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logger.js
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logger.js
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'use strict';
var winston = require('winston');
var merge = require('hashmerge');
var sharedLogger ;
var logger = function (options) {
// If we have already been initialized
if (sharedLogger) {
return sharedLogger;
}
// If not yet initialized we continue
var defaults = {
level: 'info',
mute: true,
colorize: true,
timestamp: true,
prettyPrint: false
};
// -> we don't want winston to handle our uncaught exceptions and no exit
// exitOnError: false
// handleExceptions: true
var settings = merge(defaults,options);
var mainSettings = {
level: settings.level,
colorize: settings.colorize,
timestamp: settings.timestamp,
prettyPrint: settings.prettyPrint,
silent: settings.mute,
};
var mainLogger = new (winston.Logger)({
transports: [
new (winston.transports.Console)(mainSettings)
]
});
mainLogger.setLevels(winston.config.npm.levels);
// Add subdomain containers
mainLogger.loggers = new winston.Container();
mainLogger.loggers.add('sessionstore', {
console: {
level: settings.level,
colorize: settings.colorize,
timestamp: settings.timestamp,
prettyPrint: settings.prettyPrint,
silent: settings.mute,
label: 'session'
}
/*,
file: {
filename: '/path/to/some/file'
}*/
});
mainLogger.loggers.add('socketio', {
console: {
level: settings.level,
colorize: settings.colorize,
timestamp: settings.timestamp,
prettyPrint: settings.prettyPrint,
silent: settings.mute,
label: 'socketio'
}
/*,
file: {
filename: '/path/to/some/file'
}*/
});
mainLogger.loggers.add('express', {
console: {
level: settings.level,
colorize: settings.colorize,
timestamp: settings.timestamp,
prettyPrint: settings.prettyPrint,
silent: settings.mute,
label: 'express'
}
/*,
file: {
filename: '/path/to/some/file'
}*/
});
mainLogger.loggers.add('users', {
console: {
level: settings.level,
colorize: settings.colorize,
timestamp: settings.timestamp,
prettyPrint: settings.prettyPrint,
silent: settings.mute,
label: 'user'
}
});
mainLogger.loggers.add('metrics', {
console: {
level: settings.level,
colorize: settings.colorize,
timestamp: settings.timestamp,
prettyPrint: settings.prettyPrint,
silent: settings.mute,
label: 'metrics'
}
/*,
file: {
filename: '/path/to/some/file'
}*/
});
sharedLogger = mainLogger;
return sharedLogger;
};
module.exports = logger;