feat: Add malagasy (mg 🇲🇬) locale

src/locale/mg.js

@@ -0,0 +1,49 @@
+// Malagasy 🇲🇬 [mg]
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'mg',
+  weekdays: 'alahady_alatsinainy_talata_alarobia_alakamisy_zoma_asabotsy'.split('_'),
+  weekdaysShort: 'alh._lts._tlt._lrb._lkm._zom._sab.'.split('_'),
+  weekdaysMin: 'alh_lts_tlt_lrb_lkm_zom_sab'.split('_'),
+  months: 'janoary_febroary_martsa_aprily_may_jona_jolay_aogositra_septambra_octobra_novambra_desambra'.split('_'),
+  monthsShort: 'jan._feb._mar_apr._mai_jon_jol._aog_sep._oct._nov._des.'.split('_'),
+  weekStart: 1,
+  yearStart: 4,
+  ordinal: n => n,
+  formats: {
+    LT: 'HH:mm',
+    LTS: 'HH:mm:ss',
+    L: 'DD/MM/YYYY',
+    LL: 'D MMMM YYYY',
+    LLL: 'D MMMM YYYY HH:mm',
+    LLLL: 'dddd D MMMM YYYY HH:mm'
+  },
+  relativeTime: {
+    future: 'afaka %s',
+    past: '%s lasa',
+    s: 'segondra vitsy',
+    m: 'iray minitra',
+    mm: '%d minitra',
+    h: 'ora iray',
+    hh: '%d ora',
+    d: 'iray andro',
+    dd: '%d andro',
+    M: 'iray volana',
+    MM: '%d volana',
+    y: 'iray taona',
+    yy: '%d taona'
+  },
+  calendar: {
+    sameDay: "[Anio amin'ny] HH:mm",
+    nextDay: "[Rahampitso amin'ny] HH:mm",
+    nextWeek: "dddd [amin'ny] HH:mm",
+    lastDay: "[Omaly tamin'ny] HH:mm",
+    lastWeek: "dddd [tamin'ny] HH:mm",
+    sameElse: 'DD/MM/YYYY'
+  }
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale

test/locale/mg.test.js

@@ -0,0 +1,116 @@
+import MockDate from 'mockdate'
+import dayjs from '../../src'
+import relativeTime from '../../src/plugin/relativeTime'
+import calendar from '../../src/plugin/calendar'
+import '../../src/locale/mg'
+
+dayjs.extend(relativeTime)
+dayjs.extend(calendar)
+
+beforeEach(() => {
+  MockDate.set(new Date('2022-01-19T12:00:00'))
+})
+
+afterEach(() => {
+  MockDate.reset()
+})
+
+it('Malagasy locale relative time in past and future with suffix', () => {
+  const cases = [
+    [1, 's', 'afaka segondra vitsy'],
+    [-1, 's', 'segondra vitsy lasa'],
+    [1, 'm', 'afaka iray minitra'],
+    [-1, 'm', 'iray minitra lasa'],
+    [1, 'h', 'afaka ora iray'],
+    [-1, 'h', 'ora iray lasa'],
+    [1, 'd', 'afaka iray andro'],
+    [-1, 'd', 'iray andro lasa'],
+    [2, 'd', 'afaka 2 andro'],
+    [-2, 'd', '2 andro lasa'],
+    [10, 'd', 'afaka 10 andro'],
+    [-10, 'd', '10 andro lasa'],
+    [6, 'm', 'afaka 6 minitra'],
+    [-6, 'm', '6 minitra lasa'],
+    [5, 'h', 'afaka 5 ora'],
+    [-5, 'h', '5 ora lasa'],
+    [3, 'M', 'afaka 3 volana'],
+    [-3, 'M', '3 volana lasa'],
+    [4, 'y', 'afaka 4 taona'],
+    [-4, 'y', '4 taona lasa']
+  ]
+
+  cases.forEach(([amount, unit, expected]) => {
+    expect(dayjs()
+      .add(amount, unit)
+      .locale('mg')
+      .fromNow()).toBe(expected)
+  })
+})
+
+it('Malagasy locale relative time in past and future without suffix', () => {
+  const cases = [
+    [1, 's', 'segondra vitsy'],
+    [-1, 's', 'segondra vitsy'],
+    [1, 'm', 'iray minitra'],
+    [-1, 'm', 'iray minitra'],
+    [1, 'h', 'ora iray'],
+    [-1, 'h', 'ora iray'],
+    [1, 'd', 'iray andro'],
+    [-1, 'd', 'iray andro'],
+    [2, 'd', '2 andro'],
+    [-2, 'd', '2 andro'],
+    [10, 'd', '10 andro'],
+    [-10, 'd', '10 andro'],
+    [6, 'm', '6 minitra'],
+    [-6, 'm', '6 minitra'],
+    [5, 'h', '5 ora'],
+    [-5, 'h', '5 ora'],
+    [3, 'M', '3 volana'],
+    [-3, 'M', '3 volana'],
+    [4, 'y', '4 taona'],
+    [-4, 'y', '4 taona']
+  ]
+
+  cases.forEach(([amount, unit, expected]) => {
+    expect(dayjs()
+      .add(amount, unit)
+      .locale('mg')
+      .fromNow(true)).toBe(expected)
+  })
+})
+
+it('Malagasy locale calendar format', () => {
+  const base = dayjs('2022-01-19T12:00:00')
+  const cases = [
+    { diff: -1, unit: 'd', expected: "Omaly tamin'ny 12:00" },
+    { diff: 0, unit: 'd', expected: "Anio amin'ny 12:00" },
+    { diff: 1, unit: 'd', expected: "Rahampitso amin'ny 12:00" }
+  ]
+
+  cases.forEach(({ diff, unit, expected }) => {
+    const result = base
+      .add(diff, unit)
+      .locale('mg')
+      .calendar(base)
+    expect(result).toBe(expected)
+  })
+})
+
+it('Malagasy locale long date format (DD/MM/YYYY)', () => {
+  const date = dayjs('2022-01-19')
+  const expected = '19/01/2022'
+  expect(date.locale('mg').format('DD/MM/YYYY')).toBe(expected)
+})
+
+it('Malagasy locale weekday and month name', () => {
+  const date = dayjs('2022-01-19') // alarobia
+
+  const expectedWeekday = 'alarobia'
+  const expectedShortWeekday = 'lrb.'
+  const expectedMonth = 'janoary'
+
+  const d = date.locale('mg')
+  expect(d.format('dddd')).toBe(expectedWeekday)
+  expect(d.format('ddd')).toBe(expectedShortWeekday)
+  expect(d.format('MMMM')).toBe(expectedMonth)
+})