Adds linting

Author: flovilmart

.travis.yml

@@ -23,6 +23,7 @@ jobs:
       - npm install -g mongodb-runner
       - mongodb-runner start
       script: 
+      - npm run lint
       - npm test -- --maxWorkers=4
       - npm run integration
       after_script: ./node_modules/codecov/bin/codecov -f ./coverage/coverage-final.json && rm -rf ./coverage

package.json

@@ -71,6 +71,7 @@
     "build": "./build_releases.sh",
     "release": "./build_releases.sh && npm publish",
     "test": "PARSE_BUILD=node jest",
+    "lint": "eslint --cache src/",
     "preintegration": "npm run build",
     "watch": "PARSE_BUILD=${PARSE_BUILD:=node} gulp watch",
     "integration": "TESTING=1 jasmine --config=jasmine.json",