Rollup changes

.eslintrc

@@ -0,0 +1,17 @@
+{
+  "env": {
+    "browser": true,
+    "node": true,
+    "jquery": true,
+    "jest/globals": true,
+    "es6": true
+  },
+  "parserOptions": {
+    "sourceType": "module",
+    "allowImportExportEverywhere": true
+  },
+  "extends": [
+    "eslint:recommended"
+  ],
+  "parser": "babel-eslint"
+}