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path: root/date-fns/src/locale/uk/_lib/formatRelative/index.js
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import isSameUTCWeek from '../../../../_lib/isSameUTCWeek/index'

var accusativeWeekdays = [
  'неділю',
  'понеділок',
  'вівторок',
  'середу',
  'четвер',
  'п’ятницю',
  'суботу'
]

function lastWeek(day) {
  var weekday = accusativeWeekdays[day]

  switch (day) {
    case 0:
    case 3:
    case 5:
    case 6:
      return "'у минулу " + weekday + " о' p"
    case 1:
    case 2:
    case 4:
      return "'у минулий " + weekday + " о' p"
  }
}

function thisWeek(day) {
  var weekday = accusativeWeekdays[day]

  return "'у " + weekday + " о' p"
}

function nextWeek(day) {
  var weekday = accusativeWeekdays[day]

  switch (day) {
    case 0:
    case 3:
    case 5:
    case 6:
      return "'у наступну " + weekday + " о' p"
    case 1:
    case 2:
    case 4:
      return "'у наступний " + weekday + " о' p"
  }
}

var formatRelativeLocale = {
  lastWeek: function(date, baseDate, options) {
    var day = date.getUTCDay()
    if (isSameUTCWeek(date, baseDate, options)) {
      return thisWeek(day)
    } else {
      return lastWeek(day)
    }
  },
  yesterday: "'вчора о' p",
  today: "'сьогодні о' p",
  tomorrow: "'завтра о' p",
  nextWeek: function(date, baseDate, options) {
    var day = date.getUTCDay()
    if (isSameUTCWeek(date, baseDate, options)) {
      return thisWeek(day)
    } else {
      return nextWeek(day)
    }
  },
  other: 'P'
}

export default function formatRelative(token, date, baseDate, options) {
  var format = formatRelativeLocale[token]

  if (typeof format === 'function') {
    return format(date, baseDate, options)
  }

  return format
}