enable lint on circle ci (#4312)

* enable lint on circle ci

Co-authored-by: Andrew Henry <akhenry@gmail.com>

.circleci/config.yml

@@ -42,6 +42,7 @@ jobs:
             - ~/.npm
             - ~/.cache
             - node_modules
+      - run: npm run lint
       - run: npm run test:coverage -- --browsers=<<parameters.browser>> || <<parameters.always-pass>>
       - store_test_results:
           path: dist/reports/tests/

package.json

@@ -64,6 +64,7 @@
     "uuid": "^3.3.3",
     "v8-compile-cache": "^1.1.0",
     "vue": "2.5.6",
+    "vue-eslint-parser": "7.11.0",
     "vue-loader": "^15.2.6",
     "vue-template-compiler": "2.5.6",
     "webpack": "^4.16.2",