mirror of
https://github.com/denoland/deno.git
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fix(unstable/temporal): implement Temporal.ZonedDateTime.getTimeZoneTransition (#27770)
This patches Temporal to support the `getTimeZoneTransition` method on `ZonedDateTime`. See https://github.com/denoland/deno/issues/27731. Co-authored-by: printfn <printfn@users.noreply.github.com>
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printfn
GitHub
parent
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commit
70d775c57d
4 changed files with 155 additions and 204 deletions
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@ -42,6 +42,7 @@ const {
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ObjectSetPrototypeOf,
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PromisePrototypeThen,
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PromiseResolve,
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RangeError,
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StringPrototypePadEnd,
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Symbol,
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SymbolIterator,
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@ -473,6 +474,136 @@ function exposeUnstableFeaturesForWindowOrWorkerGlobalScope(unstableFeatures) {
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}
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}
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function updateTemporal() {
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// Removes the obsoleted `Temporal` API.
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// https://github.com/tc39/proposal-temporal/pull/2895
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// https://github.com/tc39/proposal-temporal/pull/2914
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// https://github.com/tc39/proposal-temporal/pull/2925
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if (typeof globalThis.Temporal.Instant.fromEpochSeconds === "undefined") {
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throw "V8 removes obsoleted Temporal API now, no need to delete them";
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}
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delete globalThis.Temporal.Instant.fromEpochSeconds;
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delete globalThis.Temporal.Instant.fromEpochMicroseconds;
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delete globalThis.Temporal.Instant.prototype.epochSeconds;
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delete globalThis.Temporal.Instant.prototype.epochMicroseconds;
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delete globalThis.Temporal.Instant.prototype.toZonedDateTime;
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delete globalThis.Temporal.PlainDate.prototype.getISOFiels; // weird
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delete globalThis.Temporal.PlainDate.prototype.getISOFields;
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delete globalThis.Temporal.PlainDateTime.prototype.withPlainDate;
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delete globalThis.Temporal.PlainDateTime.prototype.toPlainYearMonth;
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delete globalThis.Temporal.PlainDateTime.prototype.toPlainMonthDay;
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delete globalThis.Temporal.PlainDateTime.prototype.getISOFields;
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delete globalThis.Temporal.PlainMonthDay.prototype.getISOFields;
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delete globalThis.Temporal.PlainTime.prototype.calendar;
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delete globalThis.Temporal.PlainTime.prototype.toPlainDateTime;
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delete globalThis.Temporal.PlainTime.prototype.toZonedDateTime;
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delete globalThis.Temporal.PlainTime.prototype.getISOFields;
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delete globalThis.Temporal.PlainYearMonth.prototype.getISOFields;
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delete globalThis.Temporal.ZonedDateTime.prototype.epochSeconds;
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delete globalThis.Temporal.ZonedDateTime.prototype.epochMicroseconds;
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delete globalThis.Temporal.ZonedDateTime.prototype.withPlainDate;
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delete globalThis.Temporal.ZonedDateTime.prototype.toPlainYearMonth;
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delete globalThis.Temporal.ZonedDateTime.prototype.toPlainMonthDay;
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delete globalThis.Temporal.ZonedDateTime.prototype.getISOFields;
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delete globalThis.Temporal.Now.zonedDateTime;
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delete globalThis.Temporal.Now.plainDateTime;
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delete globalThis.Temporal.Now.plainDate;
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delete globalThis.Temporal.Calendar;
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delete globalThis.Temporal.TimeZone;
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// Modify `Temporal.Calendar` to calendarId string
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ArrayPrototypeForEach([
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globalThis.Temporal.PlainDate,
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globalThis.Temporal.PlainDateTime,
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globalThis.Temporal.PlainMonthDay,
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globalThis.Temporal.PlainYearMonth,
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globalThis.Temporal.ZonedDateTime,
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], (target) => {
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const getCalendar =
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ObjectGetOwnPropertyDescriptor(target.prototype, "calendar").get;
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ObjectDefineProperty(target.prototype, "calendarId", {
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__proto__: null,
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get: function calendarId() {
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return FunctionPrototypeCall(getCalendar, this).id;
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},
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enumerable: false,
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configurable: true,
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});
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delete target.prototype.calendar;
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});
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// Modify `Temporal.TimeZone` to timeZoneId string
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{
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const getTimeZone = ObjectGetOwnPropertyDescriptor(
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globalThis.Temporal.ZonedDateTime.prototype,
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"timeZone",
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).get;
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ObjectDefineProperty(
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globalThis.Temporal.ZonedDateTime.prototype,
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"timeZoneId",
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{
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__proto__: null,
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get: function timeZoneId() {
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return FunctionPrototypeCall(getTimeZone, this).id;
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},
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enumerable: false,
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configurable: true,
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},
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);
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ObjectAssign(globalThis.Temporal.ZonedDateTime.prototype, {
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getTimeZoneTransition(options) {
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if (options === undefined) {
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throw new TypeError("options parameter is required");
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}
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if (typeof options === "string") {
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options = {
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direction: options,
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};
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}
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const direction = options.direction;
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if (direction === undefined) {
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throw new TypeError("direction option is required");
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}
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const tz = FunctionPrototypeCall(getTimeZone, this);
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let resultInstant;
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switch (direction) {
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case "next":
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resultInstant = tz.getNextTransition(this.toInstant());
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break;
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case "previous":
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resultInstant = tz.getPreviousTransition(this.toInstant());
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break;
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default:
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throw new RangeError(
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`direction must be one of next, previous, not ${options.direction}`,
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);
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}
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return resultInstant?.toZonedDateTimeISO(tz.id) ?? null;
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},
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});
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delete globalThis.Temporal.ZonedDateTime.prototype.timeZone;
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}
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{
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const nowTimeZone = globalThis.Temporal.Now.timeZone;
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ObjectDefineProperty(globalThis.Temporal.Now, "timeZoneId", {
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__proto__: null,
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value: function timeZoneId() {
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return nowTimeZone().id;
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},
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writable: true,
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enumerable: false,
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configurable: true,
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});
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delete globalThis.Temporal.Now.timeZone;
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}
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// deno-lint-ignore prefer-primordials
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if (new Temporal.Duration().toLocaleString("en-US") !== "PT0S") {
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throw "V8 supports Temporal.Duration.prototype.toLocaleString now, no need to shim it";
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}
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shimTemporalDurationToLocaleString();
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}
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function shimTemporalDurationToLocaleString() {
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const DurationFormat = Intl.DurationFormat;
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if (!DurationFormat) {
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@ -803,102 +934,7 @@ function bootstrapMainRuntime(runtimeOptions, warmup = false) {
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delete globalThis.Temporal;
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delete globalThis.Date.prototype.toTemporalInstant;
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} else {
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// Removes the obsoleted `Temporal` API.
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// https://github.com/tc39/proposal-temporal/pull/2895
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// https://github.com/tc39/proposal-temporal/pull/2914
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// https://github.com/tc39/proposal-temporal/pull/2925
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if (typeof globalThis.Temporal.Instant.fromEpochSeconds === "undefined") {
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throw "V8 removes obsoleted Temporal API now, no need to delete them";
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}
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delete globalThis.Temporal.Instant.fromEpochSeconds;
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delete globalThis.Temporal.Instant.fromEpochMicroseconds;
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delete globalThis.Temporal.Instant.prototype.epochSeconds;
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delete globalThis.Temporal.Instant.prototype.epochMicroseconds;
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delete globalThis.Temporal.Instant.prototype.toZonedDateTime;
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delete globalThis.Temporal.PlainDate.prototype.getISOFiels; // weird
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delete globalThis.Temporal.PlainDate.prototype.getISOFields;
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delete globalThis.Temporal.PlainDateTime.prototype.withPlainDate;
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delete globalThis.Temporal.PlainDateTime.prototype.toPlainYearMonth;
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delete globalThis.Temporal.PlainDateTime.prototype.toPlainMonthDay;
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delete globalThis.Temporal.PlainDateTime.prototype.getISOFields;
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delete globalThis.Temporal.PlainMonthDay.prototype.getISOFields;
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delete globalThis.Temporal.PlainTime.prototype.calendar;
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delete globalThis.Temporal.PlainTime.prototype.toPlainDateTime;
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delete globalThis.Temporal.PlainTime.prototype.toZonedDateTime;
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delete globalThis.Temporal.PlainTime.prototype.getISOFields;
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delete globalThis.Temporal.PlainYearMonth.prototype.getISOFields;
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delete globalThis.Temporal.ZonedDateTime.prototype.epochSeconds;
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delete globalThis.Temporal.ZonedDateTime.prototype.epochMicroseconds;
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delete globalThis.Temporal.ZonedDateTime.prototype.withPlainDate;
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delete globalThis.Temporal.ZonedDateTime.prototype.toPlainYearMonth;
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delete globalThis.Temporal.ZonedDateTime.prototype.toPlainMonthDay;
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delete globalThis.Temporal.ZonedDateTime.prototype.getISOFields;
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delete globalThis.Temporal.Now.zonedDateTime;
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delete globalThis.Temporal.Now.plainDateTime;
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delete globalThis.Temporal.Now.plainDate;
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delete globalThis.Temporal.Calendar;
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delete globalThis.Temporal.TimeZone;
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// Modify `Temporal.Calendar` to calendarId string
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ArrayPrototypeForEach([
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globalThis.Temporal.PlainDate,
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globalThis.Temporal.PlainDateTime,
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globalThis.Temporal.PlainMonthDay,
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globalThis.Temporal.PlainYearMonth,
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globalThis.Temporal.ZonedDateTime,
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], (target) => {
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const getCalendar =
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ObjectGetOwnPropertyDescriptor(target.prototype, "calendar").get;
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ObjectDefineProperty(target.prototype, "calendarId", {
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__proto__: null,
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get: function calendarId() {
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return FunctionPrototypeCall(getCalendar, this).id;
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},
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enumerable: false,
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configurable: true,
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});
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delete target.prototype.calendar;
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});
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// Modify `Temporal.TimeZone` to timeZoneId string
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{
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const getTimeZone = ObjectGetOwnPropertyDescriptor(
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globalThis.Temporal.ZonedDateTime.prototype,
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"timeZone",
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).get;
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ObjectDefineProperty(
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globalThis.Temporal.ZonedDateTime.prototype,
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"timeZoneId",
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{
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__proto__: null,
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get: function timeZoneId() {
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return FunctionPrototypeCall(getTimeZone, this).id;
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},
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enumerable: false,
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configurable: true,
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},
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);
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delete globalThis.Temporal.ZonedDateTime.prototype.timeZone;
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}
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{
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const nowTimeZone = globalThis.Temporal.Now.timeZone;
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ObjectDefineProperty(globalThis.Temporal.Now, "timeZoneId", {
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__proto__: null,
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value: function timeZoneId() {
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return nowTimeZone().id;
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},
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writable: true,
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enumerable: false,
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configurable: true,
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});
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delete globalThis.Temporal.Now.timeZone;
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}
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// deno-lint-ignore prefer-primordials
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if (new Temporal.Duration().toLocaleString("en-US") !== "PT0S") {
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throw "V8 supports Temporal.Duration.prototype.toLocaleString now, no need to shim it";
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}
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shimTemporalDurationToLocaleString();
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updateTemporal();
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}
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// Setup `Deno` global - we're actually overriding already existing global
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@ -1014,98 +1050,7 @@ function bootstrapWorkerRuntime(
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delete globalThis.Temporal;
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delete globalThis.Date.prototype.toTemporalInstant;
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} else {
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// Removes the obsoleted `Temporal` API.
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// https://github.com/tc39/proposal-temporal/pull/2895
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// https://github.com/tc39/proposal-temporal/pull/2914
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// https://github.com/tc39/proposal-temporal/pull/2925
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if (typeof globalThis.Temporal.Instant.fromEpochSeconds === "undefined") {
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throw "V8 removes obsoleted Temporal API now, no need to delete them";
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}
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delete globalThis.Temporal.Instant.fromEpochSeconds;
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delete globalThis.Temporal.Instant.fromEpochMicroseconds;
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delete globalThis.Temporal.Instant.prototype.epochSeconds;
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delete globalThis.Temporal.Instant.prototype.epochMicroseconds;
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delete globalThis.Temporal.Instant.prototype.toZonedDateTime;
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delete globalThis.Temporal.PlainDate.prototype.getISOFiels; // weird
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delete globalThis.Temporal.PlainDate.prototype.getISOFields;
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delete globalThis.Temporal.PlainDateTime.prototype.withPlainDate;
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delete globalThis.Temporal.PlainDateTime.prototype.toPlainYearMonth;
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delete globalThis.Temporal.PlainDateTime.prototype.toPlainMonthDay;
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delete globalThis.Temporal.PlainDateTime.prototype.getISOFields;
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delete globalThis.Temporal.PlainMonthDay.prototype.getISOFields;
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delete globalThis.Temporal.PlainTime.prototype.calendar;
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delete globalThis.Temporal.PlainTime.prototype.toPlainDateTime;
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delete globalThis.Temporal.PlainTime.prototype.toZonedDateTime;
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delete globalThis.Temporal.PlainTime.prototype.getISOFields;
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delete globalThis.Temporal.PlainYearMonth.prototype.getISOFields;
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delete globalThis.Temporal.ZonedDateTime.prototype.epochSeconds;
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delete globalThis.Temporal.ZonedDateTime.prototype.epochMicroseconds;
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delete globalThis.Temporal.ZonedDateTime.prototype.withPlainDate;
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delete globalThis.Temporal.ZonedDateTime.prototype.toPlainYearMonth;
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delete globalThis.Temporal.ZonedDateTime.prototype.toPlainMonthDay;
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delete globalThis.Temporal.ZonedDateTime.prototype.getISOFields;
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delete globalThis.Temporal.Now.zonedDateTime;
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delete globalThis.Temporal.Now.plainDateTime;
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delete globalThis.Temporal.Now.plainDate;
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delete globalThis.Temporal.Calendar;
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delete globalThis.Temporal.TimeZone;
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// Modify `Temporal.Calendar` to calendarId string
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ArrayPrototypeForEach([
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globalThis.Temporal.PlainDate,
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globalThis.Temporal.PlainDateTime,
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globalThis.Temporal.PlainMonthDay,
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globalThis.Temporal.PlainYearMonth,
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globalThis.Temporal.ZonedDateTime,
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], (target) => {
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const getCalendar =
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ObjectGetOwnPropertyDescriptor(target.prototype, "calendar").get;
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ObjectDefineProperty(target.prototype, "calendarId", {
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__proto__: null,
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get: function calendarId() {
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return FunctionPrototypeCall(getCalendar, this).id;
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},
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enumerable: false,
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configurable: true,
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});
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delete target.prototype.calendar;
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});
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// Modify `Temporal.TimeZone` to timeZoneId string
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{
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const getTimeZone = ObjectGetOwnPropertyDescriptor(
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globalThis.Temporal.ZonedDateTime.prototype,
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"timeZone",
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).get;
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ObjectDefineProperty(
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globalThis.Temporal.ZonedDateTime.prototype,
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"timeZoneId",
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{
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__proto__: null,
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get: function timeZoneId() {
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return FunctionPrototypeCall(getTimeZone, this).id;
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},
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enumerable: false,
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configurable: true,
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},
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);
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delete globalThis.Temporal.ZonedDateTime.prototype.timeZone;
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}
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{
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const nowTimeZone = globalThis.Temporal.Now.timeZone;
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ObjectDefineProperty(globalThis.Temporal.Now, "timeZoneId", {
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__proto__: null,
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value: function timeZoneId() {
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return nowTimeZone().id;
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},
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writable: true,
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enumerable: false,
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configurable: true,
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});
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delete globalThis.Temporal.Now.timeZone;
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}
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shimTemporalDurationToLocaleString();
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updateTemporal();
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}
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// Setup `Deno` global - we're actually overriding already existing global
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