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JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.fecha = {})));
}(this, (function (exports) { 'use strict';
var token = /d{1,4}|M{1,4}|YY(?:YY)?|S{1,3}|Do|ZZ|Z|([HhMsDm])\1?|[aA]|"[^"]*"|'[^']*'/g;
var twoDigitsOptional = "\\d\\d?";
var twoDigits = "\\d\\d";
var threeDigits = "\\d{3}";
var fourDigits = "\\d{4}";
var word = "[^\\s]+";
var literal = /\[([^]*?)\]/gm;
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;
}
var monthUpdate = function (arrName) { return function (v, i18n) {
var lowerCaseArr = i18n[arrName].map(function (v) { return v.toLowerCase(); });
var index = lowerCaseArr.indexOf(v.toLowerCase());
if (index > -1) {
return index;
}
return null;
}; };
function assign(origObj) {
var args = [];
for (var _i = 1; _i < arguments.length; _i++) {
args[_i - 1] = arguments[_i];
}
for (var _a = 0, args_1 = args; _a < args_1.length; _a++) {
var obj = args_1[_a];
for (var key in obj) {
// @ts-ignore ex
origObj[key] = obj[key];
}
}
return origObj;
}
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);
var defaultI18n = {
dayNamesShort: dayNamesShort,
dayNames: dayNames,
monthNamesShort: monthNamesShort,
monthNames: monthNames,
amPm: ["am", "pm"],
DoFn: function (dayOfMonth) {
return (dayOfMonth +
["th", "st", "nd", "rd"][dayOfMonth % 10 > 3
? 0
: ((dayOfMonth - (dayOfMonth % 10) !== 10 ? 1 : 0) * dayOfMonth) % 10]);
}
};
var globalI18n = assign({}, defaultI18n);
var setGlobalDateI18n = function (i18n) {
return (globalI18n = assign(globalI18n, i18n));
};
var regexEscape = function (str) {
return str.replace(/[|\\{()[^$+*?.-]/g, "\\$&");
};
var pad = function (val, len) {
if (len === void 0) { len = 2; }
val = String(val);
while (val.length < len) {
val = "0" + val;
}
return val;
};
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 offset = dateObj.getTimezoneOffset();
return ((offset > 0 ? "-" : "+") +
pad(Math.floor(Math.abs(offset) / 60) * 100 + (Math.abs(offset) % 60), 4));
},
Z: function (dateObj) {
var offset = dateObj.getTimezoneOffset();
return ((offset > 0 ? "-" : "+") +
pad(Math.floor(Math.abs(offset) / 60), 2) +
":" +
pad(Math.abs(offset) % 60, 2));
}
};
var monthParse = function (v) { return +v - 1; };
var emptyDigits = [null, twoDigitsOptional];
var emptyWord = [null, word];
var amPm = [
"isPm",
word,
function (v, i18n) {
var val = v.toLowerCase();
if (val === i18n.amPm[0]) {
return 0;
}
else if (val === i18n.amPm[1]) {
return 1;
}
return null;
}
];
var timezoneOffset = [
"timezoneOffset",
"[^\\s]*?[\\+\\-]\\d\\d:?\\d\\d|[^\\s]*?Z?",
function (v) {
var parts = (v + "").match(/([+-]|\d\d)/gi);
if (parts) {
var minutes = +parts[1] * 60 + parseInt(parts[2], 10);
return parts[0] === "+" ? minutes : -minutes;
}
return 0;
}
];
var parseFlags = {
D: ["day", twoDigitsOptional],
DD: ["day", twoDigits],
Do: ["day", twoDigitsOptional + word, function (v) { return parseInt(v, 10); }],
M: ["month", twoDigitsOptional, monthParse],
MM: ["month", twoDigits, monthParse],
YY: [
"year",
twoDigits,
function (v) {
var now = new Date();
var cent = +("" + now.getFullYear()).substr(0, 2);
return +("" + (+v > 68 ? cent - 1 : cent) + v);
}
],
h: ["hour", twoDigitsOptional, undefined, "isPm"],
hh: ["hour", twoDigits, undefined, "isPm"],
H: ["hour", twoDigitsOptional],
HH: ["hour", twoDigits],
m: ["minute", twoDigitsOptional],
mm: ["minute", twoDigits],
s: ["second", twoDigitsOptional],
ss: ["second", twoDigits],
YYYY: ["year", fourDigits],
S: ["millisecond", "\\d", function (v) { return +v * 100; }],
SS: ["millisecond", twoDigits, function (v) { return +v * 10; }],
SSS: ["millisecond", threeDigits],
d: emptyDigits,
dd: emptyDigits,
ddd: emptyWord,
dddd: emptyWord,
MMM: ["month", word, monthUpdate("monthNamesShort")],
MMMM: ["month", word, monthUpdate("monthNames")],
a: amPm,
A: amPm,
ZZ: timezoneOffset,
Z: timezoneOffset
};
// Some common format strings
var globalMasks = {
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",
isoDate: "YYYY-MM-DD",
isoDateTime: "YYYY-MM-DDTHH:mm:ssZ",
shortTime: "HH:mm",
mediumTime: "HH:mm:ss",
longTime: "HH:mm:ss.SSS"
};
var setGlobalDateMasks = function (masks) { return assign(globalMasks, masks); };
/***
* Format a date
* @method format
* @param {Date|number} dateObj
* @param {string} mask Format of the date, i.e. 'mm-dd-yy' or 'shortDate'
* @returns {string} Formatted date string
*/
var format = function (dateObj, mask, i18n) {
if (mask === void 0) { mask = globalMasks["default"]; }
if (i18n === void 0) { 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 pass to format");
}
mask = globalMasks[mask] || mask;
var literals = [];
// Make literals inactive by replacing them with @@@
mask = mask.replace(literal, function ($0, $1) {
literals.push($1);
return "@@@";
});
var combinedI18nSettings = assign(assign({}, globalI18n), i18n);
// Apply formatting rules
mask = mask.replace(token, function ($0) {
return formatFlags[$0](dateObj, combinedI18nSettings);
});
// Inline literal values back into the formatted value
return mask.replace(/@@@/g, function () { return literals.shift(); });
};
/**
* Parse a date string into a Javascript Date object /
* @method parse
* @param {string} dateStr Date string
* @param {string} format Date parse format
* @param {i18n} I18nSettingsOptional Full or subset of I18N settings
* @returns {Date|null} Returns Date object. Returns null what date string is invalid or doesn't match format
*/
function parse(dateStr, format, i18n) {
if (i18n === void 0) { i18n = {}; }
if (typeof format !== "string") {
throw new Error("Invalid format in fecha parse");
}
// Check to see if the format is actually a mask
format = globalMasks[format] || format;
// Avoid regular expression denial of service, fail early for really long strings
// https://www.owasp.org/index.php/Regular_expression_Denial_of_Service_-_ReDoS
if (dateStr.length > 1000) {
return null;
}
// Default to the beginning of the year.
var today = new Date();
var dateInfo = {
year: today.getFullYear(),
month: 0,
day: 1,
hour: 0,
minute: 0,
second: 0,
millisecond: 0,
isPm: null,
timezoneOffset: null
};
var parseInfo = [];
var literals = [];
// Replace all the literals with @@@. Hopefully a string that won't exist in the format
var newFormat = format.replace(literal, function ($0, $1) {
literals.push(regexEscape($1));
return "@@@";
});
var specifiedFields = {};
var requiredFields = {};
// Change every token that we find into the correct regex
newFormat = regexEscape(newFormat).replace(token, function ($0) {
var info = parseFlags[$0];
var field = info[0], regex = info[1], requiredField = info[3];
// Check if the person has specified the same field twice. This will lead to confusing results.
if (specifiedFields[field]) {
throw new Error("Invalid format. " + field + " specified twice in format");
}
specifiedFields[field] = true;
// Check if there are any required fields. For instance, 12 hour time requires AM/PM specified
if (requiredField) {
requiredFields[requiredField] = true;
}
parseInfo.push(info);
return "(" + regex + ")";
});
// Check all the required fields are present
Object.keys(requiredFields).forEach(function (field) {
if (!specifiedFields[field]) {
throw new Error("Invalid format. " + field + " is required in specified format");
}
});
// Add back all the literals after
newFormat = newFormat.replace(/@@@/g, function () { return literals.shift(); });
// Check if the date string matches the format. If it doesn't return null
var matches = dateStr.match(new RegExp(newFormat, "i"));
if (!matches) {
return null;
}
var combinedI18nSettings = assign(assign({}, globalI18n), i18n);
// For each match, call the parser function for that date part
for (var i = 1; i < matches.length; i++) {
var _a = parseInfo[i - 1], field = _a[0], parser = _a[2];
var value = parser
? parser(matches[i], combinedI18nSettings)
: +matches[i];
// If the parser can't make sense of the value, return null
if (value == null) {
return null;
}
dateInfo[field] = value;
}
if (dateInfo.isPm === 1 && dateInfo.hour != null && +dateInfo.hour !== 12) {
dateInfo.hour = +dateInfo.hour + 12;
}
else if (dateInfo.isPm === 0 && +dateInfo.hour === 12) {
dateInfo.hour = 0;
}
var dateTZ;
if (dateInfo.timezoneOffset == null) {
dateTZ = new Date(dateInfo.year, dateInfo.month, dateInfo.day, dateInfo.hour, dateInfo.minute, dateInfo.second, dateInfo.millisecond);
var validateFields = [
["month", "getMonth"],
["day", "getDate"],
["hour", "getHours"],
["minute", "getMinutes"],
["second", "getSeconds"]
];
for (var i = 0, len = validateFields.length; i < len; i++) {
// Check to make sure the date field is within the allowed range. Javascript dates allows values
// outside the allowed range. If the values don't match the value was invalid
if (specifiedFields[validateFields[i][0]] &&
dateInfo[validateFields[i][0]] !== dateTZ[validateFields[i][1]]()) {
return null;
}
}
}
else {
dateTZ = new Date(Date.UTC(dateInfo.year, dateInfo.month, dateInfo.day, dateInfo.hour, dateInfo.minute - dateInfo.timezoneOffset, dateInfo.second, dateInfo.millisecond));
// We can't validate dates in another timezone unfortunately. Do a basic check instead
if (dateInfo.month > 11 ||
dateInfo.month < 0 ||
dateInfo.day > 31 ||
dateInfo.day < 1 ||
dateInfo.hour > 23 ||
dateInfo.hour < 0 ||
dateInfo.minute > 59 ||
dateInfo.minute < 0 ||
dateInfo.second > 59 ||
dateInfo.second < 0) {
return null;
}
}
// Don't allow invalid dates
return dateTZ;
}
var fecha = {
format: format,
parse: parse,
defaultI18n: defaultI18n,
setGlobalDateI18n: setGlobalDateI18n,
setGlobalDateMasks: setGlobalDateMasks
};
exports.assign = assign;
exports.default = fecha;
exports.format = format;
exports.parse = parse;
exports.defaultI18n = defaultI18n;
exports.setGlobalDateI18n = setGlobalDateI18n;
exports.setGlobalDateMasks = setGlobalDateMasks;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=fecha.umd.js.map