print-date
Version:
Print out date string for ES6
210 lines (198 loc) • 9.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.PrintDate = undefined;
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
exports.printDate = printDate;
var _lodash = require('lodash');
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var token = /d{1,4}|E{1,4}|M{1,4}|yy(?:yy)?|([HhmsAa])\1?|[LloSzWN]|"[^"]*"|'[^']*'/g;
var timezone = /\b(?:[PMCEA][SDP]T|(?:Pacific|Mountain|Central|Eastern|Atlantic) (?:Standard|Daylight|Prevailing) Time|(?:GMT|UTC)(?:[-+]\d{4})?)\b/g;
var timezoneClip = /[^-+\dA-Z]/g;
function right(str, pos) {
return str.substr(str.length - pos);
}
function localDate(yy, mm, dd, hh, mi, ss) {
var _ud = void 0;
if (mm < 0) mm = 0;
if (typeof hh === 'undefined') hh = 12;
if (typeof mi === 'undefined') mi = 0;
_ud = new Date(Date.UTC(yy, mm, dd || 1, hh, mi, ss || 0));
if (mm === 0 && dd === 1 && _ud.getUTCHours() + _ud.getTimezoneOffset() / 60 < 0) {
_ud.setUTCHours(0);
} else {
_ud.setUTCHours(_ud.getUTCHours() + _ud.getTimezoneOffset() / 60);
}
return _ud;
}
function getWeek(date) {
// https://github.com/felixge/node-dateformat
var targetThursday = void 0,
firstThursday = void 0,
ds = void 0,
weekDiff = void 0;
// Remove time components of date
targetThursday = new Date(date.getFullYear(), date.getMonth(), date.getDate());
// Change date to Thursday same week
targetThursday.setDate(targetThursday.getDate() - (targetThursday.getDay() + 6) % 7 + 3);
// Take January 4th as it is always in week 1 (see ISO 8601)
firstThursday = new Date(targetThursday.getFullYear(), 0, 4);
// Change date to Thursday same week
firstThursday.setDate(firstThursday.getDate() - (firstThursday.getDay() + 6) % 7 + 3);
// Check if daylight-saving-time-switch occurred and correct for it
ds = targetThursday.getTimezoneOffset() - firstThursday.getTimezoneOffset();
targetThursday.setHours(targetThursday.getHours() - ds);
// Number of weeks between target Thursday and first Thursday
weekDiff = (targetThursday - firstThursday) / (86400000 * 7);
return 1 + Math.floor(weekDiff);
}
function getDayOfWeek(date) {
// https://github.com/felixge/node-dateformat
var dow = date.getDay();
if (dow === 0) {
dow = 7;
}
return dow;
}
function pad(s) {
var l = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 2;
return (0, _lodash.padStart)(s, l, '0');
}
var PrintDate = exports.PrintDate = function () {
function PrintDate() {
_classCallCheck(this, PrintDate);
this.currDate = new Date();
}
_createClass(PrintDate, [{
key: 'setDate',
value: function setDate(date) {
var currDate = new Date();
var yy = void 0,
mm = void 0,
dd = void 0,
hh = void 0,
mi = void 0,
aDateTime = void 0,
aTimes = void 0,
aTime = void 0,
aDate = void 0,
va = void 0;
var ISO_8601 = /^\d{4}(-\d\d(-\d\d(T\d\d:\d\d(:\d\d)?(\.\d+)?(([+-]\d\d:\d\d)|Z)?)?)?)?$/i;
var ISO_8601_FULL = /^\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(\.\d+)?(([+-]\d\d:\d\d)|Z)?$/i;
if ((0, _lodash.isString)(date)) {
if (date.length > 15) {
if (ISO_8601_FULL.test(date) || ISO_8601.test(date)) {
currDate = new Date(date);
} else {
aDateTime = date.split(/ /g);
aDate = aDateTime[0].split(/\D/g);
yy = aDate[0];
mm = parseFloat(aDate[1]);
dd = parseFloat(aDate[2]);
aTime = aDateTime[1] || '09:00';
aTimes = aTime.substring(0, 5).split(':');
hh = parseFloat(aTimes[0]);
mi = parseFloat(aTimes[1]);
if (right(aTime, 2) === 'AM' || right(aTime, 2) === 'PM') hh += 12;
currDate = localDate(yy, mm - 1, dd, hh, mi);
}
} else if (date.length == 14) {
va = date.replace(/\D/g, '');
currDate = localDate(va.substr(0, 4), va.substr(4, 2) - 1, parseFloat(va.substr(6, 2)), parseFloat(va.substr(8, 2)), parseFloat(va.substr(10, 2)), parseFloat(va.substr(12, 2)));
} else if (date.length > 7) {
va = date.replace(/\D/g, '');
currDate = localDate(va.substr(0, 4), va.substr(4, 2) - 1, parseFloat(va.substr(6, 2)));
} else if (date.length > 4) {
va = date.replace(/\D/g, '');
currDate = localDate(va.substr(0, 4), va.substr(4, 2) - 1, 1);
} else if (date.length > 2) {
va = date.replace(/\D/g, '');
currDate = localDate(va.substr(0, 4), va.substr(4, 2) - 1, 1);
} else {
currDate = new Date();
}
}
this.currDate = currDate;
return this;
}
}, {
key: 'print',
value: function print(format, utc, gmt) {
if (typeof format === 'undefined') {
return this.currDate;
}
var date = this.currDate;
var _get = utc ? 'getUTC' : 'get';
var formatSlice = format.slice(0, 4);
if (formatSlice === 'UTC:' || formatSlice === 'GMT:') {
format = format.slice(4);
utc = true;
gmt = formatSlice === 'GMT:';
}
var d = date[_get + 'Date']();
var D = date[_get + 'Day']();
var M = date[_get + 'Month']();
var y = date[_get + 'FullYear']();
var H = date[_get + 'Hours']();
var m = date[_get + 'Minutes']();
var s = date[_get + 'Seconds']();
var L = date[_get + 'Milliseconds']();
var o = utc ? 0 : date.getTimezoneOffset();
var W = getWeek(date);
var N = getDayOfWeek(date);
var flags = {
d: d,
dd: pad(d),
E: PrintDate.i18n.dayNames[D].substr(0, 1),
EEE: PrintDate.i18n.dayNames[D],
EEEE: PrintDate.i18n.dayNames[D + 7],
M: M + 1,
MM: pad(M + 1),
MMM: PrintDate.i18n.monthNames[M],
MMMM: PrintDate.i18n.monthNames[M + 12],
yy: String(y).slice(2),
yyyy: y,
h: H % 12 || 12,
hh: pad(H % 12 || 12),
H: H,
HH: pad(H),
m: m,
mm: pad(m),
s: s,
ss: pad(s),
l: pad(L, 3),
L: pad(Math.round(L / 10)),
a: H < 12 ? PrintDate.i18n.timeNames[0] : PrintDate.i18n.timeNames[1],
aa: H < 12 ? PrintDate.i18n.timeNames[2] : PrintDate.i18n.timeNames[3],
A: H < 12 ? PrintDate.i18n.timeNames[4] : PrintDate.i18n.timeNames[5],
AA: H < 12 ? PrintDate.i18n.timeNames[6] : PrintDate.i18n.timeNames[7],
z: gmt ? 'GMT' : utc ? 'UTC' : (String(date).match(timezone) || ['']).pop().replace(timezoneClip, ''),
o: (o > 0 ? '-' : '+') + pad(Math.floor(Math.abs(o) / 60) * 100 + Math.abs(o) % 60, 4),
S: ['th', 'st', 'nd', 'rd'][d % 10 > 3 ? 0 : (d % 100 - d % 10 != 10 ? 1 : 0) * d % 10],
W: W,
N: N
};
return ('' + format).replace(token, function (match) {
if (match in flags) {
return flags[match];
}
return match.slice(1, match.length - 1);
});
}
}], [{
key: 'setI18n',
value: function setI18n(i18n) {
return PrintDate.i18n = (0, _lodash.assign)({}, PrintDate.i18n, i18n);
}
}]);
return PrintDate;
}();
PrintDate.i18n = {
dayNames: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
monthNames: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec', 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
timeNames: ['a', 'p', 'am', 'pm', 'A', 'P', 'AM', 'PM']
};
function printDate(d, format) {
return new PrintDate().setDate(d).print(format);
}