appenders can be added to multiple categories at the same time

lib/log4js.js

@@ -55,7 +55,7 @@ var log4js = {
 	 * @static
 	 * @final
 	 */
-  	version: "0.1.0",
+  	version: "0.1.1",
 
 	/**  
 	 * Date of logger initialized.
@@ -119,8 +119,21 @@ exports.getDefaultLogger = log4js.getDefaultLogger = function() {
 	return log4js.getLogger(DEFAULT_CATEGORY); 
 };
   
-exports.addAppender = log4js.addAppender = function (appender, categoryName) {
-    var category = categoryName || ALL_CATEGORIES;
+/**
+ * args are appender, then zero or more categories
+ */
+exports.addAppender = log4js.addAppender = function () {
+  var args = Array.prototype.slice.call(arguments);
+  var appender = args.shift();
+  if (args.length == 0) {
+    args = [ ALL_CATEGORIES ];
+  }
+  //argument may already be an array
+  if (args[0].forEach) {
+    args = args[0];
+  }
+  
+  args.forEach(function(category) {
     if (!log4js.appenders[category]) {
       log4js.appenders[category] = [];
     }
@@ -135,13 +148,14 @@ exports.addAppender = log4js.addAppender = function (appender, categoryName) {
     } else if (log4js.loggers[category]) {
       log4js.loggers[category].addListener("log", appender);
     }
+  });
 };
   
 exports.clearAppenders = log4js.clearAppenders = function() {
     log4js.appenders = [];
     for (var logger in log4js.loggers) {
       if (log4js.loggers.hasOwnProperty(logger)) {
-        log4js.loggers[logger].listeners.length = 0;
+        log4js.loggers[logger].removeAllListeners("log");
       }
     }
 };

package.json

@@ -1,6 +1,6 @@
 {
    "name": "log4js",
-   "version": "0.1.0",
+   "version": "0.1.1",
    "description": "Port of Log4js to work with node.",
    "keywords": [
        "logging",

spec/spec.logging.js

@@ -48,7 +48,6 @@ describe 'log4js'
   
   describe 'addAppender'
     before_each
-      log4js.clearAppenders();
       appenderEvent = undefined;
       appender = function(logEvent) { appenderEvent = logEvent; };
     end
@@ -72,6 +71,15 @@ describe 'log4js'
         
         appenderEvent.should.be event
         otherEvent.should.be event
+        
+        otherEvent = undefined;
+        appenderEvent = undefined;
+        log4js.getLogger('pants').debug("this should not be propagated to otherEvent");
+        otherEvent.should.be undefined
+        appenderEvent.should.not.be undefined
+        appenderEvent.message.should.be "this should not be propagated to otherEvent"
+        
+        cheeseLogger = null;
       end
     end
     
@@ -88,6 +96,45 @@ describe 'log4js'
       end
     end
     
+    describe 'with multiple categories'
+      it 'should register the function as a listener for all the categories'
+        log4js.addAppender(appender, 'tests', 'biscuits');
+        
+        logger.debug('this is a test');
+        appenderEvent.should.be event
+        appenderEvent = undefined;
+        
+        var otherLogger = log4js.getLogger('biscuits');
+        otherLogger.debug("mmm... garibaldis");
+        appenderEvent.should.not.be undefined
+        appenderEvent.message.should.be "mmm... garibaldis"
+        appenderEvent = undefined;
+        
+        otherLogger = null;
+        
+        log4js.getLogger("something else").debug("pants");
+        appenderEvent.should.be undefined
+      end
+      
+      it 'should register the function when the list of categories is an array'
+        log4js.addAppender(appender, ['tests', 'pants']);
+        
+        logger.debug('this is a test');
+        appenderEvent.should.be event
+        appenderEvent = undefined;
+        
+        var otherLogger = log4js.getLogger('pants');
+        otherLogger.debug("big pants");
+        appenderEvent.should.not.be undefined
+        appenderEvent.message.should.be "big pants"
+        appenderEvent = undefined;
+        
+        otherLogger = null;
+        
+        log4js.getLogger("something else").debug("pants");
+        appenderEvent.should.be undefined
+      end      
+    end
   end
   
   describe 'basicLayout'
@@ -189,6 +236,8 @@ describe 'log4js'
       //and sets the log level for "tests" to WARN
       log4js.configure('spec/fixtures/log4js.json');
       event = undefined;
+      logger = log4js.getLogger("tests");
+      logger.addListener("log", function(evt) { event = evt });
       
       logger.info('this should not fire an event');
       event.should.be undefined
@@ -200,7 +249,6 @@ describe 'log4js'
     
     it 'should handle logLevelFilter configuration'
       log4js.configure('spec/fixtures/with-logLevelFilter.json');
-      event = undefined;
       
       logger.info('main');
       logger.error('both');