updated to 0.5.1

README.md

@@ -380,6 +380,10 @@ module.exports = function(conf) {
 
 ## History
 
+### 0.5.1
+
+* feature: add args into data object, now we can check args in preprocess, see example format2.js, merge from yasuyk04/work   
+
 ### 0.5.0
 
 * performance: speed up when the format don't include method,path,line,pos,file, thanks sharonjl's issue report  

example/format2.js

@@ -18,6 +18,10 @@ var logger = require('tracer')
 						}
 
 						data.title = data.title.toUpperCase();
+
+						if(data.args[0]=='hello'){
+							data.message += ' node.js';
+						}
 					}
 				});
 

lib/console.js

@@ -18,7 +18,7 @@ module.exports = (function() {
 	_config = utils.union(_config, arguments);
 
 	// main log method
-	var _log = function(level, title, format, filters, args) {
+	var _log = function(level, title, format, filters, needstack, args) {
 		var msg = utils.format.apply(this, args);
 		var data = {
 			timestamp : dateFormat(new Date(), _config.dateformat),
@@ -29,14 +29,16 @@ module.exports = (function() {
 		};
 		data.method = data.path = data.line = data.pos = data.file = '';
 
-		if (/{{(method|path|line|pos|file)}}/gi.test(format)) {
+		if (needstack) {
 			// get call stack, and analyze it
 			// get all file,method and line number
 			data.stack = (new Error()).stack.split('\n').slice(3);
 
 			// Stack trace format :
 			// http://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
-			var s = data.stack[0], sp = /at\s+(.*)\s+\((.*):(\d*):(\d*)\)/gi.exec(s) || /at\s+()(.*):(\d*):(\d*)/gi.exec(s);
+			var s = data.stack[0], sp = /at\s+(.*)\s+\((.*):(\d*):(\d*)\)/gi
+					.exec(s)
+					|| /at\s+()(.*):(\d*):(\d*)/gi.exec(s);
 			if (sp && sp.length === 5) {
 				data.method = sp[1];
 				data.path = sp[2];
@@ -92,6 +94,9 @@ module.exports = (function() {
 			var format = _config.format[0];
 			if (_config.format.length === 2 && _config.format[1][title])
 				format = _config.format[1][title];
+			var needstack = false;
+			if (/{{(method|path|line|pos|file)}}/gi.test(format))
+				needstack = true;
 
 			var filters;
 			if (lastFilter && lastFilter[title])
@@ -100,11 +105,13 @@ module.exports = (function() {
 			else
 				filters = _config.filters;
 
-			_self[title] = (function(level, title, format, filters) {
+			_self[title] = (function(level, title, format, filters, needstack) {
 				return (function() {
-					return _log(level, title, format, filters, arguments);
+					return _log(level, title, format, filters, needstack,
+							arguments);
 				});
-			})(i, title, format, filters);
+
+			})(i, title, format, filters, needstack);
 		}
 	}
 

package.json

@@ -2,7 +2,7 @@
   "name": "tracer",
   "description": "A powerful and customizable logging library for node.js. support color console with timestamp, line number, method name, file name and call stack. you can set transport to file, stream, database(ex: mongodb and clouddb, simpledb). keywords: log, logger, trace ",
   "homepage": "http://github.com/baryon/tracer",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "author": "LI Long <lilong@gmail.com>",
   "dependencies": {
     "dateformat": "1.0.2-1.2.3",