feat(doc): add "ng doc" command

Author: shairez

addon/ng2/commands/doc.js

@@ -0,0 +1,25 @@
+/* jshint node: true */
+'use strict';
+
+var Command = require('ember-cli/lib/models/command');
+var DocTask = require('../tasks/doc');
+
+module.exports = Command.extend({
+  name: 'doc',
+  description: 'Opens the official Angular documentation for a given keyword.',
+  works: 'everywhere',
+  anonymousOptions: [
+    '<keyword>'
+  ],
+  run: function(commandOptions, rawArgs) {
+    var keyword = rawArgs[0];
+    
+    var docTask = new DocTask({
+      ui: this.ui,
+      analytics: this.analytics,
+      project: this.project
+    });
+
+    return docTask.run(keyword);
+  }
+});

addon/ng2/index.js

@@ -13,7 +13,8 @@ module.exports = {
       'lint': require('./commands/lint'),
       'format': require('./commands/format'),
       'version': require('./commands/version'),
-      'completion': require('./commands/completion')
+      'completion': require('./commands/completion'),
+      'doc': require('./commands/doc')
     };
   }
 };

addon/ng2/tasks/doc.js

@@ -0,0 +1,12 @@
+/* jshint node: true */
+'use strict';
+
+var Task = require('ember-cli/lib/models/task');
+var opn = require('opn');
+
+module.exports = Task.extend({
+  run: function(keyword) {
+    var searchUrl = 'https://angular.io/docs/ts/latest/api/#!?apiFilter=' + keyword; 
+    return opn(searchUrl);
+  }
+});

package.json

@@ -43,6 +43,7 @@
     "leek": "0.0.21",
     "lodash": "^4.6.1",
     "multidep": "^2.0.0",
+    "opn": "4.0.1",
     "resolve": "^1.1.7",
     "shelljs": "^0.6.0",
     "silent-error": "^1.0.0",