.eslintrc

{
  "parser": "babel-eslint",
  "extends": ["airbnb", "prettier"],
  "plugins": ["react", "jsx-a11y", "import"],
  "env": {
    "browser": true,
    "node": true,
    "jest": true
  },
  "rules": {
    "arrow-body-style": "off",
    "curly": ["error", "all"],
    "class-methods-use-this": "warn",
    "consistent-return": "off",
    "brace-style": "error",
    "default-case": ["error", { "commentPattern": "^default\\sis\\sredundant" }],
    "function-paren-newline": ["error", "consistent"],
    "implicit-arrow-linebreak": ["error", "beside"],
    "key-spacing": "error",
    "keyword-spacing": ["error", { "before": true, "after": true }],
    "no-constant-condition": "error",
    "no-continue": "off",
    "no-else-return": ["error", { "allowElseIf": true }],
    "no-plusplus": "off",
    "no-restricted-syntax": [
      "error",
      { "selector": "MethodDefinition[kind='set']", "message": "Property setters are not allowed" },
      { "selector": "MethodDefinition[kind='get']", "message": "Property getters are not allowed" },
      {
        "selector": "LabeledStatement",
        "message": "Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand."
      },
      {
        "selector": "WithStatement",
        "message": "`with` is disallowed in strict mode because it makes code impossible to predict and optimize."
      }
    ],
    "no-shadow": "warn",
    "no-trailing-spaces": "error",
    "no-underscore-dangle": ["error", { "allowAfterThis": true, "allowAfterSuper": true }],
    "no-useless-escape": "off",
    "one-var": ["error", "never"],
    "padded-blocks": ["error", "never"],
    "padding-line-between-statements": ["error", { "blankLine": "always", "prev": "*", "next": "return" }],
    "prefer-destructuring": "off",
    "rest-spread-spacing": ["error", "never"],

    "import/prefer-default-export": "off",

    "react/no-array-index-key": "off",
    "react/prefer-stateless-function": "off",
    "react/prefer-es6-class": ["error", "always"],
    "react/require-default-props": "off",
    "react/sort-comp": [
      "error",
      {
        "order": ["static-methods", "lifecycle", "everything-else", "private", "listeners", "rendering"],
        "groups": {
          "lifecycle": [
            "displayName",
            "propTypes",
            "defaultProps",
            "contextTypes",
            "childContextTypes",
            "mixins",
            "statics",
            "state",
            "getDefaultProps",
            "getDerivedStateFromProps",
            "getInitialState",
            "constructor",
            "getChildContext",
            "componentWillMount",
            "UNSAFE_componentWillMount",
            "componentDidMount",
            "componentWillReceiveProps",
            "UNSAFE_componentWillReceiveProps",
            "shouldComponentUpdate",
            "componentWillUpdate",
            "UNSAFE_componentWillUpdate",
            "getSnapshotBeforeUpdate",
            "componentDidUpdate",
            "componentDidCatch",
            "componentWillUnmount"
          ],
          "rendering": ["/^render.+$/", "render"],
          "listeners": ["/^_on[A-Z]\\w*$/", "/^_onRef[A-Z]\\w*$/"],
          "private": ["/^_\\w+"]
        }
      }
    ],
    "react/jsx-handler-names": [
      "error",
      {
        "eventHandlerPrefix": "_on",
        "eventHandlerPropPrefix": "(on|ref|inner)"
      }
    ],
    "react/jsx-key": "error",
    "jsx-a11y/label-has-associated-control": "off",
    "jsx-a11y/label-has-for": "off",
    "react/destructuring-assignment": "off",
    "react/jsx-filename-extension": "off",
    "import/no-extraneous-dependencies": "off",
    "import/no-useless-path-segments": "off",
    "react/forbid-foreign-prop-types": "off"
  }
}