af69eddd1c
Example:
log4js.configure({
appenders: [{type: 'console', timezoneOffset: -540}],
replaceConsole: true
});
The expected value is the equivalent of (new Date).getTimezoneOffset()
In this example, -540 is the value for JST.
This allows machines members of world-wide-spread cluster to all report
log time-stamps using the same timezone (or adapt the timezone to a
local different from the system)
72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
"use strict";
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exports.ISO8601_FORMAT = "yyyy-MM-dd hh:mm:ss.SSS";
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exports.ISO8601_WITH_TZ_OFFSET_FORMAT = "yyyy-MM-ddThh:mm:ssO";
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exports.DATETIME_FORMAT = "dd MM yyyy hh:mm:ss.SSS";
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exports.ABSOLUTETIME_FORMAT = "hh:mm:ss.SSS";
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function padWithZeros(vNumber, width) {
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var numAsString = vNumber + "";
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while (numAsString.length < width) {
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numAsString = "0" + numAsString;
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}
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return numAsString;
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}
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function addZero(vNumber) {
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return padWithZeros(vNumber, 2);
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}
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/**
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* Formats the TimeOffest
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* Thanks to http://www.svendtofte.com/code/date_format/
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* @private
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*/
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function offset(timezoneOffset) {
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// Difference to Greenwich time (GMT) in hours
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var os = Math.abs(timezoneOffset);
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var h = String(Math.floor(os/60));
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var m = String(os%60);
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if (h.length == 1) {
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h = "0" + h;
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}
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if (m.length == 1) {
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m = "0" + m;
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}
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return timezoneOffset < 0 ? "+"+h+m : "-"+h+m;
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}
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exports.asString = function(/*format,*/ date, timezoneOffset) {
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var format = exports.ISO8601_FORMAT;
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if (typeof(date) === "string") {
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format = arguments[0];
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date = arguments[1];
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timezoneOffset = arguments[2];
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}
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// make the date independent of the system timezone by working with UTC
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if (timezoneOffset === undefined) {
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timezoneOffset = date.getTimezoneOffset();
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}
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date.setUTCMinutes(date.getUTCMinutes() - timezoneOffset);
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var vDay = addZero(date.getUTCDate());
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var vMonth = addZero(date.getUTCMonth()+1);
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var vYearLong = addZero(date.getUTCFullYear());
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var vYearShort = addZero(date.getUTCFullYear().toString().substring(2,4));
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var vYear = (format.indexOf("yyyy") > -1 ? vYearLong : vYearShort);
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var vHour = addZero(date.getUTCHours());
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var vMinute = addZero(date.getUTCMinutes());
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var vSecond = addZero(date.getUTCSeconds());
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var vMillisecond = padWithZeros(date.getUTCMilliseconds(), 3);
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var vTimeZone = offset(timezoneOffset);
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var formatted = format
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.replace(/dd/g, vDay)
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.replace(/MM/g, vMonth)
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.replace(/y{1,4}/g, vYear)
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.replace(/hh/g, vHour)
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.replace(/mm/g, vMinute)
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.replace(/ss/g, vSecond)
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.replace(/SSS/g, vMillisecond)
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.replace(/O/g, vTimeZone);
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return formatted;
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};
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