index.js
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var buildFormattingTokensRegExp = require('../../_lib/build_formatting_tokens_reg_exp/index.js')
function buildFormatLocale () {
// 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 months3char = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
var monthsFull = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
var weekdays2char = ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']
var weekdays3char = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
var weekdaysFull = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday']
var meridiemUppercase = ['AM', 'PM']
var meridiemLowercase = ['am', 'pm']
var meridiemFull = ['a.m.', 'p.m.']
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) {
var rem100 = number % 100
if (rem100 > 20 || rem100 < 10) {
switch (rem100 % 10) {
case 1:
return number + 'st'
case 2:
return number + 'nd'
case 3:
return number + 'rd'
}
}
return number + 'th'
}
module.exports = buildFormatLocale