update package, rollup config and use export in main

package.json

@@ -2,13 +2,12 @@
   "name": "svelte-app",
   "version": "1.0.0",
   "devDependencies": {
-    "rollup": "^0.47.6",
+    "rollup": "^0.49.3",
     "rollup-plugin-buble": "^0.15.0",
-    "rollup-plugin-commonjs": "^8.1.0",
+    "rollup-plugin-commonjs": "^8.2.1",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-svelte": "^3.1.0",
     "rollup-plugin-uglify": "^2.0.1",
-    "rollup-watch": "^4.3.1",
     "serve": "^6.0.6"
   },
   "scripts": {

rollup.config.js

@@ -7,13 +7,17 @@ import uglify from 'rollup-plugin-uglify';
 const production = !process.env.ROLLUP_WATCH;
 
 export default {
-	entry: 'src/main.js',
-	dest: 'public/bundle.js',
+	input: 'src/main.js',	
+	output: {
+		sourcemap: true,	
 		format: 'iife',
-	moduleName: 'app',
-	sourceMap: true,
+		file: 'public/bundle.js'
+	},
+	name: 'app',
 	plugins: [
 		svelte({
+			// enable run-time checks when not in production
+			dev: !production,
 			// we'll extract any component CSS out into
 			// a separate file — better for performance
 			css: css => {

src/main.js

@@ -1,8 +1,10 @@
 import App from './App.html';
 
-window.app = new App({
+const app = new App({
 	target: document.body,
 	data: {
 		name: 'world'
 	}
 });
+
+export default app;