Switch to the rollup assembly system

package.json

@@ -26,18 +26,21 @@
     "devDependencies": {
         "babel-cli": "^6.24.1",
         "babel-core": "^6.24.1",
-        "babel-loader": "^7.1.2",
         "babel-preset-es2015": "^6.24.1",
+        "babel-preset-es2015-rollup": "^3.0.0",
         "eslint": "^3.19.0",
-        "uglify-js": "^3.1.2",
-        "webpack": "^3.6.0"
+        "rollup": "^0.50.0",
+        "rollup-plugin-babel": "^3.0.2",
+        "rollup-plugin-node-builtins": "^2.1.2",
+        "rollup-plugin-node-globals": "^1.1.0",
+        "uglify-js": "^3.1.2"
     },
     "scripts": {
         "minify-standalone": "uglifyjs --mangle --compress --toplevel --source-map --output dist/standalone.min.js dist/standalone.js",
         "minify-browser": "uglifyjs --mangle --compress --toplevel --source-map --output dist/bundle.min.js dist/bundle.js",
         "minify": "npm run minify-browser && npm run minify-standalone",
-        "build-standalone": "babel --out-file dist/standalone.js src/index.js",
-        "build-browser": "webpack --config webpack.config.js",
+        "build-standalone": "babel src/index.js --out-file dist/standalone.js",
+        "build-browser": "rollup --config rollup.config.js",
         "build": "npm run build-browser && npm run build-standalone",
         "check": "eslint ./src/*"
     }

rollup.config.js

@@ -0,0 +1,22 @@
+import builtins from 'rollup-plugin-node-builtins';
+import globals from 'rollup-plugin-node-globals';
+import babel from 'rollup-plugin-babel';
+
+export default {
+    moduleName: 'client',
+    dest: 'dist/bundle.js',
+    entry: 'src/index.js',
+    format: 'iife',
+    plugins: [
+        builtins(),
+        globals(),
+        babel({
+            babelrc: false,
+            sourceMaps: false,
+            comments: false,
+            presets: [
+                ["es2015", { modules: false }]
+            ],
+        })
+    ]
+};

webpack.config.js

@@ -1,25 +0,0 @@
-'use strict';
-var webpack = require('webpack');
-var path = require('path');
-
-module.exports = {
-    entry: path.resolve(__dirname, 'src/index.js'),
-
-    output: {
-        filename: 'bundle.js',
-        path: path.resolve(__dirname, 'dist')
-    },
-
-    module: {
-        rules: [{
-            test: /\.js$/,
-            exclude: /(node_modules|bower_components)/,
-            use: {
-                loader: 'babel-loader',
-                options: {
-                    presets: ['es2015']
-                }
-            }
-        }]
-    }
-};