Using an imported entity as an expression as suggested by @DanielRosenwasser

Author: johnnyreilly

es6-babel-react-flux-karma/src/main.tsx

@@ -2,6 +2,6 @@ import './dependencies';
 import * as React from 'react';
 import * as ReactDOM from 'react-dom';
 import App from './components/App';
-const __react = React; // only in place to prevent React being purged from dependencies as not used directly
+React; // use React as an expression to prevent React being purged from dependencies as not used directly
 
 ReactDOM.render(<App />, document.getElementById('content'));

es6-babel-react-flux-karma/test/components/App.tests.tsx

@@ -4,7 +4,7 @@ import App from '../../src/components/App';
 import WhoToGreet from '../../src/components/WhoToGreet';
 import Greeting from '../../src/components/Greeting';
 import GreetingStore from '../../src/stores/GreetingStore';
-const __react = React; // only in place to prevent React being purged from dependencies as not used directly
+React; // use React as an expression to prevent React being purged from dependencies as not used directly
 
 describe('App', () => {
   it('renders expected HTML', () => {

es6-babel-react-flux-karma/test/components/Greeting.tests.tsx

@@ -2,7 +2,7 @@ import * as React from 'react';
 import * as TestUtils from 'react-addons-test-utils';
 import Greeting from '../../src/components/Greeting';
 import * as GreetingActions from '../../src/actions/GreetingActions';
-const __react = React; // only in place to prevent React being purged from dependencies as not used directly
+React; // use React as an expression to prevent React being purged from dependencies as not used directly
 
 describe('Greeting', () => {
   let handleSelectionChangeSpy: jasmine.Spy;

es6-babel-react-flux-karma/test/components/WhoToGreet.tests.tsx

@@ -2,7 +2,7 @@ import * as React from 'react';
 import * as TestUtils from 'react-addons-test-utils';
 import WhoToGreet from '../../src/components/WhoToGreet';
 import * as GreetingActions from '../../src/actions/GreetingActions';
-const __react = React; // only in place to prevent React being purged from dependencies as not used directly
+React; // use React as an expression to prevent React being purged from dependencies as not used directly
 
 describe('WhoToGreet', () => {
   let handleSelectionChangeSpy: jasmine.Spy;