.eslintrc.json

{
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 2018,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "es6": true,
    "browser": true,
    "commonjs": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "react-app",
    "plugin:react/recommended"
  ],
  "rules": {
    "curly": [
      "error"
    ],
    "eqeqeq": [
      "error",
      "smart"
    ],
    "no-shadow": [
      "error",
      {
        "allow": [
          "cb"
        ]
      }
    ],
    "no-use-before-define": [
      "error"
    ],
    "prefer-promise-reject-errors": [
      "error"
    ],
    "no-irregular-whitespace": [
      "error",
      {
        "skipTemplates": true
      }
    ],
    "no-restricted-globals": [
      "error",
      "addEventListener",
      "blur",
      "close",
      "closed",
      "confirm",
      "defaultStatus",
      "event",
      "external",
      "defaultstatus",
      "find",
      "focus",
      "frameElement",
      "frames",
      "history",
      "innerHeight",
      "innerWidth",
      "length",
      "location",
      "locationbar",
      "menubar",
      "moveBy",
      "moveTo",
      "name",
      "onblur",
      "onerror",
      "onfocus",
      "onload",
      "onresize",
      "onunload",
      "open",
      "opener",
      "opera",
      "outerHeight",
      "outerWidth",
      "pageXOffset",
      "pageYOffset",
      "parent",
      "print",
      "removeEventListener",
      "resizeBy",
      "resizeTo",
      "screen",
      "screenLeft",
      "screenTop",
      "screenX",
      "screenY",
      "scroll",
      "scrollbars",
      "scrollBy",
      "scrollTo",
      "scrollX",
      "scrollY",
      "self",
      "status",
      "statusbar",
      "stop",
      "toolbar",
      "top"
    ],
    "react/prop-types": ["off"]
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  }
}