zent
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一套前端设计语言和基于React的实现
337 lines (336 loc) • 9.54 kB
JavaScript
var token = /d{1,4}|M{1,4}|YY(?:YY)?|S{1,3}|Do|ZZ|([HhMsDm])\1?|[aA]|"[^"]*"|'[^']*'/g;
var twoDigits = '\\d\\d?';
var threeDigits = '\\d{3}';
var fourDigits = '\\d{4}';
var word = '[^\\s]+';
var literal = /\[([^]*?)\]/gm;
var noop = function () { };
var dayNames = [
'Sunday',
'Monday',
'Tuesday',
'Wednesday',
'Thursday',
'Friday',
'Saturday',
];
var monthNames = [
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December',
];
var monthNamesShort = shorten(monthNames, 3);
var dayNamesShort = shorten(dayNames, 3);
export var i18n = {
dayNamesShort: dayNamesShort,
dayNames: dayNames,
monthNamesShort: monthNamesShort,
monthNames: monthNames,
amPm: ['am', 'pm'],
DoFn: function DoFn(D) {
return (D +
['th', 'st', 'nd', 'rd'][D % 10 > 3 ? 0 : ((D - (D % 10) !== 10 ? 1 : 0) * D) % 10]);
},
};
export var masks = {
default: 'ddd MMM DD YYYY HH:mm:ss',
shortDate: 'M/D/YY',
mediumDate: 'MMM D, YYYY',
longDate: 'MMMM D, YYYY',
fullDate: 'dddd, MMMM D, YYYY',
shortTime: 'HH:mm',
mediumTime: 'HH:mm:ss',
longTime: 'HH:mm:ss.SSS',
};
var formatFlags = {
D: function (dateObj) {
return String(dateObj.getDate());
},
DD: function (dateObj) {
return pad(dateObj.getDate());
},
Do: function (dateObj, i18n) {
return i18n.DoFn(dateObj.getDate());
},
d: function (dateObj) {
return String(dateObj.getDay());
},
dd: function (dateObj) {
return pad(dateObj.getDay());
},
ddd: function (dateObj, i18n) {
return i18n.dayNamesShort[dateObj.getDay()];
},
dddd: function (dateObj, i18n) {
return i18n.dayNames[dateObj.getDay()];
},
M: function (dateObj) {
return String(dateObj.getMonth() + 1);
},
MM: function (dateObj) {
return pad(dateObj.getMonth() + 1);
},
MMM: function (dateObj, i18n) {
return i18n.monthNamesShort[dateObj.getMonth()];
},
MMMM: function (dateObj, i18n) {
return i18n.monthNames[dateObj.getMonth()];
},
YY: function (dateObj) {
return pad(String(dateObj.getFullYear()), 4).substr(2);
},
YYYY: function (dateObj) {
return pad(dateObj.getFullYear(), 4);
},
h: function (dateObj) {
return String(dateObj.getHours() % 12 || 12);
},
hh: function (dateObj) {
return pad(dateObj.getHours() % 12 || 12);
},
H: function (dateObj) {
return String(dateObj.getHours());
},
HH: function (dateObj) {
return pad(dateObj.getHours());
},
m: function (dateObj) {
return String(dateObj.getMinutes());
},
mm: function (dateObj) {
return pad(dateObj.getMinutes());
},
s: function (dateObj) {
return String(dateObj.getSeconds());
},
ss: function (dateObj) {
return pad(dateObj.getSeconds());
},
S: function (dateObj) {
return String(Math.round(dateObj.getMilliseconds() / 100));
},
SS: function (dateObj) {
return pad(Math.round(dateObj.getMilliseconds() / 10), 2);
},
SSS: function (dateObj) {
return pad(dateObj.getMilliseconds(), 3);
},
a: function (dateObj, i18n) {
return dateObj.getHours() < 12 ? i18n.amPm[0] : i18n.amPm[1];
},
A: function (dateObj, i18n) {
return dateObj.getHours() < 12
? i18n.amPm[0].toUpperCase()
: i18n.amPm[1].toUpperCase();
},
ZZ: function (dateObj) {
var o = dateObj.getTimezoneOffset();
return ((o > 0 ? '-' : '+') +
pad(Math.floor(Math.abs(o) / 60) * 100 + (Math.abs(o) % 60), 4));
},
};
var parseFlags = {
D: [twoDigits, setDay],
DD: [twoDigits, setDay],
Do: [twoDigits + word, setDay],
M: [twoDigits, setMonth],
MM: [twoDigits, setMonth],
YY: [
twoDigits,
function (d, v) {
var y = parseInt(v, 10);
var da = new Date();
var cent = parseInt(String(da.getFullYear()).substr(0, 2), 10);
var year = String(y > 68 ? cent - 1 : cent) + v;
d.year = parseInt(year, 10);
},
],
h: [twoDigits, setHour],
hh: [twoDigits, setHour],
H: [twoDigits, setHour],
HH: [twoDigits, setHour],
m: [twoDigits, setMinute],
mm: [twoDigits, setMinute],
s: [twoDigits, setSecond],
ss: [twoDigits, setSecond],
YYYY: [
fourDigits,
function (d, v) {
d.year = parseInt(v, 10);
},
],
S: [
'\\d',
function (d, v) {
d.millisecond = parseInt(v, 10) * 100;
},
],
SS: [
'\\d{2}',
function (d, v) {
d.millisecond = parseInt(v, 10) * 10;
},
],
SSS: [
threeDigits,
function (d, v) {
d.millisecond = parseInt(v, 10);
},
],
d: [twoDigits, noop],
dd: [twoDigits, noop],
ddd: [word, noop],
dddd: [word, noop],
MMM: [word, monthUpdate('monthNamesShort')],
MMMM: [word, monthUpdate('monthNames')],
a: [word, setPm],
A: [word, setPm],
ZZ: [
'[^\\s]*?[\\+\\-]\\d\\d:?\\d\\d|[^\\s]*?Z',
function (d, v) {
var parts = (v + '').match(/([+-]|\d\d)/gi);
var minutes;
if (parts) {
minutes = parseInt(parts[1], 10) * 60 + parseInt(parts[2], 10);
d.timezoneOffset = parts[0] === '+' ? minutes : -minutes;
}
},
],
};
export function format(dateObj, mask, i18nSettings) {
if (i18nSettings === void 0) { i18nSettings = i18n; }
if (typeof dateObj === 'number') {
dateObj = new Date(dateObj);
}
if (Object.prototype.toString.call(dateObj) !== '[object Date]' ||
isNaN(dateObj.getTime())) {
throw new Error('Invalid Date in fecha.format');
}
mask = masks[mask] || mask || masks['default'];
var literals = [];
mask = mask.replace(literal, function ($0, $1) {
literals.push($1);
return '@@@';
});
mask = mask.replace(token, function ($0) {
return $0 in formatFlags
? formatFlags[$0](dateObj, i18nSettings)
: $0.slice(1, $0.length - 1);
});
return mask.replace(/@@@/g, function () {
return literals.shift();
});
}
export function parse(dateStr, format, i18nSettings) {
if (i18nSettings === void 0) { i18nSettings = i18n; }
if (typeof format !== 'string') {
throw new Error('Invalid format in fecha.parse');
}
format = masks[format] || format;
if (dateStr.length > 1000) {
return null;
}
var dateInfo = {};
var parseInfo = [];
var literals = [];
format = format.replace(literal, function ($0, $1) {
literals.push($1);
return '@@@';
});
var newFormat = regexEscape(format).replace(token, function ($0) {
if (parseFlags[$0]) {
var info = parseFlags[$0];
parseInfo.push(info[1]);
return '(' + info[0] + ')';
}
return $0;
});
newFormat = newFormat.replace(/@@@/g, function () {
return literals.shift();
});
var matches = new RegExp(newFormat, 'i').exec(dateStr);
if (!matches) {
return null;
}
for (var i = 1; i < matches.length; i++) {
parseInfo[i - 1](dateInfo, matches[i], i18nSettings);
}
var today = new Date();
if (dateInfo.isPm === true &&
dateInfo.hour != null &&
+dateInfo.hour !== 12) {
dateInfo.hour = +dateInfo.hour + 12;
}
else if (dateInfo.isPm === false && +dateInfo.hour === 12) {
dateInfo.hour = 0;
}
var date;
if (dateInfo.timezoneOffset != null) {
dateInfo.minute = +(dateInfo.minute || 0) - +dateInfo.timezoneOffset;
date = new Date(Date.UTC(dateInfo.year || today.getFullYear(), dateInfo.month || 0, dateInfo.day || 1, dateInfo.hour || 0, dateInfo.minute || 0, dateInfo.second || 0, dateInfo.millisecond || 0));
}
else {
date = new Date(dateInfo.year || today.getFullYear(), dateInfo.month || 0, dateInfo.day || 1, dateInfo.hour || 0, dateInfo.minute || 0, dateInfo.second || 0, dateInfo.millisecond || 0);
}
return date;
}
function regexEscape(str) {
return str.replace(/[|\\{()[^$+*?.-]/g, '\\$&');
}
function shorten(arr, sLen) {
var newArr = [];
for (var i = 0, len = arr.length; i < len; i++) {
newArr.push(arr[i].substr(0, sLen));
}
return newArr;
}
function monthUpdate(arrName) {
return function (d, v, i18n) {
var index = i18n[arrName].indexOf(v.charAt(0).toUpperCase() + v.substr(1).toLowerCase());
if (~index) {
d.month = index;
}
};
}
function setMonth(d, v) {
var m = parseInt(v, 10);
d.month = m - 1;
}
function setDay(d, v) {
d.day = parseInt(v, 10);
}
function setHour(d, v) {
d.hour = parseInt(v, 10);
}
function setMinute(d, v) {
d.minute = parseInt(v, 10);
}
function setSecond(d, v) {
d.second = parseInt(v, 10);
}
function setPm(d, v, i18n) {
var val = v.toLowerCase();
if (val === i18n.amPm[0]) {
d.isPm = false;
}
else if (val === i18n.amPm[1]) {
d.isPm = true;
}
}
function pad(val, len) {
if (len === void 0) { len = 2; }
val = String(val);
while (val.length < len) {
val = '0' + val;
}
return val;
}