.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "node": true,
    "jest": true
  },
  "extends": ["airbnb", "plugin:react/recommended"],
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": ["react", "jest"],
  "rules": {
    "import/prefer-default-export": 0,
    "no-underscore-dangle": 0,
    "import/no-extraneous-dependencies": ["error", { "devDependencies": true }],
    "jest/no-disabled-tests": "warn",
    "jest/no-focused-tests": "error",
    "jest/no-identical-title": "error",
    "jest/prefer-to-have-length": "warn",
    "jest/valid-expect": "error",
    "no-unused-vars":"warn"
  },
  "overrides": [
	  {
		  "files": ["*-test.js","*.spec.js"]
	  }],
	  "settings": {
    "react": {
      "pragma": "React",
      "version": "^16.8.6"
    }
  }
}