fix(lint): fix listing of files (#417)

Author: filipesilva

addon/ng2/commands/lint.js renamed to addon/ng2/commands/lint.ts

@@ -1,8 +1,5 @@
-/* jshint node: true */
-'use strict';
-
-var Command = require('ember-cli/lib/models/command');
-var LintTask = require('../tasks/lint');
+import * as Command from 'ember-cli/lib/models/command';
+import * as LintTask from '../tasks/lint';
 
 module.exports = Command.extend({
   name: 'lint',

addon/ng2/tasks/lint.js

@@ -0,0 +1,22 @@
+import * as Promise from 'ember-cli/lib/ext/promise';
+import * as Task from 'ember-cli/lib/models/task';
+import * as chalk from 'chalk';
+import {exec} from 'child_process';
+
+module.exports = Task.extend({
+  run: function () {
+    var ui = this.ui;
+
+    return new Promise(function(resolve) {
+      exec('npm run lint', (err, stdout) => {
+        ui.writeLine(stdout);
+        if (err) {
+          ui.writeLine(chalk.red('Lint errors found in the listed files.'));
+        } else {
+          ui.writeLine(chalk.green('All files pass linting.'));
+        }
+        resolve();
+      });
+    });
+  }
+});