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arangodb/js/node/node_modules/timezone/index.js

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JavaScript
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!function (definition) {
if (typeof module == "object" && module.exports) module.exports = definition();
else if (typeof define == "function") define(definition);
else this.tz = definition();
} (function () {
/*
function die () {
console.log.apply(console, __slice.call(arguments, 0));
return process.exit(1);
}
function say () { return console.log.apply(console, __slice.call(arguments, 0)) }
*/
function actualize (entry, rule, year) {
var actualized, date = rule.day[1];
do {
actualized = new Date(Date.UTC(year, rule.month, Math.abs(date++)));
} while (rule.day[0] < 7 && actualized.getUTCDay() != rule.day[0])
actualized = {
clock: rule.clock,
sort: actualized.getTime(),
rule: rule,
save: rule.save * 6e4,
offset: entry.offset
};
actualized[actualized.clock] = actualized.sort + rule.time * 6e4;
if (actualized.posix) {
actualized.wallclock = actualized[actualized.clock] + (entry.offset + rule.saved);
} else {
actualized.posix = actualized[actualized.clock] - (entry.offset + rule.saved);
}
return actualized;
}
function find (request, clock, time) {
var i, I, entry, found, zone = request[request.zone], actualized = [], abbrev, rules
, j, year = new Date(time).getUTCFullYear(), off = 1;
for (i = 1, I = zone.length; i < I; i++) if (zone[i][clock] <= time) break;
entry = zone[i];
if (entry.rules) {
rules = request[entry.rules];
for (j = year + 1; j >= year - off; --j)
for (i = 0, I = rules.length; i < I; i++)
if (rules[i].from <= j && j <= rules[i].to) actualized.push(actualize(entry, rules[i], j));
else if (rules[i].to < j && off == 1) off = j - rules[i].to;
actualized.sort(function (a, b) { return a.sort - b.sort });
for (i = 0, I = actualized.length; i < I; i++) {
if (time >= actualized[i][clock] && actualized[i][actualized[i].clock] > entry[actualized[i].clock]) found = actualized[i];
}
}
if (found) {
if (abbrev = /^(.*)\/(.*)$/.exec(entry.format)) {
found.abbrev = abbrev[found.save ? 2 : 1];
} else {
found.abbrev = entry.format.replace(/%s/, found.rule.letter);
}
}
return found || entry;
}
function convertToWallclock (request, posix) {
if (request.zone == "UTC") return posix;
request.entry = find(request, "posix", posix);
return posix + request.entry.offset + request.entry.save;
}
function convertToPOSIX (request, wallclock) {
if (request.zone == "UTC") return wallclock;
var entry, diff;
request.entry = entry = find(request, "wallclock", wallclock);
diff = wallclock - entry.wallclock;
return 0 < diff && diff < entry.save ? null : wallclock - entry.offset - entry.save;
}
function adjust (request, posix, match) {
var increment = +(match[1] + 1) // conversion necessary for week day addition
, offset = match[2] * increment
, index = UNITS.indexOf(match[3].toLowerCase())
, date
;
if (index > 9) {
posix += offset * TIME[index - 10];
} else {
date = new Date(convertToWallclock(request, posix));
if (index < 7) {
while (offset) {
date.setUTCDate(date.getUTCDate() + increment);
if (date.getUTCDay() == index) offset -= increment;
}
} else if (index == 7) {
date.setUTCFullYear(date.getUTCFullYear() + offset);
} else if (index == 8) {
date.setUTCMonth(date.getUTCMonth() + offset);
} else {
date.setUTCDate(date.getUTCDate() + offset);
}
if ((posix = convertToPOSIX(request, date.getTime())) == null) {
posix = convertToPOSIX(request, date.getTime() + 864e5 * increment) - 864e5 * increment;
}
}
return posix;
}
function convert (vargs) {
if (!vargs.length) return "1.0.22";
var request = Object.create(this)
, adjustments = []
, i, I, $, argument, date
;
for (i = 0; i < vargs.length; i++) { // leave the for loop alone, it works.
argument = vargs[i];
// https://twitter.com/bigeasy/status/215112186572439552
if (Array.isArray(argument)) {
if (!i && !isNaN(argument[1])) {
date = argument;
} else {
argument.splice.apply(vargs, [ i--, 1 ].concat(argument));
}
} else if (isNaN(argument)) {
$ = typeof argument;
if ($ == "string") {
if (~argument.indexOf("%")) {
request.format = argument;
} else if (!i && argument == "*") {
date = argument;
} else if (!i && ($ = /^(\d{4})-(\d{2})-(\d{2})(?:[T\s](\d{2}):(\d{2})(?::(\d{2})(?:\.(\d+))?)?(Z|(([+-])(\d{2}(:\d{2}){0,2})))?)?$/.exec(argument))) {
date = [];
date.push.apply(date, $.slice(1, 8));
if ($[9]) {
date.push($[10] + 1);
date.push.apply(date, $[11].split(/:/));
} else if ($[8]) {
date.push(1);
}
} else if (/^\w{2,3}_\w{2}$/.test(argument)) {
request.locale = argument;
} else if ($ = UNIT_RE.exec(argument)) {
adjustments.push($);
} else {
request.zone = argument;
}
} else if ($ == "function") {
if ($ = argument.call(request)) return $;
} else if (/^\w{2,3}_\w{2}$/.test(argument.name)) {
request[argument.name] = argument;
} else if (argument.zones) {
for ($ in argument.zones) request[$] = argument.zones[$];
for ($ in argument.rules) request[$] = argument.rules[$];
}
} else if (!i) {
date = argument;
}
}
if (!request[request.locale]) delete request.locale;
if (!request[request.zone]) delete request.zone;
if (date != null) {
if (date == "*") {
date = request.clock();
} else if (Array.isArray(date)) {
$ = [];
I = !date[7];
for (i = 0; i < 11; i++) $[i] = +(date[i] || 0); // conversion necessary for decrement
--$[1]; // Grr..
date = Date.UTC.apply(Date.UTC, $) + -$[7] * ($[8] * 36e5 + $[9] * 6e4 + $[10] * 1e3);
} else {
date = Math.floor(date);
}
if (!isNaN(date)) {
if (I) date = convertToPOSIX(request, date);
if (date == null) return date;
for (i = 0, I = adjustments.length; i < I; i++) {
date = adjust(request, date, adjustments[i]);
}
if (!request.format) return date;
$ = new Date(convertToWallclock(request, date));
return request.format.replace(/%([-0_^]?)(:{0,3})(\d*)(.)/g,
function (value, flag, colons, padding, specifier) {
var f, fill = "0", pad;
if (f = request[specifier]) {
value = String(f.call(request, $, date, flag, colons.length));
if ((flag || f.style) == "_") fill = " ";
pad = flag == "-" ? 0 : f.pad || 0;
while (value.length < pad) value = fill + value;
pad = flag == "-" ? 0 : padding || f.pad;
while (value.length < pad) value = fill + value;
if (specifier == "N" && pad < value.length) value = value.slice(0, pad);
if (flag == "^") value = value.toUpperCase();
}
return value;
});
}
}
return function () { return request.convert(arguments) };
}
var context =
{ clock: function () { return +(new Date()) }
, zone: "UTC"
, entry: { abbrev: "UTC", offset: 0, save: 0 }
, UTC: 1
, z: function(date, posix, flag, delimiters) {
var offset = this.entry.offset + this.entry.save
, seconds = Math.abs(offset / 1000), parts = [], part = 3600, i, z;
for (i = 0; i < 3; i++) {
parts.push(("0" + Math.floor(seconds / part)).slice(-2));
seconds %= part;
part /= 60;
}
if (flag == "^" && !offset) return "Z";
if (flag == "^") delimiters = 3;
if (delimiters == 3) {
z = parts.join(":");
z = z.replace(/:00$/, "");
if (flag != "^") z = z.replace(/:00$/, "");
} else if (delimiters) {
z = parts.slice(0, delimiters + 1).join(":");
if (flag == "^") z = z.replace(/:00$/, "");
} else {
z = parts.slice(0, 2).join("");
}
z = (offset < 0 ? "-" : "+") + z;
z = z.replace(/([-+])(0)/, { "_": " $1", "-": "$1" }[flag] || "$1$2");
return z;
}
, "%": function(date) { return "%" }
, n: function (date) { return "\n" }
, t: function (date) { return "\t" }
, U: function (date) { return weekOfYear(date, 0) }
, W: function (date) { return weekOfYear(date, 1) }
, V: function (date) { return isoWeek(date)[0] }
, G: function (date) { return isoWeek(date)[1] }
, g: function (date) { return isoWeek(date)[1] % 100 }
, j: function (date) { return Math.floor((date.getTime() - Date.UTC(date.getUTCFullYear(), 0)) / 864e5) + 1 }
, s: function (date) { return Math.floor(date.getTime() / 1000) }
, C: function (date) { return Math.floor(date.getUTCFullYear() / 100) }
, N: function (date) { return date.getTime() % 1000 * 1000000 }
, m: function (date) { return date.getUTCMonth() + 1 }
, Y: function (date) { return date.getUTCFullYear() }
, y: function (date) { return date.getUTCFullYear() % 100 }
, H: function (date) { return date.getUTCHours() }
, M: function (date) { return date.getUTCMinutes() }
, S: function (date) { return date.getUTCSeconds() }
, e: function (date) { return date.getUTCDate() }
, d: function (date) { return date.getUTCDate() }
, u: function (date) { return date.getUTCDay() || 7 }
, w: function (date) { return date.getUTCDay() }
, l: function (date) { return date.getUTCHours() % 12 || 12 }
, I: function (date) { return date.getUTCHours() % 12 || 12 }
, k: function (date) { return date.getUTCHours() }
, Z: function (date) { return this.entry.abbrev }
, a: function (date) { return this[this.locale].day.abbrev[date.getUTCDay()] }
, A: function (date) { return this[this.locale].day.full[date.getUTCDay()] }
, h: function (date) { return this[this.locale].month.abbrev[date.getUTCMonth()] }
, b: function (date) { return this[this.locale].month.abbrev[date.getUTCMonth()] }
, B: function (date) { return this[this.locale].month.full[date.getUTCMonth()] }
, P: function (date) { return this[this.locale].meridiem[Math.floor(date.getUTCHours() / 12)].toLowerCase() }
, p: function (date) { return this[this.locale].meridiem[Math.floor(date.getUTCHours() / 12)] }
, R: function (date, posix) { return this.convert([ posix, "%H:%M" ]) }
, T: function (date, posix) { return this.convert([ posix, "%H:%M:%S" ]) }
, D: function (date, posix) { return this.convert([ posix, "%m/%d/%y" ]) }
, F: function (date, posix) { return this.convert([ posix, "%Y-%m-%d" ]) }
, x: function (date, posix) { return this.convert([ posix, this[this.locale].date ]) }
, r: function (date, posix) { return this.convert([ posix, this[this.locale].time12 || '%I:%M:%S' ]) }
, X: function (date, posix) { return this.convert([ posix, this[this.locale].time24 ]) }
, c: function (date, posix) { return this.convert([ posix, this[this.locale].dateTime ]) }
, convert: convert
, locale: "en_US"
, en_US: {
date: "%m/%d/%Y",
time24: "%I:%M:%S %p",
time12: "%I:%M:%S %p",
dateTime: "%a %d %b %Y %I:%M:%S %p %Z",
meridiem: [ "AM", "PM" ],
month: {
abbrev: "Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec".split("|"),
full: "January|February|March|April|May|June|July|August|September|October|November|December".split("|")
},
day: {
abbrev: "Sun|Mon|Tue|Wed|Thu|Fri|Sat".split("|"),
full: "Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday".split("|")
}
}
};
var UNITS = "Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|year|month|day|hour|minute|second|millisecond"
, UNIT_RE = new RegExp("^\\s*([+-])(\\d+)\\s+(" + UNITS + ")s?\\s*$", "i")
, TIME = [ 36e5, 6e4, 1e3, 1 ]
;
UNITS = UNITS.toLowerCase().split("|");
"delmHMSUWVgCIky".replace(/./g, function (e) { context[e].pad = 2 });
context.N.pad = 9;
context.j.pad = 3;
context.k.style = "_";
context.l.style = "_";
context.e.style = "_";
function weekOfYear (date, startOfWeek) {
var diff, nyd, weekStart;
nyd = new Date(Date.UTC(date.getUTCFullYear(), 0));
diff = Math.floor((date.getTime() - nyd.getTime()) / 864e5);
if (nyd.getUTCDay() == startOfWeek) {
weekStart = 0;
} else {
weekStart = 7 - nyd.getUTCDay() + startOfWeek;
if (weekStart == 8) {
weekStart = 1;
}
}
return diff >= weekStart ? Math.floor((diff - weekStart) / 7) + 1 : 0;
}
function isoWeek (date) {
var nyd, nyy, week;
nyy = date.getUTCFullYear();
nyd = new Date(Date.UTC(nyy, 0)).getUTCDay();
week = weekOfYear(date, 1) + (nyd > 1 && nyd <= 4 ? 1 : 0);
if (!week) {
nyy = date.getUTCFullYear() - 1;
nyd = new Date(Date.UTC(nyy, 0)).getUTCDay();
week = nyd == 4 || (nyd == 3 && new Date(nyy, 1, 29).getDate() == 29) ? 53 : 52;
return [week, date.getUTCFullYear() - 1];
} else if (week == 53 && !(nyd == 4 || (nyd == 3 && new Date(nyy, 1, 29).getDate() == 29))) {
return [1, date.getUTCFullYear() + 1];
} else {
return [week, date.getUTCFullYear()];
}
}
return function () { return context.convert(arguments) };
});
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