tor-browser

The Tor Browser
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year-month.js (3608B)

      1 // |reftest| skip-if(!this.hasOwnProperty("Temporal")||!this.hasOwnProperty("Intl"))
      2 
      3 // Test formatting for Temporal.YearMonth.
      4 
      5 const locales = [
      6  "en",
      7  "de",
      8  "fr",
      9  "es",
     10  "ar",
     11  "th",
     12  "zh",
     13  "ja",
     14 ];
     15 
     16 const options = [
     17  {
     18    year: "numeric",
     19    month: "numeric",
     20  },
     21  {
     22    month: "long",
     23  },
     24 
     25  {
     26    era: "long",
     27    year: "numeric",
     28  },
     29  {
     30    era: "short",
     31    year: "2-digit",
     32    month: "narrow",
     33  },
     34 ];
     35 
     36 const dateStyles = [
     37  "full", "long", "medium", "short"
     38 ];
     39 
     40 // The current implementation computes the skeleton from the resolved pattern,
     41 // which doesn't always produce the correct results. It'd be better to compute
     42 // the skeleton from ICU's "DateTimeSkeletons" resource table. This requires
     43 // writing manual resource lookup code, though. And "DateTimeSkeletons" doesn't
     44 // (yet) contain the correct skeletons in all cases. For more info see these
     45 // ICU and CLDR bugs:
     46 // - https://unicode-org.atlassian.net/browse/ICU-22867
     47 // - https://unicode-org.atlassian.net/browse/CLDR-14993
     48 // - https://unicode-org.atlassian.net/browse/CLDR-18136
     49 
     50 const dateStyleToOptions = {
     51  full: {
     52    year: "numeric",
     53    month: "long",
     54  },
     55  long: {
     56    year: "numeric",
     57    month: "long",
     58  },
     59  medium: {
     60    year: "numeric",
     61    month: "short",
     62  },
     63  short: {
     64    year: "2-digit",
     65    month: "numeric",
     66  },
     67  overrides: {
     68    de: {
     69      medium: {
     70        year: "numeric",
     71        month: "2-digit",
     72      },
     73      short: {
     74        year: "2-digit",
     75        month: "2-digit",
     76      },
     77    },
     78    fr: {
     79      short: {
     80        year: "numeric",
     81        month: "2-digit",
     82      },
     83    },
     84    ar: {
     85      medium: {
     86        year: "numeric",
     87        month: "2-digit",
     88      },
     89      short: {
     90        year: "numeric",
     91        month: "numeric",
     92      },
     93    },
     94    th: {
     95      full: {
     96        era: "short",
     97        year: "numeric",
     98        month: "long",
     99      },
    100    },
    101    zh: {
    102      full: {
    103        year: "numeric",
    104        month: "numeric",
    105      },
    106      long: {
    107        year: "numeric",
    108        month: "numeric",
    109      },
    110      medium: {
    111        year: "numeric",
    112        month: "numeric",
    113      },
    114      short: {
    115        year: "numeric",
    116        month: "numeric",
    117      },
    118    },
    119    ja: {
    120      full: {
    121        year: "numeric",
    122        month: "numeric",
    123      },
    124      long: {
    125        year: "numeric",
    126        month: "numeric",
    127      },
    128      medium: {
    129        year: "numeric",
    130        month: "2-digit",
    131      },
    132      short: {
    133        year: "numeric",
    134        month: "2-digit",
    135      },
    136    },
    137  },
    138 };
    139 
    140 const timeZone = "UTC";
    141 
    142 let date = new Date(0);
    143 let instant = date.toTemporalInstant();
    144 let zonedDateTime = instant.toZonedDateTimeISO(timeZone);
    145 let plainDate = zonedDateTime.toPlainDate();
    146 
    147 for (let locale of locales) {
    148  // Get the default calendar for |locale|.
    149  let calendar = new Intl.DateTimeFormat(locale).resolvedOptions().calendar;
    150 
    151  // Calendar must match for YearMonth.
    152  //
    153  // https://github.com/js-temporal/proposal-temporal-v2/issues/29
    154  let plainYearMonth = plainDate.withCalendar(calendar).toPlainYearMonth();
    155 
    156  for (let opts of options) {
    157    assertEq(
    158      plainYearMonth.toLocaleString(locale, {timeZone, ...opts}),
    159      date.toLocaleDateString(locale, {timeZone, ...opts})
    160    );
    161  }
    162 
    163  for (let dateStyle of dateStyles) {
    164    let opts = dateStyleToOptions.overrides[locale]?.[dateStyle] ?? dateStyleToOptions[dateStyle];
    165    assertEq(
    166      plainYearMonth.toLocaleString(locale, {timeZone, dateStyle}),
    167      date.toLocaleDateString(locale, {timeZone, ...opts})
    168    );
    169  }
    170 }
    171 
    172 if (typeof reportCompare === "function")
    173  reportCompare(true, true);