.eslintrc.json

{
  "env": {
    "browser": true,
    "es6": true,
    "mocha": true
  },
  "extends": "eslint:recommended",
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module"
  },
  "globals": {
    "assert": true,
    "expect": true,
    "fixture": true,
    "flush": true,
    "sandbox": true,
    "sinon": true
  },
  "rules": {
    "brace-style": ["error", "1tbs"],
    "curly": ["error", "all"],
    "eqeqeq": ["error", "always"],
    "func-call-spacing": ["error", "never"],
    "indent": ["error", 2],
    "linebreak-style": ["error", "unix"],
    "no-console": ["error", { "allow": ["assert"] }],
    "no-mixed-spaces-and-tabs": ["error"],
    "no-redeclare": ["error"],
    "no-trailing-spaces": ["error"],
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "space-before-function-paren": ["error", "never"],
    "strict": ["error", "global"],
    "yoda": ["error"]
  }
}