Fix issue with root modules that don't have good names / versions

lib/nlf.js

@@ -286,6 +286,19 @@ function addPackageJson(moduleData, module) {
 	}
 }
 
+/**
+ * Creates an ID for a module
+ * @param {Object} moduleData read-installed module data
+ */
+function createId(moduleData) {
+
+	if (!moduleData._id || moduleData._id === '@') {
+		return 'unknown(' + moduleData.path + ')@0.0.0';
+	}
+
+	return moduleData._id;
+}
+
 /**
  * Create a module object from a record in readInstalled
  *
@@ -294,10 +307,12 @@ function addPackageJson(moduleData, module) {
  */
 function createModule(moduleData, callback) {
 
-	var repository = (moduleData.repository || {}).url || '(none)',
-		directory = moduleData.path,
-		module = new Module(moduleData._id, moduleData.name,
-			moduleData.version, directory, repository);
+	var repository = (moduleData.repository || {}).url || '(none)';
+	var directory = moduleData.path;
+	var id = createId(moduleData);
+	var name = moduleData.name || id;
+	var version = moduleData.version || '0.0.0';
+	var module = new Module(id, name, version, directory, repository);
 
 	// glob for license files
 	findPotentialLicenseFiles(directory, '*license*',

test/fixtures/missing-name/package.json

@@ -0,0 +1,6 @@
+{
+  "title": "NLF Test Project",
+  "description": "Test project for unit tests with missing name and version",
+  "author": "Ian Kelly <iandotkelly@gmail.com>",
+  "license": "MIT"
+}

test/unit/nlf.js

@@ -10,6 +10,7 @@ var path = require('path');
 var fixturedir = path.join(__dirname, '../fixtures/test-project');
 var licensesArrayDir = path.join(__dirname, '../fixtures/licenses-array');
 var licensesStringDir = path.join(__dirname, '../fixtures/licenses-string');
+var missingName = path.join(__dirname, '../fixtures/missing-name');
 
 describe('nlf', function () {
 
@@ -242,6 +243,32 @@ describe('nlf', function () {
 			});
 
 		});
+
+		describe('with a project without name or version', function () {
+
+			it('should correctly get the license', function(done) {
+
+				nlf.find(
+					{
+						directory: missingName
+					},
+					function (err, results) {
+						if (err) {
+							throw err;
+						}
+						results.length.should.be.equal(1);
+						var result = results[0];
+						result.name.should.be.equal('unknown(' + missingName + ')@0.0.0');
+						result.id.should.be.equal('unknown(' + missingName + ')@0.0.0');
+						result.version.should.be.equal('0.0.0');
+						var sources = result.licenseSources.package.sources;
+						sources.length.should.eql(1);
+						sources[0].license.should.eql('MIT');
+						done();
+					});
+			});
+		});
+
 	});
 
 });