Add react-dom to external dependency

Author: vkbansal

.editorconfig

@@ -0,0 +1,21 @@
+# EditorConfig is awesome: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# Unix-style newlines with a newline ending every file
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+# Matches multiple files with brace expansion notation
+# Set default charset
+[*.js]
+indent_style = space
+indent_size = 4
+
+[{package.json}]
+indent_style = space
+indent_size = 2

webpack.config.js

@@ -24,6 +24,12 @@ module.exports = {
             commonjs2: "react",
             commonjs: "react",
             amd: "react"
+        },
+        "react-dom": {
+            root: "ReactDOM",
+            commonjs2: "react-dom",
+            commonjs: "react-dom",
+            amd: "react-dom"
         }
     }],
     plugins: [