Determine appname from bower/package.json if set

lib/base.js

@@ -45,7 +45,7 @@ var fileLogger = { write: noop, warn: noop };
  * @property {String}  resolved    - the path to the current generator
  * @property {String}  generatorName
  * @property {String}  description - Used in `--help` output
- * @property {String}  appname     - Application name determine from the CWD folder
+ * @property {String}  appname     - The application name
  * @property {Storage} config      - `.yo-rc` config file manager
  * @property {Object}  src         - File util instance scoped to `sourceRoot`
  * @property {Object}  dest        - File util instance scoped to `destinationRoot`
@@ -121,7 +121,7 @@ var Base = module.exports = function Base(args, options) {
   this._options = [];
   this._hooks = [];
   this._conflicts = [];
-  this.appname = path.basename(process.cwd()).replace(/[^\w\s]+?/g, ' ');
+  this.appname = this.determineAppname();
 
   this.option('help', {
     alias: 'h',
@@ -728,6 +728,29 @@ Base.prototype.getCollisionFilter = function () {
   };
 };
 
+/**
+ * Determines the name of the application.
+ *
+ * First checks for name in bower.json.
+ * Then checks for name in package.json.
+ * Finally defaults to the name of the current directory.
+ */
+Base.prototype.determineAppname = function () {
+  var appname;
+
+  try {
+    appname = require(path.join(process.cwd(), 'bower.json')).name;
+  } catch (e) {
+    try {
+      appname = require(path.join(process.cwd(), 'package.json')).name;
+    } catch (e) {
+      appname = path.basename(process.cwd());
+    }
+  }
+
+  return appname.replace(/[^\w\s]+?/g, ' ');
+};
+
 /**
  * Extend this Class to create a new one inherithing this one.
  * Also add a helper __super__ object poiting to the parent prototypes methods

test/base.js

@@ -37,7 +37,7 @@ describe('yeoman.generators.Base', function () {
       // mandatory options, created by the env#create() helper
       resolved: 'ember:all',
       namespace: 'dummy',
-      env: env,
+      env: env
     });
 
     this.dummy
@@ -54,6 +54,37 @@ describe('yeoman.generators.Base', function () {
     });
   });
 
+  describe('#determineAppname', function () {
+    before(function () {
+      process.chdir(path.join(__dirname, 'temp.dev'));
+    });
+
+    afterEach(function () {
+      if (fs.existsSync('bower.json')) {
+        fs.unlinkSync('bower.json');
+        delete require.cache[path.join(process.cwd(), 'bower.json')];
+      }
+      if (fs.existsSync('package.json')) {
+        fs.unlinkSync('package.json');
+        delete require.cache[path.join(process.cwd(), 'package.json')];
+      }
+    });
+
+    it('returns appname from bower.json', function () {
+      fs.writeFileSync('bower.json', '{ "name": "app-name" }');
+      assert.equal(this.dummy.determineAppname(), 'app name');
+    });
+
+    it('returns appname from package.json', function () {
+      fs.writeFileSync('package.json', '{ "name": "package_app-name" }');
+      assert.equal(this.dummy.determineAppname(), 'package_app name');
+    });
+
+    it('returns appname from the current directory', function () {
+      assert.equal(this.dummy.determineAppname(), 'temp dev');
+    });
+  });
+
   describe('.extend()', function () {
     it('create a new object inheriting the Generator', function () {
       assert.ok(new (Base.extend())([], { resolved: 'path/', env: this.env }) instanceof Base);