module.exports = {
  root: true,
  env: {
    'browser': true
  },
  parser: 'babel-eslint',
  parserOptions: {
    sourceType: 'module'
  },
  extends: 'airbnb',
  plugins: [
    'html'
  ],
  rules: {
    'import/extensions': ['error', 'always', {
      'js': 'never',
      'vue': 'never'
    }],
  }
};

@@ -293,15 +293,45 @@
     %7D%5D,%0A
+    'no-underscore-dangle': 0%0A
   %7D%0A%7D;%0A

Remove comma dangle rule from eslint rules (VueComponent methods use _comma dangle)