Add locale nn for Norwegian Nynorsk

CHANGELOG.md

@@ -78,6 +78,9 @@ for the list of changes made since `v2.0.0-alpha.1`.
 - is locale [is updated for v2 format](https://github.com/date-fns/date-fns/pull/1026).
   Kudos to [@lamayg](https://github.com/lamayg).
 
+- [Norwegian Nynorsk locale (nn)](https://github.com/date-fns/date-fns/pull/1172)
+  (thanks to Mats Byrkjeland)[@draperunner](https://github.com/draperunner)
+
 - [Ukrainian locale (ua)](https://github.com/date-fns/date-fns/pull/532)
   (thanks to Andrii Korzh [@korzhyk](https://github.com/korzhyk))
 

src/esm/locale/index.js

@@ -20,6 +20,7 @@ export { default as ja } from './ja/index.js'
 export { default as lt } from './lt/index.js'
 export { default as nb } from './nb/index.js'
 export { default as nl } from './nl/index.js'
+export { default as nn } from './nn/index.js'
 export { default as pt } from './pt/index.js'
 export { default as ptBR } from './pt-BR/index.js'
 export { default as ru } from './ru/index.js'

src/format/index.js.flow

@@ -42,6 +42,7 @@ declare module.exports: (
     weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
     firstWeekContainsDate?: number,
     locale?: Locale,
-    awareOfUnicodeTokens?: boolean
+    useAdditionalWeekYearTokens?: boolean,
+    useAdditionalDayOfYearTokens?: boolean
   }
 ) => string

src/index.js.flow

@@ -224,7 +224,8 @@ declare module.exports: {
       weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
       firstWeekContainsDate?: number,
       locale?: Locale,
-      awareOfUnicodeTokens?: boolean
+      useAdditionalWeekYearTokens?: boolean,
+      useAdditionalDayOfYearTokens?: boolean
     }
   ) => string,
 
@@ -437,7 +438,8 @@ declare module.exports: {
       locale?: Locale,
       weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6,
       firstWeekContainsDate?: 1 | 2 | 3 | 4 | 5 | 6 | 7,
-      awareOfUnicodeTokens?: boolean
+      useAdditionalWeekYearTokens?: boolean,
+      useAdditionalDayOfYearTokens?: boolean
     }
   ) => Date,
 

src/locale/index.js

@@ -21,6 +21,7 @@ module.exports = {
   lt: require('./lt/index.js'),
   nb: require('./nb/index.js'),
   nl: require('./nl/index.js'),
+  nn: require('./nn/index.js'),
   pt: require('./pt/index.js'),
   ptBR: require('./pt-BR/index.js'),
   ru: require('./ru/index.js'),

src/locale/index.js.flow

@@ -69,6 +69,7 @@ declare module.exports: {
   nb: Locale,
   nl: Locale,
   nlBE: Locale,
+  nn: Locale,
   pl: Locale,
   pt: Locale,
   ptBR: Locale,

src/locale/nn/_lib/formatDistance/index.js

@@ -0,0 +1,117 @@
+var formatDistanceLocale = {
+  lessThanXSeconds: {
+    singular: 'mindre enn eitt sekund',
+    plural: 'mindre enn {{count}} sekund'
+  },
+
+  xSeconds: {
+    singular: 'eitt sekund',
+    plural: '{{count}} sekund'
+  },
+
+  halfAMinute: 'eit halvt minutt',
+
+  lessThanXMinutes: {
+    singular: 'mindre enn eitt minutt',
+    plural: 'mindre enn {{count}} minutt'
+  },
+
+  xMinutes: {
+    singular: 'eitt minutt',
+    plural: '{{count}} minutt'
+  },
+
+  aboutXHours: {
+    singular: 'omtrent ein time',
+    plural: 'omtrent {{count}} timar'
+  },
+
+  xHours: {
+    singular: 'ein time',
+    plural: '{{count}} timar'
+  },
+
+  xDays: {
+    singular: 'ein dag',
+    plural: '{{count}} dagar'
+  },
+
+  aboutXMonths: {
+    singular: 'omtrent ein månad',
+    plural: 'omtrent {{count}} månader'
+  },
+
+  xMonths: {
+    singular: 'ein månad',
+    plural: '{{count}} månader'
+  },
+
+  aboutXYears: {
+    singular: 'omtrent eitt år',
+    plural: 'omtrent {{count}} år'
+  },
+
+  xYears: {
+    singular: 'eitt år',
+    plural: '{{count}} år'
+  },
+
+  overXYears: {
+    singular: 'over eitt år',
+    plural: 'over {{count}} år'
+  },
+
+  almostXYears: {
+    singular: 'nesten eitt år',
+    plural: 'nesten {{count}} år'
+  }
+}
+
+var wordMapping = [
+  'null',
+  'ein',
+  'to',
+  'tre',
+  'fire',
+  'fem',
+  'seks',
+  'sju',
+  'åtte',
+  'ni',
+  'ti',
+  'elleve',
+  'tolv'
+]
+
+export default function formatDistance(token, count, options) {
+  options = options || {
+    onlyNumeric: false
+  }
+
+  var translation = formatDistanceLocale[token]
+  var result
+  if (typeof translation === 'string') {
+    result = translation
+  } else if (count === 0 || count > 1) {
+    if (options.onlyNumeric) {
+      result = translation.plural.replace('{{count}}', count)
+    } else {
+      result = translation.plural.replace(
+        '{{count}}',
+        count < 13 ? wordMapping[count] : count
+      )
+    }
+  } else {
+    result = translation.singular
+  }
+
+  if (options.addSuffix) {
+    if (options.comparison > 0) {
+      return 'om ' + result
+    } else {
+      return result + ' sidan'
+    }
+  }
+
+  return result
+}