Using log4js in TidyHtml

src/node/utils/TidyHtml.js

@@ -2,18 +2,23 @@
  * Tidy up the HTML in a given file
  */
 
-var settings = require("./Settings");
+var log4js = require('log4js');
+var settings = require('./Settings');
 var spawn = require('child_process').spawn;
 
 exports.tidy = function(srcFile, callback) {
+  var logger = log4js.getLogger('TidyHtml');
+
   // Don't do anything if Tidy hasn't been enabled
   if (!settings.tidyHtml) {
+    logger.debug('tidyHtml has not been configured yet, ignoring tidy request');
     return callback(null);
   }
 
   var errMessage = '';
 
   // Spawn a new tidy instance that cleans up the file inline
+  logger.debug('Tidying ' + srcFile);
   var tidy = spawn(settings.tidyHtml, ['-modify', srcFile]);
 
   // Keep track of any error messages
@@ -26,9 +31,10 @@ exports.tidy = function(srcFile, callback) {
     // Tidy returns a 0 when no errors occur and a 1 exit code when
     // the file could be tidied but a few warnings were generated
     if (code === 0 || code === 1) {
+      logger.debug('Tidied ' + srcFile + ' successfully');
       return callback(null);
     } else {
-      console.error(errMessage);
+      logger.error('Failed to tidy ' + srcFile + '\n' + errMessage);
       return callback('Tidy died with exit code ' + code);
     }
   });