.eslintrc

{
  "parser": "babel-eslint",
  "env": {
    "es6": true,
    "node": true
  },
  "globals": {
    "window": true,
    "document": true,
    "describe": true,
    "context": true,
    "beforeEach": true,
    "afterEach": true,
    "it": true
  },
  "rules": {
    "no-reserved-keys": 2,

    "no-console": 1,
    "no-constant-condition": 1,
    "no-debugger": 1,
    "no-extra-parens": 1,

    "no-extra-boolean-cast": 0,

    "block-scoped-var": 2,
    "curly": [2, "all"],
    "default-case": 2,
    "no-div-regex": 2,
    "no-else-return": 2,
    "no-eq-null": 2,
    "no-floating-decimal": 2,
    "no-multi-spaces": [2, {"exceptions": {"Property": true, "ImportDeclaration": true, "VariableDeclarator": true, "AssignmentExpression": true}}],
    "no-self-compare": 2,
    "wrap-iife": [2, "inside"],

    "complexity": [1, 4],
    "dot-notation": 1,
    "guard-for-in": 1,
    "no-extend-native": 1,
    "no-iterator": 1,
    "no-loop-func": 1,
    "no-multi-str": 1,
    "no-process-env": 1,
    "no-proto": 1,
    "no-throw-literal": 1,
    "no-unused-expressions": 1,
    "radix": 1,

    "no-alert": 0,
    "no-extra-bind": 0,
    "yoda": 0,

    "strict": 2,

    "no-catch-shadow": 2,

    "no-undefined": 1,
    "no-unused-vars": [1, {"vars": "all", "args": "after-used"}],
    "no-undef-init": 1,

    "no-path-concat": 1,
    "no-sync": 1,

    "indent": [2, 2],
    "comma-style": [2, "last"],
    "consistent-this": [2, "_this"],
    "func-style": [2, "declaration"],
    "no-nested-ternary": 2,
    "padded-blocks": [2, "never"],
    "quotes": [2, "single"],
    "space-before-blocks": [2, "always"],
    "space-before-function-paren": [2, "never"],
    "space-in-brackets": [2, "never"],
    "space-in-parens": [2, "never"],
    "space-return-throw-case": 2,
    "space-unary-ops": [2, {"words": true, "nonwords": false}],

    "brace-style": [1, "1tbs", {"allowSingleLine": true}],
    "comma-spacing": [1, {"before": false, "after": true}],
    "func-names": 1,
    "key-spacing": [1, {"align": "value", "beforeColon": false, "afterColon": true}],
    "max-nested-callbacks": [1, 3],
    "new-cap": [1, {"newIsCap": true, "capIsNew": true}],
    "no-lonely-if": 1,
    "no-multiple-empty-lines": [1, {"max": 2}],
    "no-trailing-spaces": 1,
    "operator-linebreak": [1, "before"],
    "semi": [1, "always"],
    "semi-spacing": [1, {"before": false, "after": true}],
    "space-after-keywords": [1, "always"],

    "space-unary-ops": 0,
    "no-underscore-dangle": 0,

    "no-var": 1,

    "max-len": [1, 100, 2],
    "max-params": [1, 4],
    "max-statements": [1, 12]
  },
  "ecmaFeatures": {
    "modules": true
  }
}