Added debug statements.

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Changelog
 
 ## 0.2.0 (July 27, 2015)
+* Added debug statements using [`debug`](https://github.com/visionmedia/debug).
 * Renamed `enabled` option to `enable`.
 
 ## 0.1.0 (July 19, 2015)

README.md

@@ -1,5 +1,5 @@
 # more-css plugin for [Hexo](https://hexo.io)
-> Compress CSS with [more-css](https://www.npmjs.com/package/more-css).
+> Compress CSS with [more-css](https://github.com/army8735/more).
 
 ## Install
 ```bash
@@ -20,8 +20,11 @@ more_css:
 - **exclude** - Exclude files.
 - **radical** - Apply further minimization. Defaults to `true`.
 
+## Debugging
+Launch the node process like `DEBUG=hexo:more-css hexo ...` to inspect debug messages.
+
 ## Alternatives
-- [hexo-clean-css](https://www.npmjs.com/package/hexo-clean-css)
+- [hexo-clean-css](https://github.com/hexojs/hexo-clean-css)
 
 See the [CSS minification benchmark](https://goalsmashers.github.io/css-minification-benchmark/) for a comparison of CSS compressors.
 

lib/filter.js

@@ -26,7 +26,8 @@
 'use strict';
 
 // Package modules.
-var minimatch = require('minimatch'),
+var debug     = require('debug')('hexo:more-css'),
+    minimatch = require('minimatch'),
     moreCss   = require('more-css');
 
 // Exports.
@@ -38,6 +39,7 @@ module.exports = function(str, locals) {
 
   // Return original if disabled.
   if(false === config.enable) {
+    debug('filter disabled'); // Debug.
     return str;
   }
 
@@ -52,7 +54,10 @@ module.exports = function(str, locals) {
       return str;
     }
   }
+  debug('compressing %s', locals.path); // Debug.
 
   // Return the result.
-  return moreCss.compress(str, config.radical);
+  var result = moreCss.compress(str, config.radical);
+  debug('updating %s, saved %d bytes', locals.path, str.length - result.length); // Debug.
+  return result;
 };

package.json

@@ -14,6 +14,7 @@
     "test"    : "./node_modules/.bin/mocha test/"
   },
   "dependencies": {
+    "debug"         : "2.2.x",
     "minimatch"     : "2.0.x",
     "more-css"      : "0.12.x",
     "object-assign" : "3.0.x"