Add Welsh (Cymraeg) locale (#1254)

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

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+var formatDistanceLocale = {
+  lessThanXSeconds: {
+    one: 'llai na eiliad',
+    other: 'llai na {{count}} eiliad'
+  },
+
+  xSeconds: {
+    one: '1 eiliad',
+    other: '{{count}} eiliad'
+  },
+
+  halfAMinute: 'hanner munud',
+
+  lessThanXMinutes: {
+    one: 'llai na munud',
+    two: 'llai na 2 funud',
+    other: 'llai na {{count}} munud'
+  },
+
+  xMinutes: {
+    one: '1 funud',
+    two: '2 funud',
+    other: '{{count}} munud'
+  },
+
+  aboutXHours: {
+    one: 'tua 1 awr',
+    other: 'tua {{count}} awr'
+  },
+
+  xHours: {
+    one: '1 awr',
+    other: '{{count}} awr'
+  },
+
+  xDays: {
+    one: '1 diwrnod',
+    other: '{{count}} diwrnod'
+  },
+
+  aboutXMonths: {
+    one: 'tua 1 mis',
+    two: 'tua 2 fis',
+    other: 'tua {{count}} mis'
+  },
+
+  xMonths: {
+    one: '1 mis',
+    two: '2 fis',
+    other: '{{count}} mis'
+  },
+
+  aboutXYears: {
+    one: 'tua 1 flwyddyn',
+    two: 'tua 2 flynedd',
+    other: 'tua {{count}} mlynedd'
+  },
+
+  xYears: {
+    one: '1 flwyddyn',
+    two: '2 flynedd',
+    other: '{{count}} mlynedd'
+  },
+
+  overXYears: {
+    one: 'dros 1 flwyddyn',
+    two: 'dros 2 flynedd',
+    other: 'dros {{count}} mlynedd'
+  },
+
+  almostXYears: {
+    one: 'bron 1 flwyddyn',
+    two: 'bron 2 flynedd',
+    other: 'bron {{count}} mlynedd'
+  }
+}
+
+export default function formatDistance(token, count, options) {
+  options = options || {}
+
+  var result
+  if (typeof formatDistanceLocale[token] === 'string') {
+    result = formatDistanceLocale[token]
+  } else if (count === 1) {
+    result = formatDistanceLocale[token].one
+  } else if (count === 2 && !!formatDistanceLocale[token].two) {
+    result = formatDistanceLocale[token].two
+  } else {
+    result = formatDistanceLocale[token].other.replace('{{count}}', count)
+  }
+
+  if (options.addSuffix) {
+    if (options.comparison > 0) {
+      return 'mewn ' + result
+    } else {
+      return result + ' yn ôl'
+    }
+  }
+
+  return result
+}

src/locale/cy/_lib/formatLong/index.js

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+import buildFormatLongFn from '../../../_lib/buildFormatLongFn/index.js'
+
+var dateFormats = {
+  full: 'EEEE, d MMMM yyyy',
+  long: 'd MMMM yyyy',
+  medium: 'd MMM yyyy',
+  short: 'dd/MM/yyyy'
+}
+
+var timeFormats = {
+  full: 'h:mm:ss a zzzz',
+  long: 'h:mm:ss a z',
+  medium: 'h:mm:ss a',
+  short: 'h:mm a'
+}
+
+var dateTimeFormats = {
+  full: "{{date}} 'am' {{time}}",
+  long: "{{date}} 'am' {{time}}",
+  medium: '{{date}}, {{time}}',
+  short: '{{date}}, {{time}}'
+}
+
+var formatLong = {
+  date: buildFormatLongFn({
+    formats: dateFormats,
+    defaultWidth: 'full'
+  }),
+
+  time: buildFormatLongFn({
+    formats: timeFormats,
+    defaultWidth: 'full'
+  }),
+
+  dateTime: buildFormatLongFn({
+    formats: dateTimeFormats,
+    defaultWidth: 'full'
+  })
+}
+
+export default formatLong

src/locale/cy/_lib/formatRelative/index.js

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+var formatRelativeLocale = {
+  lastWeek: "eeee 'diwethaf am' p",
+  yesterday: "'ddoe am' p",
+  today: "'heddiw am' p",
+  tomorrow: "'yfory am' p",
+  nextWeek: "eeee 'am' p",
+  other: 'P'
+}
+
+export default function formatRelative(token, _date, _baseDate, _options) {
+  return formatRelativeLocale[token]
+}

src/locale/cy/_lib/localize/index.js

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+import buildLocalizeFn from '../../../_lib/buildLocalizeFn/index.js'
+
+var eraValues = {
+  narrow: ['C', 'O'],
+  abbreviated: ['CC', 'OC'],
+  wide: ['Cyn Crist', 'Ar ôl Crist']
+}
+
+var quarterValues = {
+  narrow: ['1', '2', '3', '4'],
+  abbreviated: ['Ch1', 'Ch2', 'Ch3', 'Ch4'],
+  wide: ['Chwarter 1af', '2ail chwarter', '3ydd chwarter', '4ydd chwarter']
+}
+
+// Note: in English, the names of days of the week and months are capitalized.
+// If you are making a new locale based on this one, check if the same is true for the language you're working on.
+// Generally, formatted dates should look like they are in the middle of a sentence,
+// e.g. in Spanish language the weekdays and months should be in the lowercase.
+var monthValues = {
+  narrow: ['I', 'Ch', 'Ma', 'E', 'Mi', 'Me', 'G', 'A', 'Md', 'H', 'T', 'Rh'],
+  abbreviated: [
+    'Ion',
+    'Chwe',
+    'Maw',
+    'Ebr',
+    'Mai',
+    'Meh',
+    'Gor',
+    'Aws',
+    'Med',
+    'Hyd',
+    'Tach',
+    'Rhag'
+  ],
+  wide: [
+    'Ionawr',
+    'Chwefror',
+    'Mawrth',
+    'Ebrill',
+    'Mai',
+    'Mehefin',
+    'Gorffennaf',
+    'Awst',
+    'Medi',
+    'Hydref',
+    'Tachwedd',
+    'Rhagfyr'
+  ]
+}
+
+var dayValues = {
+  narrow: ['S', 'Ll', 'M', 'M', 'I', 'G', 'S'],
+  short: ['Su', 'Ll', 'Ma', 'Me', 'Ia', 'Gw', 'Sa'],
+  abbreviated: ['Sul', 'Llun', 'Maw', 'Mer', 'Iau', 'Gwe', 'Sad'],
+  wide: [
+    'dydd Sul',
+    'dydd Llun',
+    'dydd Mawrth',
+    'dydd Mercher',
+    'dydd Iau',
+    'dydd Gwener',
+    'dydd Sadwrn'
+  ]
+}
+
+var dayPeriodValues = {
+  narrow: {
+    am: 'b',
+    pm: 'h',
+    midnight: 'hn',
+    noon: 'hd',
+    morning: 'bore',
+    afternoon: 'prynhawn',
+    evening: "gyda'r nos",
+    night: 'nos'
+  },
+  abbreviated: {
+    am: 'yb',
+    pm: 'yh',
+    midnight: 'hanner nos',
+    noon: 'hanner dydd',
+    morning: 'bore',
+    afternoon: 'prynhawn',
+    evening: "gyda'r nos",
+    night: 'nos'
+  },
+  wide: {
+    am: 'y.b.',
+    pm: 'y.h.',
+    midnight: 'hanner nos',
+    noon: 'hanner dydd',
+    morning: 'bore',
+    afternoon: 'prynhawn',
+    evening: "gyda'r nos",
+    night: 'nos'
+  }
+}
+var formattingDayPeriodValues = {
+  narrow: {
+    am: 'b',
+    pm: 'h',
+    midnight: 'hn',
+    noon: 'hd',
+    morning: 'yn y bore',
+    afternoon: 'yn y prynhawn',
+    evening: "gyda'r nos",
+    night: 'yn y nos'
+  },
+  abbreviated: {
+    am: 'yb',
+    pm: 'yh',
+    midnight: 'hanner nos',
+    noon: 'hanner dydd',
+    morning: 'yn y bore',
+    afternoon: 'yn y prynhawn',
+    evening: "gyda'r nos",
+    night: 'yn y nos'
+  },
+  wide: {
+    am: 'y.b.',
+    pm: 'y.h.',
+    midnight: 'hanner nos',
+    noon: 'hanner dydd',
+    morning: 'yn y bore',
+    afternoon: 'yn y prynhawn',
+    evening: "gyda'r nos",
+    night: 'yn y nos'
+  }
+}
+
+function ordinalNumber(dirtyNumber, _dirtyOptions) {
+  var number = Number(dirtyNumber)
+
+  if (number < 20) {
+    switch (number) {
+      case 0:
+        return number + 'fed'
+      case 1:
+        return number + 'af'
+      case 2:
+        return number + 'ail'
+      case 3:
+      case 4:
+        return number + 'ydd'
+      case 5:
+      case 6:
+        return number + 'ed'
+      case 7:
+      case 8:
+      case 9:
+      case 10:
+      case 12:
+      case 15:
+      case 18:
+        return number + 'fed'
+      case 11:
+      case 13:
+      case 14:
+      case 16:
+      case 17:
+      case 19:
+        return number + 'eg'
+    }
+  } else if ((number >= 50 && number <= 60) || number === 80 || number >= 100) {
+    return number + 'fed'
+  }
+  return number + 'ain'
+}
+
+var localize = {
+  ordinalNumber: ordinalNumber,
+
+  era: buildLocalizeFn({
+    values: eraValues,
+    defaultWidth: 'wide'
+  }),
+
+  quarter: buildLocalizeFn({
+    values: quarterValues,
+    defaultWidth: 'wide',
+    argumentCallback: function(quarter) {
+      return Number(quarter) - 1
+    }
+  }),
+
+  month: buildLocalizeFn({
+    values: monthValues,
+    defaultWidth: 'wide'
+  }),
+
+  day: buildLocalizeFn({
+    values: dayValues,
+    defaultWidth: 'wide'
+  }),
+
+  dayPeriod: buildLocalizeFn({
+    values: dayPeriodValues,
+    defaultWidth: 'wide',
+    formattingValues: formattingDayPeriodValues,
+    defaultFormattingWidth: 'wide'
+  })
+}
+
+export default localize