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<!DOCTYPE html>
<html>
var buildFormattingTokensRegExp = require('../../_lib/build_formatting_tokens_reg_exp/index.js')

function buildFormatLocale () {
  var months3char = ['1월', '2월', '3월', '4월', '5월', '6월', '7월', '8월', '9월', '10월', '11월', '12월']
  var monthsFull = ['1월', '2월', '3월', '4월', '5월', '6월', '7월', '8월', '9월', '10월', '11월', '12월']
  var weekdays2char = ['일', '월', '화', '수', '목', '금', '토']
  var weekdays3char = ['일', '월', '화', '수', '목', '금', '토']
  var weekdaysFull = ['일요일', '월요일', '화요일', '수요일', '목요일', '금요일', '토요일']
  var meridiemUppercase = ['오전', '오후']
  var meridiemLowercase = ['오전', '오후']
  var meridiemFull = ['오전', '오후']

  var formatters = {
    // Month: Jan, Feb, ..., Dec
    'MMM': function (date) {
      return months3char[date.getMonth()]
    },

    // Month: January, February, ..., December
    'MMMM': function (date) {
      return monthsFull[date.getMonth()]
    },

    // Day of week: Su, Mo, ..., Sa
    'dd': function (date) {
      return weekdays2char[date.getDay()]
    },

    // Day of week: Sun, Mon, ..., Sat
    'ddd': function (date) {
      return weekdays3char[date.getDay()]
    },

    // Day of week: Sunday, Monday, ..., Saturday
    'dddd': function (date) {
      return weekdaysFull[date.getDay()]
    },

    // AM, PM
    'A': function (date) {
      return (date.getHours() / 12) >= 1 ? meridiemUppercase[1] : meridiemUppercase[0]
    },

    // am, pm
    'a': function (date) {
      return (date.getHours() / 12) >= 1 ? meridiemLowercase[1] : meridiemLowercase[0]
    },

    // a.m., p.m.
    'aa': function (date) {
      return (date.getHours() / 12) >= 1 ? meridiemFull[1] : meridiemFull[0]
    }
  }

  // Generate ordinal version of formatters: M -> Mo, D -> Do, etc.
  var ordinalFormatters = ['M', 'D', 'DDD', 'd', 'Q', 'W']
  ordinalFormatters.forEach(function (formatterToken) {
    formatters[formatterToken + 'o'] = function (date, formatters) {
      return ordinal(formatters[formatterToken](date))
    }
  })

  return {
    formatters: formatters,
    formattingTokensRegExp: buildFormattingTokensRegExp(formatters)
  }
}

function ordinal (number) {
  return number + '일'
}

module.exports = buildFormatLocale