add option.exclude

Gruntfile.js

@@ -56,6 +56,18 @@ module.exports = function(grunt) {
         src: ['test/fixtures/Project_A/*.js', 'test/fixtures/Project_B/*.js'],
         dest: 'tmp/multipackage_partial_simple.js'
       },
+      multipackage_partial_exclude: {
+        options: {
+          only: 'ProjectB/*',
+		  exclude: ['ProjectA/*'],
+          name: {
+            ProjectB: 'test/fixtures/Project_B',
+            ProjectA: 'test/fixtures/Project_A'
+          }
+        },
+        src: ['test/fixtures/Project_A/*.js', 'test/fixtures/Project_B/*.js'],
+        dest: 'tmp/multipackage_partial_exclude.js'
+      },
       multipackage_partial_widcard: {
         options: {
           only: 'ProjectB/*',

README.md

@@ -143,6 +143,11 @@ grunt.initConfig({
 });
 ```
 
+#### options.exclude
+Type: `Array`
+
+The specific dependencies packages to exclude from the compilation.
+
 ### Other Usage Examples
 
 #### Default Options

package.json

@@ -1,7 +1,7 @@
 {
   "name": "grunt-mootools-packager",
   "description": "Grunt task for MooTools Packager projects.",
-  "version": "0.4.0",
+  "version": "0.5.0",
   "homepage": "https://github.com/ibolmo/grunt-mootools-packager",
   "author": {
     "name": "Olmo Maldonado",

tasks/packager.js

@@ -165,6 +165,18 @@ module.exports = function(grunt) {
 			// load each component into the buffer list
 			(only ? toArray(only) : set).forEach(loadComponent);
 
+			// remove unwanted dependencies
+			if (options.exclude){
+				var toExclude = toArray(options.exclude); 
+				buffer = buffer.filter(function(def){
+					var shouldKeep = toExclude.filter(function(dependency){
+						var match = dependency.match(/([^\*]+)/);
+						return match ? def.key.indexOf(match[1]) != 0 : true;
+					});
+					return shouldKeep.length;
+				});
+			}
+
 			// convert the buffer into the actual source
 			buffer = buffer.map(function(def){ return def.source; }).join(options.separator);
 

test/expected/multipackage_partial_exclude.js

@@ -0,0 +1,17 @@
+/*
+---
+
+name: B part of ProjectA
+
+description: ProjectB, extending ProjectA
+
+requires: [ProjectA/ProjectA]
+
+provides: ProjectB
+
+...
+*/
+
+var projectB = function(){
+	return [projectA.name].concat('ProjectB');
+};

test/packager_test.js

@@ -54,6 +54,16 @@ exports.packager = {
 
     test.done();
   },
+  // multi project build with wildcard option `exclude: 'package/*'`
+  multipackage_partial_exclude: function(test){
+    test.expect(1);
+
+    var actual = grunt.file.read('tmp/multipackage_partial_exclude.js');
+    var expected = grunt.file.read('test/expected/multipackage_partial_exclude.js');
+    test.equal(actual, expected, 'should be exact for multipackage build without specified excluded components.');
+
+    test.done();
+  },
   // option `callback`
   callback: function(test){
     test.expect(1);