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Temporal API Examples for Connect 2021 Presentation
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| // Create an Instant | |
| const now = Temporal.Now.instant() | |
| // Plain Objects | |
| const pd = Temporal.Now.plainDateISO() | |
| const pt = Temporal.Now.plainTimeISO() | |
| const pdt = Temporal.Now.plainDateTimeISO() | |
| const pdt2 = Temporal.PlainDateTime.from(pd).withPlainTime(pt) | |
| const pym = Temporal.PlainYearMonth.from({ year: 2020, month: 10 }) | |
| // Zoned Objects | |
| const zdt = pdt.toZonedDateTime('America/New_York') | |
| const fireworks = Temporal.PlainDateTime.from({ year: 2020, month: 7, day: 4 }) | |
| fireworks.toZonedDateTime('America/Denver') | |
| fireworks.toZonedDateTime('America/Phoenix') | |
| // Timezones | |
| const tz1 = Temporal.TimeZone.from('America/New_York') | |
| const i1 = tz1.getInstantFor({ year: 2021, month: 1, day: 23 }) | |
| const tz2 = Temporal.TimeZone.from('Africa/Cairo') | |
| const i2 = tz2.getInstantFor({ year: 2021, month: 1, day: 23 }) | |
| i1.until(i2).total({unit: 'hours'}) | |
| // Strings | |
| Temporal.Now.zonedDateTimeISO().toString() | |
| new Date().toString() | |
| // Duration | |
| const pym2 = Temporal.PlainYearMonth.from({ year: 2020, month: 12 }) | |
| pym.until(pym2) | |
| const a = Temporal.Now.plainDateTimeISO() | |
| const b = Temporal.Now.plainDateTimeISO() | |
| a.since(b) | |
| // Arithmetic | |
| Temporal.Now.instant().add({ hours: 5 }) | |
| const dur3 = Temporal.Duration.from({ hours: 5 }) | |
| Temporal.Now.instant().subtract(dur3) | |
| // Comparison | |
| const veteransDay = Temporal.PlainDate.from('2022-11-11') | |
| const presidentsDay = Temporal.PlainDate.from('2022-02-21') | |
| const memorialDay = Temporal.PlainDate.from('2022-05-30') | |
| [veteransDay, presidentsDay, memorialDay].sort(Temporal.PlainDate.compare).join(' ') | |
| // Balancing / Rounding | |
| const dur = Temporal.Duration.from({ seconds: 90 }) | |
| dur.round({ largestUnit: 'minutes' }) | |
| dur.round({ smallestUnit: 'minutes'}) | |
| dur.round({ smallestUnit: 'minutes', roundingMode: 'floor'}) | |
| const dur2 = Temporal.Duration.from('PT1M30S') | |
| dur2.round({ largestUnit: 'seconds' }) | |
| // Balancing / Relative To | |
| const dur4 = Temporal.Duration.from({ days: 370 }) | |
| dur4.round({ largestUnit: 'year' }); | |
| dur4.round({ largestUnit: 'year', relativeTo: '2019-01-01' }) | |
| dur4.round({ largestUnit: 'year', relativeTo: '2020-01-01' }) | |
| // Balancing / Disambiguation | |
| const unambiguous = Temporal.ZonedDateTime.from('2020-11-01T01:30-08:00[America/Los_Angeles]') | |
| const ambiguous = unambiguous.toPlainDateTime() | |
| ambiguous.toZonedDateTime('America/Los_Angeles') | |
| ambiguous.toZonedDateTime('America/Los_Angeles', { disambiguation: 'compatible'}) | |
| ambiguous.toZonedDateTime('America/Los_Angeles', { disambiguation: 'earlier'}) | |
| ambiguous.toZonedDateTime('America/Los_Angeles', { disambiguation: 'later'}) | |
| ambiguous.toZonedDateTime('America/Los_Angeles', { disambiguation: 'reject'}) |
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