fix: remove default key when requiring in nodejs

Author: rayrutjes

.babelrc

@@ -1,3 +1,6 @@
 {
-  "presets": ["es2015"]
+  "presets": ["es2015"],
+  "plugins": [
+    "add-module-exports"
+  ]
 }

package.json

@@ -20,6 +20,7 @@
   },
   "devDependencies": {
     "babel-eslint": "^7.2.3",
+    "babel-plugin-add-module-exports": "^0.2.1",
     "babel-preset-es2015": "^6.24.1",
     "conventional-changelog-cli": "^1.3.1",
     "eslint": "^4.0.0",

yarn.lock

@@ -322,6 +322,10 @@ babel-messages@^6.23.0:
   dependencies:
     babel-runtime "^6.22.0"
 
+babel-plugin-add-module-exports@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-add-module-exports/-/babel-plugin-add-module-exports-0.2.1.tgz#9ae9a1f4a8dc67f0cdec4f4aeda1e43a5ff65e25"
+
 babel-plugin-check-es2015-constants@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.22.0.tgz#35157b101426fd2ffd3da3f75c7d1e91835bbf8a"