.eslintrc

{
  "root": true,
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2017,
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true,
      "legacyDecorators": true
    }
  },
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "rules": {
    "block-spacing": "error",
    "brace-style": [
      "error",
      "stroustrup",
      {
        "allowSingleLine": true
      }
    ],
    "comma-dangle": ["error", "always-multiline"],
    "comma-spacing": [
      "error",
      {
        "before": false,
        "after": true
      }
    ],
    "func-call-spacing": [
      "error",
      "never"
    ],
    "indent": [
      "error",
      2
    ],
    "key-spacing": [
      "error",
      {
        "beforeColon": false,
        "afterColon": true,
        "mode": "strict"
      }
    ],
    "keyword-spacing": [
      "error",
      {
        "before": true,
        "after": true
      }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "no-cond-assign": "warn",
    "no-console": "warn",
    "no-duplicate-imports": "error",
    "no-empty": "warn",
    "no-lonely-if": "error",
    "no-mixed-spaces-and-tabs": "error",
    "no-multiple-empty-lines": "error",
    "no-nested-ternary": "off",
    "max-depth": [
      "warn",
      6
    ],
    "new-parens": "error",
    "no-unneeded-ternary": "off",
    "no-unused-vars": [
      "warn",
      {
        "args": "none"
      }
    ],
    "no-useless-escape": "warn",
    "no-whitespace-before-property": "error",
    "nonblock-statement-body-position": [
      "error",
      "beside"
    ],
    "object-curly-spacing": [
      "error",
      "always"
    ],
    "semi": [
      "error",
      "always"
    ],
    "space-before-blocks": [
      "error",
      "always"
    ],
    "space-before-function-paren": [
      "error",
      {
        "anonymous": "never",
        "named": "never",
        "asyncArrow": "always"
      }
    ],
    "spaced-comment": [
      "error",
      "always"
    ],
    "space-unary-ops": "error",
    "quote-props": [
      "error",
      "consistent-as-needed"
    ],
    "quotes": [
      "error",
      "single"
    ]
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  }
}