Ledger is an event based NodeJS module used for logging events to stdout, files or MongoDB.
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var ledger = require('../');
var logger = ledger.createLogger( {}, [
new ledger.transactions.file({})
]);
logger.on('log::error', function(time, msg){
//do somethign special with errors
});
logger.on('log::*', function(time, msg){
//catchall for any logs
});
console.log('log');
console.info('info');
console.warn('warn');
console.error('error');