Use babel parser for eslint (#151)

Author: mlarraz

.eslintrc

@@ -1,13 +1,6 @@
 {
   "root": true,
-  "parserOptions": {
-    "ecmaVersion": 8,
-    "sourceType": "module",
-    "ecmaFeatures": {
-      "impliedStrict": true,
-      "experimentalObjectRestSpread": true
-    }
-  },
+  "parser": "@babel/eslint-parser",
   "env": {
     "es6": true,
     "node": true,

package-lock.json

@@ -40,6 +40,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.12.0",
+    "@babel/eslint-parser": "^7.12.1",
     "@babel/preset-env": "^7.12.0",
     "@babel/register": "^7.12.10",
     "babel-loader": "^8.2.0",