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index.js
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index.js
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/// strftime
/// https://github.com/samsonjs/strftime
/// @_sjs
///
/// Copyright 2010 - 2011 Sami Samhuri <sami.samhuri@gmail.com>
/// MIT License
;(function() {
//// Export the API
var namespace;
// CommonJS / Node module
if (typeof exports !== 'undefined') {
namespace = exports;
}
// Browsers and other environments
else {
// Get the global object. Works in ES3, ES5, and ES5 strict mode.
namespace = (function(){ return this || (1,eval)('this') }());
}
namespace.strftime = strftime;
namespace.strftimeUTC = strftimeUTC;
namespace.getLocalizedStrftime = getLocalizedStrftime;
////
function words(s) { return (s || '').split(' '); }
var DefaultLocale =
{ days: words('Sunday Monday Tuesday Wednesday Thursday Friday Saturday')
, shortDays: words('Sun Mon Tue Wed Thu Fri Sat')
, months: words('January February March April May June July August September October November December')
, shortMonths: words('Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec')
, AM: 'AM'
, PM: 'PM'
}
function pad(n, padding) {
padding = padding || '0';
return n < 10 ? (padding + n) : n;
}
function hours12(d) {
var hour = d.getHours();
if (hour == 0) hour = 12;
else if (hour > 12) hour -= 12;
return hour;
}
function strftime(fmt, d, locale) {
return _strftime(fmt, d, locale, false);
}
function strftimeUTC(fmt, d, locale) {
return _strftime(fmt, d, locale, true);
}
function getLocalizedStrftime(locale) {
return function(fmt, d) {
return strftime(fmt, d, locale);
};
}
// locale is an object with the same structure as DefaultLocale
function _strftime(fmt, d, locale, _useUTC) {
// d and locale are optional so check if d is really the locale
if (d && !(d instanceof Date)) {
locale = d;
d = undefined;
}
d = d || new Date();
locale = locale || DefaultLocale;
locale.formats = locale.formats || {}
if (_useUTC) {
d = new Date(d.getTime() + ((d.getTimezoneOffset() || 0) * 60000));
}
// Most of the specifiers supported by C's strftime
return fmt.replace(/%(.)/g, function(_, c) {
switch (c) {
case 'A': return locale.days[d.getDay()];
case 'a': return locale.shortDays[d.getDay()];
case 'B': return locale.months[d.getMonth()];
case 'b': // fall through
case 'h': return locale.shortMonths[d.getMonth()];
case 'D': return strftime(locale.formats.D || '%m/%d/%y', d, locale);
case 'd': return pad(d.getDate());
case 'e': return d.getDate();
case 'F': return strftime(locale.formats.F || '%Y-%m-%d', d, locale);
case 'H': return pad(d.getHours());
case 'I': return pad(hours12(d));
case 'k': return pad(d.getHours(), ' ');
case 'l': return pad(hours12(d), ' ');
case 'M': return pad(d.getMinutes());
case 'm': return pad(d.getMonth() + 1);
case 'n': return '\n';
case 'p': return d.getHours() < 12 ? locale.AM : locale.PM;
case 'R': return strftime(locale.formats.R || '%H:%M', d, locale);
case 'r': return strftime(locale.formats.r || '%I:%M:%S %p', d, locale);
case 'S': return pad(d.getSeconds());
case 's': return d.getTime();
case 'T': return strftime(locale.formats.T || '%H:%M:%S', d, locale);
case 't': return '\t';
case 'u':
var day = d.getDay();
return day == 0 ? 7 : day; // 1 - 7, Monday is first day of the week
case 'v': return strftime(locale.formats.v || '%e-%b-%Y', d, locale);
case 'w': return d.getDay(); // 0 - 6, Sunday is first day of the week
case 'Y': return d.getFullYear();
case 'y':
var y = String(d.getFullYear());
return y.slice(y.length - 2);
case 'Z':
if (_useUTC) {
return "GMT";
}
else {
var tz = d.toString().match(/\((\w+)\)/);
return tz && tz[1] || '';
}
case 'z':
if (_useUTC) {
return "+0000";
}
else {
var off = d.getTimezoneOffset();
return (off < 0 ? '-' : '+') + pad(off / 60) + pad(off % 60);
}
default: return c;
}
});
}
}());