.eslintrc

{
  // temporary until https://github.com/eslint/espree/issues/116
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "es6": true,
    "mocha": true
  },
  "ecmaFeatures": {
    "modules": true,
    "jsx": true,
    "blockBindings": true
  },
  "sourceType": "module",
  "globals": {
    "__DEV__": true,
    "__SERVER__": true
  },
  "plugins": [
    "react"
  ],
  "rules": {
    // Strict mode
    "strict": [2, "global"],

    // React (eslint-plugin-react)
    "react/jsx-no-undef": 1,
    "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-unknown-property": 1,
    "react/prop-types": 1,
    "react/react-in-jsx-scope": 1,
    "react/self-closing-comp": 1,
    "react/wrap-multilines": 1,

    // Code style,  0=off, 1=warning, 2=error
    "indent": [1, 2],
    "quotes": [1, "single"],
    "curly": [1, "multi-line"],
    "semi": [1, "never"],
    "space-unary-ops": [1, { "words": true, "nonwords": false }],
    "no-underscore-dangle": [0],  // leading underscore is useful inside React components
    "no-var": [1]
  }
}