fix eslint's no-invalid-this rule for class properties

.eslintrc.js

@@ -13,6 +13,7 @@ module.exports = {
     plugins: [
       "react",
       "flowtype",
+      "babel"
     ],
     env: {
         es6: true,
@@ -23,6 +24,11 @@ module.exports = {
         }
     },
     rules: {
+        // eslint's built in no-invalid-this rule breaks with class properties
+        "no-invalid-this": "off",
+        // so we replace it with a version that is class property aware
+        "babel/no-invalid-this": "error",
+
         /** react **/
         // This just uses the react plugin to help eslint known when
         // variables have been used in JSX

package.json

@@ -90,6 +90,7 @@
     "babel-preset-react": "^6.11.1",
     "eslint": "^3.13.1",
     "eslint-config-google": "^0.7.1",
+    "eslint-plugin-babel": "^4.0.1",
     "eslint-plugin-flowtype": "^2.30.0",
     "eslint-plugin-react": "^6.9.0",
     "expect": "^1.16.0",