStringMethods {}
 mixinISOFields(PlainMonthDay)
 mixinCalendarFields(PlainMonthDay, monthDayCalendarFields)
+mixinLocaleStringMethods(PlainMonthDay, createPlainFormatFactoryFactory({
+  month: 'numeric',
+  day: 'numeric',
+}, {
+  weekday: undefined,
+  year: undefined,
+  hour: undefined,
+  minute: undefined,
+  second: undefined,
+}, true)) // strictCalendar

src/public/plainTime.ts

@@ -9,3 +9,3 @@ import { timeFieldMap } from '../argParse/fieldStr'
 import { mixinISOFields } from '../dateUtils/mixins'
-import { parseTimeISO } from '../dateUtils/parse'
+import { parseTime } from '../dateUtils/parse'
 import { roundTime } from '../dateUtils/rounding'
@@ -26,3 +26,5 @@ import {
 import { nanoInMilliBI } from '../dateUtils/units'
-import { OrigDateTimeFormat } from '../native/intl'
+import { FormatFactory } from '../native/intlFactory'
+import { ToLocaleStringMethods, mixinLocaleStringMethods } from '../native/intlMixins'
+import { OrigDateTimeFormat } from '../native/intlUtils'
 import { Calendar, createDefaultCalendar } from './calendar'
@@ -36,3 +38,2 @@ import { Duration } from './duration'
   DurationArg,
-  LocalesArg,
   OverflowOptions,
@@ -81,3 +82,3 @@ TimeArg,
           ? timeFieldsToConstrainedISO(refineFields(arg, timeFieldMap), overflowHandling)
-          : parseTimeISO(String(arg)),
+          : parseTime(String(arg)),
     )
@@ -132,4 +133,24 @@ }
 
-  toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string {
-    return new OrigDateTimeFormat(locales, {
+  toZonedDateTime(options: { plainDate: DateArg, timeZone: TimeZoneArg }): ZonedDateTime {
+    return this.toPlainDateTime(options.plainDate).toZonedDateTime(options.timeZone)
+  }
+
+  toPlainDateTime(dateArg: DateArg): PlainDateTime {
+    return ensureObj(PlainDate, dateArg).toPlainDateTime(this)
+  }
+}
+
+// mixin
+export interface PlainTime extends TimeFields { calendar: Calendar }
+export interface PlainTime extends ToLocaleStringMethods {}
+mixinISOFields(PlainTime, timeUnitNames)
+mixinLocaleStringMethods(PlainTime, createPlainTimeFormatFactory)
+
+function createPlainTimeFormatFactory(
+  locales: string[],
+  options: Intl.DateTimeFormatOptions,
+): FormatFactory<PlainTime> {
+  return {
+    buildKey: () => ['', ''],
+    buildFormat: () => new OrigDateTimeFormat(locales, {
       hour: 'numeric',
@@ -145,18 +166,7 @@ minute: '2-digit',
       weekday: undefined,
-    }).format(
-      Number(timeFieldsToNano(this) / nanoInMilliBI),
-    )
+    }),
+    buildEpochMilli: (plainTime: PlainTime) => (
+      Number(timeFieldsToNano(plainTime) / nanoInMilliBI)
+    ),
   }
-
-  toZonedDateTime(options: { plainDate: DateArg, timeZone: TimeZoneArg }): ZonedDateTime {
-    return this.toPlainDateTime(options.plainDate).toZonedDateTime(options.timeZone)
-  }
-
-  toPlainDateTime(dateArg: DateArg): PlainDateTime {
-    return ensureObj(PlainDate, dateArg).toPlainDateTime(this)
-  }
 }
-
-// mixin
-export interface PlainTime extends TimeFields { calendar: Calendar }
-mixinISOFields(PlainTime, timeUnitNames)

src/public/plainYearMonth.ts

@@ -18,3 +18,4 @@ import { extractCalendar } from '../argParse/calendar'
 } from '../dateUtils/mixins'
-import { parseDateTimeISO, refineDateTimeParse } from '../dateUtils/parse'
+import { parseYearMonth } from '../dateUtils/parse'
+import { refineBaseObj } from '../dateUtils/parseRefine'
 import { MONTH, YEAR, YearMonthUnitInt } from '../dateUtils/units'
@@ -26,3 +27,4 @@ import {
 } from '../dateUtils/yearMonth'
-import { formatUnzoned } from '../native/intl'
+import { createPlainFormatFactoryFactory } from '../native/intlFactory'
+import { ToLocaleStringMethods, mixinLocaleStringMethods } from '../native/intlMixins'
 import { Calendar, createDefaultCalendar } from './calendar'
@@ -37,3 +39,2 @@ import { Duration } from './duration'
   DurationArg,
-  LocalesArg,
   OverflowOptions,
@@ -84,3 +85,3 @@ YearMonthArg,
     // a string...
-    const parsed = parseDateTimeISO(String(arg))
+    const parsed = parseYearMonth(String(arg))
 
@@ -92,3 +93,3 @@ // don't allow day-numbers in ISO strings
 
-    return createYearMonth(refineDateTimeParse(parsed))
+    return createYearMonth(refineBaseObj(parsed))
   }
@@ -152,15 +153,2 @@
 
-  toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string {
-    return formatUnzoned(this, locales, {
-      year: 'numeric',
-      month: 'numeric',
-      ...options,
-      weekday: undefined,
-      day: undefined,
-      hour: undefined,
-      minute: undefined,
-      second: undefined,
-    }, true) // strictCalendar
-  }
-
   toPlainDate(fields: { day: number }): PlainDate {
@@ -177,4 +165,15 @@ return this.calendar.dateFromFields({
 export interface PlainYearMonth extends YearMonthCalendarFields { calendar: Calendar }
+export interface PlainYearMonth extends ToLocaleStringMethods {}
 mixinISOFields(PlainYearMonth)
 mixinCalendarFields(PlainYearMonth, yearMonthCalendarFields)
+mixinLocaleStringMethods(PlainYearMonth, createPlainFormatFactoryFactory({
+  year: 'numeric',
+  month: 'numeric',
+}, {
+  weekday: undefined,
+  day: undefined,
+  hour: undefined,
+  minute: undefined,
+  second: undefined,
+}, true)) // strictCalendar
 
@@ -181,0 +180,0 @@ // utils

src/public/timeZone.ts

@@ -7,2 +7,3 @@ import {
 } from '../argParse/disambig'
+import { OFFSET_REJECT } from '../argParse/offsetHandling'
 import { isTimeZoneArgBag, parseTimeZoneFromBag } from '../argParse/timeZone'
@@ -13,3 +14,4 @@ import { AbstractObj, ensureObj } from '../dateUtils/abstract'
 import { epochNanoToISOFields, isoFieldsToEpochSecs } from '../dateUtils/isoMath'
-import { tryParseDateTimeISO } from '../dateUtils/parse'
+import { tryParseZonedDateTime } from '../dateUtils/parse'
+import { refineZonedObj } from '../dateUtils/parseRefine'
 import {
@@ -21,2 +23,3 @@ nanoInMicroBI,
 } from '../dateUtils/units'
+import { computeEpochNanoViaOffset } from '../dateUtils/zonedDateTime'
 import { TimeZoneImpl } from '../timeZoneImpl/timeZoneImpl'
@@ -56,10 +59,18 @@ import { queryTimeZoneImpl } from '../timeZoneImpl/timeZoneImplQuery'
     }
-    const dateTimeParse = tryParseDateTimeISO(String(arg))
-    return new TimeZone(
-      (dateTimeParse && (
-        dateTimeParse.timeZone ||
-        (dateTimeParse.Z && 'UTC') ||
-        (dateTimeParse.offset !== undefined && formatOffsetISO(dateTimeParse.offset))
-      )) || arg, // consider arg the literal time zone ID string
-    )
+
+    const parsed = tryParseZonedDateTime(String(arg))
+
+    if (parsed) {
+      if (parsed.timeZone) {
+        const refined = refineZonedObj(parsed) // TODO: we don't need the calendar
+        computeEpochNanoViaOffset(refined, OFFSET_REJECT) // throws error if offset/tz inconsistent
+        return refined.timeZone
+      } else if (parsed.Z) {
+        return new TimeZone('UTC')
+      } else if (parsed.offset !== undefined) {
+        return new TimeZone(formatOffsetISO(parsed.offset))
+      }
+    }
+
+    return new TimeZone(arg) // consider arg the literal time zone ID string
   }
@@ -66,0 +77,0 @@

src/public/zonedDateTime.ts

@@ -27,4 +27,4 @@ import { extractCalendar, getStrangerCalendar } from '../argParse/calendar'
 } from '../dateUtils/mixins'
-import { createMonthDay } from '../dateUtils/monthDay'
-import { parseDateTimeISO, refineZonedDateTimeParse } from '../dateUtils/parse'
+import { parseZonedDateTime } from '../dateUtils/parse'
+import { refineZonedObj } from '../dateUtils/parseRefine'
 import { TimeFields, createTime } from '../dateUtils/time'
@@ -44,3 +44,4 @@ import { nanoInHour } from '../dateUtils/units'
 } from '../dateUtils/zonedDateTime'
-import { formatZoned } from '../native/intl'
+import { createZonedFormatFactoryFactory } from '../native/intlFactory'
+import { ToLocaleStringMethods, mixinLocaleStringMethods } from '../native/intlMixins'
 import { compareValues } from '../utils/math'
@@ -64,3 +65,2 @@ import { createWeakMap } from '../utils/obj'
   DurationArg,
-  LocalesArg,
   OverflowOptions,
@@ -130,3 +130,3 @@ TimeArg,
           )
-          : refineZonedDateTimeParse(parseDateTimeISO(String(arg))),
+          : refineZonedObj(parseZonedDateTime(String(arg))),
       options,
@@ -267,16 +267,4 @@ offsetHandling,
 
-  toLocaleString(locales?: LocalesArg, options?: Intl.DateTimeFormatOptions): string {
-    return formatZoned(this, locales, {
-      year: 'numeric',
-      month: 'numeric',
-      day: 'numeric',
-      hour: 'numeric',
-      minute: '2-digit',
-      second: '2-digit',
-      ...options,
-    })
-  }
-
   toPlainYearMonth(): PlainYearMonth { return createYearMonth(this.getISOFields()) }
-  toPlainMonthDay(): PlainMonthDay { return createMonthDay(this.getISOFields()) }
+  toPlainMonthDay(): PlainMonthDay { return this.calendar.monthDayFromFields(this) }
   toPlainDateTime(): PlainDateTime { return createDateTime(this.getISOFields()) }
@@ -292,4 +280,16 @@ toPlainDate(): PlainDate { return createDate(this.getISOFields()) }
 export interface ZonedDateTime extends ComputedEpochFields {}
+export interface ZonedDateTime extends ToLocaleStringMethods {}
 mixinISOFields(ZonedDateTime, timeUnitNames)
 mixinCalendarFields(ZonedDateTime, dateCalendarFields)
 mixinEpochFields(ZonedDateTime)
+mixinLocaleStringMethods(ZonedDateTime, createZonedFormatFactoryFactory({
+  year: 'numeric',
+  month: 'numeric',
+  day: 'numeric',
+  weekday: undefined,
+  hour: 'numeric',
+  minute: '2-digit',
+  second: '2-digit',
+}, {
+  timeZoneName: 'short',
+}, {}))

src/shim.ts

@@ -10,8 +10,6 @@ /*
   Calendar,
-  DateTimeFormatArg,
-  DateTimeFormatRangePart,
   Duration,
+  ExtendedDateTimeFormat,
   Instant,
   Now,
-  OrigDateTimeFormat,
   PlainDate,
@@ -25,4 +23,2 @@ PlainDateTime,
   dateToTemporalInstant,
-  normalizeIntlDateArg,
-  normalizeIntlOptionalDateArg,
 } from './impl'
@@ -50,31 +46,5 @@
 
-    class ExtendedDateTimeFormat extends OrigDateTimeFormat {
-      // TODO: methods should have defaults that mirror what objects do for toLocaleString
-
-      format(dateArg?: DateTimeFormatArg): string {
-        return super.format(normalizeIntlOptionalDateArg(dateArg))
-      }
-
-      formatToParts(dateArg?: DateTimeFormatArg): Intl.DateTimeFormatPart[] {
-        return super.formatToParts(normalizeIntlOptionalDateArg(dateArg))
-      }
-
-      formatRange(startArg: DateTimeFormatArg, endArg: DateTimeFormatArg): string {
-        return super.formatRange(normalizeIntlDateArg(startArg), normalizeIntlDateArg(endArg))
-      }
-
-      formatRangeToParts(
-        startArg: DateTimeFormatArg,
-        endArg: DateTimeFormatArg,
-      ): DateTimeFormatRangePart[] {
-        return super.formatRangeToParts(
-          normalizeIntlDateArg(startArg),
-          normalizeIntlDateArg(endArg),
-        )
-      }
-    }
-
     // wasn't possible to patch existing methods. must create subclass
-    (globalThis.Intl as any).DateTimeFormat = ExtendedDateTimeFormat // HACK
+    ;(globalThis.Intl as any).DateTimeFormat = ExtendedDateTimeFormat
   }
 }

src/timeZoneImpl/intlTimeZoneImpl.ts

 import { hashIntlFormatParts, normalizeShortEra } from '../dateUtils/intlFormat'
 import { epochSecondsToISOYear, isoToEpochMilli, isoYearToEpochSeconds } from '../dateUtils/isoMath'
 import { milliInSecond, secondsInDay } from '../dateUtils/units'
-import { OrigDateTimeFormat } from '../native/intl'
+import { OrigDateTimeFormat } from '../native/intlUtils'
 import { compareValues } from '../utils/math'
@@ -9,3 +9,7 @@ import { specialCases } from './specialCases'
 
-const MAX_YEAR_TRAVEL = 5
+// Europe/Amsterdam and America/New_York have long gaps
+// see timezone.spec.ts
+// TODO: this is probably very expensive for timezones WITHOUT transitions
+const MAX_YEAR_TRAVEL = 100
+
 const ISLAND_SEARCH_DAYS = [
@@ -12,0 +16,0 @@ 182, // 50% through year

src/utils/obj.ts

 export type ValueOf<T> = T[keyof T]
 type GenericHash = Record<string, unknown>
 
+// TODO: just use Symbols instead?
+
 // The `object` type is literally required for WeakMap
@@ -5,0 +7,0 @@ // eslint-disable-next-line @typescript-eslint/ban-types

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