eslint

{
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "plugins": ["jest", "react"],
  "extends": ["fbjs", "eslint:recommended", "plugin:react/recommended"],
  "env": {
    "es6": true,
    "node": true
  },
  "rules": {
    "no-undef": 0,
    "no-unused-vars": 0,
    "no-console": "error",
    "no-tabs": "error",
    "no-mixed-operators": "error",
    "no-case-declarations": "warn",
    "curly": "off",
    "brace-style": [
      "error",
      "stroustrup",
      {
        "allowSingleLine": true
      }
    ],
    "quotes": [1, "single"],
    "indent": [
      "error",
      4,
      {
        "SwitchCase": 1
      }
    ],
    "comma-dangle": [
      "error",
      {
        "arrays": "only-multiline",
        "objects": "only-multiline",
        "imports": "only-multiline",
        "exports": "only-multiline",
        "functions": "never"
      }
    ],
    "multi": "all",
    "react/no-deprecated": "off",
    "react/no-find-dom-node": "off",
    "react/no-string-refs": "off",
    "react/prop-types": [
      "warn",
      {
        "skipUndeclared": true
      }
    ],
    "jsx-a11y/no-static-element-interactions": "off",
    "jsx-a11y/interactive-supports-focus": "off",
    "react/display-name": ["error", { "ignoreTranspilerName": true }],
    "jest/no-disabled-tests": "warn",
    "jest/no-focused-tests": "error",
    "jest/no-identical-title": "error",
    "jest/prefer-to-have-length": "warn",
    "jest/valid-expect": "error"
  }
}