fix: Add en-in, en-tt locales (#855)

src/locale/en-in.js

@@ -0,0 +1,46 @@
+// English (India) [en-in]
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'en-in',
+  weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
+  weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
+  weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
+  months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'),
+  monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
+  weekStart: 1,
+  yearStart: 4,
+  relativeTime: {
+    future: 'in %s',
+    past: '%s ago',
+    s: 'a few seconds',
+    m: 'a minute',
+    mm: '%d minutes',
+    h: 'an hour',
+    hh: '%d hours',
+    d: 'a day',
+    dd: '%d days',
+    M: 'a month',
+    MM: '%d months',
+    y: 'a year',
+    yy: '%d years'
+  },
+  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'
+  },
+  ordinal: (n) => {
+    const s = ['th', 'st', 'nd', 'rd']
+    const v = n % 100
+    return `[${n}${(s[(v - 20) % 10] || s[v] || s[0])}]`
+  }
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale
+

src/locale/en-tt.js

@@ -0,0 +1,46 @@
+// English (Trinidad & Tobago) [en-tt]
+import dayjs from 'dayjs'
+
+const locale = {
+  name: 'en-tt',
+  weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
+  weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
+  weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
+  months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'),
+  monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
+  weekStart: 1,
+  yearStart: 4,
+  relativeTime: {
+    future: 'in %s',
+    past: '%s ago',
+    s: 'a few seconds',
+    m: 'a minute',
+    mm: '%d minutes',
+    h: 'an hour',
+    hh: '%d hours',
+    d: 'a day',
+    dd: '%d days',
+    M: 'a month',
+    MM: '%d months',
+    y: 'a year',
+    yy: '%d years'
+  },
+  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'
+  },
+  ordinal: (n) => {
+    const s = ['th', 'st', 'nd', 'rd']
+    const v = n % 100
+    return `[${n}${(s[(v - 20) % 10] || s[v] || s[0])}]`
+  }
+}
+
+dayjs.locale(locale, null, true)
+
+export default locale
+

test/locale/en.test.js

@@ -0,0 +1,24 @@
+import dayjs from '../../src'
+import '../../src/locale/en'
+import '../../src/locale/en-gb'
+import '../../src/locale/en-in'
+import '../../src/locale/en-tt'
+import localizedFormat from '../../src/plugin/localizedFormat'
+
+dayjs.extend(localizedFormat)
+
+const locales = [
+  { locale: 'en', expectedDate: '12/25/2019' },
+  { locale: 'en-gb', expectedDate: '25/12/2019' },
+  { locale: 'en-in', expectedDate: '25/12/2019' },
+  { locale: 'en-tt', expectedDate: '25/12/2019' }
+]
+
+describe('English date formats', () => {
+  locales.forEach((locale) => {
+    it(`should correctly format date with locale - ${locale.locale}`, () => {
+      const dayjsWithLocale = dayjs('2019-12-25').locale(locale.locale)
+      expect(dayjsWithLocale.format('L')).toEqual(locale.expectedDate)
+    })
+  })
+})