.eslintrc.json

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true,
    "jasmine": true,
    "node": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended"
  ],
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true,
      "arrowFunctions": true,
      "blockBindings": true,
      "defaultParams": true,
      "destructuring": true,
      "forOf": true,
      "generators": true,
      "objectLiteralComputedProperties": true,
      "objectLiteralShorthandMethods": true,
      "objectLiteralShorthandProperties": true,
      "restParams": true,
      "spread": true,
      "templateStrings": true,
      "modules": true,
      "classes": true
    },
    "ecmaVersion": 2018,
    "sourceType": "module"
  },
  "plugins": [
    "react"
  ],
  "rules": {
    "brace-style": 2,
    "camelcase": 0,
    "comma-dangle": [2, "never"],
    "comma-spacing": [2, {
      "before": false,
      "after": true
    }],
    "comma-style": [2, "last"],
    "complexity": [1, 8],
    "consistent-this": [2, "_this"],
    "curly": 2,
    "default-case": 2,
    "dot-notation": 2,
    "eol-last": 2,
    "eqeqeq": 2,
    "guard-for-in": 1,
    "indent": ["error", 2, {
      "SwitchCase": 1
    }],
    "key-spacing": [2, {
      "beforeColon": false,
      "afterColon": true
    }],
    "keyword-spacing": [ "error", { "after": true } ],
    "linebreak-style": [ "error", "unix" ],
    "new-cap": 2,
    "new-parens": 2,
    "no-caller": 2,
    "no-console": 0,
    "no-debugger": 1,
    "no-dupe-args": 2,
    "no-dupe-keys": 2,
    "no-duplicate-case": 2,
    "no-eq-null": 0,
    "no-eval": 2,
    "no-func-assign": 2,
    "no-implied-eval": 2,
    "no-invalid-regexp": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-redeclare": 2,
    "no-self-compare": 1,
    "no-shadow-restricted-names": 2,
    "no-trailing-spaces": 2,
    "no-undef": 2,
    "no-undef-init": 2,
    "no-underscore-dangle": 0,
    "no-unreachable": 2,
    "no-unused-vars": 1,
    "no-use-before-define": 2,
    "no-with": 2,
    "one-var": [2, "never"],
    "operator-assignment": [2, "always"],
    "quote-props": [2, "consistent-as-needed"],
    "quotes": [
      "error",
      "single"
    ],
    "radix": ["error", "as-needed"],
    "react/jsx-uses-react": "error",
    "react/jsx-uses-vars": "error",
    "react/prefer-stateless-function": [2, { "ignorePureComponents": true }],
    "react/prop-types": "off",
    "semi": [ "error", "always" ],
    "semi-spacing": [2, {
      "before": false,
      "after": true
    }],
    "sort-vars": [1, {
      "ignoreCase": true
    }],
    "space-before-function-paren": [2, {
      "anonymous": "always",
      "named": "never"
    }],
    "space-in-parens": [2, "never"],
    "space-infix-ops": 2,
    "space-unary-ops": [2, {
      "words": true,
      "nonwords": false
    }],
    "strict": [2, "global"],
    "use-isnan": 2,
    "valid-jsdoc": 1,
    "yoda": [2, "never", {
      "exceptRange": false
    }]
  },
  "settings": {
      "react": {
          "pragma": "React",
          "version": "16.4.1"
      }
  }
}