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83 lines
3.3 KiB
JavaScript
83 lines
3.3 KiB
JavaScript
/// strftime
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/// http://github.com/samsonjs/strftime
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/// @_sjs
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///
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/// Copyright 2010 Sami Samhuri <sami.samhuri@gmail.com>
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/// MIT License
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var strftime = (function() {
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var Weekdays = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday',
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'Friday', 'Saturday'];
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var WeekdaysShort = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
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var Months = ['January', 'February', 'March', 'April', 'May', 'June', 'July',
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'August', 'September', 'October', 'November', 'December'];
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var MonthsShort = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
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'Sep', 'Oct', 'Nov', 'Dec'];
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function pad(n, padding) {
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padding = padding || '0';
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return n < 10 ? (padding + n) : n;
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}
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function hours12(d) {
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var hour = d.getHours();
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if (hour == 0) hour = 12;
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else if (hour > 12) hour -= 12;
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return hour;
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}
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// Most of the specifiers supported by C's strftime
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function strftime(fmt, d) {
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d || (d = new Date());
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return fmt.replace(/%(.)/g, function(_, c) {
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switch (c) {
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case 'A': return Weekdays[d.getDay()];
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case 'a': return WeekdaysShort[d.getDay()];
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case 'B': return Months[d.getMonth()];
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case 'b': // fall through
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case 'h': return MonthsShort[d.getMonth()];
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case 'D': return strftime('%m/%d/%y', d);
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case 'd': return pad(d.getDate());
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case 'e': return d.getDate();
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case 'F': return strftime('%Y-%m-%d', d);
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case 'H': return pad(d.getHours());
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case 'I': return pad(hours12(d));
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case 'k': return pad(d.getHours(), ' ');
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case 'l': return pad(hours12(d), ' ');
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case 'M': return pad(d.getMinutes());
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case 'm': return pad(d.getMonth() + 1);
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case 'n': return '\n';
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case 'p': return d.getHours() < 12 ? 'AM' : 'PM';
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case 'R': return strftime('%H:%M', d);
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case 'r': return strftime('%I:%M:%S %p', d);
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case 'S': return pad(d.getSeconds());
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case 's': return d.getTime();
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case 'T': return strftime('%H:%M:%S', d);
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case 't': return '\t';
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case 'u':
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var day = d.getDay();
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return day == 0 ? 7 : day; // 1 - 7, Monday is first day of the week
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case 'v': return strftime('%e-%b-%Y', d);
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case 'w': return d.getDay(); // 0 - 6, Sunday is first day of the week
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case 'Y': return d.getFullYear();
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case 'y':
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var year = d.getYear();
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return year < 100 ? year : year - 100;
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case 'Z':
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var tz = d.toString().match(/\((\w+)\)/);
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return tz && tz[1] || '';
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case 'z':
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var off = d.getTimezoneOffset();
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return (off < 0 ? '-' : '+') + pad(off / 60) + pad(off % 60);
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default: return c;
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}
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});
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}
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return strftime;
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}());
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if (typeof exports !== 'undefined') exports.strftime = strftime;
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else (function(global) { global.strftime = strftime }(this));
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