.eslintrc

{
  "extends": "react-app",
  "rules": {
    "semi": 2,
    "array-callback-return": 2,
    "no-delete-var": 2,
    "no-self-compare": 2,
    "no-useless-return": 2,
    "no-unused-vars": 2,
    "no-use-before-define": 2,
    "array-bracket-spacing": [
      "error",
      "never"
    ],
    "comma-spacing": [
      "error",
      {
        "before": false,
        "after": true
      }
    ],
    "func-call-spacing": [
      "error",
      "never"
    ],
    "jsx-quotes": [
      "error",
      "prefer-double"
    ],
    "key-spacing": [
      "error",
      {
        "beforeColon": false
      }
    ],
    "keyword-spacing": [
      "error",
      {
        "before": true
      }
    ],
    "space-before-blocks": [
      "error",
      "always"
    ],
    "space-before-function-paren": [
      "error",
      {
        "named": "never"
      }
    ]
  }
}