Remove backbone and lodash duplicates from the bundle

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "grapesjs",
-  "version": "0.14.65",
+  "version": "0.14.66",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {

package.json

@@ -1,7 +1,7 @@
 {
   "name": "grapesjs",
   "description": "Free and Open Source Web Builder Framework",
-  "version": "0.14.65",
+  "version": "0.14.66",
   "author": "Artur Arseniev",
   "license": "BSD-3-Clause",
   "homepage": "http://grapesjs.com",
@@ -121,6 +121,7 @@
     "start": "run-p start:*",
     "start:css": "npm run build:css -- -w",
     "start:js": "webpack-dev-server --open --progress --colors",
+    "stats": "webpack --profile --json > stats.json && webpack-bundle-analyzer stats.json",
     "format": "prettier --single-quote --write './{src,test}/**/*.js'",
     "test": "jest",
     "test:dev": "jest --watch"

webpack.config.js

@@ -3,6 +3,7 @@ const pkg = require('./package.json');
 const webpack = require('webpack');
 const path = require('path');
 const fs = require('fs');
+const rootDir = path.resolve(__dirname);
 let plugins = [];
 
 module.exports = env => {
@@ -63,7 +64,9 @@ module.exports = env => {
     resolve: {
       modules: ['src', 'node_modules'],
       alias: {
-        jquery: 'cash-dom'
+        jquery: 'cash-dom',
+        backbone: `${rootDir}/node_modules/backbone`,
+        underscore: `${rootDir}/node_modules/underscore`,
       }
     }
   };