message: Fail on eslint warnings
diff: "scripts": {
  "build": "ember build",
  "start": "ember server",
  - "lint": "eslint --ext js,ts . && tslint -p . && stylelint 'app/**/*.scss'",
  + "lint": "eslint --ext js,ts --max-warnings=0 . && tslint -p . && stylelint 'app/**/*.scss'",
  "test": "ember test",
  "test:cover": "COVERAGE=true ember test",
  "test:translations": "node node-tests/compile-and-test-translations.js",
  "precommit": "lint-staged"
  },
  "lint-staged": {
  - "*.js": "eslint",
  + "*.js": "eslint --max-warnings=0",
  "*.ts": [
  - "eslint",
  + "eslint --max-warnings=0",
  "tslint"
  ],
  "*.scss": "stylelint",
  