.eslintrc.json

{
  "root": true,
  "parser": "babel-eslint",
  "plugins": ["react", "no-loops"],
  "extends": ["plugin:import/errors", "plugin:import/warnings"],
  "parserOptions": {
        "sourceType": "module",
        "ecmaFeatures": { "jsx": true, "experimentalObjectRestSpread": true }
  },
   "env": {
     "browser": true,
     "node": true,
     "es6": true
   },
    "rules": {
      "indent": ["warn",2],
      "linebreak-style": ["error","unix"],
      "semi": ["error","always"],
      "no-cond-assign": ["error","except-parens"],
      "no-constant-condition": "error",
      "no-dupe-args": "error",
      "no-dupe-keys": "error",
      "no-duplicate-case": "error",
      "no-empty": [ "error", { "allowEmptyCatch": true } ],
      "no-extra-semi": "error",
      "no-irregular-whitespace": "error",
      "no-sparse-arrays": "error",
      "no-template-curly-in-string": "error",
      "no-unreachable": "error",
      "use-isnan": "error",
      "default-case": "error",
      "eqeqeq": "error",
      "no-alert": "error",
      "no-caller": "error",
      "no-eval": "error",
      "no-labels": "error",
      "no-implied-eval": "error",
      "no-loop-func": "error",
      "no-script-url": "error",
      "require-await": "error",
      "yoda": "error",
      "no-unused-vars": "error",
      "no-path-concat": "error",
      "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
      "camelcase": "error",
      "new-cap": "error",
      "no-lonely-if": "error",
      "no-tabs": "error",
      "no-trailing-spaces": "warn",
      "constructor-super": "error",
      "no-const-assign": "error",
      "no-dupe-class-members": "error",
      "no-duplicate-imports": "error",
      "no-var":"error",
      "prefer-const": "warn",
      "prefer-rest-params": "error",
      "prefer-template": "warn",
      "no-undef": "warn",
      "no-loops/no-loops": "error",
      "react/no-did-mount-set-state": "error",
      "react/no-did-update-set-state": "error",
      "react/prefer-es6-class": "error",
      "react/prop-types": [ "error", { "ignore": [ "router"] } ],
      "react/react-in-jsx-scope": "error",
      "react/require-render-return": "error",
      "react/self-closing-comp": "warn",
      "react/style-prop-object": "error",
      "react/jsx-no-duplicate-props": "error",
      "react/jsx-no-undef": "error",
      "react/jsx-uses-vars": "error",
      "react/jsx-uses-react": "error",
      "react/jsx-no-bind": "warn",
      "import/no-unresolved": "error",
      "import/no-dynamic-require": "error",
      "import/no-extraneous-dependencies": "error",
      "import/first": "error",
      "import/no-duplicates": "error"
    }
}