{
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true,
    },
  },
  "plugins": [
    "react",
    "jsx-a11y",
  ],
  "settings": {
    "react": {
      "version": "14.0",
    },
  },
  "rules": {
    "class-methods-use-this": [
      "error",
      {
        "exceptMethods": [
          "componentDidMount",
          "componentDidUpdate",
          "componentWillMount",
          "componentWillReceiveProps",
          "componentWillUnmount",
          "componentWillUpdate",
          "render",
          "shouldComponentUpdate",
        ],
      },
    ],
    "react/display-name": "error",
    "react/no-children-prop": "error",
    "react/no-danger-with-children": "error",
    "react/no-deprecated": "error",
    "react/no-did-mount-set-state": "error",
    "react/no-did-update-set-state": "error",
    "react/no-direct-mutation-state": "error",
    "react/no-is-mounted": "error",
    "no-inner-declarations": "error",

    // Allow to have more than one component per file, left at the discretion of
    // the developer.
    "react/no-multi-comp": "off",
    "react/no-render-return-value": "error",
    "react/no-string-refs": "error",
    "react/no-unknown-property": "error",
    "react/no-unescaped-entities": "error",
    "react/no-unused-prop-types": "error",
    "react/prefer-es6-class": "error",
    "react/prefer-stateless-function": "error",
    "react/prop-types": "error",
    "react/react-in-jsx-scope": "error",
    "react/require-default-props": "error",
    "react/require-optimization": "warn",
    "react/require-render-return": "error",
    "react/self-closing-comp": "error",
    "react/sort-comp": [
      "error",
      {
        "order": [
          "type-annotations",
          "static-methods",
          "definition",
          "lifecycle",
          "/^handle.+$/",
          "/^on.+$/",
          "everything-else",
          "rendering",
        ],
        "groups": {
          "definition": [
            "displayName",
            "propTypes",
            "contextTypes",
            "childContextTypes",
            "mixins",
            "statics",
            "defaultProps",
            "state",
            "constructor",
          ],
          "lifecycle": [
            "getDefaultProps",
            "getInitialState",
            "getChildContext",
            "componentWillMount",
            "componentDidMount",
            "componentWillReceiveProps",
            "shouldComponentUpdate",
            "componentWillUpdate",
            "componentDidUpdate",
            "componentWillUnmount",
          ],
          "rendering": [
            "/^render.+$/",
            "render",
          ],
        },
      },
    ],
    "react/sort-prop-types": [
      "error",
      {
        "callbacksLast": true,
        "ignoreCase": true,
      },
    ],
    "react/style-prop-object": "error",

    /*
     * JSX-centric rules.
     */

    "react/jsx-boolean-value": "error",
    "react/jsx-closing-bracket-location": "error",
    "react/jsx-curly-spacing": "error",
    "react/jsx-equals-spacing": "error",
    "react/jsx-filename-extension": [
      "error",
      {"extensions": [".jsx"]},
    ],
    "react/jsx-first-prop-new-line": "error",
    "react/jsx-handler-names": [
      "error",
      {
        "eventHandlerPrefix": "handle",
        "eventHandlerPropPrefix": "on",
      },
    ],
    "react/jsx-indent": [
      "error",
      2,
    ],
    "react/jsx-indent-props": [
      "error",
      2,
    ],
    "react/jsx-key": "error",
    "react/jsx-no-bind": [
      "error",
      {"ignoreRefs": true},
    ],
    "react/jsx-no-comment-textnodes": "error",
    "react/jsx-no-duplicate-props": "error",
    "react/jsx-no-target-blank": "error",
    "react/jsx-no-undef": "error",
    "react/jsx-pascal-case": "error",
    "react/jsx-sort-props": [
      "error",
      {
        "callbacksLast": true,
        "shorthandLast": true,
        "ignoreCase": false,
      },
    ],
    "react/jsx-space-before-closing": "error",
    "react/jsx-tag-spacing": "error",
    "react/jsx-uses-react": "error",
    "react/jsx-uses-vars": "error",
    "react/jsx-wrap-multilines": "error",

    // Allow nested ternary operators for JSX components.
    "no-nested-ternary": "off",

    /*
     * Accessibility rules.
     */

    "jsx-a11y/anchor-has-content": "error",
    "jsx-a11y/aria-props": "error",
    "jsx-a11y/aria-proptypes": "error",
    "jsx-a11y/aria-role": "error",
    "jsx-a11y/aria-unsupported-elements": "error",
    "jsx-a11y/click-events-have-key-events": "error",
    "jsx-a11y/heading-has-content": "error",
    "jsx-a11y/href-no-hash": "error",
    "jsx-a11y/html-has-lang": "error",
    "jsx-a11y/img-has-alt": "error",
    "jsx-a11y/label-has-for": "error",
    "jsx-a11y/lang": "error",
    "jsx-a11y/mouse-events-have-key-events": "error",
    "jsx-a11y/no-access-key": "error",
    "jsx-a11y/no-marquee": "error",
    "jsx-a11y/no-onchange": "error",
    "jsx-a11y/no-static-element-interactions": "error",
    "jsx-a11y/onclick-has-focus": "error",
    "jsx-a11y/onclick-has-role": "error",
    "jsx-a11y/role-has-required-aria-props": "error",
    "jsx-a11y/role-supports-aria-props": "error",
    "jsx-a11y/scope": "error",
    "jsx-a11y/tabindex-no-positive": "error",
  },
}