.eslintrc

{
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "es6": true,
    "node": true
  },
  "plugins": [
    "react"
  ],
  "ecmaFeatures": {
    "arrowFunctions": true,
    "blockBindings": true,
    "classes": true,
    "defaultParams": true,
    "destructuring": true,
    "forOf": true,
    "generators": true,
    "modules": true,
    "objectLiteralComputedProperties": true,
    "objectLiteralShorthandMethods": true,
    "objectLiteralShorthandProperties": true,
    "regexUFlag": true,
    "restParams": true,
    "spread": true,
    "templateStrings": true,
    "jsx": true
  },
  "rules": {
    "comma-dangle": [2, "never"],
    // Allow for double quotes only to avoid escaping single quotes
    "quotes": [2, "single", "avoid-escape"],
    "new-cap": [2],
    "no-multi-spaces": [2],
    "no-shadow": [1],
    "no-shadow-restricted-names": [1],
    "no-unused-vars": [1],
    "no-use-before-define": [2, "nofunc"],
    // Allow for `__dirname` / dangling underscores
    "no-underscore-dangle": [0],
    // don't allow `if ( foo === bar )`
    "space-in-parens": [2],
    "new-cap": [2, { "capIsNewExceptions": ["StoreWatchComponent"] }],
    // Don't bother checking for object key spacing
    "key-spacing": [0],
    // Allow for `return;` and `return true;` in the same fn
    "consistent-return": [0],
    // Allow for placeholder arguments, e.g. `.then(data => ...`
    // Helps clarify that there *is* data available even if we
    // don't use it at the moment
    "no-unused-vars": [2, {"vars": "all", "args": "none"}],
    // require yield in generators
    "require-yield": [2],
    // enforce `() => {}` vs. `()=>{}`
    "arrow-spacing": [2],
    // Don't allow reassigning of const (babel handles this already, but this
    // catches it with eslint as well)
    "no-const-assign": [2],

    "react/display-name": [0],
    "react/jsx-boolean-value": [1, "always"],
    "react/jsx-no-undef": [1],
    "react/jsx-quotes": [1, "double"],
    "react/jsx-sort-prop-types": [0],
    "react/jsx-sort-props": [0],
    "react/jsx-uses-react": [1],
    "react/jsx-uses-vars": [1],
    "react/no-did-mount-set-state": [1],
    "react/no-did-update-set-state": [1],
    "react/no-multi-comp": [1],
    "react/no-unknown-property": [1],
    "react/prop-types": [1],
    "react/react-in-jsx-scope": [1],
    "react/require-extension": [1],
    "react/self-closing-comp": [1],
    "react/sort-comp": [1],
    "react/wrap-multilines": [0],
    "react/jsx-no-duplicate-props": [1]
  }
}