Sha256: 641f003123453eba1bed7fe78a72d0afc950bce284f86900fa6007c87ce12caa
Contents?: true
Size: 1.88 KB
Versions: 10
Compression:
Stored size: 1.88 KB
Contents
"use strict";
var streams = require('../streams')
, layouts = require('../layouts')
, async = require('async')
, path = require('path')
, os = require('os')
, eol = os.EOL || '\n'
, openFiles = [];
//close open files on process exit.
process.on('exit', function() {
openFiles.forEach(function (file) {
file.end();
});
});
/**
* File appender that rolls files according to a date pattern.
* @filename base filename.
* @pattern the format that will be added to the end of filename when rolling,
* also used to check when to roll files - defaults to '.yyyy-MM-dd'
* @layout layout function for log messages - defaults to basicLayout
* @timezoneOffset optional timezone offset in minutes - defaults to system local
*/
function appender(filename, pattern, alwaysIncludePattern, layout, timezoneOffset) {
layout = layout || layouts.basicLayout;
var logFile = new streams.DateRollingFileStream(
filename,
pattern,
{ alwaysIncludePattern: alwaysIncludePattern }
);
openFiles.push(logFile);
return function(logEvent) {
logFile.write(layout(logEvent, timezoneOffset) + eol, "utf8");
};
}
function configure(config, options) {
var layout;
if (config.layout) {
layout = layouts.layout(config.layout.type, config.layout);
}
if (!config.alwaysIncludePattern) {
config.alwaysIncludePattern = false;
}
if (options && options.cwd && !config.absolute) {
config.filename = path.join(options.cwd, config.filename);
}
return appender(config.filename, config.pattern, config.alwaysIncludePattern, layout, config.timezoneOffset);
}
function shutdown(cb) {
async.each(openFiles, function(file, done) {
if (!file.write(eol, "utf-8")) {
file.once('drain', function() {
file.end(done);
});
} else {
file.end(done);
}
}, cb);
}
exports.appender = appender;
exports.configure = configure;
exports.shutdown = shutdown;
Version data entries
10 entries across 10 versions & 1 rubygems