Verbose option (close #62)

Author: mishanga

README.md

@@ -40,6 +40,8 @@ Example configuration:
 ```json
 {
     "exclude": ["node_modules/**"],
+    "verbose": true,
+
     "always-semicolon": true,
     "block-indent": true,
     "colon-space": true,
@@ -56,6 +58,25 @@ Example configuration:
 
 ## Options
 
+### verbose
+
+Available value: `{Boolean}` true
+
+Config mode: `{ "verbose": true }`
+```bash
+$ ./bin/csscomb ./test
+./test/integral.expect.css
+./test/integral.origin.css
+2 files processed
+94 ms spent
+```
+
+CLI mode:
+```bash
+$ ./bin/csscomb ./test --verbose
+$ ./bin/csscomb ./test -v
+```
+
 ### always-semicolon
 
 Available value: `{Boolean}` true

lib/cli.js

@@ -2,7 +2,7 @@
  * Command line implementation for CSSComb
  *
  * Usage example:
- * ./node_modules/.bin/csscomb file1 [dir1 [fileN [dirN]]]
+ * ./node_modules/.bin/csscomb [options] file1 [dir1 [fileN [dirN]]]
  */
 var fs = require('fs');
 var program = require('commander');
@@ -12,6 +12,7 @@ var Comb = require('./csscomb');
 program
     .version(require('../package.json').version)
     .usage('[options] <file ...>')
+    .option('-v, --verbose', 'verbose mode')
     .option('-c, --config [path]', 'configuration file path')
     .parse(process.argv);
 
@@ -24,12 +25,20 @@ var configPath = program.config || (process.cwd() + '/.csscomb.json');
 
 if (fs.existsSync(configPath)) {
     var comb = new Comb();
-    comb.configure(require(configPath));
+    var config = require(configPath);
+    var time = new Date();
+    config.verbose = program.verbose === true || config.verbose;
+    comb.configure(config);
     vow.all(program.args.map(function(path) {
         return comb.processPath(path);
     })).fail(function(e) {
         console.log('stack: ', e.stack);
         process.exit(1);
+    }).always(function() {
+        if (config.verbose) {
+            console.log(comb.count + ' file' + (comb.count === 1 ? '' : 's') + ' processed');
+            console.log((new Date().getTime() - time.getTime()) + ' ms spent');
+        }
     });
 } else {
     console.log('Configuration file ' + configPath + ' was not found.');

lib/csscomb.js

@@ -52,6 +52,9 @@ Comb.prototype = {
         this._exclude = (config.exclude || []).map(function(pattern) {
             return new minimatch.Minimatch(pattern);
         });
+
+        this.count = 0;
+        this._verbose = config.verbose;
     },
 
     /**
@@ -115,7 +118,10 @@ Comb.prototype = {
         var _this = this;
         if (this._shouldProcess(path) && path.match(/\.css$/)) {
             return vfs.read(path, 'utf8').then(function(data) {
-                return vfs.write(path, _this.processString(data, path), 'utf8');
+                return vfs.write(path, _this.processString(data, path), 'utf8').then(function() {
+                    _this.count++;
+                    if (_this._verbose) console.log(path);
+                });
             });
         }
         return null;