{
  "extends": "../base/.eslintrc.json",
  "env": {
    "es6": true
  },
  "ecmaFeatures": {
    "modules": true
  },
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 6
  }
}

{
  "extends": "../base/.eslintrc.json",
  "env": {
    "es6": true
  },
  "ecmaFeatures": {
    "modules": true
  },
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 6
  },
  "rules": {
    "no-var": 2
  }
}

Add no-var in ES6 config
Add no-var in ES6 config
