Make new Comb() and configure() chainable

You can now do things like:

    // Init, configure and process:
    var css = new Comb('csscomb').processFile('nani.scss');

    // Comb a file with one line of code:
    new Comb().configure({ 'always-semicolon': true }).processFile('panda.less');

Author: tonyganch

lib/csscomb.js

@@ -42,6 +42,9 @@ var Comb = function(config) {
     }
 
     if (typeof config === 'object') this.configure(config);
+
+    // Return Comb's object to make creating new instance chainable:
+    return this;
 };
 
 Comb.prototype = {
@@ -95,6 +98,9 @@ Comb.prototype = {
         this.changed = 0;
         this._verbose = config.verbose;
         this._lint = config.lint;
+
+        // Return Comb's object to make the method chainable:
+        return this;
     },
 
     /**

test/configure.js

@@ -29,4 +29,20 @@ describe('csscomb methods', function() {
 
         assert.equal(expected, output);
     });
+
+    it('new Comb() should be chainable', function() {
+        input = 'a { color: tomato; top: 0; }';
+        expected = 'a {top: 0;  color: tomato; }';
+        output = new Comb('zen').processString(input);
+
+        assert.equal(expected, output);
+    });
+
+    it('configure() should be chainable', function() {
+        input = 'a { color: tomato }';
+        expected = 'a { color: tomato; }';
+        output = new Comb().configure({ 'always-semicolon': true }).processString(input);
+
+        assert.equal(expected, output);
+    });
 });