.eslintrc

{
  "root": true,
  "env": {
    "es6": true,
    "browser": true
  },
  "plugins": ["react"],
  "extends": ["eslint:recommended", "plugin:react/recommended"],
  "settings": {
    "react": {
      "version": "detect"
    }
  },
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "rules": {
    "max-len": [2, {"code": 120}],
    "no-trailing-spaces": 2,
    "no-multi-spaces": 2,
    "quotes": [2, "double", {"avoidEscape": true}],
    "semi": [2, "always"],
    "camelcase": [2, {"properties": "always"}],
    "prefer-const": 2,
    "key-spacing": 2,
    "jsx-quotes":  [2, "prefer-double"],
    "arrow-parens": [2],
    "arrow-spacing": 2,
    "object-shorthand": 2,
    "object-curly-spacing": 2,
    "template-curly-spacing": 2,
    "space-in-parens": 2,
    "prefer-template": 2,
    "react/jsx-filename-extension": 0,
    "react/prop-types": 0,
    "react/jsx-curly-spacing": 2,
    "react/jsx-tag-spacing": [2, {
      "closingSlash": "never",
      "beforeSelfClosing": "never",
      "afterOpening": "never",
      "beforeClosing": "never"
    }],
    "react/jsx-props-no-multi-spaces": 2,
    "react/jsx-curly-brace-presence": 2,
    "react/jsx-indent-props": [2, "first"],
    "react/jsx-boolean-value": 2
  }
}