{
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "rules": {
    "semi": 2,
    "semi-spacing": ["error", {"before": false, "after": true}],
    "quotes": ["warn", "double", { "avoidEscape": true }],
    "no-eq-null": 2,
    "no-var": "warn",
    "no-const-assign": "error",
    "template-curly-spacing": ["warn", "never"],
    "prefer-template": "warn"
  }
}
{
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "rules": {
    "semi": 2,
    "semi-spacing": ["error", {"before": false, "after": true}],
    "quotes": ["warn", "double", { "avoidEscape": true }],
    "no-eq-null": 2,
    "eqeqeq": ["warn", "always"],
    "no-var": "warn",
    "no-const-assign": "error",
    "template-curly-spacing": ["warn", "never"],
    "prefer-template": "warn"
  }
}
Add a new rule to eslint to ensure === and !== operators
Add a new rule to eslint to ensure === and !== operators
