demonstrate issue with eslint-plugin-flowtype-errors

package.json

@@ -88,6 +88,12 @@
     ]
   },
   "eslintConfig": {
-    "extends": "react-app"
+    "extends": "react-app",
+    "rules": {
+      "flowtype-errors/show-errors": 2
+    },
+    "plugins": [
+      "flowtype-errors"
+    ]
   }
-}
+}

src/index.js

@@ -1,8 +1,24 @@
+// @flow
+
 import React from 'react';
 import ReactDOM from 'react-dom';
 import App from './App';
 import './index.css';
 
+import { GraphQLObjectType } from 'graphql'
+import type { GraphQLOutputType } from 'graphql'
+
+// The following line (12) is detected as a flow error by the plugin and flow cli
+const x: number = "lol"
+
+// The following line (15) is detected as a flow error by the flow CLI, but not the plugin
+const y: GraphQLOutputType = new GraphQLObjectType({
+  name: 'foo'
+  // fields: (missing, flow should complain)
+})
+
+console.log(x, y)
+
 ReactDOM.render(
   <App />,
   document.getElementById('root')