.eslintrc

{
  "rules": {
    "arrow-spacing": 2,
    "brace-style": [2, "1tbs", { "allowSingleLine": true }],
    // We'd possibly like to remove the 'properties': 'never' one day.
    "camelcase": [2, { "properties": "never" }],
    "comma-dangle": [2, "always-multiline"],
    "comma-spacing": [2, { "before": false, "after": true }],
    "constructor-super": 2,
    "curly": 2,
    "eol-last": 2,
    "eqeqeq": 2,
    "guard-for-in": 2,
    "indent": [2, 4, {"SwitchCase": 1}],
    "linebreak-style": [2, "unix"],
    "max-len": [2, 80, 4, { "ignoreUrls": true, "ignorePattern": "\\brequire\\([\"']|eslint-disable" }],
    "no-alert": 2,
    "no-array-constructor": 2,
    "no-console": 2,
    "no-const-assign": 2,
    "no-debugger": 2,
    "no-dupe-class-members": 2,
    "no-dupe-keys": 2,
    "no-extra-bind": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-object": 2,
    "no-spaced-func": 2,
    "no-this-before-super": 2,
    "no-throw-literal": 2,
    "no-trailing-spaces": 2,
    "no-undef": 2,
    "no-unexpected-multiline": 2,
    "no-unreachable": 2,
    "no-unused-vars": [2, {"args": "none", "varsIgnorePattern": "^_*$"}],
    "no-useless-call": 2,
    "no-with": 2,
    "one-var": [2, "never"],
    "prefer-const": 2,
    "prefer-spread": 2,
    "prefer-template": 2,
    "semi": [2, "always"],
    "keyword-spacing": 2,
    "space-infix-ops": 2,
    "space-unary-ops": 2,
    // ---------------------------------------
    // Stuff that's disabled for now, but maybe shouldn't be.
    //
    // TODO(csilvers): enable this once the eslint-plugin-react bug
    //                 if fixed, that causes this to die:
    //   if (isForbidden(declaration.value.property.name)) {
    //   TypeError: Cannot read property 'name' of undefined

    // TODO(csilvers): enable this once we've done the auto var->let fixit.
    "no-var": 0,
    // TODO(csilvers): enable these if/when community agrees on it.
    "prefer-arrow-callback": 0,
    "object-curly-spacing": [0, "always"],
    // Might be nice to turn this on one day, but since we don't
    // use jsdoc anywhere it seems silly to require it yet.
    "valid-jsdoc": 0,
    "require-jsdoc": 0,
    // We've decided explicitly not to care about this.
    "arrow-parens": 0
  },
  "ecmaFeatures": {
    "arrowFunctions": true,
    "blockBindings": true,
    "classes": true,
    "destructuring": true,
    "experimentalObjectRestSpread": true,
    "forOf": true,
    "jsx": true,
    "restParams": true,
    "spread": true,
    "templateStrings": true
  },
  "env": {
    "es6": true,
    "node": true,
    "browser": true
  },
  "extends": "eslint:recommended"
}