/
logger.js
56 lines (55 loc) · 1.08 KB
/
logger.js
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var fs = require('fs'),
util = require('util');
var logger = {
fileOut : function(filename) {
var options = {
flags : 'w',
encoding : 'utf8',
};
var out = fs.createWriteStream(filename);
return function(m) {
out.write(util.inspect(m));
out.write('\n');
}
},
consoleOut : function(m) {
console.log(m);
},
createLogger : function(out) {
return {
error : function(m) {
out(m);
},
warn : function(m) {
out(m);
},
info : function(m) {
out(m);
},
debug : function(m) {
out(m);
}
}
},
createConsoleLogger : function() {
return this.createLogger(this.consoleOut);
},
createFileLogger : function(filename) {
var fout = this.fileOut(filename);
return this.createLogger(fout);
},
createDefaultLogger : function(filename) {
var log = this.createFileLogger(filename);
var cout = this.consoleOut;
var fout = log.debug;
var doublelog = function(m) {
cout(m);
fout(m);
};
log.info = doublelog;
log.warn = doublelog;
log.error = doublelog;
return log;
}
}
module.exports = logger;