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81 lines
1.9 KiB
81 lines
1.9 KiB
var ee2 = require('eventemitter2').EventEmitter2;
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var util = require('util');
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var fs = require('fs');
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var colors = require('colors');
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var transactions = require('./transactions');
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var ledger = function(options, trans){
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options = (options)?options:{};
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this.transactions = (typeof trans === 'object')?trans: [];
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this.separator = (typeof options.separator=='string')?options.separator:' - ';
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this.timeFormatter = function(date){
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return date.toString();
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};
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if( typeof options.timeFormatter == 'function' ){
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this.timeFormatter = options.timeFormatter;
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}
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this.now = function(){
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return this.timeFormatter( new Date() ).toString();
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}
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ee2.call(this, {
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wildcard: true,
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delimiter: '::'
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});
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};
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util.inherits(ledger,ee2);
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ledger.prototype._log = function(parts){
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var msg = parts.join(this.separator);
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for( var i in this.transactions ){
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this.transactions[i].log( msg, parts );
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}
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};
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module.exports.createLogger = function( options, trans ){
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var logger = new ledger(options, trans);
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logger.log = function(msg){
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var parts = [logger.now(), 'LOG', String(msg)]
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logger._log(parts);
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logger.emit('log::log', String(msg), parts);
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};
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logger.info = function(msg){
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var parts = [logger.now(), 'INFO', String(msg)]
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logger._log(parts);
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logger.emit('log::info', String(msg), parts);
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};
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logger.warn = function(msg){
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var parts = [logger.now(), 'WARN', String(msg)]
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logger._log(parts);
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logger.emit('log::warn', String(msg), parts);
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};
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logger.error = function(msg){
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var parts = [logger.now(), 'ERROR', String(msg)]
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logger._log(parts);
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logger.emit('log::error', String(msg), parts);
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};
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if( options.override !== false ){
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console.log = logger.log;
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console.info = logger.info;
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console.warn = logger.warn;
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console.error = logger.error;
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}
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return logger;
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};
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module.exports.transactions = transactions;
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