sjs/strftime
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first stab at supporting localization

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Sami Samhuri 2011-03-03 07:03:30 -08:00
parent fdd8956d2a
commit 3ed3282d23
1 changed files with 105 additions and 74 deletions
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67
lib/index.js
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@ -1,10 +1,12 @@
/// strftime /// strftime
/// http://github.com/samsonjs/strftime /// https://github.com/samsonjs/strftime
/// @_sjs /// @_sjs
/// ///
/// Copyright 2010 Sami Samhuri <sami.samhuri@gmail.com> /// Copyright 2010 Sami Samhuri <sami.samhuri@gmail.com>
/// MIT License /// MIT License
;(function() {
var strftime = (function() { var strftime = (function() {
var Weekdays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', var Weekdays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday',
'Friday', 'Saturday']; 'Friday', 'Saturday'];
@ -17,6 +19,9 @@ var strftime = (function() {
var MonthsShort = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', var MonthsShort = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
'Sep', 'Oct', 'Nov', 'Dec']; 'Sep', 'Oct', 'Nov', 'Dec'];
var AM = 'AM',
PM = 'PM';
function pad(n, padding) { function pad(n, padding) {
padding = padding || '0'; padding = padding || '0';
return n < 10 ? (padding + n) : n; return n < 10 ? (padding + n) : n;
@ -29,20 +34,32 @@ var strftime = (function() {
return hour; return hour;
} }
// loc is a function that maps the default English names to localized
// names. In most cases it will just look up strings in a map but it's
// a function for added flexibility.
return function strftime(fmt, d, loc) {
// d and loc are optional, check if d is really loc
if (typeof d === 'function') {
loc = d;
d = new Date();
} else if (!loc) {
// no localization
loc = function(x) { return x; };
}
d = d || new Date();
// Most of the specifiers supported by C's strftime // Most of the specifiers supported by C's strftime
function strftime(fmt, d) {
d || (d = new Date());
return fmt.replace(/%(.)/g, function(_, c) { return fmt.replace(/%(.)/g, function(_, c) {
switch (c) { switch (c) {
case 'A': return Weekdays[d.getDay()]; case 'A': return loc(Weekdays[d.getDay()]);
case 'a': return WeekdaysShort[d.getDay()]; case 'a': return loc(WeekdaysShort[d.getDay()]);
case 'B': return Months[d.getMonth()]; case 'B': return loc(Months[d.getMonth()]);
case 'b': // fall through case 'b': // fall through
case 'h': return MonthsShort[d.getMonth()]; case 'h': return loc(MonthsShort[d.getMonth()]);
case 'D': return strftime('%m/%d/%y', d); case 'D': return strftime('%m/%d/%y', d, loc);
case 'd': return pad(d.getDate()); case 'd': return pad(d.getDate());
case 'e': return d.getDate(); case 'e': return d.getDate();
case 'F': return strftime('%Y-%m-%d', d); case 'F': return strftime('%Y-%m-%d', d, loc);
case 'H': return pad(d.getHours()); case 'H': return pad(d.getHours());
case 'I': return pad(hours12(d)); case 'I': return pad(hours12(d));
case 'k': return pad(d.getHours(), ' '); case 'k': return pad(d.getHours(), ' ');
@ -50,17 +67,17 @@ var strftime = (function() {
case 'M': return pad(d.getMinutes()); case 'M': return pad(d.getMinutes());
case 'm': return pad(d.getMonth() + 1); case 'm': return pad(d.getMonth() + 1);
case 'n': return '\n'; case 'n': return '\n';
case 'p': return d.getHours() < 12 ? 'AM' : 'PM'; case 'p': return d.getHours() < 12 ? loc(AM) : loc(PM);
case 'R': return strftime('%H:%M', d); case 'R': return strftime('%H:%M', d, loc);
case 'r': return strftime('%I:%M:%S %p', d); case 'r': return strftime('%I:%M:%S %p', d, loc);
case 'S': return pad(d.getSeconds()); case 'S': return pad(d.getSeconds());
case 's': return d.getTime(); case 's': return d.getTime();
case 'T': return strftime('%H:%M:%S', d); case 'T': return strftime('%H:%M:%S', d, loc);
case 't': return '\t'; case 't': return '\t';
case 'u': case 'u':
var day = d.getDay(); var day = d.getDay();
return day == 0 ? 7 : day; // 1 - 7, Monday is first day of the week return day == 0 ? 7 : day; // 1 - 7, Monday is first day of the week
case 'v': return strftime('%e-%b-%Y', d); case 'v': return strftime('%e-%b-%Y', d, loc);
case 'w': return d.getDay(); // 0 - 6, Sunday is first day of the week case 'w': return d.getDay(); // 0 - 6, Sunday is first day of the week
case 'Y': return d.getFullYear(); case 'Y': return d.getFullYear();
case 'y': case 'y':
@ -75,9 +92,23 @@ var strftime = (function() {
default: return c; default: return c;
} }
}); });
} };
return strftime;
}()); }());
if (typeof exports !== 'undefined') exports.strftime = strftime; function getLocalizedStrftime(loc) {
else (function(global) { global.strftime = strftime }(this)); return function(fmt, d) {
return strftime(fmt, d, loc);
};
}
if (typeof exports !== 'undefined') {
exports.strftime = strftime;
exports.getLocalizedStrftime = getLocalizedStrftime;
} else {
(function(global) {
global.strftime = strftime;
global.getLocalizedStrftime = getLocalizedStrftime;
}(this));
}
}());