ditch buble, replace uglify with terser

Author: Rich-Harris

package.json

@@ -2,13 +2,12 @@
   "name": "svelte-app",
   "version": "1.0.0",
   "devDependencies": {
+    "npm-run-all": "^4.1.3",
     "rollup": "^0.58.2",
-    "rollup-plugin-buble": "^0.19.2",
     "rollup-plugin-commonjs": "^9.1.3",
     "rollup-plugin-node-resolve": "^3.0.3",
     "rollup-plugin-svelte": "^4.0.0",
-    "rollup-plugin-uglify": "^3.0.0",
-    "npm-run-all": "^4.1.3",
+    "rollup-plugin-terser": "^1.0.1",
     "serve": "^6.5.6",
     "svelte": "^2.6.0"
   },

rollup.config.js

@@ -1,8 +1,7 @@
 import svelte from 'rollup-plugin-svelte';
 import resolve from 'rollup-plugin-node-resolve';
 import commonjs from 'rollup-plugin-commonjs';
-import buble from 'rollup-plugin-buble';
-import uglify from 'rollup-plugin-uglify';
+import { terser } from 'rollup-plugin-terser';
 
 const production = !process.env.ROLLUP_WATCH;
 
@@ -38,8 +37,7 @@ export default {
 		commonjs(),
 
 		// If we're building for production (npm run build
-		// instead of npm run dev), transpile and minify
-		production && buble({ include: ['src/**', 'node_modules/svelte/shared.js'] }),
-		production && uglify()
+		// instead of npm run dev), minify
+		production && terser()
 	]
 };