.eslintrc.json

{
  "env": {
    "node": true,
    "es6": true,
    "browser": true,
    "mocha":true
  },
  "rules": {
    "semi": 2,
    "indent": ["error", 2, {
      "SwitchCase": 1
    }],
    "no-empty": 2,
    "no-dupe-args": 2,
    "no-extra-semi": 2,
    "no-lone-blocks": 2,
    "no-empty-function": 0,
    "no-multi-spaces": 2,
    "no-return-assign": 2,
    "no-self-assign": 2,
    "no-self-compare": 2,
    "no-unmodified-loop-condition": 2,
    "curly": 2,
    "max-len": ["error", {
      "code": 80,
      "ignoreStrings":true
    }],
    "max-depth": 2,
    "max-lines": ["error", {
      "skipBlankLines": true,
      "max":500
    }],
    "no-implicit-globals": 2,
    "camelcase": 2,
    "brace-style": 2,
    "id-length": ["error", {
      "min": 2,
      "max": 25
    }],
    "func-call-spacing": 2,
    "no-lonely-if": 2,
    "new-cap": ["error", {
      "newIsCap": true,
      "capIsNew": true
    }],
    "no-multiple-empty-lines": 2,
    "no-mixed-spaces-and-tabs": 2,
    "no-var": 2,
    "no-global-assign": 2,
    "no-else-return": 2,
    "object-curly-spacing": 2,
    "no-inner-declarations": ["error", "both"],
    "no-unexpected-multiline": 2,
    "for-direction": 2
  }
}