avalon2
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an elegant efficient express mvvm framework
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JavaScript
/*
'yyyy': 4 digit representation of year (e.g. AD 1 => 0001, AD 2010 => 2010)
'yy': 2 digit representation of year, padded (00-99). (e.g. AD 2001 => 01, AD 2010 => 10)
'y': 1 digit representation of year, e.g. (AD 1 => 1, AD 199 => 199)
'MMMM': Month in year (January-December)
'MMM': Month in year (Jan-Dec)
'MM': Month in year, padded (01-12)
'M': Month in year (1-12)
'dd': Day in month, padded (01-31)
'd': Day in month (1-31)
'EEEE': Day in Week,(Sunday-Saturday)
'EEE': Day in Week, (Sun-Sat)
'HH': Hour in day, padded (00-23)
'H': Hour in day (0-23)
'hh': Hour in am/pm, padded (01-12)
'h': Hour in am/pm, (1-12)
'mm': Minute in hour, padded (00-59)
'm': Minute in hour (0-59)
'ss': Second in minute, padded (00-59)
's': Second in minute (0-59)
'a': am/pm marker
'Z': 4 digit (+sign) representation of the timezone offset (-1200-+1200)
format string can also be one of the following predefined localizable formats:
'medium': equivalent to 'MMM d, y h:mm:ss a' for en_US locale (e.g. Sep 3, 2010 12:05:08 pm)
'short': equivalent to 'M/d/yy h:mm a' for en_US locale (e.g. 9/3/10 12:05 pm)
'fullDate': equivalent to 'EEEE, MMMM d,y' for en_US locale (e.g. Friday, September 3, 2010)
'longDate': equivalent to 'MMMM d, y' for en_US locale (e.g. September 3, 2010
'mediumDate': equivalent to 'MMM d, y' for en_US locale (e.g. Sep 3, 2010)
'shortDate': equivalent to 'M/d/yy' for en_US locale (e.g. 9/3/10)
'mediumTime': equivalent to 'h:mm:ss a' for en_US locale (e.g. 12:05:08 pm)
'shortTime': equivalent to 'h:mm a' for en_US locale (e.g. 12:05 pm)
*/
function toInt(str) {
return parseInt(str, 10) || 0
}
function padNumber(num, digits, trim) {
var neg = ''
/* istanbul ignore if*/
if (num < 0) {
neg = '-'
num = -num
}
num = '' + num
while (num.length < digits)
num = '0' + num
if (trim)
num = num.substr(num.length - digits)
return neg + num
}
function dateGetter(name, size, offset, trim) {
return function (date) {
var value = date["get" + name]()
if (offset > 0 || value > -offset)
value += offset
if (value === 0 && offset === -12) {
/* istanbul ignore next*/
value = 12
}
return padNumber(value, size, trim)
}
}
function dateStrGetter(name, shortForm) {
return function (date, formats) {
var value = date["get" + name]()
var get = (shortForm ? ("SHORT" + name) : name).toUpperCase()
return formats[get][value]
}
}
function timeZoneGetter(date) {
var zone = -1 * date.getTimezoneOffset()
var paddedZone = (zone >= 0) ? "+" : ""
paddedZone += padNumber(Math[zone > 0 ? "floor" : "ceil"](zone / 60), 2) + padNumber(Math.abs(zone % 60), 2)
return paddedZone
}
//取得上午下午
function ampmGetter(date, formats) {
return date.getHours() < 12 ? formats.AMPMS[0] : formats.AMPMS[1]
}
var DATE_FORMATS = {
yyyy: dateGetter("FullYear", 4),
yy: dateGetter("FullYear", 2, 0, true),
y: dateGetter("FullYear", 1),
MMMM: dateStrGetter("Month"),
MMM: dateStrGetter("Month", true),
MM: dateGetter("Month", 2, 1),
M: dateGetter("Month", 1, 1),
dd: dateGetter("Date", 2),
d: dateGetter("Date", 1),
HH: dateGetter("Hours", 2),
H: dateGetter("Hours", 1),
hh: dateGetter("Hours", 2, -12),
h: dateGetter("Hours", 1, -12),
mm: dateGetter("Minutes", 2),
m: dateGetter("Minutes", 1),
ss: dateGetter("Seconds", 2),
s: dateGetter("Seconds", 1),
sss: dateGetter("Milliseconds", 3),
EEEE: dateStrGetter("Day"),
EEE: dateStrGetter("Day", true),
a: ampmGetter,
Z: timeZoneGetter
}
var rdateFormat = /((?:[^yMdHhmsaZE']+)|(?:'(?:[^']|'')*')|(?:E+|y+|M+|d+|H+|h+|m+|s+|a|Z))(.*)/
var raspnetjson = /^\/Date\((\d+)\)\/$/
export function dateFilter(date, format) {
var locate = dateFilter.locate,
text = "",
parts = [],
fn, match
format = format || "mediumDate"
format = locate[format] || format
if (typeof date === "string") {
if (/^\d+$/.test(date)) {
date = toInt(date)
} else if (raspnetjson.test(date)) {
date = +RegExp.$1
} else {
var trimDate = date.trim()
var dateArray = [0, 0, 0, 0, 0, 0, 0]
var oDate = new Date(0)
//取得年月日
trimDate = trimDate.replace(/^(\d+)\D(\d+)\D(\d+)/, function (_, a, b, c) {
var array = c.length === 4 ? [c, a, b] : [a, b, c]
dateArray[0] = toInt(array[0]) //年
dateArray[1] = toInt(array[1]) - 1 //月
dateArray[2] = toInt(array[2]) //日
return ""
})
var dateSetter = oDate.setFullYear
var timeSetter = oDate.setHours
trimDate = trimDate.replace(/[T\s](\d+):(\d+):?(\d+)?\.?(\d)?/, function (_, a, b, c, d) {
dateArray[3] = toInt(a) //小时
dateArray[4] = toInt(b) //分钟
dateArray[5] = toInt(c) //秒
if (d) { //毫秒
dateArray[6] = Math.round(parseFloat("0." + d) * 1000)
}
return ""
})
var tzHour = 0
var tzMin = 0
trimDate = trimDate.replace(/Z|([+-])(\d\d):?(\d\d)/, function (z, symbol, c, d) {
dateSetter = oDate.setUTCFullYear
timeSetter = oDate.setUTCHours
if (symbol) {
tzHour = toInt(symbol + c)
tzMin = toInt(symbol + d)
}
return ''
})
dateArray[3] -= tzHour
dateArray[4] -= tzMin
dateSetter.apply(oDate, dateArray.slice(0, 3))
timeSetter.apply(oDate, dateArray.slice(3))
date = oDate
}
}
if (typeof date === 'number') {
date = new Date(date)
}
while (format) {
match = rdateFormat.exec(format)
/* istanbul ignore else */
if (match) {
parts = parts.concat(match.slice(1))
format = parts.pop()
} else {
parts.push(format)
format = null
}
}
parts.forEach(function (value) {
fn = DATE_FORMATS[value]
text += fn ? fn(date, locate) : value.replace(/(^'|'$)/g, "").replace(/''/g, "'")
})
return text
}
var locate = {
AMPMS: {
0: '上午',
1: '下午'
},
DAY: {
0: '星期日',
1: '星期一',
2: '星期二',
3: '星期三',
4: '星期四',
5: '星期五',
6: '星期六'
},
MONTH: {
0: '1月',
1: '2月',
2: '3月',
3: '4月',
4: '5月',
5: '6月',
6: '7月',
7: '8月',
8: '9月',
9: '10月',
10: '11月',
11: '12月'
},
SHORTDAY: {
'0': '周日',
'1': '周一',
'2': '周二',
'3': '周三',
'4': '周四',
'5': '周五',
'6': '周六'
},
fullDate: 'y年M月d日EEEE',
longDate: 'y年M月d日',
medium: 'yyyy-M-d H:mm:ss',
mediumDate: 'yyyy-M-d',
mediumTime: 'H:mm:ss',
'short': 'yy-M-d ah:mm',
shortDate: 'yy-M-d',
shortTime: 'ah:mm'
}
locate.SHORTMONTH = locate.MONTH
dateFilter.locate = locate