.eslintrc.json

{
  "globals": {
    "Mustache": true,
    "$": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaVersion": 6
  },
  "env": {
    "browser": true,
    "es6": true,
    "jest": true,
    "jquery": true,
    "node": true
  },
  "rules": {
    "eol-last": "error",
    "eqeqeq": [
      "error",
      "always"
    ],
    "indent": [
      "error",
      2
    ],
    "new-cap": "warn",
    "no-console": "off",
    "no-multi-spaces": [
      "warn",
      {
        "exceptions": {
          "VariableDeclarator": true
        }
      }
    ],
    "no-redeclare": [
      "error",
      {
        "builtinGlobals": true
      }
    ],
    "no-template-curly-in-string": "error",
    "no-trailing-spaces": "warn",
    "no-undefined": "off",
    "quotes": [
      "warn",
      "single",
      {
        "allowTemplateLiterals": true
      }
    ],
    "semi": "error"
  }
}