use webpack for all builds

packages/netlify-cms-editor-component-image/babel.config.js

@@ -0,0 +1,3 @@
+const config = require('../../babel.config.js');
+
+module.exports = config;

packages/netlify-cms-editor-component-image/package.json

@@ -2,6 +2,7 @@
   "name": "netlify-cms-editor-component-image",
   "description": "Image component for Netlify CMS editor widget",
   "version": "2.0.0-alpha.0",
+  "main": "dist/netlify-cms-editor-component-image.js",
   "license": "MIT",
   "keywords": [
     "netlify",
@@ -9,14 +10,21 @@
     "editor",
     "component"
   ],
+  "sideEffects": false,
   "scripts": {
-    "watch": "parcel watch src/*.js --out-dir . --no-cache",
-    "build": "parcel build src/*.js --out-dir . --no-cache"
-  },
-  "dependencies": {
-    "react": "^16.4.1"
+    "watch": "webpack -w",
+    "build": "cross-env NODE_ENV=production webpack"
   },
   "devDependencies": {
-    "parcel-bundler": "^1.9.4"
+    "@babel/cli": "^7.0.0-beta.54",
+    "@babel/core": "^7.0.0-beta.54",
+    "cross-env": "^5.2.0",
+    "rollup": "^0.63.2",
+    "rollup-plugin-babel": "^4.0.0-beta.7",
+    "webpack": "^4.16.1",
+    "webpack-cli": "^3.1.0"
+  },
+  "peerDependencies": {
+    "react": "^16.4.1"
   }
 }

packages/netlify-cms-editor-component-image/webpack.config.js

@@ -0,0 +1 @@
+module.exports = require('../../webpack.config.js');