.eslintrc

{
  "extends": "eslint-config-airbnb",
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 7,
    "sourceType": "module",
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true,
      "jsx": true,
      "impliedStrict": true,
      "modules": true
    }
  },
  "env": {
    "browser": true
  },
  "rules": {
    "import/no-unresolved": [2, { "ignore": ["^[~]"] }],
    "arrow-parens": [1, "always"],
    "import/extensions": "off",
    "no-underscore-dangle": ["error", { "allowAfterThis": true }],
    "comma-dangle": [2, "never"],
    "id-length": [2, {
      "min": 2,
      "properties": "never",
      "exceptions": ["$", "_", "e", "i", "j", "a", "b", "n"]
    }],
    "import/first": 0,
    "import/no-extraneous-dependencies": 0,
    "import/no-webpack-loader-syntax": 0,
    "indent": [2, "tab", {
      "SwitchCase": 1
    }],
    "func-names": 0,
    "max-len": [1, 140, 4, {
      "ignoreUrls": true,
      "ignoreComments": true,
      "ignorePattern": "^(\\s*)<([^\"{}();])+$"
    }],
    "no-bitwise": 0,
    "no-case-declarations": 1,
    "no-console": 1,
    "no-multi-spaces": [1, {
      // Object keys are Abstract Syntax Tree types
      "exceptions": {
        "VariableDeclarator": true,
        "Property": true,
        "ImportDeclaration": true,
        "AssignmentExpression": true,
        "JSXAttribute": true
      }
    }],
    "no-param-reassign": [1, {
      "props": false
    }],
    "no-plusplus": 0,
    "no-tabs": 0,
    "no-trailing-spaces": [2, {
      "skipBlankLines": true
    }],
    "no-undef": 1,
    "prefer-template": 1,
    "space-before-function-paren": [2, "always"],
    "vars-on-top": 1,

    //
    // eslint-plugin-react
    // https://github.com/yannickcr/eslint-plugin-react
    //
    // Prevent missing displayName in a React component definition
    "react/display-name": [1, {
      "ignoreTranspilerName": true
    }],
    // Used to prevent usage of any, array, and object but may be too strict currently
    "react/forbid-prop-types": 0,
    "react/jsx-indent": [2, "tab"],
    // indent props passed to React component
    "react/jsx-indent-props": [1, "tab"],
    // Enforce event handler naming conventions in JSX
    // https://github.com/yannickcr/eslint-plugin-react/blob/master/docs/rules/jsx-handler-names.md
    "react/jsx-handler-names": [0, {
      "eventHandlerPrefix": "_handle",
      "eventHandlerPropPrefix": "on"
    }],
    // Disallow undeclared variables in JSX
    "react/jsx-no-undef": 2,
    // Prevent multiple component definition per file
    "react/no-multi-comp": 0,
    // Prevent usage of unknown DOM property
    "react/no-unknown-property": 2,
    // Can"t be used because it doesn"t currently recognize props used in functions
    "react/no-unused-prop-types": 0,
    // ES6 classes vs React"s createClass method - disabled while we consider migrating to classes
    "react/prefer-es6-class": 0,
    // Don"t enforce stateless React Components to be written as a pure function (for now)
    "react/prefer-stateless-function": 0,
    // Prevent missing props validation in a React component definition
    "react/prop-types": 1,
    // Don"t throw errors when explicit defaults aren"t set
    "react/require-default-props": 0,
    // Prevent sorting of props or propTypes
    "react/sort-comp": 0,

    // New rules temporarily disabled
    "jsx-a11y/aria-activedescendant-has-tabindex": 0,
    "jsx-a11y/interactive-supports-focus": 0,
    "jsx-a11y/no-autofocus": 0,
    "jsx-a11y/no-interactive-element-to-noninteractive-role": 0,
    "jsx-a11y/no-noninteractive-element-interactions": 0,
    "jsx-a11y/no-noninteractive-tabindex": 0,
    "jsx-a11y/no-redundant-roles": 0,
    "jsx-a11y/role-has-required-aria-props": 0
  }
}