.eslintrc

{
  "parser": "babel-eslint",
  "plugins": ["react"],
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2017,
    "ecmaFeatures": {
      "jsx": true,
      "modules": true,
      "experimentalObjectRestSpread": true
    }
  },

  "env": {
    "es6": true,
    "browser": true,
    "node": true,
    "mocha": true
  },
  "extends": ["eslint:recommended", "plugin:react/recommended"],
  "rules": {
    "array-bracket-spacing": ["error", "never"],
    "arrow-parens": ["error", "as-needed"],
    "arrow-spacing": ["error", { "before": true, "after": true }],
    "block-spacing": ["warn"],
    "brace-style": ["error", "1tbs", { "allowSingleLine": true }],
    "comma-dangle": ["error", "never"],
    "comma-spacing": ["warn"],
    "computed-property-spacing": ["error", "never"],
    "eqeqeq": ["error", "smart"],
    "func-call-spacing": ["error", "never"],
    "key-spacing": ["error"],
    "keyword-spacing": ["error", { "before": true, "after": true }],
    "no-console": [
      "error",
      { "allow": ["count", "error", "info", "log", "warn", "table"] }
    ],
    "no-debugger": ["warn"],
    "no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
    "no-multi-spaces": ["error", { "ignoreEOLComments": false }],
    "no-multiple-empty-lines": ["error", { "max": 1 }],
    "no-unused-vars": [
      "warn",
      { "vars": "local", "args": "none", "ignoreRestSiblings": true }
    ],
    "no-var": ["error"],
    "object-curly-spacing": ["error", "always"],
    "prefer-arrow-callback": ["error"],
    "prefer-const": ["error", { "destructuring": "all" }],
    "prefer-destructuring": ["error"],
    "quote-props": ["error", "as-needed"],
    "quotes": ["error", "single", { "avoidEscape": true }],
    "semi": ["warn", "always"],
    "space-before-blocks": ["error"],
    "space-before-function-paren": 0,
    "space-in-parens": ["error", "never"],
    "space-infix-ops": ["error"],
    "import/no-duplicates": 0,

    "jsx-quotes": ["error", "prefer-double"],

    "react/jsx-curly-spacing": [
      2,
      "never",
      { "spacing": { "objectLiterals": "never" } }
    ],
    "react/jsx-equals-spacing": [2, "never"],
    "react/jsx-key": ["error"],
    "react/jsx-sort-props": ["error", { "ignoreCase": true }],
    "react/jsx-tag-spacing": ["error", { "beforeSelfClosing": "always" }],
    "react/jsx-wrap-multilines": ["error"],
    "react/prop-types": 0
  }
}