329 lines
9.9 KiB
JavaScript
329 lines
9.9 KiB
JavaScript
var getDayOfYear = require('../get_day_of_year/index.js')
|
|
var getISOWeek = require('../get_iso_week/index.js')
|
|
var getISOYear = require('../get_iso_year/index.js')
|
|
var parse = require('../parse/index.js')
|
|
var isValid = require('../is_valid/index.js')
|
|
var enLocale = require('../locale/en/index.js')
|
|
|
|
/**
|
|
* @category Common Helpers
|
|
* @summary Format the date.
|
|
*
|
|
* @description
|
|
* Return the formatted date string in the given format.
|
|
*
|
|
* Accepted tokens:
|
|
* | Unit | Token | Result examples |
|
|
* |-------------------------|-------|----------------------------------|
|
|
* | Month | M | 1, 2, ..., 12 |
|
|
* | | Mo | 1st, 2nd, ..., 12th |
|
|
* | | MM | 01, 02, ..., 12 |
|
|
* | | MMM | Jan, Feb, ..., Dec |
|
|
* | | MMMM | January, February, ..., December |
|
|
* | Quarter | Q | 1, 2, 3, 4 |
|
|
* | | Qo | 1st, 2nd, 3rd, 4th |
|
|
* | Day of month | D | 1, 2, ..., 31 |
|
|
* | | Do | 1st, 2nd, ..., 31st |
|
|
* | | DD | 01, 02, ..., 31 |
|
|
* | Day of year | DDD | 1, 2, ..., 366 |
|
|
* | | DDDo | 1st, 2nd, ..., 366th |
|
|
* | | DDDD | 001, 002, ..., 366 |
|
|
* | Day of week | d | 0, 1, ..., 6 |
|
|
* | | do | 0th, 1st, ..., 6th |
|
|
* | | dd | Su, Mo, ..., Sa |
|
|
* | | ddd | Sun, Mon, ..., Sat |
|
|
* | | dddd | Sunday, Monday, ..., Saturday |
|
|
* | Day of ISO week | E | 1, 2, ..., 7 |
|
|
* | ISO week | W | 1, 2, ..., 53 |
|
|
* | | Wo | 1st, 2nd, ..., 53rd |
|
|
* | | WW | 01, 02, ..., 53 |
|
|
* | Year | YY | 00, 01, ..., 99 |
|
|
* | | YYYY | 1900, 1901, ..., 2099 |
|
|
* | ISO week-numbering year | GG | 00, 01, ..., 99 |
|
|
* | | GGGG | 1900, 1901, ..., 2099 |
|
|
* | AM/PM | A | AM, PM |
|
|
* | | a | am, pm |
|
|
* | | aa | a.m., p.m. |
|
|
* | Hour | H | 0, 1, ... 23 |
|
|
* | | HH | 00, 01, ... 23 |
|
|
* | | h | 1, 2, ..., 12 |
|
|
* | | hh | 01, 02, ..., 12 |
|
|
* | Minute | m | 0, 1, ..., 59 |
|
|
* | | mm | 00, 01, ..., 59 |
|
|
* | Second | s | 0, 1, ..., 59 |
|
|
* | | ss | 00, 01, ..., 59 |
|
|
* | 1/10 of second | S | 0, 1, ..., 9 |
|
|
* | 1/100 of second | SS | 00, 01, ..., 99 |
|
|
* | Millisecond | SSS | 000, 001, ..., 999 |
|
|
* | Timezone | Z | -01:00, +00:00, ... +12:00 |
|
|
* | | ZZ | -0100, +0000, ..., +1200 |
|
|
* | Seconds timestamp | X | 512969520 |
|
|
* | Milliseconds timestamp | x | 512969520900 |
|
|
*
|
|
* The characters wrapped in square brackets are escaped.
|
|
*
|
|
* The result may vary by locale.
|
|
*
|
|
* @param {Date|String|Number} date - the original date
|
|
* @param {String} [format='YYYY-MM-DDTHH:mm:ss.SSSZ'] - the string of tokens
|
|
* @param {Object} [options] - the object with options
|
|
* @param {Object} [options.locale=enLocale] - the locale object
|
|
* @returns {String} the formatted date string
|
|
*
|
|
* @example
|
|
* // Represent 11 February 2014 in middle-endian format:
|
|
* var result = format(
|
|
* new Date(2014, 1, 11),
|
|
* 'MM/DD/YYYY'
|
|
* )
|
|
* //=> '02/11/2014'
|
|
*
|
|
* @example
|
|
* // Represent 2 July 2014 in Esperanto:
|
|
* var eoLocale = require('date-fns/locale/eo')
|
|
* var result = format(
|
|
* new Date(2014, 6, 2),
|
|
* 'Do [de] MMMM YYYY',
|
|
* {locale: eoLocale}
|
|
* )
|
|
* //=> '2-a de julio 2014'
|
|
*/
|
|
function format (dirtyDate, dirtyFormatStr, dirtyOptions) {
|
|
var formatStr = dirtyFormatStr ? String(dirtyFormatStr) : 'YYYY-MM-DDTHH:mm:ss.SSSZ'
|
|
var options = dirtyOptions || {}
|
|
|
|
var locale = options.locale
|
|
var localeFormatters = enLocale.format.formatters
|
|
var formattingTokensRegExp = enLocale.format.formattingTokensRegExp
|
|
if (locale && locale.format && locale.format.formatters) {
|
|
localeFormatters = locale.format.formatters
|
|
|
|
if (locale.format.formattingTokensRegExp) {
|
|
formattingTokensRegExp = locale.format.formattingTokensRegExp
|
|
}
|
|
}
|
|
|
|
var date = parse(dirtyDate)
|
|
|
|
if (!isValid(date)) {
|
|
return 'Invalid Date'
|
|
}
|
|
|
|
var formatFn = buildFormatFn(formatStr, localeFormatters, formattingTokensRegExp)
|
|
|
|
return formatFn(date)
|
|
}
|
|
|
|
var formatters = {
|
|
// Month: 1, 2, ..., 12
|
|
'M': function (date) {
|
|
return date.getMonth() + 1
|
|
},
|
|
|
|
// Month: 01, 02, ..., 12
|
|
'MM': function (date) {
|
|
return addLeadingZeros(date.getMonth() + 1, 2)
|
|
},
|
|
|
|
// Quarter: 1, 2, 3, 4
|
|
'Q': function (date) {
|
|
return Math.ceil((date.getMonth() + 1) / 3)
|
|
},
|
|
|
|
// Day of month: 1, 2, ..., 31
|
|
'D': function (date) {
|
|
return date.getDate()
|
|
},
|
|
|
|
// Day of month: 01, 02, ..., 31
|
|
'DD': function (date) {
|
|
return addLeadingZeros(date.getDate(), 2)
|
|
},
|
|
|
|
// Day of year: 1, 2, ..., 366
|
|
'DDD': function (date) {
|
|
return getDayOfYear(date)
|
|
},
|
|
|
|
// Day of year: 001, 002, ..., 366
|
|
'DDDD': function (date) {
|
|
return addLeadingZeros(getDayOfYear(date), 3)
|
|
},
|
|
|
|
// Day of week: 0, 1, ..., 6
|
|
'd': function (date) {
|
|
return date.getDay()
|
|
},
|
|
|
|
// Day of ISO week: 1, 2, ..., 7
|
|
'E': function (date) {
|
|
return date.getDay() || 7
|
|
},
|
|
|
|
// ISO week: 1, 2, ..., 53
|
|
'W': function (date) {
|
|
return getISOWeek(date)
|
|
},
|
|
|
|
// ISO week: 01, 02, ..., 53
|
|
'WW': function (date) {
|
|
return addLeadingZeros(getISOWeek(date), 2)
|
|
},
|
|
|
|
// Year: 00, 01, ..., 99
|
|
'YY': function (date) {
|
|
return addLeadingZeros(date.getFullYear(), 4).substr(2)
|
|
},
|
|
|
|
// Year: 1900, 1901, ..., 2099
|
|
'YYYY': function (date) {
|
|
return addLeadingZeros(date.getFullYear(), 4)
|
|
},
|
|
|
|
// ISO week-numbering year: 00, 01, ..., 99
|
|
'GG': function (date) {
|
|
return String(getISOYear(date)).substr(2)
|
|
},
|
|
|
|
// ISO week-numbering year: 1900, 1901, ..., 2099
|
|
'GGGG': function (date) {
|
|
return getISOYear(date)
|
|
},
|
|
|
|
// Hour: 0, 1, ... 23
|
|
'H': function (date) {
|
|
return date.getHours()
|
|
},
|
|
|
|
// Hour: 00, 01, ..., 23
|
|
'HH': function (date) {
|
|
return addLeadingZeros(date.getHours(), 2)
|
|
},
|
|
|
|
// Hour: 1, 2, ..., 12
|
|
'h': function (date) {
|
|
var hours = date.getHours()
|
|
if (hours === 0) {
|
|
return 12
|
|
} else if (hours > 12) {
|
|
return hours % 12
|
|
} else {
|
|
return hours
|
|
}
|
|
},
|
|
|
|
// Hour: 01, 02, ..., 12
|
|
'hh': function (date) {
|
|
return addLeadingZeros(formatters['h'](date), 2)
|
|
},
|
|
|
|
// Minute: 0, 1, ..., 59
|
|
'm': function (date) {
|
|
return date.getMinutes()
|
|
},
|
|
|
|
// Minute: 00, 01, ..., 59
|
|
'mm': function (date) {
|
|
return addLeadingZeros(date.getMinutes(), 2)
|
|
},
|
|
|
|
// Second: 0, 1, ..., 59
|
|
's': function (date) {
|
|
return date.getSeconds()
|
|
},
|
|
|
|
// Second: 00, 01, ..., 59
|
|
'ss': function (date) {
|
|
return addLeadingZeros(date.getSeconds(), 2)
|
|
},
|
|
|
|
// 1/10 of second: 0, 1, ..., 9
|
|
'S': function (date) {
|
|
return Math.floor(date.getMilliseconds() / 100)
|
|
},
|
|
|
|
// 1/100 of second: 00, 01, ..., 99
|
|
'SS': function (date) {
|
|
return addLeadingZeros(Math.floor(date.getMilliseconds() / 10), 2)
|
|
},
|
|
|
|
// Millisecond: 000, 001, ..., 999
|
|
'SSS': function (date) {
|
|
return addLeadingZeros(date.getMilliseconds(), 3)
|
|
},
|
|
|
|
// Timezone: -01:00, +00:00, ... +12:00
|
|
'Z': function (date) {
|
|
return formatTimezone(date.getTimezoneOffset(), ':')
|
|
},
|
|
|
|
// Timezone: -0100, +0000, ... +1200
|
|
'ZZ': function (date) {
|
|
return formatTimezone(date.getTimezoneOffset())
|
|
},
|
|
|
|
// Seconds timestamp: 512969520
|
|
'X': function (date) {
|
|
return Math.floor(date.getTime() / 1000)
|
|
},
|
|
|
|
// Milliseconds timestamp: 512969520900
|
|
'x': function (date) {
|
|
return date.getTime()
|
|
}
|
|
}
|
|
|
|
function buildFormatFn (formatStr, localeFormatters, formattingTokensRegExp) {
|
|
var array = formatStr.match(formattingTokensRegExp)
|
|
var length = array.length
|
|
|
|
var i
|
|
var formatter
|
|
for (i = 0; i < length; i++) {
|
|
formatter = localeFormatters[array[i]] || formatters[array[i]]
|
|
if (formatter) {
|
|
array[i] = formatter
|
|
} else {
|
|
array[i] = removeFormattingTokens(array[i])
|
|
}
|
|
}
|
|
|
|
return function (date) {
|
|
var output = ''
|
|
for (var i = 0; i < length; i++) {
|
|
if (array[i] instanceof Function) {
|
|
output += array[i](date, formatters)
|
|
} else {
|
|
output += array[i]
|
|
}
|
|
}
|
|
return output
|
|
}
|
|
}
|
|
|
|
function removeFormattingTokens (input) {
|
|
if (input.match(/\[[\s\S]/)) {
|
|
return input.replace(/^\[|]$/g, '')
|
|
}
|
|
return input.replace(/\\/g, '')
|
|
}
|
|
|
|
function formatTimezone (offset, delimeter) {
|
|
delimeter = delimeter || ''
|
|
var sign = offset > 0 ? '-' : '+'
|
|
var absOffset = Math.abs(offset)
|
|
var hours = Math.floor(absOffset / 60)
|
|
var minutes = absOffset % 60
|
|
return sign + addLeadingZeros(hours, 2) + delimeter + addLeadingZeros(minutes, 2)
|
|
}
|
|
|
|
function addLeadingZeros (number, targetLength) {
|
|
var output = Math.abs(number).toString()
|
|
while (output.length < targetLength) {
|
|
output = '0' + output
|
|
}
|
|
return output
|
|
}
|
|
|
|
module.exports = format
|