Only clean out build files when building for production

Author: brianchirls

src/index.js

@@ -9,7 +9,6 @@ import './index.css';
 import Main from './components/Main';
 
 if (window.ga) {
-	console.log('attaching error listener');
 	window.ga('set', {
 		appName: 'morph',
 		appVersion: COMMIT_HASH

webpack.config.js

@@ -77,10 +77,7 @@ const VERSION = (() => {
 })();
 
 const plugins = [
-	new CaseSensitivePathsPlugin(),
-	new CleanWebpackPlugin(['build/**/*'], {
-		verbose: false
-	})
+	new CaseSensitivePathsPlugin()
 ];
 
 const config = {
@@ -365,6 +362,9 @@ const distConfig = {
 		}
 	},
 	plugins: [
+		new CleanWebpackPlugin(['build/**/*'], {
+			verbose: false
+		}),
 		new webpack.DefinePlugin({
 			'process.env.NODE_ENV': JSON.stringify('production'),
 			DEBUG: false,