Apply exclude to RequireJS shim dependencies

lib/madge.js

@@ -73,7 +73,7 @@ function Madge(src, opts) {
 	}
 
 	if (this.opts.requireConfig) {
-		mergeTrees(tree, requirejs.getShimDepsFromConfig(this.opts.requireConfig));
+		mergeTrees(tree, requirejs.getShimDepsFromConfig(this.opts.requireConfig, this.opts.exclude));
 	}
 
 	this.tree = tree;

lib/requirejs.js

@@ -10,14 +10,18 @@ var fs = require('fs'),
  * Read shim dependencies from RequireJS config.
  * @param  {String} filename
  */
-module.exports.getShimDepsFromConfig = function (filename) {
+module.exports.getShimDepsFromConfig = function (filename, exclude) {
 	var deps = {},
-		config = parse.findConfig(filename, fs.readFileSync(filename, 'utf8'));
+		config = parse.findConfig(filename, fs.readFileSync(filename, 'utf8')),
+        excludeRegex = exclude ? new RegExp(exclude) : false,
+        isIncluded = function (key) {
+            return !(excludeRegex && key.match(excludeRegex));
+        };
 
 	if (config.shim) {
-		Object.keys(config.shim).forEach(function (key) {
+		Object.keys(config.shim).filter(isIncluded).forEach(function (key) {
 			if (config.shim[key].deps) {
-				deps[key] = config.shim[key].deps;
+				deps[key] = config.shim[key].deps.filter(isIncluded);
 			} else {
 				deps[key] = [];
 			}

test/amd.js

@@ -20,7 +20,7 @@ describe('module format (AMD)', function () {
 		madge([__dirname + '/files/amd/requirejs/a.js'], {
 			format: 'amd',
 			requireConfig: __dirname + '/files/amd/requirejs/config.js'
-		}).obj().should.eql({ a: [ 'jquery' ], 'jquery': [], 'jquery.foo': [ 'jquery' ], 'jquery.bar': [ 'jquery' ] });
+		}).obj().should.eql({ a: [ 'jquery' ], 'jquery': [], 'jquery.foo': [ 'jquery' ], 'jquery.bar': [ 'jquery' ], 'baz': [ 'quux' ], 'quux': [] });
 	});
 
 	it('should be able to exclude modules', function () {
@@ -33,6 +33,12 @@ describe('module format (AMD)', function () {
 			format: 'amd',
 			exclude: '.*\/c$'
 		}).obj().should.eql({ 'a': [ 'sub/b' ], 'd': [], 'e': [], 'sub/b': [] });
+
+		madge([__dirname + '/files/amd/requirejs/a.js'], {
+			format: 'amd',
+			requireConfig: __dirname + '/files/amd/requirejs/config.js',
+			exclude: '^jquery.foo|quux$'
+		}).obj().should.eql({ a: [ 'jquery' ], 'jquery': [], 'jquery.bar': [ 'jquery' ] , 'baz': []});
 	});
 
 	it('should tackle errors in files', function () {

test/files/amd/requirejs/config.js

@@ -2,11 +2,15 @@ require.config({
 	paths: {
 		'jquery': 'vendor/jquery-2.0.3',
 		'jquery.foo': 'vendor/jquery.foo-1.0',
-		'jquery.bar': 'vendor/jquery.bar-1.0'
+		'jquery.bar': 'vendor/jquery.bar-1.0',
+		'baz': 'vendor/baz',
+		'quux': 'vendor/quux'
 	},
 	shim: {
 		'jquery': { exports: '$' },
 		'jquery.foo': { deps: ['jquery'] },
-		'jquery.bar': { deps: ['jquery'] }
+		'jquery.bar': { deps: ['jquery'] },
+		'baz': { exports: 'baz', deps: ['quux'] },
+		'quux': { exports: 'quux' }
 	}
 });